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Chen B, Zheng W, Chun F, Xu X, Zhao Q, Wang F. Synthesis and hybridization of CuInS 2 nanocrystals for emerging applications. Chem Soc Rev 2023; 52:8374-8409. [PMID: 37947021 DOI: 10.1039/d3cs00611e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Copper indium sulfide (CuInS2) is a ternary A(I)B(III)X(VI)2-type semiconductor featuring a direct bandgap with a high absorption coefficient. In attempts to explore their practical applications, nanoscale CuInS2 has been synthesized with crystal sizes down to the quantum confinement regime. The merits of CuInS2 nanocrystals (NCs) include wide emission tunability, a large Stokes shift, long decay time, and eco-friendliness, making them promising candidates in photoelectronics and photovoltaics. Over the past two decades, advances in wet-chemistry synthesis have achieved rational control over cation-anion reactivity during the preparation of colloidal CuInS2 NCs and post-synthesis cation exchange. The precise nano-synthesis coupled with a series of hybridization strategies has given birth to a library of CuInS2 NCs with highly customizable photophysical properties. This review article focuses on the recent development of CuInS2 NCs enabled by advanced synthetic and hybridization techniques. We show that the state-of-the-art CuInS2 NCs play significant roles in optoelectronic and biomedical applications.
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Affiliation(s)
- Bing Chen
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, Jiangsu 210023, China.
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong SAR, China.
| | - Weilin Zheng
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong SAR, China.
- City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
| | - Fengjun Chun
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong SAR, China.
- City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
| | - Xiuwen Xu
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, Jiangsu 210023, China.
| | - Qiang Zhao
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, Jiangsu 210023, China.
- State Key Laboratory of Organic Electronics and Information Displays, Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, Jiangsu 210023, China
| | - Feng Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong SAR, China.
- City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
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Sobhanan J, Rival JV, Anas A, Sidharth Shibu E, Takano Y, Biju V. Luminescent Quantum Dots: Synthesis, Optical Properties, Bioimaging and Toxicity. Adv Drug Deliv Rev 2023; 197:114830. [PMID: 37086917 DOI: 10.1016/j.addr.2023.114830] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/26/2023] [Accepted: 04/14/2023] [Indexed: 04/24/2023]
Abstract
Luminescent nanomaterials such as semiconductor nanocrystals (NCs) and quantum dots (QDs) attract much attention to optical detectors, LEDs, photovoltaics, displays, biosensing, and bioimaging. These materials include metal chalcogenide QDs and metal halide perovskite NCs. Since the introduction of cadmium chalcogenide QDs to biolabeling and bioimaging, various metal nanoparticles (NPs), atomically precise metal nanoclusters, carbon QDs, graphene QDs, silicon QDs, and other chalcogenide QDs have been infiltrating the nano-bio interface as imaging and therapeutic agents. Nanobioconjugates prepared from luminescent QDs form a new class of imaging probes for cellular and in vivo imaging with single-molecule, super-resolution, and 3D resolutions. Surface modified and bioconjugated core-only and core-shell QDs of metal chalcogenides (MX; M = Cd/Pb/Hg/Ag, and X = S/Se/Te,), binary metal chalcogenides (MInX2; M = Cu/Ag, and X = S/Se/Te), indium compounds (InAs and InP), metal NPs (Ag, Au, and Pt), pure or mixed precision nanoclusters (Ag, Au, Pt), carbon nanomaterials (graphene QDs, graphene nanosheets, carbon NPs, and nanodiamond), silica NPs, silicon QDs, etc. have become prevalent in biosensing, bioimaging, and phototherapy. While heavy metal-based QDs are limited to in vitro bioanalysis or clinical testing due to their potential metal ion-induced toxicity, carbon (nanodiamond and graphene) and silicon QDs, gold and silica nanoparticles, and metal nanoclusters continue their in vivo voyage towards clinical imaging and therapeutic applications. This review summarizes the synthesis, chemical modifications, optical properties, and bioimaging applications of semiconductor QDs with particular references to metal chalcogenide QDs and bimetallic chalcogenide QDs. Also, this review highlights the toxicity and pharmacokinetics of QD bioconjugates.
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Affiliation(s)
- Jeladhara Sobhanan
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Center for Adapting Flaws into Features, Department of Chemistry, Rice University, 6100 Main St., Houston, TX 77005, USA
| | - Jose V Rival
- Smart Materials Lab, Department of Nanoscience and Technology, University of Calicut, Kerala, India
| | - Abdulaziz Anas
- CSIR-National Institute of Oceanography, Regional Centre Kochi, Kerala 682 018, India.
| | | | - Yuta Takano
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan
| | - Vasudevanpillai Biju
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan.
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Wang L, Zhang B, Yang G, Li W, Wang J, Zhang X, Liang G. Spectral analysis on the acceptor concentration-dependent fluorescence resonance energy transfer process in CuInS 2@ZnS-SQ complexes. OPTICS EXPRESS 2022; 30:23695-23703. [PMID: 36225044 DOI: 10.1364/oe.460333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/03/2022] [Indexed: 06/16/2023]
Abstract
Owing to the broad spectral response and flexible choices of donors and acceptors, fluorescence resonance energy transfer (FRET) system based on quantum dots (QDs) is a potential candidate for enhancing performance of solar cells and other optoelectronic devices. Thus it is necessary to develop such FRET systems with high efficiency and understand the involved photophysical dynamics. Here, with type I CuInS2@ZnS core-shell quantum dots as the energy donor, series of CuInS2@ZnS-SQ complexes are synthesized by adjusting the acceptor (squaric acid, SQ) concentration. The FRET dynamics of the samples is systematically investigated by virtue of steady-state emission, time-resolved fluorescence decay, and transient absorption measurements. The experimental results display a positive correlation between the energy transfer efficient (η). The best energy transfer efficient achieved from experimental data is 52%. This work provides better understanding of the photophysical dynamics in similar complexes and facilitates further development of new photoelectronic devices based on relevant FRET systems.
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Morselli G, Villa M, Fermi A, Critchley K, Ceroni P. Luminescent copper indium sulfide (CIS) quantum dots for bioimaging applications. NANOSCALE HORIZONS 2021; 6:676-695. [PMID: 34264247 DOI: 10.1039/d1nh00260k] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Copper indium sulfide (CIS) quantum dots are ideal for bioimaging applications, by being characterized by high molar absorption coefficients throughout the entire visible spectrum, high photoluminescence quantum yield, high tolerance to the presence of lattice defects, emission tunability from the red to the near-infrared spectral region by changing their dimensions and composition, and long lifetimes (hundreds of nanoseconds) enabling time-gated detection to increase signal-to-noise ratio. The present review collects: (i) the most common procedures used to synthesize stable CIS QDs and the possible strategies to enhance their colloidal stability in aqueous environment, a property needed for bioimaging applications; (ii) their photophysical properties and parameters that affect the energy and brightness of their photoluminescence; (iii) toxicity and bioimaging applications of CIS QDs, including tumor targeting, time-gated detection and multimodal imaging, as well as theranostics. Future perspectives are analyzed in view of advantages and potential limitations of CIS QDs compared to most traditional QDs.
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Affiliation(s)
- Giacomo Morselli
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Bologna, 40126, Italy.
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Lykins WR, Hansen ME, Sun X, Advincula R, Finbloom JA, Jain AK, Zala Y, Ma A, Desai TA. Impact of Microdevice Geometry on Transit and Retention in the Murine Gastrointestinal Tract. ACS Biomater Sci Eng 2021. [PMID: 33914503 PMCID: PMC10389692 DOI: 10.1021/acsbiomaterials.0c01606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Oral protein delivery technologies often depend on encapsulating or enclosing the protein cargo to protect it against pH-driven degradation in the stomach or enzymatic digestion in the small intestine. An emergent methodology is to encapsulate therapeutics in microscale, asymmetric, planar microparticles, referred to as microdevices. Previous work has shown that, compared to spherical particles, planar microdevices have longer residence times in the GI tract, but it remains unclear how specific design choices (e.g., material selection, particle diameter) impact microdevice behavior in vivo. Recent advances in microdevice fabrication through picoliter printing have expanded the range of device sizes that can be fabricated in a rapid manner. However, relatively little work has explored how device size governs their behavior in the intestinal environment. In this study, we probe the impact of geometry of planar microdevices on their transit and accumulation in the murine GI tract. Additionally, we present a strategy to label, image, and quantify these distributions in intact tissue in a continuous manner, enabling a more detailed understanding of device distribution and transit kinetics than previously possible. We show that smaller particles (194.6 ± 7 μm.diameter) tend to empty from the stomach faster than midsize (293.2 ± 7 μm.diameter) and larger devices (440.9 ± 9 μm.diameter) and that larger devices distribute more broadly in the GI tract and exit slower than other geometries. In general, we observed an inverse correlation between device diameter and GI transit rate. These results inform the future design of drug delivery systems, using particle geometry as an engineering design parameter to control device accumulation and distribution in the GI tract. Additionally, our image analysis process provides greater insight into the tissue level distribution and transit of particle populations. Using this technique, we demonstrate that microdevices act and translocate independently, as opposed to transiting in one homogeneous mass, meaning that target sites will likely be exposed to devices multiple times over the course of hours post administration. This imaging technique and associated findings enable data-informed design of future particle delivery systems, allowing orthogonal control of transit and distribution kinetics in vivo independent of material and cargo selection.
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Affiliation(s)
- William R Lykins
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | - M Eva Hansen
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | - Xiaofei Sun
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Rommel Advincula
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Joel A Finbloom
- Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | | | - Yashoraj Zala
- Sun Pharma Advanced Research Company, Vadodara 390010, India
| | - Averil Ma
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Tejal A Desai
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
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Yang G, Shi S, Zhang X, Zhou S, Liu D, Liang Y, Chen Z, Liang G. Ultrafast photophysical process of bi-exciton Auger recombination in CuInS 2 quantum dots studied by transient-absorption spectroscopy. OPTICS EXPRESS 2021; 29:9012-9020. [PMID: 33820339 DOI: 10.1364/oe.414327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 01/19/2021] [Indexed: 06/12/2023]
Abstract
Auger recombination is an ultrafast and unnegligible photophysical process in colloidal semiconductor quantum dots (QDs) due to competition with charge separation or radiative recombination processes, pivotal for their applications ranging from bio-labeling, light-emitting diodes, QD lasing to solar energy conversion. Among diverse QDs, ternary chalcopyrite is recently receiving significant attention for its heavy-metal free property and remarkable optical performance. Given deficient understanding of the Auger process for ternary chalcopyrite QDs, CuInS2 QDs with various sizes are synthesized as a representative and the bi-exciton lifetime (τBX) is derived by virtue of ultrafast time resolved absorption spectrum. The trend of τBX varying with size is consistent with the universal scaling of τBX versus QD volume (V): τBX = γV. The scaling factor γ is 6.6 ± 0.5 ps·nm-3 for CuInS2 QDs, and the bi-exciton Auger lifetime is 4-5 times slower than typical CdSe QDs with the same volume, suggesting reduced Auger recombination rate in ternary chalcopyrite. This work facilitates clearer understanding of Auger process and provides further insight for rational design of light-harvesting and emitting devices based on ternary chalcopyrite QDs.
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Sheng Y, Li S, Sun Y, Zhang R, Zhao X, Tan MC. Synthesis of deep red emitting Cu-In-Zn-Se/ZnSe quantum dots for dual-modal fluorescence and photoacoustic imaging. NANOTECHNOLOGY 2021; 32:085101. [PMID: 33181499 DOI: 10.1088/1361-6528/abc9e8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
CuInSe2 quantum dots (QDs) are one of the most important Cd-free fluorescent probes; they usually exhibited low fluorescence intensity, suggesting that a considerable amount of absorbed photon energy was lost as heat. In this study we aimed to improve the fluorescence intensity of CuInSe2 QDs and investigate their photoacoustic (PA) signal resulting from the heat dissipation, which was previously rarely reported. Cu-In-Zn-Se/ZnSe QDs were synthesized by adopting two strategies of Zn doping and ZnSe shell growth. It was found that there was an upper limit for Zn concentration beyond which the fluorescence intensity began to decrease. In addition, a blue shift of the emission peak of Cu-In-Zn-Se/ZnSe QDs was observed at high concentrations of ZnSe precursor due to the diffusion of excessive Zn. To prepare the dual-modal fluorescence and PA imaging probe, poly(maleic anhydride-alt-1-octadecene) (PMAO) modified with polyethylene glycol (PEG) was coated on the QDs, which led to a slight reduction in fluorescence. Cellular labeling on HeLa cells was performed to demonstrate the utility of these probes for fluorescence imaging. We further studied the in vitro PA imaging capabilities of the Cu-In-Zn-Se/ZnSe/PMAO-g-PEG nanoparticles, which showed a distinct PA signal beyond 1.0 mg ml-1. The current work demonstrated that a moderate amount of Zn doping is necessary for enhancing fluorescence and there is a limit beyond which the fluorescence will be diminished. We also demonstrated the proof of concept that Cu-In-Zn-Se/ZnSe QDs are able to serve as a potential PA imaging contrast agent.
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Affiliation(s)
- Yang Sheng
- Jiangus Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Changzhou University, Changzhou 213164, People's Republic of China
- Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211800, People's Republic of China
- Jiangsu Chenguang Paint Co., Ltd, Changzhou 213154, People's Republic of China
| | - Shuai Li
- Jiangus Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Yixin Sun
- Jiangus Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Rong Zhang
- Jiangus Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Xinyu Zhao
- Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore
| | - Mei Chee Tan
- Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore
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Ji Y, Jones C, Baek Y, Park GK, Kashiwagi S, Choi HS. Near-infrared fluorescence imaging in immunotherapy. Adv Drug Deliv Rev 2020; 167:121-134. [PMID: 32579891 DOI: 10.1016/j.addr.2020.06.012] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/09/2020] [Accepted: 06/11/2020] [Indexed: 12/11/2022]
Abstract
Near-infrared (NIR) light possesses many suitable optophysical properties for medical imaging including low autofluorescence, deep tissue penetration, and minimal light scattering, which together allow for high-resolution imaging of biological tissue. NIR imaging has proven to be a noninvasive and effective real-time imaging methodology that provides a high signal-to-background ratio compared to other potential optical imaging modalities. In response to this, the use of NIR imaging has been extensively explored in the field of immunotherapy. To date, NIR fluorescence imaging has successfully offered reliable monitoring of the localization, dynamics, and function of immune responses, which are vital in assessing not only the efficacy but also the safety of treatments to design immunotherapies optimally. This review aims to provide an overview of the current research on NIR imaging of the immune response. We expect that the use of NIR imaging will expand further in response to the recent success in cancer immunotherapy. We will also offer our insights on how this technology will meet rapidly growing expectations in the future.
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Affiliation(s)
- Yuanyuan Ji
- Scientific Research Centre, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, Shaanxi, China; Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Catherine Jones
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Yoonji Baek
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - G Kate Park
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Satoshi Kashiwagi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Hak Soo Choi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
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Komesli Y, Yildirim Y, Karasulu E. Visualisation of real-time oral biodistribution of fluorescent labeled self-microemulsifying drug delivery system of olmesartan medoxomil using optical imaging method. Drug Metab Pharmacokinet 2020; 36:100365. [PMID: 33191089 DOI: 10.1016/j.dmpk.2020.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/12/2020] [Accepted: 10/24/2020] [Indexed: 01/14/2023]
Abstract
In the present study, the biodistribution of self-microemulsifying drug delivery system of hydrophobic olmesartan medoxomil (OM-SMEDDS) was determined by labeling with a fluorescent dye VivoTag®680 XL and Xenolight® DiR. Labeled OM-SMEDDS and control dye solution administered orally to mice; real-time dynamic biodistributions over 7 h were determined by 2D-fluorescent imaging to verify their anatomic location. Fluorescent Emissions by Vivotag 680® XL and Xenolight® DiR labeled OM-SMEDDS emitted 2 to 24 times stronger emission than control dye administered group. To further confirm the results, organs were removed and examined using the same technique at the end of 7 h. VivoTag®680XL and Xenolight® DiR emitted 4 and 1.7 times stronger emission respectively than control dye administered mice in ex-vivo organ imaging studies. This study showed that OM-SMEDDS can be succesfully labeled with fluorescent dye and tracked with optical imaging method for the visualisation of biodistribution of drugs and is also useful for enhanced bioavailability.
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Affiliation(s)
- Yelda Komesli
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Altinbas University, Istanbul, Turkey.
| | - Yeliz Yildirim
- Department of Chemistry, Faculty of Science, Ege University, Bornova, Izmir, Turkey
| | - Ercument Karasulu
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ege University, Izmir, Turkey
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Nifontova G, Krivenkov V, Zvaigzne M, Samokhvalov P, Efimov AE, Agapova OI, Agapov II, Korostylev E, Zarubin S, Karaulov A, Nabiev I, Sukhanova A. Controlling Charge Transfer from Quantum Dots to Polyelectrolyte Layers Extends Prospective Applications of Magneto-Optical Microcapsules. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35882-35894. [PMID: 32663390 DOI: 10.1021/acsami.0c08715] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The layer-by-layer (LbL) deposition approach allows combined incorporation of fluorescent, magnetic, and plasmonic nanoparticles into the shell of polyelectrolyte microcapsules to obtain stimulus-responsive systems whose imaging and drug release functions can be triggered by external stimuli. The combined use of fluorescent quantum dots (QDs) and magnetic nanoparticles (MNPs) yields magnetic-field-driven imaging tools that can be tracked and imaged even deep in tissue when the appropriate type of QDs and wavelength of their excitation are used. QDs are excellent photonic labels for microcapsule encoding due to their close-to-unity photoluminescence (PL) quantum yields, narrow PL emission bands, and tremendous one- and two-photon extinction coefficients. However, the presence of MNPs and electrically charged polyelectrolyte molecules used for the LbL fabrication of magneto-optical microcapsules provokes alterations of the QD optical properties because of the photoinduced charge and energy transfer resulting in QD photodarkening or photobrightening. These lead to variation of the microcapsule PL signal under illumination, which hampers their tracking and quantitative analysis in cells and tissues. Here, we have studied the effects of the structure and spatial arrangement of the nanoparticles within the microcapsule polyelectrolyte shell, the total shell thickness, and the shell surface charge on their PL properties under continuous illumination. The roles of the charge transfer and its main driving forces in the stability of the microcapsules PL signal have been established, and the design of the microcapsules dually encoded with QDs and MNPs providing the strongest and most stable PL has been determined. Controlling the energy transfer from the QDs and MNPs and the charge transfer from QDs to polyelectrolyte layers in the engineering of magneto-optical microcapsules with a bright and stable PL signal extends their applications to long-lasting quantitative fluorescence imaging.
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Affiliation(s)
- Galina Nifontova
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russian Federation
| | - Victor Krivenkov
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russian Federation
| | - Maria Zvaigzne
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russian Federation
| | - Pavel Samokhvalov
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russian Federation
| | - Anton E Efimov
- Shumakov National Medical Research Center of Transplantology and Artificial Organs, 123182 Moscow, Russian Federation
| | - Olga I Agapova
- Shumakov National Medical Research Center of Transplantology and Artificial Organs, 123182 Moscow, Russian Federation
| | - Igor I Agapov
- Shumakov National Medical Research Center of Transplantology and Artificial Organs, 123182 Moscow, Russian Federation
| | - Evgeny Korostylev
- Moscow Institute of Physics and Technology (State University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Sergei Zarubin
- Moscow Institute of Physics and Technology (State University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Alexander Karaulov
- Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russian Federation
| | - Igor Nabiev
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russian Federation
- Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russian Federation
- Laboratoire de Recherche en Nanosciences (LRN-EA4682), Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - Alyona Sukhanova
- Laboratoire de Recherche en Nanosciences (LRN-EA4682), Université de Reims Champagne-Ardenne, 51100 Reims, France
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Singh N, Kumar P, Riaz U. Applications of near infrared and surface enhanced Raman scattering techniques in tumor imaging: A short review. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 222:117279. [PMID: 31234091 DOI: 10.1016/j.saa.2019.117279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/08/2019] [Accepted: 06/15/2019] [Indexed: 06/09/2023]
Abstract
Imaging technologies play a vital role in clinical oncology and have undergone massive growth over the past few decades. Research in the field of tumor imaging and biomedical diagnostics requires early detection of physiological alterations so as to provide curative treatment in real time. The objective of this review is to provide an insight about near infrared fluorescence (NIRF) and surface enhanced Raman scattering (SERS) imaging techniques that can be used to expand their capabilities for the early detection and diagnosis of cancer cells. Basic setup, principle and working of the instruments has been provided and common NIRF imaging agents as well as SERS tags are also discussed besides the analytical advantages/disadvantages of these techniques. This review can help researchers working in the field of molecular imaging to design cost effective fluorophores and SERS tags to overcome the limitations of both NIRF as well as SERS imaging technologies.
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Affiliation(s)
- Neetika Singh
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India; Advanced Instrumentation Research Facility, Jawaharlal Nehru University, New Delhi 110067, India
| | - Prabhat Kumar
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India; Advanced Instrumentation Research Facility, Jawaharlal Nehru University, New Delhi 110067, India
| | - Ufana Riaz
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India; Advanced Instrumentation Research Facility, Jawaharlal Nehru University, New Delhi 110067, India.
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12
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Debnath T, Ghosh HN. Ternary Metal Chalcogenides: Into the Exciton and Biexciton Dynamics. J Phys Chem Lett 2019; 10:6227-6238. [PMID: 31556303 DOI: 10.1021/acs.jpclett.9b01596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Intra-band-gap state-induced low-toxicity colloidal I-III-VI ternary metal chalcogenide nanocrystals (NCs) have emerged as promising alternatives to the toxic Cd- and Pb-chalcogenides for different optoelectronic and bioimaging applications. In this Perspective, we provide the primary understanding of the intra-band-gap state-induced photoluminescence (PL) of I-III-VI NCs, specifically CuInS2 and AgInS2, as a function of particle size and composition and correlated with time-resolved PL measurements. The intra-band-gap state-induced ultrafast exciton and biexciton dynamics are discussed in detail to unravel the subpicosecond carrier relaxation dynamics through transient absorption measurement. Furthermore, ultrafast dissociation of the biexciton on Au@CuInS2 hybrid NCs has been revealed to be due to the presence of Au, which has direct relevance to the improvement of the solar cell efficiency. The proper fundamental insight of the ultrafast exciton and biexciton dynamics of these materials will enable utilization of ternary metal chalcogenides in photovoltaic as well as light-emitting devices.
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Affiliation(s)
- Tushar Debnath
- Radiation and Photochemistry Division , Bhabha Atomic Research Centre , Mumbai 400085 , India
| | - Hirendra N Ghosh
- Radiation and Photochemistry Division , Bhabha Atomic Research Centre , Mumbai 400085 , India
- Institute of Nano Science and Technology , Mohali , Punjab 160064 , India
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13
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Komesli Y, Burak Ozkaya A, Ugur Ergur B, Kirilmaz L, Karasulu E. Design and development of a self-microemulsifying drug delivery system of olmesartan medoxomil for enhanced bioavailability. Drug Dev Ind Pharm 2019; 45:1292-1305. [DOI: 10.1080/03639045.2019.1607868] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yelda Komesli
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ege University, Izmir, Turkey
| | - Ali Burak Ozkaya
- Department of Medical Biochemistry, Faculty of Medicine, Izmir University of Economics, Izmir, Turkey
| | - Bekir Ugur Ergur
- Department of Basic Medicine Sciences, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey
| | - Levent Kirilmaz
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ege University, Izmir, Turkey
| | - Ercument Karasulu
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ege University, Izmir, Turkey
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14
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Lin J, Zeng X, Xiao Y, Tang L, Nong J, Liu Y, Zhou H, Ding B, Xu F, Tong H, Deng Z, Hong X. Novel near-infrared II aggregation-induced emission dots for in vivo bioimaging. Chem Sci 2019; 10:1219-1226. [PMID: 30774922 PMCID: PMC6349025 DOI: 10.1039/c8sc04363a] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/09/2018] [Indexed: 12/12/2022] Open
Abstract
Near-infrared II fluorescence imaging holds great promise for in vivo imaging and imaging-guided surgery with deep penetration and high spatiotemporal resolution. However, most NIR-II aromatic luminophores suffer from the notorious aggregation-caused quenching (ACQ) effect in the aqueous solution, which largely hinders their biomedical application in vivo. In this study, the first NIR-II organic aggregation-induced emission (AIE) fluorophore (HLZ-BTED), encapsulated as nanoparticles (HLZ-BTED dots) for in vivo biomedical imaging, was designed and synthesized. The NIR-II AIE HLZ-BTED dots showed high temporal resolution, high photostability, outstanding water-solubility and biocompatibility in vitro and in vivo. The HLZ-BTED dots were further used for long-term breast tumor imaging and visualizing tumor-feeding blood vessels, long-term hind limb vasculature and incomplete hind limb ischemia. More importantly, as a proof-of-concept, this is the first time that non-invasive and real-time NIR-II imaging of the gastrointestinal tract in health and disease has been performed, making the AIE dots a promising tool for gastrointestinal (GI) tract research, such as understanding the healthy status of GI peristalsis, diagnosing and evaluating intestinal motility dysfunction, and assessing drug effects on intestinal obstruction.
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Affiliation(s)
- Jiacheng Lin
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
- Shenzhen Institute of Wuhan University , Shenzhen , 518057 , China
| | - Xiaodong Zeng
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
- Shenzhen Institute of Wuhan University , Shenzhen , 518057 , China
| | - Yuling Xiao
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
- Shenzhen Institute of Wuhan University , Shenzhen , 518057 , China
| | - Lin Tang
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
| | - Jinxia Nong
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
| | - Yufang Liu
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
| | - Hui Zhou
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
- Shenzhen Institute of Wuhan University , Shenzhen , 518057 , China
| | - Bingbing Ding
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
| | - Fuchun Xu
- Innovation Center for Traditional Tibetan Medicine Modernization and Quality Control , Medical College , Tibet University , Lhasa , 850000 , China
| | - Hanxing Tong
- Department of General Surgery , Zhongshan Hospital , Fudan University , Shanghai , 200032 , China
| | - Zixin Deng
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
| | - Xuechuan Hong
- State Key Laboratory of Virology , Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) , Hubei Provincial Key Laboratory of Developmentally Originated Disease , Wuhan University School of Pharmaceutical Sciences , Wuhan 430071 , China .
- Shenzhen Institute of Wuhan University , Shenzhen , 518057 , China
- Innovation Center for Traditional Tibetan Medicine Modernization and Quality Control , Medical College , Tibet University , Lhasa , 850000 , China
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15
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Zhang Z, Yuan Y, Liu Z, Chen H, Chen D, Fang X, Zheng J, Qin W, Wu C. Brightness Enhancement of Near-Infrared Semiconducting Polymer Dots for in Vivo Whole-Body Cell Tracking in Deep Organs. ACS APPLIED MATERIALS & INTERFACES 2018; 10:26928-26935. [PMID: 30033725 DOI: 10.1021/acsami.8b08735] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In vivo visualization of cell migration and engraftment in small animals provide crucial information in biomedical studies. Semiconducting polymer dots (Pdots) are emerging as superior probes for biological imaging. However, in vivo whole-body fluorescence imaging is largely constrained by the limited brightness of Pdots in near-infrared (NIR) region. Here, we describe the brightness enhancement of NIR fluorescent Pdots for in vivo whole-body cell tracking in deep organs. We first synthesize semiconducting polymers with strong absorption in orange and far-red regions. By molecular doping, the weak broad-band fluorescence of the Pdots was significantly narrowed and enhanced by 1 order of magnitude enhancement, yielding bright narrow-band NIR emission with a quantum yield of ∼0.21. Under an excitation of far-red light (676 nm), a trace amount of Pdots (∼2 μg) in the stomach can be clearly detected in whole-body fluorescence imaging of live mice. The Pdots coated with a cell-penetrating peptide are able to brightly label cancer cells with minimal cytotoxicity. In vivo cell tracking in live mice indicated that the entrapment and migration of the tail-vein-administered cells (∼400 000) were clearly visualized in real time. These Pdots with deep-red excitation and bright NIR emission are promising for in vivo whole-body fluorescence imaging.
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Affiliation(s)
- Zhe Zhang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Ye Yuan
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Zhihe Liu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Haobin Chen
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Dandan Chen
- Department of Biomedical Engineering , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , China
| | - Xiaofeng Fang
- Department of Biomedical Engineering , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , China
| | - Jie Zheng
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Weiping Qin
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering , Jilin University , Changchun , Jilin 130012 , China
| | - Changfeng Wu
- Department of Biomedical Engineering , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , China
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16
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Tong X, Kong X, Wang C, Zhou Y, Navarro‐Pardo F, Barba D, Ma D, Sun S, Govorov AO, Zhao H, Wang ZM, Rosei F. Optoelectronic Properties in Near-Infrared Colloidal Heterostructured Pyramidal "Giant" Core/Shell Quantum Dots. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800656. [PMID: 30128262 PMCID: PMC6097093 DOI: 10.1002/advs.201800656] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 06/01/2018] [Indexed: 05/29/2023]
Abstract
Colloidal heterostructured quantum dots (QDs) are promising candidates for next-generation optoelectronic devices. In particular, "giant" core/shell QDs (g-QDs) can be engineered to exhibit outstanding optical properties and high chemical/photostability for the fabrication of high-performance optoelectronic devices. Here, the synthesis of heterostructured CuInSe x S2-x (CISeS)/CdSeS/CdS g-QDs with pyramidal shape by using a facile two-step method is reported. The CdSeS/CdS shell is demonstrated to have a pure zinc blend phase other than typical wurtzite phase. The as-obtained heterostructured g-QDs exhibit near-infrared photoluminescence (PL) emission (≈830 nm) and very long PL lifetime (in the microsecond range). The pyramidal g-QDs exhibit a quasi-type II band structure with spatial separation of electron-hole wave function, suggesting an efficient exciton extraction and transport, which is consistent with theoretical calculations. These heterostructured g-QDs are used as light harvesters to fabricate a photoelectrochemical cell, exhibiting a saturated photocurrent density as high as ≈5.5 mA cm-2 and good stability under 1 sun illumination (AM 1.5 G, 100 mW cm-2). These results are an important step toward using heterostructured pyramidal g-QDs for prospective applications in solar technologies.
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Affiliation(s)
- Xin Tong
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - Xiang‐Tian Kong
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
- Department of Physics and AstronomyOhio UniversityAthensOH45701USA
| | - Chao Wang
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - Yufeng Zhou
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - Fabiola Navarro‐Pardo
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - David Barba
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - Dongling Ma
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | - Shuhui Sun
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
| | | | - Haiguang Zhao
- State Key Laboratory and College of PhysicsQingdao UniversityQingdao266071P. R. China
| | - Zhiming M. Wang
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
| | - Federico Rosei
- Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu610054P. R. China
- Institut National de la Recherche ScientifiqueCentre Énergie Matériaux et Télécommunications1650 Boul. Lionel BouletVarennesQCJ3X 1S2Canada
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17
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Yu K, Yang Y, Wang J, Tang X, Xu QH, Wang GP. Ultrafast carrier dynamics and third-order nonlinear optical properties of AgInS 2/ZnS nanocrystals. NANOTECHNOLOGY 2018; 29:255703. [PMID: 29595519 DOI: 10.1088/1361-6528/aabab7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Broad photoluminescence (PL) emission, a large Stokes shift and extremely long-lived radiative lifetimes are the characteristics of ternary I-III-VI semiconductor nanocrystals (NCs), such as CuInS2 and AgInS2. However, the lack of understanding regarding the intriguing PL mechanisms and photo-carrier dynamics limits their further applications. Here, AgInS2 and AgInS2/ZnS NCs were chemically synthesized and their carrier dynamics were studied by time-resolved PL spectroscopy. The results demonstrated that the surface defect state, which contributed dominantly to the non-radiative decay processes, was effectively passivated through ZnS alloying. Femtosecond transient absorption spectroscopy was also used to investigate the carrier dynamics, revealing the electron storage at the surface state and donor state. Furthermore, the two photon absorption properties of AgInS2 and AgInS2/ZnS NCs were measured using an open-aperture Z-scan technique. The improved third-order nonlinear susceptibility [Formula: see text] of AgInS2 through ZnS alloying demonstrates potential application in two photon PL biological imaging.
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Affiliation(s)
- Kuai Yu
- College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, People's Republic of China
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18
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Ha Y, Ko S, Kim I, Huang Y, Mohanty K, Huh C, Maynard JA. Recent Advances Incorporating Superparamagnetic Nanoparticles into Immunoassays. ACS APPLIED NANO MATERIALS 2018; 1:512-521. [PMID: 29911680 PMCID: PMC5999228 DOI: 10.1021/acsanm.7b00025] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 01/31/2018] [Indexed: 05/09/2023]
Abstract
Superparamagnetic nanoparticles (SPMNPs) have attracted interest for various biomedical applications due to their unique magnetic behavior, excellent biocompatibility, easy surface modification, and low cost. Their unique magnetic properties, superparamagnetism, and magnetophoretic mobility have led to their inclusion in immunoassays to enhance biosensor sensitivity and allow for rapid detection of various analytes. In this review, we describe SPMNP characteristics valuable for incorporation into biosensors, including the use of SPMNPs to increase detection capabilities of surface plasmon resonance and giant magneto-resistive biosensors. The current status of SPMNP-based immunoassays to improve the sensitivity of rapid diagnostic tests is reviewed, and suggested strategies for the successful adoption of SPMNPs for immunoassays are presented.
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Affiliation(s)
- Yeonjeong Ha
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- E-mail: . (J.A.M.)
| | - Saebom Ko
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Ijung Kim
- Department
of Civil and Environmental Engineering, Western New England University, Springfield, Massachusetts 01119, United States
| | - Yimin Huang
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Kishore Mohanty
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Chun Huh
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Jennifer A. Maynard
- Department
of Chemical Engineering and Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- E-mail: . (Y.-J.H.)
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19
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Chen B, Pradhan N, Zhong H. From Large-Scale Synthesis to Lighting Device Applications of Ternary I-III-VI Semiconductor Nanocrystals: Inspiring Greener Material Emitters. J Phys Chem Lett 2018; 9:435-445. [PMID: 29303589 DOI: 10.1021/acs.jpclett.7b03037] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Quantum dots with fabulous size-dependent and color-tunable emissions remained as one of the most exciting inventories in nanomaterials for the last 3 decades. Even though a large number of such dot nanocrystals were developed, CdSe still remained as unbeatable and highly trusted lighting nanocrystals. Beyond these, the ternary I-III-VI family of nanocrystals emerged as the most widely accepted greener materials with efficient emissions tunable in visible as well as NIR spectral windows. These bring the high possibility of their implementation as lighting materials acceptable to the community and also to the environment. Keeping these in mind, in this Perspective, the latest developments of ternary I-III-VI nanocrystals from their large-scale synthesis to device applications are presented. Incorporating ZnS, tuning the composition, mixing with other nanocrystals, and doping with Mn ions, light-emitting devices of single color as well as for generating white light emissions are also discussed. In addition, the future prospects of these materials in lighting applications are also proposed.
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Affiliation(s)
- Bingkun Chen
- Beijing Engineering Research Centre of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology , Beijing 100081, China
| | - Narayan Pradhan
- Department of Materials Science, Indian Association for the Cultivation of Science , Kolkata, India 700032
| | - Haizheng Zhong
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology , Beijing 100081, China
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20
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LaBonia GJ, Ludwig KR, Mousseau CB, Hummon AB. iTRAQ Quantitative Proteomic Profiling and MALDI-MSI of Colon Cancer Spheroids Treated with Combination Chemotherapies in a 3D Printed Fluidic Device. Anal Chem 2018; 90:1423-1430. [PMID: 29227110 PMCID: PMC5820028 DOI: 10.1021/acs.analchem.7b04969] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
For a patient with metastatic colorectal cancer there are limited clinical options aside from chemotherapy. Unfortunately, the development of new chemotherapeutics is a long and costly process. New methods are needed to identify promising drug candidates earlier in the drug development process. Most chemotherapies are administered to patients in combinations. Here, an in vitro platform is used to assess the penetration and metabolism of combination chemotherapies in three-dimensional colon cancer cell cultures, or spheroids. Colon carcinoma HCT 116 cells were cultured and grown into three-dimensional cell culture spheroids. These spheroids were then dosed with a common combination chemotherapy, FOLFIRI (folinic acid, 5-fluorouracil, and irinotecan) in a 3D printed fluidic device. This fluidic device allows for the dynamic treatment of spheroids across a semipermeable membrane. Following dosing, the spheroids were harvested for quantitative proteomic profiling to examine the effects of the combination chemotherapy on the colon cancer cells. Spheroids were also imaged to assess the spatial distribution of administered chemotherapeutics and metabolites with MALDI-imaging mass spectrometry. Following treatment, we observed penetration of folinic acid to the core of spheroids and metabolism of the drug in the outer proliferating region of the spheroid. Proteomic changes identified included an enrichment of several cancer-associated pathways. This innovative dosing device, along with the proteomic evaluation with iTRAQ-MS/MS, provides a robust platform that could have a transformative impact on the preclinical evaluation of drug candidates. This system is a high-throughput and cost-effective approach to examine novel drugs and drug combinations prior to animal testing.
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MESH Headings
- Antineoplastic Agents/pharmacology
- Cell Culture Techniques/methods
- Colonic Neoplasms/drug therapy
- Colonic Neoplasms/metabolism
- Drug Screening Assays, Antitumor/instrumentation
- Drug Screening Assays, Antitumor/methods
- Equipment Design
- HCT116 Cells
- High-Throughput Screening Assays/instrumentation
- High-Throughput Screening Assays/methods
- Humans
- Microfluidic Analytical Techniques/instrumentation
- Microfluidic Analytical Techniques/methods
- Printing, Three-Dimensional
- Proteomics/instrumentation
- Proteomics/methods
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization/instrumentation
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization/methods
- Spheroids, Cellular/drug effects
- Spheroids, Cellular/metabolism
- Tumor Cells, Cultured
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Affiliation(s)
- Gabriel J. LaBonia
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Katelyn R. Ludwig
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA
| | - C. Bruce Mousseau
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Amanda B. Hummon
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA
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21
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Li S, Guo Z, Zeng G, Zhang Y, Xue W, Liu Z. Polyethylenimine-Modified Fluorescent Carbon Dots As Vaccine Delivery System for Intranasal Immunization. ACS Biomater Sci Eng 2017; 4:142-150. [PMID: 33418684 DOI: 10.1021/acsbiomaterials.7b00370] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Fluorescent carbon dots (CDs) as a luminescent nanomaterial have obtained much attention in the biomedical field. To make good use of their luminescent property and nanoscaled size, we developed CDs as a vaccine delivery system for intranasal immunization in this work. To this aim, polyethylenimine-modified CDs were prepared via a simple microwave method. Intranasal immunization was performed by using the CDs as an antigen carrier to deliver model protein antigen ovalbumin. The results showed that the CDs as an intranasal vaccine delivery system enhanced the immunization efficacy by significantly increasing IgG titer, IgA induction in the local and distant mucous membrane sites, splenocyte proliferation, cytokine IFN-γ secretion by splenocytes, and memory T cells. From the results, the CDs could be used as vaccine delivery systems with the advantage of tracing the antigen transportation from administration site to the lymph organs.
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Affiliation(s)
- Sha Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, No. 601 West Huangpu Avenue, Guangzhou, 510632, China
| | - Zhong Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, No. 601 West Huangpu Avenue, Guangzhou, 510632, China
| | - Guandi Zeng
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, No. 601 West Huangpu Avenue, Guangzhou 510632, China
| | - Yu Zhang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, No. 601 West Huangpu Avenue, Guangzhou, 510632, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, No. 601 West Huangpu Avenue, Guangzhou, 510632, China
| | - Zonghua Liu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, No. 601 West Huangpu Avenue, Guangzhou, 510632, China
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22
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Silbaugh DA, Ferrer-Tasies L, Faraudo J, Veciana J, Ventosa N, Korgel BA. Highly Fluorescent Silicon Nanocrystals Stabilized in Water Using Quatsomes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:14366-14377. [PMID: 29182881 DOI: 10.1021/acs.langmuir.7b03539] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Fluorescent silicon (Si) nanocrystals (2.8 nm diameter) were incorporated into surfactant assemblies of cetyltrimethylammonium bromide (CTAB) and cholesterol, called quatsomes. In water, the quatsome-Si nanocrystal assemblies remain fluorescent and well-dispersed for weeks. In contrast to Si nanocrystals, alkanethiol-capped gold (Au) nanocrystals do not form stable dispersions in water with quatsomes. Cryogenic transmission electron microscopy (cryo-TEM) confirmed that the Si nanocrystal-quatsome structures do not change over the course of several weeks. The long-term stability of the Si nanocrystal-quatsome assemblies, their fluorescence, and biocompatibility makes them attractive candidates for medical applications.
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Affiliation(s)
- Dorothy A Silbaugh
- McKetta Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712-1062, United States
| | - Lidia Ferrer-Tasies
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Esfera UAB , Campus UAB s/n; E-08193 Cerdanyola del Vallès, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Nanomol group , Campus UAB s/n; E-08193Cerdanyola del Vallès, Spain
| | - Jordi Faraudo
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Esfera UAB , Campus UAB s/n; E-08193 Cerdanyola del Vallès, Spain
| | - Jaume Veciana
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Esfera UAB , Campus UAB s/n; E-08193 Cerdanyola del Vallès, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Nanomol group , Campus UAB s/n; E-08193Cerdanyola del Vallès, Spain
| | - Nora Ventosa
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Esfera UAB , Campus UAB s/n; E-08193 Cerdanyola del Vallès, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Nanomol group , Campus UAB s/n; E-08193Cerdanyola del Vallès, Spain
| | - Brian A Korgel
- McKetta Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712-1062, United States
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23
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Iglesias T, Irache J, Butinar M, Turk B, López de Cerain A, Azqueta A. Genotoxic evaluation of poly(anhydride) nanoparticles in the gastrointestinal tract of mice. Int J Pharm 2017; 530:187-194. [DOI: 10.1016/j.ijpharm.2017.07.066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/21/2017] [Accepted: 07/21/2017] [Indexed: 01/03/2023]
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24
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Deng L, Roose K, Job ER, De Rycke R, Van Hamme E, Gonçalves A, Parthoens E, Cicchelero L, Sanders N, Fiers W, Saelens X. Oral delivery of Escherichia coli persistently infected with M2e-displaying bacteriophages partially protects against influenza A virus. J Control Release 2017; 264:55-65. [PMID: 28842314 DOI: 10.1016/j.jconrel.2017.08.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 08/16/2017] [Accepted: 08/18/2017] [Indexed: 01/22/2023]
Abstract
We describe a novel live oral vaccine type. Conceptually, this vaccine is based on a non-lytic, recombinant filamentous bacteriophage that displays an antigen of interest. To provide proof of concept we used the amino-terminal part of a conserved influenza A virus epitope, i.e. matrix protein 2 ectodomain (M2e) residues 2 to 16, as the antigen of interest. Rather than using the phages as purified virus-like particles as a vaccine, these phages were delivered to intestinal Peyer's patches as a live bacterium-phage combination that comprises Escherichia coli cells that conditionally express invasin derived from Yersinia pseudotuberculosis. Invasin-expressing E. coli cells were internalized by mammalian Hep-2 cells in vitro and adhered to mouse intestinal microfold (M) cells ex vivo. Invasin-expressing E. coli cells were permissive for recombinant filamentous bacteriophage f88 that displays M2e and became persistently infected. Oral administration of the live engineered E. coli-invasin-phage combination to mice induced M2e-specific serum IgG antibodies. Mice that had been immunized with invasin-expressing E. coli cells that carried M2e2-16 displaying fd phages seroconverted to M2e and showed partial protection against challenge with influenza A virus. Oral delivery of a live vaccine comprising a bacterial host that is targeted to Peyer's patches and is persistently infected with an antigen-displaying phage, can thus be exploited as an oral vaccine.
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Affiliation(s)
- Lei Deng
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark, 927, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium
| | - Kenny Roose
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark, 927, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium
| | - Emma R Job
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark, 927, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium
| | - Riet De Rycke
- Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium; Inflammation Research Center, VIB, Technologiepark 927, Ghent, Belgium
| | - Evelien Van Hamme
- Inflammation Research Center, VIB, Technologiepark 927, Ghent, Belgium
| | - Amanda Gonçalves
- Inflammation Research Center, VIB, Technologiepark 927, Ghent, Belgium
| | - Eef Parthoens
- Inflammation Research Center, VIB, Technologiepark 927, Ghent, Belgium
| | - Laetitia Cicchelero
- Laboratory of Gene Therapy, Faculty of Veterinary Sciences, Ghent University, Merelbeke, Belgium
| | - Niek Sanders
- Laboratory of Gene Therapy, Faculty of Veterinary Sciences, Ghent University, Merelbeke, Belgium
| | - Walter Fiers
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark, 927, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium.
| | - Xavier Saelens
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark, 927, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Technologiepark 927, Ghent, Belgium.
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25
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Pietryga JM, Park YS, Lim J, Fidler AF, Bae WK, Brovelli S, Klimov VI. Spectroscopic and Device Aspects of Nanocrystal Quantum Dots. Chem Rev 2017; 116:10513-622. [PMID: 27677521 DOI: 10.1021/acs.chemrev.6b00169] [Citation(s) in RCA: 390] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The field of nanocrystal quantum dots (QDs) is already more than 30 years old, and yet continuing interest in these structures is driven by both the fascinating physics emerging from strong quantum confinement of electronic excitations, as well as a large number of prospective applications that could benefit from the tunable properties and amenability toward solution-based processing of these materials. The focus of this review is on recent advances in nanocrystal research related to applications of QD materials in lasing, light-emitting diodes (LEDs), and solar energy conversion. A specific underlying theme is innovative concepts for tuning the properties of QDs beyond what is possible via traditional size manipulation, particularly through heterostructuring. Examples of such advanced control of nanocrystal functionalities include the following: interface engineering for suppressing Auger recombination in the context of QD LEDs and lasers; Stokes-shift engineering for applications in large-area luminescent solar concentrators; and control of intraband relaxation for enhanced carrier multiplication in advanced QD photovoltaics. We examine the considerable recent progress on these multiple fronts of nanocrystal research, which has resulted in the first commercialized QD technologies. These successes explain the continuing appeal of this field to a broad community of scientists and engineers, which in turn ensures even more exciting results to come from future exploration of this fascinating class of materials.
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Affiliation(s)
- Jeffrey M Pietryga
- Nanotechnology and Advanced Spectroscopy Team, Chemistry Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Young-Shin Park
- Nanotechnology and Advanced Spectroscopy Team, Chemistry Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States.,Center for High Technology Materials, University of New Mexico , Albuquerque, New Mexico 87131, United States
| | - Jaehoon Lim
- Nanotechnology and Advanced Spectroscopy Team, Chemistry Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Andrew F Fidler
- Nanotechnology and Advanced Spectroscopy Team, Chemistry Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Wan Ki Bae
- Photo-Electronic Hybrids Research Center, Korea Institute of Science and Technology , Seoul 02792, Korea
| | - Sergio Brovelli
- Dipartimento di Scienza dei Materiali, Università degli Studi di Milano-Bicocca , I-20125 Milano, Italy
| | - Victor I Klimov
- Nanotechnology and Advanced Spectroscopy Team, Chemistry Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
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26
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Coughlan C, Ibáñez M, Dobrozhan O, Singh A, Cabot A, Ryan KM. Compound Copper Chalcogenide Nanocrystals. Chem Rev 2017; 117:5865-6109. [PMID: 28394585 DOI: 10.1021/acs.chemrev.6b00376] [Citation(s) in RCA: 301] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This review captures the synthesis, assembly, properties, and applications of copper chalcogenide NCs, which have achieved significant research interest in the last decade due to their compositional and structural versatility. The outstanding functional properties of these materials stems from the relationship between their band structure and defect concentration, including charge carrier concentration and electronic conductivity character, which consequently affects their optoelectronic, optical, and plasmonic properties. This, combined with several metastable crystal phases and stoichiometries and the low energy of formation of defects, makes the reproducible synthesis of these materials, with tunable parameters, remarkable. Further to this, the review captures the progress of the hierarchical assembly of these NCs, which bridges the link between their discrete and collective properties. Their ubiquitous application set has cross-cut energy conversion (photovoltaics, photocatalysis, thermoelectrics), energy storage (lithium-ion batteries, hydrogen generation), emissive materials (plasmonics, LEDs, biolabelling), sensors (electrochemical, biochemical), biomedical devices (magnetic resonance imaging, X-ray computer tomography), and medical therapies (photochemothermal therapies, immunotherapy, radiotherapy, and drug delivery). The confluence of advances in the synthesis, assembly, and application of these NCs in the past decade has the potential to significantly impact society, both economically and environmentally.
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Affiliation(s)
- Claudia Coughlan
- Department of Chemical Sciences and Bernal Institute, University of Limerick , Limerick, Ireland
| | - Maria Ibáñez
- Catalonia Energy Research Institute - IREC, Sant Adria de Besos , Jardins de les Dones de Negre n.1, Pl. 2, 08930 Barcelona, Spain
| | - Oleksandr Dobrozhan
- Catalonia Energy Research Institute - IREC, Sant Adria de Besos , Jardins de les Dones de Negre n.1, Pl. 2, 08930 Barcelona, Spain.,Department of Electronics and Computing, Sumy State University , 2 Rymskogo-Korsakova st., 40007 Sumy, Ukraine
| | - Ajay Singh
- Materials Physics & Applications Division: Center for Integrated Nanotechnologies, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Andreu Cabot
- Catalonia Energy Research Institute - IREC, Sant Adria de Besos , Jardins de les Dones de Negre n.1, Pl. 2, 08930 Barcelona, Spain.,ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Kevin M Ryan
- Department of Chemical Sciences and Bernal Institute, University of Limerick , Limerick, Ireland
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27
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Wang R, Zhou L, Wang W, Li X, Zhang F. In vivo gastrointestinal drug-release monitoring through second near-infrared window fluorescent bioimaging with orally delivered microcarriers. Nat Commun 2017; 8:14702. [PMID: 28281530 PMCID: PMC5353702 DOI: 10.1038/ncomms14702] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 01/23/2017] [Indexed: 01/08/2023] Open
Abstract
Non-invasive monitoring of gastrointestinal drug release in vivo is extremely challenging because of the limited spatial resolution and long scanning time of existing bioimaging modalities, such as X-ray radiation and magnetic resonance. Here, we report a novel microcarrier that can retain drugs and withstand the harsh conditions of gastrointestinal tract. Significantly, we can track the microcarrier fate and semi-quantitatively monitor the content of drug released in vivo in real time by measuring the fluorescence signals in the second near-infrared window of lanthanide-based downconversion nanoparticles with an absorption competition-induced emission bioimaging system. The microcarriers show a prolonged residence time of up to 72 h in the gastrointestinal tract, releasing up to 62% of their content. Moreover, minimal deposition of the microcarriers is found in non-target organs, such as the liver, spleen and kidney. These findings provide novel insights for the development of therapeutic and bioimaging strategies of orally administered drugs.
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Affiliation(s)
- Rui Wang
- Department of Chemistry, Laboratory of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Lei Zhou
- Department of Chemistry, Laboratory of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Wenxing Wang
- Department of Chemistry, Laboratory of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Xiaomin Li
- Department of Chemistry, Laboratory of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Fan Zhang
- Department of Chemistry, Laboratory of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
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28
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Yi Q, Wu J, Zhao J, Wang H, Hu J, Dai X, Zou G. Tuning Bandgap of p-Type Cu 2Zn(Sn, Ge)(S, Se) 4 Semiconductor Thin Films via Aqueous Polymer-Assisted Deposition. ACS APPLIED MATERIALS & INTERFACES 2017; 9:1602-1608. [PMID: 27996233 DOI: 10.1021/acsami.6b13683] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Bandgap engineering of kesterite Cu2Zn(Sn, Ge)(S, Se)4 with well-controlled stoichiometric composition plays a critical role in sustainable inorganic photovoltaics. Herein, a cost-effective and reproducible aqueous solution-based polymer-assisted deposition approach is developed to grow p-type Cu2Zn(Sn, Ge)(S, Se)4 thin films with tunable bandgap. The bandgap of Cu2Zn(Sn, Ge)(S, Se)4 thin films can be tuned within the range 1.05-1.95 eV using the aqueous polymer-assisted deposition by accurately controlling the elemental compositions. One of the as-grown Cu2Zn(Sn, Ge)(S, Se)4 thin films exhibits a hall coefficient of +137 cm3/C. The resistivity, concentration and carrier mobility of the Cu2ZnSn(S, Se)4 thin film are 3.17 ohm·cm, 4.5 × 1016 cm-3, and 43 cm2/(V·S) at room temperature, respectively. Moreover, the Cu2ZnSn(S, Se)4 thin film when used as an active layer in a solar cell leads to a power conversion efficiency of 3.55%. The facile growth of Cu2Zn(Sn, Ge)(S, Se)4 thin films in an aqueous system, instead of organic solvents, provides great promise as an environmental-friendly platform to fabricate a variety of single/multi metal chalcogenides for the thin film industry and solution-processed photovoltaic devices.
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Affiliation(s)
- Qinghua Yi
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
| | - Jiang Wu
- Department of Electronic and Electrical Engineering, University College London , London WC1E 7JE, United Kingdom
| | - Jie Zhao
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
| | - Hao Wang
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
| | - Jiapeng Hu
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
| | - Xiao Dai
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
| | - Guifu Zou
- College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215006, China
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29
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Girma WM, Fahmi MZ, Permadi A, Abate MA, Chang JY. Synthetic strategies and biomedical applications of I–III–VI ternary quantum dots. J Mater Chem B 2017; 5:6193-6216. [DOI: 10.1039/c7tb01156c] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
In this review, we discuss recent advances of I–III–VI QDs with a major focus on synthesis and biomedical applications; advantages include low toxicity and fluorescent tuning in the biological window.
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Affiliation(s)
- Wubshet Mekonnen Girma
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Republic of China
| | | | - Adi Permadi
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Republic of China
| | - Mulu Alemayehu Abate
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Republic of China
| | - Jia-Yaw Chang
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Republic of China
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30
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Martynenko IV, Litvin AP, Purcell-Milton F, Baranov AV, Fedorov AV, Gun'ko YK. Application of semiconductor quantum dots in bioimaging and biosensing. J Mater Chem B 2017; 5:6701-6727. [DOI: 10.1039/c7tb01425b] [Citation(s) in RCA: 200] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In this review we present new concepts and recent progress in the application of semiconductor quantum dots (QD) as labels in two important areas of biology, bioimaging and biosensing.
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Affiliation(s)
- I. V. Martynenko
- BAM Federal Institute for Materials Research and Testing
- 12489 Berlin
- Germany
- ITMO University
- St. Petersburg
| | | | | | | | | | - Y. K. Gun'ko
- ITMO University
- St. Petersburg
- Russia
- School of Chemistry and CRANN
- Trinity College Dublin
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31
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Xu G, Zeng S, Zhang B, Swihart MT, Yong KT, Prasad PN. New Generation Cadmium-Free Quantum Dots for Biophotonics and Nanomedicine. Chem Rev 2016; 116:12234-12327. [DOI: 10.1021/acs.chemrev.6b00290] [Citation(s) in RCA: 395] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Gaixia Xu
- Key
Laboratory of Optoelectronics Devices and Systems of Ministry of Education/Guangdong
Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, People’s Republic of China
- CINTRA
CNRS/NTU/THALES,
UMI 3288, Research Techno Plaza, 50
Nanyang Drive, Border X Block, Singapore 637553, Singapore
| | - Shuwen Zeng
- School
of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
- CINTRA
CNRS/NTU/THALES,
UMI 3288, Research Techno Plaza, 50
Nanyang Drive, Border X Block, Singapore 637553, Singapore
| | - Butian Zhang
- School
of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | | | - Ken-Tye Yong
- School
of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
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32
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Wang H, Ding Y, Su S, Meng D, Mujeeb A, Wu Y, Nie G. Assembly of hepatitis E vaccine by 'in situ' growth of gold clusters as nano-adjuvants: an efficient way to enhance the immune responses of vaccination. NANOSCALE HORIZONS 2016; 1:394-398. [PMID: 32260629 DOI: 10.1039/c6nh00087h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Vaccine-based immunotherapy plays an integral role in the development of present and future clinical therapies. Despite the success, there is still a great need to improve the efficiency and safety of vaccines. Nanoparticles have been widely used for improving the efficacy of vaccines by encapsulating the vaccines or using nanoparticles as immune adjuvants. However, the methods for the preparation of nanoparticles are complex with a relatively low encapsulation efficiency of protein vaccine inside the nanocarriers and/or undefined physiochemical properties. Here, we report a new method of preparation of a vaccine by the "in situ" growth of gold clusters in the hepatitis E vaccine (HEVA). The gold cluster grafted HEVA (HEVA/Au) can be easily obtained and there is no loss of HEVA during the preparation process. More importantly, the "in situ" prepared HEVA/Au can not only enhance its immune responses in vivo, but also reduce the potential toxicity of HEVA. Furthermore, the intrinsic fluorescence of gold clusters enables the HEVA to be traceable, which may open a way to track the dynamic behavior of vaccines and further help to optimize an individual therapeutic regimen for immunotherapy.
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Affiliation(s)
- Hai Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beiyitiao, Zhongguancun, Beijing 100190, China.
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33
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Spatial-Temporal Patterns of Viral Amplification and Interference Initiated by a Single Infected Cell. J Virol 2016; 90:7552-7566. [PMID: 27279621 PMCID: PMC4984635 DOI: 10.1128/jvi.00807-16] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 06/02/2016] [Indexed: 11/20/2022] Open
Abstract
When viruses infect their host cells, they can make defective virus-like particles along with intact virus. Cells coinfected with virus and defective particles often exhibit interference with virus growth caused by the competition for resources by defective genomes. Recent reports of the coexistence and cotransmission of such defective interfering particles (DIPs) in vivo, across epidemiological length and time scales, suggest a role in viral pathogenesis, but it is not known how DIPs impact infection spread, even under controlled culture conditions. Using fluorescence microscopy, we quantified coinfections of vesicular stomatitis virus (VSV) expressing a fluorescent reporter protein and its DIPs on BHK-21 host cell monolayers. We found that viral gene expression was more delayed, infections spread more slowly, and patterns of spread became more “patchy” with higher DIP inputs to the initial cell. To examine how infection spread might depend on the behavior of the initial coinfected cell, we built a computational model, adapting a cellular automaton (CA) approach to incorporate kinetic data on virus growth for the first time. Specifically, changes in observed patterns of infection spread could be directly linked to previous high-throughput single-cell measures of virus-DIP coinfection. The CA model also provided testable hypotheses on the spatial-temporal distribution of the DIPs, which remain governed by their predator-prey interaction. More generally, this work offers a data-driven computational modeling approach for better understanding of how single infected cells impact the multiround spread of virus infections across cell populations.
IMPORTANCE Defective interfering particles (DIPs) compete with intact virus, depleting host cell resources that are essential for virus growth and infection spread. However, it is not known how such competition, strong or weak, ultimately affects the way in which infections spread and cause disease. In this study, we address this unmet need by developing an integrated experimental-computational approach, which sheds new light on how infections spread. We anticipate that our approach will also be useful in the development of DIPs as therapeutic agents to manage the spread of viral infections.
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34
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Real-time imaging and tracking of ultrastable organic dye nanoparticles in living cells. Biomaterials 2016; 93:38-47. [DOI: 10.1016/j.biomaterials.2016.03.045] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/23/2016] [Accepted: 03/30/2016] [Indexed: 12/30/2022]
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35
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Liu F, Zhu J, Xu Y, Zhou L, Dai S. Scalable noninjection phosphine-free synthesis and optical properties of tetragonal-phase CuInSe2 quantum dots. NANOSCALE 2016; 8:10021-10025. [PMID: 27137673 DOI: 10.1039/c6nr02505f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Phosphine-free synthesis of CISe quantum dots (QDs) is highly desirable, yet it has been challenging. The main difficulty lies in achieving phosphine-free Se precursors. Most reported protocols for the synthesis of size-confined CISe QDs highly depend on the use of air-sensitive, toxic, and expensive alkylphosphines to prepare reactive Se precursors and to confine particle growth. Herein, we present a new amine/thiol combination-based route to Se precursors that may enable a general synthesis of phosphine-free selenide QDs. What's more, instead of the traditional "hot-injection" method, we also report the first one-pot noninjection synthesis of high quality CISe QDs enabled by our strategy. A very high chemical yield of ∼95% is demonstrated, as well as the facile gram-scale production of monodisperse CISe QDs. By simply adjusting the amount of 1-dodecanethiol used in the synthesis, we are able to produce CISe QDs with continuous tunability of the particle size from ∼2 nm to ∼10 nm, and hence their intrinsic optical properties.
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Affiliation(s)
- Feng Liu
- Key Laboratory of Novel Thin Film Solar Cells, Institute of Applied Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China.
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36
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Li J, Cheng F, Huang H, Li L, Zhu JJ. Nanomaterial-based activatable imaging probes: from design to biological applications. Chem Soc Rev 2016. [PMID: 26214317 DOI: 10.1039/c4cs00476k] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Activatable imaging probes as alternatives to "always on" imaging probes have attracted more and more attention due to their improved sensitivity and specificity. They are commonly designed to amplify or boost imaging signals only in response to specific biomolecular recognition or interaction. Thus, the design strategies play a vital role in the fabrication of activatable imaging probes. In this review, we focus on the design mechanisms and biological applications of those nanomaterial-based activatable imaging probes reported in the past five years, benefitting greatly from the good development of nanotechnology. These probes not only include the most studied activatable fluorescence imaging probes, but also cover more activatable MR imaging probes based on nanoparticle contrast agents and activatable photoacoustic imaging probes, providing more bases for clinical translation.
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Affiliation(s)
- Jingjing Li
- School of Medical Imaging, Xuzhou Medical College, Xuzhou 221004, China and Department of Radiology, Affiliated Hospital of Xuzhou Medical College, Xuzhou 221006, China
| | - Fangfang Cheng
- State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
| | - Haiping Huang
- State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
| | - Lingling Li
- State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
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37
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Chandra S, Ghosh B, Beaune G, Nagarajan U, Yasui T, Nakamura J, Tsuruoka T, Baba Y, Shirahata N, Winnik FM. Functional double-shelled silicon nanocrystals for two-photon fluorescence cell imaging: spectral evolution and tuning. NANOSCALE 2016; 8:9009-19. [PMID: 27076260 DOI: 10.1039/c6nr01437b] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Functional near-IR (NIR) emitting nanoparticles (NPs) adapted for two-photon excitation fluorescence cell imaging were obtained starting from octadecyl-terminated silicon nanocrystals (ncSi-OD) of narrow photoluminescence (PL) spectra having no long emission tails, continuously tunable over the 700-1000 nm window, PL quantum yields exceeding 30%, and PL lifetimes of 300 μs or longer. These NPs, consisting of a Pluronic F127 shell and a core made up of assembled ncSi-OD kept apart by an octadecyl (OD) layer, were readily internalized into the cytosol, but not the nucleus, of NIH3T3 cells and were non-toxic. Asymmetrical field-flow fractionation (AF4) analysis was carried out to determine the size of the NPs in water. HiLyte Fluor 750 amine was linked via an amide link to NPs prepared with Pluronic-F127-COOH, as a first demonstration of functional NIR-emitting water dispersible ncSi-based nanoparticles.
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Affiliation(s)
- Sourov Chandra
- WPI International Centre for Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba 305-0044, Japan.
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38
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Jara DH, Stamplecoskie KG, Kamat PV. Two Distinct Transitions in Cu(x)InS2 Quantum Dots. Bandgap versus Sub-Bandgap Excitations in Copper-Deficient Structures. J Phys Chem Lett 2016; 7:1452-9. [PMID: 27043435 DOI: 10.1021/acs.jpclett.6b00571] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Cu-deficient CuInS2 quantum dots (QDs) synthesized by varying the [Cu]:[In] ratio allow modulation of optical properties as well as identification of the radiative emission pathways. Absorption and emission spectral features showed a strong dependence on the [Cu]:[In] ratio of CuxInS2 QDs, indicating two independent optical transitions. These effects are pronounced in transient absorption spectra. The bleaching of band edge absorption and broad tail absorption bands in the subpicosecond-nanosecond time scale provide further evidence for the dual optical transitions. The recombination process as monitored by photoemission decay indicated the involvement of surface traps in addition to the bandgap and sub-bandgap transitions. Better understanding of the origin of the optical transitions and their influence on the photodynamics will enable utilization of ternary semiconductor quantum dots in display and photovoltaic devices.
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Affiliation(s)
- Danilo H Jara
- Radiation Laboratory, Department of Chemistry and Biochemistry, University of Notre Dame , Notre Dame, Indiana 46556, United States
| | - Kevin G Stamplecoskie
- Radiation Laboratory, Department of Chemistry and Biochemistry, University of Notre Dame , Notre Dame, Indiana 46556, United States
| | - Prashant V Kamat
- Radiation Laboratory, Department of Chemistry and Biochemistry, University of Notre Dame , Notre Dame, Indiana 46556, United States
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39
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Khan TA, Wang X, Maynard JA. Inclusion of an RGD Motif Alters Invasin Integrin-Binding Affinity and Specificity. Biochemistry 2016; 55:2078-90. [DOI: 10.1021/acs.biochem.5b01243] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tarik A. Khan
- Departments of Chemical Engineering and ‡Biochemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Xianzhe Wang
- Departments of Chemical Engineering and ‡Biochemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Jennifer A. Maynard
- Departments of Chemical Engineering and ‡Biochemistry, University of Texas at Austin, Austin, Texas 78712, United States
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40
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Zhou J, Yang Y, Zhang CY. Toward Biocompatible Semiconductor Quantum Dots: From Biosynthesis and Bioconjugation to Biomedical Application. Chem Rev 2015; 115:11669-717. [DOI: 10.1021/acs.chemrev.5b00049] [Citation(s) in RCA: 472] [Impact Index Per Article: 52.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Juan Zhou
- State
Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yong Yang
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Chun-yang Zhang
- College
of Chemistry, Chemical Engineering and Materials Science, Collaborative
Innovation Center of Functionalized Probes for Chemical Imaging in
Universities of Shandong, Key Laboratory of Molecular and Nano Probes,
Ministry of Education, Shandong Provincial Key Laboratory of Clean
Production of Fine Chemicals, Shandong Normal University, Jinan 250014, China
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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41
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Liu X, Hummon AB. Mass spectrometry imaging of therapeutics from animal models to three-dimensional cell cultures. Anal Chem 2015; 87:9508-19. [PMID: 26084404 PMCID: PMC4766864 DOI: 10.1021/acs.analchem.5b00419] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Mass spectrometry imaging (MSI) is a powerful label-free technique for the investigation of the spatial distribution of molecules at complex surfaces and has been widely used in the pharmaceutical sciences to understand the distribution of different drugs and their metabolites in various biological samples, ranging from cell-based models to tissues. Here, we review the current applications of MSI for drug studies in animal models, followed by a discussion of the novel advances of MSI in three-dimensional (3D) cell cultures for accurate, efficient, and high-throughput analyses to evaluate therapeutics.
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Affiliation(s)
- Xin Liu
- Department of Chemistry and Biochemistry, Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA
| | - Amanda B. Hummon
- Department of Chemistry and Biochemistry, Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA
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42
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Debnath T, Maiti S, Maity P, Ghosh HN. Subpicosecond Exciton Dynamics and Biexcitonic Feature in Colloidal CuInS2 Nanocrystals: Role of In-Cu Antisite Defects. J Phys Chem Lett 2015; 6:3458-65. [PMID: 26273721 DOI: 10.1021/acs.jpclett.5b01767] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Charge carrier dynamics of multinary quantum dots like CuInS2 (CIS) nanocrystals (NCs) is not clearly understood, especially in ultrafast time scales. Herein we have synthesized colloidal CIS NCs that show defect-induced emission between donor (antisite) and acceptor (internal/surface) states as indicated from steady-state and time-resolved photoluminescence (PL) measurements. Subpicosecond transient absorption (TA) spectra of CIS NCs reveal a gradient of electronic states that exists above the conduction band edge. The electron cooling rate has been determined to be ∼0.1-0.15 eV/ps. The cascade of electron cooling dynamics was monitored after following the TA kinetics at different electronic states. Interestingly, the kinetics at the antisite state unveil a biexcitonic feature, which has been enlightened through a probe-induced biexciton mechanism. With progressively higher fluence (⟨N⟩), the biexciton binding energy increases, and the electron cooling to the antisite state considerably slows down. Extra energy released during Auger recombination of bi/multiexcitons are used to re-excite the electron to a further high energy level, resulting in longer electron cooling time to the antisite states.
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Affiliation(s)
- Tushar Debnath
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre , Mumbai 400085, India
| | - Sourav Maiti
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre , Mumbai 400085, India
| | - Partha Maity
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre , Mumbai 400085, India
| | - Hirendra N Ghosh
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre , Mumbai 400085, India
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43
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Zheng Z, Liu M, Guo S, Wu J, Lu D, Li G, Liu S, Wang X, Kaplan DL. Incorporation of quantum dots in silk biomaterials for fluorescence imaging. J Mater Chem B 2015; 3:6509-6519. [PMID: 26257913 PMCID: PMC4527682 DOI: 10.1039/c5tb00326a] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Tracking the distribution and degradation of biomaterials after in vivo implantation or injection is important for tissue engineering and drug delivery. Intrinsic and externally labeled fluorescence has been widely used for these purposes. In the present study, 3-mercaptopropionic acid (MPA)-coated CdTe quantum dots (QDs) were incorporated into silk materials via strong interactions between QDs and silk, likely involving the hydrophobic beta-sheet structures in silk. MPA-QDs were pre-mixed with silk solution, followed by ultrasonication to induce silk gelation or by blending with polyvinyl alcohol (PVA) to generate silk microspheres. Silk structural changes and hydrogel/microsphere morphologies were examined by ATR-FTIR and SEM, respectively. The fluorescence of QDs-incorporated silk hydrogels and microspheres remained stable in PBS pH 7.4 for more than 4 days. The amount of QDs released from the materials during the incubation was dependent on loading; no QDs were released when loading was below 0.026 nmol/mg silk. After subcutaneous injection in mice, the fluorescence of QDs-incorporated silk microspheres was quenched within 24 h, similar to that of free QDs. In contrast, the QDs-incorporated silk hydrogels fluoresced for more than 4 days in vivo.
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Affiliation(s)
- Z.Z. Zheng
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - M. Liu
- The Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, Soochow University, Suzhou, China 215123
| | - S.Z. Guo
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - J.B. Wu
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - D.S. Lu
- College of Chemical Engineering and Material Chemistry, Heilong jiang University, Harbin, China 150086
| | - G. Li
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - S.S. Liu
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - X.Q. Wang
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
| | - D. L. Kaplan
- National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, China 215123
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, USA 02155
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44
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Massey M, Wu M, Conroy EM, Algar WR. Mind your P's and Q's: the coming of age of semiconducting polymer dots and semiconductor quantum dots in biological applications. Curr Opin Biotechnol 2015; 34:30-40. [DOI: 10.1016/j.copbio.2014.11.006] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 11/06/2014] [Indexed: 01/15/2023]
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45
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Xiang X, Shi J, Huang F, Zheng M, Deng Q. Quantum dots-based label-free fluorescence sensor for sensitive and non-enzymatic detection of caffeic acid. Talanta 2015; 141:182-7. [PMID: 25966400 DOI: 10.1016/j.talanta.2015.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 03/26/2015] [Accepted: 04/02/2015] [Indexed: 02/04/2023]
Abstract
We have developed a label-free fluorescence sensor for caffeic acid (CA) by the use of CdTe:Zn(2+) quantum dots (CdTe:Zn(2+) QDs) as an output signal. The principle of sensor is based on the fluorescence quenching and binding properties of Fe(2+) toward QDs and CA, respectively. To provide a fluorescence turn-on mode for CA detection, Fe(2+) is first mixed with QDs solution, leading to a low fluorescence emission. With the addition of CA, the fluorescence of QDs is recovered due to the strong binding interaction between CA and Fe(2+). Thus, a QDs-based label-free fluorescence sensor, designed in a simple mix-and-detect format, is established for CA detection. This study demonstrated here not only offers simple, sensitive and non-enzymatic detection method for CA, but also brings to light a new application of QDs in the food analysis.
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Affiliation(s)
- Xia Xiang
- Department of Product Processing and Nutriology, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Ministry of Agriculture Key Laboratory of Oil Crops Biology, Wuhan 430062, China
| | - Jianbin Shi
- Institute of Agro-Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, Hubei Province, China
| | - Fenghong Huang
- Department of Product Processing and Nutriology, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Ministry of Agriculture Key Laboratory of Oil Crops Biology, Wuhan 430062, China.
| | - Mingming Zheng
- Department of Product Processing and Nutriology, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Ministry of Agriculture Key Laboratory of Oil Crops Biology, Wuhan 430062, China
| | - Qianchun Deng
- Department of Product Processing and Nutriology, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Ministry of Agriculture Key Laboratory of Oil Crops Biology, Wuhan 430062, China
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46
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Sun J, Ikezawa M, Wang X, Jing P, Li H, Zhao J, Masumoto Y. Photocarrier recombination dynamics in ternary chalcogenide CuInS2 quantum dots. Phys Chem Chem Phys 2015; 17:11981-9. [DOI: 10.1039/c5cp00034c] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photocarrier recombination dynamics in ternary chalcogenide CuInS2 quantum dots (CIS QDs) was studied by means of femtosecond transient-absorption (TA) and nanosecond time-resolved photoluminescence (PL) spectroscopy.
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Affiliation(s)
- Jianhui Sun
- State Key Laboratory of Luminescence and Applications
- Changchun Institute of Optics, Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun 130033
- China
| | - Michio Ikezawa
- Institute of Physics
- University of Tsukuba
- Tsukuba 305-8571
- Japan
| | - Xiuying Wang
- State Key Laboratory of Luminescence and Applications
- Changchun Institute of Optics, Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun 130033
- China
| | - Pengtao Jing
- State Key Laboratory of Luminescence and Applications
- Changchun Institute of Optics, Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun 130033
- China
| | - Haibo Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Jialong Zhao
- State Key Laboratory of Luminescence and Applications
- Changchun Institute of Optics, Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun 130033
- China
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47
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Choi HS, Kim Y, Park JC, Oh MH, Jeon DY, Nam YS. Highly luminescent, off-stoichiometric CuxInyS2/ZnS quantum dots for near-infrared fluorescence bio-imaging. RSC Adv 2015. [DOI: 10.1039/c5ra06912b] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We synthesized highly luminescent, NIR-emitting copper–indium–sulfur/zinc sulfide (CIS/ZnS) core–shell QDs with a high photoluminescence quantum yield (about 60%) using a heating up method.
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Affiliation(s)
- Hyung Seok Choi
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
| | - Youngsun Kim
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
| | - Jae Chul Park
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
| | - Mi Hwa Oh
- Department of Biological Sciences
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
| | - Duk Young Jeon
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
- KAIST Institute for NanoCentury (CNiT)
| | - Yoon Sung Nam
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology
- Daejeon
- Republic of Korea
- Department of Biological Sciences
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48
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Near-IR Triggered Photon Upconversion. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/b978-0-444-63481-8.00273-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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49
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Zhang B, Wang Y, Yang C, Hu S, Gao Y, Zhang Y, Wang Y, Demir HV, Liu L, Yong KT. The composition effect on the optical properties of aqueous synthesized Cu–In–S and Zn–Cu–In–S quantum dot nanocrystals. Phys Chem Chem Phys 2015; 17:25133-41. [DOI: 10.1039/c5cp03312h] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The relationship between the optical properties and the compositional variation was investigated in aqueous synthesized Cu–In–S and Zn–Cu–In–S QDs.
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Affiliation(s)
- Butian Zhang
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Yucheng Wang
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Chengbin Yang
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Siyi Hu
- Changchun University of Science and Technology
- Changchun
- P. R. China
| | - Yuan Gao
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Yiping Zhang
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Yue Wang
- Changchun University of Science and Technology
- Changchun
- P. R. China
| | - Hilmi Volkan Demir
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Liwei Liu
- Changchun University of Science and Technology
- Changchun
- P. R. China
| | - Ken-Tye Yong
- School of Electrical and Electronic Engineering
- Nanyang Technological University
- Singapore 639798
- Singapore
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50
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Hua J, Cheng H, Yuan X, Zhang Y, Liu M, Meng X, Li H, Zhao J. Photoluminescence quenching and electron transfer in CuInS2/ZnS core/shell quantum dot and FePt nanoparticle blend films. RSC Adv 2015. [DOI: 10.1039/c5ra04542h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The photoluminescence (PL) quenching of CuInS2/ZnS quantum dots (QDs) in blend films with FePt magnetic nanoparticles (MNs) was studied by steady-state and time-resolved PL spectroscopy.
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Affiliation(s)
- Jie Hua
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
| | - Haibo Cheng
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Xi Yuan
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Yan Zhang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Mei Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Xiangdong Meng
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
| | - Haibo Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
| | - Jialong Zhao
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- China
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