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Mo F, Zhou P, Lin S, Zhong J, Wang Y. A Review of Conductive Hydrogel-Based Wearable Temperature Sensors. Adv Healthc Mater 2024:e2401503. [PMID: 38857480 DOI: 10.1002/adhm.202401503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/04/2024] [Indexed: 06/12/2024]
Abstract
Conductive hydrogel has garnered significant attention as an emergent candidate for diverse wearable sensors, owing to its remarkable and tailorable properties such as flexibility, biocompatibility, and strong electrical conductivity. These attributes make it highly suitable for various wearable sensor applications (e.g., biophysical, bioelectrical, and biochemical sensors) that can monitor human health conditions and provide timely interventions. Among these applications, conductive hydrogel-based wearable temperature sensors are especially important for healthcare and disease surveillance. This review aims to provide a comprehensive overview of conductive hydrogel-based wearable temperature sensors. First, this work summarizes different types of conductive fillers-based hydrogel, highlighting their recent developments and advantages as wearable temperature sensors. Next, this work discusses the sensing characteristics of conductive hydrogel-based wearable temperature sensors, focusing on sensitivity, dynamic stability, stretchability, and signal output. Then, state-of-the-art applications are introduced, ranging from body temperature detection and wound temperature detection to disease monitoring. Finally, this work identifies the remaining challenges and prospects facing this field. By addressing these challenges with potential solutions, this review hopes to shed some light on future research and innovations in this promising field.
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Affiliation(s)
- Fan Mo
- Department of Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, 241 Daxue Road, Shantou, Guangdong, 515063, China
| | - Pengcheng Zhou
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology, 241 Daxue Road, Shantou, Guangdong, 515063, China
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa, 3200003, Israel
| | - Shihong Lin
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology, 241 Daxue Road, Shantou, Guangdong, 515063, China
| | - Junwen Zhong
- Department of Electromechanical Engineering, University of Macau, Macau, 999078, China
| | - Yan Wang
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology, 241 Daxue Road, Shantou, Guangdong, 515063, China
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa, 3200003, Israel
- Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion, Guangdong Technion-Israel Institute of Technology, 241 Daxue Road, Shantou, Guangdong, 515063, China
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Abdel Aziz I, Gladisch J, Griggs S, Moser M, Biesmans H, Beloqui A, McCulloch I, Berggren M, Stavrinidou E. Drug delivery via a 3D electro-swellable conjugated polymer hydrogel. J Mater Chem B 2024; 12:4029-4038. [PMID: 38586978 DOI: 10.1039/d3tb02592f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Spatiotemporal controlled drug delivery minimizes side-effects and enables therapies that require specific dosing patterns. Conjugated polymers (CP) can be used for electrically controlled drug delivery; however so far, most demonstrations were limited to molecules up to 500 Da. Larger molecules could be incorporated only during the CP polymerization and thus limited to a single delivery. This work harnesses the record volume changes of a glycolated polythiophene p(g3T2) for controlled drug delivery. p(g3T2) undergoes reversible volumetric changes of up to 300% during electrochemical doping, forming pores in the nm-size range, resulting in a conducting hydrogel. p(g3T2)-coated 3D carbon sponges enable controlled loading and release of molecules spanning molecular weights of 800-6000 Da, from simple dyes up to the hormone insulin. Molecules are loaded as a combination of electrostatic interactions with the charged polymer backbone and physical entrapment in the porous matrix. Smaller molecules leak out of the polymer while larger ones could not be loaded effectively. Finally, this work shows the temporally patterned release of molecules with molecular weight of 1300 Da and multiple reloading and release cycles without affecting the on/off ratio.
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Affiliation(s)
- Ilaria Abdel Aziz
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, Donostia-San Sebastian, 20018, Gipuzkoa, Spain
| | - Johannes Gladisch
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.
| | - Sophie Griggs
- Department of Chemistry, Oxford University, Oxford, UK
| | | | - Hanne Biesmans
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.
| | - Ana Beloqui
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018, Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, Bilbao, 48009, Spain
| | | | - Magnus Berggren
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.
| | - Eleni Stavrinidou
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden.
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Nottelet B, Buwalda S, van Nostrum CF, Zhao X, Deng C, Zhong Z, Cheah E, Svirskis D, Trayford C, van Rijt S, Ménard-Moyon C, Kumar R, Kehr NS, de Barros NR, Khademhosseini A, Kim HJ, Vermonden T. Roadmap on multifunctional materials for drug delivery. JPHYS MATERIALS 2024; 7:012502. [PMID: 38144214 PMCID: PMC10734278 DOI: 10.1088/2515-7639/ad05e8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 09/29/2023] [Accepted: 10/23/2023] [Indexed: 12/26/2023]
Abstract
This Roadmap on drug delivery aims to cover some of the most recent advances in the field of materials for drug delivery systems (DDSs) and emphasizes the role that multifunctional materials play in advancing the performance of modern DDSs in the context of the most current challenges presented. The Roadmap is comprised of multiple sections, each of which introduces the status of the field, the current and future challenges faced, and a perspective of the required advances necessary for biomaterial science to tackle these challenges. It is our hope that this collective vision will contribute to the initiation of conversation and collaboration across all areas of multifunctional materials for DDSs. We stress that this article is not meant to be a fully comprehensive review but rather an up-to-date snapshot of different areas of research, with a minimal number of references that focus upon the very latest research developments.
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Affiliation(s)
- Benjamin Nottelet
- IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France
- Department of Pharmacy, Nîmes University Hospital, Univ Montpellier, 30900 Nimes, France
| | - Sytze Buwalda
- MINES Paris, PSL University, Center for Materials Forming, 06904 Sophia Antipolis, France
| | | | - Xiaofei Zhao
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215123, People’s Republic of China
| | - Chao Deng
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215123, People’s Republic of China
| | - Zhiyuan Zhong
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215123, People’s Republic of China
| | - Ernest Cheah
- School of Pharmacy, University of Auckland, 85 Park Road, Grafton, Auckland 1023, New Zealand
| | - Darren Svirskis
- School of Pharmacy, University of Auckland, 85 Park Road, Grafton, Auckland 1023, New Zealand
| | - Chloe Trayford
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
| | - Sabine van Rijt
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
| | - Cécilia Ménard-Moyon
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, 67000 Strasbourg, France
| | - Ravi Kumar
- Physikalisches Institute and Center of Soft Nanoscience, University of Münster, Münster, Germany
| | - Nermin Seda Kehr
- Physikalisches Institute and Center of Soft Nanoscience, University of Münster, Münster, Germany
- Department of Chemistry, Izmir Institute of Technology, Izmir, Turkey
| | - Natan Roberto de Barros
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90274, United States of America
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90274, United States of America
| | - Han-Jun Kim
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90274, United States of America
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Tina Vermonden
- Utrecht Institute for Pharmaceutical Sciences, Utrecht,The Netherlands
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4
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Alkahtani ME, Elbadawi M, Chapman CAR, Green RA, Gaisford S, Orlu M, Basit AW. Electroactive Polymers for On-Demand Drug Release. Adv Healthc Mater 2024; 13:e2301759. [PMID: 37861058 DOI: 10.1002/adhm.202301759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/16/2023] [Indexed: 10/21/2023]
Abstract
Conductive materials have played a significant role in advancing society into the digital era. Such materials are able to harness the power of electricity and are used to control many aspects of daily life. Conductive polymers (CPs) are an emerging group of polymers that possess metal-like conductivity yet retain desirable polymeric features, such as processability, mechanical properties, and biodegradability. Upon receiving an electrical stimulus, CPs can be tailored to achieve a number of responses, such as harvesting energy and stimulating tissue growth. The recent FDA approval of a CP-based material for a medical device has invigorated their research in healthcare. In drug delivery, CPs can act as electrical switches, drug release is achieved at a flick of a switch, thereby providing unprecedented control over drug release. In this review, recent developments in CP as electroactive polymers for voltage-stimuli responsive drug delivery systems are evaluated. The review demonstrates the distinct drug release profiles achieved by electroactive formulations, and both the precision and ease of stimuli response. This level of dynamism promises to yield "smart medicines" and warrants further research. The review concludes by providing an outlook on electroactive formulations in drug delivery and highlighting their integral roles in healthcare IoT.
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Affiliation(s)
- Manal E Alkahtani
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, Alkharj, 11942, Saudi Arabia
| | - Moe Elbadawi
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, E1 4NS, UK
| | - Christopher A R Chapman
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
- Centre for Bioengineering, School of Engineering and Materials Science, Queen Mary University of London, London, E1 4NS, UK
| | - Rylie A Green
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Simon Gaisford
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Mine Orlu
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Abdul W Basit
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK
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Sehgal V, Pandey SP, Singh PK. Prospects of charged cyclodextrins in biomedical applications. Carbohydr Polym 2024; 323:121348. [PMID: 37940240 DOI: 10.1016/j.carbpol.2023.121348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/26/2023] [Accepted: 08/28/2023] [Indexed: 11/10/2023]
Abstract
Cyclodextrins (CDs), recognized for their unique ability to form inclusion complexes, have seen broad utilization across various scientific fields. Recently, there has been a surge of interest in the use of charged cyclodextrins for biomedical applications, owing to their enhanced properties, such as superior solubility and improved molecular recognition compared to neutral CDs. Despite the growing literature, a comprehensive review of the biomedical utilisations of multi-charged cyclodextrins is scarce. This review provides a comprehensive exploration of the emerging prospects of charged cyclodextrin-based assemblies in the field of biomedical applications. Focusing on drug delivery systems, the review details how charged CDs enhance drug solubility and stability, reduce toxicity, and enable targeted and controlled drug release. Furthermore, the review highlights the role of charged CDs in gene therapy, notably their potential for DNA/RNA binding, cellular uptake, degradation protection, and targeted gene delivery. The promising potential of charged CDs in antibacterial and antiviral therapies, including photodynamic therapies, biofilm control, and viral replication inhibition, is discussed. Concluding with a future outlook, this review highlights the potential challenges and advancements that could propel charged CDs to the forefront of biomedicine.
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Affiliation(s)
- Vidhi Sehgal
- Department of Biotechnology, Mithibai College of Arts, Chauhan Institute of Science & Amrutben Jivanlal College of Commerce and Economics, Vile Parle (W), 400 056, India
| | - Shrishti P Pandey
- Department of Biotechnology, Mithibai College of Arts, Chauhan Institute of Science & Amrutben Jivanlal College of Commerce and Economics, Vile Parle (W), 400 056, India
| | - Prabhat K Singh
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India; Homi Bhabha National Institute, Anushaktinagar, Mumbai 400085, India.
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Ma Y, Zhang Z, Sun F, Mesdom P, Ji X, Burckel P, Gasser G, Li MH. Red-Light-Responsive Polypeptoid Nanoassemblies Containing a Ruthenium(II) Polypyridyl Complex with Synergistically Enhanced Drug Release and ROS Generation for Anticancer Phototherapy. Biomacromolecules 2023; 24:5940-5950. [PMID: 38033171 DOI: 10.1021/acs.biomac.3c00949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Polymer micelles/vesicles made of a red-light-responsive Ru(II)-containing block copolymer (PolyRu) are elaborated as a model system for anticancer phototherapy. PolyRu is composed of PEG and a hydrophobic polypeptoid bearing thioether side chains, 40% of which are coordinated with [Ru(2,2':6',2″-terpyridine)(2,2'-biquinoline)](PF6)2 via the Ru-S bond, resulting in a 67 wt % Ru complex loading capacity. Red-light illumination induces the photocleavage of the Ru-S bond and produces [Ru(2,2':6',2″-terpyridine)(2,2'-biquinoline)(H2O)](PF6)2. Meanwhile, ROS are generated under the photosensitization of the Ru complex and oxidize hydrophobic thioether to hydrophilic sulfoxide, causing the disruption of micelles/vesicles. During the disruption, ROS generation and Ru complex release are synergistically enhanced. PolyRu micelles/vesicles are taken up by cancer cells while they exhibit very low cytotoxicity in the dark. In contrast, they show much higher cytotoxicity under red-light irradiation. PolyRu micelles/vesicles are promising nanoassembly prototypes that protect metallodrugs in the dark but exhibit light-activated anticancer effects with spatiotemporal control for photoactivated chemotherapy and photodynamic therapy.
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Affiliation(s)
- Yandong Ma
- Chimie ParisTech, CNRS, Institut de Recherche de Chimie Paris, PSL University, 75005 Paris, France
| | - Zhihua Zhang
- Chimie ParisTech, CNRS, Institut de Recherche de Chimie Paris, PSL University, 75005 Paris, France
| | - Fan Sun
- Chimie ParisTech, CNRS, Institut de Recherche de Chimie Paris, PSL University, 75005 Paris, France
| | - Pierre Mesdom
- Chimie ParisTech, Laboratory for Inorganic Chemistry, CNRS, Institute of Chemistry for Life and Health Sciences, PSL University, 75005, Paris, France
| | - Xin Ji
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Pierre Burckel
- CNRS, Institut de Physique du Globe de Paris, Université Paris-Cité, 75005 Paris, France
| | - Gilles Gasser
- Chimie ParisTech, Laboratory for Inorganic Chemistry, CNRS, Institute of Chemistry for Life and Health Sciences, PSL University, 75005, Paris, France
| | - Min-Hui Li
- Chimie ParisTech, CNRS, Institut de Recherche de Chimie Paris, PSL University, 75005 Paris, France
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7
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Golba S, Loskot J. The Alphabet of Nanostructured Polypyrrole. MATERIALS (BASEL, SWITZERLAND) 2023; 16:7069. [PMID: 38004999 PMCID: PMC10672593 DOI: 10.3390/ma16227069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/25/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023]
Abstract
This review is devoted to polypyrrole and its morphology, which governs the electroactivity of the material. The macroscopic properties of the material are strictly relevant to microscopic ordering observed at the local level. During the synthesis, various (nano)morphologies can be produced. The formation of the ordered structure is dictated by the ability of the local forces and effects to induce restraints that help shape the structure. This review covers the aspects of morphology and roughness and their impact on the final properties of the modified electrode activity in selected applications.
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Affiliation(s)
- Sylwia Golba
- Institute Materials Engineering, University of Silesia, 75 Pulku Piechoty Street 1A, 41-500 Chorzow, Poland
| | - Jan Loskot
- Department of Physics, Faculty of Science, University of Hradec Králové, Rokitanského 62, 500 03 Hradec Králové, Czech Republic;
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Valizadeh A, Asghari S, Abbaspoor S, Jafari A, Raeisi M, Pilehvar Y. Implantable smart hyperthermia nanofibers for cancer therapy: Challenges and opportunities. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1909. [PMID: 37258422 DOI: 10.1002/wnan.1909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/16/2023] [Accepted: 04/07/2023] [Indexed: 06/02/2023]
Abstract
Nanofibers (NFs) with practical drug-loading capacities, high stability, and controllable release have caught the attention of investigators due to their potential applications in on-demand drug delivery devices. Developing novel and efficient multidisciplinary management of locoregional cancer treatment through the design of smart NF-based systems integrated with combined chemotherapy and hyperthermia could provide stronger therapeutic advantages. On the other hand, implanting directly at the tumor area is a remarkable benefit of hyperthermia NF-based drug delivery approaches. Hence, implantable smart hyperthermia NFs might be very hopeful for tumor treatment in the future and provide new avenues for developing highly efficient localized drug delivery systems. Indeed, features of the smart NFs lead to the construction of a reversibly flexible nanostructure that enables hyperthermia and facile switchable release of antitumor agents to eradicate cancer cells. Accordingly, this study covers recent updates on applications of implantable smart hyperthermia NFs regarding their current scope and future outlook. This article is categorized under: Implantable Materials and Surgical Technologies > Nanomaterials and Implants.
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Affiliation(s)
- Amir Valizadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samira Asghari
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Saleheh Abbaspoor
- Chemical Engineering Department, School of Engineering, Damghan University, Damghan, Iran
| | - Abbas Jafari
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Mortaza Raeisi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Younes Pilehvar
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
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Kiwumulo HF, Muwonge H, Ibingira C, Lubwama M, Kirabira JB, Ssekitoleko RT. A di-electrophoretic simulation procedure of iron-oxide micro-particle drug attachment system for leukemia treatment using COMSOL software: a potential treatment reference for LMICs. FRONTIERS IN MEDICAL TECHNOLOGY 2023; 5:1250964. [PMID: 37901748 PMCID: PMC10602814 DOI: 10.3389/fmedt.2023.1250964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/29/2023] [Indexed: 10/31/2023] Open
Abstract
Background Leukemia encompasses various subtypes, each with unique characteristics and treatment approaches. The challenge lies in developing targeted therapies that can effectively address the specific genetic mutations or abnormalities associated with each subtype. Some leukemia cases may become resistant to existing treatments over time making them less susceptible to chemotherapy or other standard therapies. Objective Developing new treatment strategies to overcome resistance is an ongoing challenge particularly in Low and Middle Income Countries (LMICs). Computational studies using COMSOL software could provide an economical, fast and resourceful approach to the treatment of complicated cancers like leukemia. Methods Using COMSOL Multiphysics software, a continuous flow microfluidic device capable of delivering anti-leukemia drugs to early-stage leukemia cells has been computationally modeled using dielectrophoresis (DEP). Results The cell size difference enabled the micro-particle drug attachment to the leukemia cells using hydrodynamic focusing from the dielectrophoretic force. This point of care application produced a low voltage from numerically calculated electrical field and flow speed simulations. Conclusion Therefore, such a dielectrophoretic low voltage application model can be used as a computational treatment reference for early-stage leukemia cells with an approximate size of 5 μm.
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Affiliation(s)
- Henry Fenekansi Kiwumulo
- Department of Medical Physiology, Biomedical Engineering Program, Makerere University, Kampala, Uganda
| | - Haruna Muwonge
- Department of Medical Physiology, Biomedical Engineering Program, Makerere University, Kampala, Uganda
- Habib Medical School, Islamic University in Uganda (IUIU), Kampala, Uganda
| | - Charles Ibingira
- Department of Human Anatomy, Makerere University, Kampala, Uganda
| | - Michael Lubwama
- Department of Mechanical Engineering, Makerere University, Kampala, Uganda
| | | | - Robert Tamale Ssekitoleko
- Department of Medical Physiology, Biomedical Engineering Program, Makerere University, Kampala, Uganda
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Pagar SB, Ghorude TN, Nikolova MP, SenthilKannan K. Synthesis, physical, chemical, biological, mechanical and electronic studies of polypyrrole (PPy) of versatile scales for electro-mechano, pharmaceutical utilities. Heliyon 2023; 9:e20086. [PMID: 37809715 PMCID: PMC10559841 DOI: 10.1016/j.heliyon.2023.e20086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/24/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023] Open
Abstract
The Polypyrrole is properly synthesized with the customary ammonium persulphate as an oxidizing agent. The number of reactions for versatile molar ratios (oxidant: monomer) is addressed and pronounced. Powder X-ray diffraction (XRD) analysis revealed the material amorphous nature by wide peak from 20° to 30°. As the molar ratio is changed, the Fourier Transform Infra Red (FTIR) spectrum shows the substantiation of functional groups and peaks are shifted for each specimen slightly. UV-visible spectral study shows a major peak at 320 nm, for typical π-π* transitions. Scanning Electron Microscopic (SEM) study confirmed the agglomerated polypyrrole sample for the surface morphological periphery. It is enabled for electronic filter influx property with versatile macro scale in microns as 3.7874, Polypyrrole is tried for electronic filters as the influx in microns of different scales. Hardness profile for RISE effectiveness and in the biomedical sector as a better anti-diabetic agent by IC-50 values. The hardness value for Vicker's scale of 100 g is 97.9 kg/mm2.
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Affiliation(s)
- Sahebrao B. Pagar
- Department of Physics, G.E. Society's HPT Arts and RYK Science College, Nashik, 422 005, Maharashtra, India
| | - Tatyarao N. Ghorude
- Department of Physics, G.E. Society's N. B. Mehta (Valwada) Science College, Bordi, 401 701, Maharashtra, India
| | - Maria P. Nikolova
- Department of Material Science and Technology, University of Ruse “A. Kanchev”, 8 Studentska Str., 7000, Ruse, Bulgaria
| | - K. SenthilKannan
- Department of Physics, Saveetha School of Engineering, SIMATS, Chennai, 602 105, Tamilnadu, India
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Khrystonko O, Rimpelová S, Burianová T, Švorčík V, Lyutakov O, Elashnikov R. Smart multi stimuli-responsive electrospun nanofibers for on-demand drug release. J Colloid Interface Sci 2023; 648:338-347. [PMID: 37301158 DOI: 10.1016/j.jcis.2023.05.181] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/25/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
Here, we report poly(N-isopropylacrylamide-co-acrylic acid) (PNIPAm-co-AAc) microgel-loaded polycaprolactone (PCL) nanofibers as temperature-, pH- and electro-responsive materials. First, the PNIPAm-co-AAc microgels were prepared by precipitation polymerization and then electrospun with PCL. The morphology of the prepared materials, analysed by scanning electron microscopy, showed a narrow nanofiber distribution in the range of 500-800 nm, depending on microgel content. Refractometry measurements, performed at pH4 and 6.5, as well as in distilled water, indicated the thermo- and pH-responsive behaviour of the nanofibers between 31 and 34 °C. After being thoroughly characterized, the prepared nanofibers were loaded with crystal violet (CV) or gentamicin as model drugs. The application of a pulsed voltage led to a pronounced increase in drug release kinetics, which was also dependent on microgel content. In addition, long-term temperature- and pH-responsive release was demonstrated. Next, the prepared materials displayed switchable antibacterial activity against S. aureus and E. coli. Finally, cell compatibility tests showed that NIH 3T3 fibroblasts spread evenly over the nanofiber surface, confirming that the nanofibers serve as a favourable support for cell growth. Overall, the prepared nanofibers offer switchable drug release and appear to have considerable biomedical potential, particularly in wound healing.
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Affiliation(s)
- Olena Khrystonko
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic
| | - Terezie Burianová
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic
| | - Václav Švorčík
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic
| | - Oleksiy Lyutakov
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic
| | - Roman Elashnikov
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, The Czech Republic.
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12
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Self-assembled quantum dots decorated Polypyrrole based multifunctional nanocomposite. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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13
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Hughes KA, Misra B, Maghareh M, Bobbala S. Use of stimulatory responsive soft nanoparticles for intracellular drug delivery. NANO RESEARCH 2023; 16:6974-6990. [PMID: 36685637 PMCID: PMC9840428 DOI: 10.1007/s12274-022-5267-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 05/24/2023]
Abstract
Drug delivery has made tremendous advances in the last decade. Targeted therapies are increasingly common, with intracellular delivery highly impactful and sought after. Intracellular drug delivery systems have limitations due to imprecise and non-targeted release profiles. One way this can be addressed is through using stimuli-responsive soft nanoparticles, which contain materials with an organic backbone such as lipids and polymers. The choice of biomaterial is essential for soft nanoparticles to be responsive to internal or external stimuli. The nanoparticle must retain its integrity and payload in non-targeted physiological conditions while responding to particular intracellular environments where payload release is desired. Multiple internal and external factors could stimulate the intracellular release of drugs from nanoparticles. Internal stimuli include pH, oxidation, and enzymes, while external stimuli include ultrasound, light, electricity, and magnetic fields. Stimulatory responsive soft nanoparticulate systems specifically utilized to modulate intracellular delivery of drugs are explored in this review.
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Affiliation(s)
- Krystal A. Hughes
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26505 USA
| | - Bishal Misra
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26505 USA
| | - Maryam Maghareh
- Department of Clinical Pharmacy, West Virginia University School of Pharmacy, Morgantown, WV 26505 USA
| | - Sharan Bobbala
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26505 USA
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Ham J, Park S, Jeon N. Conductive Polyaniline-Indium Oxide Composite Films Prepared by Sequential Infiltration Synthesis for Electrochemical Energy Storage. ACS OMEGA 2023; 8:946-953. [PMID: 36643492 PMCID: PMC9835541 DOI: 10.1021/acsomega.2c06309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Composites of conductive polymers (CP) and metal oxides (MO) have attracted continued interest in the past decade for diverse application fields because the synergistic effects of CP and MO enable the realization of unusual electronic, electrochemical, catalytic, and mechanical properties of the composites. Herein, we present a novel method for the sequential infiltration synthesis of composite films of polyaniline (PANI) and indium oxide (InO x ) with high electrical conductivities (4-9 S/cm). The synthesized composite films were composed of two phases of graded concentration: InO x with oxygen vacancies and PANI with partially protonated molecular units. The PANI-InO x composite films displayed enhanced electrochemical activity with a pair of well-defined redox peaks. The open interfacial regions between the InO x and PANI phases may provide efficient pathways for ion diffusion and active sites for improved charge transfer.
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15
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Aram E, Moeni M, Abedizadeh R, Sabour D, Sadeghi-Abandansari H, Gardy J, Hassanpour A. Smart and Multi-Functional Magnetic Nanoparticles for Cancer Treatment Applications: Clinical Challenges and Future Prospects. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12203567. [PMID: 36296756 PMCID: PMC9611246 DOI: 10.3390/nano12203567] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/16/2022] [Accepted: 09/27/2022] [Indexed: 05/14/2023]
Abstract
Iron oxide nanoparticle (IONPs) have become a subject of interest in various biomedical fields due to their magnetism and biocompatibility. They can be utilized as heat mediators in magnetic hyperthermia (MHT) or as contrast media in magnetic resonance imaging (MRI), and ultrasound (US). In addition, their high drug-loading capacity enabled them to be therapeutic agent transporters for malignancy treatment. Hence, smartening them allows for an intelligent controlled drug release (CDR) and targeted drug delivery (TDD). Smart magnetic nanoparticles (SMNPs) can overcome the impediments faced by classical chemo-treatment strategies, since they can be navigated and release drug via external or internal stimuli. Recently, they have been synchronized with other modalities, e.g., MRI, MHT, US, and for dual/multimodal theranostic applications in a single platform. Herein, we provide an overview of the attributes of MNPs for cancer theranostic application, fabrication procedures, surface coatings, targeting approaches, and recent advancement of SMNPs. Even though MNPs feature numerous privileges over chemotherapy agents, obstacles remain in clinical usage. This review in particular covers the clinical predicaments faced by SMNPs and future research scopes in the field of SMNPs for cancer theranostics.
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Affiliation(s)
- Elham Aram
- Department of Cancer Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Babol 47138-18981, Iran
- Department of Polymer Engineering, Faculty of Engineering, Golestan University, Gorgan 49188-88369, Iran
| | - Masome Moeni
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
| | - Roya Abedizadeh
- Department of Cancer Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Babol 47138-18981, Iran
| | - Davood Sabour
- Department of Cancer Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Babol 47138-18981, Iran
| | - Hamid Sadeghi-Abandansari
- Department of Cancer Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Babol 47138-18981, Iran
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 16635-148, Iran
| | - Jabbar Gardy
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
- Correspondence: (J.G.); (A.H.)
| | - Ali Hassanpour
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
- Correspondence: (J.G.); (A.H.)
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16
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Lin CH, Luo SC. Zwitterionic Conducting Polymers: From Molecular Design, Surface Modification, and Interfacial Phenomenon to Biomedical Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:7383-7399. [PMID: 35675211 DOI: 10.1021/acs.langmuir.2c00448] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Conducting polymers (CPs) have gained attention as electrode materials in bioengineering mainly because of their mechanical softness compared to conventional inorganic materials. To achieve better performance and broaden bioelectronics applications, the surface modification of soft zwitterionic polymers with antifouling properties represents a facile approach to preventing unwanted nonspecific protein adsorption and improving biocompatibility. This feature article emphasizes the antifouling properties of zwitterionic CPs, accompanied by their molecular synthesis and surface modification methods and an analysis of the interfacial phenomenon. Herein, commonly used methods for zwitterionic functionalization on CPs are introduced, including the synthesis of zwitterionic moieties on CP molecules and postsurface modification, such as the grafting of zwitterionic polymer brushes. To analyze the chain conformation, the structure of bound water in the vicinity of zwitterionic CPs and biomolecule behavior, such as protein adsorption or cell adhesion, provide critical insights into the antifouling properties. Integrating these characterization techniques offers general guidelines and paves the way for designing new zwitterionic CPs for advanced biomedical applications. Recent advances in newly designed zwitterionic CP-based electrodes have demonstrated outstanding potential in modern biomedical applications.
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Affiliation(s)
- Chia-Hsuan Lin
- Department of Materials Science and Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Shyh-Chyang Luo
- Department of Materials Science and Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes (NHRI), Miaoli County 35053, Taiwan
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Nontoxic double-network polymeric hybrid aerogel functionalized with reduced graphene oxide: Preparation, characterization, and evaluation as drug delivery agent. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02902-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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18
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Singh N, Riaz U. Recent trends on synthetic approaches and application studies of conducting polymers and copolymers: a review. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03987-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Elashnikov R, Ulbrich P, Vokatá B, Pavlíčková VS, Švorčík V, Lyutakov O, Rimpelová S. Physically Switchable Antimicrobial Surfaces and Coatings: General Concept and Recent Achievements. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3083. [PMID: 34835852 PMCID: PMC8619822 DOI: 10.3390/nano11113083] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 11/24/2022]
Abstract
Bacterial environmental colonization and subsequent biofilm formation on surfaces represents a significant and alarming problem in various fields, ranging from contamination of medical devices up to safe food packaging. Therefore, the development of surfaces resistant to bacterial colonization is a challenging and actively solved task. In this field, the current promising direction is the design and creation of nanostructured smart surfaces with on-demand activated amicrobial protection. Various surface activation methods have been described recently. In this review article, we focused on the "physical" activation of nanostructured surfaces. In the first part of the review, we briefly describe the basic principles and common approaches of external stimulus application and surface activation, including the temperature-, light-, electric- or magnetic-field-based surface triggering, as well as mechanically induced surface antimicrobial protection. In the latter part, the recent achievements in the field of smart antimicrobial surfaces with physical activation are discussed, with special attention on multiresponsive or multifunctional physically activated coatings. In particular, we mainly discussed the multistimuli surface triggering, which ensures a better degree of surface properties control, as well as simultaneous utilization of several strategies for surface protection, based on a principally different mechanism of antimicrobial action. We also mentioned several recent trends, including the development of the to-detect and to-kill hybrid approach, which ensures the surface activation in a right place at a right time.
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Affiliation(s)
- Roman Elashnikov
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (R.E.); (V.Š.)
| | - Pavel Ulbrich
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (P.U.); (B.V.); (V.S.P.)
| | - Barbora Vokatá
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (P.U.); (B.V.); (V.S.P.)
| | - Vladimíra Svobodová Pavlíčková
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (P.U.); (B.V.); (V.S.P.)
| | - Václav Švorčík
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (R.E.); (V.Š.)
| | - Oleksiy Lyutakov
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (R.E.); (V.Š.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, Prague 6, 166 28 Prague, Czech Republic; (P.U.); (B.V.); (V.S.P.)
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20
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Formulation of Boron Encapsulated Smart Nanocapsules for Targeted Drug Delivery to the Brain. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112210738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Drug delivery through the Blood–Brain Barrier (BBB) represents a significant challenge. Despite the current strategies to circumvent the BBB, nanotechnology offers unprecedented opportunities for combining selective delivery, improved bioavailability, drug protection, and enhanced pharmacokinetics profiles. Chitosan nanocarriers allow for a more efficacious strategy at the cellular and sub-cellular levels. Boron Neutron Capture Therapy (BNCT) is a targeted chemo-radiotherapeutic technique that allows the selective depletion of cancer cells by means of selective tagging of cancer cells with 10B, followed by irradiation with low-energy neutrons. Consequently, the combination of a polymer-based nanodelivery system enclosing an effective BNCT pharmacophore can potentially lead to the selective delivery of the load to cancer cells beyond the BBB. In this work, synthesized novel boronated agents based on carborane-functionalized Delocalized Lipophilic Cations (DLCs) are assessed for safety and selective targeting of tumour cells. The compounds are then encapsulated in nanocarriers constituted by chitosan to promote permeability through the BBB. Additionally, chitosan was used in combination with polypyrrole to form a smart composite nanocapsule, which is expected to release its drug load with variations in pH. Results indicate the achievement of more selective boron delivery to cells via carboranyl DLCs. Finally, preliminary cell studies indicate no toxicity was detected in chitosan nanocapsules, further enhancing its viability as a potential delivery vehicle in the BNCT of brain tumours.
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21
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Raza S, Li X, Soyekwo F, Liao D, Xiang Y, Liu C. A comprehensive overview of common conducting polymer-based nanocomposites; Recent advances in design and applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110773] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Araújo Lima EMD, Holanda VN, Ratkovski GP, Silva WVD, Nascimento PHD, Figueiredo RCBQD, de Melo CP. A new biocompatible silver/polypyrrole composite with in vitro antitumor activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112314. [PMID: 34474865 DOI: 10.1016/j.msec.2021.112314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/30/2021] [Accepted: 07/07/2021] [Indexed: 12/01/2022]
Abstract
We used an in situ chemical oxidation method to prepare a new composite of silver nanoparticles (AgNPs) with polypyrrole (PPy), whose properties were optimized through a 23-factorial design of the synthesis conditions. The successful formation of the AgNPs/PPy composite was confirmed by UV-Visible and FTIR spectroscopies. Transmission electron microscopy revealed the presence of AgNPs smaller than 100 nm, dispersed into the PPy matrix. This hybrid composite exhibits a blue fluorescence emission after excitation in the ultraviolet region. In MTT assays, the AgNPs/PPy composite exhibited low cytotoxicity toward non-tumoral cell lines (fibroblast, Vero, and macrophages) and selectively inhibited the viability of HeLa cells. The AgNPs/PPy composite induces ultrastructural changes in HeLa cells that are consistent with the noticeable selectivity exhibited toward them when compared to its action against non-tumoral cell lineages. Also, the AgNPs/PPy exhibited a hemolytic activity below 14% for all blood groups tested, at concentrations up to 125 μg/mL. These results suggest that the AgNPs/PPy composite has a promising potential for use as an antitumoral agent.
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Affiliation(s)
- Elton Marlon de Araújo Lima
- Pós-graduação em Ciência de Materiais, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
| | - Vanderlan Nogueira Holanda
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, PE, Brazil; Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Gabriela Plautz Ratkovski
- Pós-graduação em Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
| | - Welson Vicente da Silva
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Pedro Henrique do Nascimento
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Regina Celia Bressan Queiroz de Figueiredo
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Celso Pinto de Melo
- Pós-graduação em Ciência de Materiais, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil.
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23
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Abioye A, Naqvi M, Pattni D, Adepoju-Bello AA. Non-intuitive Behavior of Polymer-Ciprofloxacin Nanoconjugate Suspensions: a Tool for Flexible Oral Drug Delivery. AAPS PharmSciTech 2021; 22:229. [PMID: 34467444 DOI: 10.1208/s12249-021-02105-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 07/31/2021] [Indexed: 12/20/2022] Open
Abstract
Ciprofloxacin (CPX) is prone to spontaneous self-aggregation and formation of supramolecular dimers (π - π stacking) due to its complicated surface chemistry which has been associated with its anomalous solubility and instability in aqueous systems particularly near neutral pH. The surface characteristic of ciprofloxacin was modified through non-intuitive counterion interaction between CPX and diethylaminoethyl dextran (DDEX) to form nanoconjugate assembly. The CPX-DDEX nanoconjugate was confirmed by FTIR, SEM, DSC, TGA, and 1H-NMR. The DSC thermograms showed a remarkable 20% reduction in the melting temperature (Tm) of CPX from 268.57±1.11°C to 214.36±1.0211°C and 78% reduction in enthalpy of fusion (ΔHf) from 59.84 kJ/mol (180.59 J/g) to 12.90 kJ/mol (38.92 J/g), indicating increased solubility and dissolution efficiency. DDEX polymer alone exhibited pseudoplastic characteristics however with more viscous rather than elastic response, while the CPX-DDEX nanoconjugate suspensions exhibited remarkable elastic behavior with significantly increased storage modulus (G') thus controlling and extending the release of CPX. The reconstituted freeze-dried CPX-DDEX nanoconjugate suspension was chemically stable throughout the 90-day study both in the refrigerator and at controlled room temperature, while the aqueous suspension of pure CPX without DDEX was only stable for 72 and 24 h, respectively. The dissolution efficiency of the CPX-DDEX nanoconjugate suspensions increased with increasing molar concentration of DDEX to a maximum of 100% at 50 μM of DDEX followed by a remarkable decrease within the 3-week study. It was apparent that the dissolution efficiency was governed by a critical balance between the CPX solubility and the viscoelastic characteristics of the polymeric nanoassembly. This study demonstrates the potential application of polymer-drug nanoconjugation formulation design to stabilization and flexible delivery of CPX from aqueous suspension systems. Graphical abstract.
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24
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Loperena AP, Lehr IL, Saidman SB. Improved Corrosion Resistance of AZ91D Mg Alloy by Cerium-Based Films. Formation of a Duplex Coating with Polypyrrole. RUSS J ELECTROCHEM+ 2021. [DOI: 10.1134/s1023193521010067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Hou HL, Cardo L, Mancino D, Arnaiz B, Criado A, Prato M. Electrochemically controlled cleavage of imine bonds on a graphene platform: towards new electro-responsive hybrids for drug release. NANOSCALE 2020; 12:23824-23830. [PMID: 33237058 DOI: 10.1039/d0nr04102e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Graphene-based materials are particularly suitable platforms for the development of new systems able to release drugs upon the application of controlled electrochemical stimuli. Herein, we report a new electro-responsive graphene carrier functionalised with aldehydes (as drug models) through imine-based linkers. We explore a new type of drug loading/release combination based on the formation of a covalent bond and its cleavage upon electrolysis. The new graphene-drug model hybrid is stable under physiological conditions and displays a fast drug release upon the application of low voltages.
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Affiliation(s)
- Hui-Lei Hou
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014, Donostia San Sebastián, Spain.
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26
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De Alvarenga G, Hryniewicz BM, Jasper I, Silva RJ, Klobukoski V, Costa FS, Cervantes TN, Amaral CD, Schneider JT, Bach-Toledo L, Peralta-Zamora P, Valerio TL, Soares F, Silva BJ, Vidotti M. Recent trends of micro and nanostructured conducting polymers in health and environmental applications. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Puiggalí-Jou A, Cazorla E, Ruano G, Babeli I, Ginebra MP, García-Torres J, Alemán C. Electroresponsive Alginate-Based Hydrogels for Controlled Release of Hydrophobic Drugs. ACS Biomater Sci Eng 2020; 6:6228-6240. [PMID: 33449669 DOI: 10.1021/acsbiomaterials.0c01400] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Stimuli-responsive biomaterials have attracted significant attention for the construction of on-demand drug release systems. The possibility of using external stimulation to trigger drug release is particularly enticing for hydrophobic compounds, which are not easily released by simple diffusion. In this work, an electrochemically active hydrogel, which has been prepared by gelling a mixture of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) and alginate (Alg), has been loaded with curcumin (CUR), a hydrophobic drug with a wide spectrum of clinical applications. The PEDOT/Alg hydrogel is electrochemically active and organizes as segregated PEDOT- and Alg-rich domains, explaining its behavior as an electroresponsive drug delivery system. When loaded with CUR, the hydrogel demonstrates a controlled drug release upon application of a negative electrical voltage. Comparison with the release profiles obtained applying a positive voltage and in the absence of electrical stimuli indicates that the release mechanism dominating this system is complex because of not only the intermolecular interactions between the drug and the polymeric network but also the loading of a hydrophobic drug in a water-containing delivery system.
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Affiliation(s)
- Anna Puiggalí-Jou
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain
| | - Eric Cazorla
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Guillem Ruano
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Ismael Babeli
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Maria-Pau Ginebra
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain.,Biomaterials, Biomechanics and Tissue Engineering Group, Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya (UPC), Barcelona 08930, Spain
| | - Jose García-Torres
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain.,Biomaterials, Biomechanics and Tissue Engineering Group, Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya (UPC), Barcelona 08930, Spain
| | - Carlos Alemán
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain
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Soft Template Electropolymerization of Polypyrrole for Improved pH-Induced Drug Delivery. Int J Mol Sci 2020; 21:ijms21218114. [PMID: 33143151 PMCID: PMC7662956 DOI: 10.3390/ijms21218114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 11/17/2022] Open
Abstract
Chronic wounds are characterized by a localized pH change from acidic (healthy) to alkaline (unhealthy), which can be harnessed to act as a switch for drug release from a polymer medium covering the wound for improved healing. To realize this, a new polymer dressing material is needed to help heal chronic wounds. Polypyrrole (PPy) is a biocompatible electroactive polymer that has been proven as a successful drug delivery mechanism, but currently lacks the capacity for scalable clinical applications due to its poor processability. In this study, PPy films with and without microstructures were produced using electrochemical oxidation and subsequently doped with fluorescein, a model drug molecule. To increase the drug loading capacity, microstructures were created through soft template polymerization of pyrrole around hydrogen gas bubbles. Fluorescein release was measured using UV spectroscopy over a pH range of 2 to 11, showing increased release at higher pH values. Microstructured films showed an increased doping capacity compared to flat PPy films, attributed to the increase in drug incorporation sites. The pH-activated release mechanism was shown to be successful and can be applied as a pH-sensitive biosensor and drug delivery system in vitro.
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Lee BEJ, DiCecco LA, Exir H, Weck A, Sask KN, Grandfield K. Simultaneous Visualization of Wet Cells and Nanostructured Biomaterials in SEM using Ionic Liquids. Chembiochem 2020; 22:571-576. [PMID: 32918376 DOI: 10.1002/cbic.202000552] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/04/2020] [Indexed: 12/11/2022]
Abstract
This work presents a successful methodology to image mammalian cells adhered to nanostructured titanium by using scanning electron microscopy (SEM) operating in low-vacuum mode following ionic liquid treatment. Human osteoblast-like Saos-2 cells were treated with a room-temperature ionic liquid, 1-ethyl-3-methylimidazolium tetrafluoroborate, and subsequently imaged on titanium by SEM. Titanium substrates were modified to create laser-induced periodic surface structures (LIPSS) for visualization at the submicron scale. By using a combination of fluorescence-based cell metabolism along with light microscopy and SEM image analysis, the shape and location of irradiated cells were confirmed to be unchanged after multiple irradiation sessions; the viability of minimally irradiated cells was also unaltered. The wet imaging conditions combined with a rapid facile protocol using ionic liquid allows this technique to fulfill a niche in examining cellular behavior on biomaterials with submicron surface features. The demonstrated method to track observed cell adhesion to submicron surface features by SEM has great implications for understanding cell migration on nanostructured surfaces as well as the exploration of simpler SEM preparation methods for cellular imaging.
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Affiliation(s)
- Bryan E J Lee
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Liza-Anastasia DiCecco
- Department of Materials Science and Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Hourieh Exir
- Department of Physics, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada.,Centre for Research in Photonics, University of Ottawa, 25 Templeton Street, Ottawa, ON, K1N 6N5, Canada
| | - Arnaud Weck
- Department of Physics, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada.,Centre for Research in Photonics, University of Ottawa, 25 Templeton Street, Ottawa, ON, K1N 6N5, Canada.,Department of Mechanical Engineering, University of Ottawa, 161 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada
| | - Kyla N Sask
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.,Department of Materials Science and Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Kathryn Grandfield
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.,Department of Materials Science and Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
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30
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Xiao X, McGourty KD, Magner E. Enzymatic Biofuel Cells for Self-Powered, Controlled Drug Release. J Am Chem Soc 2020; 142:11602-11609. [PMID: 32510936 DOI: 10.1021/jacs.0c05749] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Self-powered drug-delivery systems based on conductive polymers (CPs) that eliminate the need for external power sources are of significant interest for use in clinical applications. Osmium redox polymer-mediated glucose/O2 enzymatic biofuel cells (EBFCs) were prepared with an additional CP-drug layer on the cathode. On discharging the EBFCs in the presence of glucose and dioxygen, model drug compounds incorporated in the CP layer were rapidly released with negligible amounts released when the EBFCs were held at open circuit. Controlled and ex situ release of three model compounds, ibuprofen (IBU), fluorescein (FLU), and 4',6-diamidino-2-phenylindole (DAPI), was achieved with this self-powered drug-release system. DAPI released in situ in cell culture media was incorporated into retinal pigment epithelium (RPE) cells. This work demonstrates a proof-of-concept responsive drug-release system that may be used in implantable devices.
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Affiliation(s)
- Xinxin Xiao
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland.,Department of Chemistry, Technical University of Denmark, Kongens Lyngby 2800, Denmark
| | - Kieran Denis McGourty
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland.,Department of Chemical Sciences and Health Research Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Edmond Magner
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
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31
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Stimuli-responsive nano-assemblies for remotely controlled drug delivery. J Control Release 2020; 322:566-592. [DOI: 10.1016/j.jconrel.2020.03.051] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/19/2020] [Accepted: 03/31/2020] [Indexed: 12/30/2022]
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32
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García-Fernández A, Lozano-Torres B, Blandez JF, Monreal-Trigo J, Soto J, Collazos-Castro JE, Alcañiz M, Marcos MD, Sancenón F, Martínez-Máñez R. Electro-responsive films containing voltage responsive gated mesoporous silica nanoparticles grafted onto PEDOT-based conducting polymer. J Control Release 2020; 323:421-430. [PMID: 32371265 DOI: 10.1016/j.jconrel.2020.04.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/10/2020] [Accepted: 04/29/2020] [Indexed: 11/28/2022]
Abstract
The characteristics and electromechanical properties of conductive polymers together to their biocompatibility have boosted their application as a suitable tool in regenerative medicine and tissue engineering. However, conducting polymers as drug release materials are far from being ideal. A possibility to overcome this drawback is to combine conducting polymers with on-command delivery particles with inherent high-loading capacity. In this scenario, we report here the preparation of conduction polymers containing gated mesoporous silica nanoparticles (MSN) loaded with a cargo that is delivered on command by electro-chemical stimuli increasing the potential use of conducting polymers as controlled delivery systems. MSNs are loaded with Rhodamine B (Rh B), anchored to the conductive polymer poly(3,4-ethylenedioxythiophene) (PEDOT) doped with poly[(4-styrenesulfonic acid)-co-(maleic acid)], functionalized with a bipyridinium derivative and pores are capped with heparin (P3) by electrostatic interactions. P3 releases the entrapped cargo after the application of -640 mV voltage versus the saturated calomel electrode (SCE). Pore opening in the nanoparticles and dye delivery is ascribed to both (i) the reduction of the grafted bipyridinium derivative and (ii) the polarization of the conducting polymer electrode to negative potentials that induce detachment of positively charged heparin from the surface of the nanoparticles. Biocompatibility and cargo release studies were carried out in HeLa cells cultures.
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Affiliation(s)
- Alba García-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Beatriz Lozano-Torres
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Juan F Blandez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Javier Monreal-Trigo
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Juan Soto
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Jorge E Collazos-Castro
- Neural Repair and Biomaterials Laboratory, Hospital Nacional de Parapléjicos (SESCAM), Finca la Peraleda s/n, 45071 Toledo, Spain
| | - Miguel Alcañiz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - María D Marcos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain.
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain.
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Lin W, Colombani-Garay D, Huang L, Duan C, Han G. Tailoring nanoparticles based on boron dipyrromethene for cancer imaging and therapy. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1627. [PMID: 32164043 DOI: 10.1002/wnan.1627] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/17/2020] [Accepted: 01/21/2020] [Indexed: 01/29/2023]
Abstract
Boron dipyrromethene (BODIPY), as a traditional fluorescent dye, has drawn increasing attention because of its excellent photophysical properties like adjustable spectra and outstanding photostability. BODIPY dyes could be assembled into nanoparticles for cancer imaging and therapy via rational design. In this review, the bio-applications of BODIPY-containing nanoparticles are introduced in detail, such as cellular imaging, near-infrared fluorescence imaging, computed tomography imaging, photoacoustic imaging, phototherapy, and theranostics. The construction strategies of BODIPY-containing nanoparticles are emphasized so the review has three sections-self-assembly of small molecules, chemical conjugation with hydrophilic compounds, and physical encapsulation. This review not only summarizes various and colorific bio-applications of BODIPY-containing nanoparticles, but also provides reasonable design methods of BODIPY-containing nanoparticles for cancer theranostics. This article is categorized under: Diagnostic Tools > in vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Wenhai Lin
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, USA.,State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, P.R. China
| | - Daniel Colombani-Garay
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Ling Huang
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Chunying Duan
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, P.R. China
| | - Gang Han
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
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34
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Gupta S, Sharma A, Verma RS. Polymers in biosensor devices for cardiovascular applications. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2020. [DOI: 10.1016/j.cobme.2019.10.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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35
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High-Performance Conducting Polymer Nanotube-based Liquid-Ion Gated Field-Effect Transistor Aptasensor for Dopamine Exocytosis. Sci Rep 2020; 10:3772. [PMID: 32111933 PMCID: PMC7048782 DOI: 10.1038/s41598-020-60715-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 02/14/2020] [Indexed: 01/22/2023] Open
Abstract
In this study, ultrasensitive and precise detection of a representative brain hormone, dopamine (DA), was demonstrated using functional conducting polymer nanotubes modified with aptamers. A high-performance aptasensor was composed of interdigitated microelectrodes (IMEs), carboxylated polypyrrole nanotubes (CPNTs) and DA-specific aptamers. The biosensors were constructed by sequential conjugation of CPNTs and aptamer molecules on the IMEs, and the substrate was integrated into a liquid-ion gating system surrounded by pH 7.4 buffer as an electrolyte. To confirm DA exocytosis based on aptasensors, DA sensitivity and selectivity were monitored using liquid-ion gated field-effect transistors (FETs). The minimum detection level (MDL; 100 pM) of the aptasensors was determined, and their MDL was optimized by controlling the diameter of the CPNTs owing to their different capacities for aptamer introduction. The MDL of CPNT aptasensors is sufficient for discriminating between healthy and unhealthy individuals because the total DA concentration in the blood of normal person is generally determined to be ca. 0.5 to 6.2 ng/mL (3.9 to 40.5 nM) by high-performance liquid chromatography (HPLC) (this information was obtained from a guidebook “Evidence-Based Medicine 2018 SCL “ which was published by Seoul Clinical Laboratory). The CPNTs with the smaller diameters (CPNT2: ca. 120 nm) showed 100 times higher sensitivity and selectivity than the wider CPNTs (CPNT1: ca. 200 nm). Moreover, the aptasensors based on CPNTs had excellent DA discrimination in the presence of various neurotransmitters. Based on the excellent sensing properties of these aptasensors, the DA levels of exogeneous DA samples that were prepared from PC12 cells by a DA release assay were successfully measured by DA kits, and the aptasensor sensing properties were compared to those of standard DA reagents. Finally, the real-time response values to the various exogeneous DA release levels were similar to those of a standard DA aptasensor. Therefore, CPNT-based aptasensors provide efficient and rapid DA screening for neuron-mediated genetic diseases such as Parkinson’s disease.
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36
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Geng S, Zhao H, Zhan G, Zhao Y, Yang X. Injectable in Situ Forming Hydrogels of Thermosensitive Polypyrrole Nanoplatforms for Precisely Synergistic Photothermo-Chemotherapy. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7995-8005. [PMID: 32013384 DOI: 10.1021/acsami.9b22654] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The combination of photothermal therapy (PTT) with chemotherapy has great potential to maximize the synergistic effect of thermo-induced chemosensitization and improve treatment performance. To achieve high drug-loading capacity as well as precise synchronization between the controllable release of chemotherapeutics and the duration of near-infrared PTT, in this work, a facile one-step method was first developed to fabricate a novel injectable in situ forming photothermal modulated hydrogel drug delivery platform (D-PPy@PNAs), in which a PNIPAM-based temperature-sensitive acidic triblock polymer [poly(acrylic acid-b-N-isopropylamide-b-acrylic acid (PNA)] was utilized as the stabilizing agent in the polymerization of polypyrrole (PPy). The in situ forming hydrogels showed a sensitive temperature-responsive sol-gel phase-transition behavior, as well as an excellent photothermal property. The strong interaction of ionic bonds together with π-π stacking interactions resulted in high doxorubicin (DOX) loading capacity and controlled/sustained drug release behavior. In addition, D-PPy@PNAs also displayed enhanced cellular uptake and promoted intratumoral penetration of DOX upon NIR laser irradiation. The synergistic photothermal therapy-chemotherapy of D-PPy@PNA hydrogels greatly improved the antitumor efficacy in vivo. Therefore, thermosensitive polypyrrole-based D-PPy@PNA hydrogels may be powerful drug delivery nanoplatforms for precisely synergistic photothermo-chemotherapy of tumors.
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Affiliation(s)
- Shinan Geng
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , 430074 , Wuhan , China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica , Huazhong University of Science and Technology , 430074 Wuhan , China
| | - Hao Zhao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , 430074 , Wuhan , China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica , Huazhong University of Science and Technology , 430074 Wuhan , China
| | - Guiting Zhan
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , 430074 , Wuhan , China
| | - Yanbing Zhao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , 430074 , Wuhan , China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica , Huazhong University of Science and Technology , 430074 Wuhan , China
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , 430074 , Wuhan , China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica , Huazhong University of Science and Technology , 430074 Wuhan , China
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37
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Ginting M, Pasaribu SP, Masmur I, Kaban J, Hestina. Self-healing composite hydrogel with antibacterial and reversible restorability conductive properties. RSC Adv 2020; 10:5050-5057. [PMID: 35498274 PMCID: PMC9049063 DOI: 10.1039/d0ra00089b] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 01/24/2020] [Indexed: 12/19/2022] Open
Abstract
Self-healable PAA/PPy–Fe composite hydrogels have been simply synthesized in one step and utilized for antibacterial and electrical conductivity application. The network of hydrogel is composed of polyacrylic acid (PAA) and Fe3+ ions with interlacing of the second polymeric chain of polypyrrole (PPy). In this study, ammonium persulfate (APS) was utilized to initiate the polymerization of both acrylic acid and pyrrole. Such hydrogels exhibited good mechanical properties and remarkable self-healing efficiency as well. The self-healing ability of the hydrogels was facilitated by ionic interaction between carboxylic anion groups (COO–) from polyacrylic acid (PAA) and Fe3+ ions. Moreover, the antibacterial activity of the composite hydrogels was examined on Escherichia coli via the disk diffusion method and the zone of inhibition was obtained in the range of 1.26–1.56 cm after incubation for 12 h. In addition, demonstration of the PAA/PPy–Fe composite hydrogels in electrical conductivity applications was performed in which the composite hydrogel was set up in an electrical circuit consisting of an LED and powered by 3 V batteries. The results showed that the electricity could light-up the LED through the PAA/PPy–Fe composite hydrogels and possessed reversible restorability, as indicated by the healed hydrogel consistently lighting-up the LED in the electrical circuit. Self-healable PAA/PPy–Fe composite hydrogels have been simply synthesized in one step and utilized for antibacterial and electrical conductivity application.![]()
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Affiliation(s)
- Mimpin Ginting
- Department of Chemistry
- Faculty of Mathematics and Natural Sciences
- Universitas Sumatera Utara
- Medan-20155
- Indonesia
| | - Subur P. Pasaribu
- Department of Chemistry
- Faculty of Mathematics and Natural Sciences
- Mulawarman University
- Samarinda-75123
- Indonesia
| | - Indra Masmur
- Department of Chemistry
- Faculty of Mathematics and Natural Sciences
- Universitas Sumatera Utara
- Medan-20155
- Indonesia
| | - Jamaran Kaban
- Department of Chemistry
- Faculty of Mathematics and Natural Sciences
- Universitas Sumatera Utara
- Medan-20155
- Indonesia
| | - Hestina
- Department of Chemistry
- Universitas Sari Mutiara Indonesia
- Medan-20123
- Indonesia
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Sayin S, Ozdemir E, Acar E, Ince GO. Multifunctional one-dimensional polymeric nanostructures for drug delivery and biosensor applications. NANOTECHNOLOGY 2019; 30:412001. [PMID: 31347513 DOI: 10.1088/1361-6528/ab2e2c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Advances in nanotechnology in the last decades have paved the way for significant achievements in diagnosis and treatment of various diseases. Different types of functional nanostructures have been explored and utilized as tools for addressing the challenges in detection or treatment of diseases. In particular, one-dimensional nanostructures hold great promise in theranostic applications due to their increased surface area-to-volume ratios, which allow better targeting, increased loading capacity and improved sensitivity to biomolecules. Stable polymeric nanostructures that are stimuli-responsive, biocompatible and biodegradable are especially preferred for bioapplications. In this review, different synthesis techniques of polymeric one-dimensional nanostructures are explored and functionalization methods of these nanostructures for specific applications are explained. Biosensing and drug delibiovery applications of these nanostructures are presented in detail.
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Affiliation(s)
- Sezin Sayin
- Materials Science and Nano Engineering, Faculty of Engineering and Natural Sciences, Sabanci University, 34956 Istanbul, Turkey
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39
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Drug delivery systems based on intrinsically conducting polymers. J Control Release 2019; 309:244-264. [DOI: 10.1016/j.jconrel.2019.07.035] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 07/23/2019] [Accepted: 07/24/2019] [Indexed: 11/23/2022]
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40
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Wu JG, Chen JH, Liu KT, Luo SC. Engineering Antifouling Conducting Polymers for Modern Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2019; 11:21294-21307. [PMID: 31120722 DOI: 10.1021/acsami.9b04924] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Conducting polymers are considered to be favorable electrode materials for implanted biosensors and bioelectronics, because their mechanical properties are similar to those of biological tissues such as nerve and brain tissues. However, one of the primary challenges for implanted devices is to prevent the unwanted protein adhesion or cell binding within biological fluids. The nonspecific adsorption generally causes the malfunction of implanted devices, which is problematic for long-term applications. When responding to the requirements of solving the problems caused by nonspecific adsorption, an increasing number of studies on antifouling conducting polymers has been recently published. In this review, synthetic strategies for preparing antifouling conducting polymers, including direct synthesis of functional monomers and post-functionalization, are introduced. The applications of antifouling conducting polymers in modern biomedical applications are particularly highlighted. This paper presents focuses on the features of antifouling conducting polymers and the challenges of modern biomedical applications.
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Affiliation(s)
- Jhih-Guang Wu
- Department of Materials Science and Engineering , National Taiwan University , No. 1, Sec. 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Jie-Hao Chen
- Department of Materials Science and Engineering , National Taiwan University , No. 1, Sec. 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Kuan-Ting Liu
- Department of Materials Science and Engineering , National Taiwan University , No. 1, Sec. 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Shyh-Chyang Luo
- Department of Materials Science and Engineering , National Taiwan University , No. 1, Sec. 4, Roosevelt Road , Taipei 10617 , Taiwan
- Advanced Research Center for Green Materials Science and Technology , National Taiwan University , Taipei 10617 , Taiwan
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41
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Abstract
The widespread use of conducting polymers, especially poly(3,4-ethylene dioxythiophene) (PEDOT), within the space of bioelectronics has enabled improvements, both in terms of electrochemistry and functional versatility, of conventional metallic electrodes. This short review aims to provide an overview of how PEDOT coatings have contributed to functionalizing existing bioelectronics, the challenges which meet conducting polymer coatings from a regulatory and stability point of view and the possibilities to bring PEDOT-based coatings into large-scale clinical applications. Finally, their potential use for enabling new technologies for the field of bioelectronics as biodegradable, stretchable and slow-stimulation materials will be discussed.
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Affiliation(s)
- Christian Boehler
- BrainLinks-BrainTools Center, University of Freiburg, Freiburg, Germany
- Department of Microsystems Engineering (IMTEK), University of Freiburg, Freiburg, Germany
| | - Zaid Aqrawe
- Department of Anatomy & Medical Imaging, The University of Auckland, Auckland, New Zealand
| | - Maria Asplund
- BrainLinks-BrainTools Center, University of Freiburg, Freiburg, Germany
- Department of Microsystems Engineering (IMTEK), University of Freiburg, Freiburg, Germany
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42
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Xiang H, Chen Y. Energy-Converting Nanomedicine. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805339. [PMID: 30773837 DOI: 10.1002/smll.201805339] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/22/2019] [Indexed: 05/12/2023]
Abstract
Serious side effects to surrounding normal tissues and unsatisfactory therapeutic efficacy hamper the further clinic applications of conventional cancer-therapeutic strategies, such as chemotherapy and surgery. The fast development of nanotechnology provides unprecedented superiorities for cancer therapeutics. Externally activatable therapeutic modalities mediated by nanomaterials, relying on highly effective energy transformation to release therapeutic elements/effects (cytotoxic reactive oxygen species, thermal effect, photoelectric effect, Compton effect, cavitation effect, mechanical effect or chemotherapeutic drug) for cancer therapies, categorized and termed as "energy-converting nanomedicine," have arouse considerable concern due to their noninvasiveness, desirable tissue-penetration depth, and accurate modulation of therapeutic dose. This review summarizes the recent advances in the engineering of intelligent functional nanotherapeutics for energy-converting nanomedicine, including photo-based, radiation-based, ultrasound-based, magnetic field-based, microwave-based, electric field-based, and radiofrequency-based nanomedicines, which are enabled by external stimuli (light, radiation, ultrasound, magnetic field, microwave, electric field, and radiofrequency). Furthermore, biosafety issues of energy-converting nanomedicine related to future clinical translation are also addressed. Finally, the potential challenges and prospects of energy-converting nanomedicine for future clinical translation are discussed.
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Affiliation(s)
- Huijing Xiang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
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43
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Tomczykowa M, Plonska-Brzezinska ME. Conducting Polymers, Hydrogels and Their Composites: Preparation, Properties and Bioapplications. Polymers (Basel) 2019; 11:E350. [PMID: 30960334 PMCID: PMC6419165 DOI: 10.3390/polym11020350] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/06/2019] [Accepted: 02/13/2019] [Indexed: 12/22/2022] Open
Abstract
This review is focused on current state-of-the-art research on electroactive-based materials and their synthesis, as well as their physicochemical and biological properties. Special attention is paid to pristine intrinsically conducting polymers (ICPs) and their composites with other organic and inorganic components, well-defined micro- and nanostructures, and enhanced surface areas compared with those of conventionally prepared ICPs. Hydrogels, due to their defined porous structures and being filled with aqueous solution, offer the ability to increase the amount of immobilized chemical, biological or biochemical molecules. When other components are incorporated into ICPs, the materials form composites; in this particular case, they form conductive composites. The design and synthesis of conductive composites result in the inheritance of the advantages of each component and offer new features because of the synergistic effects between the components. The resulting structures of ICPs, conducting polymer hydrogels and their composites, as well as the unusual physicochemical properties, biocompatibility and multi-functionality of these materials, facilitate their bioapplications. The synergistic effects between constituents have made these materials particularly attractive as sensing elements for biological agents, and they also enable the immobilization of bioreceptors such as enzymes, antigen-antibodies, and nucleic acids onto their surfaces for the detection of an array of biological agents. Currently, these materials have unlimited applicability in biomedicine. In this review, we have limited discussion to three areas in which it seems that the use of ICPs and materials, including their different forms, are particularly interesting, namely, biosensors, delivery of drugs and tissue engineering.
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Affiliation(s)
- Monika Tomczykowa
- Department of Organic Chemistry, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Bialystok, Mickiewicza 2A, 15-222 Bialystok, Poland.
| | - Marta Eliza Plonska-Brzezinska
- Department of Organic Chemistry, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Bialystok, Mickiewicza 2A, 15-222 Bialystok, Poland.
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The incorporation and controlled release of dopamine from a sulfonated β–cyclodextrin–doped conducting polymer. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1733-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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45
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Lyu W, Yu M, Feng J, Yan W. Facile synthesis of coral-like hierarchical polyaniline micro/nanostructures with enhanced supercapacitance and adsorption performance. POLYMER 2019. [DOI: 10.1016/j.polymer.2018.12.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Electric field-responsive nanoparticles and electric fields: physical, chemical, biological mechanisms and therapeutic prospects. Adv Drug Deliv Rev 2019; 138:56-67. [PMID: 30414494 DOI: 10.1016/j.addr.2018.10.017] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 10/05/2018] [Accepted: 10/31/2018] [Indexed: 12/18/2022]
Abstract
Electric fields are among physical stimuli that have revolutionized therapy. Occurring endogenously or exogenously, the electric field can be used as a trigger for controlled drug release from electroresponsive drug delivery systems, can stimulate wound healing and cell proliferation, may enhance endocytosis or guide stem cell differentiation. Electric field pulses may be applied to induce cell fusion, can increase the penetration of therapeutic agents into cells, or can be applied as a standalone therapy to ablate tumors. This review describes the main therapeutic trends and overviews the main physical, chemical and biological mechanisms underlying the actions of electric fields. Overall, the electric field can be used in therapeutic approaches in several ways. The electric field can act on drug carriers, cells and tissues. Understanding the multiple effects of this powerful tool will help harnessing its full therapeutic potential in an efficient and safe way.
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Hathout RM, Metwally AA, El-Ahmady SH, Metwally ES, Ghonim NA, Bayoumy SA, Erfan T, Ashraf R, Fadel M, El-Kholy AI, Hardy JG. Dual stimuli-responsive polypyrrole nanoparticles for anticancer therapy. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.07.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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48
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Shan D, Kothapalli SR, Ravnic DJ, Gerhard E, Kim JP, Guo J, Ma C, Guo J, Gui L, Sun L, Lu D, Yang J. Development of Citrate-based Dual-Imaging Enabled Biodegradable Electroactive Polymers. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1801787. [PMID: 31588204 PMCID: PMC6777557 DOI: 10.1002/adfm.201801787] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Indexed: 06/01/2023]
Abstract
Increasing occurrences of degenerative diseases, defective tissues and severe cancers heighten the importance of advanced biomedical treatments, which in turn enhance the need for improved biomaterials with versatile theranostic functionalities yet using minimal design complexity. Leveraging the advantages of citrate chemistry, we developed a multifunctional citrate-based biomaterial platform with both imaging and therapeutic capabilities utilizing a facile and efficient one-pot synthesis. The resulting aniline tetramer doped biodegradable photoluminescent polymers (BPLPATs) not only possess programmable degradation profiles (<1 to >6 months) and mechanical strengths (~20 MPa to > 400 MPa), but also present a combination of intrinsic fluorescence, photoacoustic (PA) and electrical conductivity properties. BPLPAT nanoparticles are able to label cells for fluorescence imaging and perform deep tissue detection with PA imaging. Coupled with significant photothermal performance, BPLPAT nanoparticles demonstrate great potential for thermal treatment and in vivo real-time detection of cancers. Our results on BPLPAT scaffolds demonstrate three-dimensional (3D) high-spatial-resolution deep tissue PA imaging (23 mm), as well as promote growth and differentiation of PC-12 nerve cells. We envision that the biodegradable dual-imaging-enabled electroactive citrate-based biomaterial platform will expand the currently available theranostic material systems and open new avenues for diversified biomedical and biological applications via the demonstrated multi-functionality.
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Affiliation(s)
- Dingying Shan
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
| | - Sri-Rajasekhar Kothapalli
- Department of Biomedical Engineering The Pennsylvania State University, University Park, PA 16802, USA; Penn State Hershey Cancer Institute Hershey, PA 17033, USA
| | - Dino J Ravnic
- Department of Surgery Penn State Hershey Medical Center, Hershey, PA, 17033, USA
| | - Ethan Gerhard
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
| | - Jimin P Kim
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
| | - Jinshan Guo
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
| | - Chuying Ma
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
| | - Jiazhi Guo
- Biomedical Engineering Research Center Kunming Medical University, Kunming, 650500, China
| | - Li Gui
- Department of Endocrinology The Third People's Hospital of Yunnan Province, Kunming 650011, China
| | - Lin Sun
- Department of Cardiology The Second Affiliated Hospital, Kunming Medical University, Kunming 650101, China
| | - Di Lu
- Biomedical Engineering Research Center Kunming Medical University, Kunming, 650500, China
| | - Jian Yang
- Department of Biomedical Engineering; Materials Research Institute; The Huck Institutes of The Life Sciences The Pennsylvania State University, University Park, PA, 16802, USA
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Gopi S, Amalraj A, Sukumaran NP, Haponiuk JT, Thomas S. Biopolymers and Their Composites for Drug Delivery: A Brief Review. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/masy.201800114] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sreeraj Gopi
- R&D Centre; Aurea Biolabs (P) Ltd, Kolenchery; Cochin 682311 Kerala India
- Chemical Faculty; Gdansk University of Technology; Gdańsk Poland
- International and Inter University Centre for Nanoscience and Nanotechnology; School of Chemical Sciences; Mahatma Gandhi University; Priyadarshini Hills P. O. Kottayam Kerala 686560 India
| | - Augustine Amalraj
- R&D Centre; Aurea Biolabs (P) Ltd, Kolenchery; Cochin 682311 Kerala India
| | | | | | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology; School of Chemical Sciences; Mahatma Gandhi University; Priyadarshini Hills P. O. Kottayam Kerala 686560 India
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50
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Vallejo-Giraldo C, Krukiewicz K, Calaresu I, Zhu J, Palma M, Fernandez-Yague M, McDowell B, Peixoto N, Farid N, O'Connor G, Ballerini L, Pandit A, Biggs MJP. Attenuated Glial Reactivity on Topographically Functionalized Poly(3,4-Ethylenedioxythiophene):P-Toluene Sulfonate (PEDOT:PTS) Neuroelectrodes Fabricated by Microimprint Lithography. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800863. [PMID: 29862640 DOI: 10.1002/smll.201800863] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 04/17/2018] [Indexed: 06/08/2023]
Abstract
Following implantation, neuroelectrode functionality is susceptible to deterioration via reactive host cell response and glial scar-induced encapsulation. Within the neuroengineering community, there is a consensus that the induction of selective adhesion and regulated cellular interaction at the tissue-electrode interface can significantly enhance device interfacing and functionality in vivo. In particular, topographical modification holds promise for the development of functionalized neural interfaces to mediate initial cell adhesion and the subsequent evolution of gliosis, minimizing the onset of a proinflammatory glial phenotype, to provide long-term stability. Herein, a low-temperature microimprint-lithography technique for the development of micro-topographically functionalized neuroelectrode interfaces in electrodeposited poly(3,4-ethylenedioxythiophene):p-toluene sulfonate (PEDOT:PTS) is described and assessed in vitro. Platinum (Pt) microelectrodes are subjected to electrodeposition of a PEDOT:PTS microcoating, which is subsequently topographically functionalized with an ordered array of micropits, inducing a significant reduction in electrode electrical impedance and an increase in charge storage capacity. Furthermore, topographically functionalized electrodes reduce the adhesion of reactive astrocytes in vitro, evident from morphological changes in cell area, focal adhesion formation, and the synthesis of proinflammatory cytokines and chemokine factors. This study contributes to the understanding of gliosis in complex primary mixed cell cultures, and describes the role of micro-topographically modified neural interfaces in the development of stable microelectrode interfaces.
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Affiliation(s)
- Catalina Vallejo-Giraldo
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - Katarzyna Krukiewicz
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, Gliwice, 44-100, Poland
| | - Ivo Calaresu
- Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea, 265, 34136, Trieste, Italy
| | - Jingyuan Zhu
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E14NS, UK
| | - Matteo Palma
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E14NS, UK
| | - Marc Fernandez-Yague
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - BenjaminW McDowell
- Department of Electrical and Computer Engineering, George Mason University, 4400 University Drive, MS-1G5 Fairfax, VA, 22030, USA
| | - Nathalia Peixoto
- Department of Electrical and Computer Engineering, George Mason University, 4400 University Drive, MS-1G5 Fairfax, VA, 22030, USA
| | - Nazar Farid
- School of Physics, National University of Ireland, Galway, University Road, Galway, H91 CF50, Ireland
| | - Gerard O'Connor
- School of Physics, National University of Ireland, Galway, University Road, Galway, H91 CF50, Ireland
| | - Laura Ballerini
- Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea, 265, 34136, Trieste, Italy
| | - Abhay Pandit
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - Manus Jonathan Paul Biggs
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
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