1
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Sparks NE, Smith C, Stahl T, Amarasekara DL, Hamadani C, Lambert E, Tang SW, Kulkarni A, Derbigny BM, Dasanayake GS, Taylor G, Ghazala M, Hammer NI, Sokolov AY, Fitzkee NC, Tanner EEL, Watkins DL. NIR-II emissive donor-acceptor-donor fluorophores for dual fluorescence bioimaging and photothermal therapy applications. JOURNAL OF MATERIALS CHEMISTRY. C 2024; 12:4369-4383. [PMID: 38525159 PMCID: PMC10955863 DOI: 10.1039/d3tc04747d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/19/2024] [Indexed: 03/26/2024]
Abstract
Fluorescence bioimaging with near-infrared II (NIR-II) emissive organic fluorophores has proven to be a viable noninvasive diagnostic technique. However, there is still the need for the development of fluorophores that possess increased stability as well as functionalities that impart stimuli responsiveness. Through strategic design, we can synthesize fluorophores that possess not only NIR-II optical profiles but also pH-sensitivity and the ability to generate heat upon irradiation. In this work, we employ a donor-acceptor-donor (D-A-D) design to synthesize a series of NIR-II fluorophores. Here we use thienothiadiazole (TTD) as the acceptor, 3-hexylthiophene (HexT) as the π-spacer and vary the alkyl amine donor units: N,N-dimethylaniline (DMA), phenylpiperidine (Pip), and phenylmorpholine (Morp). Spectroscopic analysis shows that all three derivatives exhibit emission in the NIR-II region with λemimax ranging from 1030 to 1075 nm. Upon irradiation, the fluorophores exhibited noticeable heat generation through non-radiative processes. The ability to generate heat indicates that these fluorophores will act as theranostic (combination therapeutic and diagnostic) agents in which simultaneous visualization and treatment can be performed. Additionally, biosensing capabilities were supported by changes in the absorbance properties while under acidic conditions as a result of protonation of the alkyl amine donor units. The fluorophores also show minimal toxicity in a human mammary cell line and with murine red blood cells. Overall, initial results indicate viable NIR-II materials for multiple biomedical applications.
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Affiliation(s)
- Nicholas E Sparks
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Cameron Smith
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Terrence Stahl
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Dhanush L Amarasekara
- Department of Chemistry, Mississippi State University Mississippi State MS 39762 USA
| | - Christine Hamadani
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Ethan Lambert
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Sheng Wei Tang
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Anuja Kulkarni
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Blaine M Derbigny
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Gaya S Dasanayake
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - George Taylor
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Maryam Ghazala
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Nathan I Hammer
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Alexander Y Sokolov
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
| | - Nicholas C Fitzkee
- Department of Chemistry, Mississippi State University Mississippi State MS 39762 USA
| | - Eden E L Tanner
- Department of Chemistry and Biochemistry, University of Mississippi University Oxford MS USA
| | - Davita L Watkins
- Department of Chemistry and Biochemistry, The Ohio State University Columbus Ohio 43210 USA
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University 151 W Woodruff Ave. Columbus OH 43210 USA
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Wrobel D, Edr A, Zemanova E, Strašák T, Semeradtova A, Maly J. The influence of amphiphilic carbosilane dendrons on lipid model membranes. Chem Phys Lipids 2023; 255:105314. [PMID: 37356611 DOI: 10.1016/j.chemphyslip.2023.105314] [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: 12/30/2022] [Revised: 06/01/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023]
Abstract
Amphiphilic dendrons represent a relatively novel class of molecules which may show many unique properties suitable for applications in a field of molecular biology and nanomedicine. They were frequently studied as platforms suitable for drug delivery systems as were, e.g. polymersomes or hybrid lipid-polymer nanoparticles. Recently, natural extracellular lipid vesicles (EVs), called exosomes (EXs), were shown to be a promising candidate in drug delivery applications. Formation of hybrid exosome-dendron nanovesicles could bring benefits in their simple conjugation with selective targeting moieties. Unfortunately, the complex architecture of biological membranes, EXs included, makes obstacles in elucidating the important parameters and mechanisms of interaction with the artificial amphiphilic structures. The aim of the presented work was to study the interaction of two types of amphiphilic carbosilane dendritic structures (denoted as DDN-1 and DDN-2) suitable for further modification with streptavidin (DDN-1) or using click-chemistry approach (DDN-2), with selected neutral and negatively charged lipid model membranes, partially mimicking the basic properties of natural EXs biomembranes. To meet the goal, a number of biophysical methods were used for determination of the degree and mechanisms of the interaction. The results showed that the strength of interactions of amphiphilic dendrons with liposomes was related with surface charge of liposomes. Several steps of interactions were disclosed. The initialization step was mainly coupled with amphiphilic dendrons - liposomes surface interaction resulting in destabilization of large self-assembled amphiphilic dendrons structures. Such destabilization was more significant with liposomes of higher negative charge. With increasing concentration of amphiphilic dendrons in a solution the interactions were taking place also in the hydrophobic part of bilayer. Further increase of nanoparticle concentration resulted in a gradual dendritic cluster formation in a lipid bilayer structure. Due to high affinity of amphiphilic dendrons to model lipid bilayers the conclusion can be drawn that they represent promising platforms also for decoration of exosomes or other kinds of natural lipid vehicles. Such organized hybrid dendron-lipid biomembranes may be advantageous for their subsequent post-functionalization with small molecules, large biomacromolecules or polymers suitable for targeted drug-delivery or theranostic applications.
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Affiliation(s)
- Dominika Wrobel
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic.
| | - Antonin Edr
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic; The Czech Academy of Sciences, Institute of Chemical Process Fundamentals, 165 02 Prague, Czech Republic
| | - Eliska Zemanova
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic
| | - Tomáš Strašák
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic; The Czech Academy of Sciences, Institute of Chemical Process Fundamentals, 165 02 Prague, Czech Republic
| | - Alena Semeradtova
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic
| | - Jan Maly
- Faculty of Science, University of Jan Evangelista Purkyně in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic
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Sachan R, Warkar SG, Purwar R. An overview on synthesis, properties and applications of polycaprolactone copolymers, blends & composites. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2022.2113890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Radha Sachan
- Discipline of Polymer Science and Chemical Technology, Department of Applied Chemistry, Delhi Technological University, Delhi, India
| | - Sudhir G. Warkar
- Discipline of Polymer Science and Chemical Technology, Department of Applied Chemistry, Delhi Technological University, Delhi, India
| | - Roli Purwar
- Discipline of Polymer Science and Chemical Technology, Department of Applied Chemistry, Delhi Technological University, Delhi, India
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4
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Shu L, Huang Z, Huang Y, Wu C, Pan X. Upon a potential approach to regulate the targeting region of inhalable liposomes. J BIOACT COMPAT POL 2022. [DOI: 10.1177/08839115221121862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Liposomes for inhalation have high biosafety and can achieve slow and controlled delivery, which are especially suitable for the treatment of lung diseases and have a promising clinical application prospect. However, liposomes for inhalation have the key bottleneck problem of the lack of strategies to control the targeting region, which restricts its clinical transformation. The root cause is the inability to control the bio-corona (BC) generation upon liposomes, which dominates the specific targeting regions. In order to overcome the above bottleneck, a high density hybrid liposome system based on distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)] (DSPE-PEG) may be a potential choice. The PEG chain in DSPE-PEG has “stealth” effect that can hinder the adsorption of biological molecules. When the density of DSPE-PEG hybridization is high, the “stealth” effect is more significant, and the total adsorption amount of liposomal BC can be effectively reduced. By optimizing the PEG chain structures of DSPE-PEG, viz PEG chain length and terminal group modification, DSPE-PEG high density hybrid liposomes can be endowed with the function of targeting site regulation based on BC domination effect. It is believed that this proposed system can promote the profound reform of the research paradigm of inhalational liposomes, and accelerate the development of related products.
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Affiliation(s)
- Lei Shu
- College of Pharmacy, Jinan University, Guangzhou, P. R. China
| | - Zhengwei Huang
- College of Pharmacy, Jinan University, Guangzhou, P. R. China
| | - Ying Huang
- College of Pharmacy, Jinan University, Guangzhou, P. R. China
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou, P. R. China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
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5
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Wang T, Qin J, Cheng J, Li C, Du J. Intelligent design of polymersomes for antibacterial and anticancer applications. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1822. [PMID: 35673991 DOI: 10.1002/wnan.1822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 01/25/2023]
Abstract
Polymersomes (or polymer vesicles) have attracted much attention for biomedical applications in recent years because their lumen can be used for drug delivery and their coronas and membrane can be modified with a variety of functional groups. Thus, polymersomes are very suitable for improved antibacterial and anticancer therapy. This review mainly highlighted recent advances in the synthetic protocols and design principles of intelligent antibacterial and anticancer polymersomes. Antibacterial polymersomes are divided into three categories: polymersomes as antibiotic nanocarriers, intrinsically antibacterial polymersomes, and antibacterial polymersomes with supplementary means including photothermal and photodynamic therapy. Similarly, the anticancer polymersomes are divided into two categories: polymersomes-based delivery systems and anticancer polymersomes with supplementary means. In addition, the bilateral relationship between bacteria and cancer is addressed, since more and more evidences show that bacteria may cause cancer or promote cancer progression. Finally, prospective on next-generation antibacterial and anticancer polymersomes are discussed. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Biology-Inspired Nanomaterials > Lipid-Based Structures.
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Affiliation(s)
- Tao Wang
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai, China
| | - Jinlong Qin
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai, China.,Department of Gynecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiajing Cheng
- Department of Gynecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Chang Li
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai, China
| | - Jianzhong Du
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai, China.,Department of Gynecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
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6
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Hamadani CM, Chandrasiri I, Yaddehige ML, Dasanayake GS, Owolabi I, Flynt A, Hossain M, Liberman L, Lodge TP, Werfel TA, Watkins DL, Tanner EEL. Improved nanoformulation and bio-functionalization of linear-dendritic block copolymers with biocompatible ionic liquids. NANOSCALE 2022; 14:6021-6036. [PMID: 35362493 DOI: 10.1039/d2nr00538g] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Linear-dendritic block copolymers (LDBCs) have emerged as promising materials for drug delivery applications, with their hybrid structure exploiting advantageous properties of both linear and dendritic polymers. LDBCs have promising encapsulation efficiencies that can be used to encapsulate both hydrophobic and hydrophilic dyes for bioimaging, cancer therapeutics, and small biomolecules. Additionally, LDBCS can be readily functionalized with varying terminal groups for more efficient targeted delivery. However, depending on structural composition and surface properties, LDBCs also exhibit high dispersities (Đ), poor shelf-life, and potentially high cytotoxicity to non-target interfacing blood cells during intravenous drug delivery. Here, we show that choline carboxylic acid-based ionic liquids (ILs) electrostatically solvate LDBCs by direct dissolution and form stable and biocompatible IL-integrated LDBC nano-assemblies. These nano-assemblies are endowed with red blood cell-hitchhiking capabilities and show altered cellular uptake behavior ex vivo. When modified with choline and trans-2-hexenoic acid, IL-LDBC dispersity dropped by half compared to bare LDBCs, and showed a significant shift of the cationic surface charge towards neutrality. Proton nuclear magnetic resonance spectroscopy evidenced twice the total amount of IL on the LDBCs relative to an established IL-linear PLGA platform. Transmission electron microscopy suggested the formation of a nanoparticle surface coating, which acted as a protective agent against RBC hemolysis, reducing hemolysis from 73% (LDBC) to 25% (IL-LDBC). However, dramatically different uptake behavior of IL-LDBCs vs. IL-PLGA NPs in RAW 264.7 macrophage cells suggests a different conformational IL-NP surface assembly on the linear versus the linear-dendritic nanoparticles. These results suggest that by controlling the physical chemistry of polymer-IL interactions and assembly on the nanoscale, biological function can be tailored toward the development of more effective and more precisely targeted therapies.
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Affiliation(s)
- Christine M Hamadani
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
| | - Indika Chandrasiri
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
| | - Mahesh Loku Yaddehige
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
| | - Gaya S Dasanayake
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
| | - Iyanuoluwani Owolabi
- Department of Biological Sciences, The University of Southern Mississippi, Hattiesburg, Mississippi, 39406, USA
| | - Alex Flynt
- Department of Biological Sciences, The University of Southern Mississippi, Hattiesburg, Mississippi, 39406, USA
| | - Mehjabeen Hossain
- Department of BioMolecular Sciences, The University of Mississippi, University, MS 38677, USA
| | - Lucy Liberman
- Department of Chemical Engineering & Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, USA
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - Timothy P Lodge
- Department of Chemical Engineering & Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, USA
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - Thomas A Werfel
- Department of Biomedical Engineering, The University of Mississippi, University, MS 38677, USA
- Department of Chemical Engineering, The University of Mississippi, University, MS 38677, USA
- Department of BioMolecular Sciences, The University of Mississippi, University, MS 38677, USA
| | - Davita L Watkins
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
| | - Eden E L Tanner
- Department of Chemistry & Biochemistry, The University of Mississippi, University, MS 38677, USA.
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7
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Sheffey VV, Siew EB, Tanner EEL, Eniola‐Adefeso O. PLGA's Plight and the Role of Stealth Surface Modification Strategies in Its Use for Intravenous Particulate Drug Delivery. Adv Healthc Mater 2022; 11:e2101536. [PMID: 35032406 PMCID: PMC9035064 DOI: 10.1002/adhm.202101536] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/31/2021] [Indexed: 12/17/2022]
Abstract
Numerous human disorders can benefit from targeted, intravenous (IV) drug delivery. Polymeric nanoparticles have been designed to undergo systemic circulation and deliver their therapeutic cargo to target sites in a controlled manner. Poly(lactic-co-glycolic) acid (PLGA) is a particularly promising biomaterial for designing intravenous drug carriers due to its biocompatibility, biodegradability, and history of clinical success across other routes of administration. Despite these merits, PLGA remains markedly absent in clinically approved IV drug delivery formulations. A prominent factor in PLGA particles' inability to succeed intravenously may lie in the hydrophobic character of the polyester, leading to the adsorption of serum proteins (i.e., opsonization) and a cascade of events that end in their premature clearance from the bloodstream. PEGylation, or surface-attached polyethylene glycol chains, is a common strategy for shielding particles from opsonization. Polyethylene glycol (PEG) continues to be regarded as the ultimate "stealth" solution despite the lack of clinical progress of PEGylated PLGA carriers. This review reflects on some of the reasons for the clinical failure of PLGA, particularly the drawbacks of PEGylation, and highlights alternative surface coatings on PLGA particles. Ultimately, a new approach will be needed to harness the potential of PLGA nanoparticles and allow their widespread clinical adoption.
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Affiliation(s)
- Violet V. Sheffey
- Macromolecular Science and Engineering Program University of Michigan Ann Arbor NCRC Building 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
| | - Emily B. Siew
- Department of Chemical Engineering University of Michigan Ann Arbor NCRC 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
| | - Eden E. L. Tanner
- Department of Chemistry and Biochemistry University of Mississippi 179 Coulter Hall University MS 38677 USA
| | - Omolola Eniola‐Adefeso
- Macromolecular Science and Engineering Program University of Michigan Ann Arbor NCRC Building 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
- Department of Chemical Engineering University of Michigan Ann Arbor NCRC 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
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8
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Hernández Becerra E, Quinchia J, Castro C, Orozco J. Light-Triggered Polymersome-Based Anticancer Therapeutics Delivery. NANOMATERIALS 2022; 12:nano12050836. [PMID: 35269324 PMCID: PMC8912464 DOI: 10.3390/nano12050836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 01/25/2023]
Abstract
Polymersomes are biomimetic cell membrane-like model structures that are self-assembled stepwise from amphiphilic copolymers. These polymeric (nano)carriers have gained the scientific community’s attention due to their biocompatibility, versatility, and higher stability than liposomes. Their tunable properties, such as composition, size, shape, and surface functional groups, extend encapsulation possibilities to either hydrophilic or hydrophobic cargoes (or both) and their site-specific delivery. Besides, polymersomes can disassemble in response to different stimuli, including light, for controlling the “on-demand” release of cargo that may also respond to light as photosensitizers and plasmonic nanostructures. Thus, polymersomes can be spatiotemporally stimulated by light of a wide wavelength range, whose exogenous response may activate light-stimulable moieties, enhance the drug efficacy, decrease side effects, and, thus, be broadly employed in photoinduced therapy. This review describes current light-responsive polymersomes evaluated for anticancer therapy. It includes light-activable moieties’ features and polymersomes’ composition and release behavior, focusing on recent advances and applications in cancer therapy, current trends, and photosensitive polymersomes’ perspectives.
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Affiliation(s)
- Elisa Hernández Becerra
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciences, University of Antioquia, Complejo Ruta N, Calle 67 No. 52-20, Medellín 050010, Colombia; (E.H.B.); (J.Q.)
| | - Jennifer Quinchia
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciences, University of Antioquia, Complejo Ruta N, Calle 67 No. 52-20, Medellín 050010, Colombia; (E.H.B.); (J.Q.)
| | - Cristina Castro
- Engineering School, Pontificia Bolivariana University, Bloque 11, Cq. 1 No. 70-01, Medellín 050004, Colombia;
| | - Jahir Orozco
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciences, University of Antioquia, Complejo Ruta N, Calle 67 No. 52-20, Medellín 050010, Colombia; (E.H.B.); (J.Q.)
- Correspondence:
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Edr A, Wrobel D, Krupková A, Šťastná LČ, Cuřínová P, Novák A, Malý J, Kalasová J, Malý J, Malý M, Strašák T. Adaptive Synthesis of Functional Amphiphilic Dendrons as a Novel Approach to Artificial Supramolecular Objects. Int J Mol Sci 2022; 23:ijms23042114. [PMID: 35216229 PMCID: PMC8877797 DOI: 10.3390/ijms23042114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/04/2022] [Accepted: 02/09/2022] [Indexed: 11/16/2022] Open
Abstract
Supramolecular structures, such as micelles, liposomes, polymerosomes or dendrimerosomes, are widely studied and used as drug delivery systems. The behavior of amphiphilic building blocks strongly depends on their spatial distribution and shape of polar and nonpolar component. This report is focused on the development of new versatile synthetic protocols for amphiphilic carbosilane dendrons (amp-CS-DDNs) capable of self-assembly to regular micelles and other supramolecular objects. The presented strategy enables the fine modification of amphiphilic structure in several ways and also enables the facile connection of a desired functionality. DLS experiments demonstrated correlations between structural parameters of amp-CS-DDNs and the size of formed nanoparticles. For detailed information about the organization and spatial distribution of amp-CS-DDNs assemblies, computer simulation models were studied by using molecular dynamics in explicit water.
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Affiliation(s)
- Antonín Edr
- Institute of Chemical Process Fundamentals of the CAS, v.v.i., Rozvojová 135, 16502 Prague, Czech Republic; (A.E.); (A.K.); (L.Č.Š.); (P.C.)
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Dominika Wrobel
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Alena Krupková
- Institute of Chemical Process Fundamentals of the CAS, v.v.i., Rozvojová 135, 16502 Prague, Czech Republic; (A.E.); (A.K.); (L.Č.Š.); (P.C.)
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Lucie Červenková Šťastná
- Institute of Chemical Process Fundamentals of the CAS, v.v.i., Rozvojová 135, 16502 Prague, Czech Republic; (A.E.); (A.K.); (L.Č.Š.); (P.C.)
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Petra Cuřínová
- Institute of Chemical Process Fundamentals of the CAS, v.v.i., Rozvojová 135, 16502 Prague, Czech Republic; (A.E.); (A.K.); (L.Č.Š.); (P.C.)
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Aleš Novák
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Jan Malý
- Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16828 Prague 6, Czech Republic; (J.M.); (J.K.)
| | - Jitka Kalasová
- Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16828 Prague 6, Czech Republic; (J.M.); (J.K.)
| | - Jan Malý
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
| | - Marek Malý
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
- Correspondence: (M.M.); (T.S.)
| | - Tomáš Strašák
- Institute of Chemical Process Fundamentals of the CAS, v.v.i., Rozvojová 135, 16502 Prague, Czech Republic; (A.E.); (A.K.); (L.Č.Š.); (P.C.)
- Faculty of Science, J.E. Purkyně University in Ústí nad Labem, Pasteurova 15, 40096 Ústí nad Labem, Czech Republic; (D.W.); (A.N.); (J.M.)
- Correspondence: (M.M.); (T.S.)
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10
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Liu S, Zhou X, Nie L, Wang Y, Hu Z, Okoro OV, Shavandi A, Fan L. Anisotropic PLGA microsphere/PVA hydrogel composite with aligned macroporous structures for directed cell adhesion and proliferation. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.2018317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Shuang Liu
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
| | - Xiaohu Zhou
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
| | - Lei Nie
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Youli Wang
- Rizhao Biomedicine and New Materials Research, Wuhan University of Technology, Rizhao, China
| | - Zhihai Hu
- Rizhao Biomedicine and New Materials Research, Wuhan University of Technology, Rizhao, China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles - BioMatter Unit, Brussels, Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles - BioMatter Unit, Brussels, Belgium
| | - Lihong Fan
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
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11
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Ndaleh D, Smith C, Loku Yaddehige M, Shaik AK, Watkins DL, Hammer NI, Delcamp JH. Shortwave Infrared Absorptive and Emissive Pentamethine-Bridged Indolizine Cyanine Dyes. J Org Chem 2021; 86:15376-15386. [PMID: 34647452 DOI: 10.1021/acs.joc.1c01908] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Shortwave infrared (SWIR)-emitting small molecules are desirable for biological imaging applications. In this study, four novel pentamethine indolizine cyanine dyes were synthesized with N,N-dimethylaniline-based substituents on the indolizine periphery at varied substitution sites. The dyes are studied via computational chemistry and optical spectroscopy both in solution and when encapsulated. Dramatic spectral shifts in the absorption and emission spectrum wavelengths with added donor groups are observed. Significant absorption and emission with an emissive quantum yield as high as 3.6% in the SWIR region is possible through the addition of multiple donor groups per indolizine.
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Affiliation(s)
- David Ndaleh
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Cameron Smith
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Mahesh Loku Yaddehige
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Abdul Kalam Shaik
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Davita L Watkins
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Nathan I Hammer
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Jared H Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
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12
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Ranathunge TA, Yaddehige ML, Varma JH, Smith C, Nguyen J, Owolabi I, Kolodziejczyk W, Hammer NI, Hill G, Flynt A, Watkins DL. Heteroacene-Based Amphiphile as a Molecular Scaffold for Bioimaging Probes. Front Chem 2021; 9:729125. [PMID: 34485246 PMCID: PMC8416430 DOI: 10.3389/fchem.2021.729125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 08/03/2021] [Indexed: 11/13/2022] Open
Abstract
The challenges faced with current fluorescence imaging agents have motivated us to study two nanostructures based on a hydrophobic dye, 6H-pyrrolo[3,2-b:4,5-b']bis [1,4]benzothiazine (TRPZ). TRPZ is a heteroacene with a rigid, pi-conjugated structure, multiple reactive sites, and unique spectroscopic properties. Here we coupled TRPZ to a tert-butyl carbamate (BOC) protected 2,2-bis(hydroxymethyl)propanoic acid (bisMPA) dendron via azide-alkyne Huisgen cycloaddition. Deprotection of the protected amine groups on the dendron afforded a cationic terminated amphiphile, TRPZ-bisMPA. TRPZ-bisMPA was nanoprecipitated into water to obtain nanoparticles (NPs) with a hydrodynamic radius that was <150 nm. For comparison, TRPZ-PG was encapsulated in pluronic-F127 (Mw = 12 kD), a polymer surfactant to afford NPs almost twice as large as those formed by TRPZ-bisMPA. Size and stability studies confirm the suitability of the TRPZ-bisMPA NPs for biomedical applications. The photophysical properties of the TRPZ-bisMPA NPs show a quantum yield of 49%, a Stokes shift of 201 nm (0.72 eV) and a lifetime of 6.3 ns in water. Further evidence was provided by cell viability and cellular uptake studies confirming the low cytotoxicity of TRPZ-bisMPA NPs and their potential in bioimaging.
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Affiliation(s)
- Tharindu A. Ranathunge
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
| | - Mahesh Loku Yaddehige
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
| | - Jordan H. Varma
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
| | - Cameron Smith
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
| | - Jay Nguyen
- Cellular and Molecular Biology, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Iyanuoluwani Owolabi
- Cellular and Molecular Biology, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Wojciech Kolodziejczyk
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, MS, United States
| | - Nathan I. Hammer
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
| | - Glake Hill
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, MS, United States
| | - Alex Flynt
- Cellular and Molecular Biology, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Davita L. Watkins
- Department of Chemistry and Biochemistry, University of Mississippi University, Oxford, MS, United States
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13
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Chatterjee S, Meador WE, Smith C, Chandrasiri I, Zia MF, Nguyen J, Dorris A, Flynt A, Watkins DL, Hammer NI, Delcamp JH. SWIR emissive RosIndolizine dyes with nanoencapsulation in water soluble dendrimers. RSC Adv 2021; 11:27832-27836. [PMID: 35480767 PMCID: PMC9037842 DOI: 10.1039/d1ra05479a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 08/09/2021] [Indexed: 12/22/2022] Open
Abstract
Shortwave infrared (SWIR) emission has great potential for deep-tissue in vivo biological imaging with high resolution. In this article, the synthesis and characterization of two new xanthene-based RosIndolizine dyes coded PhRosIndz and tolRosIndz is presented. The dyes are characterized via femtosecond transient absorption spectroscopy as well as steady-state absorption and emission spectroscopies. The emission of these dyes is shown in the SWIR region with peak emission at 1097 nm. TolRosIndz was encapsulated with an amphiphilic linear dendritic block co-polymer (LDBC) coded 10-PhPCL-G3 with high uptake yield. Further, cellular toxicity was examined in vitro using HEK (human embryonic kidney) cells where a >90% cell viability was observed at practical concentrations of the encapsulated dye which indicates low toxicity and reasonable biocompatibility. A xanthene–indolizine dye is shown to emit in the shortwave infrared spectral region (∼1100 nm maximum) in water when nanoencapsulated.![]()
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Affiliation(s)
- Satadru Chatterjee
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - William E Meador
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Cameron Smith
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Indika Chandrasiri
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Mohammad Farid Zia
- Department of Biological Sciences, University of Southern Mississippi Hattiesburg MS 39406 USA
| | - Jay Nguyen
- Department of Biological Sciences, University of Southern Mississippi Hattiesburg MS 39406 USA
| | - Austin Dorris
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Alex Flynt
- Department of Biological Sciences, University of Southern Mississippi Hattiesburg MS 39406 USA
| | - Davita L Watkins
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Nathan I Hammer
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
| | - Jared H Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, University MS 38677 USA
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14
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Application of poly(amidoamine) dendrimer as transfer agent to synthesize poly(amidoamine)-b-poly(methyl acrylate) amphiphilc block copolymers: Self-assembly in aqueous media and drug delivery. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102626] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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15
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Simms BL, Ji N, Chandrasiri I, Zia MF, Udemgba CS, Kaur R, Delcamp JH, Flynt A, Tan C, Watkins DL. Physicochemical properties and bio‐interfacial interactions of surface modified
PDLLA‐PAMAM
linear dendritic block copolymers. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210448] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Briana L. Simms
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
| | - Nan Ji
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy University of Mississippi University Oxford Mississippi USA
| | - Indika Chandrasiri
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
| | - Mohammad Farid Zia
- Department of Biological Sciences The University of Southern Mississippi Hattiesburg Mississippi USA
| | - Chinwe S. Udemgba
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
| | - Ravinder Kaur
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
| | - Alex Flynt
- Department of Biological Sciences The University of Southern Mississippi Hattiesburg Mississippi USA
| | - Chalet Tan
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy University of Mississippi University Oxford Mississippi USA
| | - Davita L. Watkins
- Department of Chemistry and Biochemistry University of Mississippi University Oxford Mississippi USA
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16
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Hu Y, Ni J. A new trinuclear cluster-based Cd(II) compound: photocatalytic property and nursing application values on the bacterial infection. Des Monomers Polym 2021; 24:173-181. [PMID: 34104075 PMCID: PMC8168771 DOI: 10.1080/15685551.2021.1935010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/21/2021] [Indexed: 10/26/2022] Open
Abstract
A new Cd(II) coordination polymer with the formula of {[(CH3)2NH2][Cd3(NH2-bdc)3(btz)(H2O)]} n (1 NH2-H2bdc = 2-aminoterephthalic acid, Hbtz = 1 H-benzotriazole) was produced and then it was structurally characterized through powder X-ray diffraction (PXRD), the analysis of X-ray single-crystal diffraction, along with elemental analysis (EA). The photocatalytic property investigations indicate that compound 1 exhibits good activity for photodegradation of methyl violet (MV) with 60.7% of MV removal in 40 min under room temperature. Furthermore, the assessment of the compound's treatment activity and nursing application values on the bacterial infection was conducted and its corresponding mechanism was also studied. Evaluation of the in vitro hemolysis of the compound was determined by measuring the degree of red blood cell lysis and hemoglobin release. The effect of new compounds on the relative proliferation rate of L-929 cells was measured by MTT assay. The ELISA detection kit showed that the compound could reduce the TNF-α and IL-1β content released into plasma. Next, the inhibitory activity of the compound on the bacterial survival gene expression was also proved with real-time RT-PCR. The hemolysis rate of the new compound to blood is 3.4%, which is less than the standard 5%, which is non-hemolytic reaction. The compound also has no obvious cytotoxicity and has good cell compatibility.
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Affiliation(s)
- Yan Hu
- Department of Infection, Zhuji People’s Hospital of Zhejiang Province, Zhuji, Zhejiang, China
| | - Jiao Ni
- Xiaoshan District Chengxiang Street Community Health Service Center, Hangzhou, Zhejiang, China
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17
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Philipps K, Junkers T, Michels JJ. The block copolymer shuffle in size exclusion chromatography: the intrinsic problem with using elugrams to determine chain extension success. Polym Chem 2021. [DOI: 10.1039/d1py00210d] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Is an increase in hydrodynamic volume always expected in block copolymer synthesis? Why SEC is sometimes not the last word.
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Affiliation(s)
- Kai Philipps
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
| | - Tanja Junkers
- Polymer Reaction Design Group
- School of Chemistry
- Monash University
- Clayton
- Australia
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