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Zhang F, Li Q, Zhu J, Liu X, Ding J, Sun J, Liu Y, Jiang T. Surface-charge-switch triggered self assembly of vancomycin modified carbon nanodots for enhanced photothermal eradication of vancomycin-resistant Enterococci biofilms. Colloids Surf B Biointerfaces 2023; 224:113207. [PMID: 36801745 DOI: 10.1016/j.colsurfb.2023.113207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 01/03/2023] [Accepted: 02/10/2023] [Indexed: 02/14/2023]
Abstract
A new type of vancomycin (Van)-modified carbon nanodots (CNDs@Van) with pH-responsive surface charge switchable activity was successfully developed by covalently cross-linking Van on the surface of carbon nanodots (CNDs). Polymeric Van was formed on the surface of CNDs by covalent modification, which enhanced the targeted binding of CNDs@Van to vancomycin-resistant enterococci (VRE) biofilms and effectively reduced the carboxyl groups on the surface of CNDs to achieve pH-responsive surface charge switching. Most importantly, CNDs@Van was free at pH 7.4, but assembled at pH 5.5 owing to surface charge switching from negative to zero, resulting in remarkably enhanced near-infrared (NIR) absorption and photothermal properties. CNDs@Van exhibited good biocompatibility, low cytotoxicity, and weak hemolytic effects under physiological conditions (pH 7.4). Regarding targeted binding to VRE bacteria, CNDs@Van self-assembled in a weakly acidic environment (pH 5.5) generated by VRE biofilms, giving enhanced photokilling effects in in vitro and in vivo assays. Therefore, potentially, CNDs@Van can be used as a novel antimicrobial agent against VRE bacterial infections and their biofilms.
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Affiliation(s)
- Fang Zhang
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Qixian Li
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Jingru Zhu
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Xinyue Liu
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Juan Ding
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Jie Sun
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Yang Liu
- School of Life Sciences, Ludong University, Yantai 264025, China
| | - Tingting Jiang
- School of Life Sciences, Ludong University, Yantai 264025, China.
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2
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Ratre P, Nazeer N, Kumari R, Thareja S, Jain B, Tiwari R, Kamthan A, Srivastava RK, Mishra PK. Carbon-Based Fluorescent Nano-Biosensors for the Detection of Cell-Free Circulating MicroRNAs. BIOSENSORS 2023; 13:226. [PMID: 36831992 PMCID: PMC9953975 DOI: 10.3390/bios13020226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Currently, non-communicable diseases (NCDs) have emerged as potential risks for humans due to adopting a sedentary lifestyle and inaccurate diagnoses. The early detection of NCDs using point-of-care technologies significantly decreases the burden and will be poised to transform clinical intervention and healthcare provision. An imbalance in the levels of circulating cell-free microRNAs (ccf-miRNA) has manifested in NCDs, which are passively released into the bloodstream or actively produced from cells, improving the efficacy of disease screening and providing enormous sensing potential. The effective sensing of ccf-miRNA continues to be a significant technical challenge, even though sophisticated equipment is needed to analyze readouts and expression patterns. Nanomaterials have come to light as a potential solution as they provide significant advantages over other widely used diagnostic techniques to measure miRNAs. Particularly, CNDs-based fluorescence nano-biosensors are of great interest. Owing to the excellent fluorescence characteristics of CNDs, developing such sensors for ccf-microRNAs has been much more accessible. Here, we have critically examined recent advancements in fluorescence-based CNDs biosensors, including tools and techniques used for manufacturing these biosensors. Green synthesis methods for scaling up high-quality, fluorescent CNDs from a natural source are discussed. The various surface modifications that help attach biomolecules to CNDs utilizing covalent conjugation techniques for multiple applications, including self-assembly, sensing, and imaging, are analyzed. The current review will be of particular interest to researchers interested in fluorescence-based biosensors, materials chemistry, nanomedicine, and related fields, as we focus on CNDs-based nano-biosensors for ccf-miRNAs detection applications in the medical field.
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Affiliation(s)
- Pooja Ratre
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Nazim Nazeer
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Roshani Kumari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda 151401, India
| | - Bulbul Jain
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Rajnarayan Tiwari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Arunika Kamthan
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Rupesh K. Srivastava
- Department of Biotechnology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Pradyumna Kumar Mishra
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
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Ramos-Soriano J, Ghirardello M, Galan MC. Carbon-based glyco-nanoplatforms: towards the next generation of glycan-based multivalent probes. Chem Soc Rev 2022; 51:9960-9985. [PMID: 36416290 PMCID: PMC9743786 DOI: 10.1039/d2cs00741j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Indexed: 11/24/2022]
Abstract
Cell surface carbohydrates mediate a wide range of carbohydrate-protein interactions key to healthy and disease mechanisms. Many of such interactions are multivalent in nature and in order to study these processes at a molecular level, many glycan-presenting platforms have been developed over the years. Among those, carbon nanoforms such as graphene and their derivatives, carbon nanotubes, carbon dots and fullerenes, have become very attractive as biocompatible platforms that can mimic the multivalent presentation of biologically relevant glycosides. The most recent examples of carbon-based nanoplatforms and their applications developed over the last few years to study carbohydrate-mediate interactions in the context of cancer, bacterial and viral infections, among others, are highlighted in this review.
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Affiliation(s)
- Javier Ramos-Soriano
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC and Universidad de Sevilla, Américo Vespucio, 49, 41092 Sevilla, Spain.
| | - Mattia Ghirardello
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
- Departamento de Química, Universidad de La Rioja, Calle Madre de Dios 53, 26006 Logroño, Spain.
| | - M Carmen Galan
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
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Agrahari AK, Bose P, Jaiswal MK, Rajkhowa S, Singh AS, Hotha S, Mishra N, Tiwari VK. Cu(I)-Catalyzed Click Chemistry in Glycoscience and Their Diverse Applications. Chem Rev 2021; 121:7638-7956. [PMID: 34165284 DOI: 10.1021/acs.chemrev.0c00920] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Copper(I)-catalyzed 1,3-dipolar cycloaddition between organic azides and terminal alkynes, commonly known as CuAAC or click chemistry, has been identified as one of the most successful, versatile, reliable, and modular strategies for the rapid and regioselective construction of 1,4-disubstituted 1,2,3-triazoles as diversely functionalized molecules. Carbohydrates, an integral part of living cells, have several fascinating features, including their structural diversity, biocompatibility, bioavailability, hydrophilicity, and superior ADME properties with minimal toxicity, which support increased demand to explore them as versatile scaffolds for easy access to diverse glycohybrids and well-defined glycoconjugates for complete chemical, biochemical, and pharmacological investigations. This review highlights the successful development of CuAAC or click chemistry in emerging areas of glycoscience, including the synthesis of triazole appended carbohydrate-containing molecular architectures (mainly glycohybrids, glycoconjugates, glycopolymers, glycopeptides, glycoproteins, glycolipids, glycoclusters, and glycodendrimers through regioselective triazole forming modular and bio-orthogonal coupling protocols). It discusses the widespread applications of these glycoproducts as enzyme inhibitors in drug discovery and development, sensing, gelation, chelation, glycosylation, and catalysis. This review also covers the impact of click chemistry and provides future perspectives on its role in various emerging disciplines of science and technology.
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Affiliation(s)
- Anand K Agrahari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Sanchayita Rajkhowa
- Department of Chemistry, Jorhat Institute of Science and Technology (JIST), Jorhat, Assam 785010, India
| | - Anoop S Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Srinivas Hotha
- Department of Chemistry, Indian Institute of Science and Engineering Research (IISER), Pune, Maharashtra 411021, India
| | - Nidhi Mishra
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
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Spanedda MV, Bourel-Bonnet L. Cyclic Anhydrides as Powerful Tools for Bioconjugation and Smart Delivery. Bioconjug Chem 2021; 32:482-496. [PMID: 33662203 DOI: 10.1021/acs.bioconjchem.1c00023] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cyclic anhydrides are potent tools for bioconjugation; therefore, they are broadly used in the functionalization of biomolecules and carriers. The pH-dependent stability and reactivity, as well as the physical properties, can be tuned by the structure of the cyclic anhydride used; thus, their application in smart delivery systems has become very important. This review intends to cover the last updates in the use of cyclic anhydrides as pH-sensitive linkers, their differences in reactivity, and the latest applications found in bioconjugation chemistry or chemical biology, and when possible, in drug delivery.
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Affiliation(s)
- Maria Vittoria Spanedda
- Laboratoire de Conception et Application de Molécules Bioactives, 3Bio team, ITI InnoVec, UMR 7199 - CNRS/Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, BP 60024, 67401 Illkirch Cedex, France
| | - Line Bourel-Bonnet
- Laboratoire de Conception et Application de Molécules Bioactives, 3Bio team, ITI InnoVec, UMR 7199 - CNRS/Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, BP 60024, 67401 Illkirch Cedex, France
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Huo Z, Xia L, Li G, Xiao X. A "Polymer Template" Strategy for Carbonized Polymer Dots with Controllable Properties. Chemistry 2020; 26:14754-14764. [PMID: 32841406 DOI: 10.1002/chem.202003379] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Indexed: 01/07/2023]
Abstract
Limited avenues are available for property control of carbonized polymer dots (PDs) owing to the unsatisfactory understanding of PDs" formation. Herein, a de novo "polymer template" strategy is presented for PDs with customizable functional surface groups (FSG), size, and underlying fluorescence, with a detailed mechanism. The strategy relies on novel di-active site polymers (DASPs) prepared from alkenyl azides via [3+2] cycloaddition and guanidino hydrolysis. Benefiting from these specific reactions, the DASPs were convenient for mass production and stable for storage, and could be transformed to PDs upon addition of nucleophilic agents through nucleophilic addition and substitution at 70 °C. By regulating the types of alkenyl azides, nucleophilic agents, and reaction conditions, the as-prepare PDs could be tailored with controlled types of core, FSG, and particle size, as well as fluorescence properties of quantum yield from 8.2-55.6 %, and emission maximum from 380-500 nm. These specialties make this "polymer template" strategy a promising start for building PDs-based sensor platforms. Moreover, the strategy could further our understanding towards PDs' formation, and open up a new way to customize PDs for specific needs in the fields of analysis, catalysis, images, etc.
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Affiliation(s)
- Zhiming Huo
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Xiaohua Xiao
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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