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Huang B, Wang K, Zhang J, Yan H, Zhao H, Han L, Han T, Tang BZ. Targeted and Long-Term Fluorescence Imaging of Plant Cytomembranes Using Main-Chain Charged Polyelectrolytes with Aggregation-Induced Emission. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38349972 DOI: 10.1021/acsami.3c16257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Fluorescent polyelectrolytes have attracted tremendous attention due to their unique properties and wide applications. However, current research objects of fluorescent polyelectrolytes mainly focus on side-chain charged polyelectrolytes, and the applications of polyelectrolytes in plant cytomembrane imaging with long time and high specificity still remain challenging. Herein, long-time and targeted fluorescence imaging of plant cytomembranes was achieved for the first time using main-chain charged polyelectrolytes (MCCPs) with aggregation-induced emission (AIE). A series of MCCPs were designed and synthesized, among which the red-emissive and AIE-active MCCP with a triphenylamine linker and a cyano group around the cationic ring-fused heterocyclic core showed the best fluorescence imaging performance of plant cells. Unlike other MCCPs and its neutral form of polymer, this cyano-substituted conjugated polyelectrolyte can specifically target the cytomembrane of plant cells within a short staining time with many advantages, including wash-free staining, high photostability and imaging integrity, excellent durability (at least 12 h), and low biotoxicity. In addition to onion epidermal cells, this AIE fluorescence probe also shows good imaging capabilities for other kinds of plant cells such as Glycine max and Vigna radiata. Such an AIE-active MCCP-based imaging system provides an effective design strategy to develop fluorescence probes with high specificity and long-term imaging ability toward plant plasma membranes.
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Affiliation(s)
- Baojian Huang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Kang Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Jinchuan Zhang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Hewei Yan
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Hui Zhao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Lei Han
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Ting Han
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ben Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
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2
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A short review article on conjugated polymers. JOURNAL OF POLYMER RESEARCH 2023. [PMCID: PMC9947454 DOI: 10.1007/s10965-023-03451-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
This article provides a brief review of conjugated polymers and the various typical polymerization reactions exploited by the community to synthesise different conjugated polyelectrolytes with varied conjugated backbone systems. We further discuss with detailed emphasises the mechanism involved such as photo-induced electron transfer, resonance energy transfer, and intra-molecular charge transfer in the detection or sensing of various analytes. Owing to their excellent photo-physical properties, facile synthesis, ease of functionalization, good biocompatibility, optical stability, high quantum yield, and strong fluorescence emission. Conjugated polymers have been explored for wide applications such as chemical and biological sensors, drug delivery and drug screening, cancer therapeutics and imaging. As such we believe it will be a timely review article for the community.
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Rong S, Shi W, Zhang S, Wang X. Circularly and Linearly Polarized Luminescence from AIE Luminogens Induced by Super‐Aligned Assemblies of Sub‐1 nm Nanowires. Angew Chem Int Ed Engl 2022; 61:e202208349. [DOI: 10.1002/anie.202208349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Shujian Rong
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry Tsinghua University Beijing 100084 China
| | - Wenxiong Shi
- Institute for New Energy Materials and Low Carbon Technologies School of Materials Science and Engineering Tianjin University of Technology Tianjin 300387 China
| | - Simin Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry Tsinghua University Beijing 100084 China
| | - Xun Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry Tsinghua University Beijing 100084 China
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Tran Ngoc Huy D, Iswanto AH, Catalan Opulencia MJ, Al-Saikhan F, Timoshin A, Abed AM, Ahmad I, Blinova SA, Hammid AT, Mustafa YF, Van Tuan P. Optical and Electrochemical Aptasensors Developed for the Detection of Alpha-Fetoprotein. Crit Rev Anal Chem 2022; 54:857-871. [PMID: 35969067 DOI: 10.1080/10408347.2022.2099221] [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] [Indexed: 01/09/2023]
Abstract
Early diagnosis of hepatocellular carcinoma (HCC), a leading cause of cancer mortality, is decisive for successful treatment of this type of cancer and increasing the patients' survival rate. Alpha-fetoprotein (AFP) is a glycoprotein that has been currently employed as a potential serological biomarker for determination of HCC and several other cancers. Achieving highly sensitive and specific detection of this biomarker is an effective strategy to inhibit developing issues caused by the cancer. Though, traditional procedures cannot meet the requirements due to the technical drawbacks. Recently, growing number of aptamer-based biosensors (aptasensors) attracted important attention as superior diagnostic tools because of their unique properties such as high stability, target versatility and remarkable affinity and selectivity. Nanomaterials, which broadly employed in the structure of these aptasensors, can considerably enhance the detection limit and sensitivity of analytes determination. Therefore, this review selectively investigated the recent progresses in several different optical and electrochemical aptasensors and nano-aptasensors designed for AFP assay.
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Affiliation(s)
- Dinh Tran Ngoc Huy
- MBA, Banking University HCMC, Ho Chi Minh City, Vietnam
- International University of Japan, Niigata, Japan
| | - A Heri Iswanto
- Public Health Department, Faculty of Health Science, University of Pembangunan Nasional Veteran Jakarta, Jakarta, Indonesia
| | | | - Fahad Al-Saikhan
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Kingdom of Saudi Arabia
| | - Anton Timoshin
- Department of Propaedeutics of Dental Diseases, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Azher M Abed
- Department of Air Conditioning and Refrigeration, Al-Mustaqbal University College, Babylon, Iraq
| | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Sofiya A Blinova
- Department of Histology, Embryology, and Cytology, Samarkand State Medical Institute, Samarkand, Uzbekistan
| | - Ali Thaeer Hammid
- Computer Engineering Department, Imam Ja'afar Al-Sadiq University, Baghdad, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
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5
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Rong S, Shi W, Zhang S, Wang X. Circularly and Linearly Polarized Luminescence from AIE Luminogens Induced by Super‐aligned Assemblies of Sub‐1 nm Nanowires. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shujian Rong
- Tsinghua University Department of Chemistry Chemistry CHINA
| | - Wenxiong Shi
- Tianjin University of Technology School of Materials Science and Engineering CHINA
| | - Simin Zhang
- Tsinghua University Department of Chemistry Chemistry CHINA
| | - Xun Wang
- Tsinghua University Department of Chemistry Haidian District, Chengfu Road 100084 Beijing CHINA
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6
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Sun H, Schanze KS. Functionalization of Water-Soluble Conjugated Polymers for Bioapplications. ACS APPLIED MATERIALS & INTERFACES 2022; 14:20506-20519. [PMID: 35473368 DOI: 10.1021/acsami.2c02475] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Water-soluble conjugated polymers (WS-CPs) have found widespread use in bioapplications ranging from in vitro optical sensing to in vivo phototherapy. Modification of WS-CPs with specific molecular functional units is necessary to enable them to interact with biological targets. These targets include proteins, nucleic acids, antibodies, cells, and intracellular components. WS-CPs have been modified with covalently linked sugars, peptides, nucleic acids, biotin, proteins, and other biorecognition elements. The objective of this article is to comprehensively review the various synthetic chemistries that have been used to covalently link biofunctional groups onto WS-CP platforms. These chemistries include amidation, nucleophilic substitution, Click reactions, and conjugate addition. Different types of WS-CP backbones have been used as platforms including poly(fluorene), poly(phenylene ethynylene), polythiophene, poly(phenylenevinylene), and others. Example applications of biofunctionalized WS-CPs are also reviewed. These include examples of protein sensing, flow cytometry labeling, and cancer therapy. The major challenges and future development of functionalized conjugated polymers are also discussed.
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Affiliation(s)
- Han Sun
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Kirk S Schanze
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
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Conjugated polymer nanoparticles and their nanohybrids as smart photoluminescent and photoresponsive material for biosensing, imaging, and theranostics. Mikrochim Acta 2022; 189:83. [PMID: 35118576 DOI: 10.1007/s00604-021-05153-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 12/13/2021] [Indexed: 02/06/2023]
Abstract
The emergence of conjugated polymers (CPs) has provided a pathway to attain smart multifunctional conjugated polymer nanoparticles (CPNs) with enhanced properties and diverse applications. CPNs based on π-extended CPs exhibit high fluorescence brightness, low cytotoxicity, excellent photostability, reactive oxygen species (ROS) generation ability, high photothermal conversion efficiency (PCE), etc. which endorse them as an excellent theranostic tool. Furthermore, the unique light-harvesting and energy transfer properties of CPNs enables their transformation into smart functional nanohybrids with augmented performance. Owing to such numerous features, simple preparation method and an easy separation process, the CPNs and their hybrids have been constantly rising as a frontrunner in the domain of medicine and much work has been done in the respective research area. This review summarizes the recent progress that has been made in the field of CPNs for biological and biomedical applications with special emphasis on biosensing, imaging, and theranostics. Following an introduction into the field, a first large section provides overview of the conventional as well as recently established synthetic methods for various types of CPNs. Then, the CPNs-based fluorometric assays for biomolecules based on different detection strategies have been described. Later on, examples of CPNs-based probes for imaging, both in vitro and in vivo using cancer cells and animal models have been explored. The next section highlighted the vital theranostic applications of CPNs and corresponding nanohybrids, mainly via imaging-guided photodynamic therapy (PDT), photothermal therapy (PTT) and drug delivery. The last section summarizes the current challenges and gives an outlook on the potential future trends on CPNs as advanced healthcare material.
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Liu H, You Y, Zhu Y, Zheng H. Recent advances in the exonuclease III-assisted target signal amplification strategy for nucleic acid detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5103-5119. [PMID: 34664562 DOI: 10.1039/d1ay01275d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The detection of nucleic acids has become significantly important in molecular diagnostics, gene therapy, mutation analysis, forensic investigations and biomedical development, and so on. In recent years, exonuclease III (Exo III) as an enzyme in the 3'-5' exonuclease family has evolved as a frequently used technique for signal amplification of low level DNA target detection. Different from the traditional target amplification strategies, the Exo III-assisted amplification strategy has been used for target DNA detection through directly amplifying the amounts of signal reagents. The Exo III-assisted amplification strategy has its unique advantages and characters, because the character of non-specific recognition of Exo III can overcome the limitation of a target-to-probe ratio of 1 : 1 in the traditional nucleic acid hybridization assay and acquire higher sensitivity. In this review, we selectively discuss the recent advances in the Exo III-assisted amplification strategy, including the amplification strategy integrated with nanomaterials, biosensors, hairpin probes and other nucleic acid detection methods. We also discuss the strengths and limitations of each strategy and methods to overcome the limitations.
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Affiliation(s)
- Hongyu Liu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, P. R. China.
| | - Yuhao You
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, P. R. China.
| | - Youzhuo Zhu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, P. R. China.
| | - Heng Zheng
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, P. R. China.
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9
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AIE materials for lysosome imaging. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2021. [PMID: 34749972 DOI: 10.1016/bs.pmbts.2021.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
The aggregation-induced emission (AIE) active bioprobes are known for their high photostability and extraordinary signal to noise ratio. In view of this, research efforts to synthesize new AIE bioimaging probes are at an incredible speed. In this chapter, we have summarized the various lysosome specific AIE active "turn-on" bioprobes having applications in lysosome imaging, monitoring of lysosome bioactivity and evaluation of their therapeutic effects. By discussing their design and operational mechanisms, we hope to provide more insight into designing new AIE bioprobes for specific sensing and imaging of lysosome having flexibility for broad range of biomedical applications.
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10
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Chevrier M, Kesters J, Houston JE, Van den Brande N, Chambon S, Richeter S, Van Mele B, Arnold T, Mehdi A, Lazzaroni R, Dubois P, Evans RC, Maes W, Clément S. Phosphonium‐based polythiophene conjugated polyelectrolytes with different surfactant counterions: thermal properties, self‐assembly and photovoltaic performances. POLYM INT 2021. [DOI: 10.1002/pi.6088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Michèle Chevrier
- ICGM, Univ. Montpellier, CNRS, ENSCM Montpellier France
- Service des Matériaux Polymères et Composites (SMPC), Centre d'Innovation et de Recherche en Matériaux et Polymères (CIRMAP), Université de Mons – UMONS Mons Belgium
| | - Jurgen Kesters
- UHasselt – Hasselt University, Institute for Materials Research (IMO), Design and Synthesis of Organic Semiconductors (DSOS) Diepenbeek Belgium
| | - Judith E Houston
- Jülich Centre for Neutron Science (JCNS) at the Heinz Maier‐Leibnitz Zentrum (MLZ), Forschungszentrum Jülich GmbH Garching Germany
| | - Niko Van den Brande
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB) Brussels Belgium
| | - Sylvain Chambon
- Univ. Bordeaux, IMS, CNRS, UMR 5218, Bordeaux INP, ENSCBP Talence France
| | | | - Bruno Van Mele
- Physical Chemistry and Polymer Science (FYSC), Vrije Universiteit Brussel (VUB) Brussels Belgium
| | - Thomas Arnold
- Diamond Light Source Ltd, Harwell Science and Innovation Campus Didcot UK
- European Spallation Source ERIC Lund Sweden
- Department of Chemistry University of Bath Bath UK
- ISIS Neutron and Muon Source, Rutherford Appleton Laboratory Didcot UK
| | - Ahmad Mehdi
- ICGM, Univ. Montpellier, CNRS, ENSCM Montpellier France
| | - Roberto Lazzaroni
- Laboratory for Chemistry of Novel Materials, CIRMAP University of Mons – UMONS Mons Belgium
| | - Philippe Dubois
- Service des Matériaux Polymères et Composites (SMPC), Centre d'Innovation et de Recherche en Matériaux et Polymères (CIRMAP), Université de Mons – UMONS Mons Belgium
| | - Rachel C Evans
- Department of Materials Science and Metallurgy University of Cambridge Cambridge UK
| | - Wouter Maes
- UHasselt – Hasselt University, Institute for Materials Research (IMO), Design and Synthesis of Organic Semiconductors (DSOS) Diepenbeek Belgium
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11
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Yucel M, Koc A, Ulgenalp A, Akkoc GD, Ceyhan M, Yildiz UH. PCR-Free Methodology for Detection of Single-Nucleotide Polymorphism with a Cationic Polythiophene Reporter. ACS Sens 2021; 6:950-957. [PMID: 33621051 DOI: 10.1021/acssensors.0c02130] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This study presents a nonamplification-based nucleic acid assay for the detection of single-nucleotide polymorphism (SNP) associated with familial Mediterranean fever (FMF) besides polymerase chain reaction (PCR)-based methodologies. The major objective is to show the potential of the proposed assay for rapid screening of FMF in a Mediterranean region of 400 million population. The assay relies on binding difference of specially designed wild and mutant primers to the target genomic DNA, followed by determination of unbound primers by quick titration of a cationic polythiophene reporter. The fluorescent reporter exhibits signal transition from 525 to 580 nm in the presence of unbound primers, and it correlates the binding affinity of label-free primers to the homozygous wild and mutant genomes. As a proof of concept, 26 real samples are studied relying on the ON and OFF fluorescence signals of the cationic polythiophene reporter. The results are analyzed by principal component analysis (PCA), which provides clear separation of healthy and patient individuals. The further analysis by support vector machine (SVM) classification has revealed that our assay converges to 96% overall accuracy. These results support that the PCR-free nucleic acid assay has a significant potential for rapid and cost-effective screening of familial Mediterranean fever.
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Affiliation(s)
- Muge Yucel
- Department of Bioengineering and Biotechnology, Izmir Institute of Technology, Izmir 35430, Turkey
| | - Altug Koc
- Department of Medical Genetics, Faculty of Medicine, Dokuz Eylul University, Izmir 35330, Turkey
| | - Ayfer Ulgenalp
- Department of Medical Genetics, Faculty of Medicine, Dokuz Eylul University, Izmir 35330, Turkey
| | - Gun Deniz Akkoc
- Department of Chemistry, Izmir Institute of Technology, İzmir 35430, Turkey
| | - Metin Ceyhan
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylul University, Izmir 35330, Turkey
| | - Umit Hakan Yildiz
- Department of Chemistry, Izmir Institute of Technology, İzmir 35430, Turkey
- Department of Photonic Science and Engineering, Izmir Institute of Technology, Izmir 35430, Turkey
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12
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Chen Y, Xu Z, Hu W, Li X, Cheng Y, Quan Y. Strong-Induced CPL Emission Promoted from Achiral Conjugated Polymer-Containing Emissive Nematic Liquid Crystals (P-N*-LCs). Macromol Rapid Commun 2020; 42:e2000548. [PMID: 33244815 DOI: 10.1002/marc.202000548] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/16/2020] [Indexed: 01/24/2023]
Abstract
With the rapid development on 3D printing technology, more and more works have been devoted to 3D display. 3D display will really come true by using circularly polarized luminescence (CPL)-active materials with both high quantum yield and dissymmetry factor (gem ) in organic light-emitting diode or liquid crystals (LCs). But so far most of these CPL materials cannot meet the real application requirement because of the low gem values in the range of 10-5 -10-2 . In this paper, ternary chiral emissive LCs (P-N*-LCs) is designed by doping chiral binaphthyl-based enantiomers as chiral dopant (Guest 1) and achiral conjugated polymer as induced CPL emitter (Guest 2) into nematic liquid crystal (N-LCs) Host 5CB. Both Guest 1 and Guest 2 show excellent compatibility with Host 5CB. The obtained ternary P-N*-LCs can emit strong-induced CPL signal with gem up to 1.12 and ФFL up to 66.1%. This work first develops a new strategy for the smart design of excellent CPL materials from versatile achiral conjugation fluorescence polymers.
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Affiliation(s)
- Yihan Chen
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Zhaoran Xu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Wenrui Hu
- Key Lab of Mesoscopic Chemistry of MOE and Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Xiaojing Li
- Key Lab of Mesoscopic Chemistry of MOE and Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yixiang Cheng
- Key Lab of Mesoscopic Chemistry of MOE and Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yiwu Quan
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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Biswas R, Ghosh S, Bhaumik SK, Banerjee S. Selective recognition of ATP by multivalent nano-assemblies of bisimidazolium amphiphiles through "turn-on" fluorescence response. Beilstein J Org Chem 2020; 16:2728-2738. [PMID: 33224299 PMCID: PMC7670119 DOI: 10.3762/bjoc.16.223] [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: 08/01/2020] [Accepted: 10/23/2020] [Indexed: 11/23/2022] Open
Abstract
Bisimidazolium receptors, tagged with chromophoric pyrene at one end and linked to an n-alkyl chain at the other, underwent self-assembly in aqueous media depending on the length of the alkyl segment. The amphiphilic derivatives having n-decyl or longer chains, formed nano-assemblies with cyanic-green emission resulting from the stacked pyrene chromophores in the aggregates. The presence of positive surface charges on the multivalent aggregates led to ATP binding which was accompanied by a significant increase in the excimeric emission intensity. This provided a convenient way of monitoring ATP binding in a "turn-on" mode and an efficient detection of ATP was achieved in aqueous buffer and also in buffer containing 150 mM NaCl at physiological pH value. Furthermore, the multivalent aggregates demonstrated a significant selectivity in ATP detection over ADP, AMP and pyrophosphate.
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Affiliation(s)
- Rakesh Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, Nadia, India
| | - Surya Ghosh
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, Nadia, India
| | - Shubhra Kanti Bhaumik
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, Nadia, India
| | - Supratim Banerjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, Nadia, India
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Biswas R, Naskar S, Ghosh S, Das M, Banerjee S. A Remarkable Fluorescence Quenching Based Amplification in ATP Detection through Signal Transduction in Self-Assembled Multivalent Aggregates. Chemistry 2020; 26:13595-13600. [PMID: 32776606 DOI: 10.1002/chem.202002648] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/22/2020] [Indexed: 01/20/2023]
Abstract
Signal transduction is essential for the survival of living organisms, because it allows them to respond to the changes in external environments. In artificial systems, signal transduction has been exploited for the highly sensitive detection of analytes. Herein, a remarkable signal transduction, upon ATP binding, in the multivalent fibrillar nanoaggregates of anthracene conjugated imidazolium receptors is reported. The aggregates of one particular amphiphilic receptor sensed ATP in high pm concentrations with one ATP molecule essentially quenching the emission of thousands of receptors. A cooperative merging of the multivalent binding and signal transduction led to this superquenching and translated to an outstanding enhancement of more than a millionfold in the sensitivity of ATP detection by the nanoaggregates; in comparison to the "molecular" imidazolium receptors. Furthermore, an exceptional selectivity to ATP over other nucleotides was demonstrated.
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Affiliation(s)
- Rakesh Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India
| | - Sumit Naskar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India
| | - Surya Ghosh
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India
| | - Mousumi Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India
| | - Supratim Banerjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, India
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Lichon L, Kotras C, Myrzakhmetov B, Arnoux P, Daurat M, Nguyen C, Durand D, Bouchmella K, Ali LMA, Durand JO, Richeter S, Frochot C, Gary-Bobo M, Surin M, Clément S. Polythiophenes with Cationic Phosphonium Groups as Vectors for Imaging, siRNA Delivery, and Photodynamic Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1432. [PMID: 32708042 PMCID: PMC7466636 DOI: 10.3390/nano10081432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 12/22/2022]
Abstract
In this work, we exploit the versatile function of cationic phosphonium-conjugated polythiophenes to develop multifunctional platforms for imaging and combined therapy (siRNA delivery and photodynamic therapy). The photophysical properties (absorption, emission and light-induced generation of singlet oxygen) of these cationic polythiophenes were found to be sensitive to molecular weight. Upon light irradiation, low molecular weight cationic polythiophenes were able to light-sensitize surrounding oxygen into reactive oxygen species (ROS) while the highest were not due to its aggregation in aqueous media. These polymers are also fluorescent, allowing one to visualize their intracellular location through confocal microscopy. The most promising polymers were then used as vectors for siRNA delivery. Due to their cationic and amphipathic features, these polymers were found to effectively self-assemble with siRNA targeting the luciferase gene and deliver it in MDA-MB-231 cancer cells expressing luciferase, leading to 30-50% of the gene-silencing effect. In parallel, the photodynamic therapy (PDT) activity of these cationic polymers was restored after siRNA delivery, demonstrating their potential for combined PDT and gene therapy.
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Affiliation(s)
- Laure Lichon
- IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (L.L.); (C.N.); (D.D.); (L.M.A.A.)
| | - Clément Kotras
- Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons—UMONS, 20 Place du Parc, 7000 Mons, Belgium; (C.K.); (M.S.)
- ICGM, University of Montpellier, CNRS, ENSCM, CC1701, Place Eugène Bataillon, 34095 Montpellier, France; (K.B.); (J.-O.D.); (S.R.)
| | - Bauyrzhan Myrzakhmetov
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, Université de Lorraine, CNRS, 54000 Nancy, France; (B.M.); (P.A.); (C.F.)
| | - Philippe Arnoux
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, Université de Lorraine, CNRS, 54000 Nancy, France; (B.M.); (P.A.); (C.F.)
| | - Morgane Daurat
- NanoMedSyn, 15 Avenue Charles Flahault, 34093 Montpellier, France;
| | - Christophe Nguyen
- IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (L.L.); (C.N.); (D.D.); (L.M.A.A.)
| | - Denis Durand
- IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (L.L.); (C.N.); (D.D.); (L.M.A.A.)
| | - Karim Bouchmella
- ICGM, University of Montpellier, CNRS, ENSCM, CC1701, Place Eugène Bataillon, 34095 Montpellier, France; (K.B.); (J.-O.D.); (S.R.)
| | - Lamiaa Mohamed Ahmed Ali
- IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (L.L.); (C.N.); (D.D.); (L.M.A.A.)
- Department of Biochemistry, Medical Research Institute, University of Alexandria, Alexandria 21561, Egypt
| | - Jean-Olivier Durand
- ICGM, University of Montpellier, CNRS, ENSCM, CC1701, Place Eugène Bataillon, 34095 Montpellier, France; (K.B.); (J.-O.D.); (S.R.)
| | - Sébastien Richeter
- ICGM, University of Montpellier, CNRS, ENSCM, CC1701, Place Eugène Bataillon, 34095 Montpellier, France; (K.B.); (J.-O.D.); (S.R.)
| | - Céline Frochot
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, Université de Lorraine, CNRS, 54000 Nancy, France; (B.M.); (P.A.); (C.F.)
| | - Magali Gary-Bobo
- IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (L.L.); (C.N.); (D.D.); (L.M.A.A.)
| | - Mathieu Surin
- Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons—UMONS, 20 Place du Parc, 7000 Mons, Belgium; (C.K.); (M.S.)
| | - Sébastien Clément
- ICGM, University of Montpellier, CNRS, ENSCM, CC1701, Place Eugène Bataillon, 34095 Montpellier, France; (K.B.); (J.-O.D.); (S.R.)
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16
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Wei Y, Xu L, He S, Li C, Wu Q, Zeng X, Wang H, Liu K. Novel benzimidazole-based conjugated polyelectrolytes: synthesis, solution photophysics and fluorescent sensing of metal ions. E-POLYMERS 2020. [DOI: 10.1515/epoly-2020-0003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
AbstractTwo benzimidazole-based conjugated polyelectrolytes (+)-PPBIPV and (-)-PPBIPV which have opposite charges on their side chains were synthesized via Heck coupling reaction and characterized by 1H-NMR, UV-vis and PL spectroscopy. These two polyelectrolytes are both consisted of benzimidazole derivatives and phenylenevinylene units. The absorption and emission spectra reveal that the polymers both have solvent-dependency and concentration-dependency, and they exhibit aggregation effect in aqueous solution. In the respect of ion detection, the aqueous solution of (+)-PPBIPV has excellent selectivity and sensitivity for Fe3+. Moreover, Pd2+ can almost completely quench the fluorescence of (+)-PPBIPV in methanol solution, and its quenching constant KSV is 5.93×104 M-1. For (-)-PPBIPV, Sn2+ can double the fluorescence intensity of its aqueous solution, while (-)-PPBIPV has good identification for Fe3+ in methanol with a KSV = 3.44×105 M-1. Hence, two polyelectrolytes have considerable potential to become effective fluorescent sensing materials for some specific metal ions. All of the stoichiometric relationships between metal ions and conjugated polyelectrolytes were calculated using Benesi-Hildebrand equation.
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Affiliation(s)
- Yuhan Wei
- College of Science, Sichuan Agricultural University, Yaan625014, China
| | - Lei Xu
- College of Science, Sichuan Agricultural University, Yaan625014, China
| | - Shengjiao He
- College of Science, Sichuan Agricultural University, Yaan625014, China
| | - Chenglei Li
- College of Life Science, Sichuan Agricultural University, Yaan625014, China
| | - Qi Wu
- College of Life Science, Sichuan Agricultural University, Yaan625014, China
| | - Xianyin Zeng
- College of Life Science, Sichuan Agricultural University, Yaan625014, China
| | - Hanguang Wang
- College of Science, Sichuan Agricultural University, Yaan625014, China
| | - Kuan Liu
- College of Science, Sichuan Agricultural University, Yaan625014, China
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17
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Bhaumik SK, Patra YS, Banerjee S. High affinity heparin detection by multivalent supramolecular polymers through aggregation induced emission. Chem Commun (Camb) 2020; 56:9541-9544. [DOI: 10.1039/d0cc03644g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Supramolecular polymers based on aggregation induced emission active cationic cyanostilbenes provide a highly sensitive “light-up” platform for heparin detection.
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Affiliation(s)
- Shubhra Kanti Bhaumik
- The Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Nadia
- India
| | - Yoti Shankar Patra
- The Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Nadia
- India
| | - Supratim Banerjee
- The Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Nadia
- India
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18
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Bai L, Xu Y, Li L, Tao F, Wang S, Wang L, Li G. An efficient water-soluble fluorescent chemosensor based on furan Schiff base functionalized PEG for the sensitive detection of Al3+ in pure aqueous solution. NEW J CHEM 2020. [DOI: 10.1039/d0nj01856b] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient reversible fluorescent chemosensor, PEGFB, based on polyethylene glycol bearing a furan Schiff base unit has been successfully developed to sensitively detect Al3+ in pure aqueous solution.
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Affiliation(s)
- Liping Bai
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Yuhang Xu
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Leixuan Li
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Farong Tao
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Shuangshuang Wang
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Liping Wang
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
| | - Guang Li
- School of Materials Science and Engineering
- Liaocheng University
- Liaocheng 252059
- China
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19
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Malik AH, Zehra N, Ahmad M, Parui R, Iyer PK. Advances in conjugated polymers for visualization of latent fingerprints: a critical perspective. NEW J CHEM 2020. [DOI: 10.1039/d0nj04131a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Owing to unique photophysical and structural features conjugated polymers (CPs) have demonstrated high selectivity, specificity and enhanced imaging ability and are utilized for rapid latent fingerprint development using simple processing methods.
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Affiliation(s)
- Akhtar Hussain Malik
- Department of Higher Education
- Govt. Degree College Sopore
- Kashmir
- India
- Department of Chemistry
| | - Nehal Zehra
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Muzaffer Ahmad
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Retwik Parui
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Parameswar Krishnan Iyer
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
- Centre for Nanotechnology
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20
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Bai L, Li G, Li L, Gao M, Li H, Tao F, Deng A, Wang S, Wang L. Schiff base functionalized PEG as a high efficient fluorescent chemosensor for Al3+ detection in 100% aqueous solution. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2019.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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21
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Thermotropic Liquid-Crystalline and Light-Emitting Properties of Poly(pyridinium) Salts Containing Various Diamine Connectors and Hydrophilic Macrocounterions. Polymers (Basel) 2019; 11:polym11050851. [PMID: 31083364 PMCID: PMC6572631 DOI: 10.3390/polym11050851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 01/09/2023] Open
Abstract
A set of poly(pyridinium) salts containing various diamine moieties, as molecular connectors, and poly(ethyleneglycol)-4-nonylphenyl-3-sulfopropyl ether, thereafter referred to as “Macroion”, as the hydrophilic counterion, were prepared by metathesis reaction from the respective precursory tosylated poly(pyridinium)s in methanol. The structure of these ionic polymers was established by spectroscopy and chromatography techniques. The shape-persistent ionic poly(pyridinium) materials, inserting rigid or semi-rigid diamine spacers, display thermotropic liquid-crystalline properties from room-temperature up to their isotropization (in the temperature range around 160–200 °C). The nature of the LC phases is lamellar in both cases as identified by the combination of various complementary experimental techniques including DSC, POM and variable-temperature SAXS. The other polymers, inserting bulky or flexible spacers, only form room temperature viscous liquids. These new macromolecular systems can then be referred to as polymeric ionic liquid crystals (PILCs) and or polymeric ionic liquids (PILs). All the ionic polymers show excellent thermal stability, in the 260–330 °C temperature range as determined by TGA measurements, and a good solubility in common organic solvents as well as in water. Their optical properties were characterized in both solution and solid states by UV−Vis and photoluminescent spectroscopies. They emit blue or green light in both the states and exhibit a positive solvatochromic effect.
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22
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Bai L, Tao F, Li L, Deng A, Yan C, Li G, Wang L. A simple turn-on fluorescent chemosensor based on Schiff base-terminated water-soluble polymer for selective detection of Al 3+ in 100% aqueous solution. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:436-444. [PMID: 30807941 DOI: 10.1016/j.saa.2019.02.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 01/05/2019] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
A simple water-soluble polymer PEGBHB based on polyethylene glycol bearing a Schiff base derivative moiety was successfully designed and synthesized. PEGBHB showed high selectivity and sensitivity towards Al3+ as a turn-on fluorescent chemosensor without influence by other competitive metal ions in 100% aqueous solution. The detection limit of PEGBHB for Al3+ was found to be 9.67 × 10-9 M. A 1:1 stoichiometry between PEGBHB and Al3+ has been confirmed by Job plot analysis. PEGBHB could detect Al3+ over a wide pH range from 4 to 10. The chemosensor was reversible by adding EDTA to the solution of PEGBHB-Al3+ complex. An INHIBIT molecular logic gate was constructed with the help of OFF-ON-OFF signal on alternate addition of Al3+ and EDTA to the chemosensor. Furthermore, test papers were fabricated facilely using PEGBHB for convenient and visual detection of practical Al3+.
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Affiliation(s)
- Liping Bai
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China
| | - Farong Tao
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China
| | - Leixuan Li
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China
| | - Aixia Deng
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China
| | - Chunna Yan
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China
| | - Guang Li
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Liping Wang
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
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23
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Jiang G, Zhu W, Chen Q, Shi A, Wu Y, Zhang G, Li X, Li Y, Fan X, Wang J. A new tetraphenylethylene based AIE sensor with light-up and tunable measuring range for adenosine triphosphate in aqueous solution and in living cells. Analyst 2018; 142:4388-4392. [PMID: 29116261 DOI: 10.1039/c7an01336a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An AIE based tetraphenylethylene derivative (TPPTPE) was synthesized for light-up sensing of ATP in aqueous solution. The measuring range for ATP can be tuned by varying the concentration of the TPPTPE. A one-step straightforward quantitative analysis of the ATP level in cell lysates can be realized using the TPPTPE. Moreover, the TPPTPE can be used for monitoring apyrase activity in aqueous solution and detecting ATP both in living cancer cell lines and in living normal cell lines.
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Affiliation(s)
- Guoyu Jiang
- Key Laboratory of Organo-Pharmaceutical Chemistry, Gannan Normal University, Ganzhou 341000, P. R. China.
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24
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Li G, Bai L, Tao F, Deng A, Wang L. A dual chemosensor for Cu 2+ and Hg 2+ based on a rhodamine-terminated water-soluble polymer in 100% aqueous solution. Analyst 2018; 143:5395-5403. [PMID: 30295689 DOI: 10.1039/c8an01130c] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A novel water-soluble polymer bearing a rhodamine receptor (PEGSRh) was synthesized as a dual chemosensor for the recognition of Cu2+ and Hg2+ in 100% aqueous solution. PEGSRh not only exhibited a sensitive colorimetric response towards Cu2+ and Hg2+ but also showed a selective turn-on fluorescence response towards Hg2+ over other metal ions. The binding stoichiometry for the complexation of PEGSRh with Cu2+ and Hg2+ was confirmed to be 1 : 1 by Job plot analysis. The low detection limits were found to be 5.92 × 10-7 M for Cu2+ and 2.85 × 10-6 M for Hg2+. The responses of PEGSRh to Cu2+ and Hg2+ were both stable over wide pH ranges. In addition, the fluorescence intensity changes of PEGSRh solution by the inputs of Hg2+, Cu2+ and EDTA have been used to construct a combinational logic gate. Again, an INHIBIT logic gate was also obtained by employing Cu2+ and EDTA as the chemical inputs and the absorbance signal as the output. Moreover, test papers were prepared facilely using PEGSRh for practical on-site detection of Cu2+ and Hg2+.
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Affiliation(s)
- Guang Li
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Liping Bai
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Farong Tao
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Aixia Deng
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Liping Wang
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
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25
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Zhang Z, Xiang X, Shi J, Huang F, Xia X, Zheng M, Han L, Tang H. A cationic conjugated polymer and graphene oxide: Application to amplified fluorescence detection of sinapine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 203:370-374. [PMID: 29886167 DOI: 10.1016/j.saa.2018.05.110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/22/2018] [Accepted: 05/27/2018] [Indexed: 06/08/2023]
Abstract
An amplified fluorescence strategy is described for the detection of sinapine (SP) by using a cationic conjugated polymer (PFP) and graphene oxide (GO). It is observed that the fluorescein (FAM)-labeled single-stranded DNA (FAM-DNA) is absorbed on the surface of GO if SP is absent. This causes that fluorescence resonance energy transfer (FRET) from PFP to FAM is inefficient when adding PFP into FAM-DNA/GO complex. If SP is added to FAM-DNA/GO complex, FAM-DNA is desorbed from GO surface due to the competitive binding of SP and FAM-DNA toward GO. In this case, FAM-DNA is close to PFP in the presence of PFP through strong electrostatic interaction, leading to the occurrence of efficient FRET. Based on the above phenomenon, we demonstrate a method to amplify fluorescence signal of traditional GO-based SP assay by introducing PFP. In comparison to the use of single GO, the combination of PFP with GO-based strategy displays high turn-on ratio and enhanced sensitivity with a limit of detection as low as 7.3 ng mL-1 for SP detection. Satisfactory results in practical samples are also obtained by the recovery experiments, demonstrating the potential application of cationic conjugated polymer in plant-derived small molecule.
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Affiliation(s)
- Zhen Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China
| | - Xia Xiang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China.
| | - Jianbin Shi
- Institute of Agro-Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, Hubei Province, China
| | - Fenghong Huang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China.
| | - Xiaoyang Xia
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China
| | - Mingming Zheng
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China
| | - Ling Han
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China
| | - Hu Tang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan 430062, China
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26
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Zacca MJ, Laurencin D, Richeter S, Clément S, Mehdi A. New Layered Polythiophene-Silica Composite Through the Self-Assembly and Polymerization of Thiophene-Based Silylated Molecular Precursors. Molecules 2018; 23:E2510. [PMID: 30274343 PMCID: PMC6222596 DOI: 10.3390/molecules23102510] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 09/25/2018] [Accepted: 09/28/2018] [Indexed: 11/30/2022] Open
Abstract
A new layered hybrid polythiophene-silica material was obtained directly by hydrolysis and polycondensation (sol-gel) of a silylated-thiophene bifunctional precursor, and its subsequent oxidative polymerization by FeCl₃. This precursor was judiciously designed to guarantee its self-assembly and the formation of a lamellar polymer-silica structure, exploiting the cooperative effect between the hydrogen bonding interactions, originating from the ureido groups and the π-stacking interactions between the thiophene units. The lamellar structure of the polythiophene-silica composite was confirmed by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM) analyses. The solid-state nuclear magnetic resonance (NMR), UV-Vis, and photoluminescence spectra unambiguously indicate the incorporation of polythiophene into the silica matrix. Our work demonstrates that using a polymerizable silylated-thiophene precursor is an efficient approach towards the formation of nanostructured conjugated polymer-based hybrid materials.
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Affiliation(s)
- Marie-José Zacca
- Institut Charles Gerhardt, UMR 5253-Université de Montpellier, CNRS, ENSCM-CC1701, Place Eugène Bataillon, F-34095 Montpellier CEDEX 05, France.
| | - Danielle Laurencin
- Institut Charles Gerhardt, UMR 5253-Université de Montpellier, CNRS, ENSCM-CC1701, Place Eugène Bataillon, F-34095 Montpellier CEDEX 05, France.
| | - Sébastien Richeter
- Institut Charles Gerhardt, UMR 5253-Université de Montpellier, CNRS, ENSCM-CC1701, Place Eugène Bataillon, F-34095 Montpellier CEDEX 05, France.
| | - Sébastien Clément
- Institut Charles Gerhardt, UMR 5253-Université de Montpellier, CNRS, ENSCM-CC1701, Place Eugène Bataillon, F-34095 Montpellier CEDEX 05, France.
| | - Ahmad Mehdi
- Institut Charles Gerhardt, UMR 5253-Université de Montpellier, CNRS, ENSCM-CC1701, Place Eugène Bataillon, F-34095 Montpellier CEDEX 05, France.
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27
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Zehra N, Dutta D, Malik AH, Ghosh SS, Iyer PK. Fluorescence Resonance Energy Transfer-Based Wash-Free Bacterial Imaging and Antibacterial Application Using a Cationic Conjugated Polyelectrolyte. ACS APPLIED MATERIALS & INTERFACES 2018; 10:27603-27611. [PMID: 30052034 DOI: 10.1021/acsami.8b07516] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The increase in bacterial infection and antibiotic resistance has posed a severe threat to the human health. This threat has warranted an imperative demand for the development of a new and effective bactericidal material to eradicate the antibiotic-resistant pathogenic bacteria. In this work, we report the wash-free imaging of Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative) bacteria using cationic conjugated polyelectrolyte[9,9-bis(6'-methylimidazoliumbromide)hexyl-fluorene- co-4,7-(2,1,3-benzothiadiazole)] (PFBT-MI) based on aggregation-induced fluorescence resonance energy transfer (FRET). Cationic imidazolium group strapped on the polymer side chain not only increases its solubility in water but also helps in binding with the negatively charged bacterial membrane via electrostatic interactions to turn on its bright yellow emission. The change in the fluorescence color of conjugated polyelectrolyte in the presence of bacteria could be visualized very easily via naked eyes under a UV lamp (365 nm). Furthermore, the antibacterial activity of PFBT-MI against both S. aureus and E. coli was observed because of the amphiphilic nature of the conjugated polyelectrolyte which in turn is due to the presence of ionic functionality and conjugated polymer backbone that can intercalate very proficiently into the bacterial membrane, which disrupts the membrane integrity and thus results in toxicity. Morphologically, the membrane damage was perceived via field emission scanning electron microscopy (FESEM) images, which clearly indicated the disruption of cell membrane upon exposure to PFBT-MI. The PFBT-MI acts as an effective antibacterial agent, with a minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) value of (30 μM or 23.7 μg/mL) and (60 μM or 47.7 μg/mL) for S. aureus and for E. coli (60 μM or 47.7 μg/mL) and (100 μM or 79 μg/mL), respectively. Moreover, PFBT-MI shows less cytotoxicity against mammalian cells at concentration greater than MIC.
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28
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Bao B, Su P, Zhu J, Chen J, Xu Y, Gu B, Liu Y, Wang L. Rapid aptasensor capable of simply detect tumor markers based on conjugated polyelectrolytes. Talanta 2018; 190:204-209. [PMID: 30172500 DOI: 10.1016/j.talanta.2018.07.072] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 07/18/2018] [Accepted: 07/22/2018] [Indexed: 01/08/2023]
Abstract
In this paper, a very simple, easily-operated and universal platform is proposed for tumor marker detection. In this strategy, tumor marker-specific aptamer, which can quench the fluorescence of polyfluorene-based cationic conjugated polyelectrolytes (PFN+), are used as recognizing probes. Upon addition of tumor marker, the aptamer can be assembled into the tumor marker-aptamer complex, resulting in fluorescence recovery of PFN+ and the detection of the targets. The most widely-used tumor markers, carcinoembryonic antigen (CEA) and fetoprotein (AFP) have been chosen as the model analytes for this work. The sensing method is capable of rapidly detect target protein within 5 min without complex handling procedure and expensive instruments. Compared with previous studies, the assay presented here is really simple and avoids either conjugated polyelectrolytes (CPEs) modification or oligonucleotide labeling. This method also shows a wide detection range of 3 orders of magnitude and the detection limit is 0.316 ng/mL for CEA and 1.76 ng/mL for AFP. Furthermore, the approach requires only a convenient"mix-and-detect" procedure and offers a universal platform for the sensitive detection of any target molecule of choice according to the selected aptamer.
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Affiliation(s)
- Biqing Bao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Peng Su
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Jin Zhu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Jia Chen
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Yu Xu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Bingbing Gu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Yunfei Liu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM) & Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, Jiangsu, China.
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29
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Liu Y, Gao L, Yan H, Shangguan J, Zhang Z, Xiang X. A cationic conjugated polymer coupled with exonuclease I: application to the fluorometric determination of protein and cell imaging. Mikrochim Acta 2018; 185:118. [PMID: 29594586 DOI: 10.1007/s00604-017-2661-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 12/31/2017] [Indexed: 11/25/2022]
Abstract
A strategy is described for the detection of protein by using a cationic fluorescent conjugated polymer coupled with exonuclease I (Exo I). Taking streptavidin (SA) as model protein, it is observed that Exo I can digest single-stranded DNA conjugated with biotin and carboxyfluorescein (P1) if SA is absent. This leads to the formation of small nucleotide fragments and to weak fluorescence resonance energy transfer (FRET) from the polymer to P1. If, however, SA is present, the high affinity of SA and biotin prevents the digestion of P1 by Exo I. This results in the sorption of P1 on the surface of the polymer through strong electrostatic interaction. Hence, efficient FRET occurs from the fluorescent polymer to the fluorescent label of P1. Fluorescence is measured at an excitation wavelength of 370 nm, and emission is measured at two wavelengths (530 and 425 nm). The ratio of the two intensities (I530/I425) is directly related to the concentration of SA. Under the optimal conditions, the assay has a detection limit of 1.3 ng·mL-1. The method was also applied to image the folate receptor in HeLa cells, thus demonstrating the versatility of this strategy. Graphical abstract A fluorometric strategy is described for protein detection and cell imaging based on a cationic conjugated polymer (PFP) coupled with exonuclease I (Exo I) trigged fluorescence resonance energy transfer (FRET).
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Affiliation(s)
- Yufei Liu
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China.
| | - Liyun Gao
- Department of toxicology, School of Public Health, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China
| | - Huijuan Yan
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China
| | - Jingfang Shangguan
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China
| | - Zhen Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, Hubei, 430000, People's Republic of China
| | - Xia Xiang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, Hubei, 430000, People's Republic of China.
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30
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Bao B, Pan Y, Gu B, Chen J, Xu Y, Su P, Liu Y, Tong L, Wang L. Highly sensitive detection of nucleic acids using a cascade amplification strategy based on exonuclease III-assisted target recycling and conjugated polyelectrolytes. Analyst 2018; 143:4267-4272. [DOI: 10.1039/c8an01024b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A ratiometric and cascade amplification strategy that combines the signal amplification and effecitive FRET property of CPEs with the Exo III-assisted target recycling method has been developed for DNA detection.
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Affiliation(s)
- Biqing Bao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Yanrui Pan
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Bingbing Gu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Jia Chen
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Yu Xu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Peng Su
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Yunfei Liu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Li Tong
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
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31
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Wang Y, Yao H, Zhuang Z, Yao J, Zhou J, Zhao Z. Photostable and biocompatible AIE-active conjugated polyelectrolytes for efficient heparin detection and specific lysosome labelling. J Mater Chem B 2018; 6:6360-6364. [DOI: 10.1039/c8tb02053a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A series of new conjugated polyelectrolytes (CPEs) with emissive tetraphenylethene-containing backbones and specific targeting pendants are synthesized and characterized.
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Affiliation(s)
- Yinan Wang
- College of Material, Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Hongming Yao
- College of Material, Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Zeyan Zhuang
- Center for Aggregation-Induced Emission
- State Key Laboratory of Luminescent Materials and Devices
- South China University of Technology
- Guangzhou 510640
- China
| | - Jinya Yao
- College of Material, Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Jian Zhou
- College of Material, Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Zujin Zhao
- Center for Aggregation-Induced Emission
- State Key Laboratory of Luminescent Materials and Devices
- South China University of Technology
- Guangzhou 510640
- China
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32
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Wang J, Lv F, Liu L, Ma Y, Wang S. Strategies to design conjugated polymer based materials for biological sensing and imaging. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.06.023] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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33
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Abou Matar T, Karam P. The Role of Hydrophobicity in the Cellular Uptake of Negatively Charged Macromolecules. Macromol Biosci 2017; 18. [DOI: 10.1002/mabi.201700309] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 11/09/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Tamara Abou Matar
- Department of Chemistry; American University of Beirut; P.O. Box 11-0236 Beirut Lebanon
| | - Pierre Karam
- Department of Chemistry; American University of Beirut; P.O. Box 11-0236 Beirut Lebanon
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34
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Malik AH, Kalita A, Iyer PK. Development of Well-Preserved, Substrate-Versatile Latent Fingerprints by Aggregation-Induced Enhanced Emission-Active Conjugated Polyelectrolyte. ACS APPLIED MATERIALS & INTERFACES 2017; 9:37501-37508. [PMID: 28975794 DOI: 10.1021/acsami.7b13390] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The development of highly efficient latent fingerprint (LFP) technology remains extremely vital for forensic and criminal investigations. In this contribution, a straightforward, rapid, and cost-effective method has been established for the quick development of well-preserved latent fingerprint on multiple substrates, including plastic, glass, aluminum foil, metallic surfaces, and so forth, without any additional treatment, based on aggregation-induced enhanced emission-active conjugated polyelectrolyte (CPE) 3,3'-((2-(4-(1,2-diphenyl-2-(p-tolyl)vinyl)phenyl)-7-(7-methylbenzo[c][1,2,5]thiadiazol-4-yl)-9H-fluorene-9,9-diyl)bis(hexane-6,1-diyl))bis(1-methyl-1H-imidazol-3-ium) bromide, revealing clearly the third-level details (ridges, bifurcations, and pores) with high selectivity, high contrast, and no background interference even by blood stains, confirming the ability of the proposed technique for LFP detection with high resolution. The LFP development process was accomplished simply by immersing fingerprint-loaded substrate into the CPE solution for ∼1 min, followed by shaking off the residual polymer solution and then air drying. The CPE was readily transferred to the LFPs because of the strong electrostatic and hydrophobic interaction between the CPE molecules and the fingerprint components revealing distinct fluorescent images on various smooth nonporous surfaces.
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Affiliation(s)
- Akhtar Hussain Malik
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, Assam, India
| | - Anamika Kalita
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, Assam, India
| | - Parameswar Krishnan Iyer
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, Assam, India
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35
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Malik AH, Iyer PK. Conjugated Polyelectrolyte Based Sensitive Detection and Removal of Antibiotics Tetracycline from Water. ACS APPLIED MATERIALS & INTERFACES 2017; 9:4433-4439. [PMID: 28094507 DOI: 10.1021/acsami.6b13949] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A new conjugated polyelectrolyte poly[5,5'-(((2-phenyl-9H-fluorene-9,9-diyl)bis(hexane-6,1-diyl))bis(oxy))diisophthalate] sodium (PFPT) was synthesized via the palladium-catalyzed Suzuki cross-coupling polymerization method and successfully applied for the rapid, real time, and highly sensitive detection of antibiotics tetracycline (Tc) in 100% aqueous media via photoinduced electron transfer with detection limit in the ppb level. Remarkably, PFPT could also be applied for the trace analysis of Tc in serum samples having recoveries well in the range 92-97% with relative standard deviations (RSD) of 1.01-1.14%, confirming reliability of the present method for the analysis of Tc. Additionally, PFPT was blended with the abundant natural polysaccharide chitosan to form CS-PFPT composite films and developed as a biopolymer based membrane for the removal of Tc from water samples with a good adsorption capacity of 3.12 mg g-1, thus finding vital application in the treatment of antibiotic infested wastewater.
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Affiliation(s)
- Akhtar Hussain Malik
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, India
| | - Parameswar Krishnan Iyer
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, India
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36
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Sarkar SK, Mukherjee S, Garai A, Thilagar P. A Complementary Aggregation Induced Emission Pair for Generating White Light and Four-Colour (RGB and Near-IR) Cell Imaging. CHEMPHOTOCHEM 2017. [DOI: 10.1002/cptc.201600032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Samir Kumar Sarkar
- Department of Inorganic and Physical Chemistry; Indian Institute of Science; Bangalore 560012 India
| | - Sanjoy Mukherjee
- Department of Inorganic and Physical Chemistry; Indian Institute of Science; Bangalore 560012 India
| | - Aditya Garai
- Department of Inorganic and Physical Chemistry; Indian Institute of Science; Bangalore 560012 India
| | - Pakkirisamy Thilagar
- Department of Inorganic and Physical Chemistry; Indian Institute of Science; Bangalore 560012 India
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37
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Jeong JE, Woo HY. Control of electrostatic interaction between a molecular beacon aptamer and conjugated polyelectrolyte for detection range-tunable ATP assay. Polym Chem 2017. [DOI: 10.1039/c7py01252g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A new strategy is suggested to fine-tune the detection range by controlling the ionic density of CPEs in the MBA/CPE-based ATP assay.
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Affiliation(s)
- J.-E. Jeong
- Department of Chemistry
- Korea University
- Seoul 02841
- Republic of Korea
| | - H. Y. Woo
- Department of Chemistry
- Korea University
- Seoul 02841
- Republic of Korea
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38
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An N, Zhang Q, Wang J, Liu C, Shi L, Liu L, Deng L, Lu Y. A new FRET-based ratiometric probe for fluorescence and colorimetric analyses of adenosine 5′-triphosphate. Polym Chem 2017. [DOI: 10.1039/c6py02001a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A new ratiometric probe for ATP was designed based on the binding-induced modulation of FRET coupled with the ACQ sensing mechanism.
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Affiliation(s)
- Nianqi An
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Qiang Zhang
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Jing Wang
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Cui Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Luqing Shi
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Lihua Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Ludi Deng
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Yan Lu
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- School of Materials Science & Engineering
- Tianjin University of Technology
- Tianjin 300384
- China
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39
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Yang J, Acharya R, Zhu X, Köse M, Schanze KS. Pyrophosphate Sensor Based on Principal Component Analysis of Conjugated Polyelectrolyte Fluorescence. ACS OMEGA 2016; 1:648-655. [PMID: 31457154 PMCID: PMC6640761 DOI: 10.1021/acsomega.6b00189] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 10/03/2016] [Indexed: 05/05/2023]
Abstract
The pyrophosphate anion (PPi) plays an important role in biochemical processes. Therefore, a simple but reliable analytical technique is essential for selective detection of PPi in biochemical systems. Here, we present a principal component analysis (PCA) method for analytical determination of PPi concentration using a fluorescent conjugated polyelectrolyte (CPE) combined with a polyamine modifier. The CPE has anionic side chains and dissolves molecularly in water, as indicated by its structured fluorescence emission spectrum. However, addition of tris(3-aminoethyl)amine (tetraamine or N4) quenches the CPE fluorescence emission. Tetraamine, which is a polycation at neutral pH, binds multiple anionic CPE chains, leading to aggregate formation, resulting in aggregation-induced fluorescence quenching. Addition of PPi to the polymer-amine aggregate reverses the process, resulting in fluorescence recovery. The relatively higher concentration of PPi compared to that of the polymer allows it to effectively compete to bind the amine, thus releasing molecularly dissolved polymer chains. Fluorescence correlation spectroscopy of the P1/N4 complex and of P1/N4/PPi confirms the change in size of the CPE aggregates that occurs upon reversible aggregation. Application of PCA to the fluorescence emission data set of standard samples yields two principal components, which are used to create a predictive model for PPi analysis. The PCA method is able to directly determine the concentration of PPi with approximately 95% accuracy within the concentration range from 100 μM to 3 mM, without the need for a reference state as is typically needed for ratiometric fluorescence assays.
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Affiliation(s)
- Jie Yang
- Department
of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - Rajendra Acharya
- Department
of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - Xuzhi Zhu
- Department
of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - Muhammet
E. Köse
- Institute
of Nanotechnology, Gebze Technical University, Gebze, Kocaeli 41400, Turkey
| | - Kirk S. Schanze
- Department
of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
- The
Education Ministry Key Laboratory and Joint International Laboratory
of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional
Materials, Shanghai Normal University, Shanghai 200234, China
- E-mail:
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40
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Tanwar AS, Hussain S, Malik AH, Afroz MA, Iyer PK. Inner Filter Effect Based Selective Detection of Nitroexplosive-Picric Acid in Aqueous Solution and Solid Support Using Conjugated Polymer. ACS Sens 2016. [DOI: 10.1021/acssensors.6b00441] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Arvin Sain Tanwar
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Sameer Hussain
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Akhtar Hussain Malik
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Mohammad Adil Afroz
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Parameswar Krishnan Iyer
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati-781039, India
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41
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Xu J, Takai A, Takeuchi M. Red-Green-Blue Trichromophoric Nanoparticles with Dual Fluorescence Resonance Energy Transfer: Highly Sensitive Fluorogenic Response Toward Polyanions. Chemistry 2016; 22:13014-8. [DOI: 10.1002/chem.201602759] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Jinjia Xu
- Molecular Design & Function Group; National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba Ibaraki 305-0047 Japan
- Department of Materials Science and Engineering; Graduate School of Pure and Applied Science; University of Tsukuba; 1-1-1, Tennoudai Tsukuba Ibaraki 305-8571 Japan
| | - Atsuro Takai
- Molecular Design & Function Group; National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba Ibaraki 305-0047 Japan
| | - Masayuki Takeuchi
- Molecular Design & Function Group; National Institute for Materials Science (NIMS); 1-2-1 Sengen Tsukuba Ibaraki 305-0047 Japan
- Department of Materials Science and Engineering; Graduate School of Pure and Applied Science; University of Tsukuba; 1-1-1, Tennoudai Tsukuba Ibaraki 305-8571 Japan
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42
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Malik AH, Hussain S, Iyer PK. Aggregation-Induced FRET via Polymer–Surfactant Complexation: A New Strategy for the Detection of Spermine. Anal Chem 2016; 88:7358-64. [DOI: 10.1021/acs.analchem.6b01788] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Akhtar Hussain Malik
- Department
of Chemistry, and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, India
| | - Sameer Hussain
- Department
of Chemistry, and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, India
| | - Parameswar Krishnan Iyer
- Department
of Chemistry, and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, India
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43
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Cheng D, Li Y, Wang J, Sun Y, Jin L, Li C, Lu Y. Fluorescence and colorimetric detection of ATP based on a strategy of self-promoting aggregation of a water-soluble polythiophene derivative. Chem Commun (Camb) 2016; 51:8544-6. [PMID: 25894335 DOI: 10.1039/c5cc01713k] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A sensitive fluorescent and colorimetric dual-modal probe for the detection of ATP has been developed based on a strategy of self-promoting aggregation of a cationic polythiophene derivative bearing anthracene groups in the side chain with a detection limit as low as 10(-9) M.
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Affiliation(s)
- Dandan Cheng
- School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, China.
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44
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Zhou Y, Zhang J, Zhao L, Li Y, Chen H, Li S, Cheng Y. Visual Detection of Multiplex MicroRNAs Using Cationic Conjugated Polymer Materials. ACS APPLIED MATERIALS & INTERFACES 2016; 8:1520-1526. [PMID: 26709618 DOI: 10.1021/acsami.5b11135] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A simple, visual, and specific method for simultaneous detection of multiplex microRNAs (miRNAs) has been developed by integrating duplex-specific nuclease (DSN)-induced amplification with cationic conjugated polymer (CCP) materials. The probe DNA with a complementary sequence to target miRNA is labeled with fluorescein dye (FAM). Without target miRNA, the single-strand DNA probe cannot be digested by DSN. Upon adding CCPs, efficient fluorescence resonance energy transfer (FRET) from CCP to FAM occurs owing to strong electrostatic interactions between CCP and the DNA probe. In the presence of target miRNA, the DNA probe hybridizes with target miRNA followed by digestion to small nucleotide fragments by DSN; meanwhile, the miRNA is released and subsequently interacts again with the probe, resulting in the cycled digestion of the DNA probe. In this case, weak electrostatic interactions between oligonucleotide fragments and CCP lead to inefficient FRET from CCP to FAM. Thus, by triggering the FRET signal from CCP to FAM, miRNA can be specially detected, and the fluorescence color change based on FRET can be visualized directly with the naked eye under an UV lamp. Furthermore, an energy transfer cascade can be designed using CCP and DNA probes labeled at the 5'-terminus with FAM and Cy3 dyes, and the multistep FRET processes offer the ability of simultaneous detection of multiplex miRNAs.
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Affiliation(s)
- Yuanyuan Zhou
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University , Baoding 071002, Hebei, P. R. China
| | - Jiangyan Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University , Baoding 071002, Hebei, P. R. China
| | - Likun Zhao
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University , Baoding 071002, Hebei, P. R. China
| | - Yingcun Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University , Baoding 071002, Hebei, P. R. China
| | - Hui Chen
- Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Shengliang Li
- Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Yongqiang Cheng
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University , Baoding 071002, Hebei, P. R. China
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45
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A Pyrene-functionalized Polynorbornene for Ratiometric Fluorescence Sensing of Pyrophosphate. Chem Asian J 2016; 11:687-90. [DOI: 10.1002/asia.201501363] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Indexed: 12/31/2022]
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46
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Hu F, Liu B. Organelle-specific bioprobes based on fluorogens with aggregation-induced emission (AIE) characteristics. Org Biomol Chem 2016; 14:9931-9944. [DOI: 10.1039/c6ob01414c] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A number of aggregation-induced emission (AIE) probes with high photostability and specificity have been developed for organelle imaging and image-guided cancer cell ablation.
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Affiliation(s)
- Fang Hu
- Department of Chemical and Biomolecular Engineering
- National University of Singapore
- Singapore 117585
- Singapore
- Nanoscience and Nanotechnology Institute
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering
- National University of Singapore
- Singapore 117585
- Singapore
- Institute of Materials Research and Engineering (IMRE)
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47
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Hussain S, Malik AH, Iyer PK. FRET-assisted selective detection of flavins via cationic conjugated polyelectrolyte under physiological conditions. J Mater Chem B 2016; 4:4439-4446. [DOI: 10.1039/c6tb01350c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Cationic conjugated polyelectrolyte PMI performs ppb level detection and discrimination of flavins (RF, FMN and FAD) in aqueous media as well as in biological medium like serum.
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Affiliation(s)
- Sameer Hussain
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
| | - Akhtar Hussain Malik
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
| | - Parameswar Krishnan Iyer
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
- Centre for Nanotechnology
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48
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Zhou H, Li J, Chua MH, Yan H, Ye Q, Song J, Lin TT, Tang BZ, Xu J. Tetraphenylethene (TPE) modified polyhedral oligomeric silsesquioxanes (POSS): unadulterated monomer emission, aggregation-induced emission and nanostructural self-assembly modulated by the flexible spacer between POSS and TPE. Chem Commun (Camb) 2016; 52:12478-12481. [DOI: 10.1039/c6cc07216j] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Mono-TPE modified POSS molecules exhibit monomer and AIE emission under different conditions.
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Affiliation(s)
- Hui Zhou
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Jiesheng Li
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Ming Hui Chua
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Hong Yan
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Qun Ye
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Jing Song
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Ting Ting Lin
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
| | - Ben Zhong Tang
- Department of Chemistry
- The Hong Kong University of Science & Technology
- Kowloon
- China
| | - Jianwei Xu
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR)
- Innovis, #08-03
- Singapore 138634
- Department of Chemistry
- National University of Singapore
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49
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Fennell JF, Liu SF, Azzarelli JM, Weis JG, Rochat S, Mirica KA, Ravnsbæk JB, Swager TM. Nanowire Chemical/Biological Sensors: Status and a Roadmap for the Future. Angew Chem Int Ed Engl 2015; 55:1266-81. [PMID: 26661299 DOI: 10.1002/anie.201505308] [Citation(s) in RCA: 203] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Indexed: 01/08/2023]
Abstract
Chemiresistive sensors are becoming increasingly important as they offer an inexpensive option to conventional analytical instrumentation, they can be readily integrated into electronic devices, and they have low power requirements. Nanowires (NWs) are a major theme in chemosensor development. High surface area, interwire junctions, and restricted conduction pathways give intrinsically high sensitivity and new mechanisms to transduce the binding or action of analytes. This Review details the status of NW chemosensors with selected examples from the literature. We begin by proposing a principle for understanding electrical transport and transduction mechanisms in NW sensors. Next, we offer the reader a review of device performance parameters. Then, we consider the different NW types followed by a summary of NW assembly and different device platform architectures. Subsequently, we discuss NW functionalization strategies. Finally, we propose future developments in NW sensing to address selectivity, sensor drift, sensitivity, response analysis, and emerging applications.
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Affiliation(s)
- John F Fennell
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sophie F Liu
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Joseph M Azzarelli
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jonathan G Weis
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sébastien Rochat
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Katherine A Mirica
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jens B Ravnsbæk
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Timothy M Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, MA, USA.
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50
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Fennell JF, Liu SF, Azzarelli JM, Weis JG, Rochat S, Mirica KA, Ravnsbæk JB, Swager TM. Nanodrähte in Chemo‐ und Biosensoren: aktueller Stand und Fahrplan für die Zukunft. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201505308] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- John F. Fennell
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Sophie F. Liu
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Joseph M. Azzarelli
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Jonathan G. Weis
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Sébastien Rochat
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Katherine A. Mirica
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Jens B. Ravnsbæk
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
| | - Timothy M. Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies Massachusetts Institute of Technology Cambridge MA USA
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