51
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Li SY, Xie BR, Cheng H, Li CX, Zhang MK, Qiu WX, Liu WL, Wang XS, Zhang XZ. A biomimetic theranostic O 2 -meter for cancer targeted photodynamic therapy and phosphorescence imaging. Biomaterials 2018; 151:1-12. [DOI: 10.1016/j.biomaterials.2017.10.021] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 09/24/2017] [Accepted: 10/09/2017] [Indexed: 12/16/2022]
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52
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Wang Y, Zhao KJ, Tao DP, Zhai FG, Yang HB, Zhang ZQ. Application of pyrite and chalcopyrite as sensor electrode for amperometric detection and measurement of hydrogen peroxide. RSC Adv 2018; 8:5013-5019. [PMID: 35539526 PMCID: PMC9078032 DOI: 10.1039/c7ra13628e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Accepted: 01/23/2018] [Indexed: 12/25/2022] Open
Abstract
The sensing performance of solid-state amperometric sensors based on natural sulfide minerals, i.e., pyrite and chalcopyrite, has been characterized for the detection and measurement of hydrogen peroxide (H2O2) in aqueous medium.
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Affiliation(s)
- Y. Wang
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan
- China
| | - K. J. Zhao
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan
- China
| | - D. P. Tao
- School of Mining Engineering
- University of Science and Technology Liaoning
- Anshan
- China
| | - F. G. Zhai
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan
- China
| | - H. B. Yang
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan
- China
| | - Z. Q. Zhang
- School of Chemical Engineering
- University of Science and Technology Liaoning
- Anshan
- China
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53
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Zhang L, Goswami N, Xie J, Zhang B, He Y. Unraveling the molecular mechanism of photosynthetic toxicity of highly fluorescent silver nanoclusters to Scenedesmus obliquus. Sci Rep 2017; 7:16432. [PMID: 29180714 PMCID: PMC5703894 DOI: 10.1038/s41598-017-16634-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 11/15/2017] [Indexed: 12/30/2022] Open
Abstract
While the discovery of numerous attractive properties of silver at the nanoscale has increased their demand in many sectors including medicine, optics, sensing, painting and cosmetics, it has also raised wide public concerns about their effect on living organisms in aquatic environment. Despite the continuous effort to understand the various aspects of the toxicity of silver nanomaterials, the molecular level understanding on their cytotoxicity mechanism to biological organisms has remained unclear. Herein, we demonstrated the underlying mechanism of the photosynthetic toxicity against green algae namely, Scenedesmus obliquus by using an emerging silver nanomaterial, called silver nanoclusters (defined as r-Ag NCs). By exploiting the unique fluorescence properties of r-Ag NCs along with various other analytical/biological tools, we proposed that the photosynthetic toxicity of r-Ag NCs was largely attributed to the "joint-toxicity" effect of particulate form of r-Ag NCs and its released Ag+, which resulted in the disruption of the electron transport chain of light reaction and affected the content of key enzymes (RuBP carboxylase/ oxygenase) of Calvin cycle of algae cells. We believe that the present study can also be applied to the assessment of the ecological risk derived from other metal nanoparticles.
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Affiliation(s)
- Li Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Nirmal Goswami
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, Singapore, 117585, Singapore
| | - Jianping Xie
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, Singapore, 117585, Singapore
| | - Bo Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China.
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54
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Transformation of CuO Nanoparticles in the Aquatic Environment: Influence of pH, Electrolytes and Natural Organic Matter. NANOMATERIALS 2017; 7:nano7100326. [PMID: 29036921 PMCID: PMC5666491 DOI: 10.3390/nano7100326] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Revised: 10/11/2017] [Accepted: 10/11/2017] [Indexed: 11/19/2022]
Abstract
Many studies have shown the effect of solution chemistry on the environmental behavior of metal-based nanoparticles (NPs), except CuO NPs. Here, we investigated the agglomeration, sedimentation, dissolution, and speciation of CuO NPs by varying pH, ionic strength, ionic valence, and natural organic matter (NOM). The results showed that as the pH moved away from 6, the size of CuO agglomerates decreased, along with the enhanced NP suspension stabilization, due to the increase of electrostatic repulsive force. Increasing ionic strength and valence intensified the agglomeration and sedimentation of CuO NPs because of the compression of electrical double layers. The presence of humic acid and citric acid enhanced the dispersion and stabilization of CuO NP suspension, but l-cysteine showed a different impact. Decreasing pH, increasing ionic strength and all NOM improved the dissolution of CuO NPs, but the divalent electrolyte (CaCl2) inhibited the Cu2+ release from CuO NPs compared to the monovalent electrolyte (NaCl). In addition, X-ray absorption near edge structure (XANES) analysis demonstrated that the presence of l-cysteine transformed more than 30% of CuO NPs to Cu(I)-cysteine by coordinating with thiol group. This study can give us an in-depth understanding on the environmental behavior and fate of CuO NPs in the aquatic environment.
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55
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Ultrasensitive and highly selective sandpaper-supported copper framework for non-enzymatic glucose sensor. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.07.142] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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56
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Liu J, Dong ZZ, Yang C, Li G, Wu C, Lee FW, Leung CH, Ma DL. Turn-on Luminescent Probe for Hydrogen Peroxide Sensing and Imaging in Living Cells based on an Iridium(III) Complex-Silver Nanoparticle Platform. Sci Rep 2017; 7:8980. [PMID: 28827747 PMCID: PMC5566206 DOI: 10.1038/s41598-017-09478-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 07/25/2017] [Indexed: 11/27/2022] Open
Abstract
A sensitive turn-on luminescent sensor for H2O2 based on the silver nanoparticle (AgNP)-mediated quenching of an luminescent Ir(III) complex (Ir-1) has been designed. In the absence of H2O2, the luminescence intensity of Ir-1 can be quenched by AgNPs via non-radiative energy transfer. However, H2O2 can oxidize AgNPs to soluble Ag+ cations, which restores the luminescence of Ir-1. The sensing platform displayed a sensitive response to H2O2 in the range of 0-17 μM, with a detection limit of 0.3 μM. Importantly, the probe was successfully applied to monitor intracellular H2O2 in living cells, and it also showed high selectivity for H2O2 over other interfering substances.
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Affiliation(s)
- Jinshui Liu
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu, China
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Zhen-Zhen Dong
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Chao Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Guodong Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Chun Wu
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Fu-Wa Lee
- College of International Education, School of Continuing Education, Hong Kong Baptist University, Shek Mun, Hong Kong, China
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
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57
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Battie Y, Stchakovsky M, En Naciri A, Akil S, Chaoui N, Broch L. Ellipsometry of Colloidal Solutions: New Experimental Setup and Application to Metallic Colloids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:7425-7434. [PMID: 28727434 DOI: 10.1021/acs.langmuir.7b00490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
An ellipsometric cell is developed to simultaneously determine the shape distribution, the volume fraction, and the complex refractive index of gold and silver colloids. Simulation reveals that this cell drastically improves the detection limit of ellipsometry. Indeed, Ag and Au nanoparticles (NPs) are detected at the ppmv level. We demonstrate that the NPs shape distribution can be estimated from ellipsometric measurements by analyzing them with a shape distributed effective medium theory (SDEMT). The obtained distributions from ellipsometry are in agreement with those deduced from transmission electron microcopy (TEM). Contrary to TEM, ellipsometry probes a large number of NPs estimated at about 1011 NPs. Finally, we show that the complex refractive index of colloids as determined from ellipsometry is sensitive to the optical properties of the solvent and the plasmonic properties of NPs.
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Affiliation(s)
- Yann Battie
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Michel Stchakovsky
- Horiba Scientific , Avenue de la Vauve, Passage Jobin Yvon, 91120 Palaiseau, France
| | - Aotmane En Naciri
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Suzanna Akil
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Nouari Chaoui
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Laurent Broch
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
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58
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Abstract
Colorimetric detection of target analytes with high specificity and sensitivity is of fundamental importance to clinical and personalized point-of-care diagnostics. Because of their extraordinary optical properties, plasmonic nanomaterials have been introduced into colorimetric sensing systems, which provide significantly improved sensitivity in various biosensing applications. Here we review the recent progress on these plasmonic nanoparticles-based colorimetric nanosensors for ultrasensitive molecular diagnostics. According to their different colorimetric signal generation mechanisms, these plasmonic nanosensors are classified into two categories: (1) interparticle distance-dependent colorimetric assay based on target-induced forming cross-linking assembly/aggregate of plasmonic nanoparticles; and (2) size/morphology-dependent colorimetric assay by target-controlled growth/etching of the plasmonic nanoparticles. The sensing fundamentals and cutting-edge applications will be provided for each of them, particularly focusing on signal generation and/or amplification mechanisms that realize ultrasensitive molecular detection. Finally, we also discuss the challenge and give our future perspective in this emerging field.
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Affiliation(s)
- Longhua Tang
- State
Key Laboratory of Modern Optical Instrumentation, College of Optical
Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jinghong Li
- Department
of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and
Chemical Biology, Tsinghua University, Beijing 100084, China
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59
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Akhtar MH, Hussain KK, Gurudatt NG, Shim YB. Detection of Ca 2+-induced acetylcholine released from leukemic T-cells using an amperometric microfluidic sensor. Biosens Bioelectron 2017; 98:364-370. [PMID: 28704785 DOI: 10.1016/j.bios.2017.07.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 06/16/2017] [Accepted: 07/04/2017] [Indexed: 01/09/2023]
Abstract
A microfluidic structured-dual electrodes sensor comprising of a pair of screen printed carbon electrodes was fabricated to detect acetylcholine, where one of them was used for an enzyme reaction and another for a detection electrode. The former was coated with gold nanoparticles and the latter with a porous gold layer, followed by electropolymerization of 2, 2:5,2-terthiophene-3-(p-benzoic acid) (pTTBA) on both the electrodes. Then, acetylcholinesterase was covalently attached onto the reaction electrode, and hydrazine and choline oxidase were co-immobilized on the detection electrode. The layers of both modified electrodes were characterized employing voltammetry, field emission scanning electron microscopy, X-ray photoelectron spectroscopy, and quartz crystal microscopy. After the modifications of both electrode surfaces, they were precisely faced each other to form a microfluidic channel structure, where H2O2 produced from the sequential enzymatic reactions was reduced by hydrazine to obtain the analytical signal which was analyzed by the detection electrode. The microfluidic sensor at the optimized experimental conditions exhibited a wide dynamic range from 0.7nM to 1500μM with the detection limit of 0.6 ± 0.1nM based on 3s (S/N = 3). The biomedical application of the proposed sensor was evaluated by detecting acetylcholine in human plasma samples. Moreover, the Ca2+-induced acetylcholine released in leukemic T-cells was also investigated to show the in vitro detection ability of the designed microfluidic sensor. Interference due to the real component matrix were also studied and long term stability of the designed sensor was evaluated. The analytical performance of the designed sensor was also compared with commercially available ACh detection kit.
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Affiliation(s)
- Mahmood H Akhtar
- Department of Chemistry and Institute of BioPhysio Sensor Technology (IBST), Pusan National University, Busan 46241, South Korea
| | - Khalil K Hussain
- Department of Chemistry and Institute of BioPhysio Sensor Technology (IBST), Pusan National University, Busan 46241, South Korea
| | - N G Gurudatt
- Department of Chemistry and Institute of BioPhysio Sensor Technology (IBST), Pusan National University, Busan 46241, South Korea
| | - Yoon-Bo Shim
- Department of Chemistry and Institute of BioPhysio Sensor Technology (IBST), Pusan National University, Busan 46241, South Korea.
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60
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Zhu Q, Li X, Xiao Y, Xiong Y, Wang S, Xu C, Zhang J, Wu X. Synthesis of Molecularly Imprinted Polymer via Visible Light Activated RAFT Polymerization in Aqueous Media at Room Temperature for Highly Selective Electrochemical Assay of Glucose. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700141] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Qiankun Zhu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Xiaoming Li
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Yonghua Xiao
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Yan Xiong
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Suiping Wang
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Changli Xu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Jun Zhang
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Xuewen Wu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
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61
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Bahrami M, Jafar Hoseini S. Simultaneous formation of platinum-based nanocatalysts and degradation of dyes at oil/water interface: Comparative morphological and kinetic studies. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3920] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mehrangiz Bahrami
- Department of Chemistry, Faculty of Sciences; Yasouj University; Yasouj Iran
| | - S. Jafar Hoseini
- Department of Chemistry, Faculty of Sciences; Yasouj University; Yasouj Iran
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62
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Xu J, Li X, Li J, Li X, Li B, Wang Y, Wu L, Li W. Wet and Functional Adhesives from One-Step Aqueous Self-Assembly of Natural Amino Acids and Polyoxometalates. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703774] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jing Xu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiaodong Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Jingfang Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiangyi Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Yang Wang
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
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63
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Xu J, Li X, Li J, Li X, Li B, Wang Y, Wu L, Li W. Wet and Functional Adhesives from One-Step Aqueous Self-Assembly of Natural Amino Acids and Polyoxometalates. Angew Chem Int Ed Engl 2017; 56:8731-8735. [DOI: 10.1002/anie.201703774] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Jing Xu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiaodong Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Jingfang Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiangyi Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Yang Wang
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
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64
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Jayabharathi J, Sarojpurani E, Thanikachalam V, Jeeva P. Far-Field Enhancement by Silver Nanoparticles in Organic Light Emitting Diodes Based on Donor−π–Acceptor Chromophore. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00783] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | - Palanivel Jeeva
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India
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65
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Furuyama A, Matsushima C, Yokoi T, Ueda M, Tamiya E. Synthesis of Recombinant Mouse Crystallin Proteins and in Vitro Measurement of Their Refractivity. ACS Biomater Sci Eng 2017; 3:502-508. [PMID: 33429617 DOI: 10.1021/acsbiomaterials.6b00605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The eye lens is an organ that focuses light onto the retina and is reported to have a high refractive index in vertebrates. An analysis of refractivity was conducted using recombinant mouse Crystallin proteins produced in Escherichia coli (E. coli) compared with bovine serum albumin (BSA) and other commercially available proteins. Not only did we measure the refractivity but for one of the crystallins, Cryba1, we also confirmed that it responds uniquely to its environmental conditions. The crystallin showed high refractivity, as expected, and we confirmed that the electrical charge of the Cryba1 molecule influences its refractivity.
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Affiliation(s)
- Akiho Furuyama
- Department of Applied Physics, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Chiyuki Matsushima
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Takahiro Yokoi
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Mitsuyoshi Ueda
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Eiichi Tamiya
- Department of Applied Physics, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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66
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Chen J, Ji X, He Z. Smart Composite Reagent Composed of Double-Stranded DNA-Templated Copper Nanoparticle and SYBR Green I for Hydrogen Peroxide Related Biosensing. Anal Chem 2017; 89:3988-3995. [DOI: 10.1021/acs.analchem.6b04484] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jinyang Chen
- Key Laboratory of Analytical Chemistry
for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xinghu Ji
- Key Laboratory of Analytical Chemistry
for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Zhike He
- Key Laboratory of Analytical Chemistry
for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
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67
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Su X, Liu J. pH-Guided Self-Assembly of Copper Nanoclusters with Aggregation-Induced Emission. ACS APPLIED MATERIALS & INTERFACES 2017; 9:3902-3910. [PMID: 28067503 DOI: 10.1021/acsami.6b13914] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
We here report a facile pH-guided strategy for the fabrication of water-soluble protein/copper nanoclusters (CuNCs) hybrid nanostructures with stable and bright luminescence resulted from aggregation-induced emission. Using l-cysteine as both the reducing and capping agents, the synthesized CuNCs showed a good reversible pH-responsive aggregation and dispersion in the solution. The CuNCs formed insoluble macroscopic aggregates with stable red-colored emission (620 nm) at pH 3.0 but became soluble with weak luminescence at pH <1.5 or pH >4.0. The highly reversible pH-responsive properties of the CuNCs made it feasible to achieve water-soluble protein/CuNCs hybrid nanostructures in the presence of protein without any external forces (e.g., sonication). The weak luminescent CuNCs were first mixed with protein under neutral condition (e.g., pH 7.0), followed by tuning of the pH to acidic conditions (e.g., pH 3.0) to form luminescent protein/CuNCs hybrid nanostructures, the sizes of which were much smaller than those of the protein-free macroscopic CuNC aggregates. This strategy was easily applicable to other dispersing agents (e.g., glucose oxidase), opening a new pathway for the construction of many other smart water-soluble luminescent biomolecule/nanocluster hybrid nanostructures with various applications.
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Affiliation(s)
- Xuxian Su
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology , Guangzhou 510640, China
| | - Jinbin Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology , Guangzhou 510640, China
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68
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Effect of nanomaterial and media physicochemical properties on Ag NM aggregation kinetics. J Colloid Interface Sci 2017; 487:192-200. [DOI: 10.1016/j.jcis.2016.10.037] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/01/2016] [Accepted: 10/16/2016] [Indexed: 12/25/2022]
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69
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XU G, ZHU Y, PANG J. Sensitive and Simple Detection of Glucose Based on Single Plasmonic Nanorod. ANAL SCI 2017; 33:223-227. [DOI: 10.2116/analsci.33.223] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Gang XU
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Southeast University
| | - Yuhua ZHU
- School of Chemistry & Chemical Engineering, Nanjing University
| | - Jie PANG
- School of Chemistry & Chemical Engineering, Nanjing University
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70
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Ye Y, Zhang Q, Wang F, Li Y, Gao F, Zhang Y. Cu2+-catalyzed and H2O2-facilitated oxidation strategy for sensing copper(ii) based on cysteine-mediated aggregation of gold nanoparticles. RSC Adv 2017. [DOI: 10.1039/c7ra09750f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
A novel colorimetric Cu2+ sensor using polyethyleneglycol-stabilized gold nanoparticles has been developed based on a cysteine/H2O2 system.
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Affiliation(s)
- Yingjie Ye
- Department of Materials and Chemical Engineering
- Henan Institute of Engineering
- Zhengzhou
- P. R. China
| | - Qian Zhang
- Department of Materials and Chemical Engineering
- Henan Institute of Engineering
- Zhengzhou
- P. R. China
| | - Fei Wang
- Department of Materials and Chemical Engineering
- Henan Institute of Engineering
- Zhengzhou
- P. R. China
| | - Yue Li
- Department of Materials and Chemical Engineering
- Henan Institute of Engineering
- Zhengzhou
- P. R. China
| | - Fengxian Gao
- Department of Materials and Chemical Engineering
- Henan Institute of Engineering
- Zhengzhou
- P. R. China
| | - Yongxing Zhang
- School of Physics and Electronic Information
- Huaibei Normal University
- Huaibei
- P. R. China
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71
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Yang G, Liang B, Zhu Q, Hu Y, Ye X. Comprehensive Study of the Effects of Nanopore Structures on Enzyme Activity for the Enzyme Based Electrochemical Biosensors Based on Molecular Simulation. J Phys Chem A 2016; 120:10043-10056. [DOI: 10.1021/acs.jpca.6b10206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guang Yang
- Biosensor National Special Laboratory, College of Biomedical Engineering and Instrument Science, ‡Cyrus Tang Center for Sensor Materials and Applications, and §State Key Laboratory of CAD & CG, Zhejiang University, Hangzhou 310027, P. R. China
| | - Bo Liang
- Biosensor National Special Laboratory, College of Biomedical Engineering and Instrument Science, ‡Cyrus Tang Center for Sensor Materials and Applications, and §State Key Laboratory of CAD & CG, Zhejiang University, Hangzhou 310027, P. R. China
| | - Qin Zhu
- Biosensor National Special Laboratory, College of Biomedical Engineering and Instrument Science, ‡Cyrus Tang Center for Sensor Materials and Applications, and §State Key Laboratory of CAD & CG, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yichuan Hu
- Biosensor National Special Laboratory, College of Biomedical Engineering and Instrument Science, ‡Cyrus Tang Center for Sensor Materials and Applications, and §State Key Laboratory of CAD & CG, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xuesong Ye
- Biosensor National Special Laboratory, College of Biomedical Engineering and Instrument Science, ‡Cyrus Tang Center for Sensor Materials and Applications, and §State Key Laboratory of CAD & CG, Zhejiang University, Hangzhou 310027, P. R. China
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72
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Colorimetric determination of cysteine by exploiting its inhibitory action on the peroxidase-like activity of Au@Pt core-shell nanohybrids. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1981-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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73
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Yu H, Long D. Highly chemiluminescent metal-organic framework of type MIL-101(Cr) for detection of hydrogen peroxide and pyrophosphate ions. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1963-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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74
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Colorimetric determination of the activity of acetylcholinesterase and its inhibitors by exploiting the iodide-catalyzed oxidation of 3,3′,5,5′-tetramethylbenzidine by hydrogen peroxide. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1874-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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75
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Liang H, Liu B, Yuan Q, Liu J. Magnetic Iron Oxide Nanoparticle Seeded Growth of Nucleotide Coordinated Polymers. ACS APPLIED MATERIALS & INTERFACES 2016; 8:15615-22. [PMID: 27248668 DOI: 10.1021/acsami.6b04038] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The introduction of functional molecules to the surface of magnetic iron oxide nanoparticles (NPs) is of critical importance. Most previously reported methods were focused on surface ligand attachment either by physisorption or covalent conjugation, resulting in limited ligand loading capacity. In this work, we report the seeded growth of a nucleotide coordinated polymer shell, which can be considered as a special form of adsorption by forming a complete shell. Among all of the tested metal ions, Fe(3+) is the most efficient for this seeded growth. A diverse range of guest molecules, including small organic dyes, proteins, DNA, and gold NPs, can be encapsulated in the shell. All of these molecules were loaded at a much higher capacity compared to that on the naked iron oxide NP core, confirming the advantage of the coordination polymer (CP) shell. In addition, the CP shell provides better guest protein stability compared to that of simple physisorption while retaining guest activity as confirmed by the entrapped glucose oxidase assay. Use of this system as a peroxidase nanozyme and glucose biosensor was demonstrated, detecting glucose as low as 1.4 μM with excellent stability. This work describes a new way to functionalize inorganic materials with a biocompatible shell.
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Affiliation(s)
- Hao Liang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , Beijing 100029, China
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | - Biwu Liu
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | - Qipeng Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Juewen Liu
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
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76
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Wen D, Liu W, Herrmann AK, Haubold D, Holzschuh M, Simon F, Eychmüller A. Simple and Sensitive Colorimetric Detection of Dopamine Based on Assembly of Cyclodextrin-Modified Au Nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:2439-2442. [PMID: 27151829 DOI: 10.1002/smll.201503874] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/11/2016] [Indexed: 06/05/2023]
Abstract
A controlled assembly of natural beta-cyclodextrin modified Au NPs mediated by dopamine is demonstrated. Furthermore, a simple and sensitive colorimetric detection for dopamine is established by the concentration-dependent assembly.
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Affiliation(s)
- Dan Wen
- Physical Chemistry, TU Dresden, Bergstrasse 66b, 01062, Dresden, Germany
| | - Wei Liu
- Physical Chemistry, TU Dresden, Bergstrasse 66b, 01062, Dresden, Germany
| | | | - Danny Haubold
- Physical Chemistry, TU Dresden, Bergstrasse 66b, 01062, Dresden, Germany
| | - Matthias Holzschuh
- Physical Chemistry and Physics of Polymers, Leibniz Institute of Polymer Research Dresden, Hohe Strasse 6, 01069, Dresden, Germany
| | - Frank Simon
- Physical Chemistry and Physics of Polymers, Leibniz Institute of Polymer Research Dresden, Hohe Strasse 6, 01069, Dresden, Germany
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77
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Yang YC, Tseng WL. 1,4-Benzenediboronic-Acid-Induced Aggregation of Gold Nanoparticles: Application to Hydrogen Peroxide Detection and Biotin-Avidin-Mediated Immunoassay with Naked-Eye Detection. Anal Chem 2016; 88:5355-62. [PMID: 27091002 DOI: 10.1021/acs.analchem.6b00668] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hydrogen-peroxide (H2O2)-induced growth of small-sized gold nanoparticles (AuNPs) is often implemented for H2O2 sensing and plasmonic immunoassay. In contrast, there is little-to-no information in the literature regarding the application of H2O2-inhibited aggregation of citrate-capped AuNPs. This study discloses that benzene-1,4-diboronic acid (BDBA) was effective in driving the aggregation of citrate-capped AuNPs through an interaction between α-hydroxycarboxylate of citrate and boronic acids of BDBA. The H2O2-mediated oxidation of BDBA resulted in the conversion of boronic acid groups to phenol groups. The oxidized BDBA was incapable of triggering the aggregation of citrate-capped AuNPs. Thus, the presence of H2O2 prohibited BDBA-induced aggregation of citrate-capped AuNPs. The BDBA-induced aggregation of citrate-capped AuNPs can be paired with the glucose oxidase (GOx)-glucose system to design a colorimetric probe for glucose. Moreover, a H2O2·BDBA·AuNP probe was integrated with sandwich immunoassay, biotinylated antibody, and avidin-conjugated GOx for the selective naked-eye detection of rabbit immunoglobulin G (IgG) and human-prostate-specific antigen (PSA). The lowest detectable concentrations of rabbit IgG and human PSA by the naked eye were down to 0.1 and 4 ng/mL, respectively. More importantly, the proposed plasmonic immunoassay allowed the naked-eye quantification of 0-10 ng/mL PSA at an interval of 2 ng/mL in plasma samples.
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Affiliation(s)
- Ya-Chun Yang
- Department of Chemistry, National Sun Yat-sen University , Kaohsiung 80424, Taiwan
| | - Wei-Lung Tseng
- Department of Chemistry, National Sun Yat-sen University , Kaohsiung 80424, Taiwan.,School of Pharmacy, College of Pharmacy, Kaohsiung Medical University , Kaohsiung 80708, Taiwan.,Center for Nanoscience and Nanotechnology, National Sun Yat-sen University , Kaohsiung 80424, Taiwan
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78
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Zhang XD, Zhang J, Wang J, Yang J, Chen J, Shen X, Deng J, Deng D, Long W, Sun YM, Liu C, Li M. Highly Catalytic Nanodots with Renal Clearance for Radiation Protection. ACS NANO 2016; 10:4511-9. [PMID: 27018632 DOI: 10.1021/acsnano.6b00321] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Ionizing radiation (gamma and X-ray) is widely used in industry and medicine, but it can also pose a significant hazardous effect on health and induce cancer, physical deformity, and even death, due to DNA damage and invasion of free radicals. There is therefore an urgent unmet demand in designing highly efficient radioprotectants with synergetic integration of effective renal clearance and low toxicity. In this study, we designed ultrasmall (sub-5 nm) highly catalytically active and cysteine-protected MoS2 dots as radioprotectants and investigated their application in protection against ionizing radiation. In vivo preclinical studies showed that the surviving fraction of MoS2-treated mice can appreciably increase to up to 79% when they were exposed to high-energy ionizing radiation. Furthermore, MoS2 dots can contribute in cleaning up the accumulated free radicals within the body, repairing DNA damage, and recovering all vital chemical and biochemical indicators, suggesting their unique role as free radical scavengers. MoS2 dots showed rapid and efficient urinary excretion with more than 80% injected dose eliminated from the body after 24 h due to their ultrasmall hydrodynamic size and did not cause any noticeable toxic responses up to 30 days.
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Affiliation(s)
- Xiao-Dong Zhang
- Department of Physics, School of Science, Tianjin University , Tianjin 300354, China
| | - Jinxuan Zhang
- Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University , Beijing 100871, China
| | - Junying Wang
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College , No. 238, Baidi Road, Tianjin 300192, China
| | - Jiang Yang
- Environment, Energy and Natural Resources Center, Department of Environmental Science and Engineering, Fudan University , No. 220, Handan Road, Shanghai, 200433, China
| | - Jie Chen
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College , No. 238, Baidi Road, Tianjin 300192, China
| | - Xiu Shen
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College , No. 238, Baidi Road, Tianjin 300192, China
| | - Jiao Deng
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Dehui Deng
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China
| | - Wei Long
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College , No. 238, Baidi Road, Tianjin 300192, China
| | - Yuan-Ming Sun
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College , No. 238, Baidi Road, Tianjin 300192, China
| | - Changlong Liu
- Department of Physics, School of Science, Tianjin University , Tianjin 300354, China
| | - Meixian Li
- Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University , Beijing 100871, China
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79
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A plasmonic colorimetric strategy for biosensing through enzyme guided growth of silver nanoparticles on gold nanostars. Biosens Bioelectron 2016; 78:267-273. [DOI: 10.1016/j.bios.2015.11.056] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 10/30/2015] [Accepted: 11/18/2015] [Indexed: 12/18/2022]
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80
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Wen D, Liu W, Haubold D, Zhu C, Oschatz M, Holzschuh M, Wolf A, Simon F, Kaskel S, Eychmüller A. Gold Aerogels: Three-Dimensional Assembly of Nanoparticles and Their Use as Electrocatalytic Interfaces. ACS NANO 2016; 10:2559-67. [PMID: 26751502 PMCID: PMC4768295 DOI: 10.1021/acsnano.5b07505] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Accepted: 01/11/2016] [Indexed: 05/19/2023]
Abstract
Three-dimensional (3D) porous metal nanostructures have been a long sought-after class of materials due to their collective properties and widespread applications. In this study, we report on a facile and versatile strategy for the formation of Au hydrogel networks involving the dopamine-induced 3D assembly of Au nanoparticles. Following supercritical drying, the resulting Au aerogels exhibit high surface areas and porosity. They are all composed of porous nanowire networks reflecting in their diameters those of the original particles (5-6 nm) via electron microscopy. Furthermore, electrocatalytic tests were carried out in the oxidation of some small molecules with Au aerogels tailored by different functional groups. The beta-cyclodextrin-modified Au aerogel, with a host-guest effect, represents a unique class of porous metal materials of considerable interest and promising applications for electrocatalysis.
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Affiliation(s)
- Dan Wen
- Physical
Chemistry, TU Dresden, Bergstrasse 66b, 01062 Dresden, Germany
| | - Wei Liu
- Physical
Chemistry, TU Dresden, Bergstrasse 66b, 01062 Dresden, Germany
| | - Danny Haubold
- Physical
Chemistry, TU Dresden, Bergstrasse 66b, 01062 Dresden, Germany
| | - Chengzhou Zhu
- Physical
Chemistry, TU Dresden, Bergstrasse 66b, 01062 Dresden, Germany
| | - Martin Oschatz
- Inorganic
Chemistry, TU Dresden, Bergstrasse 66, 01062 Dresden, Germany
| | - Matthias Holzschuh
- Leibniz
Institute of Polymer Research Dresden, Hohe Strasse 6, 01069 Dresden, Germany
| | - André Wolf
- Physical
Chemistry, TU Dresden, Bergstrasse 66b, 01062 Dresden, Germany
| | - Frank Simon
- Leibniz
Institute of Polymer Research Dresden, Hohe Strasse 6, 01069 Dresden, Germany
| | - Stefan Kaskel
- Inorganic
Chemistry, TU Dresden, Bergstrasse 66, 01062 Dresden, Germany
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81
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Cui J, Luo J, Peng B, Zhang X, Zhang Y, Wang Y, Qin Y, Zheng H, Shu X, Wu Y. Synthesis of porous NiO/CeO2 hybrid nanoflake arrays as a platform for electrochemical biosensing. NANOSCALE 2016; 8:770-774. [PMID: 26662505 DOI: 10.1039/c5nr05924k] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Porous NiO/CeO2 hybrid nanoflake arrays fabricated by a facile hydrothermal method were employed as substrates for electrochemical biosensors. The resulting NiO/CeO2 hybrid nanoflake arrays with a large specific surface area and good biocompatibility presented an excellent platform for electrochemical biosensing.
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Affiliation(s)
- Jiewu Cui
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Jinbao Luo
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China.
| | - Bangguo Peng
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Xinyi Zhang
- Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Yong Zhang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Yan Wang
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Yongqiang Qin
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China.
| | - Hongmei Zheng
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China.
| | - Xia Shu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
| | - Yucheng Wu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China. and Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei, 230009, China
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82
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Lin D, Li Y, Zhang P, Zhang W, Ding J, Li J, Wei G, Su Z. Fast preparation of MoS2 nanoflowers decorated with platinum nanoparticles for electrochemical detection of hydrogen peroxide. RSC Adv 2016. [DOI: 10.1039/c6ra07591f] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
MoS2 nanoflowers decorated with Pt nanoparticles show enhanced performances for electrochemical H2O2 sensing.
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Affiliation(s)
- Dongmei Lin
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Yang Li
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Panpan Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Wensi Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Junwei Ding
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Jingfeng Li
- Hybrid Materials Interface Group
- Faculty of Production Engineering
- University of Bremen
- D-28359 Bremen
- Germany
| | - Gang Wei
- Hybrid Materials Interface Group
- Faculty of Production Engineering
- University of Bremen
- D-28359 Bremen
- Germany
| | - Zhiqiang Su
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- 100029 Beijing
- China
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83
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Su L, Xiong Y, Yang H, Zhang P, Ye F. Prussian blue nanoparticles encapsulated inside a metal–organic framework via in situ growth as promising peroxidase mimetics for enzyme inhibitor screening. J Mater Chem B 2016; 4:128-134. [DOI: 10.1039/c5tb01924a] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Metal–organic framework-based peroxidase mimetics for enzyme-inhibitor screening.
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Affiliation(s)
- Linjing Su
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Yuhao Xiong
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Haiguan Yang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Peng Zhang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Fanggui Ye
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
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84
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Abstract
Recent advances in Au NP based optical sensing systems for various analytes based on absorption, fluorescence and SERS are summarized.
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Affiliation(s)
- Zhiqin Yuan
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Cho-Chun Hu
- Department of Applied Science
- National Taitung University
- Taitung 95002
- Taiwan
| | - Huan-Tsung Chang
- Department of Chemistry
- National Taiwan University
- Taipei 106
- Taiwan
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
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85
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Senthamizhan A, Balusamy B, Aytac Z, Uyar T. Ultrasensitive electrospun fluorescent nanofibrous membrane for rapid visual colorimetric detection of H2O2. Anal Bioanal Chem 2015; 408:1347-55. [PMID: 26637215 DOI: 10.1007/s00216-015-9149-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 09/30/2015] [Accepted: 10/23/2015] [Indexed: 12/15/2022]
Abstract
We report herein a flexible fluorescent nanofibrous membrane (FNFM) prepared by decorating the gold nanocluster (AuNC) on electrospun polysulfone nanofibrous membrane for rapid visual colorimetric detection of H2O2. The provision of AuNC coupled to NFM has proven to be advantageous for facile and quick visualization of the obtained results, permitting instant, selective, and on-site detection. We strongly suggest that the fast response time is ascribed to the enhanced probabilities of interaction with AuNC located at the surface of NF. It has been observed that the color change from red to blue is dependent on the concentration, which is exclusively selective for hydrogen peroxide. The detection limit has been found to be 500 nM using confocal laser scanning microscope (CLSM), visually recognizable with good accuracy and stability. A systematic comparison was performed between the sensing performance of FNFM and AuNC solution. The underlying sensing mechanism is demonstrated using UV spectra, transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). The corresponding disappearance of the characteristic emissions of gold nanoclusters and the emergence of a localized surface plasmon resonance (LSPR) band, stressing this unique characteristic of gold nanoparticles. Hence, it is evident that the conversion of nanoparticles from nanoclusters has taken place in the presence of H2O2. Our work here has paved a new path for the detection of bioanalytes, highlighting the merits of rapid readout, sensitivity, and user-friendliness.
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Affiliation(s)
- Anitha Senthamizhan
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.
| | - Brabu Balusamy
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
| | - Zeynep Aytac
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.,Institute of Materials Science and Nanotechnology, Bilkent University, 06800, Ankara, Turkey
| | - Tamer Uyar
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey. .,Institute of Materials Science and Nanotechnology, Bilkent University, 06800, Ankara, Turkey.
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86
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Gao RR, Shi S, Zhu Y, Huang HL, Yao TM. A RET-supported logic gate combinatorial library to enable modeling and implementation of intelligent logic functions. Chem Sci 2015; 7:1853-1861. [PMID: 29899907 PMCID: PMC5964972 DOI: 10.1039/c5sc03570h] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 11/17/2015] [Indexed: 12/12/2022] Open
Abstract
A logic gate combinatorial library, including basic logic gates, a single three-input NOR gate, and combinatorial gates to realize intelligent logic functions (keypad-lock, parity checker) is constructed.
Boolean logic gates integrate multiple digital inputs into a digital output. Among these, logic gates based on nucleic acids have attracted a great deal of attention due to the prospect of controlling living systems in the way we control electronic computers. Herein, by employing Thioflavin T (ThT) as a signal transducer, we integrated multiple components based on RET (a type of proto-oncogene) into a logic gate combinatorial library, including basic logic gates (NOR, INHIBIT, IMPLICATION), a single three-input NOR gate, and combinatorial gates (INHIBIT–OR, NOT–AND–NOR). In this library, gates were connected in series where the output of the previous gate was the input for the next gate. Subsequently, by taking advantage of the library, some intelligent logic functions were realized. Expectedly, a biocomputing keypad-lock security system was designed by sequential logic operations. Moreover, a parity checker which can identify even numbers and odd numbers from natural numbers was established successfully. This work helps elucidate the design rules by which simple logic can be harnessed to produce diverse and complex calculations by rewiring communication between different gates. Together, our system may serve as a promising proof of principle that demonstrates increased computational complexity by linking multiple logic gates together.
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Affiliation(s)
- Ru-Ru Gao
- Shanghai Key Laboratory of Chemical Assessment and Sustainability , Department of Chemistry , Tongji University , Shanghai , 200092 , P. R. China . ;
| | - Shuo Shi
- Shanghai Key Laboratory of Chemical Assessment and Sustainability , Department of Chemistry , Tongji University , Shanghai , 200092 , P. R. China . ;
| | - Ying Zhu
- Shanghai Key Laboratory of Chemical Assessment and Sustainability , Department of Chemistry , Tongji University , Shanghai , 200092 , P. R. China . ;
| | - Hai-Liang Huang
- Shanghai Key Laboratory of Chemical Assessment and Sustainability , Department of Chemistry , Tongji University , Shanghai , 200092 , P. R. China . ;
| | - Tian-Ming Yao
- Shanghai Key Laboratory of Chemical Assessment and Sustainability , Department of Chemistry , Tongji University , Shanghai , 200092 , P. R. China . ;
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87
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Xianyu Y, Chen Y, Jiang X. Horseradish Peroxidase-Mediated, Iodide-Catalyzed Cascade Reaction for Plasmonic Immunoassays. Anal Chem 2015; 87:10688-92. [DOI: 10.1021/acs.analchem.5b03522] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yunlei Xianyu
- Beijing Engineering Research Center for BioNanotechnology & Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiping Chen
- Beijing Engineering Research Center for BioNanotechnology & Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, Beijing 100190, China
| | - Xingyu Jiang
- Beijing Engineering Research Center for BioNanotechnology & Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, Beijing 100190, China
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88
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Johnson GE, Colby R, Engelhard M, Moon D, Laskin J. Soft landing of bare PtRu nanoparticles for electrochemical reduction of oxygen. NANOSCALE 2015; 7:12379-91. [PMID: 26148814 DOI: 10.1039/c5nr03154k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Magnetron sputtering of two independent Pt and Ru targets coupled with inert gas aggregation in a modified commercial source has been combined with soft landing of mass-selected ions to prepare bare 4.5 nm diameter PtRu nanoparticles on glassy carbon electrodes with controlled size and morphology for electrochemical reduction of oxygen in solution. Employing atomic force microscopy (AFM) it is shown that the nanoparticles bind randomly to the glassy carbon electrode at a relatively low coverage of 7 × 10(4) ions μm(-2) and that their average height is centered at 4.5 nm. Scanning transmission electron microscopy images obtained in the high-angle annular dark field mode (HAADF-STEM) further confirm that the soft-landed PtRu nanoparticles are uniform in size. Wide-area scans of the electrodes using X-ray photoelectron spectroscopy (XPS) reveal the presence of both Pt and Ru in atomic concentrations of ∼9% and ∼33%, respectively. Deconvolution of the high energy resolution XPS spectra in the Pt 4f and Ru 3d regions indicates the presence of both oxidized Pt and Ru. The substantially higher loading of Ru compared to Pt and enrichment of Pt at the surface of the nanoparticles is confirmed by wide-area analysis of the electrodes using time-of-flight medium energy ion scattering (TOF-MEIS) employing both 80 keV He(+) and O(+) ions. The activity of electrodes containing 7 × 10(4) ions μm(-2) of bare 4.5 nm PtRu nanoparticles toward the electrochemical reduction of oxygen was evaluated employing cyclic voltammetry (CV) in 0.1 M HClO4 and 0.5 M H2SO4 solutions. In both electrolytes a pronounced reduction peak was observed during O2 purging of the solution that was not evident during purging with Ar. Repeated electrochemical cycling of the electrodes revealed little evolution in the shape or position of the voltammograms indicating high stability of the nanoparticles supported on glassy carbon. The reproducibility of the nanoparticle synthesis and deposition was evaluated by employing the same experimental parameters to prepare nanoparticles on glassy carbon electrodes on three occasions separated by several days. Surfaces with almost identical electrochemical behavior were observed with CV, demonstrating the highly reproducible preparation of bare nanoparticles using physical synthesis in the gas-phase combined with soft landing of mass-selected ions.
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Affiliation(s)
- Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, P. O. Box 999, MSIN K8-88, Richland, WA 99352, USA.
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89
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Lu L, Xia Y. Enzymatic reaction modulated gold nanorod end-to-end self-assembly for ultrahigh sensitively colorimetric sensing of cholinesterase and organophosphate pesticides in human blood. Anal Chem 2015. [PMID: 26217956 DOI: 10.1021/acs.analchem.5b02516] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We present herein the first reported self-assembly modulation of gold nanorods (AuNRs) by enzymatic reaction, which is further employed for colorimetric assays of cholinesterase (ChE) and organophosphate pesticides (OPs) in human blood. ChE catalyzes its substrate (acetylthiocholine) and produces thiocholine and acetate acid. The resulting thiols then react with the tips of the AuNRs by S-Au conjunction and prevent subsequent cysteine-induced AuNR end-to-end (EE) self-assembly. Correspondingly, the AuNR surface plasmon resonance is regulated, which results in a distinctly ratiometric signal output. Under optimal conditions, the linear range is 0.042 to 8.4 μU/mL, and the detection limit is as low as 0.018 μU/mL. As ChE is incubated with OPs, the enzymatic activity is inhibited. So, the cysteine-induced assembly is observed again. On the basis of this principle, OPs can be well determined ranging from 0.12 to 40 pM with a 0.039 pM detection limit. To our knowledge, the present quasi pU/mL level sensitivity for ChE and the quasi femtomolar level sensitivity for OPs are at least 500 and 7000 times lower than those of previous colorimetric methods, respectively. The ultrahigh sensitivity results from (1) the rational choice of anisotropic AuNRs as building blocks and reporters and (2) the specific structure of the enzymatic thiocholine. Because of ultrahigh sensitivity, serum samples are allowed to be extremely diluted in the assay. Accordingly, various nonspecific interactions, even from glutathione/cysteine, are well avoided. So, both ChE and OPs in human blood can be directly assayed without any prepurification, indicating the simplicity and practical promise of the proposed method.
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Affiliation(s)
- Linlin Lu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China
| | - Yunsheng Xia
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China
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90
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Bagci PO, Wang YC, Gunasekaran S. A Simple and Green Route for Room-Temperature Synthesis of Gold Nanoparticles and Selective Colorimetric Detection of Cysteine. J Food Sci 2015; 80:N2071-8. [DOI: 10.1111/1750-3841.12974] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 06/11/2015] [Indexed: 11/29/2022]
Affiliation(s)
| | - Yi-Cheng Wang
- Dept. of Biological Systems Engineering; Univ. of Wisconsin-Madison; 460 Henry Mall Madison WI 53706 U.S.A
| | - Sundaram Gunasekaran
- Dept. of Biological Systems Engineering; Univ. of Wisconsin-Madison; 460 Henry Mall Madison WI 53706 U.S.A
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91
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Mao Z, Qing Z, Qing T, Xu F, Wen L, He X, He D, Shi H, Wang K. Poly(thymine)-Templated Copper Nanoparticles as a Fluorescent Indicator for Hydrogen Peroxide and Oxidase-Based Biosensing. Anal Chem 2015; 87:7454-60. [PMID: 26112746 DOI: 10.1021/acs.analchem.5b01700] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Biomineralized fluorescent metal nanoparticles have attracted considerable interest in many fields by virtue of their excellent properties in synthesis and application. Poly(thymine)-templated fluorescent copper nanoparticles (T-CuNPs) as a promising nanomaterial has been exploited by us recently and displays great potential for signal transducing in biochemical analysis. However, the application of T-CuNPs is rare and still at an early stage. Here, a new fluorescent analytical strategy has been developed for H2O2 and oxidase-based biosensing by exploiting T-CuNPs as an effective signal indicator. The mechanism is mainly based on the poly(thymine) length-dependent formation of T-CuNPs and the probe's oxidative cleavage. In this assay, the probe T40 can effectively template the formation of T-CuNPs by a fast in situ manner in the absence of H2O2, with high fluorescent signal, while the probe is cleaved into short-oligonucleotide fragments by hydroxyl radical (·OH) which is formed from the Fenton reaction in the presence of H2O2, leading to the decline of fluorescence intensity. By taking advantage of H2O2 as a mediator, this strategy is further exploited for oxidase-based biosensing. As the proof-of-concept, glucose in human serum has been chosen as the model system and has been detected, and its practical applicability has been investigated by assay of real clinical blood samples. Results demonstrate that the proposed strategy has not only good detection capability but also eminent detection performance, such as simplicity and low-cost, holding great potential for constructing effective sensors for biochemical and clinical applications.
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Affiliation(s)
- Zhengui Mao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Zhihe Qing
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Taiping Qing
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Fengzhou Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Li Wen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Xiaoxiao He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Dinggeng He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Hui Shi
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, Hunan 410082, P. R. China
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92
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Zhang M, Qu ZB, Han CM, Lu LF, Li YY, Zhou T, Shi G. Time-resolved probes and oxidase-based biosensors using terbium(III)-guanosine monophosphate-mercury(II) coordination polymer nanoparticles. Chem Commun (Camb) 2015; 50:12855-8. [PMID: 25208485 DOI: 10.1039/c4cc05889e] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel lanthanide coordination polymer nanoparticle (LCPN)-based ternary complex was synthesized via the self-assembly of a terbium ion (Tb(3+)) with a nucleotide (GMP) and a mercury ion (Hg(2+)) in aqueous solution. The as-prepared LCPN-based ternary complex (Tb-GMP-Hg) can be applied to the development of time-resolved luminescence assays and oxidase-based biosensors.
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Affiliation(s)
- Min Zhang
- Department of Chemistry, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China.
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93
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Application of photocatalytic cadmium sulfide nanoparticles to detection of enzymatic activities of glucose oxidase and glutathione reductase using oxidation of 3,3′,5,5′-tetramethylbenzidine. Anal Chim Acta 2015; 881:131-8. [DOI: 10.1016/j.aca.2015.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/31/2015] [Accepted: 04/02/2015] [Indexed: 11/24/2022]
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94
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Zheng LQ, Yu XD, Xu JJ, Chen HY. Reversible catalysis for the reaction between methyl orange and NaBH4 by silver nanoparticles. Chem Commun (Camb) 2015; 51:1050-3. [PMID: 25434675 DOI: 10.1039/c4cc07711c] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction between MO and NaBH4 catalyzed by Ag NPs has been studied. Ag NPs catalyzed the reduction of MO rapidly, while adding CTAB into the solution caused the regeneration of MO. Thus, reversible catalysis for the reaction between MO and NaBH4 by Ag NPs was discovered for the first time.
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Affiliation(s)
- Li-Qing Zheng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China.
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95
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A facile and sensitive detection of organophosphorus chemicals by rapid aggregation of gold nanoparticles using organic compounds. Biosens Bioelectron 2015; 67:408-12. [DOI: 10.1016/j.bios.2014.08.073] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 08/27/2014] [Accepted: 08/28/2014] [Indexed: 12/18/2022]
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96
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Chang B, Zhang M, Qing G, Sun T. Dynamic biointerfaces: from recognition to function. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:1097-1112. [PMID: 25354445 DOI: 10.1002/smll.201402038] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 08/28/2014] [Indexed: 06/04/2023]
Abstract
The transformation of recognition signals into regulating macroscopic behaviors of biological entities (e.g., biomolecules and cells) is an extraordinarily challenging task in engineering interfacial properties of artificial materials. Recently, there has been extensive research for dynamic biointerfaces driven by biomimetic techniques. Weak interactions and chirality are two crucial routes that nature uses to achieve its functions, including protein folding, the DNA double helix, phospholipid membranes, photosystems, and shell and tooth growths. Learning from nature inspires us to design dynamic biointerfaces, which usually take advantage of highly selective weak interactions (e.g., synergetic chiral H-bonding interactions) to tailor their molecular assemblies on external stimuli. Biomolecules can induce the conformational transitions of dynamic biointerfaces, then drive a switching of surface characteristics (topographic structure, wettability, etc.), and eventually achieve macroscopic functions. The emerging progresses of dynamic biointerfaces are reviewed and its role from molecular recognitions to biological functions highlighted. Finally, a discussion is presented of the integration of dynamic biointerfaces with the basic biochemical processes, possibly solving the big challenges in life science.
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Affiliation(s)
- Baisong Chang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR China
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97
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Johnson GE, Colby R, Laskin J. Soft landing of bare nanoparticles with controlled size, composition, and morphology. NANOSCALE 2015; 7:3491-3503. [PMID: 25626391 DOI: 10.1039/c4nr06758d] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Physical synthesis employing magnetron sputtering and gas aggregation in a modified commercial source has been coupled with size-selection and ion soft landing to prepare bare nanoparticles on surfaces with controlled coverage, size, composition, and morphology. Employing atomic force microscopy (AFM) and scanning electron microscopy (SEM), it is demonstrated that the size and coverage of nanoparticles on flat and stepped surfaces may be controlled using a quadrupole mass filter and the length of deposition, respectively. AFM shows that nanoparticles bind randomly to flat surfaces when soft landed at relatively low coverage (4 × 10(4) ions μm(-2)). On stepped surfaces at intermediate coverage (4 × 10(5) ions μm(-2)) nanoparticles bind along step edges forming extended linear chains. At the highest coverage (2 × 10(6) ions μm(-2)) nanoparticles form a continuous film on flat surfaces. On one surface with sizable defects, the presence of localized imperfections results in agglomeration of nanoparticles onto these features and formation of neighboring zones devoid of particles. Employing high resolution scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS) the customized magnetron sputtering/gas aggregation source is demonstrated to produce bare single metal particles with controlled morphology as well as bimetallic alloy nanoparticles with defined core-shell structures of that are of interest to catalysis.
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Affiliation(s)
- Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, P. O. Box 999, MSIN K8-88, Richland, WA 99352, USA.
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98
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Liang J, Yao C, Li X, Wu Z, Huang C, Fu Q, Lan C, Cao D, Tang Y. Silver nanoprism etching-based plasmonic ELISA for the high sensitive detection of prostate-specific antigen. Biosens Bioelectron 2015; 69:128-34. [PMID: 25721976 DOI: 10.1016/j.bios.2015.02.026] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 02/07/2015] [Accepted: 02/16/2015] [Indexed: 10/24/2022]
Abstract
Ultrasensitive and quantitative detection using simple and low-cost assays is critical in clinical diagnostics. In this report, we developed a triangular silver nanoprism (AgNPRs) etching-based plasmonic biosensor for the detection of cancer biomarkers. The triangular AgNPRs-based plasmonic biosensor is an enzyme-linked immunosorbent assay combined with the enzyme-mediated surface plasmon resonance (SPR) of triangular AgNPRs. Triangular AgNPRs uses the immune response of prostate-specific antigen (PSA) to trigger the glucose oxidase (GOx)-catalysed oxidation of glucose (Glu), producing hydrogen peroxide. Hydrogen peroxide acts as an oxidant to etch the triangular AgNPRs into smaller spherical silver nanoparticles, which is accompanied by a substantial blueshift of the SPR peak and a colourimetric blue-to-purple change that can be observed by the naked eye. The SPR peak shift enables the quantitative assessment of PSA due to the remarkable colour change. The triangular AgNPRs-based plasmonic ELISA approach exhibited a quasilinear response to logarithmic PSA concentrations in the range of 10fg/mL to 100pg/mL with a limit of detection (LOD) of 4.1fg/mL. In addition, the LOD of PSA in this approach exceeds that of the conventional HRP-based ELISA (1.25ng/mL) approach by more than 5 orders of magnitude. Patient serum samples from 16 donors were assayed with triangular AgNPRs-based plasmonic ELISA. The results from the triangular AgNPRs-based immunoassay and the time-resolved fluorescence immunoassay showed excellent correlation, and there were no significant differences in the quantified amounts of PSA. The triangular AgNPRs-based plasmonic ELISA approach has advantages (ultrasensitive, cost-effective, ease of operation) that are expected to be of great interest in diagnostics and to be suitable for a point-of-care test.
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Affiliation(s)
- Jiajie Liang
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Cuize Yao
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Xiuqing Li
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Ze Wu
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Caihong Huang
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Qiangqiang Fu
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Caifeng Lan
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China
| | - Donglin Cao
- Department of Laboratory Medicine, Guangdong No. 2 Provincial People's Hospital, Guangzhou 510317, PR China
| | - Yong Tang
- Department of Bioengineering, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, PR China.
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99
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Chen H, Zhang J, Wu H, Koh K, Yin Y. Sensitive colorimetric assays for α-glucosidase activity and inhibitor screening based on unmodified gold nanoparticles. Anal Chim Acta 2015; 875:92-8. [PMID: 25937110 DOI: 10.1016/j.aca.2015.02.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 02/03/2015] [Accepted: 02/10/2015] [Indexed: 12/16/2022]
Abstract
A colorimetric sensor has been developed in this work to sensitively detect α-glucosidase activity and screen α-glucosidase inhibitors (AGIs) utilizing unmodified gold nanoparticles (AuNPs). The sensing strategy is based on triple-catalytic reaction triggered by α-glucosidase. In the presence of α-glucosidase, aggregation of AuNPs is prohibited due to the oxidation of cysteine to cystine in the system. However, with addition of AGIs, cysteine induced aggregation of AuNPs occurs. Thus, a new method for α-glucosidase activity detection and AGIs screening is developed by measuring the UV-vis absorption or visually distinguishing. A well linear relation is presented in a range of 0.0025-0.05 U mL(-1). The detection limit is found to be 0.001 U mL(-1) for α-glucosidase assay, which is one order of magnitude lower than other reports. The IC50 values of four kinds of inhibitors observed with this method are in accordance with other reports. The using of unmodified AuNPs in this work avoids the complicated and time-consuming modification procedure. This simple and efficient colorimetric method can also be extended to other enzymes assays.
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Affiliation(s)
- Hongxia Chen
- Laboratory of Biosensing Technology, School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| | - Jiangjiang Zhang
- Laboratory of Biosensing Technology, School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| | - Heng Wu
- Laboratory of Biosensing Technology, School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| | - Kwangnak Koh
- Institute of General Education, Pusan National University, Pusan 609-735, Republic of Korea
| | - Yongmei Yin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, PR China.
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100
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Xu Y, Li K, Qin W, Zhu B, Zhou Z, Shi J, Wang K, Hu J, Fan C, Li D. Unraveling the Role of Hydrogen Peroxide in α-Synuclein Aggregation Using an Ultrasensitive Nanoplasmonic Probe. Anal Chem 2015; 87:1968-73. [DOI: 10.1021/ac5043895] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Yan Xu
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Kun Li
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Weiwei Qin
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Bing Zhu
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Ziang Zhou
- The Johns Hopkins University, Baltimore, Maryland 21211, United States
| | - Jiye Shi
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
- UCB Pharm, Slough SL1 3WE, Berks U.K
| | - Kun Wang
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Jun Hu
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Chunhai Fan
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Di Li
- Division
of Physical Biology and Bioimaging Centre, Shanghai Synchrotron Radiation
Facility, CAS Key Laboratory of Interfacial Physics and Technology,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
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