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Xiao Y, Huang P, Wu FY. Bifunctional Tb(III)-modified Ce-MOF nanoprobe for colorimetric and fluorescence sensing of α-glucosidase activity. Talanta 2024; 276:126304. [PMID: 38796993 DOI: 10.1016/j.talanta.2024.126304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 05/08/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
α-Glucosidase, which directly involves in the metabolism of starch and glycogen and causes an increase in blood sugar level, is the major target enzyme for the precaution and therapy of type II diabetes. Based on the previous work, we adopted a post-synthetic modification method to encapsulate Tb3+ into Ce-MOF nanozyme which owned mixed valence states. Tb@Ce-MOF displayed induced luminescence characteristic and exceptional oxidase-like activity that could oxidize colorless 3,3',5,5'-tetramethylbenzidine (TMB) to blue ox-TMB. α-Glucosidase can hydrolyze the substrate l-ascorbic acid-2-O-α-d-glucopyranosyl (AAG) to generate ascorbic acid (AA), which could increase the Ce3+/Ce4+ redox valence mode in Tb@Ce-MOF, leading to the inhibition of the allochroic reaction of TMB and the decreased absorption of ox-TMB at 652 nm. The energy transfer (EnT) process from Ce3+ to Tb3+ will enhance due to the increased Ce3+/Ce4+ mode in Tb@Ce-MOF, which will result in an enhanced fluorescence signal of Tb@Ce-MOF at 550 nm. But the addition of inhibitor acarbose will inhibit the above process. We have constructed a dual-mode detection platform of α-glucosidase and its inhibitor via colorimetric and fluorometric method. The linear range of α-glucosidase were 0.01-0.5 U/mL (colorimetric mode) and 0.8-1.5 U/mL (fluorometric mode), respectively, with a detection limit as low as 0.0018 U/mL. Furthermore, our approach was also successfully employed to the analysis of α-glucosidase in serum samples.
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Affiliation(s)
- Yi Xiao
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Pengcheng Huang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China.
| | - Fang-Ying Wu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China.
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2
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Li Y, Liu W, Jiang X, Liu H, Wang S, Zhang G, Luo X, Zhao Y. A dual-signal triple-readout optical sensing platform for α-glucosidase and β-glucosidase activity monitoring and inhibitor screening based on luminescent covalent organic framework. Anal Chim Acta 2024; 1316:342836. [PMID: 38969426 DOI: 10.1016/j.aca.2024.342836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/24/2024] [Accepted: 06/05/2024] [Indexed: 07/07/2024]
Abstract
BACKGROUND As promising biomarkers of diabetes, α-glucosidase (α-Glu) and β-glucosidase (β-Glu) play a crucial role in the diagnosis and management of diseases. However, there is a scarcity of techniques available for simultaneously and sensitively detecting both enzymes. What's more, most of the approaches for detecting α-Glu and β-Glu rely on a single-mode readout, which can be affected by multiple factors leading to inaccurate results. Hence, the simultaneous detection of the activity levels of both enzymes in a single sample utilizing multiple-readout sensing approaches is highly attractive. RESULTS In this work, we constructed a facile sensing platform for the simultaneous determination of α-Glu and β-Glu by utilizing a luminescent covalent organic framework (COF) as a fluorescent indicator. The enzymatic hydrolysis product common to both enzymes, p-nitrophenol (PNP), was found to affect the fluorometric signal through an inner filter effect on COF, enhance the colorimetric response by intensifying the absorption peak at 400 nm, and induce changes in RGB values when analyzed using a smartphone-based color recognition application. By combining fluorometric/colorimetric measurements with smartphone-assisted RGB mode, we achieved sensitive and accurate quantification of α-Glu and β-Glu. The limits of detection for α-Glu were determined to be 0.8, 1.22, and 1.85 U/L, respectively. Similarly, the limits of detection for β-Glu were 0.16, 0.42, and 0.53 U/L, respectively. SIGNIFICANCE Application of the proposed sensing platform to clinical serum samples revealed significant differences in the two enzymes between healthy people and diabetic patients. Additionally, the proposed sensing method was successfully applied for the screening of α-Glu inhibitors and β-Glu inhibitors, demonstrating its viability and prospective applications in the clinical management of diabetes as well as the discovery of antidiabetic medications.
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Affiliation(s)
- Yue Li
- School of Science, Xihua University, Chengdu, 610039, China
| | - Weiping Liu
- Department of Clinical Laboratory, Zigong First People's Hospital, Zigong, 643000, Sichuan, China
| | - Xinxin Jiang
- School of Science, Xihua University, Chengdu, 610039, China
| | - Hongmei Liu
- School of Science, Xihua University, Chengdu, 610039, China
| | - Sikai Wang
- School of Science, Xihua University, Chengdu, 610039, China
| | - Guoqi Zhang
- School of Science, Xihua University, Chengdu, 610039, China.
| | - Xiaojun Luo
- School of Science, Xihua University, Chengdu, 610039, China.
| | - Yan Zhao
- School of Science, Xihua University, Chengdu, 610039, China; Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Xihua University, Chengdu, 610039, China.
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Iradukunda Y, Kang JY, Zhao XB, Fu XK, Nsanzamahoro S, Ha W, Shi YP. Triple Sensing Modes for Triggered β-Galactosidase Activity Assays Based on Kaempferol-Deduced Silicon Nanoparticles and Biological Imaging of MCF-7 Breast Cancer Cells. ACS APPLIED BIO MATERIALS 2024; 7:3154-3163. [PMID: 38695332 DOI: 10.1021/acsabm.4c00185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
β-Galactosidase (β-Gala) is an essential biomarker enzyme for early detection of breast tumors and cellular senescence. Creating an accurate way to monitor β-Gala activity is critical for biological research and early cancer detection. This work used fluorometric, colorimetric, and paper-based color sensing approaches to determine β-Gala activity effectively. Via the sensing performance, the catalytic activity of β-Gala resulted in silicon nanoparticles (SiNPs), fluorescent indicators obtained via a one-pot hydrothermal process. As a standard enzymatic hydrolysis product of the substrate, kaempferol 3-O-β-d-galactopyranoside (KOβDG) caused the fluorometric signal to be attenuated on kaempferol-silicon nanoparticles (K-SiNPs). The sensing methods demonstrated a satisfactory linear response in sensing β-Gala and a low detection limit. The findings showed the low limit of detection (LOD) as 0.00057 and 0.098 U/mL for fluorometric and colorimetric, respectively. The designed probe was then used to evaluate the catalytic activity of β-Gala in yogurt and human serum, with recoveries ranging from 98.33 to 107.9%. The designed sensing approach was also applied to biological sample analysis. In contrast, breast cancer cells (MCF-7) were used as a model to test the in vitro toxicity and molecular fluorescence imaging potential of K-SiNPs. Hence, our fluorescent K-SiNPs can be used in the clinic to diagnose breast cellular carcinoma, since they can accurately measure the presence of invasive ductal carcinoma in serologic tests.
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Affiliation(s)
- Yves Iradukunda
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jing-Yan Kang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
| | - Xiao-Bo Zhao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
| | - Xiao-Kang Fu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Stanislas Nsanzamahoro
- School of Chemistry and Chemical Engineering, Shandong University, Jinan City, Shandong 250100, PR China
| | - Wei Ha
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
| | - Yan-Ping Shi
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, PR China
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4
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Zhai Z, Wang W, Chai Z, Yuan Y, Zhu Q, Ge J, Li Z. A ratiometric fluorescence platform based on WS 2 QDs/CoOOH nanosheet system for α-glucosidase activity detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 310:123959. [PMID: 38290280 DOI: 10.1016/j.saa.2024.123959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/01/2024]
Abstract
In this study, we have constructed a ratiometric fluorescence sensor for sensitive sensing of α-glucosidase activity based on WS2 QDs/ CoOOH nanosheet system. In this system, as an oxidase-imimicking nanomaterial, CoOOH nanosheet could convert o-phenylenediamine into 2,3-diaminophenazine (DAP), which had a high fluorescence emission at 575 nm. The DAP subsequently could quench the fluorescence of WS2 QDs via the inner filter effect (IFE). L-Ascorbic acid-2-O-α-D-glucopyranose could be hydrolyzed by α-glucosidase to yield ascorbic acid. CoOOH nanosheet can be converted to Co2+ ions by ascorbic acid, leading to the fluorescence decrease of DAP and the fluorescence recovery of WS2 QDs. Therefore, a novel ratio fluorescence sensing strategy was established for α-glucosidase detection based on WS2 QDs/CoOOH nanosheet system. This WS2 QDs/CoOOH nanosheet system has a low detection limit of 0.009 U/mL for α-Glu assay. The proposed strategy succeeded in detecting α-Glu in human serum samples.
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Affiliation(s)
- Zhiyao Zhai
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China
| | - Weixia Wang
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China
| | - Ziwei Chai
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yating Yuan
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China
| | - Qianqian Zhu
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China
| | - Jia Ge
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Zhaohui Li
- College of Chemistry, Institute of Analytical Chemistry for Life Science, Zhengzhou University, Zhengzhou 450001, PR China.
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5
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Sun H, Lv Y, Zhang J, Zhou C, Su X. A dual-signal fluorometric and colorimetric sensing platform based on gold-platinum bimetallic nanoclusters for the determination of β-galactosidase activity. Anal Chim Acta 2023; 1252:341010. [PMID: 36935161 DOI: 10.1016/j.aca.2023.341010] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 02/25/2023]
Abstract
Herein, a novel dual-signal sensing system for the determination of β-galactosidase (β-Gal) activity was established, which was based on a dual-emission probe assembled from gold-platinum bimetallic nanoclusters (Au-Pt NCs) and rhodamine B. Under the catalysis of β-Gal, 4-nitrophenyl β-D-galactopyranoside (PNPG) was rapidly hydrolyzed to generate p-nitrophenol (PNP), which has an obvious UV absorption peak at 400 nm. The hydrolyzed product PNP can quench the fluorescence of Au-Pt NCs effectively by inner filter effect (IFE), and PNP had no impact on the fluorescence of rhodamine B, which will change the emission intensity ratio of Au-Pt NCs and rhodamine B. Therefore, the ratiometric fluorescent and colorimetric dual-signal sensor based on Au-Pt NCs and rhodamine B was successfully constructed for sensitive detection of β-Gal activity. The linear detection range for the ratiometric fluorescence and colorimetric methods were 2.5-25 U/L and 15-55 U/L with detection limits of 1.2 U/L and 5.2 U/L, respectively. The developed assay method has been used for quantitative detection of β-Gal in spiked serum samples and showed good performance. And the detection platform has high reliability and excellent selectivity, which opens a new avenue for the further application of Au-Pt NCs in chemical sensing and biological analysis.
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Affiliation(s)
- Huilin Sun
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yuntai Lv
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Jiabao Zhang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Chenyu Zhou
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xingguang Su
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China.
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6
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Amarsy I, Papot S, Gasser G. Stimuli‐Responsive Metal Complexes for Biomedical Applications. Angew Chem Int Ed Engl 2022; 61:e202205900. [DOI: 10.1002/anie.202205900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Ivanna Amarsy
- Chimie ParisTech PSL University, CNRS Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology 75005 Paris France
| | - Sébastien Papot
- Institut de Chimie des Milieux et des Matériaux de Poitiers (IC2MP) Université de Poitiers, CNRS Equipe Labellisée Ligue Contre le Cancer 4 rue Michel Brunet, TSA 51106 86073 Poitiers France
| | - Gilles Gasser
- Chimie ParisTech PSL University, CNRS Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology 75005 Paris France
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7
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Wang J, Du Y, Du J. Green-emission nitrogen-doped carbon quantum dots from alkaline N-methyl-2-pyrrolidinone for determination of β-galactosidase and its inhibitors. Mikrochim Acta 2022; 189:282. [PMID: 35840722 DOI: 10.1007/s00604-022-05378-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 06/26/2022] [Indexed: 11/30/2022]
Abstract
A new fluorescence method was established for sensitive detection of β-galactosidase (β-gal) activity in spiked human serum and screening of inhibitor. Nitrogen-doped carbon quantum dots (N-CQDs) were prepared by solvothermal polymerization of N-methyl-2-pyrrolidinone in an alkaline condition. The colloidal N-CQDs exhibit good water solubility, stability, and emit bright green fluorescence with a maximum emission peak at 528 nm upon excitation at 420 nm. β-gal specifically catalyzes the decomposition of its substrate P-nitrophenyl-β-D-galactopyranoside into 4-nitrophenol, whose absorption spectrum overlaps well with the excitation spectrum of the N-CQDs. As a result, the fluorescence of the N-CQDs is remarkably quenched by 4-nitrophenol via an inner filter effect. The sensing platform presents a linear response range for β-gal activity from 0.05 to 3.0 U·L-1 with a low limit of detection of 0.023 U·L-1. An acceptable precision is obtained with a relative standard deviation (RSD) of 3.1% for 1.0 U·L-1 β-gal (n = 11). The method was applied to determine β-gal in spiked human serums with recoveries in the range 96.3-104.7%. The method was employed to evaluate inhibitor screening with D-galactal and chloroquine diphosphate as models.
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Affiliation(s)
- Jiawei Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Yi Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
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8
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Amarsy I, Papot S, Gasser G. Stimuli‐Responsive Metal Complexes for Biomedical Applications. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ivanna Amarsy
- Chimie ParisTech - PSL: Ecole nationale superieure de chimie de Paris PSL University FRANCE
| | - Sébastien Papot
- Université de Poitiers: Universite de Poitiers Institut de Chimie des Milieux et des Matériaux de Poitiers (IC2MP) FRANCE
| | - Gilles Gasser
- Universite PSL Chimie ParisTech 11, rue Pierre et Marie Curie 75005 Paris FRANCE
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9
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Abstract
In the last few decades, plasmonic colorimetric biosensors raised increasing interest in bioanalytics thanks to their cost-effectiveness, responsiveness, and simplicity as compared to conventional laboratory techniques. Potential high-throughput screening and easy-to-use assay procedures make them also suitable for realizing point of care devices. Nevertheless, several challenges such as fabrication complexity, laborious biofunctionalization, and poor sensitivity compromise their technological transfer from research laboratories to industry and, hence, still hamper their adoption on large-scale. However, newly-developing plasmonic colorimetric biosensors boast impressive sensing performance in terms of sensitivity, dynamic range, limit of detection, reliability, and specificity thereby continuously encouraging further researches. In this review, recently reported plasmonic colorimetric biosensors are discussed with a focus on the following categories: (i) on-platform-based (localized surface plasmon resonance, coupled plasmon resonance and surface lattice resonance); (ii) colloid aggregation-based (label-based and label free); (iii) colloid non-aggregation-based (nanozyme, etching-based and growth-based).
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10
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Liu Z, Liu S, Gao D, Li Y, Tian Y, Bai E. An Optical Sensing Platform for Beta-Glucosidase Activity Using Protein-Inorganic Hybrid Nanoflowers. J Fluoresc 2022; 32:669-680. [PMID: 35040029 DOI: 10.1007/s10895-021-02859-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 11/22/2021] [Indexed: 10/19/2022]
Abstract
In this work, a convenient and dual-signal readout optical sensing platform for the sensitively and selectively determination of beta-glucosidase (β-Glu) activity was reported using protein-inorganic hybrid nanoflowers [BSA-Cu3(PO4)2·3H2O] possessing peroxidase-mimicking activity. The nanoflowers (NFs) were facilely synthesized through a self-assembled synthesis strategy at room temperature. The as-prepared NFs could catalytically convert the colorless and non-fluorescent Amplex Red into colored and highly fluorescent resorufin in the presence of hydrogen peroxide via electron transfer process. β-Glu could hydrolyze cyanogenic glycoside, using amygdalin (Amy) as a model, into cyanide ions (CN-), which can subsequently efficiently suppress the catalytic activity of NFs, accompanied with the fluorescence decrease and the color fading. The concentration of CN- was controlled by β-Glu-triggered enzymatic reaction of Amy. Thus, a sensing system was established for fluorescent and visual determination of β-Glu activity. Under the optimum conditions, the present fluorescent and visual bimodal sensing platform exhibited good sensitivity for β-Glu activity assay with a detection limit of 0.33 U·L-1. The sensing platform was further applied to determinate β-Glu in real samples and satisfactory results were attained. Additionally, the optical sensing system can potentially be a promising candidate for β-Glu inhibitors screening.
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Affiliation(s)
- Ziping Liu
- Key Laboratory of Geographical Processes and Ecological Security of Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal University, Changchun, 130024, China.,School of Geographical Sciences, Northeast Normal University, People's Street 5268, Changchun Jilin, 130024, China
| | - Shasha Liu
- Key Laboratory of Geographical Processes and Ecological Security of Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal University, Changchun, 130024, China
| | - Decai Gao
- Key Laboratory of Geographical Processes and Ecological Security of Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal University, Changchun, 130024, China.
| | - Yanan Li
- Key Laboratory for Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin Province, 130024, China
| | - Ye Tian
- Jilin Province Product Quality Supervision Testing Institute, Changchun, 130012, People's Republic of China
| | - Edith Bai
- Key Laboratory of Geographical Processes and Ecological Security of Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal University, Changchun, 130024, China.
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11
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Gao S, Zhao L, Fan Z, Kodibagkar VD, Liu L, Wang H, Xu H, Tu M, Hu B, Cao C, Zhang Z, Yu JX. In Situ Generated Novel 1H MRI Reporter for β-Galactosidase Activity Detection and Visualization in Living Tumor Cells. Front Chem 2021; 9:709581. [PMID: 34336792 PMCID: PMC8321238 DOI: 10.3389/fchem.2021.709581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/16/2021] [Indexed: 12/24/2022] Open
Abstract
For wide applications of the lacZ gene in cellular/molecular biology, small animal investigations, and clinical assessments, the improvement of noninvasive imaging approaches to precisely assay gene expression has garnered much attention. In this study, we investigate a novel molecular platform in which alizarin 2-O-β-d-galactopyranoside AZ-1 acts as a lacZ gene/β-gal responsive 1H-MRI probe to induce significant 1H-MRI contrast changes in relaxation times T 1 and T 2 in situ as a concerted effect for the discovery of β-gal activity with the exposure of Fe3+. We also demonstrate the capability of this strategy for detecting β-gal activity with lacZ-transfected human MCF7 breast and PC3 prostate cancer cells by reaction-enhanced 1H-MRI T 1 and T 2 relaxation mapping.
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Affiliation(s)
- Shuo Gao
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Lei Zhao
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Zhiqiang Fan
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Vikram D. Kodibagkar
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, United States
| | - Li Liu
- Department of Radiology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, United States
| | - Hanqin Wang
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Hong Xu
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Mingli Tu
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Bifu Hu
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Chuanbin Cao
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Zhenjian Zhang
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
| | - Jian-Xin Yu
- Center of Translational Medicine, Fifth School of Medicine/Suizhou Central Hospital, Hubei University of Medicine, Suizhou, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
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12
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Development of MALDI MS peptide array for thrombin inhibitor screening. Talanta 2021; 226:122129. [PMID: 33676683 DOI: 10.1016/j.talanta.2021.122129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/11/2021] [Accepted: 01/16/2021] [Indexed: 11/20/2022]
Abstract
The development of in situ methods for the analysis and visualization of enzyme activity is of paramount importance in drug discovery, research, and development. In this work, the functionalized and array patterned indium tin oxide (ITO) glass slides were fabricated by non-covalent immobilization of amphipathic phospholipid-tagged peptides encompassing the thrombin cleavage site on steric acid-modified ITO slides. The fabricated peptide arrays provide 60 spots per slide, and are compatible with matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) measurement, free matrix peak interference, and tolerance to repeated aqueous washing. The peptide arrays were used for the investigation of thrombin activity and screening for its potential inhibitors. The thrombin activity and its Michaelis-Menten constant (Km) for immobilized peptide substrate was determined using developed MALDI MS peptide array. To investigate the applicability and effectiveness of peptide arrays, the anti-thrombin activity of grape seed proanthocyanidins with different degrees of polymerization (DP) was monitored and visualized. MALDI MS imaging results showed that the fractions of proanthocyanidins with the mean DP of 4.61-6.82 had good thrombin inhibitory activity and their half-maximal inhibitory concentration (IC50) were below 10 μg/mL. Therefore, the developed peptide array is a reliable platform for the discovery of natural thrombin inhibitors.
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Abstract
Enzymes are a class of protein that catalyze a wide range of chemical reactions, including the cleavage of specific peptide bonds. They are expressed in all cell types, play vital roles in tissue development and homeostasis, and in many diseases, such as cancer. Enzymatic activity is tightly controlled through the use of inactive pro-enzymes, endogenous inhibitors and spatial localization. Since the presence of specific enzymes is often correlated with biological processes, and these proteins can directly modify biomolecules, they are an ideal biological input for cell-responsive biomaterials. These materials include both natural and synthetic polymers, cross-linked hydrogels and self-assembled peptide nanostructures. Within these systems enzymatic activity has been used to induce biodegradation, release therapeutic agents and for disease diagnosis. As technological advancements increase our ability to quantify the expression and nanoscale organization of proteins in cells and tissues, as well as the synthesis of increasingly complex and well-defined biomaterials, enzyme-responsive biomaterials are poised to play vital roles in the future of biomedicine.
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Affiliation(s)
- E. Thomas Pashuck
- Department of Bioengineering, P.C. Rossin College of Engineering and Applied Science, Lehigh University Bethlehem Pennsylvania USA
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14
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Xie X, Lian Y, Xiao L, Wei L. Facile and label-free fluorescence sensing of β-galactosidase activity by graphene quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 240:118594. [PMID: 32563033 DOI: 10.1016/j.saa.2020.118594] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/04/2020] [Accepted: 06/06/2020] [Indexed: 06/11/2023]
Abstract
β-Galactosidase (β-Gal), as a glycoside hydrolase, is closely associated with cell senescence and primary ovarian cancer. However, there is still lack of facile and rapid sensing approach to monitor the β-Gal activity. In this work, a label-free and convenient sensing strategy to detect β-Gal activity has been proposed based on fluorescent graphene quantum dots (GQDs). In the presence of β-Gal, 4-nitrophenyl-β-D-galactopyranoside (NPGal) can be hydrolyzed into 4-nitrophenol (4-NP), which serves as a good quencher to quench the fluorescence of GQDs. The quenching mechanism is proven to be inner filter effect (IFE). Due to the specificity of the enzymatic reaction, this sensing method displays excellent selectivity and high sensitivity. A broad dynamic range from 20 to 200 U L-1 and a detection limit of 4.4 U L-1 for the β-Gal assay are achieved. Compared with the previously reported methods, this sensing strategy only needs one fluorescent nanomaterial without any modification and avoids time-consuming handling steps. Therefore, the sensing strategy based on fluorescent GQDs offers great potential for the recognition of disease-correlated enzyme activity.
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Affiliation(s)
- Xiangjun Xie
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yawen Lian
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Lehui Xiao
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lin Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.
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15
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Wang M, Wang M, Zhang F, Su X. A ratiometric fluorescent biosensor for the sensitive determination of α-glucosidase activity and acarbose based on N-doped carbon dots. Analyst 2020; 145:5808-5815. [PMID: 32672281 DOI: 10.1039/d0an01065k] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In this work, a novel ratiometric fluorescent platform for α-glucosidase (α-glu) and its inhibitor was constructed based on N-doped carbon dots (N-CDs). The α-glucosidase present can catalyze the release of hydroquinone (HQ) from α-arbutin. Then, the generated HQ can be oxidized and copolymerized with polyethyleneimine (PEI) to form a yellowish green fluorescence copolymer (PHQ-PEI) with intense fluorescence emission at 510 nm. When the PHQ-PEI was formed, blue fluorescence of N-CDs at 425 nm was decreased, whereas the fluorescence of PHQ-PEI at 510 nm increased sharply as a result of the fluorescence resonance energy transfer (FRET) effect between N-CDs and PHQ-PEI. However, in the presence of acarbose, the activity of α-glucosidase is inhibited, and α-arbutin cannot be hydrolyzed to hydroquinone, leading to the fluorescence recovery of N-CDs at 425 nm and the fluorescence decrease of PHQ-PEI at 510 nm. The linear range from 0.2 to 1.6 mU mL-1 and 25-150 μmol L-1 was obtained for α-glucosidase and acarbose detection, respectively, and the detection limit (LOD) for α-glucosidase and acarbose was as low as 0.082 mU mL-1 and 14.5 μmol L-1. Thus, a ratiometric fluorescent sensor with good sensitivity and high specificity was established for α-glucosidase assay and satisfactory results were acquired in real sample determination.
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Affiliation(s)
- Mengjun Wang
- College of Chemistry, Jilin University, Changchun, 130012, PR China.
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16
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Wang X, Chen W, Yang H, Zhang X, Deng M, Zhou X, Huang K, Chen P, Ying B. Multimode detection of β-glycosidase and pathogenic bacteria via cation exchange assisted signal amplification. Mikrochim Acta 2020; 187:453. [PMID: 32681310 DOI: 10.1007/s00604-020-04442-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 07/08/2020] [Indexed: 02/05/2023]
Abstract
A rapid strategy for the β-glycosidase (β-Gal) and Escherichia coli (E. coli) sensing is presented, which is based on selective recognition reactions of QDs using visualization/fluorescence (FL)/atomic fluorescence spectrometry (AFS)/inductively coupled plasma mass spectrometry (ICP-MS) multimode assay. CdTe QDs can selectively recognize Ag+ and Ag NPs with a cation exchange reaction (CER) where Ag+ triggers the release of Cd2+ and quenches the fluorescence signal of QDs. Taking advantage of the fact that β-Gal can hydrolyze 4-Aminophenyl β-D-galactopyranoside (PAPG) to produce p-aminophenol (PAP), which has the ability to reduce Ag+ to form Ag NPs. The β-Gal can be easily detected by visualization or FL in a turn-on manner. Furthermore, combining with the selective separation of Cd2+ by filter membrane, AFS and ICP-MS with higher sensitivity were used for the determination of the enzyme. Under optimized conditions, the system limits of detections (LODs) were 0.01 U/L, 0.03 mU/L, and 0.02 mU/L using FL, AFS, and ICP-MS as the detector, respectively. The relative standard deviations (RSDs, n = 7) for 0.1 U/L β-Gal were 2.2, 2.0, and 1.3% using FL/AFS/ICP-MS as the detector, respectively. And 0.1 U/L of β-Gal can be discriminated from the blank solution with the naked eye. In addition, given that the β-Gal can serve as an indicator of E. coli, we have successfully applied this strategy for the detection of E. coli with a LOD of 25 CFU/mL. Application of the method was demonstrated by analyzing human urine samples and milk samples for ultra-trace detection of E. coli. Graphical abstract The CVG-AFS/ICP-MS/visual/FL multimode β-Gal and E.coli detection via CER.
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Affiliation(s)
- Xiu Wang
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, Sichuan, China
| | - Wanli Chen
- College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637000, China
| | - Haiyan Yang
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, Sichuan, China
| | - Xialin Zhang
- Interdisciplinary Nanoscience Center, Aarhus University, 8000, Aarhus C, Denmark
| | - Min Deng
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, Sichuan, China
| | - Xingyue Zhou
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, Sichuan, China
| | - Ke Huang
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, Sichuan, China.
| | - Piaopiao Chen
- Department of Laboratory Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China.
| | - Binwu Ying
- Department of Laboratory Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China.
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17
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A “turn off-on” fluorescent nanoprobe consisting of CuInS2 quantum dots for determination of the activity of β-glucosidase and for inhibitor screening. Mikrochim Acta 2019; 186:806. [DOI: 10.1007/s00604-019-3918-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 10/11/2019] [Indexed: 10/25/2022]
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18
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Kong B, Yang T, Hou P, Li CH, Zou HY, Huang CZ. Enzyme‐triggered fluorescence turn‐off/turn‐on of carbon dots for monitoring β‐glucosidase and its inhibitor in living cells. LUMINESCENCE 2019; 35:222-230. [DOI: 10.1002/bio.3717] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 09/03/2019] [Accepted: 09/18/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Bo Kong
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
| | - Tong Yang
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
- College of Chemistry and Chemical EngineeringYunnan Normal University Kunming Yunnan China
| | - Peng Hou
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
| | - Chun Hong Li
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
| | - Hong Yan Zou
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
| | - Cheng Zhi Huang
- Key Laboratory of Luminescence and Real‐Time Analytical Chemistry (Southwest University)Ministry of Education, College of Pharmaceutical Sciences, Southwest University Chongqing China
- Chongqing Key Laboratory of Biomedical Analysis, Chongqing Science & Technology CommissionCollege of Chemistry and Chemical Engineering, Southwest University Chongqing China
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19
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Denavit V, St‐Gelais J, Tremblay T, Giguère D. Exploring the Chemistry of Non‐sticky Sugars: Synthesis of Polyfluorinated Carbohydrate Analogues of
d
‐Allopyranose. Chemistry 2019; 25:9272-9279. [DOI: 10.1002/chem.201901346] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/16/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Vincent Denavit
- Département de Chimie, PROTEO, RQRMUniversité Laval 1045 Avenue de la Médecine Quebec City QC G1V 0A6 Canada
| | - Jacob St‐Gelais
- Département de Chimie, PROTEO, RQRMUniversité Laval 1045 Avenue de la Médecine Quebec City QC G1V 0A6 Canada
| | - Thomas Tremblay
- Département de Chimie, PROTEO, RQRMUniversité Laval 1045 Avenue de la Médecine Quebec City QC G1V 0A6 Canada
| | - Denis Giguère
- Département de Chimie, PROTEO, RQRMUniversité Laval 1045 Avenue de la Médecine Quebec City QC G1V 0A6 Canada
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20
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Mohamed A, Li X, Li J, Lin C, Asiri AM, Marwani HM, Wang S, Xiao Z, Li B, Yuan C. Single microbead-based fluorescence “turn on” detection of biothiols by flow cytometry. Talanta 2019; 195:197-203. [DOI: 10.1016/j.talanta.2018.11.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 10/08/2018] [Accepted: 11/07/2018] [Indexed: 01/08/2023]
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21
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Sun C, Zhang X, Tang M, Liu L, Shi Y, Gao C, Liao B, Zheng H. New optical method for the determination of β-galactosidase and α-fetoprotein based on oxidase-like activity of fluorescein. Talanta 2018; 194:164-170. [PMID: 30609517 DOI: 10.1016/j.talanta.2018.08.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/15/2018] [Accepted: 08/27/2018] [Indexed: 01/01/2023]
Abstract
Fluorescein has been found as an efficient visible-light-induced oxidase mimic and its catalytic performance is group-dependent. Herein, a facile colorimetric strategy for β-galactosidase (β-gal) was developed using fluorescein di β-D-galactopyranoside (FDG) as a probe based on the analyte induced change in oxidase mimicking activity of fluorescein derivatives. FDG doesn't possess any visible-light-induced oxidase activity and can generate fluorescein and fluorescein mono β-D-galactopyranoside (FMG) in the presence of β-gal. The in situ generated fluorescein and FMG possess high oxidase-like activities under visible-light illumination and could catalyze the oxidation of 3, 3', 5, 5'-tetramethylbenzidine (TMB) upon short irradiation by light-emitting diode (LED) lamp. Thus, the β-gal activity can be selectively detected in linear range from 0.10 to 12.9 μg mL-1 with a limit of detection (LOD) of 0.04 μg mL-1. We further integrated with the visual detection of α-fetoprotein antigen (AFP) based on the corresponding colorimetric signal induced by β-gal-linked colorimetric immunoassay, a LOD of 0.08 ng mL-1 could be achieved. Significantly, our proposed assay provides a facile sensing platform based on the change in enzyme mimicking activity induced by analytes. In addition, this optical method works without complex synthesis procedure and efficiently avoids participation of unstable H2O2 as an oxidant. Therefore, the present work not only shows the excellent assay performance in β-gal and tumor biomarker detection, but also opens up a new avenue for its application in practical optical sensing.
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Affiliation(s)
- Chaoqun Sun
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Beibei, Chongqing 400715, PR China
| | - Xia Zhang
- Department of Laboratory Medicine, the Ninth People's Hospital of Chongqing, Chongqing 400700, PR China
| | - Menghuan Tang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Beibei, Chongqing 400715, PR China
| | - Li Liu
- College of Chemistry and Environment Science, Qujing Normal University, Qujing 655011, PR China
| | - Ying Shi
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Beibei, Chongqing 400715, PR China
| | - Chunhong Gao
- School of Physical Science and Technology, MOE Key Laboratory on Luminescence and Real Time Analysis, Southwest University, Beibei, Chongqing 400715, PR China
| | - Bing Liao
- Department of Laboratory Medicine, the Ninth People's Hospital of Chongqing, Chongqing 400700, PR China.
| | - Huzhi Zheng
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Beibei, Chongqing 400715, PR China.
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22
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Aldewachi H, Chalati T, Woodroofe MN, Bricklebank N, Sharrack B, Gardiner P. Gold nanoparticle-based colorimetric biosensors. NANOSCALE 2017; 10:18-33. [PMID: 29211091 DOI: 10.1039/c7nr06367a] [Citation(s) in RCA: 321] [Impact Index Per Article: 45.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Gold nanoparticles (AuNPs) provide excellent platforms for the development of colorimetric biosensors as they can be easily functionalised, displaying different colours depending on their size, shape and state of aggregation. In the last decade, a variety of biosensors have been developed to exploit the extent of colour changes as nano-particles (NPs) either aggregate or disperse, in the presence of analytes. Of critical importance to the design of these methods is that the behaviour of the systems has to be reproducible and predictable. Much has been accomplished in understanding the interactions between a variety of substrates and AuNPs, and how these interactions can be harnessed as colorimetric reporters in biosensors. However, despite these developments, only a few biosensors have been used in practice for the detection of analytes in biological samples. The transition from proof of concept to market biosensors requires extensive long-term reliability and shelf life testing, and modification of protocols and design features to make them safe and easy to use by the population at large. Developments in the next decade will see the adoption of user friendly biosensors for point-of-care and medical diagnosis as innovations are brought to improve the analytical performances and usability of the current designs. This review discusses the mechanisms, strategies, recent advances and perspectives for the use of AuNPs as colorimetric biosensors.
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Affiliation(s)
- H Aldewachi
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK.
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23
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Xue Z, Wang X, Rao H, Liu X, Lu X. A colorimetric sensor of cysteine based on self-assembly nanostructures of Fe 3+-H 2O 2/Tetramethylbenzidine system with "On-Off" switching function. Anal Biochem 2017; 534:1-9. [PMID: 28693991 DOI: 10.1016/j.ab.2017.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 06/26/2017] [Accepted: 07/04/2017] [Indexed: 10/19/2022]
Abstract
Many strategies have been explored for selectively and sensitively detecting cysteine in different samples. Here, a novel colorimetric sensor based on self-assembly nanostructures of Fe3+-H2O2/Tetramethylbenzidine system with dual-level logic gate function and colorimetric determination of cysteine were firstly explored. The proposed Fe3+-H2O2-TMB system provides a sensitive optical signal due to the selectively reductive ability of cysteine to the oxidized TMB and thus could be successfully applied to the construction of instant on-site visual detection method with a paper based test strip for cysteine determination in a sample solution as well as for a dual-level logic gate fabrication.
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Affiliation(s)
- Zhonghua Xue
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China.
| | - Xiaofen Wang
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Honghong Rao
- College of Chemistry and Chemical Engineering, Lanzhou City University, Lanzhou 730070, China
| | - Xiuhui Liu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China.
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24
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Zhao M, Qian Z, Zhong M, Chen Z, Ao H, Feng H. Fabrication of Stable and Luminescent Copper Nanocluster-Based AIE Particles and Their Application in β-Galactosidase Activity Assay. ACS APPLIED MATERIALS & INTERFACES 2017; 9:32887-32895. [PMID: 28861993 DOI: 10.1021/acsami.7b09659] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Thiolated copper nanoclusters (CuNCs) with aggregation-induced emission characteristic are becoming a novel luminescent material, but it is still a challenging task to retain its bright luminescence in a neutral solution. In this work, we report a new copper nanocluster with aggregation-induced emission (AIE) enhancement property using a hydrophobic molecule as the protecting ligand, and brightly luminescent AIE particles of copper nanocluster were prepared via hydrophobic interaction. These CuNCs AIE particles possess uniform rod-like shapes, with sizes in hundreds of nanometer, and an intense luminescence; more importantly, its luminescence remains stable in neutral and alkaline solutions. It is found that 4-nitrophenol is able to effectively quench the luminescence of CuNC AIE particles through strong hydrophobic interaction and electron transfer between them. This strong quenching effect was adopted to develop a luminescent assay for β-galactosidase at physiological condition. This work presents a demonstration of preparing CuNC AIE particles with bright luminescence at neutral condition and gives an example of the use of AIE particles in monitoring the enzyme activity.
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Affiliation(s)
- Meizhi Zhao
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
| | - Zhaosheng Qian
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
| | - Mengting Zhong
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
| | - Zhentian Chen
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
| | - Hang Ao
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
| | - Hui Feng
- College of Chemistry and Life Science, Zhejiang Normal University , Jinhua 321004, People's Republic of China
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25
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Huang X, Liu Y, Yung B, Xiong Y, Chen X. Nanotechnology-Enhanced No-Wash Biosensors for in Vitro Diagnostics of Cancer. ACS NANO 2017; 11:5238-5292. [PMID: 28590117 DOI: 10.1021/acsnano.7b02618] [Citation(s) in RCA: 145] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
In vitro biosensors have been an integral component for early diagnosis of cancer in the clinic. Among them, no-wash biosensors, which only depend on the simple mixing of the signal generating probes and the sample solution without additional washing and separation steps, have been found to be particularly attractive. The outstanding advantages of facile, convenient, and rapid response of no-wash biosensors are especially suitable for point-of-care testing (POCT). One fast-growing field of no-wash biosensor design involves the usage of nanomaterials as signal amplification carriers or direct signal generating elements. The analytical capacity of no-wash biosensors with respect to sensitivity or limit of detection, specificity, stability, and multiplexing detection capacity is largely improved because of their large surface area, excellent optical, electrical, catalytic, and magnetic properties. This review provides a comprehensive overview of various nanomaterial-enhanced no-wash biosensing technologies and focuses on the analysis of the underlying mechanism of these technologies applied for the early detection of cancer biomarkers ranging from small molecules to proteins, and even whole cancerous cells. Representative examples are selected to demonstrate the proof-of-concept with promising applications for in vitro diagnostics of cancer. Finally, a brief discussion of common unresolved issues and a perspective outlook on the field are provided.
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Affiliation(s)
- Xiaolin Huang
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Yijing Liu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Bryant Yung
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
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26
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Tang C, Zhou J, Qian Z, Ma Y, Huang Y, Feng H. A universal fluorometric assay strategy for glycosidases based on functional carbon quantum dots: β-galactosidase activity detection in vitro and in living cells. J Mater Chem B 2017; 5:1971-1979. [PMID: 32263951 DOI: 10.1039/c6tb03361j] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The development of highly sensitive assays for glycosidases is of critical significance to understand their functions, facilely detect associated diseases and screen potential new drugs. In this work, we develop a universal assay strategy for glycosidase enzymes and inhibitor screening based on functional carbon quantum dots through a combined host-guest recognition and specific static quenching-induced signal transduction mechanism. This detection strategy is established in terms of the following facts: (1) β-cyclodextrin as a perfect host can selectively associate with p-nitrophenol due to its hydrophobic character and right size match of the cavity, which renders specific binding between β-cyclodextrin and p-nitrophenol via a host-guest recognition. (2) The formation of an inclusion complex between β-cyclodextrin modified carbon quantum dots (β-CD-CQDs) and p-nitrophenol results in fluorescence quenching with a high quenching efficiency due to the static quenching mechanism. Glycoconjugates of p-nitrophenol as the substrates could be rapidly hydrolyzed to corresponding glycose and p-nitrophenol in the presence of specific glycosidase, and the resulting p-nitrophenol induces the following host-guest interaction and static quenching leading to a change in the fluorescence signal. The activity of different glycosidase enzymes could be evaluated in the same way as long as the glycosyl unit of glycosylated substrates was changed. Here we take β-galactosidase as an example to demonstrate the applicability of the proposed detection strategy because it can act as a molecular target for primary ovarian cancers. A highly sensitive assay for β-galactosidase activity in terms of linear correlation of the fluorescence change with the β-galactosidase level was established with a low detection limit of 0.6 U L-1. Its function of inhibitor screening was also assessed by using d-galactal as the inhibitor for β-galactosidase, and the positive results indicated its feasibility to screen potential inhibitors. It is also illustrated that the nanoprobe possesses excellent biocompatibility, and can sensitively monitor the intracellular β-galactosidase level in ovarian cancer cells. This work provides a general detection method for glycosidase activity, demonstrates its applicability of monitoring the enzyme level in living cells, and broadens fluorogenic probes in fluorescence-guided diagnostics.
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Affiliation(s)
- Cong Tang
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China.
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27
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Hu Q, Ma K, Mei Y, He M, Kong J, Zhang X. Metal-to-ligand charge-transfer: Applications to visual detection of β-galactosidase activity and sandwich immunoassay. Talanta 2017; 167:253-259. [PMID: 28340718 DOI: 10.1016/j.talanta.2017.02.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 02/07/2017] [Accepted: 02/10/2017] [Indexed: 12/22/2022]
Abstract
In this work, we report a novel use of the distinctive metal-to-ligand charge-transfer (MLCT) absorption properties of the chromogenic Fe(BPDS)34- (BPDS=bathophenanthroline disulfonic acid) reporter for the visual detection of β-galactosidase (β-Gal) activity and sandwich immunoassay. The enzymatic hydrolysis of the substrate p-aminophenyl-β-D-galactopyranoside can switch on the reduction of Fe3+ to Fe2+ and the subsequent complexation of Fe2+ with the BPDS ligand to generate the Fe(BPDS)34- reporter, leading to the appearance of the intense MLCT absorption band at 535nm and the colorless-to-red color change of the solution. Simply through a single step, the activity of β-Gal can be sensitively and selectively detected within the dynamic range of 0-220mUmL-1, with a limit of detection (LOD) of 1.69mUmL-1. This approach is applicable for the visual detection of β-Gal activities in the presence of complex human serum samples. Besides, when integrated with the sandwich immunoassay of carcinoembryonic antigen, a LOD of 1.16ngmL-1 can be achieved. In light of its prominent simplicity and practicality, our MLCT-based approach holds great potential in diagnostic and analytical applications.
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Affiliation(s)
- Qiong Hu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Kefeng Ma
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Yaqi Mei
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Minhui He
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China.
| | - Xueji Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China; Chemistry Department, College of Arts and Sciences, University of South Florida, East Fowler Ave, Tampa, Florida 33620-4202, United States.
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28
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Huang Y, Feng H, Liu W, Zhang S, Tang C, Chen J, Qian Z. Cation-driven luminescent self-assembled dots of copper nanoclusters with aggregation-induced emission for β-galactosidase activity monitoring. J Mater Chem B 2017; 5:5120-5127. [DOI: 10.1039/c7tb00901a] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The self-assembly of CuNCs was driven by aluminum cations and they had a sensing application in the monitoring of β-galactosidase activity.
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Affiliation(s)
- Yuanyuan Huang
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Hui Feng
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Weidong Liu
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Shasha Zhang
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Cong Tang
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Jianrong Chen
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Zhaosheng Qian
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
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29
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Nagy G, Peng T, Pohl NLB. General Label-Free Mass Spectrometry-Based Assay To Identify Glycosidase Substrate Competence. Anal Chem 2016; 88:7183-90. [DOI: 10.1021/acs.analchem.6b01360] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Gabe Nagy
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Tianyuan Peng
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Nicola L. B. Pohl
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
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30
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Tao Y, Li M, Ren J, Qu X. Metal nanoclusters: novel probes for diagnostic and therapeutic applications. Chem Soc Rev 2016; 44:8636-63. [PMID: 26400655 DOI: 10.1039/c5cs00607d] [Citation(s) in RCA: 481] [Impact Index Per Article: 60.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Metal nanoclusters, composed of several to a few hundred metal atoms, have received worldwide attention due to their extraordinary physical and chemical characteristics. Recently, great efforts have been devoted to the exploration of the potential diagnostic and therapeutic applications of metal nanoclusters. Here we focus on the recent advances and new horizons in this area, and introduce the rising progress on the use of metal nanoclusters for biological analysis, biological imaging, therapeutic applications, DNA assembly and logic gate construction, enzyme mimic catalysis, as well as thermometers and pH meters. Furthermore, the future challenges in the construction of biofunctional metal nanoclusters for diagnostic and therapeutic applications are also discussed. We expect that the rapidly growing interest in metal nanocluster-based theranostic applications will certainly not only fuel the excitement and stimulate research in this highly active field, but also inspire broader concerns across various disciplines.
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Affiliation(s)
- Yu Tao
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China. and University of Chinese Academy of Sciences, Beijing 100039, China
| | - Mingqiang Li
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jinsong Ren
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China.
| | - Xiaogang Qu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China.
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31
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Zeng Z, Cui B, Wang Y, Sun C, Zhao X, Cui H. Dual Reaction-Based Multimodal Assay for Dopamine with High Sensitivity and Selectivity Using Functionalized Gold Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2015; 7:16518-16524. [PMID: 26171655 DOI: 10.1021/acsami.5b03956] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A simple and dual chemical reaction-based multimodal assay for dopamine with high sensitivity and selectivity using two types of functionalized gold nanoparticles (FB-AuNPs/NsNHS-AuNPs), i.e. fluorescein modified gold nanoparticles (FB-AuNPs) and Nile blue modified gold nanoparticles (NsNHS-AuNPs), was successfully fabricated. This assay for dopamine presents colorimetric visualization and double channel fluorescence enhancement at 515 and 665 nm. The absorbance and fluorescence changes were linearly proportional to the amounts of dopamine in the range of nanomolar scale (5-100 nM). The detection limits for absorbance and fluorescence were as low as 1.2 nM and 2.9 nM (S/N = 3), respectively. Furthermore, the extent application of this multimodal assay has been successfully demonstrated in human urine samples with high reliability and applicability, showing remarkable promise in diagnostic purposes.
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Affiliation(s)
- Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Bo Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Changjiao Sun
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Xiang Zhao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
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32
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Zeng Z, Mizukami S, Fujita K, Kikuchi K. An enzyme-responsive metal-enhanced near-infrared fluorescence sensor based on functionalized gold nanoparticles. Chem Sci 2015; 6:4934-4939. [PMID: 29142724 PMCID: PMC5664366 DOI: 10.1039/c5sc01850a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 06/04/2015] [Indexed: 01/22/2023] Open
Abstract
Near-infrared (NIR) fluorescence imaging is promising due to the high penetration depths and minimal levels of autofluorescence in living systems. However, it suffers from low fluorescent quantum yield, and metal-enhanced fluorescence (MEF) is considered to be a promising technique to overcome this. Stimuli-responsive NIR fluorescence enhancement shows remarkable potential for applications in medical imaging and diagnosis. Herein, we successfully fabricated an enzyme-responsive near-infrared sensor based on MEF by functionalizing gold nanoparticles with NIR fluorophores and enzyme-responsive self-aggregation moieties. The NIR fluorescence of fluorophores on the gold nanoparticles was significantly enhanced due to increases both in the light scattering intensity and in the radiative decay rate (kr) of the NIR fluorophores, along with relatively small variation in the nonradiative decay rate. This novel strategy for NIR fluorescent sensors should be particularly promising for NIR fluorescence imaging of enzyme activities and early diagnosis based on rationally designed nanomaterials.
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Affiliation(s)
- Zhanghua Zeng
- Division of Advanced Science and Biotechnology , Osaka University , Osaka , 565-0871 , Japan .
| | - Shin Mizukami
- Division of Advanced Science and Biotechnology , Osaka University , Osaka , 565-0871 , Japan .
- Immunology Frontier Research Centre , Osaka University , Osaka , 565-0871 , Japan
| | - Katsumasa Fujita
- Department of Applied Physics , Graduate School of Engineering , Osaka University , Osaka , 565-0871 , Japan
| | - Kazuya Kikuchi
- Division of Advanced Science and Biotechnology , Osaka University , Osaka , 565-0871 , Japan .
- Immunology Frontier Research Centre , Osaka University , Osaka , 565-0871 , Japan
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33
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Burke HM, Gunnlaugsson T, Scanlan EM. Recent advances in the development of synthetic chemical probes for glycosidase enzymes. Chem Commun (Camb) 2015; 51:10576-88. [PMID: 26051717 DOI: 10.1039/c5cc02793d] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The emergence of synthetic glycoconjugates as chemical probes for the detection of glycosidase enzymes has resulted in the development of a range of useful chemical tools with applications in glycobiology, biotechnology, medical and industrial research. Critical to the function of these probes is the preparation of substrates containing a glycosidic linkage that when activated by a specific enzyme or group of enzymes, irreversibly releases a reporter molecule that can be detected. Starting from the earliest examples of colourimetric probes, increasingly sensitive and sophisticated substrates have been reported. In this review we present an overview of the recent advances in this field, covering an array of strategies including chromogenic and fluorogenic substrates, lanthanide complexes, gels and nanoparticles. The applications of these substrates for the detection of various glycosidases and the scope and limitations for each approach are discussed.
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Affiliation(s)
- Helen M Burke
- School of Chemistry and Trinity Biomedical Sciences Institute, Trinity College, Pearse St, Dublin 2, Ireland.
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34
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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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35
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Deng J, Lu Q, Hou Y, Liu M, Li H, Zhang Y, Yao S. Nanosensor Composed of Nitrogen-Doped Carbon Dots and Gold Nanoparticles for Highly Selective Detection of Cysteine with Multiple Signals. Anal Chem 2015; 87:2195-203. [DOI: 10.1021/ac503595y] [Citation(s) in RCA: 193] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jianhui Deng
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Qiujun Lu
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yuxin Hou
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Meiling Liu
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Haitao Li
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Youyu Zhang
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Shouzhuo Yao
- Key Laboratory of Chemical Biology and
Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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36
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Zhang W, Tang Y, Liu J, Jiang L, Huang W, Huo FW, Tian D. Colorimetric assay for heterogeneous-catalyzed lipase activity: enzyme-regulated gold nanoparticle aggregation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:39-42. [PMID: 25516269 DOI: 10.1021/jf505339q] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Lipase is a neglected enzyme in the field of gold nanoparticle-based enzyme assays. This paper reports a novel colorimetric probe to rapidly visualize lipase activities by using Tween 20 functioned GNPs (Tween 20-GNPs) as a reporter. The present strategy hence could overcome the limitations caused by the heterogeneous interface in lipase assay. Catalytic hydrolytic cleavage of the ester bond in Tween 20-GNPs by lipase will trigger the rapid aggregation of GNPs at a high salt solution. The color change from red to purple could be used to sense the activity of lipase. The detection limit (3σ) is as low as 2.8 × 10-2 mg/mL. A preliminary enzyme activity screening was carried out for seven commercially purchased lipase samples. It also has been successfully applied to detecting lipase in fermentation broth of Bacillus subtilis without any pretreatment.
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37
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Niu H, Wang S, Tan Y, Cai Y. Investigation of the interaction modes between nonpolar organic pollutants with ionizable functional groups and natural organic matter via AuNP-based colorimetric assays. Chem Commun (Camb) 2015; 51:17140-3. [DOI: 10.1039/c5cc06415e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Natural organic matter (NOM) modified AuNP sensors can “observe” the specific interactions between organic compounds and NOM using colorimetric assays.
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Affiliation(s)
- Hongyun Niu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology
- Research Center for Eco-Environmental Sciences
- Chinese Academy of Sciences
- Beijing 100085
- China
| | - Saihua Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology
- Research Center for Eco-Environmental Sciences
- Chinese Academy of Sciences
- Beijing 100085
- China
| | - Yixin Tan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology
- Research Center for Eco-Environmental Sciences
- Chinese Academy of Sciences
- Beijing 100085
- China
| | - Yaqi Cai
- State Key Laboratory of Environmental Chemistry and Ecotoxicology
- Research Center for Eco-Environmental Sciences
- Chinese Academy of Sciences
- Beijing 100085
- China
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38
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Xia XD, Huang HW. Using unmodified Au nanoparticles as colorimetric probes for TNT based on their competitive reactions with melamine. CHINESE CHEM LETT 2014. [DOI: 10.1016/j.cclet.2014.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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39
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Tao J, Li Y, Zhao P, Li J, Duan Y, Zhao W, Yang R. Development of spiropyran-based electrochemical sensor via simultaneous photochemical and target-activatable electron transfer. Biosens Bioelectron 2014; 62:151-7. [PMID: 24997369 DOI: 10.1016/j.bios.2014.05.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/22/2014] [Accepted: 05/24/2014] [Indexed: 11/16/2022]
Abstract
In traditional electrochemical sensors, the electrochemical signal transduction of the redox-active material is usually controlled by the analytical target. Due to non-specific interaction between the redox mediator and the target, false signal by single stimulus may not be avoided. To address this issue, we have developed a new electrochemical sensor that uses a functional spiropyran, an important class of photo and thermochromic compounds, as both recognition receptor and latent redox mediator, to realize simultaneous photochemical and target-modulated electron transfer. As a proof of principle, β-galactosidase was chosen as a model target. The new synthesized spiropyran probe, SP-β-gal, undergoes reversibly structural isomerization to form merocyanine under UV light irradiation. After the glycosidic bond being cleaved by β-galactosidase, the opened merocyanine of SP-β-gal forms redox-active 2-(2.5-dihydroxystyryl)-1.3.3-trimethyl-3H-indolium, and thus produces a pair of reversible redox current peaks under the electrochemical scanning. To amplify the detection signal, SP-β-gal was self-assembled with single-walled carbon nanotubes (SWCNTs) on the surface of glass carbon electrode. Kinetics experiments confirm that the probe is an ideal candidate for the determination of different concentrations of β-galactosidase digestion kinetics. Further, the SP-β-gal/SWCNTs-modified electrode is chemically stable in complex biological fluids. It was successfully applied to monitor β-galactosidase activity in the 10% calf thymus. This work represents not only a significant step forward in the further development of low-dimensional carbon nanomaterials/small organic molecular probes-based electrochemical biosensors, but also a new platform which may be extended to the assay of other enzyme such as β-D-glycosidase and so on by translating the biorecognition into electrochemical signal responses.
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Affiliation(s)
- Jia Tao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Yinhui Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Peng Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Jishan Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Yu Duan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Wenjie Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China
| | - Ronghua Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, and Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, China.
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40
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Kim CJ, Lee DI, Kim C, Lee K, Lee CH, Ahn IS. Gold Nanoparticles-Based Colorimetric Assay for Cathepsin B Activity and the Efficiency of Its Inhibitors. Anal Chem 2014; 86:3825-33. [DOI: 10.1021/ac4039064] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chan-Jin Kim
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Dong-Ik Lee
- Dityrosine Innovation Chemical (D. I. Chemical), Seoul 120-749, South Korea
| | - Cheonghee Kim
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Kangtaek Lee
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Chang-Ha Lee
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Ik-Sung Ahn
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
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41
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Ishimoto T, Jigawa K, Henares TG, Sueyoshi K, Endo T, Hisamoto H. Efficient immobilization of the enzyme and substrate for a single-step caspase-3 inhibitor assay using a combinable PDMS capillary sensor array. RSC Adv 2014. [DOI: 10.1039/c3ra46976j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Caspase-3 inhibitor assay was successfully integrated into “single-step” by solving the problem of low-activity enzyme immobilization by using a combinable poly(dimethylsiloxane) capillary (CPC) sensor.
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Affiliation(s)
- Tadashi Ishimoto
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
| | - Kaede Jigawa
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
| | - Terence G. Henares
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
| | - Kenji Sueyoshi
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
| | - Tatsuro Endo
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
| | - Hideaki Hisamoto
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai City, Japan
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42
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Deng J, Jiang Q, Wang Y, Yang L, Yu P, Mao L. Real-Time Colorimetric Assay of Inorganic Pyrophosphatase Activity Based on Reversibly Competitive Coordination of Cu2+ between Cysteine and Pyrophosphate Ion. Anal Chem 2013; 85:9409-15. [DOI: 10.1021/ac402524e] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jingjing Deng
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Qin Jiang
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Yuexiang Wang
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Lifen Yang
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Ping Yu
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Lanqun Mao
- Beijing
National Laboratory
for Molecular Sciences, Key Laboratory of Analytical Chemistry for
Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
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43
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Guo L, Xu Y, Ferhan AR, Chen G, Kim DH. Oriented Gold Nanoparticle Aggregation for Colorimetric Sensors with Surprisingly High Analytical Figures of Merit. J Am Chem Soc 2013; 135:12338-45. [DOI: 10.1021/ja405371g] [Citation(s) in RCA: 272] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Longhua Guo
- Ministry of Education Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of
Chemistry, Fuzhou University, Fuzhou, 350108,
China
| | - Yang Xu
- Ministry of Education Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of
Chemistry, Fuzhou University, Fuzhou, 350108,
China
| | - Abdul Rahim Ferhan
- School of Chemical
and Biomedical
Engineering, Nanyang Technological University, 637457, Singapore
| | - Guonan Chen
- Ministry of Education Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of
Chemistry, Fuzhou University, Fuzhou, 350108,
China
| | - Dong-Hwan Kim
- School of Chemical
and Biomedical
Engineering, Nanyang Technological University, 637457, Singapore
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44
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Deng J, Yu P, Yang L, Mao L. Competitive Coordination of Cu2+ between Cysteine and Pyrophosphate Ion: Toward Sensitive and Selective Sensing of Pyrophosphate Ion in Synovial Fluid of Arthritis Patients. Anal Chem 2013; 85:2516-22. [DOI: 10.1021/ac303698p] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jingjing Deng
- Beijing National Laboratory for Molecular
Sciences,
Key Laboratory of Analytical Chemistry for Living Biosystems, Institute
of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Ping Yu
- Beijing National Laboratory for Molecular
Sciences,
Key Laboratory of Analytical Chemistry for Living Biosystems, Institute
of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Lifen Yang
- Beijing National Laboratory for Molecular
Sciences,
Key Laboratory of Analytical Chemistry for Living Biosystems, Institute
of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
| | - Lanqun Mao
- Beijing National Laboratory for Molecular
Sciences,
Key Laboratory of Analytical Chemistry for Living Biosystems, Institute
of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
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