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Pathak A, Verma N, Tripathi S, Mishra A, Poluri KM. Nanosensor based approaches for quantitative detection of heparin. Talanta 2024; 273:125873. [PMID: 38460425 DOI: 10.1016/j.talanta.2024.125873] [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: 12/25/2023] [Revised: 02/23/2024] [Accepted: 03/03/2024] [Indexed: 03/11/2024]
Abstract
Heparin, being a widely employed anticoagulant in numerus clinical complications, requires strict quantification and qualitative screening to ensure the safety of patients from potential threat of thrombocytopenia. However, the intricacy of heparin's chemical structures and low abundance hinders the precise monitoring of its level and quality in clinical settings. Conventional laboratory assays have limitations in sensitivity and specificity, necessitating the development of innovative approaches. In this context, nanosensors emerged as a promising solution due to enhanced sensitivity, selectivity, and ability to detect heparin even at low concentrations. This review delves into a range of sensing approaches including colorimetric, fluorometric, surface-enhanced Raman spectroscopy, and electrochemical techniques using different types of nanomaterials, thus providing insights of its principles, capabilities, and limitations. Moreover, integration of smart-phone with nanosensors for point of care diagnostics has also been explored. Additionally, recent advances in nanopore technologies, artificial intelligence (AI) and machine learning (ML) have been discussed offering specificity against contaminants present in heparin to ensure its quality. By consolidating current knowledge and highlighting the potential of nanosensors, this review aims to contribute to the advancement of efficient, reliable, and economical heparin detection methods providing improved patient care.
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Affiliation(s)
- Aakanksha Pathak
- Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Nishchay Verma
- Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Shweta Tripathi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342011, Rajasthan, India
| | - Krishna Mohan Poluri
- Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India; Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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2
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Liu D, Guo X, Wu H, Chen X. Aggregation-induced emission enhancement of gold nanoclusters triggered by sodium heparin and its application in the detection of sodium heparin and alkaline amino acids. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123255. [PMID: 37634330 DOI: 10.1016/j.saa.2023.123255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 07/12/2023] [Accepted: 08/10/2023] [Indexed: 08/29/2023]
Abstract
This work first reported that sodium heparin could cause the aggregation-induced emission enhancement (AIEE) effect of GSH-AuNCs (Glutathione functionalized gold nanoclusters). While it was interestingly found that the addition of alkaline amino acids would greatly weaken this effect. Thus, fluorescent system was designed for the quantitative detection of sodium heparin and alkaline amino acids. Negatively charged sodium heparin would connect with GSH-AuNCs through electrostatic attraction, leading to a significant AIEE effect. Then alkaline amino acids would competitively bind with sodium heparin, causing this effect to almost disappear. The reasons were as follows: (I) The hydrogen bonding between sodium heparin and alkaline amino acids was much stronger than electrostatic force, causing GSH-AuNCs to be competitively replaced. (II) Alkaline amino acids and GSH-AuNCs were both positively charged and repelled each other. The presence of alkaline amino acids would hinder the AIEE effect. (III) AIEE effect was confirmed to have a close relationship with the pH value which could be greatly affected by alkaline amino acids. (Ⅳ) Not only the hydrogen bonding, the electrostatic force also existed between the alkaline amino acids and sodium heparin. All the above reasons worked together to weaken the AIEE effect of GSH-AuNCs triggered by sodium heparin. Finally, both sodium heparin and alkaline amino acids were accurately detected, showing good correlation coefficients of 0.99 with the LODs of 0.0100 mg/mL (sodium heparin), 1.05 μM (histidine), 3.38 μM (arginine) and 6.16 μM (lysine), respectively.
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Affiliation(s)
- Dan Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China
| | - Xinran Guo
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China
| | - Huifang Wu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China
| | - Xinyue Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China.
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3
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Uematsu K, Ueno T, Katano H. Determination of protamine and heparin based on their effects on a glucose oxidase enzymatic reaction. ANAL SCI 2023; 39:1561-1566. [PMID: 37243969 DOI: 10.1007/s44211-023-00373-x] [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: 03/27/2023] [Accepted: 05/17/2023] [Indexed: 05/29/2023]
Abstract
This paper describes a sensitive method for determining protamine and heparin by utilizing a glucose oxidase enzymatic reaction. Polycationic protamine significantly promoted the enzymatic reaction rate with [Fe(CN)6]3-, so that the increase could be used to determine protamine. The promotion effect was stoichiometrically decreased by the addition of polyanionic heparin through the polyion complex formation with protamine, so that the enzymatic reaction also allowed for the determination of heparin. We thus applied the proposed method to blood plasma containing heparin and found that heparin did not stoichiometrically form a polyion complex with protamine, likely due to strong interactions between heparin and some components of the plasma. The proposed method allowed for the detection of free protamine (and/or weakly binding protamine with heparin) existing in the condition that protamine did not neutralize all of the heparin in the plasma. The method also permitted for the estimation of heparin concentrations using calibration curves. Thus, the proposed method would help reduce the risks of protamine overdose in heparin neutralization and would be a helpful tool in clinical practices that use heparin and protamine.
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Affiliation(s)
- Kohei Uematsu
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan.
| | - Takaaki Ueno
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan
| | - Hajime Katano
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan
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Sonia, Komal, Kukreti S, Kaushik M. Gold nanoclusters: An ultrasmall platform for multifaceted applications. Talanta 2021; 234:122623. [PMID: 34364432 DOI: 10.1016/j.talanta.2021.122623] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 06/12/2021] [Accepted: 06/14/2021] [Indexed: 01/22/2023]
Abstract
Gold nanoclusters (Au NCs) with a core size below 2 nm form an exciting class of functional nano-materials with characteristic physical and chemical properties. The properties of Au NCs are more prominent and extremely different from their bulk counterparts. The synthesis of Au NCs is generally assisted by template or ligand, which impart excellent cluster stability and high quantum yield. The tunable and sensitive physicochemical properties of Au NCs open horizons for their advanced applications in various interdisciplinary fields. In this review, we briefly summarize the solution phase synthesis and origin of the characteristic properties of Au NCs. A vast review of recent research work introducing biosensors based on Au NCs has been presented along with their specifications and detection limits. This review also highlights recent progress in the use of Au NCs as bio-imaging probe, enzyme mimic, temperature sensing probe and catalysts. A speculation on present challenges and certain future prospects have also been provided to enlighten the path for advancement of multifaceted applications of Au NCs.
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Affiliation(s)
- Sonia
- Nano-bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi, India; Nucleic Acids Research Laboratory, Department of Chemistry, University of Delhi, Delhi, India
| | - Komal
- Nano-bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi, India; Nucleic Acids Research Laboratory, Department of Chemistry, University of Delhi, Delhi, India
| | - Shrikant Kukreti
- Nucleic Acids Research Laboratory, Department of Chemistry, University of Delhi, Delhi, India
| | - Mahima Kaushik
- Nano-bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi, India.
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6
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Nie Y, Tao X, Zhang H, Chai YQ, Yuan R. Self-Assembly of Gold Nanoclusters into a Metal–Organic Framework with Efficient Electrochemiluminescence and Their Application for Sensitive Detection of Rutin. Anal Chem 2021; 93:3445-3451. [DOI: 10.1021/acs.analchem.0c04682] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yamin Nie
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Xiuli Tao
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Haowen Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Ya-qin Chai
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
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7
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Tao Y, Yi K, Hu H, Shao D, Li M. Coassembly of nucleus-targeting gold nanoclusters with CRISPR/Cas9 for simultaneous bioimaging and therapeutic genome editing. J Mater Chem B 2020; 9:94-100. [PMID: 33220661 DOI: 10.1039/d0tb01925a] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The clustered regularly interspaced short palindromic repeats (CRISPR)/associated protein 9 (CRISPR/Cas9) technology enables genome editing with high precision and versatility and has been widely utilized to combat viruses, bacteria, cancers, and genetic diseases. Nonviral nanocarriers can overcome several limitations of viral vehicles, including immunogenicity, inflammation, carcinogenicity, and low versatility, and thus represent promising platforms for CRISPR/Cas9 delivery. Herein, we for the first time develop the application of protamine-capped gold nanoclusters (protamine-AuNCs) as an effective nanocarrier for Cas9-sgRNA plasmid transport and release to achieve efficient genome editing. The protamine-AuNCs integrate the merits of AuNCs and protamine: AuNCs are able to promptly assemble with Cas9-sgRNA plasmids to allow efficient cellular delivery, while the cationic protamine facilitates the effective release of Cas9-sgRNA plasmids into the cellular nucleus. The AuNCs/Cas9-gRNA plasmid nanocomplexes can not only achieve successful gene editing in cells but also knock out the oncogenic gene for cancer therapy. Moreover, the AuNCs with excellent photoluminescence characteristics endow our nanoplatform with the functionality of bioimaging. Overall, our study provides strong evidence that demonstrates protamine-AuNCs as an effective CRISPR/Cas9 delivery tool for gene therapy.
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Affiliation(s)
- Yu Tao
- Laboratory of Biomaterials and Translational Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
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8
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Xue JH, Xiao KP, Wang YS, Liu L, Li JQ, Li M, Qu YN, Xiao XL. Aggregation-induced photoluminescence enhancement of protamine-templated gold nanoclusters for 1-hydroxypyrene detection using 9-hydroxyphenanthrene as a sensitizer. Colloids Surf B Biointerfaces 2020; 189:110873. [DOI: 10.1016/j.colsurfb.2020.110873] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 02/11/2020] [Accepted: 02/12/2020] [Indexed: 12/19/2022]
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9
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Krizek T, Molnarova K, Pavlu V, Filounova B, Martinkova E. Interaction of heparin and tetraarginine in capillary electrophoresis: Implication for analytical applications. Electrophoresis 2020; 41:1826-1831. [DOI: 10.1002/elps.202000011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/20/2020] [Accepted: 03/23/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Tomas Krizek
- Department of Analytical Chemistry Faculty of Science Charles University Prague Czech Republic
| | - Katarina Molnarova
- Department of Analytical Chemistry Faculty of Science Charles University Prague Czech Republic
| | - Vera Pavlu
- Department of Analytical Chemistry Faculty of Science Charles University Prague Czech Republic
| | - Barbora Filounova
- Department of Analytical Chemistry Faculty of Science Charles University Prague Czech Republic
| | - Eva Martinkova
- Department of Analytical Chemistry Faculty of Science Charles University Prague Czech Republic
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Tan Q, Zhang R, Zhang G, Liu X, Qu F, Lu L. Embedding carbon dots and gold nanoclusters in metal-organic frameworks for ratiometric fluorescence detection of Cu 2. Anal Bioanal Chem 2020; 412:1317-1324. [PMID: 31927600 DOI: 10.1007/s00216-019-02353-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/07/2019] [Accepted: 12/11/2019] [Indexed: 12/31/2022]
Abstract
Herein, a dual-emission metal-organic framework based ratiometric fluorescence nanoprobe was reported for detecting copper(II) ions. In particular, carbon dots (CDs) and gold nanoclusters (AuNCs) were embedded into ZIF-8 (one of the classical metal-organic frameworks) to form CDs/AuNCs@ZIF-8 nanocomposites, which exhibited dual-emission peaks at UV excitation. In the presence of Cu2+, the fluorescence attributed to AuNCs can be rapidly quenched, while the fluorescence of CDs serves as reference with undetectable changes. Therefore, the CDs/AuNCs@ZIF-8 nanocomposites were utilized as a ratiometric fluorescence nanoprobe for sensitive and selective detection of Cu2+. A good linear relationship between the ratiometric fluorescence signal of CDs/AuNCs@ZIF-8 and Cu2+ concentration was obtained in the range of 10-3-103 μM, and the detection limit was as low as 0.3324 nM. The current ratiometric fluorescence nanoprobe showed promising prospects in cost-effective and rapid determination of Cu2+ ions with good sensitivity and selectivity. Furthermore, this nanoprobe has been successfully applied for the quantitative detection of Cu2+ in serum samples, indicating its value of practical application. Graphical abstract Carbon dots (CDs) and gold nanoclusters (AuNCs) were embedded into metal-organic frameworks (ZIF-8) to form CDs/AuNCs@ZIF-8 nanocomposites, which exhibited dual-emission peaks at 365 nm excitation. In the presence of Cu2+, the fluorescence emission peak at 574 nm can rapidly respond by quenching, while the fluorescence at 462 nm serves as reference with undetectable changes.
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Affiliation(s)
- Qingqing Tan
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Ruirui Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, 250014, Shandong, China
| | - Guoyan Zhang
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Xiaoya Liu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Fengli Qu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China.
| | - Limin Lu
- Institute of Functional Materials and Agricultural Applied Chemistry, College of Science, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China.
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11
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Zhang B, Wei C. An aptasensor for the label-free detection of thrombin based on turn-on fluorescent DNA-templated Cu/Ag nanoclusters. RSC Adv 2020; 10:35374-35380. [PMID: 35515676 PMCID: PMC9056932 DOI: 10.1039/d0ra04609d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 09/09/2020] [Indexed: 11/21/2022] Open
Abstract
A highly sensitive thrombin aptasensor was constructed based on the alteration of the aptamer conformation induced by the target recognition and the turn-on fluorescence due to the proximity of two darkish DNA-templated copper/silver nanoclusters (DNA-Cu/Ag NCs). Two DNA templates were designed as the functional structures consisting of the Cu/Ag NC-nucleation segment located at two termini or one terminus and the aptamer segment in the middle of a DNA template. Two darkish DNA-Cu/Ag NCs came close to each other when the aptamer combined with the target due to the conformational alteration of the aptamer structure, resulting in an increased fluorescence signal readout. Thrombin was sensitively determined as low as 1.6 nM in the range of 1.6–8.0 nM with a high selectivity. Finally, this sensor succeeded in detecting thrombin in a real fetal bovine serum. A highly sensitive thrombin aptasensor was constructed based on the alteration of the aptamer conformation induced by the target recognition and the turn-on fluorescence due to the proximity of two darkish DNA-templated copper/silver nanoclusters (DNA-Cu/Ag NCs).![]()
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Affiliation(s)
- Baozhu Zhang
- College of Chemistry and Chemical Engineering
- Jinzhong University
- P. R. China
| | - Chunying Wei
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education
- Institute of Molecular Science
- Shanxi University
- Taiyuan 030006
- P. R. China
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12
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Ourri B, Vial L. Lost in (Clinical) Translation: Recent Advances in Heparin Neutralization and Monitoring. ACS Chem Biol 2019; 14:2512-2526. [PMID: 31682398 DOI: 10.1021/acschembio.9b00772] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The heparin family, which includes unfractionated heparin, low-molecular heparin, and fondaparinux, is a class of drugs clinically used as intravenous blood thinners. To date, issues related to both the reversal of anticoagulation and the blood level determination of the anticoagulant at the point-of-care remain: while the only U.S. Food and Drug Administration (FDA) approved antidote for heparin displays serious efficacy and safety drawbacks, the current assays for heparin monitoring are indirect measurements subject to their own limitations and variations. Herein, we provide an update on the numerous recent chemical approaches to tackle these issues, from which it is clear that some new antidotes and sensors for heparin certainly have the potential to exceed current clinical standards. This review aims to review a field that requires close collaborations between physicians, biologists, and chemists in order to foster advances toward clinical translation.
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Affiliation(s)
- Benjamin Ourri
- Univ. Lyon, Univ. Claude Bernard Lyon 1, ICBMS UMR CNRS 5246, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
| | - Laurent Vial
- Univ. Lyon, Univ. Claude Bernard Lyon 1, ICBMS UMR CNRS 5246, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
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13
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Assay of 1-hydroxypyrene via aggregation-induced quenching of the fluorescence of protamine-modified gold nanoclusters and 9-hydroxyphenanthrene-based sensitization. Mikrochim Acta 2019; 186:700. [PMID: 31617023 DOI: 10.1007/s00604-019-3810-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 09/09/2019] [Indexed: 12/27/2022]
Abstract
This work describes a method for the determination of 1-hydroxypyrene (OH-Py) via aggregation-induced quenching of the emission of protamine-coated gold nanoclusters using 9-hydroxyphenanthrene (OH-Phe) as a sensitizer to boost the emission efficiency of nanoprobe. Under optimum conditions, the drop in fluorescence intensity at excitation/emission wavelengths of 300/596 nm is proportional to the concentrations of OH-Py in the range from 1.0 to 65 nM. The relative standard deviations are 4.2, 2.4 and 1.9% (for n = 11) at concentration levels of 8.0, 32 and 48 nM of OH-Py, respectively. The detection limit is 0.3 nM which is much lower than that of some previously reported methods. The recoveries from urine samples spiked with OH-Py ranged between 94.4 and 98.8%. Graphical abstract 1-Hydroxypyrene (OH-Py) can trigger the aggregation of protamine-gold nanoclusters (PRT-AuNCs), resulting in the emission quenching of PRT-AuNCs. 9-Hydroxyphenanthrene (OH-Phe) can boost the emission efficiency of nanoprobe. Thereby, a highly sensitive assay of OH-Py was established.
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Aparna RS, Anjali Devi JS, Anjana RR, Nebu J, George S. Reversible fluorescence modulation of BSA stabilised copper nanoclusters for the selective detection of protamine and heparin. Analyst 2019; 144:1799-1808. [DOI: 10.1039/c8an01703d] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Depicting fluorescence sensing of protamine and heparin based on aggregation and disaggregation of copper nanoclusters.
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Affiliation(s)
- R. S. Aparna
- Department of Chemistry
- School of Physical and Mathematical Sciences
- University of Kerala
- Kariavattom Campus
- Thiruvananthapuram-695581
| | - J. S. Anjali Devi
- Department of Chemistry
- School of Physical and Mathematical Sciences
- University of Kerala
- Kariavattom Campus
- Thiruvananthapuram-695581
| | - R. R. Anjana
- Department of Chemistry
- School of Physical and Mathematical Sciences
- University of Kerala
- Kariavattom Campus
- Thiruvananthapuram-695581
| | - John Nebu
- Department of Chemistry
- School of Physical and Mathematical Sciences
- University of Kerala
- Kariavattom Campus
- Thiruvananthapuram-695581
| | - Sony George
- Department of Chemistry
- School of Physical and Mathematical Sciences
- University of Kerala
- Kariavattom Campus
- Thiruvananthapuram-695581
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Li X, Yang H, Wang N, Sun T, Bian W, Choi MM. Nitrogen and Sulfur Co-doped Fluorescent Carbon Dots for the Detection of Morin and Cell Imaging. CURR ANAL CHEM 2018. [DOI: 10.2174/1573411014666180904104629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Morin has many pharmacological functions including antioxidant, anticancer,
anti-inflammatory, and antibacterial effects. It is commonly used in the treatment of antiviral infection,
gastropathy, coronary heart disease and hepatitis B in clinic. However, researches have shown
that morin is likely to show prooxidative effects on the cells when the amount of treatment is at high
dose, leading to the decrease of intracellular ATP levels and the increase of necrosis process. Therefore,
it is necessary to determine the concentration of morin in biologic samples.
Method:
Novel water-soluble and green nitrogen and sulfur co-doped carbon dots (NSCDs) were prepared
by a microwave heating process with citric acid and L-cysteine. The fluorescence spectra were
collected at an excitation wavelength of 350 nm when solutions of NSCDs were mixed with various
concentrations of morin.
Results:
The as-prepared NSCDs were characterized by transmission electron microscopy, X-ray diffraction
and X-ray photoelectron spectroscopy. The fluorescence intensity of NSCDs decreased significantly
with the increase of morin concentration. The fluorescence intensity of NSCDs displayed a linear
response to morin in the concentration 0.10-30 μM with a low detection limit of 56 nM. The proposed
fluorescent probe was applied to analysis of morin in human body fluids with recoveries of
98.0-102%.
Conclusion:
NSCDs were prepared by a microwave heating process. The present analytical method is
sensitive to morin. The quenching process between NSCDs and morin is attributed to the static
quenching. In addition, the cellular toxicity on HeLa cells indicated that the as-prepared NSCDs fluorescent
probe does not show obvious cytotoxicity in cell imaging. Our proposed method possibly
opens up a rapid and nontoxic way for preparing heteroatom doped carbon dots with a broad application
prospect.
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Affiliation(s)
- Xuebing Li
- Shanxi Medical University, 030001 Taiyuan, China
| | - Haifen Yang
- Shanxi Medical University, 030001 Taiyuan, China
| | - Ning Wang
- Shanxi Medical University, 030001 Taiyuan, China
| | - Tijian Sun
- Shanxi Medical University, 030001 Taiyuan, China
| | - Wei Bian
- Shanxi Medical University, 030001 Taiyuan, China
| | - Martin M.F. Choi
- Bristol Chinese Christian Church, c/o Tyndale Baptist Church, 137-139 Whiteladies Road, Bristol, BS8 2QG, United Kingdom
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Liu Q, Na W, Wang L, Su X. Gold nanocluster-based fluorescent assay for label-free detection of protein kinase and its inhibitors. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2349-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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17
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Gong W, Wang S, Wei Y, Ding L, Fang Y. A pyrene-based fluorescent sensor for ratiometric detection of heparin and its complex with heparin for reversed ratiometric detection of protamine in aqueous solution. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 170:198-205. [PMID: 27450118 DOI: 10.1016/j.saa.2016.07.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 06/06/2023]
Abstract
An imidazolium-modified pyrene derivative, IPy, was used for ratiometric detection of heparin, and its complex with heparin was used for reversed ratiometric detection of protamine in both aqueous solution and serum samples. The cationic fluorescent probe could interact with anionic heparin via electrostatic interaction to bring about blue-to-green fluorescence changes as monomer emission significantly decreases and excimer increases. The binary combination of IPy and heparin could be further used for green-to-blue detection of protamine since heparin prefers to bind to protamine instead of the probe due to its stronger affinity with protamine. The cationic probe shows high sensitivity to heparin with a low detection limit of 8.5nM (153ng/mL) and its combination with heparin displays high sensitivity to protamine with a detection limit as low as 15.4nM (107.8ng/mL) according to the 3σ IUPAC criteria. Moreover, both sensing processes are fast and can be performed in serum solutions, indicating possibility for practical applications.
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Affiliation(s)
- Weiwei Gong
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China
| | - Shihuai Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China
| | - Yuting Wei
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China.
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China
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Qiao Y, Yao Z, Ge W, Zhang L, Wu HC. Rapid and visual detection of heparin based on the disassembly of polyelectrolyte-induced pyrene excimers. Org Biomol Chem 2017; 15:2569-2574. [DOI: 10.1039/c7ob00115k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A sensor based on polyelectrolyte-induced pyrene excimers has been developed for the visual detection of heparin with high sensitivity and selectivity.
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Affiliation(s)
- Yadong Qiao
- School of Materials Science and Engineering Zhengzhou University
- Zhengzhou 450052
- China
| | - Zhiyi Yao
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety
- Institute of High Energy Physics
- Chinese Academy of Sciences
- Beijing 100049
- China
| | - Wenqi Ge
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety
- Institute of High Energy Physics
- Chinese Academy of Sciences
- Beijing 100049
- China
| | - Li Zhang
- School of Materials Science and Engineering Zhengzhou University
- Zhengzhou 450052
- China
| | - Hai-Chen Wu
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety
- Institute of High Energy Physics
- Chinese Academy of Sciences
- Beijing 100049
- China
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19
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Lan J, Zou HY, Wang Q, Zeng P, Li YF, Huang CZ. Sensitive and selective turn off-on fluorescence detection of heparin based on the energy transfer platform using the BSA-stabilized Au nanoclusters/amino-functionalized graphene oxide hybrids. Talanta 2016; 161:482-488. [DOI: 10.1016/j.talanta.2016.08.081] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/22/2016] [Accepted: 08/30/2016] [Indexed: 12/27/2022]
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20
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You JG, Liu YW, Lu CY, Tseng WL, Yu CJ. Colorimetric assay of heparin in plasma based on the inhibition of oxidase-like activity of citrate-capped platinum nanoparticles. Biosens Bioelectron 2016; 92:442-448. [PMID: 27836604 DOI: 10.1016/j.bios.2016.10.082] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/08/2016] [Accepted: 10/26/2016] [Indexed: 01/08/2023]
Abstract
We report citrate-capped platinum nanoparticles (Pt NPs) as oxidase mimetics for effectively catalyzing the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB), 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid), dopamine, and methylene blue in the presence of O2. To confirm oxidase-like activity of citrate-capped Pt NPs, their activity toward oxygen reduction reaction was studied using cyclic voltammetry and rotating ring-disk electrode method. The results obtained showed that Pt NP NPs can catalyze the oxidation of organic substrates to the colored product and the reduction of oxygen to water through a four-electron exchange process. Because the aggregation of Pt NPs can inhibit their oxidase-like activity and protamine can recognize heparin, we prepared the protamine-modified Pt NPs through direct adsorption on the surface of citrate-capped Pt NPs. The electrostatic attraction between heparin and protamine-stabilized Pt NPs induced nanoparticle aggregation, inhibiting their catalytic activity. Therefore, the lowest detectable heparin concentrations through UV-vis absorption and by the naked eye were estimated to be 0.3 and 60nM, respectively. Moreover, the proposed system enabled the determination of the therapeutic heparin concentration in a single drop of blood.
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Affiliation(s)
- Jyun-Guo You
- Department of Chemistry, National Sun Yat-sen University, Taiwan
| | - Yao-Wen Liu
- Department of Applied Physics and Chemistry, University of Taipei, Taiwan
| | - Chi-Yu Lu
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wei-Lung Tseng
- Department of Chemistry, National Sun Yat-sen University, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Taiwan; Center for Nanoscience and Nanotechnology, National Sun Yat-sen University, Taiwan.
| | - Cheng-Ju Yu
- Department of Applied Physics and Chemistry, University of Taipei, Taiwan.
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21
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Modulating luminescence of Tb(3+) with biomolecules for sensing heparin and its contaminant OSCS. Biosens Bioelectron 2016; 86:858-863. [PMID: 27494809 DOI: 10.1016/j.bios.2016.07.085] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 07/23/2016] [Accepted: 07/25/2016] [Indexed: 01/09/2023]
Abstract
The detection of heparin (Hep) and its contaminant oversulfated chondroitin sulfate (OSCS) is of great importance in clinics but remains challenging. Here, we report a sensitive and selective time-resolved luminescence (TRL) biosensing system for Hep by modulating the photoluminescence of Tb(3+) with guanine-rich ssDNA and Hep-specific AG73 peptide (RKRLQVQLSIRT). With the developed system, Hep including both unfractionated Hep (UFH) and the low molecular weight Hep (LMWH) has been successfully detected with a satisfactory detection limit. Owing to the highly specific interaction between Hep and AG73 peptide, major interfering substances in Hep detection, such as Hep analogs of chondrotin sulfate (Chs) and hyaluronic acid (HA), did not interfere with Hep detection. The established TRL sensing system was then successfully used for monitoring Hep metabolism in living rats by microdialysis. Moreover, the proposed TRL sensing system was further applied to analyze OSCS contaminant in Hep with heparinases treatment by exploring the inhibition effects of OSCS on the activity of heparinases. As low as 0.002% of OSCS in Hep was identified.
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22
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Polycation-induced benzoperylene probe excimer formation and the ratiometric detection of heparin and heparinase. Biosens Bioelectron 2016; 75:404-10. [DOI: 10.1016/j.bios.2015.08.068] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/20/2015] [Accepted: 08/29/2015] [Indexed: 01/03/2023]
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Zhang Z, Miao Y, Zhang Q, Lian L, Yan G. Selective room temperature phosphorescence detection of heparin based on manganese-doped zinc sulfide quantum dots/polybrene self-assembled nanosensor. Biosens Bioelectron 2015; 68:556-562. [DOI: 10.1016/j.bios.2015.01.053] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 01/21/2015] [Accepted: 01/22/2015] [Indexed: 01/06/2023]
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