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Wang XY, Liu AR, Liu SQ. Molecularly imprinted polymer-based SERS sensing of transferrin in human serum. Analyst 2024; 149:3363-3371. [PMID: 38712505 DOI: 10.1039/d4an00300d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Specific detection of glycoproteins such as transferrin (TRF) related to neurological diseases, hepatoma and other diseases always plays an important role in the field of disease diagnosis. We designed an antibody-free immunoassay sensing method based on molecularly imprinted polymers (MIPs) formed by the polymerization of multiple functional monomers for the sensitive and selective detection of TRF in human serum. In the sandwich surface-enhanced Raman spectroscopy (SERS) sensor, the TRF-oriented magnetic MIP nanoparticles (Fe3O4@SiO2-MIPs) served as capture units to specifically recognize TRF and 4-mercaptophenylboronic acid-functionalized gold nanorods (MPBA-Au NRs) served as SERS probes to label the targets. In order to achieve stronger interaction between the recognition cavities of the prepared MIPs and the different amino acid fragments that make up TRF, Fe3O4@SiO2-MIPs were obtained through polycondensation reactions between more silylating reagents, enhancing the specific recognition of the entire TRF protein and achieving high IF. This sensing method exhibited a good linear response to TRF within the TRF concentration range of 0.01 ng mL-1 to 1 mg mL-1 (R2 = 0.9974), and the LOD was 0.00407 ng mL-1 (S/N = 3). The good stability, reproducibility and specificity of the resulting MIP based SERS sensor were demonstrated. The determination of TRF in human serum confirmed the feasibility of the method in practical applications.
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Affiliation(s)
- Xin-Yi Wang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device (CMD), Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China.
| | - An-Ran Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device (CMD), Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China.
| | - Song-Qin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device (CMD), Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China.
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Zhao H, Becharef S, Dumas E, Carn F, Patriarche G, Mura S, Gazeau F, Serre C, Steunou N. A gold nanocluster/MIL-100(Fe) bimodal nanovector for the therapy of inflammatory disease through attenuation of Toll-like receptor signaling. NANOSCALE 2024. [PMID: 38809107 DOI: 10.1039/d3nr06685a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
A better understanding of the molecular and cellular events involved in the inflammation process has opened novel perspectives in the treatment of inflammatory diseases, particularly through the development of well-designed nanomedicines. Here we describe the design of a novel class of anti-inflammatory nanomedicine (denoted as Au@MIL) synthesized through a one-pot, cost-effective and green approach by coupling a benchmark mesoporous iron(III) carboxylate metal organic framework (MOF) (i.e. MIL-100(Fe)) and glutathionate protected gold nanoclusters (i.e. Au25SG18 NCs). This nano-carrier exhibits low toxicity and excellent colloidal stability combined with the high loading capacity of the glucocorticoid dexamethasone phosphate (DexP) whose pH-dependent delivery was observed. The drug loaded Au@MIL nanocarrier shows high anti-inflammatory activity due to its capacity to specifically hinder inflammatory cell growth, scavenge intracellular reactive oxygen species (ROS) and downregulate pro-inflammatory cytokine secretion. In addition, this formulation has the capacity to inhibit the Toll-like receptor (TLR) signaling cascade namely the nuclear factor kappa B (NF-κB) and the interferon regulatory factor (IRF) pathways. This not only provides a new avenue for the nanotherapy of inflammatory diseases but also enhances our fundamental knowledge of the role of nanoMOF based nanomedicine in the regulation of innate immune signaling.
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Affiliation(s)
- Heng Zhao
- Institut des Matériaux Poreux de Paris, ENS, ESPCI Paris, CNRS, PSL University, Paris, France.
| | - Sonia Becharef
- Université Paris Cité, MSC UMR CNRS 7057, 75006 Paris, France.
| | - Eddy Dumas
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles St Quentin en Yvelines, Université Paris Saclay, Versailles, France
| | - Florent Carn
- Université Paris Cité, MSC UMR CNRS 7057, 75006 Paris, France.
| | - Gilles Patriarche
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120 Palaiseau, France
| | - Simona Mura
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Florence Gazeau
- Université Paris Cité, MSC UMR CNRS 7057, 75006 Paris, France.
| | - Christian Serre
- Institut des Matériaux Poreux de Paris, ENS, ESPCI Paris, CNRS, PSL University, Paris, France.
| | - Nathalie Steunou
- Institut des Matériaux Poreux de Paris, ENS, ESPCI Paris, CNRS, PSL University, Paris, France.
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles St Quentin en Yvelines, Université Paris Saclay, Versailles, France
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Han Y, Wang M, Xie H, Zhou Y, Wang S, Wang G. Fabrication of Au nanoclusters confined on hydroxy double salt-based intelligent biosensor for on-site monitoring of urease and its inhibitors. Talanta 2024; 271:125725. [PMID: 38295444 DOI: 10.1016/j.talanta.2024.125725] [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: 11/30/2023] [Revised: 01/16/2024] [Accepted: 01/26/2024] [Indexed: 02/02/2024]
Abstract
Sensitive and convenient sensing of urease and its inhibitors is exceptionally urgent in clinical diagnosis and new drug development. In this study, the gold nanoclusters (AuNCs) and hydroxyl double salt (HDS) were composited by a simple confinement effect to prepare highly fluorescent AuNCs@HDS composites to monitor urease and its drug inhibitors. HDS was used as a matrix to confine AuNCs (AuNCs@HDS), facilitating the emission intensity of AuNCs. However, acidic conditions (low pH) can disrupt the structure of HDS to break the confinement effect, and quench the fluorescence of AuNCs. Therefore, a sensing platform for pH-related enzyme urease detection was constructed based on the sensitive response of AuNCs@HDS to pH. This sensing platform had a linear response range of 0.5-22.5 U/L and a low limit of detection (LOD) of 0.19 U/L for urease. Moreover, this sensing platform was also applied to monitor urease inhibitors and urease in human saliva samples. Additionally, a portable hydrogel kit combined with a smartphone was developed for urease detection to achieve portable, low-cost, instrument-free, and on-site monitoring of urease.
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Affiliation(s)
- Yaqing Han
- Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, PR China; College of Medical Engineering & the Key Laboratory for Medical Functional, Nanomaterials, Jining Medical University, Jining, 272067, PR China
| | - Mengke Wang
- College of Medical Engineering & the Key Laboratory for Medical Functional, Nanomaterials, Jining Medical University, Jining, 272067, PR China
| | - Han Xie
- Shenyang Key Laboratory of Medical Molecular Theranostic Probes, School of Pharmacy, Shenyang Medical University, Shenyang, 110034, PR China
| | - Yitong Zhou
- Shenyang Key Laboratory of Medical Molecular Theranostic Probes, School of Pharmacy, Shenyang Medical University, Shenyang, 110034, PR China
| | - Shun Wang
- College of Medical Engineering & the Key Laboratory for Medical Functional, Nanomaterials, Jining Medical University, Jining, 272067, PR China.
| | - Guannan Wang
- College of Medical Engineering & the Key Laboratory for Medical Functional, Nanomaterials, Jining Medical University, Jining, 272067, PR China; Shenyang Key Laboratory of Medical Molecular Theranostic Probes, School of Pharmacy, Shenyang Medical University, Shenyang, 110034, PR China.
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Chang CY, Wu YR, Tseng TH, Su JH, Wang YS, Jen FY, Chen BR, Huang CL, Chen JC. Shape Dependence of Silver-Nanoparticle-Mediated Synthesis of Gold Nanoclusters with Small Molecules as Capping Ligands. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2338. [PMID: 37630923 PMCID: PMC10457754 DOI: 10.3390/nano13162338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023]
Abstract
In this study, differently shaped silver nanoparticles used for the synthesis of gold nanoclusters with small capping ligands were demonstrated. Silver nanoparticles provide a reaction platform that plays dual roles in the formation of Au NCs. One is to reduce gold ions and the other is to attract capping ligands to the surface of nanoparticles. The binding of capping ligands to the AgNP surface creates a restricted space on the surface while gold ions are being reduced by the particles. Four different shapes of AgNPs were prepared and used to examine whether or not this approach is dependent on the morphology of AgNPs. Quasi-spherical AgNPs and silver nanoplates showed excellent results when they were used to synthesize Au NCs. Spherical AgNPs and triangular nanoplates exhibited limited synthesis of Au NCs. TEM images demonstrated that Au NCs were transiently assembled on the surface of silver nanoparticles in the method. The formation of Au NCs was observed on the whole surface of the QS-AgNPs if the synthesis of Au NCs was mediated by QS-AgNPs. In contrast, formation of Au NCs was only observed on the edges and corners of AgNPts if the synthesis of Au NCs was mediated by AgNPts. All of the synthesized Au NCs emitted bright red fluorescence under UV-box irradiation. The synthesized Au NCs displayed similar fluorescent properties, including quantum yields and excitation and emission wavelengths.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jui-Chang Chen
- Department of Applied Chemistry, National Chiayi University, Chiayi City 600355, Taiwan; (C.-Y.C.); (Y.-R.W.); (T.-H.T.); (J.-H.S.); (Y.-S.W.); (F.-Y.J.); (B.-R.C.); (C.-L.H.)
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He JY, Xu HX, Li Q, Zheng QY, Wang CZ, Zhou LD, Luo L, Zhang QH, Yuan CS. Specific capture and determination of glycoprotein using a hybrid epitopes and monomers-mediated molecular-imprinted polymer enzyme-free electrochemical biosensor. Mikrochim Acta 2023; 190:118. [PMID: 36884097 DOI: 10.1007/s00604-023-05651-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 01/05/2023] [Indexed: 03/09/2023]
Abstract
A novel molecular-imprinted polymer (MIP)-based enzyme-free biosensor was created for the selective detection of glycoprotein transferrin (Trf). For this purpose, MIP-based biosensor for Trf was prepared by electrochemical co-polymerization of novel hybrid monomers 3-aminophenylboronic acid (M-APBA) and pyrrole on a glassy carbon electrode (GCE) modified with carboxylated multi-walled carbon nanotubes (cMWCNTs). Hybrid epitopes of Trf (C-terminal fragment and glycan) have been selected as templates. The produced sensor exhibited great selective recognition ability toward Trf under optimal preparation conditions, offering good analytical range (0.125-1.25 μM) with a detection limit of 0.024 μM. The proposed hybrid epitope in combination with hybrid monomer-mediated imprinting strategy was successfully applied to detect Trf in spiked human serum samples, with recoveries and relative standard deviations ranging from 94.7 to 106.0% and 2.64 to 5.32%, respectively. This study provided a reliable protocol for preparing hybrid epitopes and monomers-mediated MIP for the synergistic and effective determination of glycoprotein in complicated biological samples.
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Affiliation(s)
- Jia-Yuan He
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Hui-Xian Xu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Qin Li
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Qin-Yue Zheng
- Chongqing Institute for Food and Drug Control, Chongqing, 401121, China
| | - Chong-Zhi Wang
- Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL, 60637, USA
| | - Lian-Di Zhou
- Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.
| | - Ling Luo
- Chongqing Cancer Institute, Chongqing University Cancer Hospital, Chongqing, 400030, China.
| | - Qi-Hui Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China. .,Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL, 60637, USA.
| | - Chun-Su Yuan
- Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL, 60637, USA
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Zhang Y, Tang C, Zhang M, Huang Z, Cai Z. Gold Nanoclusters as a Fluorescent Probe for the Sensitive Determination of Morin and Sensing of Temperature. ChemistrySelect 2022. [DOI: 10.1002/slct.202203005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Yi Zhang
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang 441053 Hubei Province P. R. China
| | - Chang Tang
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang 441053 Hubei Province P. R. China
| | - Minglu Zhang
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang 441053 Hubei Province P. R. China
| | - Zilong Huang
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang 441053 Hubei Province P. R. China
| | - Zhifeng Cai
- Department of Chemistry Taiyuan Normal University Jinzhong 030619 Shanxi Province P. R. China
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