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Wang J, Zhou H, Liang R, Qin W. Chronopotentiometric Nanopore Sensor Based on a Stimulus-Responsive Molecularly Imprinted Polymer for Label-Free Dual-Biomarker Detection. Anal Chem 2024; 96:9370-9378. [PMID: 38683892 DOI: 10.1021/acs.analchem.3c05817] [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: 05/02/2024]
Abstract
The development of sensors for detection of biomarkers exhibits an exciting potential in diagnosis of diseases. Herein, we propose a novel electrochemical sensing strategy for label-free dual-biomarker detection, which is based on the combination of stimulus-responsive molecularly imprinted polymer (MIP)-modified nanopores and a polymeric membrane chronopotentiometric sensor. The ion fluxes galvanostatically imposed on the sensing membrane surface can be blocked by the recognition reaction between the target biomarker in the sample solution and the stimulus-responsive MIP receptor in the nanopores, thus causing a potential change. By using two external stimuli (i.e., pH and temperature), the recognition abilities of the stimulus-responsive MIP receptor can be effectively modulated so that dual-biomarker label-free chronopotentiometric detection can be achieved. Using alpha fetoprotein (AFP) and prostate-specific antigen (PSA) as model biomarkers, the proposed sensor offers detection limits of 0.17 and 0.42 ng/mL for AFP and PSA, respectively.
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Affiliation(s)
- Junhao Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huihui Zhou
- The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong 264099, China
| | - Rongning Liang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, China
| | - Wei Qin
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS); Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao, Shandong 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, Shandong 266071, China
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2
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Wang H, Tang H, Qiu X, Li Y. Solid-State Glass Nanopipettes: Functionalization and Applications. Chemistry 2024; 30:e202400281. [PMID: 38507278 DOI: 10.1002/chem.202400281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/28/2024] [Accepted: 03/19/2024] [Indexed: 03/22/2024]
Abstract
Solid-state glass nanopipettes provide a promising confined space that offers several advantages such as controllable size, simple preparation, low cost, good mechanical stability, and good thermal stability. These advantages make them an ideal choice for various applications such as biosensors, DNA sequencing, and drug delivery. In this review, we first delve into the functionalized nanopipettes for sensing various analytes and the methods used to develop detection means with them. Next, we provide an in-depth overview of the advanced functionalization methodologies of nanopipettes based on diversified chemical kinetics. After that, we present the latest state-of-the-art achievements and potential applications in detecting a wide range of targets, including ions, molecules, biological macromolecules, and single cells. We examine the various challenges that arise when working with these targets, as well as the innovative solutions developed to overcome them. The final section offers an in-depth overview of the current development status, newest trends, and application prospects of sensors. Overall, this review provides a comprehensive and detailed analysis of the current state-of-the-art functionalized nanopipette perception sensing and development of detection means and offers valuable insights into the prospects for this exciting field.
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Affiliation(s)
- Hao Wang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, Anhui, P.R. China
| | - Haoran Tang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, Anhui, P.R. China
| | - Xia Qiu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P.R. China
| | - Yongxin Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P.R. China
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Ahmed SA, Liu Y, Xiong T, Zhao Y, Xie B, Pan C, Ma W, Yu P. Iontronic Sensing Based on Confined Ion Transport. Anal Chem 2024; 96:8056-8077. [PMID: 38663001 DOI: 10.1021/acs.analchem.4c01354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Affiliation(s)
- Saud Asif Ahmed
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ying Liu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100190, China
| | - Tianyi Xiong
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100190, China
| | - Yueru Zhao
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100190, China
| | - Boyang Xie
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100190, China
| | - Cong Pan
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Wenjie Ma
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ping Yu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100190, China
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4
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Gorai P, Marques C, Shrivastav AM, Jha R. Precise detection of trace level protein using MIP-MoS 2 nanocomposite functionalized PCF based interferometer. OPTICS EXPRESS 2024; 32:10033-10045. [PMID: 38571224 DOI: 10.1364/oe.517437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 02/06/2024] [Indexed: 04/05/2024]
Abstract
Fiber optic interferometry combined with recognizing elements has attracted intensive attention for the development of different biosensors due to its superior characteristic features. However, the immobilization of sensing elements alone is not capable of low-concentration detection due to weak interaction with the evanescent field of the sensing transducer. The utilization of different 2D materials with high absorption potential and specific surface area can enhance the intensity of the evanescent field and hence the sensitivity of the sensor. Here, a biosensor has been fabricated using an inline hetero fiber structure of photonic crystal fiber (PCF) and single-mode fiber (SMF) functionalized with a nanocomposite of molybodenum di-sulfide (MoS2) and molecular imprinting polymer (MIP) to detect trace levels of bovine serum albumin (BSA). The sensor showed a wide dynamic detection range with a high sensitivity of 2.34 × 107 pm/µg L-1. It shows working potential over a wide pH range with a subfemtomolar detection limit. The compact size, easy fabrication, stable structure, long detection range, and high sensitivity of this sensor would open a new path for the development of different biosensors for online and remote sensing applications.
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He X, Ji W, Xing S, Feng Z, Li H, Lu S, Du K, Li X. Emerging trends in sensors based on molecular imprinting technology: Harnessing smartphones for portable detection and recognition. Talanta 2024; 268:125283. [PMID: 37857111 DOI: 10.1016/j.talanta.2023.125283] [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: 09/03/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/21/2023]
Abstract
Molecular imprinting technology (MIT) has become a promising recognition technology in various fields due to its specificity, high efficiency, stability and eco-friendliness in the recognition of target. Molecularly imprinted polymers (MIPs), known as 'artificial receptors', are shown similar properties to natural receptors as a biomimetic material. The selectivity of recognition for targets can be greatly improved when MIPs are introduced into sensors, as known that MIPs, are suitable for the pretreatment and analysis of trace substances in complex matrix samples. At present, various sensors has been developed by the combination with MIPs for detecting and identifying trace compounds, biological macromolecules or other substances, such as optical, electrochemical and piezoelectric sensors. Smart phones, with their built-in sensors and powerful digital imaging capabilities, provide a unique platform for the needs of portability and instant detection. MIP sensors based on smart phones are expected to become a new research direction in the future. This review discusses the latest applications of MIP sensors in the field of detection and recognition in recent years, summarizes the frontier progress of MIP sensor research based on smart phones in the past two years, and points out the challenges, limitations and future development prospects.
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Affiliation(s)
- Xicheng He
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; Tianjin Key Laboratory of Therapeutic Substance of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China
| | - Wenliang Ji
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Sijia Xing
- Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China
| | - Zhixuan Feng
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China
| | - Hongyan Li
- Tianjin JOYSTAR Technology Co., Ltd, No.453, Hengshan Road, Modern Industrial Park, Tianjin Economic Technological Development Area, Tianjin, 300457, China
| | - Shanshan Lu
- BaiyangDian Basin Ecological Environment Monitoring Center, Baoding, Hebei, 071000, China
| | - Kunze Du
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; Tianjin Key Laboratory of Phytochemistry and Pharmaceutical Analysis, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China.
| | - Xiaoxia Li
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; Tianjin Key Laboratory of Therapeutic Substance of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China.
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Wang Y, Wu X, Shao G, Zhai B, Wang Z, Qin B, Wang T, Liu Z, Fu Y. Novel molecularly imprinted aerogels: Preparation, characterization, and application in selective separation for oleanolic acid in lingonberry. Talanta 2024; 266:124983. [PMID: 37542848 DOI: 10.1016/j.talanta.2023.124983] [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: 05/24/2023] [Revised: 07/19/2023] [Accepted: 07/22/2023] [Indexed: 08/07/2023]
Abstract
An oleanolic acid (OA) surface molecularly imprinted polymer silylated porous composite aerogels (OA-MIP@Si-PC-aerogels) adsorbent material was successfully prepared and characterized. The material not only has a great selectivity for the target molecule OA but also has other noteworthy qualities including high stability, excellent repeatability, and a sizable adsorption capacity. via cellulose and sodium alginate as the main materials, the carrier Si-PC-aerogels were made through ionic cross-linking, chemical cross-linking, and silylation procedures. By adopting a surface molecular imprinting approach on Si-PC-aerogels, OA-MIP@Si-PC-aerogels were effectively created utilizing OA as the template molecule and MAA as the functional monomer. Due to the presence of a specific imprinted layer on the aerogel surface, the adsorption capacity of OA-MIP@Si-PC-aerogels for OA could reach 66.20 mg g-1. OA-MIP@Si-PC-aerogels could achieve a 68.86% yield of OA from the extracts of lingonberry (Vaccinium Vitis-Idaea L.). The adsorption capacity remained at 90% after five consecutive adsorption-desorption cycles. HepG2 cells were exposed to OA that was effectively enriched with OA-MIP@Si-PC-aerogels in lingonberry (Vaccinium Vitis-Idaea L.) fruit homogenates. This OA significantly inhibited the growth of HepG2 cells in vitro. It further demonstrated that OA-MIP@Si-PC-aerogels could efficiently target OA enrichment and separation with good recovery.
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Affiliation(s)
- Ying Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Xiaodan Wu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Guansong Shao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Bowen Zhai
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Zihan Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Bingyang Qin
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Tao Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China
| | - Zhiguo Liu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, 150040, Harbin, PR China; Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China; The College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 150040, Harbin, PR China.
| | - Yujie Fu
- The College of Forestry, Beijing Forestry University, 100083, Beijing, PR China.
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Yi W, Zhang C, Zhang Q, Zhang C, Lu Y, Yi L, Wang X. Solid-State Nanopore/Nanochannel Sensing of Single Entities. Top Curr Chem (Cham) 2023; 381:13. [PMID: 37103594 DOI: 10.1007/s41061-023-00425-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/07/2023] [Indexed: 04/28/2023]
Abstract
Solid-state nanopores/nanochannels, with their high stability, tunable geometry, and controllable surface chemistry, have recently become an important tool for constructing biosensors. Compared with traditional biosensors, biosensors constructed with solid-state nanopores/nanochannels exhibit significant advantages of high sensitivity, high specificity, and high spatiotemporal resolution in the detection single entities (such as single molecules, single particles, and single cells) due to their unique nanoconfined space-induced target enrichment effect. Generally, the solid-state nanopore/nanochannel modification method is the inner wall modification, and the detection principles are the resistive pulse method and the steady-state ion current method. During the detection process, solid-state nanopore/nanochannel is easily blocked by single entities, and interfering substances easily enter the solid-state nanopore/nanochannel to generate interference signals, resulting in inaccurate measurement results. In addition, the problem of low flux in the detection process of solid-state nanopore/nanochannel, these defects limit the application of solid-state nanopore/nanochannel. In this review, we introduce the preparation and functionalization of solid-state nanopore/nanochannel, the research progress in the field of single entities sensing, and the novel sensing strategies on solving the above problems in solid-state nanopore/nanochannel single-entity sensing. At the same time, the challenges and prospects of solid-state nanopore/nanochannel for single-entity electrochemical sensing are also discussed.
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Affiliation(s)
- Wei Yi
- School of Biology and Chemistry, Minzu Normal University of Xingyi, Xingyi, 562400, People's Republic of China
| | - Chuanping Zhang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
| | - Qianchun Zhang
- School of Biology and Chemistry, Minzu Normal University of Xingyi, Xingyi, 562400, People's Republic of China
| | - Changbo Zhang
- School of Biology and Chemistry, Minzu Normal University of Xingyi, Xingyi, 562400, People's Republic of China
| | - Yebo Lu
- College of Information Science and Engineering, Jiaxing University, Jiaxing, 314001, People's Republic of China.
| | - Lanhua Yi
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, School of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China.
| | - Xingzhu Wang
- School of Electrical Engineering, University of South China, Hengyang, 421001, People's Republic of China.
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Ma Y, Zhao X, Wang Q, Wang L. Fourier transform voltammetric studies of single nanoparticles transition impacts at the micro-liquid/liquid interface. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Xu X, Xie Y, Guo P, Shi Y, Sun M, Zhou J, Wang C, Han C, Liu J, Li T. Facile synthesis of novel helical imprinted fibers based on zucchini-derived microcoils for efficient recognition of target protein in biological sample. Food Chem 2023; 404:134645. [DOI: 10.1016/j.foodchem.2022.134645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 08/11/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022]
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10
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A review on structural aspects and applications of PAMAM dendrimers in analytical chemistry: Frontiers from separation sciences to chemical sensor technologies. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Voltammetric immunoassay based on MWCNTs@Nd(OH) 3-BSA-antibody platform for sensitive BSA detection. Mikrochim Acta 2022; 189:422. [PMID: 36253569 DOI: 10.1007/s00604-022-05514-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/26/2022] [Indexed: 11/27/2022]
Abstract
An electrochemical approach is presented based on multiwall carbon nanotubes (MWCNTs) and neodymium(III) hydroxide (Nd(OH)3) nanoflakes for detection of bovine serum albumin (BSA). The materials were characterized morphologically (XRPD, SEM, and HR-TEM) and electrochemically (DPV, EIS). The MWCNTs@Nd(OH)3 composite was used as support for bovine serum albumin polyclonal antibody (anti-BSA). After the antibody immobilization on the electrochemical platform and antigen/antibody binding time (optimum 60 min), the proposed approach shows a linear voltammetric response toward BSA concentration in the range 0.066 to 6.010 ng mL-1 at maximum peak potential of 0.13 V (vs. Ag/AgCl). Limit of detection (LOD) and limit of quantification (LOQ) were 18 pg mL-1 and 61 pg mL-1, respectively. The precision of the method calculated as relative standard deviation (RSD) of five independent measurements was better 3%. The selectivity of the optimized method regarding structurally similar proteins (human serum albumin and human hemoglobin), ions (Na+, K+, Ca2+, and NO2-), or compounds (glucose, ascorbic acid, dopamine, uric acid, paracetamol, and glycine) was found to be satisfactory, with the current changes of less than 5% in the presence of up to 1 × 105 times higher concentrations (depending on the compound) of the listed potential interfering compounds. Practical applicability of immunosensor for BSA determination in cow whey sample, with recovery values in the range 97 to 103%, shows that the developed method has high potential for precise and accurate detection of BSA, as well as exceptional miniaturization possibilities for on-site and equipment-free sensing.
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Zhang X, Luo D, Zheng YW, Li XQ, Song J, Zhao WW, Chen HY, Xu JJ. Translocation of Specific DNA Nanocarrier through an Ultrasmall Nanopipette: Toward Single-Protein-Molecule Detection with Superior Signal-to-Noise Ratio. ACS NANO 2022; 16:15108-15114. [PMID: 36047811 DOI: 10.1021/acsnano.2c06303] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The use of functional DNA nanostructures as carriers to ship proteins through solid-state nanopores has recently seen substantial growth in single-protein-molecule detection (SPMD), driven by the potential of this methodology and implementations that it may enable. Ultrasmall nanopores have exhibited obvious advantages in spatiotemporal biological detection due to the appropriate nanoconfined spaces and unique properties. Herein, a 6.8 nm DNA tetrahedron (TDN) with a target-specific DNA aptamer (TDN-apt) was engineered to carry the representative target of acetylcholinesterase (AChE) through an ultrasmall nanopipet with a 30 nm orifice, underpinning the advanced SPMD of AChE with good performance in terms of high selectivity, low detection limit (0.1 fM), and especially superior signal-to-noise ratio (SNR). The kinetic interaction between TDN-apt and AChE was studied and the practical applicability of the as-developed SPMD toward real samples was validated using serum samples from patients with Alzheimer's disease. This work not only presented a feasible SPMD solution toward low-abundance proteins in complex samples and but also was envisioned to inspire more interest in the design and implementation of synergized DNA nanostructure-ultrasmall nanopore systems for future SPMD development.
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Affiliation(s)
- Xian Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Dan Luo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - You-Wei Zheng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Xiao-Qiong Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Juan Song
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Wei-Wei Zhao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
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Jeong KB, Kim JS, Dhanasekar NN, Lee MK, Chi SW. Application of nanopore sensors for biomolecular interactions and drug discovery. Chem Asian J 2022; 17:e202200679. [PMID: 35929410 DOI: 10.1002/asia.202200679] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/04/2022] [Indexed: 11/07/2022]
Abstract
Biomolecular interactions, including protein-protein, protein-nucleic acid, and protein/nucleic acid-ligand interactions, play crucial roles in various cellular signaling and biological processes, and offer attractive therapeutic targets in numerous human diseases. Currently, drug discovery is limited by the low efficiency and high cost of conventional ensemble-averaging-based techniques for biomolecular interaction analysis and high-throughput drug screening. Nanopores are an emerging technology for single-molecule sensing of biomolecules. Owing to the robust advantages of single-molecule sensing, nanopore sensors have contributed tremendously to nucleic acid sequencing and disease diagnostics. In this minireview, we summarize the recent developments and outlooks in single-molecule sensing of various biomolecular interactions for drug discovery applications using biological and solid-state nanopore sensors.
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Affiliation(s)
- Ki-Baek Jeong
- Disease Target Structure Research Center, Division of Biomedical Research, KRIBB, 34141, Daejeon, Republic of Korea
- Critical Diseases Diagnostics Convergence Research Center, KRIBB, 34141, Daejeon, Republic of Korea
| | - Jin-Sik Kim
- Disease Target Structure Research Center, Division of Biomedical Research, KRIBB, 34141, Daejeon, Republic of Korea
- Critical Diseases Diagnostics Convergence Research Center, KRIBB, 34141, Daejeon, Republic of Korea
| | - Naresh Niranjan Dhanasekar
- Disease Target Structure Research Center, Division of Biomedical Research, KRIBB, 34141, Daejeon, Republic of Korea
| | - Mi-Kyung Lee
- Disease Target Structure Research Center, Division of Biomedical Research, KRIBB, 34141, Daejeon, Republic of Korea
- Critical Diseases Diagnostics Convergence Research Center, KRIBB, 34141, Daejeon, Republic of Korea
- Department of Proteome Structural Biology, KRIBB School of Bioscience, University of Science and Technology, 34113, Daejeon, Republic of Korea
| | - Seung-Wook Chi
- Disease Target Structure Research Center, Division of Biomedical Research, KRIBB, 34141, Daejeon, Republic of Korea
- Department of Proteome Structural Biology, KRIBB School of Bioscience, University of Science and Technology, 34113, Daejeon, Republic of Korea
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14
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Tian R, Yin B, Liu D, Liu Q, Chen S, Li M, Wang L, Zhou S, Wang D. Highly sensitive α-hemolysin nanopore detection of MUC1 based on 3D DNA walker. Anal Chim Acta 2022; 1223:340193. [DOI: 10.1016/j.aca.2022.340193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/10/2022] [Accepted: 07/19/2022] [Indexed: 11/26/2022]
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15
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Gold nanoparticle functionalized nanopipette sensors for electrochemical paraquat detection. Mikrochim Acta 2022; 189:251. [PMID: 35680710 DOI: 10.1007/s00604-022-05348-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 05/15/2022] [Indexed: 10/18/2022]
Abstract
A sensitive nanopipette sensor is established through a unique design of host-guest recognition, which could be further enhanced by the introduction of gold nanoparticles (Au NPs). Generally, the nanopipette is conjugated with caboxylatopillar[5]arenes (CP[5]) or carboxylated leaning pillar[6]arene (CLP[6]) to generate recognition sites. After the addition of pesticide molecules, they would be captured by CP[5] (or CLP[6]), resulting in a significant electronegativity change on the nanopipette's inner surface, which could be determined by the ionic current change. The CP[5]-modified nanopipette exhibited reliable selectivity for paraquat, while the CLP[6]-modified nanopipette showed an ability of detection for both paraquat and diquat. The addition of Au NPs improved the selectivity and sensitivity of the CP[5]-Au NP-modified nanopipette for paraquat sensing. After optimization by lowering the size of the Au NPs, CP[5]-Au NPs (3 nm)-modified nanopipettes achieved lower detection limits of 0.034 nM for paraquat. Furthermore, in real sample analysis, this sensor demonstrates exceptional sensitivity and selectivity. This study provides a new strategy to develop nanopipette sensors for practical small molecule detection. The gold nanoparticles enhanced quartz nanopipette sensor based on host-guest interaction was firstly established, which could achieve an excellent limit of detection of 3.4 × 10-11 mol/L for paraquat.
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Recent Advances in Aptamer‐Based Nanopore Sensing at Single‐Molecule Resolution. Chem Asian J 2022; 17:e202200364. [DOI: 10.1002/asia.202200364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/20/2022] [Indexed: 11/07/2022]
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Hu T, Xu J, Shang M, Zhao Q, Cao Y. Photonic crystal sensor for melamine based on magnetic molecularly imprinted nanoparticles self-assembled with an amphiphilic random copolymer. Mikrochim Acta 2022; 189:215. [PMID: 35524922 DOI: 10.1007/s00604-022-05300-x] [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: 12/01/2021] [Accepted: 03/28/2022] [Indexed: 10/18/2022]
Abstract
Magnetic molecularly imprinted nanoparticles (MMINPs) were obtained with a one-step process through miniemulsion self-assembly using an amphiphilic random copolymer as both an emulsifier and MMINP coating, oleic acid-modified magnetite nanoparticles as magnetic cores, and melamine (MEL) as the template molecule. MMINPs were assembled under an external magnetic field to construct photonic crystal (PC) sensor for naked-eye detection of MEL. The MMINPs were characterized by FT-IR, TEM, TGA, and VSM. The analytical performances of the magnetic molecularly imprinted PC sensor for MEL (MEL-MMIPCs) were investigated with respect to sensitivity, response time, selectivity, and stability. As the MEL concentration increases from 1.0 to 1.0 × 106 μg/l, the reflection wavelength of MEL-MMIPCs shifted from 497 to 709 nm, and was linear with the logarithm of MEL concentration in this range. The detection limit was 0.21 μg/l (S/N = 3) and response time was within 30 s. The MEL-MMIPC sensor had an imprinting factor of 5.09, and selectivity factors for the analogs cyanuric acid and atrazine were 8.76 and 5.75, respectively, indicating the high sensitivity and selectivity. After 10 cycles of elution/response, MEL-MMIPCs still had a good ability to recognize MEL.
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Affiliation(s)
- Tingyi Hu
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China
| | - Jiasheng Xu
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China
| | - Meng Shang
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China
| | - Qiang Zhao
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China
| | - Yuhua Cao
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China.
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An DY, Pu WR, Wang Y, Xue-Zhang, Huang YP, Liu ZS. Improving sorption performance of a molecularly imprinted monolithic column by doping mesoporous molecular sieve SBA-15. Mikrochim Acta 2022; 189:85. [PMID: 35129695 DOI: 10.1007/s00604-022-05192-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/13/2022] [Indexed: 01/07/2023]
Abstract
For the first time a hybrid molecularly imprinted polymer (MIP) doped with 3-(trimethoxysilyl) propyl methacrylate (γ-MPS)-modified mesoporous molecular sieve SBA-15 for target peptide recognition has been developed. Zinc acrylate and methacrylic acid were used as binary functional monomers, and ethylene dimethacrylate was used as cross-linking agent to prepare an imprinted monolith against Val-Tyr-Ala-Leu-Lys(glutarylation) (VYALKglu). The morphology of the polymers was characterized by scanning electron microscopy, FT-IR spectroscopy, energy dispersive spectroscopy, and 1H NMR. The SBA-15-MPS MIP showed high recovery of 87.1% and the IF of 12.9 for the enrichment of the template peptide. When the template peptide concentration ranged from 5 to 90 μg mL-1, the correlation coefficients (R2) for the calibration function obtained was better 0.999. The limit of detection (LOD, 0.30 μg mL-1) and limit of quantification (LOQ, 1.0 μg mL-1) were achieved for signal-to-noise ratios of 3:1 and 10:1, respectively. When other kinds of synthetic peptides were used as analogs, the selectivity of the SBA-15-MPS MIP was much better than the SBA-15-MPS NIP (without template peptides) with relative selectivity coefficients of 52.8-265. In contrast, little quinolones and biogenic amines are adsorbed with the SBA-15-MPS MIP. The SBA-15-MPS MIP could enrich VYALKglu from spiked histone digestion with the average recovery of 87.8% and the relative standard deviation (RSD) of 0.99%. As a conclusion, doping of SBA-15 is an effective approach to the improvement of performance of molecularly imprinted monolith.
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Affiliation(s)
- Dong-Yu An
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Wan-Rong Pu
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Yang Wang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Xue-Zhang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Yan-Ping Huang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China.
| | - Zhao-Sheng Liu
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China.
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“Out of Pocket” Protein Binding—A Dilemma of Epitope Imprinted Polymers Revealed for Human Hemoglobin. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9060128] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The epitope imprinting approach applies exposed peptides as templates to synthesize Molecularly Imprinted Polymers (MIPs) for the recognition of the parent protein. While generally the template protein binding to such MIPs is considered to occur via the epitope-shaped cavities, unspecific interactions of the analyte with non-imprinted polymer as well as the detection method used may add to the complexity and interpretation of the target rebinding. To get new insights on the effects governing the rebinding of analytes, we electrosynthesized two epitope-imprinted polymers using the N-terminal pentapeptide VHLTP-amide of human hemoglobin (HbA) as the template. MIPs were prepared either by single-step electrosynthesis of scopoletin/pentapeptide mixtures or electropolymerization was performed after chemisorption of the cysteine extended VHLTP peptide. Rebinding of the target peptide and the parent HbA protein to the MIP nanofilms was quantified by square wave voltammetry using a redox probe gating, surface enhanced infrared absorption spectroscopy, and atomic force microscopy. While binding of the pentapeptide shows large influence of the amino acid sequence, all three methods revealed strong non-specific binding of HbA to both polyscopoletin-based MIPs with even higher affinities than the target peptides.
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Yin F, Xu F, Zhang K, Yuan M, Cao H, Ye T, Wu X, Xu F. Synthesis and evaluation of mesoporous silica/mesoporous molecularly imprinted nanoparticles as adsorbents for detection and selective removal of imidacloprid in food samples. Food Chem 2021; 364:130216. [PMID: 34237619 DOI: 10.1016/j.foodchem.2021.130216] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/07/2021] [Accepted: 05/17/2021] [Indexed: 11/18/2022]
Abstract
The double-mesoporous-layer imprinted polymer of mesoporous silica/mesoporous molecularly imprinted nanoparticles (MIP), with high specific surface area, rich porosity, excellent mass transfer rate and selectivity, were synthesized using imidacloprid (IDP) as a template. Under the optimal conditions of pH, contact time, concentration and temperature, MIP showed high adsorption capacity of 13.86 μg·mg-1 toward IDP and the imprinting factor reached 3.5. The adsorption process model including binding isotherm and kinetics was investigated. MIP exhibited excellent regeneration and its adsorption and selectivity were outstanding among its structurally pesticide analogues. The recovery of spiked IDP for MIP in fortified real samples can reach 96.0 ± 8.5% for cabbage and 105.0 ± 9.9% for apple. The limit of detection of the enrichment method can be as low as 0.037 μg·mL-1 with a good linear relationship (R2 = 0.996) from 0.30 to 10.0 μg·mL-1. The results indicated that the proposed method allowed class-specific detection of IDP in food samples.
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Affiliation(s)
- Fengqin Yin
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Feng Xu
- College of Science, University of Shanghai for Science and Technology, Shanghai, China
| | - Kun Zhang
- College of Science, University of Shanghai for Science and Technology, Shanghai, China
| | - Min Yuan
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Hui Cao
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Tai Ye
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Xiuxiu Wu
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Fei Xu
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China; College of Science, University of Shanghai for Science and Technology, Shanghai, China.
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