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Uğurlu G. FT-IR, FT-raman and UV spectra and ab initio HF and DFT study of conformational analysis, molecular structure and properties of ortho- meta- and para-chlorophenylboronic acid isomers. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 313:124111. [PMID: 38457874 DOI: 10.1016/j.saa.2024.124111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/27/2024] [Accepted: 03/02/2024] [Indexed: 03/10/2024]
Abstract
In this study, the FT-IR, FT-Raman, and UV-Vis spectroscopic properties of three monosubstituted phenylboronic acid derivatives: ortho-chlorophenylboronic acid (o-ClPhBA), meta-chlorophenylboronic acid (m-ClPhBA) and para-chlorophenylboronic acid (p-ClPhBA) molecules are investigated both experimentally and theoretically using Density Functional Theory (B3LYP) and Hartree Fock (HF). In order to find the stable possible conformations of the compounds, the conformational analysis was carried out by running potential energy surface (PES) scan by means of rotation of two structural parameters, the dihedral angles indicated as φ2 (C6-B-O1-H1A) and φ3 (C6-B-O2-H2A), varying from -180° to 180° with an increment of 10° using B3LYP/6-31G level of theory. Also, to determinate the most stable conformer for all the molecules, potential energy curve (PEC) the stable possible conformations on PES scan were investigated as a function of φ1 (C1-C6-B-O1) dihedral angle from 0° up to 180° with an increment of 10° using B3LYP/6-311++G(d,p) and HF/6-311++G(d,p) level of theory. For all the studied compounds, two conformational structures (conformer anti-anti, syn-syn) that did not have imaginary frequency values outside the equilibrium state (conformer anti-syn) were detected theoretically at the both methods. Due to their conformational flexibility, the relative stabilities of the anti-syn, anti-anti, and syn-syn conformers of o-ClPhBA, m-ClPhBA, and p-ClPhBA are 0.0, 4.66, and 6.76 kcal/mol, respectively, at the B3LYP/6-311++G(d,p) level of theory. For the HF/6-311++G(d,p) level of theory, the relative stabilities are 0.00, 4.54, and 6.11 kcal/mol for o-ClPhBA; 0.00, 3.98, and 1.51 kcal/mol for m-ClPhBA; and 0.00, 4.10, and 1.44 kcal/mol for p-ClPhBA, respectively. Some of the determined stable conformations of these molecules are different in symmetry groups. It was observed that the increase in the symmetry was effective in the of molecular properties, especially for vibrational frequencies. The structural parameter, dipole moments (μ), vibrational frequencies, polarizability (α), hyperpolarizability (β), the highest occupied molecular orbital (HOMO), and the lowest unoccupied molecular orbital (LUMO) of the stable conformers were calculated by using Ab initio HF/6-311++G(d,p) and DFT/B3LYP/6-311++G(d,p) level of theory. The assignments of fundamental vibrational modes of the studied molecule were performed based on total energy distribution (TED) analysis.
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Han JH, Kim CR, Min CH, Kim MJ, Kim SN, Ji HB, Yoon SB, Lee C, Choy YB. Microneedles coated with composites of phenylboronic acid-containing polymer and carbon nanotubes for glucose measurements in interstitial fluids. Biosens Bioelectron 2023; 238:115571. [PMID: 37562343 DOI: 10.1016/j.bios.2023.115571] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/18/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023]
Abstract
A microneedle (MN) sensor coated with a sensing composite material was proposed for measuring glucose concentrations in interstitial fluid (ISF). The sensing composite material was prepared by blending a polymer containing glucose-responsive phenylboronic acid (PBA) moieties (i.e., polystyrene-block-poly(acrylic acid-co-acrylamidophenylboronic acid)) with conductive carbon nanotubes (CNTs). The polymer exhibited reversible swelling behavior in response to glucose concentrations, which influenced the distribution of the embedded CNTs, resulting in sensitive variations in electrical percolation, even when coated onto a confined surface of the MN in the sensor. We varied the ratio of PBA moieties and the loading amount of CNTs in the sensing composite material of the MN sensor and tested them in vitro using an ISF-mimicking gel with physiological glucose concentrations to determine the optimal sensitivity conditions. When tested in animal models with varying blood glucose concentrations, the MN sensor coated with the selected sensing material exhibited a strong correlation between the measured electrical currents and blood glucose concentrations, showing accuracy comparable to that of a glucometer in clinical use.
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Affiliation(s)
- Jae Hoon Han
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Cho Rim Kim
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang Hee Min
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Min Ji Kim
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Se-Na Kim
- Institute of Medical & Biological Engineering, Medical Research Center, Seoul National University, Seoul 03080, Republic of Korea
| | - Han Bi Ji
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Soo Bin Yoon
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Cheol Lee
- Department of Pathology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Young Bin Choy
- Interdisciplinary Program in Bioengineering, College of Engineering, Seoul National University, Seoul 08826, Republic of Korea; Institute of Medical & Biological Engineering, Medical Research Center, Seoul National University, Seoul 03080, Republic of Korea; Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; Innovative Medical Technology Research Institute, Seoul National University Hospital, Seoul 03122, Republic of Korea; ToBIOs Inc, 214 Yulgok-ro, Jongno-gu, Seoul 03122, Republic of Korea.
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3
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Komori Y, Sugimoto S, Sato T, Okawara H, Watanabe R, Takano Y, Kitaoka S, Egawa Y. A New Boron-Rhodamine-Containing Carboxylic Acid as a Sugar Chemosensor. SENSORS (BASEL, SWITZERLAND) 2023; 23:1528. [PMID: 36772569 PMCID: PMC9921257 DOI: 10.3390/s23031528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
We propose a boron-rhodamine-containing carboxylic acid (BRhoC) substance as a new sugar chemosensor. BRhoC was obtained by the Friedel-Crafts reaction of 4-formylbenzoic acid and N,N-dimethylphenylboronic acid, followed by chloranil oxidation. In an aqueous buffer solution at pH 7.4, BRhoC exhibited an absorption maximum (Absmax) at 621 nm. Its molar absorption coefficient at Absmax was calculated to be 1.4 × 105 M-1 cm-1, and it exhibited an emission maximum (Emmax) at 644 nm for the excitation at 621 nm. The quantum yield of BRhoC in CH3OH was calculated to be 0.16. The borinate group of BRhoC reacted with a diol moiety of sugar to form a cyclic ester, which induced a change in the absorbance and fluorescence spectra. An increase in the D-fructose (Fru) concentration resulted in the red shift of the Absmax (621 nm without sugar and 637 nm with 100 mM Fru) and Emmax (644 nm without sugar and 658 nm with 100 mM Fru) peaks. From the curve fitting of the plots of the fluorescence intensity ratio at 644 nm and 658 nm, the binding constants (K) were determined to be 2.3 × 102 M-1 and 3.1 M-1 for Fru and D-glucose, respectively. The sugar-binding ability and presence of a carboxyl group render BRhoC a suitable building block for the fabrication of highly advanced chemosensors.
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Wang Q, Ye W, Li D, Zhu J, Liu C, Lin C, Fu L, Xu Z. Analysis of Electrochemically Active Substances in Malvaceae Leaves via Electroanalytical Sensing Technology for Species Identification. MICROMACHINES 2023; 14:248. [PMID: 36837948 PMCID: PMC9963770 DOI: 10.3390/mi14020248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
Electrochemical analysis has become a new method for plant analysis in recent years. It can not only collect signals of electrochemically active substances in plant tissues, but can also be used to identify plant species. At the same time, the signals of electrochemically active substances in plant tissues can also be used to investigate plant phylogeny. In this work, we collected electrochemical finger patterns in Malvaceae leaves based on the established methodological strategy. After the second derivative treatment, the collected electrochemical fingerprints can show more obvious differences. Three different recognition models were used to attempt electrochemical fingerprinting. The results show that linear support vector classification can be used to identify species with high accuracy by combining the electrochemical fingerprint signals collected in the phosphoric acid buffer solution and acetic acid buffer solution. In addition, the fingerprint information collected by the electrochemical sensor is further used for phylogenetic investigation. The 18 species were divided into three clusters. Species of the same genus have been clustered together. Dendrogram obtained by electrochemical fingerprinting was used to compare previously reported results deduced from morphological and complete chloroplast genomes.
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Affiliation(s)
- Qiong Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Weiting Ye
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Dongling Li
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Jiangwei Zhu
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Chenghang Liu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Chengte Lin
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo 315201, China
| | - Li Fu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Zenglai Xu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
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5
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Lara-Cruz GA, Jaramillo-Botero A. Molecular Level Sucrose Quantification: A Critical Review. SENSORS (BASEL, SWITZERLAND) 2022; 22:9511. [PMID: 36502213 PMCID: PMC9740140 DOI: 10.3390/s22239511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Sucrose is a primary metabolite in plants, a source of energy, a source of carbon atoms for growth and development, and a regulator of biochemical processes. Most of the traditional analytical chemistry methods for sucrose quantification in plants require sample treatment (with consequent tissue destruction) and complex facilities, that do not allow real-time sucrose quantification at ultra-low concentrations (nM to pM range) under in vivo conditions, limiting our understanding of sucrose roles in plant physiology across different plant tissues and cellular compartments. Some of the above-mentioned problems may be circumvented with the use of bio-compatible ligands for molecular recognition of sucrose. Nevertheless, problems such as the signal-noise ratio, stability, and selectivity are some of the main challenges limiting the use of molecular recognition methods for the in vivo quantification of sucrose. In this review, we provide a critical analysis of the existing analytical chemistry tools, biosensors, and synthetic ligands, for sucrose quantification and discuss the most promising paths to improve upon its limits of detection. Our goal is to highlight the criteria design need for real-time, in vivo, highly sensitive and selective sucrose sensing capabilities to enable further our understanding of living organisms, the development of new plant breeding strategies for increased crop productivity and sustainability, and ultimately to contribute to the overarching need for food security.
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Affiliation(s)
| | - Andres Jaramillo-Botero
- Omicas Alliance, Pontificia Universidad Javeriana, Cali 760031, Colombia
- Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
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Taha MM, Rizk MS, Zayed MA, Abdel-Haleem FM, Barhoum A. Non-Enzymatic Phenylboronic Acid-Based Optode Membrane for Glucose Monitoring in Serums of Diabetic Patients and in the Culture Medium of Human Embryos. SENSORS (BASEL, SWITZERLAND) 2022; 22:7135. [PMID: 36236234 PMCID: PMC9571803 DOI: 10.3390/s22197135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 08/30/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Monitoring glucose levels is important not only for diabetics, but also for tracking embryonic development in human embryo culture media. In this study, an optochemical sensor (glucose-selective polymer membrane) was fabricated for the determination of glucose in serum from diabetic patients and the culture media of human embryos. The optode membranes were formulated using polyvinyl chloride (PVC) as the polymer matrix and 4',5'-dibromofluorescein octadecyl ester (ETH 7075) as the chromoionophore. The sensitivity of the optode membranes was optimized using two different plasticizers (tricresyl phosphate-TCP and nitrophenyloctyl ether-NOPE) and three ionophores (nitrophenylboronic acid-NPBA, trifluorophenyboronic acid-TFPBA, 4'-nitrobenzo-15-crown-5) and tested for glucose detection. The best optode membrane was formulated from 49.5% PVC, 49.5% TCP, 1% NPBA, and 1% ETH 7075. It showed a linear dynamic range of 10-3 M to 10-1 M, with a detection limit of 9 × 10-4 M and a response time of 2 min. The detection mechanism involves H-bonding between NPBA and glucose, which was confirmed by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR). The reaction also involves the formation of boronate esters in basic media with deprotonation of the chromoionophore (ETH 7075), leading to a decrease in UV-Vis absorbance at λmax = 530 nm. The membrane optode was used for glucose determination in synthetic culture medium, commercial embryo culture medium (GLOBAL® TOTAL® W/HEPES), and serum from normal and diabetic patients, showing good accuracy and precision of the optode.
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Affiliation(s)
- Mohamed M. Taha
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Adam International Hospital, Aden Street Mohandesein Anas Ibn Malek, Giza 12411, Egypt
| | - Mahmoud S. Rizk
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Mohamed A. Zayed
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Fatehy M. Abdel-Haleem
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Center for Hazards Mitigation, Environmental Studies and Research (CHMESR), Cairo University, Giza 11795, Egypt
| | - Ahmed Barhoum
- NanoStruc Research Group, Chemistry Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, D09 V209 Dublin, Ireland
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7
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Kikuchi H, Nakamura Y, Inoue C, Nojiri S, Koita M, Kojima M, Koyama H, Miki R, Seki T, Egawa Y. Hydrogen Peroxide-Triggered Conversion of Boronic Acid-Appended Insulin into Insulin and Its Application as a Glucose-Responsive Insulin Formulation. Mol Pharm 2021; 18:4224-4230. [PMID: 34623822 DOI: 10.1021/acs.molpharmaceut.1c00760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
p-Boronophenylmethoxycarbonyl (BPmoc) is a protecting group for amines that is removable by treatment with hydrogen peroxide (H2O2). We prepared BPmoc-modified insulin (BPmoc-Ins) and subcutaneously injected the formulation into diabetic rats. The results demonstrated that BPmoc effectively sealed the blood glucose (Glc)-lowering effects of Ins. Conversely, coinjection of BPmoc-Ins and Glc oxidase (GOx) resulted in reduced blood Glc levels, indicating that Ins was generated from BPmoc-Ins through the following reactions: oxidation of endogenous Glc by GOx; production of H2O2 accompanied by Glc oxidation; removal of BPmoc residues by H2O2. These results show the potential of BPmoc-Ins for a Glc-responsive Ins release system.
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Affiliation(s)
- Hinako Kikuchi
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Yuki Nakamura
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Chika Inoue
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Sayaka Nojiri
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Miho Koita
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Minori Kojima
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Hiroki Koyama
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Ryotaro Miki
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Toshinobu Seki
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Yuya Egawa
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
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Moreira LFPP, Buffon E, de Sá AC, Stradiotto NR. Fructose determination in fruit juices using an electrosynthesized molecularly imprinted polymer on reduced graphene oxide modified electrode. Food Chem 2021; 352:129430. [PMID: 33691211 DOI: 10.1016/j.foodchem.2021.129430] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 01/26/2021] [Accepted: 02/19/2021] [Indexed: 01/10/2023]
Abstract
The present work reports the development of a novel electrochemical sensor for the selective detection of fructose. The sensor was developed through electropolymerization of a molecularly imprinted polymer film on a reduced graphene oxide modified electrode. The modified electrode was characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, atomic force microscopy and RAMAN spectroscopy. Through the application of the modified electrode, the recognition of fructose molecules occurred in a concentration range of 1.0 × 10-14 to 1.0 × 10-11 mol L-1, under a Langmuir adsorption isothermal model. The sensitivity and limits of detection and quantification obtained for the sensor were 9.9 × 107 A L mol-1, 3.2 × 10-15 mol L-1 and 1.1 × 10-14 mol L-1, respectively. The analytical method used for the detection of fructose presented good reproducibility, stability and accuracy, and was successfully applied for the quantification of this sugar in orange, apple and grape juices.
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Affiliation(s)
- Luiz Felipe Pompeu Prado Moreira
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil
| | - Edervaldo Buffon
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil.
| | - Acelino Cardoso de Sá
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; São Carlos Institute of Physics, University of São Paulo (USP), 13566-590 São Carlos, São Paulo, Brazil
| | - Nelson Ramos Stradiotto
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil
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9
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Chen M, Cao X, Chang K, Xiang H, Wang R. A novel electrochemical non-enzymatic glucose sensor based on Au nanoparticle-modified indium tin oxide electrode and boronate affinity. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137603] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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10
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Zhong Y, Song B, He D, Xia Z, Wang P, Wu J, Li Y. Galactose-based polymer-containing phenylboronic acid as carriers for insulin delivery. NANOTECHNOLOGY 2020; 31:395601. [PMID: 32554896 DOI: 10.1088/1361-6528/ab9e26] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The galactose-based polymer is a promising drug delivery material. Herein, a new galactose-based block copolymer, termed as 6-O-vinyl sebacic acid-D-galactopyranosyl ester block 3-acrylamide phenylboric acid p(OVNG-b-AAPBA) was successfully synthesized by 'block copolymer' method. The structure of p(OVNG-b-AAPBA) was proved by nuclear magnetic hydrogen spectrum (1 HNMR) and infrared (IR), the thermal stability was observed by thermogravimetric analyzer, and the molecular weights (Mw and Mn) were demonstrated by Gel permeation chromatography (GPC). The above test results suggested that the polymer of p(OVNG-b-AAPBA) was successfully synthesized, and it had optimal molecular weight and thermal stability, which could be used for investigating the drug delivery system. Then, this block copolymer was prepared to the nanoparticle (NP), these NPs had a satisfactory morphology, and their safety was verified by MTT and chronic animal toxicology test. In addition, insulin was encapsulated by the p(OVNG-b-AAPBA) NPs, the drug loading rate and encapsulation efficiency increased with that of AAPBA in the polymer. Finally, this study confirmed that these NPs can effectively maintain the blood sugar of diabetic mice at 96 h. In conclusion, the current study suggested that the insulin-loaded galactose-based polymer-block-3-acrylamide phenylboric acid NPs had slow-release/glucose-responsive drug release performance, which might play an active role in the diabetes therapy.
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Affiliation(s)
- Yunhua Zhong
- Department of Geratology, The First People's Hospital of Yunnan Province, Kunming University of Science and Technology, Kunming 650032, People's Republic of China
| | - Bo Song
- School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan 650500, People's Republic of China
| | - Dan He
- School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan 650500, People's Republic of China
| | - Zemei Xia
- School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan 650500, People's Republic of China
| | - Peng Wang
- School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan 650500, People's Republic of China
| | - Junzi Wu
- Department of Geratology, The First People's Hospital of Yunnan Province, Kunming University of Science and Technology, Kunming 650032, People's Republic of China
- School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan 650500, People's Republic of China
| | - Yan Li
- Department of Geratology, The First People's Hospital of Yunnan Province, Kunming University of Science and Technology, Kunming 650032, People's Republic of China
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11
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Zeng M, Zhou T, Su Z, Pan W. Electrochemically prepared poly(L-lysine) and 3-hydroxyphenylboronic acid composite as a conventional adhesion material for rice suspension cells. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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12
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Synthesis, spectroscopic characterization and theoretical studies of (4-boronobenzoyl)serine. Chem Phys 2020. [DOI: 10.1016/j.chemphys.2019.110601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Kijewska M, Czerwińska A, Al-Harthi S, Wołczański G, Waliczek M, Emwas AH, Jaremko M, Jaremko Ł, Stefanowicz P, Szewczuk Z. Intramolecularly stapled amphipathic peptides via a boron–sugar interaction. Chem Commun (Camb) 2020; 56:8814-8817. [DOI: 10.1039/d0cc02603d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The intramolecular interactions between the fructosyl moiety and phenylboronic acid incorporated into various positions of the peptide chain were investigated using mass spectrometry (MS), circular dichroism (CD), and nuclear magnetic resonance (NMR).
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Affiliation(s)
- Monika Kijewska
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | | | - Samah Al-Harthi
- King Abdullah University of Science and Technology (KAUST)
- Biological and Environmental Sciences & Engineering Division (BESE)
- Thuwal
- Saudi Arabia
| | | | | | - Abdul-Hamid Emwas
- King Abdullah University of Science and Technology (KAUST)
- Biological and Environmental Sciences & Engineering Division (BESE)
- Thuwal
- Saudi Arabia
| | - Mariusz Jaremko
- King Abdullah University of Science and Technology (KAUST)
- Biological and Environmental Sciences & Engineering Division (BESE)
- Thuwal
- Saudi Arabia
| | - Łukasz Jaremko
- King Abdullah University of Science and Technology (KAUST)
- Biological and Environmental Sciences & Engineering Division (BESE)
- Thuwal
- Saudi Arabia
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14
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Ryu JH, Lee GJ, Shih YRV, Kim TI, Varghese S. Phenylboronic Acid-polymers for Biomedical Applications. Curr Med Chem 2019; 26:6797-6816. [DOI: 10.2174/0929867325666181008144436] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 09/24/2018] [Accepted: 09/26/2018] [Indexed: 02/08/2023]
Abstract
Background:
Phenylboronic acid-polymers (PBA-polymers) have attracted tremendous
attention as potential stimuli-responsive materials with applications in drug-delivery
depots, scaffolds for tissue engineering, HIV barriers, and biomolecule-detecting/sensing platforms.
The unique aspect of PBA-polymers is their interactions with diols, which result in reversible,
covalent bond formation. This very nature of reversible bonding between boronic
acids and diols has been fundamental to their applications in the biomedical area.
Methods:
We have searched peer-reviewed articles including reviews from Scopus, PubMed,
and Google Scholar with a focus on the 1) chemistry of PBA, 2) synthesis of PBA-polymers,
and 3) their biomedical applications.
Results:
We have summarized approximately 179 papers in this review. Most of the applications
described in this review are focused on the unique ability of PBA molecules to interact
with diol molecules and the dynamic nature of the resulting boronate esters. The strong sensitivity
of boronate ester groups towards the surrounding pH also makes these molecules
stimuli-responsive. In addition, we also discuss how the re-arrangement of the dynamic boronate
ester bonds renders PBA-based materials with other unique features such as self-healing
and shear thinning.
Conclusion:
The presence of PBA in the polymer chain can render it with diverse functions/
relativities without changing their intrinsic properties. In this review, we discuss the development
of PBA polymers with diverse functions and their biomedical applications with a
specific focus on the dynamic nature of boronate ester groups.
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Affiliation(s)
- Ji Hyun Ryu
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, North Carolina, NC 27703, United States
| | - Gyeong Jin Lee
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Yu-Ru V. Shih
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, North Carolina, NC 27703, United States
| | - Tae-il Kim
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Shyni Varghese
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, North Carolina, NC 27703, United States
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15
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Gholamali I. Stimuli-Responsive Polysaccharide Hydrogels for Biomedical Applications: a Review. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2019. [DOI: 10.1007/s40883-019-00134-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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16
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Lima HRS, Airton de Oliveira Farias E, Teixeira PRS, Eiras C, Nunes LCC. Blend films based on biopolymers extracted from babassu mesocarp (Orbignya phalerata) for the electrochemical detection of methotrexate antineoplastic drug. J Solid State Electrochem 2019. [DOI: 10.1007/s10008-019-04406-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Ohno Y, Kawakami M, Seki T, Miki R, Seki T, Egawa Y. Cell Adhesive Character of Phenylboronic Acid-Modified Insulin and Its Potential as Long-Acting Insulin. Pharmaceuticals (Basel) 2019; 12:ph12030121. [PMID: 31430994 PMCID: PMC6789584 DOI: 10.3390/ph12030121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/11/2019] [Accepted: 08/13/2019] [Indexed: 11/16/2022] Open
Abstract
Phenylboronic acid (PBA) derivatives have attracted substantial attention owing to their unique character of forming dynamic covalent bonds with polyol compounds. Recent studies have shown interactions between PBA and sugar chains on the cell surface; they have interesting applications for sensors and drug delivery systems. In this study, we prepared phenylboronic acid-modified insulin (PBA-Ins) to evaluate its glucose-lowering activity and cell adhesiveness. In the case of intravenous injection, PBA-Ins showed longer glucose-lowering activity than native insulin. We hypothesized that this prolonged effect was the result of the interaction between the PBA moiety and sugar chains on the cell surface. Red blood cells (RBCs) were used as a cell model, and we confirmed PBA-Ins's affinity for RBCs, which induced RBC agglutination. Interestingly, using an alternative PBA-Ins administration route markedly changed its glucose-lowering activity. Unlike the intravenous injection of PBA-Ins, the subcutaneous injection showed a small effect on glucose level, which indicated that a small amount of PBA-Ins was absorbed into the bloodstream. This suggested the importance of investigating the interaction between the PBA moiety and many types of cells, such as adipocytes, in subcutaneous tissues.
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Affiliation(s)
- Yui Ohno
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Momoko Kawakami
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Tomohiro Seki
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Ryotaro Miki
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Toshinobu Seki
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Yuya Egawa
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
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18
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Bergdahl GE, Hedström M, Mattiasson B. Capacitive Saccharide Sensor Based on Immobilized Phenylboronic Acid with Diol Specificity. Appl Biochem Biotechnol 2019; 188:124-137. [PMID: 30370445 PMCID: PMC6509085 DOI: 10.1007/s12010-018-2911-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 10/19/2018] [Indexed: 01/12/2023]
Abstract
A capacitive sensor for saccharide detection is described in this study. The detection is based on selective interaction between diols and aminophenylboronic acid (APBA) immobilized on a gold electrode. Glucose, fructose, and dextran (MW: 40 kDa) were tested with the system over wide concentration ranges (1.0 x 10-8 M - 1.0 x 10-3 M for glucose, 1.0 x 10-8 M - 1.0 x 10-2 M for fructose and 1.0 x 10-10 M - 1.0 x 10-5 M for dextran). The limits of detection (LODs) were 0.8 nM for glucose, 0.6 nM for fructose, and 13 pM for dextran. These data were comparable to the others reported previously. In order to demonstrate glycoprotein detection with the same sensor, human immunoglobulin G (IgG) as well as horseradish peroxidase were used as model analytes. The sensor responded to IgG in the concentration range of 1.0 x 10-13 M - 1.0 x 10-7 M with a LOD value of 16 fM. The performance of the assay of peroxidase was compared to a spectrophotometric assay by determining the enzymatic activity of a captured analyte. The results showed that the method might be useful for label-free, fast, and sensitive detection of saccharides as well as glycoproteins over a wide concentration range.
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Affiliation(s)
- Gizem Ertürk Bergdahl
- CapSenze Biosystems AB, Scheelevägen 22, 22363 Lund, Sweden
- Department of Biotechnology, Kemicentum, Lund University, Sölvegatan 39A, 22100 Lund, Sweden
- Department of Clinical Sciences, Lund University, Tornavägen 10, 22184 Lund, Sweden
| | - Martin Hedström
- CapSenze Biosystems AB, Scheelevägen 22, 22363 Lund, Sweden
- Department of Biotechnology, Kemicentum, Lund University, Sölvegatan 39A, 22100 Lund, Sweden
| | - Bo Mattiasson
- CapSenze Biosystems AB, Scheelevägen 22, 22363 Lund, Sweden
- Department of Biotechnology, Kemicentum, Lund University, Sölvegatan 39A, 22100 Lund, Sweden
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19
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Wang X, Su J, Zeng D, Liu G, Liu L, Xu Y, Wang C, Liu X, Wang L, Mi X. Gold nano-flowers (Au NFs) modified screen-printed carbon electrode electrochemical biosensor for label-free and quantitative detection of glycated hemoglobin. Talanta 2019; 201:119-125. [PMID: 31122401 DOI: 10.1016/j.talanta.2019.03.100] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 03/14/2019] [Accepted: 03/30/2019] [Indexed: 01/18/2023]
Abstract
Glycated hemoglobin (HbA1c) represents the average glucose level over the past three months and has been considered as the most important biomarker for the diagnosis of Type Ⅱ diabetes (T2D). Herein, a label-free and quantitative electrochemical biosensor based on 4-mercaptophenylboronic acid (4-MPBA) modified gold nano-flowers (Au NFs) substrate was developed for the determination of HbA1c. Under optimal conditions, the linear dynamic ranges of HbA1c (5 μg/mL - 1000 μg/mL) and HbA1c% (2%-20%) by cyclic voltammetry were achieved. The electrochemical biosensor showed great detection specificity towards HbA1c and relatively stability after storage at 4 °C. This method could also be applied in human serum system which holds great potential to be applied to monitor real blood samples of diabetes patients. In human serum system, the recovery rate could reach 103.8% and 99.0%. It could achieve fast detection, the total analysis time was less than 65 min, and the detection time was less than 10 s. Moreover, in terms of fabrication process, operation procedure, detection time and cost, this technique was superior to the current HbA1c detection methods suggesting great promise for the practical clinical use in the future.
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Affiliation(s)
- Xiao Wang
- , School of Life Sciences, Shanghai University, Shanghai, 200444, China; , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Jing Su
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Dongdong Zeng
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Gang Liu
- , Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203, China
| | - Lizhuang Liu
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Yi Xu
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Chenguang Wang
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Xinxin Liu
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Lu Wang
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Xianqiang Mi
- , Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; , State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China.
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20
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Anantha-Iyengar G, Shanmugasundaram K, Nallal M, Lee KP, Whitcombe MJ, Lakshmi D, Sai-Anand G. Functionalized conjugated polymers for sensing and molecular imprinting applications. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2018.08.001] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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21
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Tomlin FM, Gordon CG, Han Y, Wu TS, Sletten EM, Bertozzi CR. Site-specific incorporation of quadricyclane into a protein and photocleavage of the quadricyclane ligation adduct. Bioorg Med Chem 2018; 26:5280-5290. [PMID: 29754834 PMCID: PMC6170726 DOI: 10.1016/j.bmc.2018.04.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/30/2018] [Accepted: 04/03/2018] [Indexed: 01/20/2023]
Abstract
The quadricyclane (QC) ligation is a bioorthogonal reaction between a quadricyclane moiety and a nickel bis(dithiolene) derivative. Here we show that a QC amino acid can be incorporated into a protein site-specifically using the pyrrolysine-based genetic code expansion platform, and subsequently used for ligation chemistry. Additionally, we exploited the photolability of the QC ligation product to render the adduct cleavable with a handheld UV lamp. We further developed a protein purification method that involves QC ligation of biotin to a protein of interest, capture on streptavidin resin, and finally release using only UV light. The QC ligation thus brings novel chemical manipulations to the realm of bioorthogonal chemistry.
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Affiliation(s)
- Frederick M Tomlin
- Department of Chemistry, Stanford University, Stanford, CA 94305, United States; Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, United States
| | - Chelsea G Gordon
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, United States
| | - Yisu Han
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, United States
| | - Taia S Wu
- Department of Chemistry, Stanford University, Stanford, CA 94305, United States
| | - Ellen M Sletten
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, United States
| | - Carolyn R Bertozzi
- Department of Chemistry, Stanford University, Stanford, CA 94305, United States; Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, United States; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, United States.
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22
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Zhao Q, Zhang Z, Tang Y. A new conjugated polymer-based combination probe for ATP detection using a multisite-binding and FRET strategy. Chem Commun (Camb) 2018; 53:9414-9417. [PMID: 28787042 DOI: 10.1039/c7cc04293k] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A new conjugated polymer-based ratiometric combination probe was constructed for adenosine triphosphate detection by taking advantage of a multisite-binding and fluorescence resonance energy transfer strategy. The method is rapid and highly selective, which can clearly discriminate ATP from persistent interferents such as ADP, AMP, other nucleoside polyphosphates and nucleobases.
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Affiliation(s)
- Qi Zhao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
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23
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Ji D, Liu L, Li S, Chen C, Lu Y, Wu J, Liu Q. Smartphone-based cyclic voltammetry system with graphene modified screen printed electrodes for glucose detection. Biosens Bioelectron 2017; 98:449-456. [DOI: 10.1016/j.bios.2017.07.027] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 07/07/2017] [Accepted: 07/10/2017] [Indexed: 12/24/2022]
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24
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Distinguishing glycan isomers by voltammetry. Modification of 2,3-sialyllactose and 2,6-sialyllactose by osmium(VI) complexes. Electrochem commun 2017. [DOI: 10.1016/j.elecom.2017.10.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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25
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The synthesis and comparative characterization of three novel electroactive iminoboronates containing ferrocene. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-017-2028-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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26
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A polyrotaxane gel using boronic acid-appended γ-cyclodextrin as a hybrid cross-linker. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0755-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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27
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Kim J, Lee J, Lee YM, Pramanick S, Im S, Kim WJ. Andrographolide-loaded polymerized phenylboronic acid nanoconstruct for stimuli-responsive chemotherapy. J Control Release 2017; 259:203-211. [DOI: 10.1016/j.jconrel.2016.10.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Revised: 10/05/2016] [Accepted: 10/26/2016] [Indexed: 12/12/2022]
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28
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Tsuchido Y, Fujiwara S, Hashimoto T, Hayashita T. Development of Supramolecular Saccharide Sensors Based on Cyclodextrin Complexes and Self-assembling Systems. Chem Pharm Bull (Tokyo) 2017; 65:318-325. [PMID: 28381670 DOI: 10.1248/cpb.c16-00963] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Cyclodextrins (CDs) are water-soluble host compounds having nano-size hydrophobic cavities that enable them to incorporate organic molecules in water. Optically inert CDs can be efficiently combined with various types of chromoionophores and fluoroionophores. In this study, using diverse combinations of phenylboronic acid fluorescent sensors and azoprobes with CDs, the unique saccharide recognition functions of CD, chemically modified CD, and CD gel complexes based on their synergistic function are clarified, thereby confirming their use as supramolecular saccharide sensors. To realize novel supramolecular chirality, the twisted structure of two ditopic azoprobes inside the γ-CD chiral cavity is controlled by multi-point recognition of guest ions in water. As different types of supramolecular saccharide sensors, phenylboronic acid-based self-assembling systems are also reviewed.
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Affiliation(s)
- Yuji Tsuchido
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University
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29
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Kojima Y, Okano T, Seki T, Namiki M, Egawa Y, Miki R, Juni K, Seki T. Polyol-responsive pseudopolyrotaxanes based on phenylboronic acid-modified polyethylene glycol and cyclodextrins. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0699-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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30
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Strmečki S, Trefulka M, Zatloukalová P, Durech M, Vojtesek B, Paleček E. Immunoassays of chemically modified polysaccharides, glycans in glycoproteins and ribose in nucleic acids. Anal Chim Acta 2016; 955:108-115. [PMID: 28088277 DOI: 10.1016/j.aca.2016.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 12/08/2016] [Accepted: 12/16/2016] [Indexed: 01/23/2023]
Abstract
Glycosylation of proteins plays an important role in health and diseases. At present new simple and inexpensive methods of glycoprotein analysis are sought. We developed a monoclonal antibody Manost 2.1 in mice after immunization with the adduct of mannan with Os(VI)temed complex (temed is N,N,N',N'-tetramethylethylenediamine). The specificity of this antibody to different biomolecules treated with Os(VI)temed was tested using dot blot immunoassay. Manost 2.1 showed specificity toward Os(VI)temed-modified polysaccharides, glycoproteins and ribonucleotide at the 3'-end in DNA. The antibody recognized neither the unmodified compounds nor the non-glycosylated proteins treated with Os(VI)temed. We also performed western blotting and Coomassie silver blue staining of mixtures of biomacromolecules treated with Os(VI)temed and identified specifically the modified glycoproteins. The immunochemical method using Manost 2.1 was compared with electrochemical analyses based on redox signals of the Os(VI)temed adducts, with similar results in terms of sensitivity. This new antibody-based approach opens the door for rapid and inexpensive analysis of glycans and glycoproteins in various scientific and medical fields, including cancer research and the future application of glycoprotein detection in clinical practice.
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Affiliation(s)
- Slađana Strmečki
- Institute of Biophysics, Academy of the Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czechia
| | - Mojmír Trefulka
- Institute of Biophysics, Academy of the Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czechia
| | - Pavlína Zatloukalová
- Masaryk Memorial Cancer Institute, Regional Centre for Applied Molecular Oncology, Žluty kopec 7, 656 53 Brno, Czechia
| | - Michal Durech
- Masaryk Memorial Cancer Institute, Regional Centre for Applied Molecular Oncology, Žluty kopec 7, 656 53 Brno, Czechia
| | - Borivoj Vojtesek
- Masaryk Memorial Cancer Institute, Regional Centre for Applied Molecular Oncology, Žluty kopec 7, 656 53 Brno, Czechia
| | - Emil Paleček
- Institute of Biophysics, Academy of the Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czechia; Masaryk Memorial Cancer Institute, Regional Centre for Applied Molecular Oncology, Žluty kopec 7, 656 53 Brno, Czechia.
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31
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Akiba U, Anzai JI. Recent Progress in Electrochemical Biosensors for Glycoproteins. SENSORS (BASEL, SWITZERLAND) 2016; 16:E2045. [PMID: 27916961 PMCID: PMC5191026 DOI: 10.3390/s16122045] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 11/22/2016] [Accepted: 11/29/2016] [Indexed: 12/20/2022]
Abstract
This review provides an overview of recent progress in the development of electrochemical biosensors for glycoproteins. Electrochemical glycoprotein sensors are constructed by combining metal and carbon electrodes with glycoprotein-selective binding elements including antibodies, lectin, phenylboronic acid and molecularly imprinted polymers. A recent trend in the preparation of glycoprotein sensors is the successful use of nanomaterials such as graphene, carbon nanotube, and metal nanoparticles. These nanomaterials are extremely useful for improving the sensitivity of glycoprotein sensors. This review focuses mainly on the protocols for the preparation of glycoprotein sensors and the materials used. Recent improvements in glycoprotein sensors are discussed by grouping the sensors into several categories based on the materials used as recognition elements.
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Affiliation(s)
- Uichi Akiba
- Graduate School of Engineering and Science, Akita University, 1-1 Tegatagaluenn-machi, Akita 010-8502, Japan.
| | - Jun-Ichi Anzai
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Aramakim, Sendai 980-8578, Japan.
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32
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Seki T, Abe K, Egawa Y, Miki R, Juni K, Seki T. A Pseudopolyrotaxane for Glucose-Responsive Insulin Release: The Effect of Binding Ability and Spatial Arrangement of Phenylboronic Acid Group. Mol Pharm 2016; 13:3807-3815. [DOI: 10.1021/acs.molpharmaceut.6b00599] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Tomohiro Seki
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Keigo Abe
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Yuya Egawa
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Ryotaro Miki
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Kazuhiko Juni
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Toshinobu Seki
- Faculty of Pharmaceutical
Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan
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33
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Anzai JI. Recent progress in electrochemical biosensors based on phenylboronic acid and derivatives. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:737-746. [PMID: 27287174 DOI: 10.1016/j.msec.2016.05.079] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 05/10/2016] [Accepted: 05/18/2016] [Indexed: 10/21/2022]
Abstract
This review provides an overview of recent progress made in the development of electrochemical biosensors based on phenylboronic acid (PBA) and its derivatives. PBAs are known to selectively bind 1,2- and 1,3-diols to form negatively charged boronate esters in neutral aqueous media and have been used to construct electrochemical glucose sensors because of this selective binding. PBA-modified metal and carbon electrodes have been widely studied as voltammetric and potentiometric glucose sensors. In some cases, ferroceneboronic acid or ferrocene-modified phenylboronic acids are used as sugar-selective redox compounds. Another option for sensors using PBA-modified electrodes is potentiometric detection, in which the changes in surface potential of the electrodes are detected as an output signal. An ion-sensitive field effect transistor (FET) has been used as a signal transducer in potentiometric sensors. Glycoproteins, such as glycated hemoglobin (HbA1c), avidin, and serum albumin can also be detected by PBA-modified electrodes because they contain hydrocarbon chains on the surface. HbA1c sensors are promising alternatives to enzyme-based glucose sensors for monitoring blood glucose levels over the preceding 2-3months. In addition, PBA-modified electrodes can be used to detect a variety of compounds including hydroxy acids and fluoride (F(-)) ions. PBA-based F(-) ion sensors may be useful if reagentless sensors can be developed.
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Affiliation(s)
- Jun-Ichi Anzai
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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34
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Seno M, Yoshida K, Sato K, Anzai JI. pH- and sugar-sensitive multilayer films composed of phenylboronic acid (PBA)-modified poly(allylamine hydrochloride) (PBA-PAH) and poly(vinyl alcohol) (PVA): A significant effect of PBA content on the film stability. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 62:474-9. [DOI: 10.1016/j.msec.2016.02.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/28/2016] [Accepted: 02/03/2016] [Indexed: 12/19/2022]
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35
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Horzum N, Mete D, Karakuş E, Üçüncü M, Emrullahoğlu M, Demir MM. Rhodamine-Immobilised Electrospun Chitosan Nanofibrous Material as a Fluorescence Turn-On Hg2+Sensor. ChemistrySelect 2016. [DOI: 10.1002/slct.201600027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nesrin Horzum
- Department of Engineering Sciences; Izmir Katip Celebi University; 35620 Turkey
| | - Derya Mete
- Department of Chemistry; Izmir Institute of Technology; 35430 Turkey
| | - Erman Karakuş
- Department of Chemistry; Izmir Institute of Technology; 35430 Turkey
| | - Muhammed Üçüncü
- Department of Chemistry; Izmir Institute of Technology; 35430 Turkey
| | | | - Mustafa M. Demir
- Department of Materials Science and Engineering; Izmir Institute of Technology; 35430 Turkey
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36
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Qu Q, Wang Y, Zhang L, Zhang X, Zhou S. A Nanoplatform with Precise Control over Release of Cargo for Enhanced Cancer Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:1378-1390. [PMID: 26763197 DOI: 10.1002/smll.201503292] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/02/2015] [Indexed: 06/05/2023]
Abstract
The development of a nanocarrier delivery system having both sufficient stability in blood circulation and a rapid drug release profile at target sites remains a major challenge in cancer therapy. Here, a multifunctional star-shaped micellar system with a precisely spatiotemporal control of releasing encapsulated agents is developed by mixing a photoinitiated crosslinking amphiphilic copolymer with a phenylboronic acid (PBA)-functionalized redox-sensitive amphiphilic copolymer for the first time. The combination of the functional polymers effectively resolves the contradiction that the micellar system cannot release the rapid drug release in cells when it possesses an extreme stability that is often required in blood circulation. In this system, the inner core polymers are photo-crosslinked, endowing a stable micelle matrix structure; the end groups of the hydrophilic segments are decorated with PBA ligands, providing an active targeting ability; disulfide bonds in the micellar matrix impart a redox-responsive trigger for the prompt intracellular release of drugs. As a result, with a relatively low DOX dosage (2 mg kg(-1) per injection) the in vivo antitumor effect on H22-bearing BALB/c mice shows that the micelles have a high therapeutic efficacy against solid tumors while minimal side effects against normal tissues.
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Affiliation(s)
- Qianqian Qu
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Yi Wang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Lei Zhang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Xiaobin Zhang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Shaobing Zhou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
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37
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Saleem M, Yu H, Wang L, Zain-ul-Abdin, Khalid H, Akram M, Abbasi NM, Chen Y. Study on synthesis of ferrocene-based boronic acid derivatives and their saccharides sensing properties. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2015.12.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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TAKAHASHI S, SUZUKI I, NISHIYAMA T, ARAI T, SHIRAISHI Y, ANZAI JI. Electrochemical Response of Ferrocene/Phenylboronic Acid-bearing Benzoic Acids to Fructose and Glucose. BUNSEKI KAGAKU 2016. [DOI: 10.2116/bunsekikagaku.65.751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | - Iwao SUZUKI
- Faculty of Pharmacy, Takasaki University of Health and Welfare
| | | | - Toshiyuki ARAI
- Graduate School of Pharmaceutical Sciences, Tohoku University
| | - Yuma SHIRAISHI
- Graduate School of Pharmaceutical Sciences, Tohoku University
| | - Jun-ichi ANZAI
- Graduate School of Pharmaceutical Sciences, Tohoku University
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39
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Kim J, Lee YM, Kim H, Park D, Kim J, Kim WJ. Phenylboronic acid-sugar grafted polymer architecture as a dual stimuli-responsive gene carrier for targeted anti-angiogenic tumor therapy. Biomaterials 2016; 75:102-111. [DOI: 10.1016/j.biomaterials.2015.10.022] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 10/08/2015] [Indexed: 12/14/2022]
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40
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Shishkanova TV, Fitl P, Král V, Barek J. Nanoparticles functionalized with phenylboronic acid for the potentiometric detection of saccharides. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2015.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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41
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Yuan M, Tanabe I, Bernard-Schaaf JM, Shi QY, Schlegel V, Schurhammer R, Dowben PA, Doudin B, Routaboul L, Braunstein P. Influence of steric hindrance on the molecular packing and the anchoring of quinonoid zwitterions on gold surfaces. NEW J CHEM 2016. [DOI: 10.1039/c5nj03251b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The N-substituent on quinonoid zwitterions influences the molecules packing and impacts their anchoring on gold surfaces.
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42
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Wang B, Anzai JI. Recent Progress in Lectin-Based Biosensors. MATERIALS (BASEL, SWITZERLAND) 2015; 8:8590-8607. [PMID: 28793731 PMCID: PMC5458863 DOI: 10.3390/ma8125478] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 11/25/2015] [Accepted: 12/02/2015] [Indexed: 12/19/2022]
Abstract
This article reviews recent progress in the development of lectin-based biosensors used for the determination of glucose, pathogenic bacteria and toxins, cancer cells, and lectins. Lectin proteins have been widely used for the construction of optical and electrochemical biosensors by exploiting the specific binding affinity to carbohydrates. Among lectin proteins, concanavalin A (Con A) is most frequently used for this purpose as glucose- and mannose-selective lectin. Con A is useful for immobilizing enzymes including glucose oxidase (GOx) and horseradish peroxidase (HRP) on the surface of a solid support to construct glucose and hydrogen peroxide sensors, because these enzymes are covered with intrinsic hydrocarbon chains. Con A-modified electrodes can be used as biosensors sensitive to glucose, cancer cells, and pathogenic bacteria covered with hydrocarbon chains. The target substrates are selectively adsorbed to the surface of Con A-modified electrodes through strong affinity of Con A to hydrocarbon chains. A recent topic in the development of lectin-based biosensors is a successful use of nanomaterials, such as metal nanoparticles and carbon nanotubes, for amplifying output signals of the sensors. In addition, lectin-based biosensors are useful for studying glycan expression on living cells.
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Affiliation(s)
- Baozhen Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Shandong University, 44 Wenhua Xilu, Jinan 250012, China.
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
| | - Jun-Ichi Anzai
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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43
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Preparation of multilayer films consisting of glucose oxidase and poly(amidoamine) dendrimer and their stability. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3722-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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44
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45
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Affiliation(s)
- Xiaolong Sun
- Department
of Chemistry, University of Bath, Bath, BA2 7AY, United Kingdom
| | - Tony D. James
- Department
of Chemistry, University of Bath, Bath, BA2 7AY, United Kingdom
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46
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Seki T, Abe K, Nakamura K, Egawa Y, Miki R, Juni K, Seki T. Sugar-responsive pseudopolyrotaxanes and their application in sugar-induced release of PEGylated insulin. J INCL PHENOM MACRO 2015. [DOI: 10.1007/s10847-015-0504-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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47
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Seki T, Namiki M, Egawa Y, Miki R, Juni K, Seki T. Sugar-Responsive Pseudopolyrotaxane Composed of Phenylboronic Acid-Modified Polyethylene Glycol and γ-Cyclodextrin. MATERIALS 2015; 8:1341-1349. [PMID: 28788004 PMCID: PMC5455434 DOI: 10.3390/ma8031341] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 03/09/2015] [Accepted: 03/16/2015] [Indexed: 11/21/2022]
Abstract
We have designed a sugar-responsive pseudopolyrotaxane (PPRX) by combining phenylboronic acid-modified polyethylene glycol (PBA–PEG) and γ-cyclodextrin. Phenylboronic acid (PBA) was used as a sugar-recognition motif in the PPRX because PBA reacts with a diol portion of the sugar molecule and forms a cyclic ester. When D-fructose or D-glucose was added to a suspension of PPRX, PPRX disintegrated, depending on the concentration of the sugars. Interestingly, catechol does not show a response although catechol has a high affinity for PBA. We analyzed the response mechanism of PPRX by considering equilibria.
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Affiliation(s)
- Tomohiro Seki
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Misato Namiki
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Yuya Egawa
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Ryotaro Miki
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Kazuhiko Juni
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Toshinobu Seki
- Faculty of Pharmaceutical Sciences, Josai University, Keyakidai, Sakado, Saitama 350-0295, Japan.
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48
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Wang B, Anzai JI. Recent Progress in Electrochemical HbA1c Sensors: A Review. MATERIALS (BASEL, SWITZERLAND) 2015; 8:1187-1203. [PMID: 28787996 PMCID: PMC5455452 DOI: 10.3390/ma8031187] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 03/04/2015] [Accepted: 03/04/2015] [Indexed: 11/18/2022]
Abstract
This article reviews recent progress made in the development of electrochemical glycated hemoglobin (HbA1c) sensors for the diagnosis and management of diabetes mellitus. Electrochemical HbA1c sensors are divided into two categories based on the detection protocol of the sensors. The first type of sensor directly detects HbA1c by binding HbA1c on the surface of an electrode through bio-affinity of antibody and boronic acids, followed by an appropriate mode of signal transduction. In the second type of sensor, HbA1c is indirectly determined by detecting a digestion product of HbA1c, fructosyl valine (FV). Thus, the former sensors rely on the selective binding of HbA1c to the surface of the electrodes followed by electrochemical signaling in amperometric, voltammetric, impedometric, or potentiometric mode. Redox active markers, such as ferrocene derivatives and ferricyanide/ferrocyanide ions, are often used for electrochemical signaling. For the latter sensors, HbA1c must be digested in advance by proteolytic enzymes to produce the FV fragment. FV is electrochemically detected through catalytic oxidation by fructosyl amine oxidase or by selective binding to imprinted polymers. The performance characteristics of HbA1c sensors are discussed in relation to their use in the diagnosis and control of diabetic mellitus.
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Affiliation(s)
- Baozhen Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Shandong University, 44 Wenhuaxi Road, Jinan 250012, Shandong, China.
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
| | - Jun-Ichi Anzai
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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49
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Kiran S, Misra RDK. Mechanism of intracellular detection of glucose through nonenzymatic and boronic acid functionalized carbon dots. J Biomed Mater Res A 2015; 103:2888-97. [DOI: 10.1002/jbm.a.35421] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 01/13/2015] [Accepted: 02/09/2015] [Indexed: 11/06/2022]
Affiliation(s)
- S. Kiran
- Biomaterials and Macromolecular Science Laboratory, Center for Structural and Functional Materials Research and Innovation, and Department of Metallurgical and Materials Engineering; University of Texas at El Paso; 500 W. University Avenue El Paso TX 79968 USA
| | - R. D. K. Misra
- Biomaterials and Macromolecular Science Laboratory, Center for Structural and Functional Materials Research and Innovation, and Department of Metallurgical and Materials Engineering; University of Texas at El Paso; 500 W. University Avenue El Paso TX 79968 USA
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50
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Li S, Zhou Q, Chu W, Zhao W, Zheng J. Surface-enhanced Raman scattering behaviour of 4-mercaptophenyl boronic acid on assembled silver nanoparticles. Phys Chem Chem Phys 2015; 17:17638-45. [DOI: 10.1039/c5cp02409a] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
SERS properties of 4-mercaptophenylboronic acid (4-MPBA) on AgNPs were studied systematically; a self-condensation reaction of 4-MPBA, competitor of the binding of glucose, was found to preferentially happen at higher pH values.
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Affiliation(s)
- Shuangshuang Li
- College of Chemistry
- Chemical Engineering and Materials Science
- and Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou
- Soochow University
- Suzhou 215123
| | - Qun Zhou
- College of Chemistry
- Chemical Engineering and Materials Science
- and Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou
- Soochow University
- Suzhou 215123
| | - Wenya Chu
- College of Chemistry
- Chemical Engineering and Materials Science
- and Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou
- Soochow University
- Suzhou 215123
| | - Wei Zhao
- College of Chemistry
- Chemical Engineering and Materials Science
- and Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou
- Soochow University
- Suzhou 215123
| | - Junwei Zheng
- College of Chemistry
- Chemical Engineering and Materials Science
- and Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou
- Soochow University
- Suzhou 215123
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