A Biomimetic Sensor Array Based on a Single Fluorescent Block-copolymer for the Pattern Recognition of Proteins Article Swipe

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Shunsuke Tomita , Hiroka Sugai , Sayaka Ishihara , Takuya Hosokai , Ryoji Kurita ·

YOU? · · 2020 · Open Access · · DOI: https://doi.org/10.1246/cl.200438

A strategy for easily constructing a sensor array that mimics a biological sensory mechanism, i.e., a so-called chemical tongue, based on a single material is reported. An array of aqueous solutions of a cationic block-copolymer modified with an environmentally responsive fluorophore can convert information from the pH-dependent polymer–protein interactions into patterns of fluorescence change. This chemical tongue allowed discriminating (i) 16 different proteins and (ii) mixtures containing various compositions of disease-marker proteins. A sensor array that mimics the biosensory mechanism, i.e., a so-called chemical tongue, was constructed using a single cationic block-copolymer (polyethylene glycol-block-poly-l-lysine) that contains an environmentally responsive fluorophore. This sensor array can convert information from the pH-dependent polymer–protein interactions into patterns of fluorescence change, thus allowing the identification of 16 different proteins and the compositions of disease-marker protein mixtures.

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Chemistry Fluorophore Copolymer Fluorescence Cationic polymerization Sensor array Biomolecule Polymer Aqueous solution Polyethylene glycol Molecular recognition Combinatorial chemistry Biophysics Polymer chemistry Biochemistry Molecule Organic chemistry Computer science Biology Machine learning Physics Quantum mechanics

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Type: article
Language: en
Landing Page: https://doi.org/10.1246/cl.200438
PDF: https://www.journal.csj.jp/doi/pdf/10.1246/cl.200438
OA Status: bronze
Cited By: 1
References: 26
Related Works: 10
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DOI: https://doi.org/10.1246/cl.200438

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Title: A Biomimetic Sensor Array Based on a Single Fluorescent Block-copolymer for the Pattern Recognition of Proteins

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Language: en

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Publication year: 2020

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Publication date: 2020-09-03

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Authors: Shunsuke Tomita, Hiroka Sugai, Sayaka Ishihara, Takuya Hosokai, Ryoji Kurita

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Landing page: https://doi.org/10.1246/cl.200438

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Concepts: Chemistry, Fluorophore, Copolymer, Fluorescence, Cationic polymerization, Sensor array, Biomolecule, Polymer, Aqueous solution, Polyethylene glycol, Molecular recognition, Combinatorial chemistry, Biophysics, Polymer chemistry, Biochemistry, Molecule, Organic chemistry, Computer science, Biology, Machine learning, Physics, Quantum mechanics

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Cited by: 1

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