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Biocompatible carbon dots derived from κ-carrageenan and phenyl boronic acid for dual modality sensing platform of sugar and its anti-diabetic drug release behavior

Detection of sugar by enzymatic assay has been suffering from costly, time-taking, instable and denaturation of glucose oxidase. Recently, chemosensors that have affinity towards boronate became the hot topic in the domain of monosaccharide detection. In this work, a novel strategy was addressed to...

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Published in:International journal of biological macromolecules 2019-07, Vol.132, p.316-329
Main Authors: Das, Poushali, Maity, Priti Prasanna, Ganguly, Sayan, Ghosh, Sabyasachi, Baral, Joydeep, Bose, Madhuparna, Choudhary, Sumita, Gangopadhyay, Subhashis, Dhara, Santanu, Das, Amit Kumar, Banerjee, Susanta, Das, Narayan Chandra
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cited_by cdi_FETCH-LOGICAL-c368t-1679c475e977bbdaf44c8bd5f0b2530ddb47ac69500119e3c11726ebcf0518533
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container_title International journal of biological macromolecules
container_volume 132
creator Das, Poushali
Maity, Priti Prasanna
Ganguly, Sayan
Ghosh, Sabyasachi
Baral, Joydeep
Bose, Madhuparna
Choudhary, Sumita
Gangopadhyay, Subhashis
Dhara, Santanu
Das, Amit Kumar
Banerjee, Susanta
Das, Narayan Chandra
description Detection of sugar by enzymatic assay has been suffering from costly, time-taking, instable and denaturation of glucose oxidase. Recently, chemosensors that have affinity towards boronate became the hot topic in the domain of monosaccharide detection. In this work, a novel strategy was addressed to fabricate carbon dots (C-dots) from linear sulfated polysaccharides κ- carrageenan and phenyl boronic acid for nonenzymatic monosaccharide (glucose) detection. The boronic acid group anchored C-dots surface can form assembly by covalently bonded with the cis-diol moiety of the glucose which caused fluorescence quenching of the C-dots. The inert surface nature of the luminescent C-dots enables them to sense as low as 1.7 μM glucose without the interference of other biomolecules. The proposed sensing system was successfully applied for assay of glucose in blood serum. Interestingly, these C-dots were used as a nano vehicle for delivery of anti-diabetic drug Metformin. Good biocompatibility results were found with MTT and hemolysis assay. Owing to its simplicity and effectiveness, the as-prepared C-dots offered great promise for blood sugar diagnosis and treatment. [Display omitted] •Novel boron and sulphur co-doped carbon dots (BSC-dots) with high quantum yield were synthesized.•The BSC-dots showed bluish green fluorescence and excellent photostability.•BSC-dots possessed ultrasensitive detection of sugar in both solution and human serum samples.•Biocompatibility results were studied with MTT and hemolysis assay.•The anti-diabetic drug binding and delivery suggested excellent nano-vehicle like performance of BSC-dots.
doi_str_mv 10.1016/j.ijbiomac.2019.03.224
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subjects Carbon dots
Drug delivery
Glucose sensor
Hemolysis
Photoluminescence
title Biocompatible carbon dots derived from κ-carrageenan and phenyl boronic acid for dual modality sensing platform of sugar and its anti-diabetic drug release behavior
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