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Detection of bovine serum albumin using hybrid TiO2 + graphene oxide based Bio - resistive random access memory device.


ABSTRACT: Bio - molecules detection and their quantification with a high precision is essential in modern era of medical diagnostics. In this context, the memristor device which can change its resistance state is a promising technique to sense the bio - molecules. In this work, detection of the Bovine Serum Albumin (BSA) protein using resistive switching memristors based on TiO2 and TiO2?+?graphene oxide (GO) is explored. The sensitivity of BSA detection is found to be 4?mg/mL. Both the devices show an excellent bipolar resistive switching with an on/off ratio of 73 and 100 respectively, which essentially demonstrates that the device with GO, distinguishes the resistance states with a high precision. The enhanced performance in the GO inserted device (~?650 cycles) is attributed to the prevention of multi-dimensional and random growth of conductive paths.

SUBMITTER: Sahu DP 

PROVIDER: S-EPMC6834672 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Detection of bovine serum albumin using hybrid TiO<sub>2</sub> + graphene oxide based Bio - resistive random access memory device.

Sahu Dwipak Prasad DP   Jammalamadaka S Narayana SN  

Scientific reports 20191106 1


Bio - molecules detection and their quantification with a high precision is essential in modern era of medical diagnostics. In this context, the memristor device which can change its resistance state is a promising technique to sense the bio - molecules. In this work, detection of the Bovine Serum Albumin (BSA) protein using resistive switching memristors based on TiO<sub>2</sub> and TiO<sub>2</sub> + graphene oxide (GO) is explored. The sensitivity of BSA detection is found to be 4 mg/mL. Both  ...[more]

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