Immobilization of Bovine Serum Albumin Upon Multiwall Carbon Nanotube for High Speed Humidity Sensing Application

Sankhya Bhattacharya; Milan Sasmal

doi:10.1109/TNB.2015.2511622

Immobilization of Bovine Serum Albumin Upon Multiwall Carbon Nanotube for High Speed Humidity Sensing Application

Sankhya Bhattacharya, Milan Sasmal

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We present a high-speed humidity sensor based on immobilization of bovine serum albumin upon multiwall carbon nanotube (IBC). A simple and versatile drop casting technique was employed to make the humidity sensor using novel material IBC at room temperature. IBC was synthesized using easy solution process technique. The working principle of the IBC humidity sensor depends upon the variation of output current or conductance with the exposure of different humidity level. Humidity sensing properties of our device is explained on the basis of charge transfer from water molecules to IBC and bovine serum albumin to multiwall carbon nanotube (MWCNT). Our sensor exhibits faster response time around 1.2 s and recovery time 1.5 s respectively.

Original language	English
Article number	7364269
Pages (from-to)	27-33
Number of pages	7
Journal	IEEE Transactions on Nanobioscience
Volume	15
Issue number	1
DOIs	https://doi.org/10.1109/TNB.2015.2511622
Publication status	Published - 01-01-2016
Externally published	Yes

All Science Journal Classification (ASJC) codes

Biotechnology
Bioengineering
Medicine (miscellaneous)
Biomedical Engineering
Pharmaceutical Science
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/TNB.2015.2511622

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abstract = "We present a high-speed humidity sensor based on immobilization of bovine serum albumin upon multiwall carbon nanotube (IBC). A simple and versatile drop casting technique was employed to make the humidity sensor using novel material IBC at room temperature. IBC was synthesized using easy solution process technique. The working principle of the IBC humidity sensor depends upon the variation of output current or conductance with the exposure of different humidity level. Humidity sensing properties of our device is explained on the basis of charge transfer from water molecules to IBC and bovine serum albumin to multiwall carbon nanotube (MWCNT). Our sensor exhibits faster response time around 1.2 s and recovery time 1.5 s respectively.",

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Immobilization of Bovine Serum Albumin Upon Multiwall Carbon Nanotube for High Speed Humidity Sensing Application

Abstract

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