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DC Field | Value | Language |
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dc.contributor.author | Gupta, Karunesh Kumar | - |
dc.contributor.author | Gupta, Raj Kumar | - |
dc.contributor.author | Manjuladevi, V. | - |
dc.date.accessioned | 2023-02-27T09:21:07Z | - |
dc.date.available | 2023-02-27T09:21:07Z | - |
dc.date.issued | 2020-12 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0927776520306913 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9350 | - |
dc.description.abstract | Silver nanoparticles (AgNPs) exhibit excellent anti-microbial and bactericidal properties. Due to bacterial abhorrence for AgNPs, it is difficult to develop a label-free, sensitive and low-cost bacteria sensor using them. In the present article, we report that an ultrathin and uniform Langmuir–Schaefer (LS) film of AgNPs can be employed for bacteria sensing effectively as compared to that of non-uniform and randomly distributed AgNPs in spin coated film. The uniformly distributed AgNPs in the LS film offer a relatively larger contact surface for bacteria as compared to that of spin coated film. Due to higher contact surface, adsorption of the bacteria on LS film is strongly preferable as compared to that of spin coated film leading to an enhanced sensing performance of the LS film than that of spin coated film. Soil bacteria was grown by the standard protocol and were utilized as model system for bacteria sensing application. The soil bacteria sensing was done by monitoring the piezoresponse and dissipation parameters using a quartz crystal microbalance, simultaneously. Our study indicates that the LS film of AgNPs not only facilitates the adsorption of the soil bacteria but also kills them. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.subject | EEE | en_US |
dc.subject | Silver nanoparticles | en_US |
dc.subject | Langmuir–Schaefer film | en_US |
dc.subject | Soil bacteria | en_US |
dc.subject | Piezoelectric and dissipation response | en_US |
dc.subject | Sensing | en_US |
dc.title | Facile ultrathin film of silver nanoparticles for bacteria sensing | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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