Solid-state functionalization of single-wall carbon nanotubes with hydrocarbons, including polycyclic aromatic hydrocarbons, is a potent viable approach for not only the characterization of new nano-structured materials but also the detection of polycyclic aromatic hydrocarbons at nanoscale. The proposed green functionalization process paves an insight that the molecular diffusion is directly linked with the availability of delocalized pi-electrons of hydrocarbons. The observation paves an important clue to design polycyclic aromatic hydrocarbon sensor at solid phase. © 2016 IEEE.

TAPAS BHATTACHARYYA

Geology

A SINGHA

A K DASGUPTA

University of Calcutta (informally known as Calcutta University or CU) is a collegiate public state university located in Kolkata, West Bengal, India.&nbsp;Within India it is recognized as a &quot;Five-Star University&quot; and accredited &quot;A&quot; Grade by National Assessment and Accreditation Council.

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The University of Calcutta has secured the Fifth position among the Universities of India in the prestigious &quot;Indian University Ranking 2019&quot; list, released by the NIRF of the Ministry of Human Resource Development, Government of India.

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It was established on 24 January 1857, and was one of the first institutions in Asia to be established as a multidisciplinary and Western-style university. Its alumni and faculty include several heads of state, heads of government, social reformers, prominent artists, only academy award winner and Dirac medal winner in India, many Fellows of the Royal Society and five Nobel laureates as of 2019 which is highest in South Asia.

University Of Calcutta

A Solid-State Chemistry Approach to Sense Polycyclic Aromatic Hydrocarbons From Environment Using Single-Wall Carbon Nanotubes

IEEE Sensors Journal

We report both the experimental and theoretical insights of differential electro-diffusion behavior of carbon nanomaterials (e.g. single wall, multiwall carbon nanotubes, and graphene). We thus discriminate one from the other in a soft gel system. The differential mobility of such material depends on their intrinsic properties, both extend and rate of migration bearing the discriminatory signature. The mobility analysis is made by a real time monitoring of the respective bands. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Electrophoresis

Real-time electro-diffusion method to discriminate carbon nanomaterials

Nanoscale

Reusable glucose sensing using carbon nanotube-based self-assembly

Polycyclic aromatic hydrocarbons are components of different odor molecules and they often behave as environmental toxicants. Detection of such hydrocarbons is thus important for both sensing and environmental management perspectives. A simple design for liquid state single wall carbon nanotubes (SWNTs) based nano-capacitor is proposed in this paper. This design excludes the long fabrication process (e.g. integration with field effect transistors, chemo resistors, gravimetric or optical sensors) but includes a simple cyclic voltammetry principle. The specific interaction between the respective hydrocarbons and SWNTs enables detection of hydrocarbons at a significant level of sensitivity (ppm). © 2013 Elsevier B.V. All rights reserved.

Journal of Electroanalytical Chemistry

Carbon nanotubes based supercapacitor for hydrocarbon sensing in liquid state

The interaction between single wall carbon nanotubes (SWNTs) and amphiphilic molecules has been studied in a solid phase. SWNTs are allowed to interact with different amphiphilic probes (e.g.lipids) in a narrow capillary interface. Contact between strong hydrophobic and amphiphilic interfaces leads to a molecular restructuring of the lipids at the interface. The geometry of the diffusion front and the rate and the extent of diffusion of the interface are dependent on the structure of the lipid at the interface. Lecithin having a linear tail showed greater mobility of the interface as compared to a branched tail lipid like dipalmitoyl phosphatidylcholine, indicating the hydrophobic interaction between single wall carbon nanotube core and the hydrophobic tail of the lipid. Solid phase interactions between SWNT and lipids can thus become a very simple but efficient means of discriminating amphiphilic molecules in general and lipids in particular. © 2012 IOP Publishing Ltd.

Journal	Data powered by TypesetIEEE Sensors Journal
Publisher	Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN	1530-437X