Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Thomas L. Ferrell"'
1
Investigation of Acetone Vapour Sensing Properties of a Ternary Composite of Doped Polyaniline, Reduced Graphene Oxide and Chitosan Using Surface Plasmon Resonance Biosensor
Autor: Thomas L. Ferrell, O. Aldaghri, Fabrice Meriaudeau, Fahad Usman, John Ojur Dennis, E.M. Mkawi, Yas Al-Hadeethi, Abdelmoneim Sulieman
Publikováno v: Polymers
Volume 12
Issue 11
Polymers, Vol 12, Iss 2750, p 2750 (2020)
This work reports the use of a ternary composite that integrates p-Toluene sulfonic acid doped polyaniline (PANI), chitosan, and reduced graphene oxide (RGO) as the active sensing layer of a surface plasmon resonance (SPR) sensor. The SPR sensor is i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62dc75a1336f6632731a3be67a37cbc8
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2
Green's function for a sharpened and metal-coated dielectric probe
Autor: Thomas L. Ferrell, Gong Gu, Vineet Khullar, Ali Passian
Publikováno v: Applied optics. 57(9)
In apertureless scanning-probe optical microscopy and in the case of more traditional scanned optical probes coated with a metal that is thin near the probe tip (in lieu of an aperture), samples are probed via interaction between the probe and surfac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbf0299092544317ae1b6b4dc9541d3a
https://pubmed.ncbi.nlm.nih.gov/29604004
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5
Photothermal spectroscopy of Bacillus anthracis and Bacillus cereus with microcantilevers
Autor: Edward T. Arakawa, Thomas Thundat, Thomas L. Ferrell, A. Wig, Ali Passian
Publikováno v: Sensors and Actuators B: Chemical. 114:206-211
Microcalorimetric optical and infrared spectroscopy is a method of determining the spectral absorption of small quantities of materials over a wide range of incident wavelengths. In this paper, the first spectroscopic results for microcantilevers coa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d724d91e440ae3a4dd1e2e0ec9c08977
https://doi.org/10.1016/j.snb.2005.04.029
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6
Ethanol vapor detection in aqueous environments using micro-capacitors and dielectric polymers
Autor: D. L. McCorkle, Sanjay V. Patel, Todd E. Mlsna, Thomas L. Ferrell, S. R. Hunter, Robert J. Warmack
Publikováno v: Sensors and Actuators B: Chemical. 107:892-903
A technique for the measurement of ethanol concentrations in aqueous mixtures is reported, in which a permeable membrane is used to transport ethanol vapors to a microelectromechanical (MEMS) chemi-capacitor array. The fixed plate micro-capacitors we
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b6b9c93ea1d68535bcc6edcb1e87c8f
https://doi.org/10.1016/j.snb.2004.12.051
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7
Discerning Biomolecular Interactions Using Kelvin Probe Technology
Autor: Thomas L. Ferrell, Douglas C. Hansen, Karolyn M. Hansen, Thomas Thundat
Publikováno v: Langmuir. 19:7514-7520
Biomolecular conformational differences of oligomeric nucleic acids were discerned using scanning Kelvin probe (SKP) analysis in an array format on gold-coated silicon substrates. Variations in work function, measured as contact potential difference,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa0ac3720521040dca7e5a3b35f02c0e
https://doi.org/10.1021/la034333w
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8
Dynamics of self-driven microcantilevers
Autor: Sherwin Kouchekian, Thomas Thundat, Govindarajan Muralidharan, Thomas L. Ferrell, Suman Cherian, Adosh Mehta, Ali Passian
Publikováno v: Journal of Applied Physics. 91:4693-4700
The small amplitude thermal vibrations of the microcantilever of an atomic force microscope can be enhanced via a delayed feedback system. This is verified experimentally for a triangular cantilever, and modeled theoretically as a boundary value prob
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b08f807bb1ca6193a80d55043ab1304
https://doi.org/10.1063/1.1452771
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9
Guided propagation in a step-index, multi-mode fiber: effect of index difference variation on allowable TM propagation constants
Autor: Todd R. Downey, Thomas L. Ferrell, A. Wig, Ali Passian, Fabrice Meriaudeau
Publikováno v: Optics & Laser Technology. 31:273-277
The eAect of variation of core and cladding index diAerence, Dna ncorencladding, on allowable values for the guided mode transverse magnetic propagation constants within a step-index, multi-mode optical fiber is investigated. We use a iterative compu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::291fe4de05bea1b04a38333c98f64392
https://doi.org/10.1016/s0030-3992(99)00056-0
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10
Imaging with the Photon Scanning-Tunneling Microscope
Autor: Ali Passian, Jean-Pierre Goudonnet, Fabrice Meriaudeau, Thomas L. Ferrell, A. Wig
Publikováno v: Microscopy Today. 7:14-17
The use of traditional optics in microscopy has a well-known resolution barrier first presented by Lord Rayleigh. This is the "Rayleigh diffraction limit." In the usual textbook example, the overlapping diffraction rings from two small objects are se
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c91b3dc1ec2787bedb8ede812621b144
https://doi.org/10.1017/s1551929500064269
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