Aaron R Hawkins
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Explore the profile of Aaron R Hawkins including associated specialties, affiliations and a list of published articles.
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90
Citations
656
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Recent Articles
11.
Sampad M, Amin M, Hawkins A, Schmidt H
IEEE Photonics J
. 2021 Dec;
14(1).
PMID: 34900090
Integrated optofluidic biosensors can fill the need for sensitive, amplification-free, multiplex single molecule detection which is relevant for containing the spread of infectious diseases such as COVID-19. Here, we demonstrate...
12.
Amin M, Ganjalizadeh V, Hamblin M, Hawkins A, Schmidt H
IEEE Photonics Technol Lett
. 2021 Nov;
33(16):884-887.
PMID: 34744399
Optofluidic sensors have enabled single molecule sensing using planar, waveguide dependent multi-spot fluorescence excitation. Here, we demonstrate a new approach to single-particle fluorescence sensing using free-space, top-down illumination of liquid-core...
13.
Sampad M, Zhang H, Yuzvinsky T, Stott M, Hawkins A, Schmidt H
Biosens Bioelectron
. 2021 Sep;
194:113588.
PMID: 34474277
Ultrasensitive, versatile sensors for molecular biomarkers are a critical component of disease diagnostics and personalized medicine as the COVID-19 pandemic has revealed in dramatic fashion. Integrated electrical nanopore sensors can...
14.
Avila S, Tolley H, Iverson B, Hawkins A, Johnson S, Lee M
Anal Chem
. 2021 Aug;
93(34):11785-11791.
PMID: 34406737
This paper compares dynamic (i.e., temporally changing) thermal gradient gas chromatography (GC) to temperature-programmed GC using a previously published stochastic transport model to simulate peak characteristics for the separation of...
15.
Wright Jr J, Amin M, Schmidt H, Hawkins A
Biosensors (Basel)
. 2021 Aug;
11(7).
PMID: 34356697
Optofluidic flow-through biosensors are being developed for single particle detection, particularly as a tool for pathogen diagnosis. The sensitivity of the biosensor chip depends on design parameters, illumination format (side...
16.
Wright Jr J, Amin M, Meena G, Schmidt H, Hawkins A
J Lightwave Technol
. 2021 Jun;
39(10):3330-3340.
PMID: 34177078
We present a model and simulation for predicting the detected signal of a fluorescence-based optical biosensor built from optofluidic waveguides. Typical applications include flow experiments to determine pathogen concentrations in...
17.
Meena G, Wright Jr J, Hawkins A, Schmidt H
IEEE J Sel Top Quantum Electron
. 2021 May;
27(5).
PMID: 33994767
High sensitivity and easy integration with microfabrication techniques has made silicon photonics one of the leading technologies used to build biosensors for diagnostic applications. Here we introduce a new silicon...
18.
Stambaugh A, Parks J, Stott M, Meena G, Hawkins A, Schmidt H
Proc Natl Acad Sci U S A
. 2021 May;
118(20).
PMID: 33947795
The urgency for the development of a sensitive, specific, and rapid point-of-care diagnostic test has deepened during the ongoing COVID-19 pandemic. Here, we introduce an ultrasensitive chip-based antigen test with...
19.
Avila S, Tolley H, Iverson B, Hawkins A, Porter N, Johnson S, et al.
Anal Chem
. 2021 Apr;
93(17):6739-6745.
PMID: 33885280
This paper compares static (i.e., temporally unchanging) thermal gradient gas chromatography (GC) to isothermal GC using a stochastic transport model to simulate peak characteristics for the separation of C12-C14 hydrocarbons...
20.
Wright Jr J, Schmidt H, Hawkins A
J Lightwave Technol
. 2021 Mar;
38(22):6280-6285.
PMID: 33776196
Silica waveguides are often etched by reactive ion etch (RIE) processes. These processes can leave residual topography that can increase optical loss. We investigated the relation between optical loss and...