Aaron R Hawkins
Overview
Explore the profile of Aaron R Hawkins including associated specialties, affiliations and a list of published articles.
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Articles
90
Citations
656
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Recent Articles
1.
Wells T, Schmidt H, Hawkins A
Micromachines (Basel)
. 2024 Jun;
15(6).
PMID: 38930668
Particle trapping and enrichment into confined volumes can be useful in particle processing and analysis. This review is an evaluation of the methods used to trap and enrich particles into...
2.
Ganjalizadeh V, Hawkins A, Schmidt H
Optica
. 2024 May;
10(7):812-818.
PMID: 38818330
Integrated optofluidic biosensors have demonstrated ultrasensitivity down to single particle detection and attomolar target concentrations. However, a wide dynamic range is highly desirable in practice and can usually only be...
3.
Sampad M, Saiduzzaman S, Walker Z, Wells T, Wayment J, Ong E, et al.
Proc Natl Acad Sci U S A
. 2024 Apr;
121(16):e2400203121.
PMID: 38598338
Viral outbreaks can cause widespread disruption, creating the need for diagnostic tools that provide high performance and sample versatility at the point of use with moderate complexity. Current gold standards...
4.
Hamblin M, Wright J, Schmidt H, Hawkins A
Micromachines (Basel)
. 2023 Jul;
14(4).
PMID: 37420956
Optofluidic biosensors have become an important medical diagnostic tool because they allow for rapid, high-sensitivity testing of small samples compared to standard lab testing. For these devices, the practicality of...
5.
Allred P, Christie E, Song Y, Austin D, Chiang S, Hawkins A
Rev Sci Instrum
. 2023 Apr;
94(3):034104.
PMID: 37012798
This paper outlines the use of charge detection mass spectrometry to simultaneously measure the charge and mass of micron-sized particles. In a flow-through instrument, the detection of charge was achieved...
6.
Ganjalizadeh V, Meena G, Stott M, Hawkins A, Schmidt H
Sci Rep
. 2023 Mar;
13(1):4744.
PMID: 36959357
Multiplexed detection of biomarkers in real-time is crucial for sensitive and accurate diagnosis at the point of use. This scenario poses tremendous challenges for detection and identification of signals of...
7.
Walker Z, Wells T, Belliston E, Walker S, Zeller C, Sampad M, et al.
Biosensors (Basel)
. 2022 Sep;
12(9).
PMID: 36140075
We demonstrate an optofluidic device which utilizes the optical scattering and gradient forces for particle trapping in microchannels featuring 300 nm thick membranes. On-chip waveguides are used to direct light...
8.
Hamilton E, Ganjalizadeh V, Wright J, Pitt W, Schmidt H, Hawkins A
Microfluid Nanofluidics
. 2022 Jun;
23(11).
PMID: 35664662
3D hydrodynamic focusing was implemented with channel cross-section dimensions smaller than 10 μm. Microchannels were formed using sacrificial etching of two photoresist layers on a silicon wafer. The photoresist forms...
9.
Walker Z, Wells T, Belliston E, Romney S, Walker S, Sampad M, et al.
Micromachines (Basel)
. 2022 May;
13(5).
PMID: 35630187
We demonstrate a method for fabricating and utilizing an optofluidic particle manipulator on a silicon chip that features a 300 nm thick silicon dioxide membrane as part of a microfluidic...
10.
Ganjalizadeh V, Meena G, Wall T, Stott M, Hawkins A, Schmidt H
Nat Commun
. 2022 Feb;
13(1):1035.
PMID: 35210454
Many sensors operate by detecting and identifying individual events in a time-dependent signal which is challenging if signals are weak and background noise is present. We introduce a powerful, fast,...