Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Charles J. Choi"'
Publikováno v:
Lab Chip. 12:574-581
In medical facilities, there is strong motivation to develop detection systems that can provide continuous analysis of fluids in medical tubing used to either deliver or remove fluids from a patient's body. Possible applications include systems that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9e75210c276397c2a643144083ee22d
https://doi.org/10.1039/c2lc20586f
https://doi.org/10.1039/c2lc20586f
Publikováno v:
IEEE Sensors Journal. 9:1697-1704
We demonstrate a photonic crystal integrated microfluidic chip that is compatible with a 384-well microplate format for measuring kinetic reaction rate constants in high-throughput biomolecular interaction screening applications. The device enables l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60502614e4371b7d959f8dba3ab04bf4
https://doi.org/10.1109/jsen.2009.2030666
https://doi.org/10.1109/jsen.2009.2030666
Autor:
Charles J. Choi, Maria F. Pineda, Mark S. Kuhlenschmidt, Leo Li-Ying Chan, Theresa B. Kuhlenschmidt, Brian T. Cunningham
Publikováno v:
IEEE Sensors Journal. 9:470-477
A rapid, label-free assay using photonic crystal biosensors for the direct detection of intact viable rotaviruses is demonstrated. This paper describes the design and operation of the biosensor, surface functionalization with anti-rotavirus antibody,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db4841878db60b4dcf96b11c92f31c7f
https://doi.org/10.1109/jsen.2009.2014427
https://doi.org/10.1109/jsen.2009.2014427
Autor:
Stephen Semancik, Charles J. Choi
Publikováno v:
Optics express. 21(23)
In this paper, we report on experimental and theoretical studies that investigate how the structural properties of plasmonic nanodome array devices determine their optical properties and sensing performance. We examined the effect of the interdome ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbea6eea5bcd9a1624dd421a3dd97c3a
https://pubmed.ncbi.nlm.nih.gov/24514341
https://pubmed.ncbi.nlm.nih.gov/24514341
Autor:
Zhida Xu, Manas R. Gartia, Charles J. Choi, Jing Jiang, Yi Chen, Brian T. Cunningham, Gang Logan Liu
Anomalous surface enhanced Raman scattering (SERS) peaks are identified for liquid sample stored in polypropylene centrifuge tubes (PP tube) for months. We observed the unexpected Raman peaks during experiments for Thiamine Hydrochloride aqueous solu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d633c6ce7faa711b9db5a576b39f3610
Autor:
Steve Semancik, Charles J. Choi
Publikováno v:
2013 IEEE SENSORS.
This work describes a label-free, optical sensor system fabricated on a flexible plastic film with dual detection modalities: surface-enhanced Raman scattering (SERS) for specific chemical identification and localized surface plasmon resonance (LSPR)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af3f3af8bd53c5f297d731841c0f2559
https://doi.org/10.1109/icsens.2013.6688128
https://doi.org/10.1109/icsens.2013.6688128
Autor:
Charles J. Choi, Stephen Semancik
Publikováno v:
Nanoscale. 5(17)
The characteristics and utility of plasmonic nanodome arrays capable of supporting multiple resonance modes are described. A low-cost, large-area replica molding process is used to produce, on flexible plastic substrates, two-dimensional periodic arr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab8f8fb7c45f268442e1f80f0f86cb4c
https://pubmed.ncbi.nlm.nih.gov/23884400
https://pubmed.ncbi.nlm.nih.gov/23884400
Publikováno v:
Conference on Lasers and Electro-Optics 2012.
The optical properties and surface-enhanced Raman scattering (SERS) of plasmonic nanodome array (PNA) substrates in air and aqueous solution are investigated. PNA substrates are inexpensively and uniformly fabricated with a hot spot density of 6.25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72943c62c2b7ae1983e1dc34b3f7bcb2
https://doi.org/10.1364/cleo_si.2012.cm3b.2
https://doi.org/10.1364/cleo_si.2012.cm3b.2
Publikováno v:
Frontiers in Optics 2011/Laser Science XXVII.
Replica-molded silver nanodomes on flexible substrates are embedded into tubing for SERS-based detection of chemicals flowing through the tubing. Applications include detection of intravenously delivered drugs and urinary metabolites in catheters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8512d3a4ba30eeb85b4edc8150d92c5f
https://doi.org/10.1364/fio.2011.ftuc5
https://doi.org/10.1364/fio.2011.ftuc5
Publikováno v:
2010 IEEE Sensors.
We demonstrate a surface-enhanced Raman scattering substrate consisting of a closely spaced metal nanodome array fabricated on flexible plastic film. We used a low cost, large area replica molding process to produce a 2-dimensional periodic array of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c39a57af4d83ab2ff836f49e0746f06
https://doi.org/10.1109/icsens.2010.5690241
https://doi.org/10.1109/icsens.2010.5690241