Index Catalog // ScholarsArchive@OSU

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

Creator:: Kremer, Matthew H.
Abstract:: Electrospinning and electrospray are both nano-scale material fabrication techniques, based on related phenomena of electrically charged fluid spray from a droplet of liquid. Material is dissolved in liquid, then a spray is generated by applying a high voltage, creating an electric field, between the fluid dispensing capillary and a grounded...
Resource Type:: Masters Thesis
Full Text:: . Vincent Remcho, whose support, encouragement, and mentorship has shaped me both professionally and

Colorimetric analysis of creatinine in whole blood and urine in a novel paper/polycaprolactone microfluidic device

Creator:: Pommerenck, Joel, Heist, Christopher A., and Remcho, Vincent T.
Abstract:: A novel approach for the colorimetric detection of creatinine in a paper/polycaprolactone hybrid microfluidic device using alkaline3,5-dinitrobenzoate (DNB) is described. The reaction parameters of reagent concentration, alkalinity, and analysis time are optimized for fast reaction times and high color yield. Microfluidic devices incorporating this assay are designed and fabricated to...
Resource Type:: Poster
Full Text:: *, Christopher A. Heist†, and Vincent T. Remcho‡ (Primary Author/Undergraduate RA*, Senior Graduate RA†, and PI

A (3-Aminopropyl)triethoxysilane (APTES) and Glutaraldehyde Functionalized Cellulose Surface for Immunoassays

Creator:: Harley, William
Abstract:: The detection of biomolecules is critical for clinical diagnostics but requires specialty labor and high cost. The use of microfluidic paper-based analytical devices (µPADs) for bioassays is simpler and cheaper but has low sensitivity. Improved immobilization of antibodies onto cellulose is demonstrated through surface functionalization with APTES and glutaraldehyde. The...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Vincent Remcho The detection of biomolecules is critical for clinical diagnostics but requires

Fabrication and application of polymer based microfluidic devices

Creator:: Koesdjojo, Myra T.
Abstract:: The concept of reducing laboratory operations in scale such that they fit on a microfluidic chip has been met with great enthusiasm. Lab-on-a-chip devices promise to be cost effective to operate due to reduced reagent consumption, have the potential to offer shorter analysis times due to their short path lengths,...
Resource Type:: Dissertation
Full Text:: ACKNOWEDGEMENTS First and foremost, my deepest gratitude goes to my research advisor, Dr. Vincent Remcho

Improvements in synthesis and response techniques of ion-selective sensors

Creator:: Pylypiuk, Nataliia
Abstract:: Two improvements to the established procedures for synthesis and response detection of ion-selective optical sensors (optodes) were introduced. The first improvement addresses the drawback of organic dye (optode-localized chromoionophore) photobleaching. This positively impacts fluorescence response and allows for (1) direct measurement of hydrogen ion activity upon binding with the dye,...
Resource Type:: Masters Thesis
Full Text:: Response Techniques of Ion-Selective Sensors. Abstract approved: Vincent T. Remcho Two

Laser patterned porous-media microfluidic analytical devices : fabrication methods and applications in bioassays

Creator:: Sumantakul, Saichon
Abstract:: The concept of reducing laboratory operations into microfluidic devices has been an attractive area of research for several decades. Due to several advantages of porous-media microfluidic devices including low mass, portability, power-free fluid transport, and the ability to store dried reagents in the porous structures, these devices show great promise...
Resource Type:: Dissertation
Full Text:: Abstract approved: ______________________________________________________ Vincent T. Remcho

Janus-Type Wicking Microfluidic Devices for Separation and Collection of Plasma from Blood

Creator:: Unitan, Linus J.
Abstract:: A simple Janus-type membrane-based wicking microfluidic device fabricated on a polycaprolactone-filled glass microfiber membrane enables separation and collection of blood plasma or serum from whole blood. This device bridges the wicking and cut-capillary-based solution transport mechanisms in a single membrane. The initial portion of the device is fabricated using selective...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Vincent Remcho A simple Janus-type membrane-based wicking

Design and Fabrication of a Polymeric Microfluidic Device for Automated

Creator:: Warner, Kelsie E.
Abstract:: Gene synthesis is an important tool in molecular biology. However, the current bench-top method of gene synthesis is a costly, time-intensive and reagent-consuming process. Lab-on-chip technology has many benefits over current bench top methods. Microchips consume smaller reagent volumes, are reusable and less expensive to make. This thesis explores the...
Resource Type:: Honors College Thesis
Full Text:: for Automated Gene Synthesis. Abstract approved: Vincent T. Remcho Gene synthesis

Centrifugal Partition Chromatography, Microfabrication, and a Smartphone-based Detection Platform : Analytical Chemistry from Preparative-scale Separation to Micro-scale Analysis

Creator:: Boonloed, Anukul
Abstract:: Analytical chemistry is an area of chemistry primarily focused on the study and use of instruments for separation, identification, and quantification of an analyte of interest. Specifically, separation science within analytical chemistry often refers to the process of dividing mixtures into their small component parts based on differences in their...
Resource Type:: Dissertation
Full Text:: . CONTRIBUTION OF AUTHORS Dr. Vincent T. Remcho assisted in writing and editing of all chapters of this

Semiconductor Nanocrystals as Detection Components in Microfluidic Analytical Systems

Creator:: Pengpumkiat, Sumate
Abstract:: Miniaturized and portable microfluidic analytical platforms have been widely explored in the broad field of chemical analysis. The concept of microfluidics offer a number of important advantages, including low reagent consumption, low-cost detection, high sample throughput, and shorter analysis time. Semiconductor nanocrystals or quantum dots have been extensively utilized in...
Resource Type:: Dissertation
Full Text:: approved: ______________________________________________________ Vincent T. Remcho

ScholarsArchive@OSU

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

Colorimetric analysis of creatinine in whole blood and urine in a novel paper/polycaprolactone microfluidic device

A (3-Aminopropyl)triethoxysilane (APTES) and Glutaraldehyde Functionalized Cellulose Surface for Immunoassays

Fabrication and application of polymer based microfluidic devices

Improvements in synthesis and response techniques of ion-selective sensors

Laser patterned porous-media microfluidic analytical devices : fabrication methods and applications in bioassays

Janus-Type Wicking Microfluidic Devices for Separation and Collection of Plasma from Blood

Design and Fabrication of a Polymeric Microfluidic Device for Automated

Centrifugal Partition Chromatography, Microfabrication, and a Smartphone-based Detection Platform : Analytical Chemistry from Preparative-scale Separation to Micro-scale Analysis

Semiconductor Nanocrystals as Detection Components in Microfluidic Analytical Systems

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