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Search Publications by: Kavita Jeerage (Fed)

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Displaying 1 - 25 of 27

Concentration of Ignitable Liquid Residue from Simulated Fire Debris by Dynamic Vapor Microextraction: Sensitivity to Instrument Settings and Debris Characteristics

July 6, 2023
Author(s)
Jennifer Berry, Mary Gregg, Amanda Koepke, Reta Newman, Kavita Jeerage
Dynamic vapor microextraction (DVME) is a potential method for the extraction and concentration of ignitable liquid (IL) residue in fire debris. This low flow rate, purge-and-trap headspace concentration method collects IL vapors onto a chilled adsorbent

The need for multicomponent gas standards for breath biomarker analysis

July 7, 2022
Author(s)
Kavita Jeerage, Jennifer Berry, Jacolin Murray, Cassie Goodman, Paulina Piotrowski, Christina Jones, Christina Cecelski, Jennifer Carney, Katrice Lippa, Tara Lovestead
Exhaled breath is a non-invasive, information-rich matrix with the potential to diagnose or monitor disease, including infectious disease. Despite significant effort dedicated to biomarker identification in case control studies, very few breath tests are

Dynamic vapor microextraction of ignitable liquid from casework containers

April 25, 2022
Author(s)
Jennifer Berry, Mary Gregg, Adam Friss, Amanda Koepke, Chris Suiter, Reta Newman, Megan Harries, Kavita Jeerage
Dynamic vapor microextraction (DVME) is a headspace concentration method that can be used to collect ignitable liquid (IL) from fire debris onto chilled adsorbent capillaries. Unlike passive headspace concentration onto activated carbon strips (ACSs) that

Gold Nanoparticle Quantitation by Whole Cell Tomography

November 13, 2015
Author(s)
Aric W. Sanders, Kavita M. Jeerage, Cindi Schwartz, Alexandra Curtin, Ann C. Chiaramonti Debay
Many proposed biomedical applications for engineered gold nanoparticles require their incorporation by mammalian cells in specific numbers and locations. Here, the number of gold nanoparticles inside of individual mammalian stem cells was characterized

Localization and Number of Au Nanoparticles in Optically Indexed Cells by FIB Tomography

August 2, 2015
Author(s)
Aric W. Sanders, Kavita M. Jeerage, Ann C. Chiaramonti Debay, Alexandra Curtin
Gold nanoparticles (GNPs) are gaining importance as therapeutic chemical delivery vehicles, medical diagnostic tools, phototherapeutic and contrast enhancement agents. GNPs are uniquely suited for these biological uses because of their chemical stability

Stability and phase transfer of catalytically active platinum nanoparticle suspensions

May 9, 2015
Author(s)
Indira Sriram, Alexandra Curtin, Ann C. Chiaramonti Debay, Lauren F. Greenlee, Kavita M. Jeerage
In this work, we present a robust synthesis protocol for platinum nanoparticles that yields a monomodal dispersion of particles that are approximately 100 nm in diameter. We determine that these particles are actually agglomerates of much smaller particles

Citrate-stabilized gold nanoparticles do not impact neural progenitor cell development

January 5, 2015
Author(s)
Kavita M. Jeerage, Tammy L. Oreskovic, Alexandra Curtin, Aric W. Sanders, Rani K. Schwindt, Ann C. Chiaramonti Debay
Gold nanoparticles are promising candidates for medical diagnostics and therapeutics, due to their chemical stability, optical properties, and ease of functionalization. Citrate-stabilized gold nanoparticle reference materials also have potential as

Multiscale Correlative Measurements of Nanoparticles in Cells

August 26, 2014
Author(s)
Aric W. Sanders, Kavita M. Jeerage, Cindi Schwartz, Alexandra E. Curtin, Ann C. Chiaramonti Debay
Nanoparticles are emerging as invaluable tools in disease diagnosis, disease treatment and imaging contrast enhancement agents. The interactions of nanoparticles with host organisms are complex and affect biological systems over length scales that vary

Three-Dimensional Hydrogel Constructs for Dosing Cells with Nanoparticles

January 13, 2014
Author(s)
Elisabeth Mansfield, Tammy L. Oreskovic, Nikki S. Rentz, Kavita M. Jeerage
In evaluating nanoparticle risks to human health, there is often a disconnect between results obtained from in vitro toxicology studies and in vivo activity, prompting the need for improved methods to rapidly assess the hazards of engineered nanomaterials

Functionalized Nanoparticle Release and Distribution in PEG Hydrogel Delivery Systems

July 18, 2012
Author(s)
Stephanie L. Hume, Jenifer L. Blacklock, Kavita M. Jeerage
Nanoparticles have emerged as a promising therapeutic tool due to their unique physicochemical properties and tunable biological interactions. Delivery of therapeutic nanoparticles can be enhanced locally through standard drug-delivery platforms, such as

Electrochemical measurement of diffusion in photopolymerized polyethylene glycol (PEG) hydrogels

October 29, 2010
Author(s)
Kavita M. Jeerage, Stephanie M. LaNasa, Holly A. Hughes, Damian S. Lauria, Stephanie J. Bryant, Andrew J. Slifka
Scanning electrochemical microscopy has been used to examine the molecular transport properties of photopolymerized poly(ethylene glycol) (PEG) hydrogels having different mesh sizes. Both the molecular weight (508 Da or 3000 Da) of the PEG diacrylate

Tissue Engineered Scaffolds for Screening Nanoparticle - Cell Interactions

April 21, 2010
Author(s)
Kavita M. Jeerage, Elisabeth Mansfield, Tammy L. Oreskovic, Nikki S. Rentz, Timothy P. Quinn
Long-term studies of nanoparticle-cell interactions require an advanced tissue-like environment in which nanoparticles are encapsulated with a population of cells for real-time and end-point analysis. By using soft tissue-mimicking hydrogels, the cells are