Publications by authors named "Christopher Ehrhardt"

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Time-Since-Deposition Signatures for Canine Blood Based on Cellular Autofluorescence.
Alysia Townsley, Gabrielle Wolfe, Madison Smith, Arianna DeCorte, Amanda Elswick Gentry, Christopher J Ehrhardt

Vet Sci· December 2025

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Preliminary assessment of three quantitative approaches for estimating time-since-deposition from autofluorescence and morphological profiles of cell populations from forensic biological samples.
Amanda Elswick Gentry, Sarah Ingram, M Katherine Philpott, Kellie J Archer, Christopher J Ehrhardt

PLoS One· November 2023

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Differentiation of vaginal cells from epidermal cells using morphological and autofluorescence properties: Implications for sexual assault casework involving digital penetration.
Sarah Ingram, Arianna DeCorte, Amanda Elswick Gentry, M Katherine Philpott, Taylor Moldenhauer, Christopher J Ehrhardt

Forensic Sci Int Genet· September 2023

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Differentiation of vaginal cells from epidermal cells using morphological and autofluorescence properties: Implications for sexual assault casework involving digital penetration.
Sarah Ingram, Arianna DeCorte, Amanda Gentry, M Katherine Philpott, Taylor Moldenhauer, Christopher J Ehrhardt

bioRxiv· March 2023

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Use of hormone-specific antibody probes for differential labeling of contributor cell populations in trace DNA mixtures.
Jennifer M Miller, Christin Lee, Sarah Ingram, Vamsi K Yadavalli, Susan A Greenspoon, Christopher J Ehrhardt

Int J Legal Med· November 2022

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-Nitrosothiol-Impregnated Silicone Catheter for Colorimetric Sensing of Indole and : Toward On-Body Detection of Urinary Tract Infections.
Brock Brady, Wuwei Li, Nashwan Farooque, Christopher Ehrhardt, Mark E Meyerhoff

ACS Sens· June 2022

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3D Printing of Antibacterial Polymer Devices Based on Nitric Oxide Release from Embedded -Nitrosothiol Crystals.
Wuwei Li, Yuanhang Yang, Christopher J Ehrhardt, Nastassja Lewinski, David Gascoyne

ACS Appl Bio Mater· October 2021

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Technical note: Survey of extracellular and cell-pellet-associated DNA from 'touch'/trace samples.
Mekhi Miller, M Katherine Philpott, Anita Olsen, Mary Tootham, Vamsi K Yadavalli, Christopher J Ehrhardt

Forensic Sci Int· January 2021

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Atomic force microscopy as a biophysical tool for nanoscale forensic investigations.
Vamsi K Yadavalli, Christopher J Ehrhardt

Sci Justice· January 2021

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Nanoscale visualization of extracellular DNA on cell surfaces.
Anita Olsen, Christopher J Ehrhardt, Vamsi K Yadavalli

Anal Sci Adv· October 2020

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Open source software tool for the automated detection and characterization of epithelial cells from trace biological samples.
Anita Olsen, Mekhi Miller, Vamsi K Yadavalli, Christopher J Ehrhardt

Forensic Sci Int· July 2020

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Chitosan Stabilized Silver Nanoparticles for the Electrochemical Detection of Lipopolysaccharide: A Facile Biosensing Approach for Gram-Negative Bacteria.
Muhammad Imran, Christopher J Ehrhardt, Massimo F Bertino, Muhammad R Shah, Vamsi K Yadavalli

Micromachines (Basel)· April 2020

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Nanoscale Phenotypic Textures of Across Environmentally-Relevant Matrices.
Kanwal M Iqbal, Massimo F Bertino, Muhammed R Shah, Christopher J Ehrhardt, Vamsi K Yadavalli

Microorganisms· January 2020

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Synthesis of chitosan coated metal organic frameworks (MOFs) for increasing vancomycin bactericidal potentials against resistant S. aureus strain.
Iqra Ghaffar, Muhammad Imran, Samina Perveen, Tasmina Kanwal, Salim Saifullah, Christopher J Ehrhardt

Mater Sci Eng C Mater Biol Appl· December 2019

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Customizable 3D printed diffusion chambers for studies of bacterial pathogen phenotypes in complex environments.
Lyddia Wilson, Kanwal Mohammad Iqbal, Terrie Simmons-Ehrhardt, Massimo F Bertino, Muhammed Raza Shah, Christopher J Ehrhardt

J Microbiol Methods· July 2019

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Evaluation of Bluestar Forensic Magnum and Other Traditional Blood Detection Methods on Bloodstained Wood Subjected to a Variety of Burn Conditions.
Autumn R Vineyard, Eric J Hazelrigg, Christopher J Ehrhardt, Catherine C Connon

J Forensic Sci· May 2019

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Rapid differentiation of epithelial cell types in aged biological samples using autofluorescence and morphological signatures.
Emily R Brocato, M Katherine Philpott, Catherine C Connon, Christopher J Ehrhardt

PLoS One· December 2018

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Simplification of complex DNA profiles using front end cell separation and probabilistic modeling.
Nancy A Stokes, Cristina E Stanciu, Emily R Brocato, Christopher J Ehrhardt, Susan A Greenspoon

Forensic Sci Int Genet· September 2018

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Open-Source Tools for Dense Facial Tissue Depth Mapping of Computed Tomography Models.
Terrie Simmons-Ehrhardt, Catyana Falsetti, Anthony B Falsetti, Christopher J Ehrhardt

Hum Biol· January 2018

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Nanoscale characterization of forensically relevant epithelial cells and surface associated extracellular DNA.
Congzhou Wang, Cristina E Stanciu, Christopher J Ehrhardt, Vamsi K Yadavalli

Forensic Sci Int· August 2017

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Analysis of cellular autofluorescence in touch samples by flow cytometry: implications for front end separation of trace mixture evidence.
M Katherine Philpott, Cristina E Stanciu, Ye Jin Kwon, Eduardo E Bustamante, Susan A Greenspoon, Christopher J Ehrhardt

Anal Bioanal Chem· July 2017

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Nanoscale imaging and hydrophobicity mapping of the antimicrobial effect of copper on bacterial surfaces.
Congzhou Wang, Christopher J Ehrhardt, Vamsi K Yadavalli

Micron· September 2016

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The effect of growth temperature on the nanoscale biochemical surface properties of Yersinia pestis.
Congzhou Wang, Cristina E Stanciu, Christopher J Ehrhardt, Vamsi K Yadavalli

Anal Bioanal Chem· August 2016

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Flow cytometry dataset for cells collected from touched surfaces.
Ye Jin Kwon, Cristina E Stanciu, M Katherine Philpott, Christopher J Ehrhardt

F1000Res· March 2016

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Analysis of red autofluorescence (650-670nm) in epidermal cell populations and its potential for distinguishing contributors to 'touch' biological samples.
Cristina E Stanciu, M Katherine Philpott, Eduardo E Bustamante, Ye Jin Kwon, Christopher J Ehrhardt

F1000Res· February 2016

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