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Kevin D. Welsher

Robert R. & Katherine B. Penn Associate Professor
Chemistry
Box 90348, Durham, NC 27708
2213 French Science Center, Durham, NC 27705

Current Duke Appointments & Affiliations


Robert R. & Katherine B. Penn Associate Professor · 2023 - Present Chemistry, Trinity College of Arts & Sciences
Associate Professor of Chemistry · 2023 - Present Chemistry, Trinity College of Arts & Sciences
Director of Graduate Studies in the Department of Chemistry · 2023 - Present Chemistry, Trinity College of Arts & Sciences

Recent News Items


Published February 16, 2023
Two Trinity Faculty Named 2023 Sloan Research Fellows
Published November 10, 2022
Watch a Virus in the Moments Right Before it Attacks
Published June 22, 2017
3D Virus Cam Catches Germs Red-Handed

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Recent Scholarly Works


In situ polymer nanoparticle densitometry via real-time 3D single-particle tracking.

Journal article The Journal of chemical physics · July 2026 Single-particle techniques have the potential to measure the heterogeneous dynamics at the nanoscale within reaction mixtures. However, new tools are needed to gain insight into the molecular structure of evolving chemical systems at the single-particle le ... Full text Cite

3D Single-Virus Tracking: Advances in Methodology and Labeling Strategies Towards Probing the Virus-Epithelium Interaction.

Journal article Viruses · April 2026 The epithelium represents the first line of defense against viral infection, yet the precise mechanisms by which viruses penetrate this complex barrier remain incompletely understood. Single-virus tracking (SVT) has emerged as a powerful fluorescence micro ... Full text Cite

Super-Resolving Particle Diffusion Heterogeneity in Porous Hydrogels via High-Speed 3D Active-Feedback Single-Particle Tracking Microscopy.

Journal article Small (Weinheim an der Bergstrasse, Germany) · October 2025 Nanoparticle diffusion in 3D porous structures is critical to understanding natural and synthetic systems but remains underexplored due to limitations in traditional microscopy methods. Here, 3D Single-Molecule Active-feedback Real-time Tracking (3D-SMART) ... Full text Cite
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Recent Grants


Pharmacological Sciences Training Program

Inst. Training Prgm or CMEPreceptor · Awarded by National Institutes of Health · 2025 - 2030

Sloan Research Fellowship

ResearchPrincipal Investigator · Awarded by Alfred P. Sloan Foundation · 2023 - 2027

Unraveling the Viral Infection Pathway with Virus-locked Observation

ResearchPrincipal Investigator · Awarded by National Institute of General Medical Sciences · 2017 - 2027

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Education


Stanford University · 2010 Ph.D.
Emory University · 2005 B.Sc.