Author

Andrew J. Ulmer

University of North Carolina at Chapel HillORCID 0009-0005-4665-7336Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Bioengineering· 2 Biophysics· 1

Signature Assays, Organisms & Methods

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Assay:imaging· 2 Research Focus:cell signaling & trafficking· 1 Approach:experimental assay· 1 Approach:microscopy & imaging analysis· 1 Approach:statistical model· 1

Frequent Co-Authors

Wesley R. LegantiD· 3 shared Alejandro ChaveziD· 1 shared Andrey V. KuznetsoviD· 1 shared Christian ArthuriD· 1 shared Daniel Edward MilkieiD· 1 shared Feifei SongiD· 1 shared Frank A. LeibfarthiD· 1 shared Hark Kyun KimiD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 22 mutual co-author links

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3 shared papersBioengineering

Wesley R. LegantORCID

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3 papers

Recent·Most cited

BioengineeringbioRxivPreprintSep 16, 2026

A custom two-in-one HIST and line-scanning confocal excitation module

Christian Arthur, Daniel Edward Milkie, Andrew J. Ulmer…·Wesley R. Legant

This paper introduces a reconfigurable microscopy module that combines HIST and line-scanning confocal techniques for versatile fluorescence imaging.

DOI 10.64898/2026.09.14.751507

imagingmicroscopy & imaging analysis

𝕏 PostBluesky

BioengineeringProceedings of the National Academy of SciencesPeer-reviewedJul 15, 2026

Hydrodynamic dispersion drives viral-cellular contact for gene delivery in porous media

Vishal Srikanth, Micah Mallory, Andrew J. Ulmer…·Yevgeny Brudno

The paper shows that hydrodynamic dispersion in porous media enhances viral-cellular collisions, improving transduction efficiency by overcoming sedimentation-diffusion limitations.

DOI 10.1073/pnas.2603906123

statistical model

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BiophysicsProceedings of the National Academy of SciencesPeer-reviewedNov 25, 2025

Measurement of cellular traction forces during confined migration

Max A. Hockenberry, Andrew J. Ulmer, Johann L. Rapp…·Wesley R. Legant

This study measures cellular traction forces during confined migration through tunable microscale geometries, revealing that softer constrictions cause greater nuclear deformation due to internal contractile forces.

10 citations

imagingexperimental assay

𝕏 PostBluesky