Author

Usama Choudhry

University of California, Santa BarbaraORCID 0000-0002-7694-5022Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Assay:cryo-EM· 1 Assay:electronic health records· 1

Frequent Co-Authors

A. C. BartnikiD· 2 shared Anthony W. P. FitzpatrickiD· 2 shared C. J. R. DuncaniD· 2 shared Chaim Sallah· 2 shared Daniel X. DuiD· 2 shared Ding‐Shyue YangiD· 2 shared Ebrahim NajafiiD· 2 shared Jared M. MaxsoniD· 2 shared

Activity by Year

2025-2025 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersBiophysics

A. C. BartnikORCID

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2 papers

Recent·Most cited

Development of an ultrafast pulsed ponderomotive phase plate for cryo-electron tomography

Daniel X. Du, A. C. Bartnik, C. J. R. Duncan, Usama Choudhry, Tanya Tabachnik, Chaim Sallah, Ebrahim Najafi, Ding‐Shyue Yang, Jared M. Maxson, Anthony W. P. Fitzpatrick

This paper develops an ultrafast pulsed ponderomotive phase plate to enhance contrast in cryo-ET by synchronizing electron packets with laser pulses.

Structural Dynamics · Jul 1, 2025Peer-reviewedBiophysics

Pulsed laser lensing for phase modulation in electron microscopy

Daniel X. Du, Adam Bartnik, Cameron Duncan, Usama Choudhry, Tanya Tabachnik, Chaim Sallah, Yuki Ogawa, Ebrahim Najafi, Ding‐Shyue Yang, Jared M. Maxson, Anthony W. P. Fitzpatrick

This paper demonstrates pulsed laser lensing to modulate electron beam phase in microscopy, achieving a 430 rad phase shift and angular deflection of 45 microrad.

bioRxiv · Jun 12, 2025 · PreprintBiophysics