We are currently looking for postdocs and graduate students with background in organic synthesis, photochemistry, optical spectroscopy, microscopy or physics and engineering. If you are interested, send us an email.

Current group members

Sergei Vinogradov

PhD Moscow State University, 1995

Background: organic chemistry, physical chemistry

Dr. Vinogradov started his group at Penn as a research assistant professor in 2001. He received tenure in 2008 and became a full professor in 2016.

Thomas Troxler
Research Scientist

PhD University of Bern, 1992

Background: laser spectroscopy & microscopy

In the past, Dr. Troxler served as the Director of Laser Operations at the Regional Laser Biophysics Laboratory (RLBL) at Penn directed by Prof. Robin M. Hochstrasser.

Mirna El Khatib
Research Assistant Professor

PhD University of Florida, 2012

Background: organic chemistry

Linkedin: Mirna El Khatib

Dr. Mirna El Khatib worked as a postdoc in the laboratory of Prof. Gary Molander (Penn) and after a brief postdoc in our laboratory obtained NIH K25 Fellowship.

Simin Belali

PhD Arak University, 2018

Background: organic chemistry

Previously, Dr. Simin Belali worked in the group of Prof. Mathias Senge (Trinity College Dublin). She is developing hydrogels for Cherenkov-Excited Luminescence Imaging of oxygen.

Qi Sun
PhD Student

University of Pennsylvania

Area: organic chemistry

Qi Sun is a graduate of the Beijing University of Chemical Technology. He is currently working with Dr. Mirna El Khatib on the synthesis of membrane-anchored probes for oxygen.

Charlotte Monsour
MD/PhD Student

University of Pennsylvania

Area: MD/PhD

Charlotte Monsour is pursing dual MD/Chemistry PhD degree. She is working with Drs. Thomas Troxler and Mirna El Khatib on subsellular imaging of oxygen gradients.

Disha Vaswani
MS Student

University of Pennsylvania

Area: bioengineerng

Disha Vaswani graduated from Georgia Tech. She is a Penn Bioengineering MS student. Disha is working with Dr. Thomas Troxler on oxygen imaging in and near single cells.


Tova Tachau
Undergraduate Student

University of Pennsylvania

Area: organic chemistry

Tova Tachau is a Chemistry undergraduate, working with Dr. Mirna El Khatib on the synthesis of novel extended porphyrins.

Julia Park
Undergraduate Student

University of Pennsylvania

Area: organic chemistry

Julia Park is a Chemistry undergraduate, working with Qu Sun on the synthesis of new porphyrins and phthalocyanines.

Former group members

Komal Rizwan
University of Sahiwal, Pakistan, Assistant Professor

Srinivasa Rao Allu
AMPAC Fine Chemicals, Virginia, Researh Scientist

Sapna Ahuja
University of Melbourne, Postdoc

Dmitry Andrianov
Adesis, Inc, Research Scientist

Luca Ravotto
University of Zurich, Postdoc

Shane Plunkett
Johnson & Johnson, Inc, Research Scientist

Tatiana Esipova
Loyola University, Chicago, Assistant Professor

Tomoyasu Mani
University of Connecticut, Associate Professor

Emmanouil Roussakis
MGH/Harvard, Instructor

Sujatha Thyagarajan-Rochford
McDermott Will & Emery, Patent Agent

Louise Sinks
US Nano, LLC, Research Scientist

Alex Karagodov

Artem Lebedev
Trace-Ability, Inc, CTO

Sonya Apreleva
Nativo, Inc, Lead Data Scientist;  Merck & Co, Inc, Pogrammer

Raymond Briñas
FDA, Chemistry Reviewer

Olga Finikova
Global Prior Art, Inc, Project Manager

Vladimir Rozhkov

Ivo Rietveld
University of Paris Decartes, Associate Professor

Mikhail Yurchenko
Hexcel Corporation, Development Scientist

Vadim Soloviev
University College London, Research Scientist

Key collaborators

Jessica Anna
University of Pittsburgh

Paola Ceroni
University of Bologna

Andrei Cheprakov
Moscow State University

Anna Devor
Boston University

Charles Lin

Artem Masunov
University of Central Florida

Brian Pogue
University of Wisconsin- Madison

Sava Sakadžić

Joe Subotnik
University of Pennsylvania

Bruno Weber
University of Zurich

David Wilson
University of Pennsylvania

Gary Wu
University of Pennsylvania

Arjun Yodh
University of Pennsylvania