2025 Group Photo
Two-Channel Pneumatically-Assisted Microfluidic Probe for nano-DESI Imaging
Instrument development of Ion Soft-Landing Systems
Nano-DESI imaging of isomeric lipids via online photochemical derivatization of C=C Bonds
Journal article in Angewandte Chemie
Staying Warm in our Parafilm Blankets
Farewell for Daisy and Hang
Ion Soft-Landing Instrument
July 2025
Ilyas presented his work at the Purdue Summer Undergraduate Research Symposium.
Julia presented a talk at the 8th Frontiers in Metal Oxide Cluster Science (FMOCS) Conference in Mainz, Germany.
June 2025
Congratulations to Dr. Michael Espenship for successfully defending his thesis!
Congratulations to Ronnie on recieving the Eastern Analytical Symposium Undergraduate Award. He will attend the symposium in Plainsboro, NJ in November to present his work!
The group attended the ASMS General Conference in Baltimore, MD to present their work. Bethany, Tommy, and Nazifa gave oral presentations of their research, while other attendees presented posters.
May 2025
Julia gave a keynote lecture at the UM/Agilent Measurement Science Symposium in Ann Arbor.
Julia gave a talk at the 8th Single Cell Proteomics Conference (SCP2025) in Boston.
Julia gave two lectures at the University of North Dakota as the 2025 Abbott Chemistry Lecture Series speaker.
Overview
Our research at the interface of physical and analytical chemistry is focused on the advanced development of preparative and analytical mass spectrometry for applications in materials synthesis, imaging and chemical analysis of biological systems at a subcellular level, and environmental sciences.
Contact Us:
We are located on the 5th floor of the Brown Building
BRWN 5131A (Julia's office)
BRWN 5129/5133 (student/postdoc offices)
BRWN 5125/5135 (Labs)
Shipping/Mailing Address:
Department of Chemistry
Purdue University
560 Oval Drive
West Lafayette, IN 47907-2084
Phone: (765) 494-5464
Email: jlaskin@purdue.edu
Recent Publications
Multimodal Nano-DESI Mass Spectrometry Imaging Reveals Phospholipids Accumulation in and around Amyloid Plaques in Alzheimer's Disease
Yang, M., Tang, X., Iqfath, M., Hernly, E., Unsihuay, D., Manchanda, P., Sharma, K., Qu, Z., Hu, H., Beveridge, C., Chopra, G., Laskin, J. ACS Chem. Neurosci. (2025).
https://doi.org/10.1021/acschemneuro.5c00144
Constant Distance Mode Mass Spectrometry Imaging with a Confocal Sensor
Zhang, T., Hilger, R. T., Jiang, L.-X., Laskin, J. Anal. Chem, 97, 14116-14120 (2025).
https://doi.org/10.1021/acs.analchem.5c00742
High-spatial-resolution mass spectrometry imaging of biological tissues using a microfluidic probe
Jiang, L.-X., Li, X. Polack, M., Belder, D., Laskin, J. Nature Protocols, (2025).
https://doi.org/10.1038/s41596-025-01188-y
Discovery of a Ferromagnetic Nickel Chalcogenide Nanocluster Ni3S3H(PEt3)5
Li, X., Wu, X., Dilley, N., Gholipour-Ranjbar, H., Lee, S., Zemlyanov, D., Fang, H., Jena, P., Laskin, J. Small. 21, 2500070 (2025).
https://doi.org/10.1002/smll.202500070
Universal Photosensitizer for Isomer-Selective Lipid Imaging with High Molecular Coverage
Amer, S., Unsihuay, D., Yang, M., Laskin, J. Anal. Chem. 97, 7071-7078 (2025).