Staff information
Kevin Zemaitis
Chemist
Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-88
Richland, WA 99352
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PNNL Publications
2025
- Velickovic M., L. Kadam, J. Kim, K. Zemaitis, D. Velickovic, Y. Gao, and R. Wu, et al. 2025. "Advanced multi-modal mass spectrometry imaging reveals functional differences of placental villous compartments at microscale resolution." Nature Communications 16:Art. No. 2061. PNNL-SA-201502. doi:10.1038/s41467-025-57107-y
- Zemaitis K., J.M. Fulcher, R. Kumar, D.J. Degnan, L.A. Lewis, Y. Liao, and M. Velickovic, et al. 2025. "Spatial top-down proteomics for the functional characterization of human kidney." Clinical Proteomics 22:Art. No. 9. PNNL-SA-193767. doi:10.1186/s12014-025-09531-x
2024
- Berrios L., G.D. Bogar, L. Bogar, A. Monterio Venturini, C.E. Willing, A.A. Del Rio, and T. Ansell, et al. 2024. "Ectomycorrhizal fungi alter soil food webs and the functional potential of bacteria communities." mSystems 9, no. 6:Art. No. e00369-24. PNNL-SA-192775. doi:10.1128/msystems.00369-24
- Kumar R., K. Zemaitis, J.M. Fulcher, and L. Pasa-Tolic. 2024. "Advances in mass spectrometry-enabled multiomics analyses at single-cell resolution." Current Opinion in Biotechnology 87. PNNL-SA-194867. doi:10.1016/j.copbio.2024.103096
- Velickovic D., K. Zemaitis, A. Bhattacharjee, and C.R. Anderton. 2024. "Mass spectrometry imaging of natural carbonyl products directly from agar-based microbial interactions using 4-APEBA derivatization." mSystems 9, no. 1:Art. No. e00803-23. PNNL-SA-184809. doi:10.1128/msystems.00803-23
- Velickovic D., T.E. Winkler, V. Balasubramanian, T.W. Wietsma, C.R. Anderton, A. Ahkami, and K. Zemaitis. 2024. "RhizoMAP: a comprehensive, nondestructive, and sensitive platform for metabolic imaging of the rhizosphere." Plant Methods 20, no. _:Art. No. 117. PNNL-SA-199579. doi:10.1186/s13007-024-01249-5
2023
- Degnan D.J., K. Zemaitis, L.A. Lewis, L. McCue, L.M. Bramer, J.M. Fulcher, and D. Velickovic, et al. 2023. "IsoMatchMS: Open-Source Software for Automated Annotation and Visualization of High Resolution MALDI-MS Spectra." Journal of the American Society for Mass Spectrometry 34, no. 9:2061-2064. PNNL-SA-184623. doi:10.1021/jasms.3c00180
- Liao Y., J.M. Fulcher, D.J. Degnan, S.M. Williams, L.M. Bramer, D. Velickovic, and K. Zemaitis, et al. 2023. "Spatially resolved top-down proteomics of tissue sections based on a microfluidic nanodroplet sample preparation platform." Molecular & Cellular Proteomics 22, no. 2:Art. No. 100491. PNNL-SA-174522. doi:10.1016/j.mcpro.2022.100491
- Pires A.P., M. Garcia-Perez, M.V. Olarte, W.R. Kew, A.J. Schmidt, K. Zemaitis, and M.D. Denson, et al. 2023. "Comparison of the Chemical Composition of Liquids from the Pyrolysis and Hydrothermal Liquefaction of Lignocellulosic Materials." Energy and Fuels 37, no. 10:7221-7236. PNNL-SA-174549. doi:10.1021/acs.energyfuels.2c03239
- Vandergrift G.W., K. Zemaitis, D. Velickovic, J.K. Lukowski, L. Pasa-Tolic, C.R. Anderton, and W.R. Kew. 2023. "Experimental Assessment of Mammalian Lipidome Complexity Using Multimodal 21 T FTICR Mass Spectrometry Imaging." Analytical Chemistry 95, no. 29:10921-10929. PNNL-SA-181642. doi:10.1021/acs.analchem.3c00518
- Zemaitis K., M. Zhou, W.R. Kew, and L. Pasa-Tolic. 2023. "193 nm ultraviolet photodissociation for the characterization of singly charged proteoforms generated by MALDI." Journal of the American Society for Mass Spectrometry 34, no. 2:328-332. PNNL-SA-176946. doi:10.1021/jasms.2c00302
- Zemaitis K., V.S. Lin, A. Ahkami, T.E. Winkler, C.R. Anderton, and D. Velickovic. 2023. "Expanded Coverage of Phytocompounds by Mass Spectrometry Imaging Using On-Tissue Chemical Derivatization by 4-APEBA." Analytical Chemistry 95, no. 35:12701-12709. PNNL-SA-179568. doi:10.1021/acs.analchem.3c01345
2022
- Zemaitis K., D. Velickovic, W.R. Kew, K.L. Fort, M. Reinhardt-Szyba, A. Pamreddy, and Y. Ding, et al. 2022. "Enhanced Spatial Mapping of Histone Proteoforms in Human Kidney Through MALDI-MSI by High-Field UHMR Orbitrap Detection." Analytical Chemistry 94, no. 37:12604-12613. PNNL-SA-170716. doi:10.1021/acs.analchem.2c01034