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Robert C. DunnView profile

Professor

• Analytical Chemistry
• Biophysics
• Optical Microscopy
• +5 more

Robert C. Dunn is a Professor in the Department of Chemistry at the University of Kansas, where he leads an active research group focused on developing novel optical and spectroscopic techniques for chemical and biological analysis. His laboratory specializes in single-molecule detection methods, high-resolution microscopy, and advanced capillary electrophoresis systems. Professor Dunn's research interests span analytical chemistry, biophysics, and nanotechnology. His group develops instrumentation including backscatter interferometry, near-field scanning optical microscopy, and scanning resonator microscopy to study biological systems at the nanoscale. Key research areas include membrane biophysics (investigating lipid domains and protein dynamics), nuclear pore complex function, and the development of ultrasensitive detection methods for clinical diagnostics and biochemical analysis. His recent publications demonstrate strong focus on miniaturized separation and detection platforms, particularly high-speed capillary electrophoresis systems integrated with novel optical detection schemes. Research trends show advancement towards point-of-care diagnostic tools, with innovations in refractive index sensing, femtoliter-volume detection, and label-free biosensing applications. Professor Dunn mentors graduate and undergraduate researchers in his group, with current students including Prabhavie Opallage (graduate student), Stanslaus M Kariuki (undergraduate), and Mei Ling Upp (undergraduate). His laboratory is developing new chemical analysis approaches using optical techniques including whispering gallery mode sensing, scanning resonator microscopy, and single-molecule fluorescence imaging.

Lingjun LiView profile

Professor

• Bioanalytical Chemistry
• Mass Spectrometry
• Neuropeptidomics
• +5 more

Lingjun Li is a Professor of Pharmaceutical Sciences and Chemistry at the University of Wisconsin–Madison , where she leads a multidisciplinary research program at the intersection of analytical chemistry, neuroscience, and biomedical discovery. Her work is centered in the School of Pharmacy and spans the Department of Pharmaceutical Sciences and Department of Chemistry . Education: B.E., 1992 – Beijing Polytechnic University (China) Ph.D., 2000 – University of Illinois at Urbana-Champaign Postdoctoral Fellow, 2000–2002 – Pacific Northwest National Laboratory, Brandeis University, and University of Illinois at Urbana-Champaign Research Focus: Professor Li’s laboratory pioneers bioanalytical mass spectrometry and microseparation technologies to decode the neuropeptidome —the complex landscape of signaling peptides in the nervous system. By integrating chemical labeling , capillary electrophoresis , nanoLC , and tandem MS , her team uncovers novel neuropeptides in crustacean models and translates these findings to mammalian systems, including Alzheimer’s disease biomarker discovery , neuroprotective astrocyte secretomes , and zebrafish cardiotoxicity . Publication Trends: From 2023–2025, her group has published extensively on neuropeptide identification , post-translational modifications , mass spectrometry imaging , and quantitative proteomics , with a strong emphasis on methodological innovation (e.g., EndoGenius, TEMI, DiLeu labeling) and disease-relevant applications in cancer, neurodegeneration, and metabolic disorders. Scientific Awards: While specific awards are not listed in the provided text, her prolific publication record and leadership in analytical chemistry underscore significant recognition within the field. Collaborations & Funding: Her research is bolstered by interdisciplinary collaborations across neurobiology, bioinformatics, and clinical sciences, supported by grants that drive technological advancement and biological discovery. Laboratory & Team: The Li Group operates a state-of-the-art facility for mass spectrometry and microfluidics , fostering a collaborative environment for graduate students, postdocs, and visiting scholars.

Joseph J PesekView profile

Professor

• Analytical Chemistry
• Chromatography
• Separation Science
• +3 more

Joseph J. Pesek is a Professor of Chemistry at San José State University (SJSU) within the College of Science. He has held roles including Associate Dean for Graduate Studies and Research (2000–2003) and Chair of the Chemistry Department (1988–1996). His academic journey includes a Ph.D. in Analytical Chemistry from UCLA (1970) and postdoctoral research at UCLA (1970–1971). Prof. Pesek’s research focuses on chromatographic separation media, particularly stationary phases for High-Performance Liquid Chromatography (HPLC) and Open Tubular Capillary Electrochromatography (OTCEC). Key innovations include hydrosilation-based surface modifications and etched capillary columns for bioanalytical applications. His collaborative work extends to institutions like Monash University (Australia), Aix-Marseille University (France), and Ecole Polytechnique (Paris). He has secured significant funding, including NSF grants (e.g., $750K SJSU/IBM GOALI Program) and NIH support. With 172+ publications and 75+ advised graduate students, his contributions span material science, analytical chemistry, and separation science. He serves as an Associate Editor for the Journal of Separation Science and mentors through NIH’s MBRS program. The W.M. Keck Facility for Chemical Research at SJSU supports his research endeavors. Notable grants include the W.M. Keck Foundation’s $500K equipment grant (2000–2002) and NIH’s $220,921 evaluation of microseparation techniques (2000–2004). His work emphasizes practical applications in pharmaceutical and biochemical analyses.

• Neuropsychiatric Disorders
• Developmental Neurobiology
• Serotonin Signaling
• +3 more

Mark Ansorge , PhD, is Associate Professor of Clinical Neurobiology (in Psychiatry) at Columbia University's College of Physicians and Surgeons. His research investigates developmental origins of neuropsychiatric disorders through multi-disciplinary approaches integrating mouse genetics , pharmacogenetics , and optogenetics . Education : MS in Biochemistry (University of Potsdam, Germany), PhD in Neurobiology (Free University of Berlin, Germany), Postdoc (Columbia University, USA) Dr. Ansorge's work focuses on serotonin signaling during critical developmental windows and its long-term impacts on emotional and cognitive behaviors. His lab has demonstrated that early-life perturbations in 5-HT systems lead to persistent changes in raphe nuclei , hippocampus , and medial prefrontal cortex circuitry, linking these alterations to increased adult vulnerability for depression and anxiety disorders . Recent publications highlight his expanding scope into gut-brain axis interactions (2025) and adolescent dopamine transporter manipulation (2023). While primarily using mouse models , his work maintains translational relevance through collaborations with clinical researchers.