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UID:0-7885@eng.ufl.edu
DTSTART;TZID=America/New_York:20251118T090000
DTEND;TZID=America/New_York:20251118T100000
DTSTAMP:20251201T182921Z
URL:https://www.eng.ufl.edu/news-events/events/che-2025-fall-seminar-serie
 s-5/
SUMMARY:ChE 2025 Fall Seminar Series
DESCRIPTION:Speaker: Jeffrey M. Halpern\, Professor Department of Chemical 
 Engineering and Bioengineering and the Department of Chemistry\, Universit
 y of New Hampshire\nTitle: In Situ Surface Impedance Evaluation of Dynamic
  Polymer-Modified Surfaces\nAbstract :The SEEDS (Surface Enhanced Electroc
 hemical Diagnostic Sensors) laboratory is developing new sensor platforms 
 for a range of applications including disease diagnosis and process analyt
 ical technology. Electrochemical biosensors are typically limited in selec
 tivity or sensitivity due to inadequate surface interactions between the a
 nalyte and sensor. Our lab monitors surface interactions with Electrochemi
 cal Impedance Spectroscopy (EIS)\, a highly sensitive electrochemical tech
 nique used to passively monitor surface changes and interactions. Our lab 
 also focuses on improving the stability\, reproducibility\, and reusabilit
 y of sensors.\nWe have primarily been using EIS without redox mediators to
  evaluate dynamic changes of surface polymers over long periods of time. W
 e will present the rationale of moving to non-redox mediated solutions\, a
 nd our progress towards interpreting these signals.\nWe will present sever
 al test cases. One test case\, we will look at the stability of self-assem
 bled monolayers. Another test case\, we will look at surface-bound elastin
 -like polymers as a stimuli biosensor. We will report our progress towards
  using these surface\, reproducible modification protocols\, and the elect
 rochemical response of the stimulus behavior.\nFinally\, we will briefly d
 iscuss future directions of the SEEDS lab in an effort to discover new col
 laborations. New directions can include different uses of the above paradi
 gms\, and educational research ideas towards bettering neurodiverse underg
 raduate mentoring practices across neurodiversity and K-12 education.\nThi
 s work is funded by NSF EPSCoR (2119237).\nBio: Prof. Jeffrey M. Halpern (
 he/him) earned his PhD in Chemical Engineering in 2010 at Case Western Res
 erve University (CWRU) in Chemical Engineering. Halpern pursued a first po
 stdoc (2011-2012) funded through an NIH NRSA fellowship at CWRU in Biomedi
 cal Engineering under the mentorship of Dr. Horst von Recum. He pursued a 
 second postdoc through Fulbright and Lady Davis Fellowships (2013-2014) in
  Israel at the Technion in the Department of Chemical Engineering under th
 e mentorship of Dr. Hossam Haick. Halpern joined the Department of Chemica
 l Engineering and Bioengineering at the University of New Hampshire (UNH) 
 in 2014\, received Tenure in 2020\, and was promoted to the rank of Profes
 sor in 2023. Halpern prides himself on his student mentoring\; he has ment
 ored a wide diversity of students including over 50 undergraduates and sum
 mer interns\, 10 graduate students\, and 3 post doctorates. As part of the
 se efforts\, he was recently awarded the UNH Innovator of the Year award i
 n 2023\, the inaugural UNH College of Engineering and Physical Sciences Ou
 tstanding Mentor Award\, the Educator’s Award from LEAP for Education in
  2019\, and the Herb Epstein award for Technical Programing from AICHE in 
 2022. Halpern is heavily engaged with service by serving as Chair of the U
 NH Faculty Senate in 2024-2025\, currently serves as member-at-large on th
 e Executive Board of the Programming committee of American Institute of Ch
 emical Engineers\, and Vice Chair of the Organic and Biological Electroche
 mistry Division of the Electrochemical Society. Halpern currently leads an
  EPSCoR Track II team towards designing in-line protein sensors in biomanu
 facturing settings across NH\, AL\, ME\, and WY (#2119237).\nGroup Website
 : https://sites.google.com/view/seedslab/
CATEGORIES:Events
LOCATION:NEB 202\, 1064 CENTER DR Bldg #: 0033\, Gainesville\, Florida\, 32
 611\, United States
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 \, Gainesville\, Florida\, 32611\, United States;X-APPLE-RADIUS=100;X-TITL
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