ChemE Briefs

Welcome to ChemE Briefs, a place to find quick notes and posts from the faculty, students, staff and alumni of the Department of Chemical Engineering at the University of Virginia.

    UVA Researcher Contributes Expertise to Company’s Industrial Hemp Studies

    July 21, 2020

    UVA associate professor of chemical and biomedical engineering Bryan Berger is providing his expertise in hemp research to an industrial gases company.

    Berger is collaborating with Air Products to study the benefits of cryogenic freezing on cannabinoids found in industrial hemp from the time of harvest through extraction and final processing, according to a company news release.

    “Through this work with Air Products, the team anticipates studying cryogenic processing profiles that will address knowledge gaps and provide best practices to maximize value immediately transferrable to hemp growers and processors seeking to optimize their product yield,” Berger said in the release.

    As part of the research, Berger will work closely with the cryogenic freezing technology lab at Air Products’ headquarters in Pennsylvania to study the effects of using liquid cryogens such as liquid nitrogen on the quantification, chemical composition and profiles of cannabinoids found in hemp used in industrial and medical applications.

    Berger and other industrial hemp researchers at UVA work with state, academic, private and non-profit partners to develop new approaches for processing hemp into products. He has experience in design, extraction, formulation and biomanufacturing of biologics and natural products. Berger and UVA Lewis & Clark Professor of Biology Michael P. Timko co-founded Fiacre Enterprises, which provides high-quality seeds and expertise to industrial hemp growers. He is also the co-founder of Lytos Technologies, a start-up developing biopesticides for organic agricultural.

    Links to websites external to the University of Virginia should not be considered endorsement of those websites or any information contained therein.

    Publisher Releases Second Edition of Professor’s Practical Guide to Protein Separations at Industrial Scale

    July 21, 2020
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    Textbook publisher Wiley has just released the second edition of Protein Chromatography: Process Development and Scale-Up, co-written by UVA Engineering’s Lawrence R. Quarles Professor of Chemical Engineering Giorgio Carta. First published in 2010, the book warranted an update 10 years later.

    Carta, an internationally recognized leader in preparative and process chromatography education and research, wrote the book with biotechnology professor Alois Jungbauer of the University of Natural Resources and Life Sciences in Vienna, Austria. Chromatography encompasses techniques for separating mixtures of chemical or biological substances into individual components.

    The text partially grew out of a two-week short course Carta and Jungbauer developed and taught for many years at their respective universities. The course and the book were designed for engineers, scientists and technical managers, as well as students, seeking a deeper understanding of chromatographic processes and their scale-up, particularly in pharmaceutical manufacturing where achieving purity of drug ingredients is critically important.

    Carta noted that many advances occurred in the field since the first edition came out. The update includes work by several alumni who have trained in his UVA lab over the years, he said.

    Wiley describes the book as “an all-in-one practical guide on how to efficiently use chromatographic separation methods,” noting, “this fully updated and revised new edition offers comprehensive coverage of continuous chromatography and provides readers with many relevant examples from the biopharmaceutical industry.”

    Chemical Engineering’s Jonathan Zheng Is a 2020 School of Engineering Outstanding Student

    May 14, 2020


    As Jonathan Zheng concludes a highly distinguished undergraduate career, it is safe to say his star has shone brightly at UVA Engineering. The graduating fourth-year chemical engineering major’s latest accomplishment is the coveted School of Engineering Outstanding Student Award. The award is given to a student or students — typically graduating fourth-years — who have demonstrated outstanding academic performance, leadership and service. It is one of UVA Engineering’s highest student honors.

    Letteri Lab Ph.D. Student Wins Chemical Engineering’s DuPont Student Safety Award

    April 15, 2020
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    Mara K. Kuenen, a Ph.D. student in assistant professor Rachel Letteri’s research group, has won the 2020 Chemical Engineering DuPont Student Safety Award.

    DuPont provided a gift to fund the annual award to promote safety in research labs. Students can submit a proposal for improving safety or apply for the award based on ideas that have been implemented.

    Kuenen’s fellow Ph.D. student Stephanie Guthrie nominated her to the Department of Chemical Engineering Safety and Security Committee, commending Kuenen’s commitment to laboratory safety, teaching others about safe working practices — particularly with regard to polymer materials — and to communicating hazards and hazard mitigation strategies with her colleagues, including undergraduate students.

    In an email to Kuenen notifying her of the award, Geoffrey M. Geise and George Prpich, faculty members on the committee that made the selection, cited Guthrie’s nomination.

    Guthrie noted Kuenen’s commitment to a culture of laboratory safety, which she wrote is “based on understanding safety hazards and their mitigation — not merely on enforcement of a fixed set of rules.”

    “It is clear that your efforts have made a positive impact on several of your colleagues and ChE students at UVA,” Geise and Prpich wrote to Kuenen.

    The award includes a $1,000 cash prize and an invitation to speak during the department’s annual safety seminar in August, to which Kuenen has said she is happy to contribute.

    “I’m honored that Stephanie took the time to nominate me,” Kuenen said. “And, I’m glad that I have contributed to the safety culture for the students in the undergrad lab.”

    ChemE Presenters Adjust as UVA Graduate Engineering Research Symposium Goes Online

    April 04, 2020

    UVA Engineering and the Department of Chemical Engineering, like the rest of world, is coping with the COVID-19 pandemic in large measure by conducting classes, meetings and as much research as possible online. The Graduate Engineering Student Council’s 16th annual University of Virginia Graduate Engineering Research Symposium is no exception. The symposium, known as UVERS, will go on as planned on April 7, except that it will be conducted through webinars. Details and registration information may be found here.

    As in the past, presenters for each UVA Engineering department were selected through a competitive process based on submitted research abstracts. One podium presenter and three poster presenters from each department will compete for prizes ranging in value from $100 to $1,000. Additionally, the posters will be available for viewing April 7-14 in the online poster gallery, and participants and attendees are encouraged to cast their vote for the People’s Choice Award here.


    Naomi Miyake (left), a Ph.D. student in William Mynn Thornton Professor Robert J. Davis’ catalysis lab, will represent chemE in the podium session, presenting her research, “Understanding the role of Ag and ZrO2 in the catalytic activity of the Ag/ZrO2/SiO2 catalyst for the ethanol to butadiene reactions.”

    ChemE students presenting in the poster sessions are:

    Beverly Miller (Steven J. Caliari lab): “Addressing a Clinical Need: Tissue Engineering to Improve Pelvic Organ Prolapse Repair”

    Devanshi Gupta (Gary Koenig lab): “Analysis of Chemical and Electrochemical Lithiation/Delithiation of a Lithium-Ion Cathode Material”

    Prince Verma (Gaurav Giri lab): “Controlling the orientation of NU-1000 crystals”

    There also will be a Young Professional Panel comprised mostly of recent Ph.D. alumni, including Zachary Young, a former member of Davis’ lab who now works for Exxon Mobil.

    Geise Group’s Undergraduate Battery Research Project Gets Lift From Virginia Space Grant Consortium

    April 03, 2020

    The Virginia Space Grant Consortium recently awarded the Geise Research Group a grant to support an undergraduate research project. Under the direction and mentorship of assistant professor of chemical engineering Geoffrey M. Geise, undergraduate students will work with graduate researchers in Geise’s lab to investigate a new approach to designing polymer electrolyte membranes to make lithium-sulfur (Li-S) batteries viable for space applications. The project will focus on engineering advanced membranes to be used as battery separators in extreme environments. Batteries made using advanced technologies are expected to be a critical part of addressing space-based energy storage needs associated with NASA’s Artemis Mission for moon and Mars exploration.


    Trigon Engineering Society Invites ChemE Department Chair to Speak at Annual Award Dinner

    February 07, 2020

    Professor and chair of the Department of Chemical Engineering at the University of Virginia Bill Epling was the invited speaker at the Thomas E. Hutchinson Award Dinner on Jan. 25, presented by the Trigon Engineering Society. In his remarks, Epling highlighted the uniqueness of the UVA School of Engineering, the importance of teaching and leadership, and the challenges today’s students will face as engineers of the future.

    Keith WiIliams, an associate professor in the Department of Electrical and Computer Engineering, won the Hutchinson Award, which is given annually by the Trigon Society for “Outreach to students, enthusiastic lectures, obvious love of teaching, and contributions to the Engineering School.” Trigon coordinates the selection process, but nominations and voting for the award are open to all engineering students.

    Last year’s winner was chemical engineering’s own Rachel Letteri.

    UVA ChemE Alumnus to Accept Industry Award for Team’s Work on Important Cancer Drug

    February 01, 2020
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    Alan Hunter, a 2002 chemical engineering Ph.D. graduate who studied with Lawrence R. Quarles Professor Giorgio Carta at the University of Virginia, will represent AstraZeneca as the recipient of the 2020 Division of Biochemical Technology of the American Chemical Society (known as ACS BIOT) Industrial Biotechnology Award at the division’s 2020 meeting in Philadelphia. The award honors AstraZeneca’s Lumoxiti process chemistry, manufacturing and controls team, led by Hunter, for its development and scale up of the process used to produce Lumoxiti, an important new biologic cancer drug. Another Carta lab Ph.D. graduate, Timothy Pabst, was also a member of AstraZeneca’s award-winning team.

    As a student and member of Carta’s bioseparations engineering lab, Hunter studied process chromatography and protein mass transport. He has worked in the biopharmaceutical industry for more than 15 years, beginning his career in 2004 at Pfizer in the global biologics group. In 2009, he moved to AstraZeneca, where he is director of the biopharmaceutical development purification process sciences group.

    Hunter stays involved with the department. He gives an annual lecture on regulatory aspects of biopharmaceutical manufacturing in Carta’s CHE4448 Bioseparation Engineering course. In 2019, he was the keynote speaker at the inaugural CHEERS, the Chemical Engineering Research Symposium.

    Carta said Hunter and Pabst collaborate with his lab on research aimed at better understanding and improving biopharmaceutical manufacturing and have published a number of joint papers.