Chemistry – Page 3

During Wesleyan’s 186th commencement ceremony on May 27, Wesleyan presented outstanding teachers with the Binswanger Prize for Excellence in Teaching. These prizes, made possible by gifts from the family of the late Frank G. Binswanger Sr., Hon. ’85, underscore Wesleyan’s commitment to its scholar-teachers, who are responsible for the University’s distinctive approach to liberal arts education. Recommendations are solicited from alumni of the last 10 graduating classes, as well as current juniors, seniors, and graduate students. Recipients are chosen by a selection committee of faculty and members of the Alumni Association Executive Committee. This year, Wesleyan honored the following faculty…

Seven Wesleyan students recently were inducted into the American Society for Biochemistry and Molecular Biology (ASBMB) Honor Society, and many of them presented research posters at the ASBMB annual meeting in San Diego, April 21–25. The ASBMB Honor Society recognizes exceptional undergraduate juniors and seniors who are pursuing a degree in the molecular life sciences for their scholarly achievement, research accomplishments, and outreach activities. The Wesleyan students inducted were Will Barr '18, Alexa Strauss '19, Emily Kessler '18, Christine Little '18, Julie McDonald '18, Rubye Peyser '18, and Alexander Shames '18. The following students attended the annual meeting: • Kessler, whose poster was…

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Chemistry and environmental studies major Kate Sundberg ’20, one of 20 students nationwide who are part of the Friends Committee on National Legislation Advocacy Corps, attended the Spring Lobby Weekend on March 17–20 advocating for immigration policy with Congress. The Advocacy Corps is a yearlong program where young adults between the ages of 19–30 organize their local communities around federal legislation. As an organizer, Sundberg connects local activists and leaders with Congress to affect meaningful, bipartisan climate action. (more…)

Erika Taylor, associate professor of chemistry, is the recent co-author of three articles. Two publications are related to disrupting the formation of Lipopolysaccharides (LPSs), a cell surface component that is important to Gram-Negative bacteria’s ability to form biofilms and become resistant to hydrophobic antibiotics. These papers describe inhibition of enzymes from E. coli, as well as enzymes from related pathogens including Vibrio cholerae (the bacteria that causes cholera), and Yersinia pestis (the bacteria that causes plague). Understanding how enzymes can be inhibited opens up possible new strategies for fighting diseases. The third paper builds on her prior work investigating the…

By using a newly acquired electron microscope, the E&ES 368 Meteorites and Cosmochemistry class was able to classify a meteorite discovered in Morocco. "We were able to determine that it was an H4 ordinary chondrite, and the chemical information being collected today will be used to document these findings and submit this meteorite to the Meteorite Nomenclature Committee of the Meteoritical Society for official classification," said class instructor Jim Greenwood, assistant professor of earth and environmental sciences. Wesleyan acquired the field-emission scanning electron microscope (FE-SEM) with support from a $202,300 National Science Foundation grant awarded in August 2017. Greenwood and Michelle Personick,…

Joseph Knee, the Beach Professor of Chemistry and Dean of the Natural Sciences and Mathematics Division, is the author of a new article published in the journal Physical Chemistry Chemical Physics (PCCP). This "Perspectives" article, which was commissioned by the PCCP editorial board and editorial office, is a high-profile look at work by Knee and his collaborators that has been going on for nearly a decade. Perspectives articles are intended to present an authoritative state-of-the-art account of a particular research field. The research by Knee and his collaborators, which is ongoing, uses experimental and computational methods to explore hydrogen bonding interactions, which are extremely important in the…

In this Q&A, we speak with Michelle Personick, assistant professor of chemistry, assistant professor of integrative sciences. Personick, who joined the faculty at Wesleyan in 2015, is interested in developing tailored metal nanomaterials that improve the clean production of energy and enable the efficient use of energy resources. Her work has recently been published in the journals Particle and Particle Systems Characterization and American Chemical Society Catalysis. Q: Professor Personick, how would you describe your main research interests? A: The main research areas in my group are controlling the shape and composition of noble metal nanocrystals, and exploring the use of these nanoparticles…

This summer, Wesleyan hosted the second annual Wesleyan Scientific Imaging Contest, which recognizes student-submitted images from experiments or simulations done with a Wesleyan faculty member that are scientifically intriguing as well as aesthetically pleasing. This year, 33 images were submitted from six departments. The entries were judged based on the quality of the image and the explanation of the underlying science. The images were judged by a panel of four faculty members: Steven Devoto, professor of biology, professor of neuroscience and behavior; Ruth Johnson, assistant professor of biology, assistant professor of integrative sciences; Brian Northrop, assistant professor of chemistry, assistant professor of…

Michelle Personick, assistant professor of chemistry, and her graduate student Melissa King, are co-authors of a paper titled “Bimetallic Nanoparticles with Exotic Facet Structures via Iodide-Assisted Reduction of Palladium,” published in the journal Particle and Particle Systems Characterization, Vol. 34, Issue 5, in May 2017. The research was featured on the inside front cover of the issue. In this study, Personick and King explain how gold–palladium tetradecapods (14-pointed nanoparticles) with an unusual combination of both well-defined concave and convex facets can be synthesized by introducing dilute concentrations of iodide during nanoparticle growth. Iodide directs the formation of the tetradecapods by increasing…

All cells — bacterial or human — secrete up to 10 or 20 percent of the proteins that they make. Human secreted proteins, for example, include components of serum, hormones, growth factors that promote cell development during embryogenesis and tissue remodeling, and proteins that provide the basis for immune cell signaling during infection or when fighting cancer. The secretion process, however, isn't an easy feat for cells, as they need to move the proteins across a membrane through a channel. Transport requires the formation of a hairpin, formed by an initiator protein. In a recent study, Don Oliver, the Daniel Ayres Professor…

Michelle Personick, assistant professor of chemistry, received a two-year doctoral new investigator grant from the American Chemical Society Petroleum Research Fund (ACS PRF) to synthesize and test new metal nanomaterials designed to make industrial chemical processes more energy efficient. Her study, titled “Tailored Bimetallic Catalysts with Highly Stepped Facets for Selective and Energy-Efficient Epoxidation and Hydrogenation Reactions," will be supported for two years with a $110,000 award. "Global energy consumption is steadily increasing, and the chemical industry is the second largest consumer of delivered energy," Personick said. "The chemical industry is unique in that it uses energy resources, such as petroleum…

Dombrowski, Saaka, Taylor Receive Binswanger Prizes for Excellence in Teaching

Students Inducted into Honor Society, Present Research at American Society for Biochemistry and Molecular Biology Meeting

Items Fall 100 Feet, Explode at the Third Annual Big Drop

Sundberg ’20 Lobbies for Immigration Policy as National Legislation Advocacy Corps Organizer

Taylor, Alumni, Students Co-Author 3 Journal Articles

NSF Grant Supports Field-Emission Scanning Electron Microscope Purchase

Knee Co-Authors Article on Hydrogen-Bonding Interactions

Faculty Spotlight: Michelle Personick

Plasma Bubble, Stem Cell Images Win Scientific Imaging Contest

Research Paper by Personick, King Published in ‘Particle’ Journal

Mukerji, Oliver Co-Author Study in PNAS on Basic Cell Function

Personick Awarded Grant from American Chemical Society Petroleum Research Fund