Tag Archives: Chemistry and Physics

Medicinal Chemistry Information Session

MEDICINAL CHEMISTRY GREPORTGeorgia Regents University’s Department of Chemistry and Physics has launched its new Medicinal Chemistry major giving students  a chance to partake in the innovative research of drug discovery.

Students will have an opportunity to learn more about this new program during the department’s Medicinal Chemistry Information session  being held Friday, Feb. 6, at 1 p.m. in Science Hall, room W-1008.

During this session, attendees will learn how this new concentration offers students a chance to study and conduct research in areas such as drug design, mechanism of action of drugs, and modern methods of synthesis.

For more information about the information session and the Medicinal Chemistry major,  click here or call 706-737-1541.

Datta presents at international conference in China

Dr. Trinanjan Datta
Dr. Trinanjan Datta

Dr. Trinanjan Datta, Associate Professor of Physics, presented an invited talk at the 12th International Conference on Condensed Matter Theory and Computational Materials Science held at Sun Yat-Sen University, Guangzhou, China. He discussed his research work on spintronics carried out in collaboration with Professor Daoxin Yao and his research group. Datta, who has been visiting Sun Yat-Sen University as a research scholar, highlighted the importance of spin and spatial anisotropy in quantum magnets. Click here to view the published version of the work.

In addition, he has also published a paper, co-authored with undergraduate GRU physics major Simeon Hanks, on the one-fifth depleted Ising model. The work predicts the critical temperature at which this novel magnetic model may lose or retain its magnetism. Click here to link to the publication.

Poppeliers and earthquake analysis methods

Christian Poppeliers
Christian Poppeliers

Christian Poppeliers, Associate Professor in the Department of Chemistry and Physics, has co-authored two papers on earthquake analysis methods in a recent issue of the Bulletin of the Seismological Society of America.  Co-authors include Predrag Punosevac, a former GRU faculty member in the Department of Mathematics, and Tammy Bell, a former undergraduate student.

To view both abstracts, visit

bssaonline.org/content/103/4/2151.abstract and bssaonline.org/content/103/4/2161.abstract.

 

Geophysics team makes waves

Christian Poppeliers, Associate Professor of Physics, and his team of undergraduate research students recently completed preliminary field experiments designed to compare several seismic signal processing methods. This ongoing experiment, headed up by undergraduate researcher Alex Hughes, is the first of its kind to directly compare Beam Forming analysis and Gradiometry.

The Geophysics team is currently working on several other projects as well.

Undergraduate researcher Katherine Overman is working on solving an equation to relate seismic radiation patterns to the geometry of an earthquake’s fault. In Geophysics, a radiation pattern describes how an earthquake spreads. Poppeliers’ team has a partial differential equation that relates this radiation pattern to the actual geometry of an earthquake’s fault. If Overman successfully solves this equation, she will be able to extract these geometries from a radiation pattern.

Undergraduate researcher Elizabeth Johnson is also analyzing signal processing methods, focusing on the recently developed Hilbert Huang transform. Signal processing is any manual or mechanical operation which modifies, analyzes or otherwise manipulates the information contained in a signal. Processing routines generally fall into the categories of enhancing signal at the expense of noise, providing velocity information and increasing resolution. Poppeliers’ team performed this research to directly compare a new analysis method, the Hilbert-Huang transform, to well-established analysis methods such as the Fourier and Wavelet transforms.

The GRU Geophysics team maintains a large scale seismic array funded by Poppelier’s NSF Grant as well as the CURS Summer Scholars Program.

GRU student receives research award at national conference

Simeon Hanks, junior physics major, won the award for outstanding research presentation at the American Physical Society (APS) March Meeting held in Baltimore, Md.

Hanks presented his research on the High temperature series expansion and the exact solution study of the 1/5 depleted square lattice Ising model. The work was done in collaboration with Professor Jaan Oitmaa from the University of New South Wales located in Sydney, Australia. Through his work, Hanks was able to predict the critical magnetic transition temperature of the depleted lattice using both an exact solution and a high temperature series expansion.

“I’d like to thank Dr. Datta for his continued support of my research, the Savannah River Scholarship Program for its funding, and GRU for the resources to facilitate our work,” said Hanks. He is also the recipient of the Department of Chemistry and Physics 2013 Best Undergraduate Research in Physics award and the American Physical Society Future of Physics Day Travel award.

“Through his hard work, dedication, careful attention to detail and strong computer programming skills, Simeon has obtained new and noteworthy results. He is truly deserving of this best undergraduate research presentation award,” said Trinanjan Datta, Assistant Professor of Physics.

The APS March Meeting is the largest physics meeting in the world, highlighting physics research from industry, universities, and major labs across the world. In addition to cutting-edge research in the condensed matter community, the meeting also presents an opportunity for undergraduate students to showcase their novel research findings.

To view Hanks abstract: go.gru.edu/16Y0lH2