Chemistry & Biochemistry

Common Nanoparticle has Subtle Effects on Oxidative Stress Genes


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Researchers at the Georgia Institute of Technology used high-throughput screening techniques to study the effects of titanium dioxide nanoparticles on the expression of 84 genes related to cellular oxidative stress. Their work found that six genes, four of them from a single gene family, were affected by a 24-hour exposure to the nanoparticles.
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Hela Nanoparticles

Image shows HeLa cells incubated for 24 hours with serum-coated TiO2 nanoparticles (proteins are tagged with a red fluorophore). Cell nuclei are stained with DAPI (blue).

Center Stage: Kristy S. Syhapanha Puts a Foot in the Door of Her Dream Career


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Georgia Tech roller-coaster ride takes the chemistry major, daughter of Laotian refugees, to the Centers for Disease Control and Prevention.
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Kristy Syhapanha

Kristy Southysa Syhapanha never thought of studying at Georgia Tech. She didn’t think she would qualify, so she didn’t bother – at first. Thanks to friends who insisted that she should try, she submitted her application at the very last minute. She got in.

Missing Links Brewed in Primordial Puddles?


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The crucibles that bore out early building blocks of life may have been, in many cases, modest puddles.
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Amanda Stockton: The Girl with the Big Nose


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Growing up on a cattle ranch, Amanda Stockton dreams of searching for life elsewhere in the universe.
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Dr. Amanda Stockton is an assistant professor in the Chemistry and Biochemistry department at the Georgia Institute of Technology. Her work walks the line between engineering and science to develop instrumentation capable of looking for organic molecules elsewhere in the solar system. These molecules could be the feedstock for an emergence of life or the remnants of past life now extinct on places like Europa, Enceladus, and Mars.

Meet Mostafa A. El-Sayed, 2016 Priestley Medalist


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2016 Priestley Medal winner and GT Chemistry & Biochemistry Professor Mostafa El-Sayed featured in ACS Chemical & Engineering News cover story
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Professor Mostafa El-Sayed of the Georgia Tech School of Chemistry and Biochemistry, the 2016 Priestley Medalist, is featured in the cover story Chemical & Engineering News:

Meet Mostafa A. El-Sayed, 2016 Priestley Medalist

Mostafa El-Sayed recounts “The good breaks in my life”

College of Sciences’ Mostafa El-Sayed To Be Feted at Chemistry Gathering in San Diego


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Georgia Tech will have a major presence at the American Chemical Society national meeting next week in San Diego, Calif. A key event of the meeting, on March 13-17, is the awarding of the Priestley Medal, the highest honor bestowed by the ACS, to College of Sciences Prof. Mostafa El-Sayed.
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Life in a Pre-Darwinian World


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Petit Institute Associate Director Nick Hud and his collaborators are beyond biology to the role of chemistry in the development of life.
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Petit Institute Associate Director Nick Hud and his collaborators are beyond biology to the role of chemistry in the development of life.

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Entering the Strange World of Ultra-Cold Chemistry


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Researchers at the Georgia Institute of Technology have received a $900,000 grant from the U.S. Air Force Office of Scientific Research (AFOSR) to study the unusual chemical and physical properties of atoms and molecules at ultra-cold temperatures approaching absolute zero – the temperature at which all thermal activity stops.
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Researchers at the Georgia Institute of Technology have received a $900,000 grant from the U.S. Air Force Office of Scientific Research (AFOSR) to study the unusual chemical and physical properties of atoms and molecules at ultra-cold temperatures approaching absolute zero – the temperature at which all thermal activity stops.

NSF Sustainable Nanotechnology Center Includes Georgia Tech Researchers


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Georgia Tech is among a dozen institutions that are part of the Center for Sustainable Nanotechnology, a $20 million research center.
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Georgia Tech is among a dozen institutions that are part of the Center for Sustainable Nanotechnology, a $20 million research center focusing on the molecular mechanisms by which nanoparticles interact with biological systems. Based at the University of Wisconsin-Madison, the center has been awarded an additional five years of funding from the National Science Foundation (NSF) to expand its existing operations.

Who needs water to assemble DNA?


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Non-aqueous solvent supports DNA nanotechnology
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Scientists around the world are using the programmability of DNA to assemble complex nanometer-scale structures. Until now, however, production of these artificial structures has been limited to water-based environments, because DNA naturally functions inside the watery environment of living cells.

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