CULLEN COLLEGE OF ENGINEERING

University of Houston Cullen College of Engineering

News

Graduate Research Assistant Awarded for Work in Polymers

Printer-friendly versionSend by emailPDF version

By: 

Laurie Fickman
Vivek Yadav, left, with Dr. Chris Iacovella, session co-chair
Vivek Yadav, left, with Dr. Chris Iacovella, session co-chair

Vivek Yadav, studying for his Ph.D. in chemical engineering at the Cullen College, earned third place for his presentation at the "Excellence in Graduate Polymer Research" session at the American Institute of Chemical Engineers (AIChE) 2016 Annual Meeting held in San Francisco. AIChE is the world's leading organization for chemical engineers with more than 50,000 members from over 100 countries.

The honorary session consisted of talks by graduate students working in the polymer field who have demonstrated excellence in chemical engineering research.

Yadav’s research involves polyelectrolyte brushes used in applications including drug delivery, enhanced oil recovery and antifouling coatings. The brushes change shape when exposed to solutions of varying pH, a fact that is known. What is unknown is how the brush length and dispersity affect pH response. Yadav identified three key trends in the response of the brushes to changes in pH.

“First, the thickness of dry brushes decreased as the pH was decreased,” said Yadav. “Second, the water contact angle measured at low pH increased with dispersity. Finally, disperse brushes acted on memory in the contact angle. Together, these results indicate that increasing brush dispersity significantly alters the pH-response.”

Yadav’s advisors are Jacinta C. Conrad, Ernest J. and Barbara M. Henley Associate Professor of chemical and biomolecular engineering and Assistant Professor Megan Robertson.

Faculty: 

Department: 

Related News Stories

Scientific Advances Can Make it Easier to Recycle Plastics

Megan Robertson, associate professor of chemical and biomolecular engineering, is coauthor of an article in the latest issue of Science, reporting that research is improving society's ability to recycle plastic waste

Researchers Say Emerging Technologies Could Greatly Reduce Plastic Waste

Most of the 150 million tons of plastics produced around the world every year end up in landfills, the oceans and elsewhere. Less than 9 percent of plastics are recycled in the United States, rising to about 30 percent in Europe.

PHOTOS: 2017 Engineering Homecoming Celebration

Joseph Tedesco (right), Dean of the Cullen College, poses with his wife Sue (middle) and Nayeli Martinez, a member of the UH Society of Automotive Engineers

Students, faculty, alumni and friends of the UH Cullen College of Engineering gathered for breakfast tacos, drinks and games to celebrate the 2017 Engineering Homecoming and gear up for the UH Football game against East Carolina. 

In addition to catching up with old friends, attendees enjoyed mimosas and Bloody Marys provided by the Engineering Alumni Association and entered to win raffle prizes that were announced throughout the event.