Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Making plastic smarter with protein

24.03.2003


How do you improve on plastic, a modern material that has already changed the way we do everything from design medical devices to build cars? Embed it with specialized proteins called enzymes, says Shekhar Garde, assistant professor of chemical engineering at Rensselaer Polytechnic Institute.

"Such protein-enhanced plastics might someday be able to act as ultra-hygienic surfaces or sensors to detect the presence of various chemicals," says Garde. These types of materials could have a wide range of applications, for example, in the security or medical industries.

Proteins require water to function, however. Nonwatery environments do not provide the driving force necessary to keep proteins in their normally intricately folded state; unfolded, the molecules cease to function. To learn what it takes to successfully integrate proteins into a dry substance such as plastic, Garde and his graduate student Lu Yang use molecular dynamics (MD) simulations to create a computer model of the proteins and study the molecules in both watery and non-watery environments such as organic solvents. They are working in collaboration with Jonathan S. Dordick, the Howard P. Isermann ’42 Professor of Chemical Engineering, who conducted the initial protein research.



Garde and Yang are presenting their research at the 225th national meeting of the American Chemical Society, held March 23-27 in New Orleans, La.

Proteins Are Powerful, but Sensitive

Proteins are "molecular machines," according to Garde, uniquely able to efficiently and reliably conduct chemical processes. Their powerful activity, however, is limited to relatively low temperatures and pressures. Helping proteins adapt to a non-water-based environment may actually increase the resiliency of the molecules and make them useful in situations they otherwise would not survive in, such as exposure to high temperatures or other extreme conditions. In addition to preserving protein’s known actions, the researchers speculate that they may also "discover that proteins could perform some new functions [in dry environments], something that they could not do in water," according to Yang.


CONTACT: Jonathan Dordick 518-276-2899; dordick@rpi.edu Shekhar Garde 518-276-6048; gardes@rpi.edu

CONTACT (During the ACS meeting): The ACS press room 504-586-4650 (Morial Convention Center, room 280)


Joely Johnson | EurekAlert!
Further information:
http://www.rpi.edu/dept/NewsComm/

More articles from Materials Sciences:

nachricht Breaking bad metals with neutrons
16.01.2018 | DOE/Argonne National Laboratory

nachricht White graphene makes ceramics multifunctional
16.01.2018 | Rice University

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Scientists decipher key principle behind reaction of metalloenzymes

So-called pre-distorted states accelerate photochemical reactions too

What enables electrons to be transferred swiftly, for example during photosynthesis? An interdisciplinary team of researchers has worked out the details of how...

Im Focus: The first precise measurement of a single molecule's effective charge

For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight of an SNSF Professor could also pave the way for future medical diagnostics.

Electrical charge is one of the key properties that allows molecules to interact. Life itself depends on this phenomenon: many biological processes involve...

Im Focus: Paradigm shift in Paris: Encouraging an holistic view of laser machining

At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.

No other industry has attracted as much public attention to composite materials as the automotive industry, which along with the aerospace industry is a driver...

Im Focus: Room-temperature multiferroic thin films and their properties

Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.

Multiferroic materials show magnetically driven ferroelectricity. They are attracting increasing attention because of their fascinating properties such as...

Im Focus: A thermometer for the oceans

Measurement of noble gases in Antarctic ice cores

The oceans are the largest global heat reservoir. As a result of man-made global warming, the temperature in the global climate system increases; around 90% of...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

10th International Symposium: “Advanced Battery Power – Kraftwerk Batterie” Münster, 10-11 April 2018

08.01.2018 | Event News

See, understand and experience the work of the future

11.12.2017 | Event News

Innovative strategies to tackle parasitic worms

08.12.2017 | Event News

 
Latest News

Morbid Obesity: Gastric Bypass and Sleeve Gastrectomy Are Comparable

17.01.2018 | Health and Medicine

Researchers identify new way to unmask melanoma cells to the immune system

17.01.2018 | Health and Medicine

Genetic discovery may help better identify children at risk for type 1 diabetes

17.01.2018 | Health and Medicine

VideoLinks
B2B-VideoLinks
More VideoLinks >>>