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|Brian Schulkin, an IGERT trainee and doctoral student in physics at Rensselaer Polytechnic Institute has invented an ultralight, handheld terahertz spectrometer called the Mini-Z. He is the winner of the first-ever $30,000 Lemelson-Rensselaer Student Prize.
Credit: Rensselaer/Kris Qua
Interdisciplinary study gives birth to new products and processes; August is National Inventors' Month
What do a portable imaging device, a material for cardiac stents and a process for creating strong and flexible plastics have in common? All are inventions that have been developed by trainees in the National Science Foundation's (NSF) Integrative Graduate Education and Research Traineeship Program (IGERT).
IGERT is an NSF-wide program that was developed to meet the challenges of educating U.S. scientists and engineers who will pursue careers in research and education. It aims to bring together interdisciplinary backgrounds, deep knowledge in chosen disciplines, and technical, professional and personal skills that will build leaders and creative agents for change.
Brian Schulkin, an IGERT trainee participating in a project called "Terahertz Science and Technology--a Studio-Based Approach" at Rensselaer Polytechnic Institute, won the first-ever Lemelson-Rensselaer $30,000 student prize for inventing an ultralight, hand-held terahertz spectrometer. The device has applications in medical, aerospace, security and other fields. Terahertz rays, or "t-rays" are based on the part of the electromagnetic spectrum that is defined by frequencies from 0.1 to 10 terahertz--just between infrared light and microwave radiation. Though they can pass through clothing, wood, plastic and other materials, t-rays are not harmful to health in the way that x-rays are. Until now, a major challenge has been the size and weight of t-ray devices.
Schulkin successfully developed a system approximately the size of a laptop computer. Dubbed the Mini-Z, it does not require any peripheral equipment. The Mini-Z has already proven its ability to detect cracks in space shuttle foam, image tumors in breast tissue, and spot counterfeit watermarks on paper currency.
Nanotechnology, chemistry and engineering come together in Blake Branson's work at the Interdisciplinary Program for Research and Education in the Nanosciences project at Vanderbilt and Fisk Universities.
Branson has patented a new process for creation of composite materials that are hard, strong and relatively lightweight. The process uses chemistry to disperse nanoscale diamond particles into various plastics. The exceptionally hard and stiff diamond particles enhance the material properties of the plastics. Mechanical tests have shown the new material to have increased tensile strength and stiffness as well as increased hardness even when the diamond particles make up only a small fraction of the composite material's weight.
Possible applications for the process include the manufacture of improved safety goggles and panels in armored vehicles. Not only can more protection be provided without adding additional weight, but the use of nano-diamond is potentially much more economical than other nano-carbon fillers such as carbon nanotubes.
Lisa Kemp and Nick Hammond are participants in a joint IGERT project at the Universities of Mississippi and Southern Mississippi called "Entrepreneurship at the Interface of Polymer Science and Medical Chemistry." They have worked on "bio-transformable" materials that could be implanted in the body and provide controlled release of medications. The materials are intended to provide rigid support initially, followed by a transformation into a flexible material that closely mimics the physical properties of the surrounding natural tissue.
Among other applications, these materials would address the shortcomings of existing technology for cardiac stents, whose current design carries a risk of clotting and clogging (thrombosis). Kemp and Hammond created a business plan for which they won a second place award in the National FedEx Technology Business Plan Competition last year. The company they created, Ablitech, Inc., is currently funded by a Phase I NSF Small Business Innovation Research grant, and two patents are being filed for the technology.
"I owe a lot to the IGERT program and the different disciplines it brings together," says Kemp. "We may have different languages and think differently about the science we do. But now we can communicate and be more innovative than we would have been individually."
Since its inception in 1998, NSF has granted to proposing university faculties a total of 196 IGERT awards, each of five years duration. The awards enable these universities to offer stipend support and tuition allowances to graduate students to engage in research and educational training in critical interdisciplinary areas of science and engineering.
About National Science Foundation
The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering, with an annual budget of $5.92 billion. NSF funds reach all 50 states through grants to over 1,700 universities and institutions. Each year, NSF receives about 42,000 competitive requests for funding, and makes over 10,000 new funding awards. The NSF also awards over $400 million in professional and service contracts yearly.
For more information, please click here
Maria C. Zacharias
NSF (703) 292-5038
IGERT program page:
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