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Young Caltech engineers recognized for innovative work in disease diagnostic technologies
Date:3/9/2011

PASADENA, Calif.California Institute of Technology (Caltech) graduate student Guoan Zheng is the recipient of the 2011 $30,000 Lemelson-MIT Caltech Student Prize.

Zheng was among the four $30,000 Lemelson-MIT Collegiate Student Prize winners announced Wednesday, March 9. He was recognized for his innovative development of an on-chip, inexpensive microscopy imaging technology with many potential applications, including improved diagnostics for malaria and other blood-borne diseases in the developing world.

Zheng, a graduate student in electrical engineering working in the laboratory of Changhuei Yang, professor of electrical engineering and bioengineering, designed a simple, cost-effective, high-resolution on-chip microscope called a sub-pixel resolving optofluidic microscope (SROFM). The technology is suitable for biological research and enables more affordable clinical and field diagnostics. A prolific inventor, Zheng developed an additional low-cost 500-megapixel microscopy imaging system as well as a surface-wave-enabled darkfield aperture (SWEDA), a nanophotonic structure that can be used to boost the detection sensitivity of image sensors.

Zheng and two other finalists presented their inventions to a judging panel and the Caltech community on January 27. In his presentation, Zheng demonstrated his strong interest in the integration of complementary metal-oxide semiconductor (CMOS) technology with image processing, computer vision, microfluidics, and nanotechnology for the design of next-generation low-cost biomedical imaging and sensing devices. His three inventions are all aimed at improving disease diagnostics in the developing world.

According to Yang, "Guoan is a terrific engineer and researcher. His most significant invention to date is his development of SROFM, an original and highly practical approach for designing microscopes. On a different front, Guoan has a
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Contact: Deborah Williams-Hedges
debwms@caltech.edu
626-395-3227
California Institute of Technology
Source:Eurekalert  

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Young Caltech engineers recognized for innovative work in disease diagnostic technologies
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