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Program Highlights

The MRSEC Microfluidics

 

During the academic year, Fall09 - Spring10, Dr. Kim, the facility director ,designed, built and tested devices for a number of MRSEC and outside users.

Active Emulsion droplet arrays

Stabilized emulsions containing the oscillating Belousov - Zhabotinsky chemical reaction (BZ) show interesting dynamics. Each drop acts as an independent chemical clock. However, they chemically communicate and exhibit collective behavior. In (a) six BZ drops are contained in a  capillary tube. The  white bars

How the weak becomes strong: spider silk reveals a paradox of super-strength

Since its development in China thousands of years ago, silk from silkworms, spiders and other insects has been used for high-end, luxury fabrics as well as for parachutes and medical sutures. Now, MRSEC

Aharonov-Bohm Effect in Neutral Excitons

  We have made the first experimental observation of the Aharonov-Bohm effect in neutral excitons.

Biofabrication of ZnS-binding immuno-quantum dots

A designer protein combining ZnS mineralizing activity with IgG adaptor capability was built and used for easy and rapid aqueous synthesis of immuno-QDs. The particles consist of a ≈ 4 nm ZnS wurtzite core, can be derivatized with a wide variety of unmodified antibodies, and have ultrasmall (14 nm) diameters.

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