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We present an integrated wirelessly powered glucose sensor allowing a functional active system on a contact lens. This sensor IC consists of power management, readout circuitry, wireless communication interface, and energy-storage capacitors in a standard CMOS process with no external components.
We demonstrate the use of common photoresists for the direct immobilization of enzymes on micropatterns. Absorbance spectrometry and fluorescence imaging confirmed successful attachment of glucose oxidase on both positive and negative resists commonly used in the microfabrication of MEMS. For SU8, the immobilization may be, at least partially, caused by covalent binding of the enzyme to the substrate...
The overarching goal of an active contact lens is to integrate sensing or display functionality onto a wearable device, enabling on-lens medical monitoring and heads-up displays. We present progress toward a wirelessly-powered active contact lens comprising a transparent polymer substrate, loop antenna, power harvesting IC, and a custom micro-LED. The fully integrated radio power harvesting and a...
J2EE is the de-facto industry standard for implementing and scaling Java on the enterprise scale distributed systems. It is the result of strong industry collaboration. All involved is trying to make the technology J2EE commercially viable. This industry support has allowed J2EE to be based on the experience and expertise from leading designers of industry systems that are scalable, well integrated...
A critical issue for complex component-based systems design is the modeling and analysis of architecture. Architectural specifications of software systems show them as a collection of interrelated components, and constitute what has been called the software architecture level of software design. However, since most of software architecture modeling tools, such as rational software architecture (RSA),...
We present the fabrication and characterization of a nano-scale sensor made of amorphous silicon (a-Si), functionalized for the detection of pH and DNA hybridization. The detector is composed of a nano-scale a-Si semicircle with a surface functionalized by receptor molecules containing single-strand DNA. Target complimentary DNA molecules bind the receptor molecules and their charge accumulating near...
We present a controllable self-assembly method for guiding and positioning nano-scale objects onto a microfabricated template mediated by a genetically engineered polypeptide. Inspired by nature, our group has adapted the different molecular biology based protocols to identify and tailor polypeptides that can recognize and specifically bind to inorganic surfaces. In this paper, we show a three-repeat...
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