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Blood Analysis System

Sys_Intro The system employs a tester box with a display and a keypad (similar to the glucose meters available in the market). A disposable strip as shown above is used for analyzing blood. It incorporates a micro fluidic channel with a regulator pump. While the test strip is plugged into the tester, a blood sample is placed on the left hand side pad and the regulator pushes the blood across the sensing nanowire bridge. The strips are designed for a specific biomarker. The battery operated box uses a common oscillator drive for the pump as well as the impedance bridge. The presence of the biomarker in the blood produces an imbalance, which gets demodulated as an output signal.

Water Toxicology System

WaterTox This analyzer employs a dual interrogation technique to detect trace levels of bacteria toxins in water sample being analyzed. The sensing partition consists of four functional layers, namely sensing substrate, sense seal, water channel and the water drain. The first technique implemented on the sensing substrate is similar to the one Waddan uses in the blood analyzer-a SiC nanowire bridge across fluidic channels. When pathogens bind with the organic molecules on the sense nanowires, it changes the current through them which creates an imbalance in the bridge. In addition, an optical waveguide is also built across the fluidic channels. A pathogen specific laser radiation passing through the waveguides also improves the measurement of pathogenic microorganisms at trace levels in a contaminated water sample.

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