Publications
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Towards a Pilot-Scale Membrane System for Pre-Combustion CO2 Separation
Initial results indicate that the increase in cost of electricity (COE) for the PBI based capture system is significantly less than that of a Selexol based capture system.
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Simulation of a Process to Capture CO2 from IGCC Syngas Using a High Temperature PBI Membrane
In this paper, we are presenting the preliminary results of a process simulation using the ASPEN program under several scenerios including the IGCC with no CO2 capture, IGCC with Selexol, and…
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Robust Efficient Video Fingerprinting
We have developed a video fingerprinting system with robustness and efficiency as the primary and secondary design criteria.
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Self-stabilization in amorphous silicon circuits
We study an interesting property of self compensation in fundamental analog TFT circuits with one a part of the circuit compensating for the effects of VT shift in the other…
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On-the-flow absorption and refractive index measurements in a microfluidic device
Measuring the refractive index and optical absorption of an analyte (e.g., fluid, particle, and cells) in a microfluidic device with high accuracy and sensitivity is highly desirable for many applications.
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Impact of hydrogen on indium incorporation at m-plane and c-plane In(0.25)Ga(0.75)N surfaces: first-principles calculations
We present first-principles calculations for m-plane and c-plane In(sub_0.25)Ga(sub_0.75)N surfaces.
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Glucose detection in Fabry-Perot etalons
We propose a new CGM approach for use with the interstitial fluid (ISF).
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Silver-clad nitride semiconductor laser diode
An edge-emitting laser diode structure is described in which the conventional upper cladding layer is replaced with a metal contact selected for its optical as well as electrical properties.
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Spatially modulated fluorescence emission from moving particles
A fundamentally new design for the optical detection system in a flow cytometer is described that delivers high effective sensitivity (i.e., high signal-to-noise discrimination) without complex optics or bulky, expensive…
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Ultraviolet laser diodes on sapphire and AlN substrates
The performance characteristics of InAlGaN multiple quantum well (MQW) lasers grown on sapphire and low defect density bulk AlN substrates has been compared.
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Integrating renewable energy into the power grid (presentation only)
California targets for renewable energy production; challenges in integrating renewable energy sources into the power grid; some potential solutions
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Low cost large scale water filtration
This presentation describes a novel and highly scalable technology for conventional water treatment.