Publications
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The value of rapid ethnography
This paper describes three case studies of rapid ethnography in our organization (on parking enforcement, hospital nursing, and mobile communication), explaining in detail how we carried out the studies and…
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Radiation induced recombination centers in organic solar cells
Prolonged x-ray exposure of bulk heterojunction organic solar cells induces deep trap states that are observed in measurements of the photocurrent spectral response.
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Optically pumped UV lasers grown on bulk AlN substrates
Sub-300nm optically pumped ultraviolet lasers were realized on low-defect-density (0001) AlN substrates fabricated from single crystalline AlN boules.
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Fragment-based screening for inhibitors of PDE4A using enthalpy arrays and X-ray crystallography
Here we have used enthalpy arrays, which are arrays of nanocalorimeters, to perform an enzyme activity based fragment screen for competitive inhibitors of phosphodiesterase 4A (PDE4A).
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Highly sensitive tactile sensors integrated with organic transistors
A capacitive pressure sensor with a nano-needle dielectric was successfully fabricated by a facile breath figures method and demonstrated a record sensitivity among polymer tactile sensors.
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Tweeting with Hummingbird: privacy in large-scale micro-blogging OSNs
In this paper, we assess privacy in today's Twitter-like OSNs and describe an architecture and a trial implementation of a privacy-preserving service called Hummingbird a variant of Twitter that protects…
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Time encoded multicolor fluorescence detection in a microfluidic flow cytometer
We present an optical detection technique that delivers high signal-to-noise discrimination to enable a multi-parameter flow cytometer that combines high performance, robustness, compactness and low cost.
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Measuring learning progressions using bayesian modeling in complex assessments
This research examines issues regarding model estimation and robustness in the use of Bayesian Inference Networks (BINs) for measuring Learning Progressions (LPs).
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Fast and private computation of cardinality of set intersection and union
This paper explores a few PSI-CA variations and constructs several protocols that are more efficient than the state-of-the-art.
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Targeting Glioblastoma Stem Cells: Cell Surface Markers
In this review, we primarily summarize recent advances in identification of GSC markers, with a particular focus on cell surface markers.
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Latent Profiles of Problem Behavior within Learning, Peer, and Teacher Contexts: Identifying Subgroups of Children at Academic Risk across the Preschool Year
Employing a developmental and ecological model, the study identified initial levels and rates of change in academic skills for subgroups of preschool children exhibiting problem behavior within routine classroom situations.
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Gender-Stratified Gene and Gene-Treatment Interactions in Smoking Cessation
We conducted gender-stratified analyses on a systems-based candidate gene study of regions involved in nicotinic response and the brain—reward pathway in two randomized clinical trials of smoking cessation treatments (placebo,…