We tested the hypothesis that single nucleotide polymorphisms (SNPs) within genes of the NF-κB pathway are associated with altered clinical outcome of septic shock patients. We genotyped 59 SNPs in the NF-κB pathway in a discovery cohort of septic…
Papers in Acoustics, Speech and Signal Processing
Acoustics, Speech and Signal Processing papers in Electrical and Electronic Engineering, A
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This work presents a single-channel analog processor IC for the wireless biosignal monitor. This chip occupies a small die area of 0.52 mm2 and has a low power consumption of 0.75 mW at a 5-V supply voltage. The wired and wireless systems…
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A fully integrated CMOS frequency synthesizer for UHF RFID reader is implemented in a 0.18-mum CMOS technology. Due to the large self-interference and the backscatter scheme of the passive tags, reader synthesizer's phase noise requirement is…
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Currently, the series resonant frequency fs and the motional resistance Rm of liquid loaded quartz crystal microbalance (QCM) sensors are extracted either directly, through network analyzer (NWA) impedance measurements, or from QCM-stabilized…
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As extracellular electrode arrays with 100 or more active recording sites become more widely used for simultaneous recording of neural ensembles, practical data acquisition systems that can efficiently accommodate high electrode counts are needed.…
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A major design problem concerning high-frequency broad-band ultrasound imaging systems is caused by the strong dispersive attenuation of the tissue, which gives rise to images with inhomogeneous resolution and poor signal to noise ratio (SNR). To…
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In this paper a large input swing integrated interface circuit for MEMS microphones is presented. It consists of an high impedance input buffer followed by a multi-bit (12-levels) analog second order SigmaDelta modulator and a fully-digital…
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OBJECTIVE: The objective of this retrospective descriptive study was to evaluate the use of air medical services in response to medical scene calls for transport to tertiary care in the rural setting. METHODS: This study is a retrospective…
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A 10-year follow-up study by orthogonal Frank lead electrocardiography was performed on 25 patients with progressive muscular dystrophy of the Duchenne type (DMD). With advancing age, no apparent changes were observed in the duration and amplitude…
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OBJECTIVE: To study the factors influencing the outcome of patients suffering from in-hospital ventricular fibrillation (IHVF), as there have been few studies focusing on this topic. METHODS: Patients with IHVF collected in a single cardiac center…
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This paper presents key algorithm features of the future NATO narrow band voice coder (NBVC), a 1.2/2.4 kbps speech coder with noise preprocessor based on the MELP analysis algorithm. At 1.2 kbps, the MELP parameters for three consecutive frames are…
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A single-chip speech processor/stimulator is presented for use in a totally implanted cochlear prosthesis system. It implements a continuous interleaved sampling (CIS) strategy. By combining the speech processor and the stimulator into one…
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The chip is composed of eight 16-channel front-end blocks, data serializing circuits, a DSP for on-chip spike sorting, digital MUX, encoder, UWB TX, and bias generators. The chip operates in one of the two modes. In sorting mode, a selected channel…
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Spike sorting is an important processing step in various neuroscientific and clinical studies. Energy-efficient spike-sorting ASICs are necessary to allow real-time processing of multi-channel, wireless neural recordings. Spike-sorting ASICs have to…
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Spike sorting is an important processing step in various neuroscientific and clinical studies. Energy-efficient spike-sorting ASICs are necessary to allow real-time processing of multi-channel, wireless neural recordings. Spike-sorting ASICs have to…
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A 167-processor computational platform consists of an array of simple programmable processors capable of per-processor dynamic supply voltage and clock frequency scaling, three algorithm-specific processors, and three 16 KB shared memories; and is…
Papers in associated sub-disciplines
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