Wireless neural recording with single low-power integrated circuit

Journal ArticleWe present benchtop and in vivo experimental results from an integrated circuit designed for wireless implantable neural recording applications. The chip, which was fabricated in a commercially available 0.6- m 2P3M BiCMOS process, contains 100 amplifiers, a 10-bit analog-to-digital converter (ADC), 100 threshold-based spike detectors, and a 902-928 MHz frequency-shift-keying (FSK) transmitter. Neural signals from a selected amplifier are sampled by the ADC at 15.7 kSps and telemetered over the FSK wireless data link. Power, clock, and command signals are sent to the chip wirelessly over a 2.765-MHz inductive (coil-to-coil) link. The chip is capable of operating with only two off-chip components: a power/command receiving coil and a 100-nF capacitor

Editorial and Production Credits (Vol. 1, No. 1, Autumn 2011)

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Vector and pseudoscalar charm meson radiative decays

Combining heavy quark effective theory and the chiral Lagrangian approach we investigate radiative decays of pseudoscalar $D$ mesons. We first reanalyse $D^{*} \rightarrow D \gamma$ decays within the effective Lagrangian approach using heavy quark spin symmetry, chiral symmetry Lagrangian, but including also the light vector mesons. We then investigate $D \rightarrow V \gamma$ decays and calculate the $D^0 \rightarrow \bar{K}^{*0} \gamma$ and $D^{s+} \rightarrow \rho^+ \gamma$ partial widths and branching ratios.Comment: 21 pages Latex, no figures, IJS-TP-94/19, TUM-31-62/94, NUHEP-TH-94-

Special National Intelligence Estimate Number 13/31-62 Short-Term Outlook and Implications for the Sino-Indian Conflict

Special National Intelligence Estimate Number 13/31-62 Short-Term Outlook and Implications for the Sino-Indian Conflic

Grenelle de l'environnement : quels impacts pour les projets d'infrastructures de transport en Rhône-Alpes ?

Le samedi 29 septembre 2007, s'est tenue dans les locaux de la Région Rhône-Alpes la première rencontre décentralisée du Grenelle de l'environnement. Une session dédiée au transport a fait émerger quelques questions clés que nous utiliserons comme toile de fond de notre réflexion sur ce que sont aujourd'hui et ce que seront demain les enjeux des infrastructures et de la mobilité en Rhône-Alpes.Grenelle de l'environnement ; projets d'infrastructures de transport ; impact sur l'environnement ; financement d'infrastructures de transport ; tarification de l'infrastructure ; politique de mobilité ; politique des transports ; Région Rhône-Alpes

La prótesis de expansión de Giannini en el tratamiento del pie plano-laxo infantil

Presentamos una serie de 50 pies plano-laxo infantil intervenidos con la prótesis de expansión de Giannini entre los años 1989 y 1992. Para evaluar la corrección obtenida se ha tenido en cuenta la morfología y sintomatología del pie, la valoración del fotopodograma y el ángulo de Moreau-Costa-Bartani y la línea de Sheade o eje de Meary-Tomeno en el estudio radiográfico. En la valoración final de resultados constatamos 14 casos (28%) excelentes, 31 (62%) buenos, 2 (4%) regulares y 3 (6%) malos.The authors present their experience in the surgical treatment of 50 essencial valgus fíat feet, performed bctween 1989 and 1992, using Giannini's subtalar expansive prosthesis. Pacients were assessed clinically, radiologically and by photopodography for the Moreau-CostaBartani angle and the Sheade line or Meary-Tomeno axis. In the final evaluation 14 cases (28%) were judged to achieved excellent results, 31 (62%) good results, 2 (4%) fair results and 3 (6%) poor result