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Several studies involving the family Verbenaceae, occurring in the Brazilian Cerrado, have emphasized the popular use of many aromatic species. We highlight the use of Lippia sidoides Cham., known as "alecrim pimenta," native to northeastern Brazil and northern Minas Gerais. Leaves of this species were collected in antropized Brazilian Cerrado area, in Hidrolândia, Goiás, and their essential oi...

The Lippia genus is used in ethnobotany as food, beverages, seasoning and antiseptic remedies, among others. The chemical compositions of fifteen extracts of six Lippia species were investigated comparatively by HPLC-PDA. To avoid data replication of previous works on this genus, Lippia lupulina Cham. root ethanol extract was selected for isolation procedures based on Principal Component Analys...

-A speech recogmzer ts developed usmg a layered feedforward neural network to implement speech-frame predwtlon. A Markov cham ts used to control changes in the network's wetght parameters. We postulate that speech recogmtion accuracy ts closely hnked to the capabthty of the predictive model m representing long-term temporal correlattons in speech data. Analyttcal expresstons are obtamed for the...

Cham, Jorge G., Edward A. Branchaud, Zoran Nenadic, Bradley Greger, Richard A. Andersen, and Joel W. Burdick. Semi-chronic motorized microdrive and control algorithm for autonomously isolating and maintaining optimal extracellular action potentials. J Neurophysiol 93: 570–579, 2005. First published June 30, 2004; doi: 10.1152/jn.00369.2004. A system was developed that can autonomously position ...