A family of new mechanical presses is invented. This type of presess is programmable (including its stroke, speed and acceleration) and energy-efficient (it uses a flywheel to ease the peak energy). Mechanically, it is a 2 degree-of-freedom punching mechanism driven by two different motors (a commo.....
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Microwell-based systems for performing submicroliter screening and assaying are presented. A simple and fast microfluidic method is provided to dispense picoliter to nanoliter volume of liquid to microwells. Mixing of the liquid in the microwells facilitate high-throughput screening and assaying, .....
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This invention provides a new usage of a Chinese medicinal material and three pure compounds on treating cognitive impairments. These disorders include Alzheimer's disease, insomnia, vascular dementia, memory loss, disorders of attention and other sleeping disorders. These compounds, found in the .....
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The present invention relates generally to the field of modulation of cytokines and steroid hormones and other effects by a novel gene product and related products and agents. Cytokines such as TNF and Fas, and steroid hormones such as cortisone, testosterone and estrogen, mediate the development an.....
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A computer-based method and system for establishing topic words to represent a document, the topic words being suitable for use in document retrieval. The method includes determining document keywords from the document; classifying each of the document keywords into one of a plurality of preestabli.....
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