The Virus Cleaner is a system that can clean 95% of virus contaminated air using bleach water at an air flow of 20m/s. It was developed in 2003 during the SARS outbreak and was funded by a CERG grant. The system was tested in the Prince of Wales Hospital in 2004.The Virus Cleaner is ideal in clinics.....
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Raman scattering is the inelastic scattering of photons, and the device described here aims to provide a substrate for Raman scattering detection. The substrate comprises various nanostructures, and metal nanoparticles are arranged on top of the nanostructures. The arrangement of nanoparticles on a .....
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This invention relates to the use of nanostructures as filter materials to extract therapeutic components from Chinese medicinal herbs. Existing methods of extraction of herbal components include chromatography and freeze drying. The researchers proposed an alternative method that taps on interactiv.....
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Novel methods for improving compression efficiency by compressing and encoding images are proposed in this patent. The image to be compressed is partitioned into blocks, which will then be individually analyzed to determine suitability for discrete wavelet transform pre-processing. The blocks are al.....
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This invention relates in general to real-time voice and video communication over the Internet, and in particular, to systems for managing the voice and video streams when conversational speech patterns are considered. A SAVV client and corresponding SAVV algorithms are proposed. The SAVV client can.....
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