Nasopharyngeal carcinoma (NPC) is one the commonest cancers in Hong Kong and South China. The gold standard for diagnosing NPC is by endoscopic examination of the nasopharynx, together with the histological examination of nasopharyngeal biopsies. However, these examinations are costly, labour-inte.....
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An apparatus for the measurement of photoplethysmograph (PPG) using ambient light as the light source, whose characteristic is that the light source is not embedded in the apparatus. Photoplethysmograph reflects the changes in the blood volume in the human peripherals. It can be applied to the noni.....
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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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This system considers the cell-based screening with gaseous and mechanical (e.g. shear and stretch) cellular environments, which are typically missed in conventional methods. Hence, potential drugs can be screened with seeded cell cultures to examine their responses for improved cellular environment.....
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This invention relates to a new aqueous diphase solvent system for preparing high-purity polysaccharides.
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