Wei Dong Yang

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Both intensity of mitral regurgitant murmur and color-coded Doppler regurgitant signal area have been reported to correlate with the degree of regurgitation. To evaluate the relationship between the intensity of regurgitant murmur and severity of mitral regurgitation, phonocardiography, echocardiography, and Doppler ultrasound were performed in 18 patients(More)
There is a growing evidence for the role of oxygen free radicals (OFR) in mediating myocardial tissue injury during myocardial ischemia and particularly during reperfusion. But almost all of the evidence was indirect, using electron spin resonance (ESR) spectroscopy, we have directly measured OFR generated in ischemic and reperfused isolated rabbit hearts.(More)
OBJECTIVE To test the effectiveness of the new techniques of tissue-engineered cartilage. METHODS Chondrocytes were harvested through type II collagenase digestion from the auricle of New Zealand rabbits. The cells were mixed with alginate to generate chondrocytes/alginate composites with final cellular density of 50 x 10(6) per mL. Calcium chloride was(More)
In order to prevent meat retailers offering thawed, imported frozen beef as fresh domestic beef, the method of Gottesmann and Hamm for differentiating between fresh and frozen/thawed meat is recommended. The principle of this method is based on the fact that freezing and thawing of meat results in a release of the enzyme β-hydroxyacyl CoA-dehydrogenase(More)
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