Biomedical subjects
Publications and source records attributed to Jian Su.
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The potential of hypothermia in reducing neuronal damage has been demonstrated in several animal models of focal cerebral ischemia. The feasibility and safety of this technique for acute stroke has been only examined in one study, describing a total of 25 patients. We analyzed the data from 50 consecutive patients with acute stroke treated with moderate hypothermia in neurocritical care units of 4 university clinics to evaluate the feasibility and safety of moderate hypothermia.
Personal digital assistants (PDAs) offer opportunities to speed the process of data collection and analysis. We developed a PDA-based program, the Resident Diagnosis Assistant, which allows neurology residents to collect key diagnostic information about patients seen and treated and the upload this data into a departmental computer. Physicians often use the expenditure of their time to decide whether to accept a new device.
OBJECTIVE: To examine the saponins constituents in roots of Panax quinquefolium cultivated in China. METHOD: The methanol extract from roots of P. quinquefolium cultivated in Jiling province of China was extracted by chloroform and n-butanol successively. Ten pure saponins were isolated from the n-butanol extract by silica gel and RP-8 reversed-phase column chromatography. Their structures were identified by means of spectral methods and compared with known compounds. RESULT: Ten saponins were isolated from P. quinquefolium. They were identified as ginsenoside Rg1(2), Re(5), Rd(7), Rc(8), Rb1(9), Rb2(10), 24(R)-ginsenoside Rg3(3), 24(R)-pseudoginsenoside RT5(1), F11(4) and notoginsenoside K(6), respectively. CONCLUSION: This work has elucidated the saponins constituents of P. quinquefolium cultivated in Jilin province of China and has shown that compound 1 was isolated from this plant for the first time.