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지속적인 운동으로서의 골프가 아마추어 골퍼의 스트레스에 미치는 효과
오대성,송은섭,나정란 圓光大學校附設 生活體育硏究所 2001 生活體育硏究 Vol.11 No.-
This survey for the purpose of finding out the effects of Golf as a continuative exercise on the mental stress has made the following conclusion with the research results having examined the effects by using the stress measuring paper to the subjects of the amateur Golfers consisted of 183 (Male 98 and Female 85) in Chonbuk province. 1. The effects on the total stress levels as a continuative exercise shows that the male subjects (105.96±14.38) is higher than the female (104.05±11.49). 2. In the following stress levels the Golf has the effect showing that the male (19.72) is higher than the female (19.54) in the mental factor, and the male (35.74) is higher than the female (34.82) in the emotional and the anxiety factors. And it shows statistical significance (p=0.79). 3. The effects of Golf as a continuative exercise on the total stress levels according to the subjects' career shows that the group (108.03) whose career is more than 83 months is higher than the group (101.68) whose career is more than 49-82 months. 4. The effects of Golf as a continuative exercise on the mental stress in the following levels shows that the group (20.31) whose career is more than 83 months is higher than the group (18.71) whose career is more than 49-82 months in the mental factor, and the group (28.30) who career is more than 83 months is also higher than the group (25.76) whose career is more than 49-82 months in the physical and mental health factor respectively.
김동재,강민정,최진아,나대성,김진범,나천수,박종환 한국실험동물학회 2016 Laboratory Animal Research Vol.32 No.2
Helicobacter pylori colonizes the gastric mucosa of about half of the world’s population, causing chronic gastritis and gastric cancer. An increasing emergence of antibiotic-resistant H. pylori arouses demand on alternative non-antibiotic-based therapies. In this study, we freshly prepared crude N-acetylneuraminic acid obtained from glycomacropeptide (G-NANA) of whey through a neuraminidase-mediated reaction and evaluated its antibacterial ability against H. pylori and H. felis. Overnight cultures of the H. pylori were diluted with fresh media and different concentrations (1-150 mg/mL) of crude G-NANA were added directly to the culture tube. Bacterial growth was evaluated by measuring the optical density of the culture medium and the number of viable bacteria was determined by a direct count of the colony forming units (CFU) on agar plates. For the in vivo study, mice were orally infected with 100 µL (5×108 cfu/mL) of H. felis four times at a day’s interval, accompanied by a daily administration of crude G-NANA or vehicle. A day after the last infection, the mice were daily administered the crude G-NANA (0, 75, and 300 mg/mL) for 10 days and euthanized. Their stomachs were collected and bacterial colonization was determined by quantitative real-time PCR. Crude G-NANA inhibited H. pylori’s growth and reduced the number of viable bacteria in a dose-dependent manner. Furthermore, crude G-NANA inhibited bacterial colonization in the mice. These results showed that crude G-NANA has antibacterial activity against Helicobacter and demonstrated its therapeutic potential for the prevention of chronic gastritis and gastric carcinogenesis induced by Helicobacter infection in humans.