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기체 크로마토그래피를 이용한 유기산 및 아미노산의 동시분석에 관한 연구
金京禮,金正漢,朴炯國,鄭恩枝 성균관대학교 약학연구소 1993 成均藥硏論文集 Vol.5 No.1
N(O, S)-isobutyloxycarbonylation with subsequent solid-phase extraction and tert.-butyl-dimethylsilylation was described for the simultaneous gas chromatographic analysis of 19 protein and 12 nonprotein amino acids and 26 organic acids from aqueous samples. Linear responses in the range of 10∼100 ppm were obtained for the most of compounds studied with the correlation coefficient varying from 0.993 to 0.999. When the present method was applied to wine samples, 13 organic acids and 13 amino acids were screened simultaneously.
김낙인,조항래,김형섭 대한의진균학회 1996 대한의진균학회지 Vol.1 No.1
Cutaneous ulcers due to candida infection are very rare condition, occurring almost in immunocompromised host or occuring as cutaneous manifestation of systemic candidal infection. A 52-year-old woman presented with cutaneous ulcer on dorsum of left hand which had lasted for about 15 days. Bacterial culture showed nonpathogenic organism, Enterobacter cloacae. Mycologic studies including KOH mount and fungus culture were positive for pseudohyphae and colonies of Candida species. A biopsy specimen from the center of ulcer revealed numerous spores and fungal hyphae in the upper dermis and necrotic epidermis. Bacterial culture and fungus culture of patient's serum and urine were negative. Initial treatment with antibiotics had no effectiveness for 2 weeks. After then we treated with antifungal drug, itraconazole 100mg/day. After 6 weeks of antifungal therapy, the skin lesion was much improved. We report this case, because it showed cutaneous ulcer due to candida infection but had neither systemic candidal infection nor clinical sign of immunosuppression.
돼지에서 정맥, 근육 그리고 경구 투여시의 enrofloxacin의 약물동태학
윤효인,김무열,박승춘,조준형,박병권,이내경,노상석,장범수,신광순,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
In order to characterize pharmacokinetic profiles according to route of a new enrofloxacin salt form (Enrotil®), it was given to 4 healthy pigs via oral (p.o.), intramuscular (i.m.) or intravenous (i.v.) administrations at a dose rate of 5 ㎎/㎏ body weight. Enrofloxacin (ENFX) in serum was detected by bioassay using E. coli BE1186 as a test organism. The biological elimination half-lives (t_1/2(β)) of ENFX were 6.76±0.99 h (i.v.), 7.16±2.30 h (i.m.) and 11.45±3.90 h (p.o.), Volume of distribution (Vd) of enrofloxacin was 2.20±0.31 L/㎏ (i.v.), 2.52±0.60 L/㎏ (i.m.) and 1.88±0.33 L/㎏ (i.m.). Mean residence time (MRT) was 8.77±1.26 h after i.v. injection and the maximal concentration time (Tmax) following p.o. and i.m. administration was 0.76±0.09 h and 0.60±0.12 h, indicating a rapid absorption from these routes. Bioavailibility (F) was calculated as 64.1% for p.o. administration and 59.71% for i.m. injections. In summary, the newly formulated enrofloxacin salt form has shown a high water solubility, rapid absorption and large tissue distribution, suggesting a potential antibacterials for oral application on a large scale in veterinary sectors.
Kim, Dae-Hee,Baek, Jae-Min,Lee, Jong-Ha,Kim, Bong-Rae,Yoon, Soon-Jae,Kim, Jin-Hyoung The Korean Society of Fisheries and Aquatic Scienc 2011 Fisheries and Aquatic Sciences Vol.14 No.4
We investigated the nutritional status of the melania snail (Semisulcospira gottschei) using RNA/DNA ratios to evaluate the effect of feeding conditions (artificial versus natural) on the reaction times of the snails in a time course following starvation. In the short experiments (48 h), the RNA/DNA ratios of the artificial feeding groups were significantly higher than those of the natural groups. While two RNA/DNA ratio peaks were observed in the artificial food group during daytime, the natural food group showed a higher ratio at night. Under starvation conditions, the RNA content decreased whereas the DNA content was constant. The RNA/DNA ratios of the freshwater snail in both groups dramatically decreased after starvation and remained constant until the end of the experiment. We verified that the RNA/DNA ratio serves as an index of nutritional condition with respect to the effect of dietary differences. These results are important for understanding optimized aquaculture rearing conditions for this important commercial freshwater snail.
Kim Seo-Yeon,Oh Soo-young,Sung Ji-Hee,Choi Suk-Joo,Roh Cheong-Rae,Lee Seung Mi,Jun Jong Kwan,Lee Mi-Young,이준호,Kim Soo Hyun,Cha Dong Hyun,Han You Jung,Kim Min Hyoung,Cho Geum Joon,Kwon Han-Sung,Kim Byo 대한의학회 2021 Journal of Korean medical science Vol.36 No.44
Background: People are generally considered overweight and obese if their body mass index (BMI) is above 25 kg/m2 and 30.0 kg/m2 , respectively. The World Health Organization proposed stricter criteria for Asians (≥ 23 kg/m2 : overweight, ≥ 25 kg/m2 : obese). We aimed to verify whether this criteria could predict adverse pregnancy outcomes in Korean women. Methods: We included 7,547 Korean women from 12 institutions enrolled between June 2016 and October 2018. Women with no pre-pregnancy BMI data, not Korean, or lost to followup were excluded, leaving 6,331. The subjects were categorized into underweight, normal, overweight, class I obesity, and class II/III obesity based on a pre-pregnancy BMI of < 18.5, 18.5–22.9, 23.0–24.9, 25.0–29.9, and ≥ 30.0 kg/m2 , respectively. Results: Overall, 13.4%, 63.0%, 11.8%, 9.1%, and 2.6% of women were underweight, normal, and overweight and had class I obesity and class II/III obesity, respectively. In the multivariable analysis adjusted for maternal age, a higher BMI significantly increased the risk of preeclampsia, gestational diabetes, preterm delivery caused by maternal-fetal indications, cesarean section, large for gestational age, and neonatal intensive care unit admission. Conclusion: Adverse pregnancy outcomes started to increase in those with a pre-pregnancy BMI ≥ 23.0 kg/m2 after adjusting for maternal age. The modified obesity criteria could help predict adverse pregnancy outcomes in Koreans.