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응고제가 우유두부의 물성 및 관능적 특성에 미치는 영향
우나리야,이민선,박수진,강명화 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.5
Different types of coagulant and characteristics of its concentration added in the process of making milk curd were compared in this study. The pH of whey decreased when the amount of coagulant increased. The turbidity of whey was decreased when 5% of acetic acid and lemon juice were put into as coagulants. The texture of milk curd made with cow's milk and skim milk was measured the highest when acetic acid and lemon juice were added at 3, 5% of their concentration. The fracturability of milk curd made only with cow's milk decreased as the concentration of each coagulant increased. The cohesiveness was decreased as concentration of coagulant increased. The springiness was slightly changed depending on its coagulant but didn't show much of difference. The gummminess of milk curd made with cow's milk was increased when 3, 5% of coagulant was added. The result of sensory evaluation of milk curd showed that preference of milk curd wasn't depending on types of milk nor its coagulant. Also, flavor preference showed better when lemon juice was added. Preference in texture of milk curd was the highest made with cow's milk and skim milk. Preference in taste was high when 10% of lemon juice was added to skim milk and preference in its appearance showed higher when the alum was added as a coagulant to both cow's milk and skim milk than other coagulants.
Pseudomonas fluorescens의 Salicylate hydroxylase를 암호하는 유전자의 클로닝
정유선,민경희,이나리 숙명여자대학교 자연과학연구소 1997 자연과학논문집 Vol.- No.8
Pseudomonas fluorescens SME11로 부터 salicylate hydroxylase를 암호하는 nahG 유전자를 클로닝하기 위하여 NAH플라스미드를 주형으로 하여 PCR을 수행하였다. PCR방법으로 얻은 1.6kb DNA절편을 pT7Blue(R)벡터에 삽입시켜 재조합 플라스미드 pNY1을 제조하였으며 이것을 E. coli에 형질전환하였다. 재조합 DNA를 제한효소로 처리하여 EcoRⅤ, KpnⅠ, PvuⅡ, StuⅠ등이 존재함을 확인하였으며, 이것으로 간단한 제한효소지도를 작성하였고 재조합 DNA를 한 방향으로 deletion하여, nahG유전자를 포함한 DNA절편의 염기서열을 결정하였다. 재조합 플라스미드인 pNY1에는 1,305bp크기의 open reading frame이 존재하였으며, salicylate hydroxylase에 해당하는 434개의 아미노산을 암호하였다. 아미노산서열을 비교한 결과, P.putida KF715와 84.1%, P.putida PpG7과 71.4%, P.putida S-1 과 48.7%의 homology를 보였으며, 또한 Sphingmonas sp.와 26.8%의 homology를 보였다. Pseudomonas fluorescens SME11 carrying NAH plasmid was isolated from wastewater. To clone nahG gene encoding salicylate hydroxylase, 1.6kb DNA fragment of PCR product from NAH plasmid was inserted to pT7Blue(R) vertor and resulting recombinant DNA was named pNY1. The transformants, E.coli SMY1, clone containing the recombinant plasmid pNY1 were able to convert salicylate to catechol and produced dark brown color caused by accumulation and auto-oxidation of catechol. Restriction endonuclease mapping of 1.6kb size of the insert of the recombinant plasmid pNY1 was carried out with EcoRⅤ, KpnⅠ, PvuⅡ, StuⅠ. By means of unidirectional ExoⅢ deletion and dideoxynucleotide chain termination, we determined the nucleotide sequence of the DNA fragment containing nahG gene. One open reading frame of 1,305 bp corresponding to 434 amino acids was found in the insert DNA. Deduced amino acid sequences of the nahG gene showed 84.1%, 71.4%, 48.7%, and 26.8% homologies to those from P.putida KF715, P. putida PpG7, P. putida S-1, and Sphingmonas sp., respectively.
S-458 A Case of spontaneous full recovery from Central Pontine Myelinolysis
( Hong Jae Jeon ),( Won Jung Choi ),( Hae Ri Kim ),( Young Rok Ham ),( Dae Eun Choi ),( Ki-ryang Na ),( Kang Wook Lee ) 대한내과학회 2016 대한내과학회 추계학술발표논문집 Vol.2016 No.1
Central pontine myelinolysis (CPM) is a neurological disease characterized by destruction of myelin sheaths of brain cells in the pons, usually caused by rapid correction of chronic hyponatremia. Although previous reports on CPM described very poor outcome, recent some reported that relowering of serum sodium within 24hr after symptom onset showed a favor recovery from CPM. However, it is unusual spontaneous full recovery from CPM without relowing of Na. We report a case of 59-year-old woman diagnosed with CPM, and recovered spontaneously. A 59-year-old woman presented to our hospital with scalp laceration. On admission she was alcohol ordor state, but she was alert. She complained nausea and vomiting which had evolved 2 days. Her serum biochemistry showed sodium of 111.1 mEq/L. She was treated with 3% saline. And six hours later, when serum sodium was 119.9 mEq/L, 3% saline was stopped and we started 0.9% saline. At that night, she showed severe emotional lability and disorientation. She didn’t sleep all night. On 2nd admission day, serum sodium was 130.4 mEq/L. We consult to psychiatry about anxiety. She was diagnosed with delirium tremens and started on chlordiazepoxide. On 3rd admission day, serum sodium reached 137.8 mEq/L. On 5th admission day, patient became drowsy. Neurological examination revealed only general weakness. Focal neurologic deficits were not observed. So we suspected drug side effect due to chlordiazepoxide. We decided to reduce chlordiazepoxide. On 9th admission day, her drowsy mental state wasn’t improved. We stopped chlordiazepoxide. Brain MRI was performed, and MRI showed high signal intensity in the central pons and bilateral basal ganglia and thalamus on T2-weighted image and diffusion weighted imaging. She was diagnosed with CPM and EPM. We continued supportive care since then, but she couldn’t speak and couldn’t move her extremities herself for a long time. While continuing supportive care, her drowsy mental state gradually improved. On 22th admission day, she became alert and could handshake. On 26th admission day, she was discharged to convalescent hospital. Three weeks after discharge, when she came to out-patient clinic, she showed full recovered neurologic problem.
Materials Life Cycle Assessment of Chemical Strengthening Glass Used for Touch Screen Panel
Lee, Na Ri,Lee, Soo Sun,Kim, Kyeong Il,Hong, Sung Jei,Hong, Tae Whan Trans Tech Publications, Ltd. 2012 Materials science forum Vol.724 No.-
<P>Nowadays, rapidly growing mobile machines such as tablet PC and smart phone equipped with touch screen panel using a sturdy material for products surface protection. Therefore, surge of chemical strengthening glass was increased. Through large areas of chemical strengthening glass, the surface scratch will cause a major failure. Most of these failures will be discarded because it is difficult to reuse. Thus, discarded chemical strengthening glass is expected to increase as with the demand. Accordingly, the importance of environmental pollution, waste landfill has been proposed. Recently, touch screen of chemical strengthened glass all-in-one type was commercialized. Therefore reuse is possible, due to surface of discarded chemical strengthening glass is washed and wipe off the electrode. In this study, we carried out the MLCA(Material Life Cycle Assessment; MLCA) on a chemical strengthening glass by landfill scenario, reuse scenario and identified the key issues.</P>
( Na Ri Jeong ),( Ji Young Kang ),( Chin Kook Rhee ),( Seung Joon Kim ),( Seok Chan Kim ),( Sook Young Lee ),( Young Kyoon Kim ),( Jong Min Lee ),( Hwa Young Lee ) 대한결핵 및 호흡기학회 2020 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.128 No.-
Background Fixed-dose combination (FDC) formulations of drugs for the treatment of tuberculosis are recommended by World Health Organization. In South Korea, the formulations have been developed recently and increasingly used. However, there have been no studies to verify the effect of the FDC on tuberculous infection in South Korea. We conducted a study to compare the efficacy and safety in the treatment of tuberculosis between FDC and separate table (ST) regimens. Methods A retrospective observational study was conducted in Seoul St. Mary's Hospital from July 2012 to May 2015. 501 active tuberculosis patients who received anti-tuberculosis medications (either as FDC or ST) were included. FDC formulation is Tubes: isoniazid 75, rifampicin 150, pyrazinamide 400, and ethambutol 275 mg/tablet) and we used it for the intensive phase according to the body weight of the patients. Results 242 patients out of 501 participants received FDC for the treatment of tuberculosis. Both of FDC and ST groups have similar baseline characteristics. FDC group had lower daily dosage of isoniazid and rifampicin than ST group by the body weight. As for the efficacy, both groups showed similar culture conversion rate at the 2-months of the treatment. There are no significant difference of the treatment outcome between the two groups (Favorable outcome: 87.2% in FDC group vs 91.9% in ST group, p=0.085). During the follow up of 1 year, recurrent rate of tuberculosis was not different between the two groups. Adverse events related to antituberculos drugs at the 8-week intensive phase of treatment occurred in the two groups with a similar frequency, including the severe adverse event requiring hospitalizations (7.92% in FDC group vs 9.09 in ST group, P=0.64). Conclusions The study provides evidence that FDC has a comparable efficacy and safety profile with ST for the treatment of tuberculosis in South Korea.