http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Increased 11β-hydroxysteroid dehydrogenase type 1 contributes to barrier dysfunction in aged skin
( Beom Jun Kim ),( Noo Ri Lee ),( Chung Hyeok Lee ),( Young Bin Lee ),( Solam Lee ),( Hyun Jee Hwang ),( Eunjung Kim ),( Eung Ho Choi ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2
Background: 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) converts inactive cortisone into cortisol, an active form, and is expressed by several tissues including the skin. Excessive active glucocorticoid (GC) deteriorates skin barrier function. Objectives: To find out if 11β-HSD1 affects on the barrier function in aged skin. Methods: We have performed human and in vivo studies. We measured cortisol in stratum corneum (SC) and oral epithelium of the elderly and young. Hairless mice were used for 11β-HSD1 immunohistochemistry staining of skin and measuring skin barrier function and serum cytokines. 11β-HSD1 knock-out (KO) mice and its wild-type were used for measuring lipid synthesis related enzyme. Results: Cortisol levels were elevated in SC and oral epithelium of the elderly rather than young. The 11β -HSD1 expression was increased in immunohistochemistry stain of aged mice skin. Aged mice showed decreased transepidermal water loss (TEWL) and SC hydration, and increased SC integrity than young. Serum inflammatory cytokines including interleukin-1α, -4, -10, -31 and tumor necrosis factor-α were increased in aged mice than young. The expressions of lipid synthesis related enzymes in epidermis were elevated in KO mice and topical 11β -HSD1 inhibitor applied mice. Conclusion: 11β-HSD1 expression is elevated in aged skin. It increases active GC and then deteriorates skin barrier function.
Immobilization with Ketamine HCI and Tiletamine-Zolazepam in Cynomolgus Monkeys
Myung-cheol Kim,Sung-hyeok Hong,Soo-jin Lee,Young-suk Kim,Jae-il Lee 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
with Ketamine HCl and Tiletamine-Zolazepam in Cynomolgus MonkeysJae-il Lee, Sung-hyeok Hong, Soo-jin Lee, Young-suk Kim and Myung-cheol Kim*Laboratory of Veterinary Surgery, College of Veterinary Medicine, Chungnam National University, Daejeon 305-764, KoreaReceived March 4, 2003 / Accepted July 2, 2003J. Vet. Sci. (2003), 4(2), 187-191JOURNAL OFVeterinaryScience*Corresponding author: Myung-cheol Kim Laboratory of Veterinary Surgery, College of Veterinary Medicine, Chungnam National University, Daejeon 305-764, Korea Tel: +82-42-821-6757, Fax: +82-42-822-4216 E-mail: mckim@cnu.ac.kr
동물원에서 사육중인 Japanese Macaque (Macaca fuscata)에서 Zoletil 마취에 관한 연구
이재일,이수진,홍성혁,신남식,김덕환,박창식,전무형,조종민,김영석,김명철 충남대학교 형질전환복제돼지연구센터 2004 논문집 Vol. No.8
To evaluate the effects of Zoletil (tiletamine-zolazepam) that have been widely used for the chemical restraint and anesthesia of primates, on physiologic alteration, blood gas analysis and anesthetic duration in the Japanese macaque(Macaca fuscata), this study was carried out. Zoleril was administered by intramuscular injection, Evaluation of temperature, heart rate, respiration rate and blood gas analysis were performed before administration ancl at 1,10, 20, 30, 40, 50 and 60 min after administration, and induction and maintenance time was recorded. There was no significant difference in heart rate, PCO₂PO₂after Zolcril administration and temperature, respration rate, pH were significant difference compared with those of before administration, The induction time was 2.5±l.Omin and maintenance time was 86±23.2min. It was considered that Zoletil could he usefully used for the sedation and immobilization of Japanese macaque reared in zoological garden.
화학-기계적 우식 제거법을 이용한 유구치 우식의 치료 : 증례보고
이혁상,이재천,김영재,김정욱,김종철,장기택 大韓小兒齒科學會 2004 大韓小兒齒科學會誌 Vol.31 No.2
전통적인 bur에 의한 우식치질의 삭제는 진동과 열에 의한 자극을 초래하기 때문에 아이들은 치과에 가는 것을 무서워 한다. 최근 전통적인 방법을 대체하는 방법을 개발하려는 노력이 이루어져 왔고, 화학-기계적인 우식 제거법 역시 이러한 시도 중 하나이다. Carisolv^(TM)는 세가지 아미노산과 낮은 농도의 sodium hypochlorite, 그리고 특별하게 고안된 수 기구로 구성된 제품이다. 본 증례는 Carisolv^(TM)로 치료한 두 증례를 보고한다. 우식 상아질을 Carisolv^(TM) gel과 기구로 제거하고 복합레진으로 수복하였다. The conventional drilling method of caries removal makes vibration and thermal stimuli, so that children are afraid of dental treatment. Recently, various non-invasive caries removal techniques of alternatives to traditional methods are introduced and chemo-mechanical canes removal is one of them. Carisolv^(TM) comprises a gel that is composed of three different amino acids and a low concentration of sodium hypochlorite and specially-designed hand instruments. This report describes two cases of dental caries treatment with Carisolv^(TM). The carious dentin was eliminated with Carisolv^(TM) gel with instruments and then composite resin restoration was conducted.
박영주,이종혁 경성대학교 생산기술연구소 1996 생산기술연구지 Vol.3 No.-
In this paper, we proposed a teaching method of pronunciation using analysis and articulation rule. The power spectra of vocal trace transfer function are achieved by the FFT. Formants for acoustic analysis are given from the peaks which are found in those spectra. The haming window with the frame of 256 samples is used in preprocessing. We found that formants distribution in each vowels are stable and some vowel is able to seperate by teaching of pronounce. These results encouraged us very much and show that this method can be applied to the teaching method of pronounciation in primary school.
상계치 이론을 이용한 장방형 개구부를 갖는 철근콘크리트 깊은 보의 전단내력 평가
양근혁,이영호,은희창,정헌수 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)
The purpose of this study is to evaluate the failure plane and the shear capacity of reinforced concrete deep beams with rectangular openings using upper bound theorem. A numerical optimization procedure programmed to obtain the minimum value of the shear capacity by adjusting the position of the instantaneous center according to various potential failure planes. The predictions obtained from the proposed method are in good agreement with experimental results.
살충제 Monocrotophos와 Phosphamidon의 사과 중 잔류특성 평가
권찬혁,이영득 대구대학교 생명과학연구소 2003 생명과학연구 Vol.1 No.3
국내 과수재배시 사용되고 있는 2종의 유기인계 살충제인 monocrotophos와 phosphamidon에 대하여 사과 중 잔류특성을 조사하고 수확물 중 잔류수준에 대한 안전성을 평가하고자 하였다. Monocrotophos와 phosphamidon 액제를 살포시기와 회수를 달리하여 사과 과수에 살포하고 수확물 중 잔류량을 조사한 결과, 약제 최종살포일이 수확기에 임박할수록 또한 살포회수가 증가할수록 수확물 중 잔류량이 높아지는 경향을 나타냈으며, 살포회수보다는 최종살포시기가 잔류수준에 미치는 영향이 더 크게 나타났다. 사과 과실에서 monocrotophos에 비하여 phosphamidon이 더 빠른 속도로 소실되었으며 phosphamidon의 두 유효성분 중 β-이성체 보다는 α-이성체의 잔류성이 더 길게 나타났다. 살포시기와 회수에 따른 수확물 중 잔류량과 잔류허용기준을 비교할 때 현행 안전사용기준은 적합한 것으로 판단되었다. 한편 본 연구에서 새로이 확립한 monocrotophos 잔류분석법은 분석감도, 효율 및 재현성이 기존분석법보다 우수하여 일상적 잔류분석법으로서의 활용이 충분히 가능하다고 생각된다. A supervised field trial was undertaken to evaluate the terminal residue of two systemic organophosphorus insecticides, monocrotophos and phosphamidon, in apple fruits. Monocrotophos 24% SL and phosphamidon 50% SL formulations were foliar-applied two to four times at the standard rate of 0.12 and 0.25 ㎏ a.i./500 liter/10a per application for dilute spray, respectively. Apple fruits were taken at harvest and subjected to the residue analysis. Terminal residues of monocrotophos and phosphamidon in apples which ranged 0.55∼1.32 and 0.35∼1.55 ㎎/㎏, respectively, tended to be higher as shorter pre-harvest intervals (PHI) and higher number of applications were adopted. Application timing other than frequency seemed to be the critical factor to determine the terminal level of both residues. When applied in a same manner, monocrotophos was more persistent than phosphamidon in apple fruits under field condition, while α-isomer was resided longer than β-isomer between two active ingredients of phosphamidon. Considering maximum residue limits of monocrotophos and phosphamidon for apples, residue levels found in this study confirmed that current safe use standards for the insecticides could be practically employed. An analytical method newly developed for monocrotophos residues during the study showed high reproducibility superior to erratic GLC method.