http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
被蔭이 Angelica takesimana의 物質生産에 미치는 效果에 關한 硏究
李一球,金源,徐貞姬,李浩俊 建國大學校附設 應用科學硏究所 1979 理學論集 Vol.5 No.-
A cultural experiment was performed on Angelica takesimana Plant in order to investigate the dry matter production under varying relative light intensity. The light level in this experiment was 7%, 30%, 50%, 70%, and 100%(control) daylight. The varying light intensities were controlled by reed and nylon screens supported on wooden frames (2m×1.2m×0.7m). Under these conditions the growth or dry matter production of the samples was observed. The results are summarized as follows: 1. The growth patterns of Angelica takesimana in total dry matter production per individual in the last sampling were generally divided into three groups: 70%, 50%-100% and 7%-30%. And the growth of Angelica takesimana in total plant dry weight was high value in the 70% daylight and in deeper shade(7% and 30% daylight) the dry matter production was evidently depressed by shading in later stage. 2. In growth pattern, the C/F ratio showed high value in the 50% and 100% at the first sampling, but at the last sampling was the highest value in the 7% daylight. 3. The T/R ratio showed low value in the 50% and 100% at the first sampling, and it was decreased from 3.2464 to 1.2953 in accordance with the passing of time in the 7%, 30%, and 100%, but it was increased in the 50% and 70% from 2.4229 to 4.1986 in course of the day. 4. The number of the branches was highest in the 70% group, but was not increased in the 7% group.
마그네슘 풍부 해양미네랄 용액이 hairless 마우스의 아토피성 피부염에 미치는 영향
김동희,이규재,최주봉,이영미,윤양숙,김정례,장병수,양용석 韓國電子顯微鏡學會 2008 Applied microscopy Vol.38 No.3
Atopic dermatitis (AD) is a chronically relapsing inflammatory skin disease that often has asthma and allergic rhinitis. Magnesium salts, the important component of minerals in Dead Sea water, are known to exhibit beneficial effects in inflammatory disease. Favorable effects of magnesium ions and sea water treated to the skin of patients with contact dermatitis have been reported. But histological and immunological investigations are insufficient. This study was performed to examine the inhibitory effect of magnesium-rich sea mineral water on the development of AD-like skin lesions in hairless mice. AD-like skin lesions are induced by the repeated application of 2,4-dinitrochlorobenzene (DNCB). Local application of magnesium-rich sea mineral water on hairless mice skin applied with DNCB inhibited the development of AD-like skin lesions as exemplified by a significant increase in skin hydration (p<0.01), and a decrease in epidermal water loss (p<0.01). Serum IgE level was also significantly decreased (p<0.01). These results suggest that magnesiumrich sea mineral water inhibits the development of DNCB-induced AD-like skin lesions in hairless mice. These observations indicate that magnesium-rich sea mineral water may be alternative and assistant substances for the management of AD. 아토피성 피부염은 주로 천식과 비염 등을 동반하는, 주위에서 흔히 볼 수 있는 만성 염증성 피부질환으로 유전학적, 환경적, 면역학적 요인이 복잡하게 연관되어 발병한다. 해수에 포함된 마그네슘염은 피부에 작용하여 피부장벽을 보호하는 것으로 알려지고 그에 대한 면역학적인 연구와 조직학적 연구는 아직 부족한 실정이다. 이번 연구에서는 피부염을 인위적으로 일으키는 hapten 형성물질인 DNCB를 hairless mice에 도포하여 아토피 피부염 동물 모델로 만든 후, 마그네슘이 다량 함유된 해양 미네랄수를 처리한 후 피부장벽에 미치는 영향을 관찰하였다. DNCB로 피부염을 유발한 hairless mice에 해양미네랄수를 국소적으로 도포하였을 때 유의한 피부수분함량이 증가와 경피수분손실의 감소를 확인하였다 (p<0.01). 피부측정에서 피부거칠기(skin roughness, p<0.05)와 스케일생성 (skin scaliness, p<0.01)은 실험군에서 유의한 개선효과를 나타내었으며 조직학적 검사에서도 피부손상지수의 유의한 감소 (p<0.01)와 비만세포와 (p<0.01) 호산구의 감소(p<0.05) 소견을 보였고 또한 혈청 IgE의 감소를 관찰할 수 있었다(p<0.01). 이상과 같이 마그네슘이 다량 함유된 해양 미네랄수 도포는 피부장벽의 손상을 줄이고 피부수분손실을 효과적으로 줄임으로 아토피성 피부염 증상 유발을 억제할수 있음을 확인하였다. 현재까지 아토피성 피부염의 관리를 위하여 세라마이드나 식물성 오일의 보습제가 주로 활용되고 있는 상황에서 부가적인 피부장벽의 보호를 위하여 탈염 해양 미네랄수의 활용이 가능할 것으로 판단되며 장기적으로 아토피 피부염치료의 대체, 혹은 보조적 물질로 활용될 수 있을 것으로 기대된다.
( Byung Heon Kang ),( Soon Young Hwang ),( Jeong Yeop Kim ),( Yu Ah Hong ),( Mi Yeon Jung ),( Eun Ah Lee ),( Ji Eun Lee3 ),( Jae Bok Lee ),( Gang Jee Ko ),( Heui Jung Pyo ),( Young Joo Kwon ) 대한내과학회 2015 The Korean Journal of Internal Medicine Vol.30 No.6
Background/Aims: To prevent hypocalcemia after parathyroidectomy (PTX), parenteral calcium is required in addition to oral calcitriol and calcium. After switching to oral calcium, patients can be discharged from the hospital. The aim of this study was to analyze the clinical characteristics and outcomes of PTX performed at a single Korean center and to investigate the associated laboratory factors used to analyze the total amount of postoperative calcium required. Methods: We enrolled 91 hemodialysis patients undergoing PTX from November 2003 to December 2011. We collected clinical and laboratory data preoperatively, 12 and 48 hours postoperatively, at discharge, and 3 and 6 months postoperatively. Results: In total, 59 patients underwent PTX with autotransplantation (AT), 6 underwent total PTX without AT, 11 underwent subtotal PTX, and 15 underwent limited PTX. Total PTX without AT showed the lowest recurrence rate. At all postoperative time points, the mean levels of serum calcium, phosphorus, and intact parathyroid hormone (iPTH) decreased significantly, compared with preoperative levels; however, alkaline phosphatase (ALP) increased significantly from 48 hours postoperatively to discharge (p < 0.001). On multiple linear regression analysis, the total amount of injected calcium during hospitalization showed a significant correlation with preoperative ALP (p < 0.001), preoperative iPTH (p = 0.037), and Δphosphorus at 48 hours (p < 0.001). We developed an equation for estimating the total calcium requirement after PTX. Conclusions: Preoperative ALP, preoperative iPTH, and Δphosphorus at 48 hours may be significant factors in estimating the postoperative calcium requirement. The formula for postoperative calcium requirement after PTX may help to predict the duration of postoperative hospitalization.
Lee, Byung-Seok,Park, Sung-Yul L.,Lee, Jang Mi,Jeong, Jeung-Hyun,Kim, Jin Young,Chung, Choong-Heui,Lee, Doh-Kwon American Chemical Society 2016 ACS APPLIED MATERIALS & INTERFACES Vol.8 No.37
<P>The single-bath electrochemical deposition of CuInSe2 often leads to short-circuit behavior of the resulting solar cells due to,lhe high shunt conductance. In this, study, in amattemp't to resolve this problem, the influence of the Se precursor concentration (C-se) on electrodqpOsited CuInSe2 films and solar cell devices is examined in the C-Se range of 4.8 to 12:0 mM in selenite-based aqueous solutions ':containing Cu and In chlorides along with sulfarnic acid (H3NSO3) and potassium hydrogen phthalate (C8H5KO4) additives. As C-se increases,, the CuInSe2 layers become porous; and the grain, growth of the CuInSe2 phase is restricted,-while the parasitic shunting problem wag-markedly alleviated, as unambiguously demonstrated by measurements of the local current distribution. Due to these ambivalent influences, an optimal value of cse that achieves the best quality of the films for high-efficiency solar cells is identified. Thus, the.device prepared with 5.2 mM C-Se exhibits a power-conversion efficiency exceeding 10% with greatly improved device parameters, such as the shunt conductance and the reverse saturation current. The rationale of the present approach along-with the physicochemical,origin of its conspicuous impact on the resulting devices is discusSed in-conjunction with the electro-crystallization mechanism-of the CuInSe2 compound.</P>