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논문 : 강원도 양양지역 소나무림의 지상부 바이오매스와 수관층 연료특성에 관한 연구
김성용 ( Sung Yong Kim ),이영진 ( Young Jin Lee ),장미나 ( Mi Na Jang ),서연옥 ( Yeon Ok Seo ),구교상 ( Kyo Sang Koo ),정성철 ( Sung Cheol Jung ),김경하 ( Kyung Ha Kim ) 한국임학회 2012 한국산림과학회지 Vol.101 No.2
본 연구의 목적은 강원도 양양지역에 분포하는 소나무림을 대상으로 지상부 바이오매스와 수관층 연료특성에 대하여 분석하고자 하였다. 연구대상지는 강원도 양양군 현남면 하월천리 일대 소나무림으로 선정하였으며, 총 13본의 표본목을 벌채하여 분석하였다. 본 연구 결과에 의하면, 양양지역 소나무림의 줄기밀도(g·cm-3)는 0.347~0.409, 지상부 바이오매스 확장계수는 1.251~1.419의 범위로 나타났다. 지상부 연료량은 총 161.6 Mg·ha-1로 나타났으며, 줄기 126.4 Mg·ha-1, 가지 29.3 Mg·ha-1, 잎 5.9 Mg·ha-1로 나타났다. 수관층 연료특성 인자에 관한 연구에서는 수관화 확산 시 연소될 수 있는 연소가능 연료(잎~1 cm이하 가지)의 비율은 45.2%로 나타났고, 연료량을 수관체적으로 나눈 연소가능 연료밀도(kg·m-3)는 평균 0.178로 나타났다. 본 연구의 결과는 소나무림의 바이오매스 및 탄소 흡수량 추정과 수관화 위험성을 연료적 관점에서 평가하는데 있어 유용한 기초자료가 될 것으로 사료된다. The objective of this study was to analyze the above-ground biomass and crown fuel characteristics of Pinus densiflora stands in Yangyang, Gangwon province. A total of thirteen representative trees were destructively sampled in Yangyang region. The results showed that the stem density (g·cm-3) was 0.347~0.409, whereas the above-ground biomass expansion factors ranged from 1.251~1.419. In terms of crown fuel biomass, the above-ground biomass was 161.6 Mg·ha-1 while the stem biomass, branch biomass and needle biomass were 126.4 Mg·ha-1, 29.3 Mg·ha-1 and 5.9 Mg·ha-1, respectively. Needles and twigs with less than 1 cm diameter accounted 45.2% of the total crown fuel load. The available crown bulk density, which was calculated by dividing the crown fuel load to the crown volume, was 0.178 kg·m-3. The results of this study on the biomass and carbon stocks estimation of the Pinus densiflora together with the crown fire hazard assessment based on crown fuel loads are very significant information for the forest managers.
Pascua, Philippe Noriel Q.,Song, Min-Suk,Kwon, Hyeok-Il,Lim, Gyo-Jin,Kim, Eun-Ha,Park, Su-Jin,Lee, Ok-Jun,Kim, Chul-Joong,Webby, Richard J.,Webster, Robert G.,Choi, Young-Ki American Society for Microbiology 2013 Journal of virology Vol.87 No.19
<P>We previously reported that influenza A/swine/Korea/1204/2009(H1N2) virus was virulent and transmissible in ferrets in which the respiratory-droplet-transmissible virus (CT-Sw/1204) had acquired simultaneous hemagglutinin (HA<SUB>D225G</SUB>) and neuraminidase (NA<SUB>S315N</SUB>) mutations. Incorporating these mutations into the nonpathogenic A/swine/Korea/1130/2009(H1N2, Sw/1130) virus consequently altered pathogenicity and growth in animal models but could not establish efficient transmission or noticeable disease. We therefore exploited various reassortants of these two viruses to better understand and identify other viral factors responsible for pathogenicity, transmissibility, or both. We found that possession of the CT-Sw/1204 tripartite viral polymerase enhanced replicative ability and pathogenicity in mice more significantly than did expression of individual polymerase subunit proteins. In ferrets, homologous expression of viral RNA polymerase complex genes in the context of the mutant Sw/1130 carrying the HA<SUB>225G</SUB> and NA<SUB>315N</SUB> modifications induced optimal replication in the upper nasal and lower respiratory tracts and also promoted efficient aerosol transmission to respiratory droplet contact ferrets. These data show that the synergistic function of the tripartite polymerase gene complex of CT-Sw/1204 is critically important for virulence and transmission independent of the surface glycoproteins. Sequence comparison results reveal putative differences that are likely to be responsible for variation in disease. Our findings may help elucidate previously undefined viral factors that could expand the host range and disease severity induced by triple-reassortant swine viruses, including the A(H1N1)pdm09 virus, and therefore further justify the ongoing development of novel antiviral drugs targeting the viral polymerase complex subunits.</P>
HA, Eun-Suk,LEE, Eun-Ok,YOON, Taek-Joon,KIM, Jin-Hyung,PARK, Jong-Oh,LIM, Nak-Cheol,JUNG, Sung-Ki,YOON, Byung-Soo,KIM, Sung-Hoon WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2004 東西醫學硏究所 論文集 Vol.2004 No.-
Spatholobi Caulis has been used in Oriental medicine to treat cancer and blood stasis. In this study, the methylene chloride fraction of Spatholobi Caulis (MCSC) was examined to determine if it possesses anti-cancer activity via its apoptosis-inducing activity. MCSC exhibited a strong cytotoxic effect against human monocyte leukemia U937 cells (IC_(50)=15.1 μg/ml). A TUNEL assay showed that the MCSC caused a characteristic ladder pattern of discontinuous DNA fragments and apoptotic bodies. Flow cytometric analysis confirmed that MCSC significantly increases the number of apoptotic cells stained by annexin V^(+)/PI^(-) cells. Western blotting revealed that MCSC activated caspase-3 expression and cleaved poly (ADP-ribose) polymerase (PARP) in a concentration-dependent manner. An enzyme-linked immunosorbent assay (ELISA) demonstrated that MCSC significantly activated the caspase-3 activity compared with the untreated control by. Taken together, these results suggest that MCSC can induce apoptosis in U937cells via the caspase dependent pathway.
Effectiveness of Bleomycin microneedle treatment for recalcitrant wart
( Ha Ryeong Ryu ),( Jeong Soo Kim ),( Chul Hyun Yun ),( Ji Hoon Kim ),( Han Sol Lee ),( Jin Ok Beak ),( Jong Rok Lee ),( Jung Hwan Park ),( Joo Young Rho ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: Wart is common skin disease caused by the HPV infection. Most treatment involving physicaldestruction of the infected cells has been used, such as cryotherapy. But intense pain, failure or recurrences may be substantial problems.Intralesional bleomycin has been used in the treatment of viral warts. It has been suggested that bleomycin induces cytotoxic or virucidal actions, breakages in the DNA strand and produce superoxide free radicals. Objectives: We performed pilot study to apply bleomycin coated microneedle into wart lesion to evaluate the treatment efficacy. Methods: Ten patients with warts were applied bleomycin microneedle at interval of 2 weeks. Treatment efficacy was assessed by Physician``s Global Assessment (PGA) and Patient``s Global Assessment (PaGA), and mean percentage of size reduction. Results: The mean treatments duration was 14.6 weeks.The mean PGA and PaGA were 1.4 and 2.0, respectively. All of them revealed apparently improved lesion more than 80% size reduction compared to the base line. No adverse reaction or pain, bleeding and discomforts were observed. One patient with two warts applied cryotherapy and microneedle, respectively. The effectiveness of bleomycin microneedle was similar to conventional cryotherapy. Conclusion: Bleomycin microneedle might be suggested as a new treatment modality for the patients who have unable to tolerate painful treatment. Further study with larger number of patients and comparison with conventional treatment is mandatory.
Ovarian dysgerminoma with Mullerian anomaly: a case report
( Ha Na Kim ),( Jung Mi Byun ),( Jin Ok Park ),( Hye Kyoung Yoon ),( Da Hyun Kim ),( Dae Hoon Jeong ),( Young Nam Kim ),( Kyung Bok Lee ),( Moon Su Sung ) 대한산부인과학회 2020 Obstetrics & Gynecology Science Vol.63 No.1
Mullerian anomalies are rare deformities in women, and only a few cases concerning gynecologic malignancies arising in patients with congenital uterine malformations have been reported. Herein, we present the case of a 34-yearold woman with dysgerminoma with a Mullerian anomaly (uterus didelphys). She had secondary amenorrhea, and an ovarian mass and uterus didelphys were discovered during examination. After right salpingo-oophorectomy, the tumor was confirmed as dysgerminoma, and a chromosome study revealed a normal female karyotype (46, XX). The patient completely responded to 6 cycles of chemotherapy. To our knowledge, this is the first reported case of dysgerminoma with uterus didelphys. Although gynecologic malignancies in patients with Mullerian anomalies are very rare, clinicians should be aware of the coexistence of gynecologic malignancies and uterine malformations.