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민준원,장명철,명나혜 대한응급의학회 2011 大韓應急醫學會誌 Vol.22 No.1
Splenic epidermoid cyst is a rare disease affecting the spleen. We report a 24-year-old male who presented with acute abdominal pain. Computed tomography scan of the abdomen revealed a huge cystic lesion of the spleen. At laparotomy, a huge cyst was found arising from the low pole of the spleen. It was removed by splenectomy. Histopathological findings were consistent with splenic epidermoid cyst.
플라즈마 용사에 의한 AlSi-Al$_2$O$_3$ 복합재료 코팅층의 미세조직 및 마찰.마모특성
민준원,유승을,김영정,서동수,Min Joon-Won,Yoo Seung-Eul,Kim Young-Jung,Suhr Dong-Soo 대한용접접합학회 2004 대한용접·접합학회지 Vol.22 No.5
AlSi-Al$_2$O$_3$ composite layer was prepared by plasma spray on steel substrate. The composite powder for plasma spray was prepared by simple mechanical blending. The wear resistance of the composite layers and matrix aluminum alloy were performed in terms of size distribution of ceramic particles. Friction coefficients of AlSi were decreased with incorporation of $Al_2$O$_3$. The tribological properties of coated layers were affected by the size of incorporated $Al_2$O$_3$ particle. The reinforcement of $Al_2$O$_3$ particle into aluminum alloy matrix decreased the friction coefficient as well as wear loss.
민준원,박윤준 대한의학레이저학회 2021 MEDICAL LASERS Vol.10 No.4
Breast cancer-related lymphedema (BCRL) is characterized by the persistent accumulation of interstitial fluid in the peripheral tissues after treatment for breast cancer. Photobiomodulation (PBM) therapy is widely used as supportive care for patients with BCRL. A search was performed in the PubMed database to find relevant articles published over the last 20 years. Randomized controlled trials that evaluated the efficacy of PBM therapy on BCRL were included. A total of 24 studies were identified through the PubMed database. Seven studies were used for the final analysis, after excluding items that did not meet the duplication and inclusion criteria. Although PBM showed some improvement in reducing arm circumference and the symptoms related to BCRL, the results of the meta-analysis did not show any significant benefit in alleviating lymphedema. Further studies are needed with the recruitment of more participants to evaluate the long-term efficacy and safety of PBM in the management of BCRL.
플라즈마 용사에 의한 Al-SiC<sub>p</sub> 복합재료 코팅층의 제조
민준원,유승을,김영정,김정석,서동수 한국세라믹학회 2003 한국세라믹학회지 Vol.40 No.5
기계적 합금화법에 의해 준비된 복합분말을 이용하여 용사공정에 의해 알루미늄 모재에 Al-SiC$_{p}$ 복합재료 코팅층을 형성하였다. 24h milling 후 복합화된 분말을 제조할 수 있었으며, 이 분말을 용사하여 복합재료 코팅층을 형성할 수 있었다. 코팅층의 두께 및 기공율과 공정변수와 관계를 분석하였으며, 경도의 증가를 확인하였다. 또한 TEM분석에 의해 Al-Si-C-O 화합물의 존재를 확인하였다. Al-SiC$_{p}$ composite layer was prepared by plasma thermal spray on aluminum substrate using composite powder prepared by mechanical alloying. Mechanically alloyed powder was achieved after 24 h milling, which was used for thermal spray coating. The correlations between process conditions and thickness/porosity were analyzed, and increase of hardness was confirmed. The presence of Al-Si-C-O compound was detected by TEM analysis.
민준원,장명철 대한응급의학회 2011 大韓應急醫學會誌 Vol.22 No.3
Retroperitoneal hemorrhage from a ruptured suprarenal artery aneurysm is very rare. We report on a 34-year-old man who underwent selective angiography for diagnosis and treatment of retroperitoneal hemorrhage for suprarenal artery aneurysm. The patient made a full recovery with no evidence of further hemorrhage.