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치질(痔疾)의 외치법(外治法)(비수술요법)과 세치법(洗痔法)에 관한 문헌적 고찰
이선용,서형식,Lee, Seon-Yong,Seo, Hyung-Sik 대한한방안이비인후피부과학회 2006 한방안이비인후피부과학회지 Vol.19 No.3
Objective : The object of this literatual study is to investigate the external therapy and irrigation-therapy(洗痔法) of hemorrhoids Methods : We have selected data related to the external therapy and irrigation-therapy(洗痔法) of hemorrhoids on the literature of Oriental medicine. And we analyzed the study. Results : 1. The external therapy of hemorrhoids is fundamental therapy. There are several external therapy, these are irrigation-therapy(洗痔法), fumigation-therapy(薰痔法), paint-therapt(塗痔法), and withering-therapy(枯痔法). 2. The effects of herbs used in this irrigation-therapy(洗痔法) are almost the same as ground rules of hemorrhoids therapy such as, remove heat to stop bleeding(淸熱止血), resolve damp-heat(淸化濕熱), tonify the blood and arrest bleeding(補血止血), clear away heat and loosen the bowels(淸熱通便), nourish blood to relieve dryness(養血潤燥), tonify thr spleen and replenish Ki(補中益氣) Conclusions : Through literatual Study, we basically understood the external therapy and irrigation-therapy(洗痔法) of hemorrhoids. In the study of irrigation-therapy(洗痔法), it seems that further clinical studies on hemorrhoids therapy.
이선용,서형식,Lee, Seon-Yong,Seo, Hyeong-Sik 대한한방안이비인후피부과학회 2007 한방안이비인후피부과학회지 Vol.20 No.2
Objectives : This experimental study was performed to investigate the effects of Sulfur extract on anti-inflammation and anti-Propionibacterium acnes. Methods : The cytotoxicity of Sulfur extract about viability of Raw 264.7 cell were tested using a colorimetric tetrazolium assay(MTT assay). To investigate the anti-inflammation effects of Sulfur extract on LPS-induced macrophage Raw 264.7 cell, we used ELISA kit and Western blots. We evaluated anti-oxidation effects of Sulfur extract on HaCaT cell by Enzyme recycling method. And we investigated the inhibitory effects of Sulfur extract on Propionibactrium acnes using paper disk diffusion method. Results: 1. Sulfur extract has a little cytotoxicity in Raw 264.7 cell. 2. Concentration of $100\;{\mu}g/m{\ell}$ Sulfur extract inhibited the production of NO in the Raw 264.7 cell stimulated with LPS. 3. Sulfur extract showed a oxidation inhibition effect by decreasing the DPPH radicals. 4. Sulfur extract has not the significant inhibition effect of Propionibactrium acnes. Conclusions: These results indicate that Sulfur extract has anti-inflammation and anti-oxidation effects. If further study is performed, the use of Sulfur extract will be valuable and benificial in the therapy of Propionibactrium acnes.
합성된 탄산염 및 황산염 그린 러스트의 형성 메커니즘과 이화학적 특성 규명
이선용,최수연,장봉수,이영재,Lee, Seon Yong,Choi, Su-Yeon,Chang, Bongsu,Lee, Young Jae 한국암석학회한국광물학회 2022 광물과 암석 (J.Miner.Soc.Korea) Vol.35 No.2
Carbonate green rust (CGR) and sulfate green rust (SGR) commonly occur in nature. In this study, CGR and SGR were synthesized through co-precipitation, and their formation mechanisms and physicochemical properties were investigated. X-ray diffraction (XRD) and Rietveld refinement showed both CGR and SGR with layered double hydroxide structure were successfully synthesized without any secondary phases under each synthetic condition. Refined structural parameters (unit cell) for two green rusts were a (=b) = 3.17 Å and c = 22.52 Å for CGR and a (=b) = 5.50 Å and c = 10.97 Å for SGR with the crystallite size 57.8 nm in diameter from (003) reflection and 40.1 nm from (001) reflections, respectively. Scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS) results showed that both CGR and SGR had typical hexagonal plate-like crystal morphologies but their chemical composition is different in the content of C and S. In addition, Fourier transform infrared (FT-IR) spectroscopy analysis revealed that carbonate (CO<sub>3</sub><sup>2-</sup>) and sulfate (SO<sub>4</sub><sup>2-</sup>) molecules were occupied as interlayer anions of CGR and SGR, respectively. These SEM/EDS and FT-IR results were in good agreement with XRD results. Changes in the solution chemistry (i.e., pH, Eh and residual iron concentrations (Fe(II):Fe(III)) of the mixed solution) were observed as a function of the injection time of hydroxyl ion (OH<sup>-</sup>) into the iron solution. Three different stages were observed in the formation of both CGR and SGR; precursor, intermediator, and green rust in the formation of both CGR and SGR. This study provides co-precipitation methods for CGR and SGR in a way of the stable synthesis. In addition, our findings for the formation mechanisms of the two green rusts and their physicochemical properties will provide crucial information with researches and industrials in utilizing green rust.
이선용,정재호,서형식,Lee, Seon-Yong,Jung, Jae-Ho,Seo, Hyung-Sik 대한한방안이비인후피부과학회 2009 한방안이비인후피부과학회지 Vol.22 No.3
Objectives : The object of this literature study is to investigate the external treatment of seborrheic dermatitis. Methods : We have selected data related to the external treatment of seborrheic dermatitis on the literature of Oriental medicine. And we analyzed the study. Results : 1. The external treatment of seborrheic dermatitis is fundamental treatment. There are several external treatment, these are paint-treatment, shampoo-treatment and pillow-treatment. 2. Prescription used in external treatment of seborrheic dermatitis is Yungi-go(潤肌膏), Okgi-san(玉肌散), Yongnoe-go(龍腦膏), Johyub-tang(?莢湯). 3. Herb used in external treatment of seborrheic dermatitis is Angelicae dahuricae Radix(白芷), Lysimachia foenumgraecum Hance(零陵香), Veratri Nigri Rhizoma Et Radix(藜蘆), Cannabis Fructus(大麻). Conclusions : Through literatual Study, we basically understood the external treatment of seborrheic dermatitis. In the study of external treatment, it seems that further clinical studies on seborrheic dermatitis treatment.
Effects of Temperature on The Crystallization and Structural Stability of Struvite (MgNH₄PO₄·6H₂O)
Seon Yong Lee(이선용),Bongsu Chang(장봉수),Sue A Kng(강수아),Young Jae Lee(이영재) 한국암석학회 2020 암석학회지 Vol.33 No.1
다양한 온도에서 스트루바이트(struvite, MgNH₄PO₄·6H₂O)들이 합성 및 건조되었다. 스트루바이트의 결정화와 그 구조적 특성은 합성 온도와 건조 온도 모두에게 큰 영향을 받았다. 스트루바이트는 합성 온도 ≤30℃에서 순조롭게 형성되었으며, 결정도는 합성 온도와 역의 관계를 보였다. 또한, 스트루바이트 결정도는 건조 온도가 45℃에서 60℃로 증가함에 따라 감소되었으며, 이는 열분해로 인해 발생한 구조적 물 분자와 암모늄 이온의 손실로 촉진되었다. 그러나 낮은 합성 온도에서 합성된 스트루바이트 일수록 높은 결정도를 가지며, 열분해에 의한 비정질화가 억제되었다. 본 결과는 저온의 열역학적으로 안정한 조건에서 형성된 스트루바이트는 높은 결정성을 보이며, 이에 따른 구조 안정성과 열저항성을 갖음을 입증한다. A series of struvite (MgNH₄PO₄·6H₂O) was synthesized and dried at various temperatures (15-60℃). Crystallization of struvite and its structural properties were significantly influenced by synthetic and drying temperature. Struvite was favorably formed at synthetic temperatures ≤30℃ with an inverse relationship between the crystallinity and synthetic temperature. The crystallinity of struvite was also significantly reduced by an increase in drying temperature from 45℃ to 60℃ due to the loss of structural water molecules and ammonium ions by the facilitated thermal decomposition. However, struvite formed at lower synthetic temperature showed higher crystallinity, and its amorphization by thermal decomposition was inhibited. These results demonstrate that struvite formed at low temperature with an stable condition thermodynamically through favorable crystallization shows high crystallinity and stability with respect to the structural and thermal resistance.