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齒牙硬組織에 있어 Chloranilic acid에 依한 Calcium의 組織化學的 觀察
朴聖浩 최신의학사 1969 最新醫學 Vol.12 No.4
This reports in dental tissue (tooth germ and dental hard tissue) were made using a method of chloranilic acid. The results were found to give satisfactory results with the test tissues.
박성호,김정태,양재성,민준기 한국전산유체공학회 2022 한국전산유체공학회지 Vol.27 No.4
The inlet geometry of the centrifugal fan has been numerically optimized to maximize the fan performance and to minimize the fan noise. For the optimization, a representative sub-model using the periodic boundary condition in the circumferential direction was constructed. The radii of the bell-mouth and the shroud at the inlet of the fan were selected as design variables. The objective functions were the fan efficiency for the fan performance and the turbulent viscosity for the noise metric. The moving reference frame (MRF) formulation was adopted for the flow analysis. The case studies were conducted and the results were analyzed using the response surface method. The optimal shapes for the maximum efficiency, minimum noise, and the combined performance were examined with the actual fan model with casing geometry. Details of the optimization process, the effects of design variables and the final optimization results were summarized in quantitative and qualitative ways.
소음인(少陰人) 십전대보탕(十全大補湯)이 면역반응(免疫反應)에 미치는 영향(影響)
박성호,Park, Seong Ho 사상체질의학회 1992 사상체질의학회지 Vol.4 No.1
In order to investigate the effects of shipjuntaepotang (少陰人 十全大補湯) on immune response, the author performed this experimental study. Delayed type hypersensitivity (DTH) and rosette forming cells (RFC) for cell-mediated immune response, hemagglutinin (HA) titers, hemolysin (HL) titers, and carbon clearance for phagocytic function of MPS (mononuclear phagocyte system) were measured in ICR mice. The results were summarized as follows. 1. DTH in the experimental group was increased, as compared with the control group, with statistical significance. 2. RFC in the experimental group was increased, as compared with the control group, with statistical significance. 3. HA-titers were increased in the experimental group, as compared with the control group, with statistical significance. 4. HL-titers were increased in the experimental group, as compared with the control group, with statistical significance. 5. Carbon clearance was increased in the experimental group, as compared with the control group, with statistical significance. Through invivo experimental study in ICR mice, these findings suggest that shipjuntaepo-tang enhance both cellmediated and humoral immune responce.
박성호,김명진,최진영,임준석,김기황 대한자기공명의과학회 2011 Investigative Magnetic Resonance Imaging Vol.15 No.3
Purpose : To assess the usefulness of gadobenate dimeglumine-enhanced hepatobiliary phase MR imaging for evaluation of histological characteristics of hepatocellular carcinoma (HCC). Materials and Methods : 57 HCCs histopathologically proved by surgery in 51 patients were retrospectively evaluated. All patients underwent gadobenate dimeglumine-enhanced MR imaging prior to surgery. The signal-to-noise ratio (SNR) of lesion and liver, and the liver-to-lesion contrast-to-noise ratio (CNR) for both pre- and postcontrast hepatobiliary phase were measured and contrast enhancement ratio (CER) of lesion and liver were calculated to correlate with three groups stratified by histological grades (Edmondson-Steiner classification) of the lesions. The differences between means of each group were statistically analyzed with one-way analysis of variance test. Results : The liver-to-lesion CNRs of well-differentiated HCCs (n=9) on pre- (-0.8±13.2) and postcontrast hepatobiliary phase images (13.2±30.4) were significantly (P<0.05) lower compared to those of moderately (14.2±9.4 and 39.1±15.4 on pre- and postcontrast, respectively) (n=37) and poorly differentiated HCCs (18.6±11.3 and 39.3±27.9) (n=11), respectively. There were no significant difference for CERs between three histological tumor grades. Conclusion : Gadobenate dimeglumine-enhanced hepatobiliary phase MR imaging can help predict the histological grades of hepatocellular carcinomas preoperatively, especially differentiating well- from moderately and poorly differentiated HCCs.