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최민주,이종수,김성삼,조성찬,양형석,손종수,천원기 제주대학교 공과대학 첨단기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.2
In the study we measured and evaluated the acoustical property of a domestic spark gap type extracorporeal shock wave lithotripsy (ESWL). Altering the discharging medium between the electrodes of the shock wave generator (water, 1% an 10% NaCl electrolyte), we measured shock waveforms and sound pressure level (SPL). For the shock waves produced using the discharging medium, water, it was seen that the shock wave peak pressure went up to 70 MPa, and the SPL was in the range of 90 - 100 dB. As the concentration of NaCl increased in the electrolyte. the SPL did not change much and was shown to increase correlation with the discharging voltage. In the case of the discharging medium. 10% NaCl electrolyte, it was found that the shock amplitudes varied in a narrow range when being high in the concentration of NaCl and were large when being high in discharging voltages. While the stone fragmentation was in process, we measured the acoustic emission and compared their spectral properties.
갈색거저리 유충을 급이한 산란계로부터 얻은 계란의 품질특성
김도형(Do Hyeong Kim),김동현(Dong Hyun Kim),박현우(Hyun Woo Park),김진권(Jin Kwon Kim),김삼웅(Sam Woong Kim),김태완(Tae Wan Kim),이병진(Byeong Jin Lee),손다니엘(Daniel Son),김일석(Il-Suk Kim) 한국생명과학회 2020 생명과학회지 Vol.30 No.10
본 연구는 음식폐기물을 활용하여 갈색거저리를 사육한 후에 산란계에 급이시 나타나는 계란의 특성을 분석하기 위해 수행되었다. 계란의 두께는 처리군에서 약간 얇아지는 경향성을 보였지만, 신선도를 나타내는 Haugh unit는 처리군이 대조군에 비교하여 높아지는 것으로 나타났고, 특히 5%가 가장 높았다. 난황의 색상은 5% 급이군에서 명도와 황색도가 낮아지는 반면에 적색도가 증가되는 경향성을 보였다. 5% 급이군은 조지방과 조단백이 대조군과 유사하게 형성되는 것으로 나타났지만, 10%와 15% 급이군들은 대조군보다 조지방 및 조단백 함량이 낮은 것으로 나타났다. 그러나 탄수화물 함량은 10%와 15% 급이군들에서 높게 형성되는 것으로 관찰되었다. 처리군들에서 구성아미노산은 대조군에 비교하여 필수아미노산보다 비필수아미노산의 비율의 증가가 높은 것으로 나타났다. 항산화물질의 지표가 되는 폴리페놀의 함량은 5% 급이군에서 가장 높은 것으로 나타났기 때문에, 계란의 저장성 및 항산화에 영향을 줄 수 있는 것으로 추정된다. 따라서 고단백 및 고지방 사료인 갈색거저리를 보충사료원으로 활용할 때 계란의 영양성분 함량에 중용한 변화를 유발할 수 있고 계란의 신선도를 개선할 수 있는 것으로 제의된다. This study examined the characteristics of eggs obtained from layer chickens reared with feed that included Tenebrio molitor larvae, which were in turn bred using feed that included dried food waste powder. The eggs showed a tendency to be slightly thinner in the treated groups, but the Haugh unit indicating freshness was higher in the treated groups than the control group, and the 5% larval-treated group showed the highest value. The color of the yolk tended toward higher redness, lower brightness, and lower yellowness in the 5%-treated group, which also showed similar crude fat and protein values to the control group; the 10%- and 15% larval-treated groups had lower crude fat and protein values, although the carbohydrate content was higher. Structural amino acids in the treated groups showed a higher ratio of non-essential amino acids to essential amino acids than the control. The polyphenol content, which is an index of antioxidants, was highest in the 5%-treated group, and it is thought that this may affect the storage and antioxidant properties of the eggs. Thus, when employed with a feed source to maintain high protein and high fat, T. molitor larvae may cause critical changes in the nutrient content of eggs and improve their freshness.
Evaluation of Feed Value of Barley Fodder as an Alternative Feed Ingredient
Kim, Tae-Il,Mayakrishnan, Vijayakumar,Lim, Dong-Hyun,Lee, Hyun-Jeong,Son, Jun-Kyu,Kim, Yoon-Jeong,Choi, Hee-Chul,Shin, Jae-Hyeong,Park, Jong-Ho,Kim, Sam-Churl,Ki, Kwang-Seok The Korean Society of Grassland and Forage Science 2020 한국초지조사료학회지 Vol.40 No.3
Barley is an important cereal gain which is traditionally used in some nations of Asia and North Africa, and there has been growing interest in using barley as an ingredient in food due to their nutritional value and high content of phyto-constituents. However, no study report on comparative feed value between sprouted barley, cornflake and alfalfa hay. Therefore, in this study we aimed to evaluate the chemical composition, amino acid profile and mineral content of 6 day sprouted barley fodder (SBF) compared with cornflake and alfalfa hay using by AOAC method, as an alternative feed ingredient. Results showed that SBF had higher content of crude protein, acid detergent insoluble crude proteins and neutral detergent insoluble crude protein than alfalfa hay and cornflake; cornflake had higher crude fiber, neutral detergent fiber content than SBF and alfalfa hay; alfalfa hay had higher crude fiber, crude ash, acid detergent fiber, neutral detergent fiber and lignin level than SBF and cornflake. Also, significant differences were found on amino acid content among them (p<0.01). The most abundant amino acid in SBF was glutamate (123 g/kg DM), which is higher than in alfalfa hay (1.27%) or cornflake (1.58%). However, methionine (1.33%) and cysteine (1.53%) were the least abundant amino acids in SBF compared with cornflake or alfalfa hay. Furthermore, our study results exhibited that SBE comprise a good sources of minerals including ferrous (90.01 mg/kg) followed by zinc (20.50 mg/kg), magnesium (0.20 mg/kg) and sodium (0.03 mg/kg) as compared to cornflake and alfalfa hay. The present research findings, confirmed that the nutritional values of SBF are comparable to those of cornflake and alfalfa hay. Hence, SBF can be a better alternative feed ingredient for cornflake or alfalfa hay. However, feeding trials will be required to determine acceptability of SBF for ruminant production.
Kim, Hyo-Seon,Kim, Hyeong-Geug,Im, Hwi-Jin,Lee, Jin-Seok,Lee, Sung-Bae,Kim, Won-Yong,Lee, Hye-Won,Lee, Sam-Keun,Byun, Chang Kyu,Son, Chang-Gue Hindawi Publishing Corporation 2017 Evidence-based Complementary and Alternative Medic Vol.2017 No.-
<P><I>Rhus verniciflua</I> Stoke has been commonly used in traditional medicine to treat gastrointestinal (GI) dysfunction diseases. In order to investigate pharmacological properties of<I> Rhus verniciflua</I> Stoke water extract (RVX) on cisplatin-induced amnesia, RVX (0, 25, 50, or 100 mg/kg) was orally administrated for five consecutive days after a single intraperitoneal injection of cisplatin (6 mg/kg) to SD rat. Cisplatin injection significantly increased the kaolin intake (emesis) but reduced the normal diet intake (anorexia) whereas the RVX treatment significantly improved these abnormal diet behaviors at both the acute and delayed phase. The serotonin concentration and the related gene expressions (5-HT3 receptors and SERT) in small intestine tissue were abnormally altered by cisplatin injection, which were significantly attenuated by the RVX treatment. Histological findings of gastrointestinal tracts, as well as the proteins level of proinflammatory cytokines (TNF-<I>α</I>, IL-6, and IL-1<I>β</I>), revealed the beneficial effect of RVX on cisplatin-induced gastrointestinal inflammation. In addition, RVX significantly improved cisplatin-induced myelosuppression, as evidenced by the observation of leukopenia and by histological examinations in bone marrow. Our findings collectively indicated<I> Rhus verniciflua</I> Stoke improved the resistance of rats to chemotherapy-related adverse effects in the gastrointestinal track and bone marrow.</P>
Kim, Hakmin,Hyeong, Seonghoon,Hong, Jung Hyun,Kim, Ah Reum,Shin, Moon Sam,Kim, Hwayong Elsevier 2015 The Journal of chemical thermodynamics Vol.86 No.-
<P><B>Abstract</B></P> <P>Isothermal (vapor+liquid) equilibrium data for the binary mixtures of (propylene oxide+ethanol) and (propylene oxide+1-propanol) were measured using a static apparatus at three different temperatures ranging from (303.15 to 333.15)K at an interval of 15K. The measured data were correlated using Peng–Robinson–Stryjek–Vera equation of state (PRSV EOS) combined with van der Waals one-fluid mixing rule for the vapor phase and with Wong-Sandler mixing rule involving a non-random two liquid (NRTL) model, universal quasi-chemical (UNIQUAC) model and Wilson model for the liquid phase. The experimental data are in good agreement with the correlation results.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Phase equilibrium data for propylene oxide with alcohols were investigated. </LI> <LI> The experimental data were correlated with PRSV EOS. </LI> <LI> Van der Waals one fluid and Wong–Sandler mixing rule were used. </LI> <LI> NRTL, UNIQUAC, Wilson models were chosen as <I>G</I> <SUP>E</SUP> models. </LI> <LI> The experimental data are fit well with all three models. </LI> </UL> </P>
Pseudallescheria boydii에 의한 진균종
김삼형 ( Sam Hyeong Kim ),홍석진 ( Seok Jin Hong ),강훈 ( Hoon Kang ),손숙자 ( Sook Ja Son ),송계용 ( Kyae Yong Song ) 대한피부과학회 1998 대한피부과학회지 Vol.36 No.2
Pseudallescheria (P.) boydii is a true fungus that is ubiquitous in nature, and has a world-wide distribution. It has been isolated from soil, plant debris, polluted water and sewage. Infection may occur via direct inoculation or inhalation, and usually affects the extremities. It is a common cause of mycetoma characterized by tumefaction, draining sinuses and grains. It has polymorphism due to a complicated life cycle which undergoes teleomorph as well as anamorph stages. Cleistothecia, ascocarp and ascospore may be seen during the teleomorph stages, whereas scedosporium and graphium type may be seen during the anamorph stages. We report a case of P. boydii mycetoma occurring in a 69-year old male. He had multiple nodules with a discharging fistula on a dark red plaque at the dorsum of the right forearm. Cultural isolation for definitive diagnosis showed typical P. boydii. The lesion responded well to daily itraconazole. (Korean J Dermatol 1998;36(2): 341-345)