• Title/Summary/Keyword: Blood property

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Comparison of the Measured Electrical Properties of Pig Internal Organs with the Given Values for Human Organs

  • Jung, Ji-Hyun;Kim, Se-Yun
    • Journal of electromagnetic engineering and science
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    • v.12 no.2
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    • pp.161-165
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    • 2012
  • The electrical properties of pig internal organs including lung, liver, heart, kidney, blood, stomach, and small intestine are measured using an open-ended coaxial probe and an improved virtual transmission-line model. The measured complex permittivities of the pig organs are compared with the given values of the corresponding human organs. A similarity between these values is confirmed. For organs such as lung, liver, heart, and kidney that have regular texture and contents, the complex permittivities are almost identical to those of the corresponding human organs. The complex permittivities of human and pig blood are also very close in value. However, relatively large deviations are observed for the cases of stomach and small intestine because the internal contents of these organs significantly affect the measured electrical properties.

Radioprotective effect of mefenamic acid against radiation-induced genotoxicity in human lymphocytes

  • Hosseinimehr, Seyed Jalal;Nobakht, Reyhaneh;Ghasemi, Arash;Pourfallah, Tayyeb Allahverdi
    • Radiation Oncology Journal
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    • v.33 no.3
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    • pp.256-260
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    • 2015
  • Purpose: Mefenamic acid (MEF) as a non-steroidal anti-inflammatory drug is used as a medication for relieving of pain and inflammation. Radiation-induced inflammation process is involved in DNA damage and cell death. In this study, the radioprotective effect of MEF was investigated against genotoxicity induced by ionizing radiation in human blood lymphocytes. Materials and Methods: Peripheral blood samples were collected from human volunteers and incubated with MEF at different concentrations (5, 10, 50, or $100{\mu}M$) for two hours. The whole blood was exposed to ionizing radiation at a dose 1.5 Gy. Lymphocytes were cultured with mitogenic stimulation to determine the micronuclei in cytokinesis blocked binucleated lymphocyte. Results: A significant decreasing in the frequency of micronuclei was observed in human lymphocytes irradiated with MEF as compared to irradiated lymphocytes without MEF. The maximum decreasing in frequency of micronuclei was observed at $100{\mu}M$ of MEF (38% decrease), providing maximal protection against ionizing radiation. Conclusion: The radioprotective effect of MEF is probably related to anti-inflammatory property of MEF on human lymphocytes.

The Numerical Analysis of Non-Newtonian Flow through Branched and Stenotic Tube (CFD를 이용한 분지관.협착관의 비뉴턴 유체 해석)

  • Hwang, Do-Yeon;Ki, Min-Cheol;Han, Byeong-Yun;Park, Hyung-Koo
    • 한국전산유체공학회:학술대회논문집
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    • 2008.03b
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    • pp.385-388
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    • 2008
  • The objective of this paper is simulating blood flow through the branched and stenotic tube numerically. SC-Tetra, which is one of the commercial code using FVM method, was utilized for this analysis. The flow is assumed as an incompressible laminar flow with the additional condition of non-Newtonian fluid. As the constitutive equation for the fluid viscosity, the following models were solved with governing equations ; Cross Model, Modified Cross Model, Carreau Model and Carreau-Yasuda Model. Final goal was achieved to get analytic data about shear stress, at specific points, changing the geometry with various factors like the bifurcation angle, diameter of the branches, the ratio of stenosis, and etc. The material property of blood was referred from the related papers. Furthermore, to verify results they were compared with those of the published papers. There were some discrepancies based on the different solver and the different data post-processing method. However, many parameters like the location of low shear stress, which arised from bifurcation or stenosis, and the tendency of various factors were found to be very similar.

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Effect of age, season and sex on the blood properties in the Cheju horse (제주마(濟州馬)의 혈액성분(血液成分)에 미치는 연령(年齡), 계절(季節) 및 성(性)의 영향(影響))

  • Han, Bang-kuen;Chang, Duk-gi;Hyun, Hae-sung
    • Korean Journal of Veterinary Research
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    • v.30 no.4
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    • pp.525-532
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    • 1990
  • The values of blood composition were analyzed by age, season, and sex from Chejuhorse in Korea. The results obtained were summarized as follow; 1. The values of white blood cell(WBC), packed cell volume(PCV), mean corpuscular volume (MCV), and mean corpuscular hemoglobin concentration(MCHC) were significantly different between age. The WBC value was decreased with the progress of age and the PCV value was lower in the early age of 1,2 to 3 years than in the higher age of 4 to 5, and over 6 years. 2. The mean value of MCV was increased with the progress of age but the adverse was true in MCHC. 3. In the case of seasons, the values of red blood cell(RBC), WBC, hemoglobin(Hb) PCV, MCV, mean corpuscular hemoglobin(MCH), MCHC, globulin(Glo), albumin/globulin(A/G) ratio, inorganic phosphorus(Pi), cholesterol(Chol), and chlorine(Cl) showed significant differences. The number of RBC was not varied from winter to summer but decreased in autumn. The number of WBC was high in summer and autumn, but low in winter and spring. 4. The values of MCV were high in autumn and winter, but low in spring and summer. 5. The values of MCH and MCHC were similar in spring and summer, but strikingly increased in autumn. 6. The values of Glo and A/G ratio were negatively correlated with the season; The value of A/G ratio was lowest in summer but no differences were observed in spring, autumn and winter. On the other hand, the value of Glo was highest in summer but no differences were observed in spring, autumn, and winter. 7. The values of Pi, Chol, and CI were high in summer and winter, but low in spring and autumn. 8. The values of RBC, MCV, and MCH were significantly different between sex. The value of the RBC count in male was higer than the female, but the adverse is true in MCV, and MCH.

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Effects of Water Temperature and Salinity on Blood Properties and Oxygen Consumption in Hagfish (Eptatretus burgeri) (먹장어(Eptatretus burgeri)의 혈액성상과 산소소비에 미치는 수온 및 염분의 영향)

  • Do, Yong-Hyun;Min, Byung-Hwa;Myeong, Jeong-In;Jee, Young-Ju;Chang, Young-Jin
    • Journal of Fisheries and Marine Sciences Education
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    • v.26 no.1
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    • pp.214-222
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    • 2014
  • Hagfish Eptatretus burgeri is classified as a agnathans and has many different physiological properties compared with vertebrates. In this study, we examined effects of water temperature and salinity on blood properties and oxygen consumption in hagfish. In the experiment of water temperature change, hematocrit (Ht), red blood cell (RBC) and glucose of hagfish blood revealed the lowest values at $15^{\circ}C$. Oxygen consumption of hagfish had significantly increased with rising water temperature, and the increasing rate was twice as much when the temperature was manipulated every $5^{\circ}C$. Also, oxygen consumption during the night time (a short photoperiod) was significantly higher than that of the daytime. Q10 level was 3.50 in the light period and 3.92 in the dark period. No significant change in plasma glucose level was showned in changing salinity from 30 psu to 22 psu, while it had rapidly increased at 20 psu ($13.7{\pm}4.0mg/dL$) and thereafter all hagfish were dead at 18 psu. However, osmolarity, $Na^+$, $K^+$ and $Cl^-$ levels had significantly decreased when salinity decreased. This results are expected to develop the artificial rearing techniques of natural hagfish.

Effects of Crude Saponin and Saponin-free Fraction of Korea Red Ginseng on the Skin and Cerebral Blood Flow in the Rats (백서의 피부 및 뇌혈류에 미치는 고려홍삼 사포닌 및 비사포닌의 영향)

  • Kim, Shin-Hee;Kim, Cuk-Seong;Park, Jin-Bong;Han, Chan-Soo;Kim, Kwang-Jin;Kim, Shin-Hye;Kim, Se-Hoon;Nam, Ki-Yeul;Jeon, Byeong-Hwa
    • Journal of Ginseng Research
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    • v.26 no.3
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    • pp.132-138
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    • 2002
  • To study the effect of Korea red ginseng (KCG) on the skin and cerebral blood flow, we evaluated the change of skin perfusion rate and cerebral perfusion rate after the intravenous, intraperitoneal, and oral administration of crude saponin (CS) and saponin-free fraction (SFF) of KRG in the rats. The change of skin perfusion rate and cerebral perfusion rate was measured laser doppler flowmetry. The intravenous injections of CS or SFF of KRG and intraperitoneal injection of SFF of KRG did not change the relative skin and cerebral blood flow in the rats. When the rats were treated by the intraperitoneal injection of CS of KRG, relative cerebral blood flow was significantly increased with a time-dependent manner, however, relative skin blood flow was not influenced by the them. Oral administration of CS of KRG slightly increased skin blood flow in the rats. Also, the change of cerebral blood flow by transient bilateral carotid arterial clamp in the CS-treated rats was significantly decreased, compared with control groups. From the above results, it was suggested that Korea red ginseng have a increasing property of cerebral blood flow in the rats.

Studies on Pathogenecity of Escherichia coli Isolated from Diarrheal Piglets (하리자돈에서 분리한 대장균의 병원성에 관한 연구)

  • Kim Jung Kyu;Chung Yung Chai
    • Journal of the korean veterinary medical association
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    • v.15 no.3
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    • pp.149-155
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    • 1979
  • One hundred and fifteen strains of Escherichia coli were isolated' from suckling piglets of sow fed on food-garbage and their hemolytic property on horse red blood cells, necrotizing activity in rabbit skin and inflammatory activity in rabbit intestine by

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Synthesis of Selenoflavonoids

  • Kim, Dong-Myung;Jeong, Jin-Hyun
    • Proceedings of the PSK Conference
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    • 2003.10b
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    • pp.182.1-182.1
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    • 2003
  • Flavonoids with oxygen atoms are known to have potent biological effect.They have been studied long as major antioxidants which protect cell membranes. Recent medical surveys show that increased intake of selenium decreases the risk of breast, colon, lung and prostrate cancer by preventing free radical generation. The flavonoids, isoflavonoids, and coumarins which form the bulk of these compounds are very polar and have limited use as drugs which have to pass through BBB(Brain Blood Barrier)The non-polar property is increased by exchange oxygen to selenium as a part of heterocyclic compound. (omitted)

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The Literatual Study on Pathologic Change Cognition to the Liver Disease (간장의 병리변화 인식에 대한 문헌적 고찰)

  • Lee Young Su;Kwack Jeong Jin;Lee Gang Nyoung;Choi Chang Won;Kim Hee Chul
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.4
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    • pp.630-636
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    • 2002
  • After The Yellow Emperor's Canon of Internal Medicine, The text researches of pathologic change to the liver disease concluded the next, 1, The category of liver-disease(肝病) include the Symptoms of abnormality due to vital energy and blood motion, emotion and intention, muscular and reproductive function, and legions around descending liver channel. 2. In the theory that Liver-Yang energy(肝陽氣) is always overproducing, Liver-Yin blood(肝陰血) is always lacking, pathologic characteristics for liver disease is functional change of malfunction of the use of body(體用失調), So nourishing the liver and kidney is used for the principal aspects of a disease. regulating and calm the liver is used for the secondary aspects of a disease as the treatment plan, 3. If malfunctioning of the functions of dispersion and discharge(疏泄), Iiver-energy(肝氣) is becoming degected, So overproduct and overflow of ascent and exhalation of liver-yang(肝陽) is becoming blood are ascending following energy. complete usage of Yin-blood(陰血) is responsible for some kinds of mass formed by blood stasis in the early stage of pathogenesis of liver disease syndrome of the energy system as the progession of disease extravasated blood is forming. the pathologic characteristics is appeared loss of control of the vital energy and blood(體用失調) at the liver disease. 4. Sthenia-syndrome of liver(肝實證) and liver-heat syndrome(肝熱證) is appered that overproducing and overflow of dispersion(疏泄太過) and discharge is responsible for overfunctioning of liver disease or some kinds of heat syndrome such as liver fire(肝火), Sthenia of liver-yang(肝陽上亢), the syndromes of sthenic liver heat(肝實熱) are appered. deficiency of the liver(肝虛證) and cold syndrome of liver(肝寒證) is classified pathologic characteristics of cold and heat, deficiency and excess that regression of sensory, motor, mental due to lack of dispersion and discharge(疏泄不及), or intruding of the cold miasma, are degected. 5. The liver is close relation of physiologic function and internal organ such as spleen, stomach, lung, heart, kidney, gall bladder by the meridian channels, because of property of wind Zang, rapid progession is classified by phthologic charateristics.

A Literature Study on the Construction of Sasang Constitutional Medicine on the basis of Channel-qi theory (경기론(經氣論)에 근거(根據)한 사상체질(四象體質) 형성(形成)에 관한 문헌적(文獻的) 고찰(考察))

  • Kim, Sung-Chul
    • Journal of Sasang Constitutional Medicine
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    • v.15 no.2
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    • pp.38-57
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    • 2003
  • Objective: The purpose of this study is to discourse upon that the construction of Sasang Constitutional Medicine has a significant property of Oriental Medicine by explaining the disparity of the viscera and bowels of four constitutions through the special quality of ying-qi and wei-qi circulating in human body on the basis of the channel-qi theory of ${\ulcorner}Huangdi$ $Neijing{\lrcorner}$ Conclusion: 1. Primordial-qi is the congenital essence inherited from the parents and pectoral-qi, ying-qi and wei-qi is the acquired essence derived from the food and air that human eat and breathe. 2. Ying-qi and wei-qi circulates in the meridian system by the strength and pushing of pectoral-qi under the influence of primordial-qi 3. Ying-qi, by the pushing function of pectoral-qi, determines large lung-small liver and small lung-large liver according to the innate quantity of qi and blood. 4. Wei-qi, by the pushing function of pectoral-qi, determines large spleen-small kidney and small spleen-large kidney according to the innate quantity of qi and blood. 5. The heart in the theory of the meridian system's fetus-nourishing and Sasang Constitutional Medicine is involved in the formation of viscera and bowels as governing human body and seven emotions. 6. It is considered that Taiyang person and Taiyin person have the constitution influenced by ying-qi. 7. It is considered that Shaoyang person and Shaoyin person have the constitution influenced by wei-qi. The inquiry into several literatures on the basis of the channel-qi theory of ${\ulcorner}Huangdi$ $Neijing{\lrcorner}$ leads us to the idea that the construction of Sasang Constitotional Medicine is another well-implied representation of the property of the meridian doctrine in the existing Oriental Medicine. And it is considered that the more continual studies of literatures and Sasang Constitutional Medicine Acupuncture are necessary henceforth.

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