Cho Kyoul Ja;Song Ji Ho;Choe Myoung Ae;Shin Hee Sun;Kim Soon Ae;Jung Hyun Sook;Tak Young Ran
Child Health Nursing Research
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v.4
no.1
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pp.5-16
/
1998
The purpose of nursing education is to prepare the professional pratictioner as nurse who will be interesteed in the health and the related aspects of community and will assume responsibility for con tributing toward the improvement of the health for the all. This means that nursing education must provide opportunities for the development of knowledge, skills, and attitudes which make this possible. Consequently, this approach has relavence for nursing education. Faculty engaged in endless debates about what is to be included, and to what de1th, and what will be given short shrift as a result. Thus, it can be seen why there is so much confusion and lack of agreement between the emphasis and objectives in nursing. This study attempted to review and identify the curriculum content of child nursing in Korea to build and develop the standard curriculum contents for national board examination for nurses and child's health needs for the coming 21st centry. The questionnaire was consisted of items for selection and organization of the knowledge components and type of unit with weigh to be attained in child nursing. Response of 34% of nursing program in university and junior college. Content analysis was done by using consensual validation of essential knowledge for curriculum content to identify what is obvious or trivial. This study pointed out that it is not yet apparent that demographic fact has greatly influenced child nursing curriculum content. In a similar vein the majority of content of child nursing devote little time and weigh to social and epidemically significant to child health. It seems to be needed that the content of child nursing may push the paradigm shift in nursing education such as health promotion and prevention for potentional roles of child and family. In conclusion, it is the time to convoke and debate for convergence of model on essential content and standarization on job analysis for national board exam for nurses in Korea.
Journal of the Korean Society of Food Science and Nutrition
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v.42
no.12
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pp.1924-1929
/
2013
Hizikia fusiforme (seaweed fusiforme) has long been used as a food source mainly in Korea and Japan. This study was performed to evaluate the immunomodulative effects of Hizikia fusiforme in mice. Hizikia fusiforme water extracts (0, 50, and 500 mg/kg b.w.) were orally administrated into the mice every other day, for four weeks. The proliferation of splenocytes, as well as the levels of proinflammatory cytokines (IL-$1{\beta}$, IL-6, and TNF-${\alpha}$) secreted by activated macrophages were measured. Splenocyte proliferation was enhanced in the experimental groups compared to that of the control group. Also, the mice with Hizikia fusiforme water extracts supplementation in both concentrations showed increased levels of cytokine production by activated peritoneal macrophages compared to those in the control group. The highest levels of cytokine (IL-$1{\beta}$, IL-6, TNF-${\alpha}$) production were observed in the 50 mg/kg b.w. supplementation group stimulated by LPS for all three cytokines. The results of this study showed that the supplementation of Hizikia fusiforme water extracts may enhance the immune function by regulating the splenocytes proliferation and the cytokine production by activated macrophages. Further studies are needed to identify the stimulative and immunomodulating components of Hizikia fusiforme.
Park Hyung-Soo;Lee Jong-Kyung;Lee Hyo-Won;Kim Su-Gon;Ha Jong-Kyu
Journal of The Korean Society of Grassland and Forage Science
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v.26
no.1
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pp.45-52
/
2006
This study was carried out to explore the accuracy of Near Infrared Reflectance Spectroscopy (NIRS) fer the prediction of digestibility and energy value of corn silages. The spectral data were regressed against a range of digestibility and energy parameters using modified partial least squares(MPLS) multivariate analysis in conjunction with first and second order derivatization, with scatter correction procedure(SNV-Detrend) to reduce the effect of extraneous noise. Calibration models for NIRS measurements gave multivariate correlation coefficients of determination$(R^2)$ and standard errors of cross validation of 0.92(SECV 1.73), 0.91(SECV 1.13) and 0.93(SECV 1.74) for in vitro dry matter digestibility(IVDMD), in vitro true digestibility(IVTD), and cellulase dry matter digestibility(CDMD), respectively. The standard error of prediction(SEP) and the multiple correlation coefficient of validation$(R^2v)$ on the validation set(n=39) was used in comparing the prediction accuracy. The SEP value was 0.30(TDN), 0.01(NEL), and 0.01(ME). The relative ability of NIRS to predict digestibility and energy value was very good for CDMD, total digestible nutrients(TDN), net energy fer lactation(NEL) and metabolizable energy(ME). This paper shows the potential of NIRS to predict the digestibility and energy value of con silage as a routine method in feeding programmes and for giving advice to farmers.
The study was conducted to evaluate the effects of dietary acid hydrolysates of cocoon on laying performance, egg quality, blood level of immune substance and cholesterol in laying hens. The animals used in the experiment were a total of 240 Hy-Line Brown laying hens (41 weeks old). Dietary treatments included 1) CON (basal diet), 2) SP1 (basal diet + acid hydrolysates of cocoon 0.05%), 3) SP2 (basal diet + acid hydrolysates of cocoon 0.1%) and 4) SP3(basal diet + acid hydrolysates of cocoon 0.2%) twelve laying hens were allotted to a block (pen) with five replicated. Through the whole period of experiment, egg production, egg weight, egg shell breaking strength and egg shell thickness were no significant difference. However, acid hydrolysates of cocoon treatments (SP1, SP2, SP3) significantly increase their egg yolk height and Haugh unit compared to control (P<0.05). IgG and WBC (white blood cell) contents in blood were higher in SP1, SP2, SP3 treatment compared to control (P<0.05). However, albumin and total protein content in blood were no significant difference. Phospholipid, HDL-cholesterol, LDL-cholesterol and total cholesterol contents in serum were higher in SP1, SP2, SP3 treatment compared to control (P<0.05). In conclusion, supplement dietary acid hydrolysates of cocoon improved egg yolk height, Haugh unit, and blood level of phospholipid, HDL-cholesterol, LDL-cholesterol, total cholesterol in laying hen.
To evaluate the effects of n-3 and n-9 fatty acid combination on broiler chicks, diets containing the combinations of five different fat sources including flaxseed oil, fish oil, EPA, DHA and olive oil were provided, and all chicks were processed at 4 weeks of growth. Liver, breast and thigh samples were collected and fatty acid composition and/or CIE $L^*$, $a^*$ and $b^*$ measurement were measured. Also, live chick and liver weights were weighed and the ratio was provided as an evidence of fat accumulation in liver. No significant difference was determined in both live and liver weight ratio and liver color. EPA was low in FHO as compared to livers from others. In contrast, DHA was significantly high in FHO. In broiler breasts derived from FDO, AA and n-3 fatty acid content was high, but only numerical differences of EPA and DHA were determined in breasts from FDO. The thighs from FHO showed high in EPA, DHA and n-3 fatty acid content but had low in AA and n-6 to n-3 ratio. Therefore, the results indicate that broiler chicken diets containing either FDO or FHO may be possible combination diets increasing n-3 polyunsaturated fatty acids in broiler chicks.
Objectives : Zingberis Rhizoma (ZR) and Glycyrrihizae Radix (GR) have been widely used to prevent or treat allergic diseases. However, relatively little research has been conducted on the immune response to Senggang Gamcho-tang (SG) in a mixture of ZR and GR. The purpose of this study was to determine antiallergic effects of Senggang Gamcho-tang (SG) extracts ZR and GR on activity of murine splenocytes. Methods : This study was performed to investigate the effect of SG in mice, using in vitro experiments. Cells were treated with SG extract (1 ${\mu}g$/ml, 10 ${\mu}g$/ml and 100 ${\mu}g$/ml) plus Con A (2 ${\mu}g$/ml) and ZR (6.6 ${\mu}g$/ml and 66 ${\mu}g$/ml), GR (3.3 ${\mu}g$/ml and 33 ${\mu}g$/ml) respectively for 48 hrs. The production of IFN-${\gamma}$ and IL-4 were determined by ELISA. Results : No toxicity was found in splenocytes treated with SG extract for 48 hrs at the concentration of 0 ${\mu}g$/ml, 1 ${\mu}g$/ml, 10 ${\mu}g$/ml and 100 ${\mu}g$/ml, respectively. The production of IFN-${\gamma}$ increased to 23,968.7 pg/ml (p<0.001) while that of IL-4 significantly decreased to 14.1 pg/m l(p<0.05) only at the SG concentration of 100 ${\mu}g$/ml. With the GR concentration of 33 ${\mu}g$/ml in SG extract, the production of IFN-${\gamma}$ rose to 32,102.2 pg/ml (p<0.001) while that of IL-4 (p<0.05) declined to 34.2 pg/ml. However, there was no significant observation with regard to the effect of ZR on production of IFN-${\gamma}$ and IL-4. Conclusions : This study suggests an antiallergic effect of Senggang Gamcho-tang, which leads to the implication that SG extract may be used to enhance human immune function.
Hwang Seock Yeon;Yang Jin Bae;Chang Cheoul Soo;Lee Young Chan;Lee Hyung Chul
Journal of Physiology & Pathology in Korean Medicine
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v.16
no.4
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pp.674-679
/
2002
The toxicity and bioaccumulation of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and polychlorinated biphenyls (PCBs) continues to be a focus of research in human and various species. The main human exposure is via the dietary route. This study was carried out to investigate the protective effect of Cornu Cervi Parvum extract on clinical parameters and hepatotoxicity in Sprague-Dawley rat (SD rat) accutely exposured to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Male SD rats received single intraperitoneal (ip) injection of TCDD (40 ㎍/kg), and administered 10 or 20 mg/kg/day of the ethanol extract oral injection for 4 weeks from 1 week before TCDD treatment. The gain in body weight was less in group treated with TCDD than in CON group, while that of C/H+ TCDD group (Cornu Cervi Parvum extract 20 mg/kg/day) increased. The decrease in spleen and testis weight caused by TCDD was prevented by Cornu Cervi Parvum extract 20 mg/kg/day. The fluctuation in BUN content, WBC and platelet count by TCDD intoxication were significantly attenuated by the ethanol extract treatment (20 mg/kg/day for 4 weeks). Treatments of rats with the extract (10 or 20 mg/kg/day) were significantly reduced AST and ALT levels compared with TCDD-treated group. Moderate swelling of hepatocytes, hyperchromatism, acidophilic cytoplasm and cytoplasmic vacuolation were observed in TCDD-treated animals (TCDD group). The administration of EtOH extract 10 or 20 mg/kg along with TCDD significantly alleviated the liver histopathological alteration induced by TCDD. These results suggest that Cornu Cervi Parvum extract can be useful as a protective agent against TCDD, an endocrine disruptor.
Poor long term patient survival (60% at 2 years) in lung allograft recipients are mainly due to rejection and complications associated with the use of nonspecific immunosuppressants. Better means to achieve waft acceptance is desperately needed. 1 have investigated whether mixed allogeneic chimerism in the form of bone marrow stem cell engraftment would induce donor-specific tolerance for lung allografts. Fisher (F344) and Wistar Forth (WF)rats were lethally irradiated (1100c0y) and reconstituted with a mixture of T-cell depleted syngeneic and allogeneic bone marrow (F344+WFIWF, ACI +F344- F344). After Mixed chimerism was documented by peripheral blood Ipnphocyte typing at 28 days, orthotopic left single lung transplantation was performed, using donor-s ecific or third party allografts. No immunosuppressants were administered. Graft rejection was monitored by chest rentgenography, and con- firmed by histology Mixed chimeric rats accepted lung allografts permanently, and it was not strain specific effect. Tolerance was all or none phenomenon which had nothing to do with the percentage of chimerlsm. Mixed chimeras rejected third party allografts in less than 10 days, a time course similar to that of unmanipulated controls. No acute or chronic rejection was observed in donor specific grafts more than 150 days posttransplant. These data suggest that mixed chimerism in the form of bone marrow stem cell engraftment results in stable, systemic donor-specific transplantation tolerance for lung allografts.
Jeong, Chang-Dae;Mamuad, Lovelia L.;Ko, Jong Youl;Sung, Ha Guyn;Park, Keun Kyu;Lee, Yoo Kyung;Lee, Sang-Suk
Journal of Animal Science and Technology
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v.58
no.1
/
pp.4.1-4.7
/
2016
Background: This study was conducted to evaluate the effects of adding Korean rice wine residue (RWR) in total mixed ration (TMR) on in vitro ruminal fermentation and growth performance of growing Hanwoo steers. Methods: For in vitro fermentation, the experimental treatments were Control (Con: 0 % RWR + TMR), Treatment 1 (T1: 10 % RWR + TMR), and Treatment 2 (T2: 15 % RWR + TMR). The rumen fluid was collected from three Hanwoo steers and mixed with buffer solution, after which buffered rumen fluid was transferred into serum bottles containing 2 g dry matter (DM) of TMR added with or without RWR. The samples were then incubated for 0 h, 12 h, 24 h, or 48 h at $39^{\circ}C$ and 100 rpm. For the in vivo experiment, 27 Hanwoo steers (6 months old) with an average weight of $196{\pm}8.66kg$ were subjected to a 24-week feeding trial. The animals were randomly selected and equally distributed into three groups. After which the body weight, feed intake and blood characteristics of each group were investigated. Results: The pH of the treatments decreased significantly relative to the control during the 12 h of incubation. Total gas production and ammonia nitrogen ($NH_3-N$) was not affected by RWR addition. The total volatile fatty acid (VFA) was lower after 24 h of incubation but at other incubation times, the concentration was not affected by treatments. Feed cost was 8 % and 15 % lower in T1 and T2 compared to control. Blood alcohol was not detected and a significant increase in total weight gain and average daily gain were observed in Hanwoo steers fed with RWR. Conclusion: Overall, the results of this study suggest that TMR amended with 15 % RWR can be used as an alternative feed resource for ruminants to reduce feed cost.
The purpose of this study is to find out the distribution of underground biomass and its soil stabilizing effects. Bamboo and grass were examined and compared. 1. Thirty 'soil & root' samples were collected to the depth of 30cm with Impact-corer, and then divided into three sections(0-10cm, 10-20cm, 20-30cm). Each piece had a volume of $950cm^3$ and the underground biomass was separated from the soil particles by washing with flowing water. The average underground biomass rates of bamboo and grass were 10.8% and 4% of each sample, respectively. The rate of grass root biomass declined with depth, but the bamboo root biomass was at peak at around 20cm depth. 2. The shear strength was measured with con-penetration tester at each sample collecting site. Three measurements were made at each depth(0-10cm, 10-20cm, 20-30cm) and were compared with the impact counts needed to insert the corer to the depth of 30cm. The shear strength has clear correlations with underground biomass. The more underground biomass, the higher shear strength. The shear strength of bamboo was about three times larger than the grass.
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