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The Effect of Feeding Mannan-Oligosaccharides (Bio-MOS) on the Performance of Meat Chickens under Two Different Vaccination Programs

  • Shafey, T.M.;Al-Mufarej, S.;Shalaby, M.I.;Jarelnabi, A.J.
    • Asian-Australasian Journal of Animal Sciences
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    • v.14 no.4
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    • pp.559-563
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    • 2001
  • The effects of feeding a mannan oligosaccharide (Bio-Mos) from 0 to 3 g/kg diet and vaccination program on 1- to 35-day performance (growth and feed efficiency), metabolizable energy, nitrogen utilization and carcass composition of meat chickens were investigated. A general vaccination program was used against IB, IBD and ND with half of the birds per diet receiving a booster dose of IB and ND vaccines at 12 days of age. Dietary supplementation of Bio-Mos (BM) did not influence body weight gain, feed efficiency and nutrient utilization. The highest dietary BM (3 versus 1.5 or 0 g/kg) increased carcass abdominal fat and reduced the proportion of drumstick in the carcass of meat chickens. The booster dose reduced the performance of birds. It was concluded that the addition of BM to the diet of chickens did not significantly influence the performance and nutrient utilization of meat chickens.

A Comparison of Anthropometry and Iron Status in Children Provided with and without Natinoal School Lunch Program (급식교와 비급식교 아동의 성장발달 및 철분영양상태 비교)

  • 김은경
    • Journal of Nutrition and Health
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    • v.30 no.8
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    • pp.1009-1017
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    • 1997
  • This study was designed to assess the iron nutritional status and growth development of children provided with and without the national school -lunch program(NLSP). The subjects consisted of 590 elementary school children (313 boys, 277 girls) in the 2nd, 4th and 6th grades provided with (n=390) and without (n=200) NSLP. anthropometric measurements were taken for body weight, height, triceps skinfold thickness and body fat percentage. Nutrient intakes were assessed by a modified 24 -hour recall method. Fastinig blood samples were obtained and analyzed for hemoglobin concentration, hematocrit, serum iron and total iron binding capacity. The results obtained are summarized as follows. No significant differences between children provided with and without NSLP were found in height and body weight, but triceps skinfold thickness and body fat(%) were significantly higher in children without NSLP than in those with NSLP. There was no significant difference in hemoglobin concentration and hematocrit between children provided with and without NSLP. However, serum iron concentration and transferrin saturation were higher in the children provided with NSLP(81.9$\mu\textrm{g}$/dl and 22.8%) than in the children without NSLP(73.1$\mu\textrm{g}$/dl and 20.9%). When comparing iron and vitamin C intakes , iron intake was significantly higher in children provided with school-lunch, but vitamin C intake was significantly higher in children provided without school-lunch. Percentages of iron -deficient anemia in underweight, normal and obese children when judged by total iron binding capacity were 14.9%, 12.5% and 25.8% respectively.

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Continuous Production of Immunoliposomes using a Microvalve-controlled Microfluidic Device (μFD)

  • Jin, Yan;Kim, So Hyun;Kim, Myunghee;Park, Sungsu
    • Bulletin of the Korean Chemical Society
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    • v.34 no.10
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    • pp.2921-2924
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    • 2013
  • Immunoliposomes (antibody-conjugated liposomes) are highly useful as both a drug carrier in drug delivery and as a reporting probe in immunodiagnostics. However, antibody conjugation is lengthy and cumbersome, because this includes several steps such as derivatization of the antibody, conjugation of the derivatized antibody to liposomes, and separation of the unbound antibodies from immunoliposomes. Recently, liposome preparation steps have simplified by using microfluidic devices (${\mu}FDs$) where liposomes are formed when a stream of lipids in solvent is hydrodynamically focused between two oblique buffer streams in a microchannel. Herein, we report a simple method for the production of immunoliposomes (rabbit IgG-conjugated liposomes) using microvalve-controlled ${\mu}FD$. The presence of antibody on the liposome was verified by observing the binding of immunoliposomes to rabbit IgG on the surface. The results suggest that immunoliposomes can be easily prepared through sequential mixing of antibody, conjugation reagents, preformed liposomes using microvalve-controlled ${\mu}FD$.

Effects of Exercise Intervention Programs on Recovery of Functional and Quality of Life in Breast Cancer Patients: A Systematic Review and Meta Analysis (유방암 환자 대상의 운동 중재 프로그램이 기능회복과 삶의 질에 미치는 효과: 체계적 문헌고찰 및 메타분석)

  • Park, Seo-A;Cho, Moon-Ju
    • Korean Parent-Child Health Journal
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    • v.22 no.1
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    • pp.10-21
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    • 2019
  • Purpose: This study was carried out to evaluate the efficacy of exercise program on recovery of functional and quality of life in breast cancer patients through systematic literature review and meta-analysis. Methods: The following databases were used to search the literature: RISS, KISS, KMbase, and KoreaMed. Keywords included 'breast cancer', 'mastectomy' 'exercise', 'rehabilitation', 'intervention' and the evaluated articles were published from 2009 to 2018. The statistical was used R program, the effect size of shoulder functionality, grip strength, upper limb, pain and QOL were calculated by random-effects model. Results: 7 RCT studies were meta-analyzed and were evaluated for the risk of bias by the RoB of Cochrane Collaboration; the overall risk of bias was low. The effect sizes of exercise program was flexion (g=1.11), abduction (g=0.97) as indicated by a "large effect size". Conclusion: It is necessary to study the develop and apply a exercise programs to improve the function and quality of life in breast cancer patients.

Effect of Clean Plate Education on Food Wastes Reduction in University Dormitory (빈그릇교육을 통한 대학 기숙사의 음식물쓰레기 감량효과에 대한 연구)

  • Lee, Eun-Kyeong;Kim, Deok-Gil;Kim, Seung-Woo;Jung, Sin-Young;Choi, Kwang-Soo
    • Journal of Environmental Science International
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    • v.21 no.7
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    • pp.865-873
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    • 2012
  • Clean plate education program was applied to change students' perception on food waste in the dormitory cafeteria of T campus G university that is located in Tongyeong, in which 408 students joined the program. From survey and food waste monitoring, it was found that clean plate education program was effective to change students' perception as well as action. Half students (50.5%) answered that their eating habit changed, and among them 30.1 % students left a little food on the plate and 13.1% students left no food behind. Many students become aware of the seriousness of food waste issue (84.5%), and 44.2% students were trying to reduce leftover. Food waste generation in cafeteria was 341.9, 576.1, 344.3g/capita/day in 2005, 2007 and 2008, respectively. And this shows that food waste generations were much less than national average data except 2007. Therefore we could conclude that clean plate education program was satisfactory to change students' perception on food and to change their action, and it could be an excellent new approach to resolve a social issue caused by food waste. In order to reduce food waste generation at dormitory cafeteria, food taste and diet should be improved and students' eating habits also should be changed. For this, a practical program like clean plate education should be organized.

Evaluating the Influence of Side Stream Cigarette Smoke at an Early Stage of Non-Alcoholic Steatohepatitis Progression in Mice

  • Kim, Jong Won;Yun, Hyejin;Choi, Seong-Jin;Lee, Sang-Hyub;Park, Surim;Lim, Chae Woong;Lee, Kyuhong;Kim, Bumseok
    • Toxicological Research
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    • v.33 no.1
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    • pp.31-41
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    • 2017
  • Side stream cigarette smoke (SSCS) is known to be as harmful and hazardous to human health as is active smoking. In this study, we investigated the relationship between the exposure to SSCS and its stimulatory and subacute effects on the progression of non-alcoholic steatohepatitis (NASH). A methionine and choline-deficient plus high fat (MCDHF) diet was administered to C57BL/6 mice for 6 weeks. During the first three weeks of MCDHF diet feeding, each diet group was exposed to SSCS (0, 20, $40{\mu}g/L$) or fresh air for 2 hrs per day and 5 days per week. Additional experiments were performed by increasing the concentration (0, 30, $60{\mu}g/L$) and exposure time (6 hours per day) of SSCS. According to histopathologic analysis and serum levels of Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST), there were no differences in hepatic fat deposition, fibrosis, apoptosis or liver damage in MCDHF-fed mice based on SSCS exposure. There were also no differences in the expression of inflammation-, oxidative stress- or fibrosis-related genes between MCDHF-fed mice with or without SSCS exposure. Therefore, it is concluded that SSCS with current exposure amounts does not have additive detrimental effects on the early stage of NASH.

The Effect of Situational Leadership Program on Critical Thinking, Coaching and Empowerment of Nurse Leader (상황리더십 프로그램이 간호리더의 비판적 사고, 코칭 및 임파워먼트에 미치는 효과)

  • Park, In-Sook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.12
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    • pp.8568-8575
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    • 2015
  • This study, as a experiment study, was intended to determine whether or not the situational leadership program was highly helpful to critical thinking, coaching, empowerment-enhancing of nurse managers. The number of subjects was abstracted by G*Power, and 54 nurses leader and 342 general nurses were selected from university hospitals of metropolitan city. Data analysis was frequency analysis, t-test, $X^2$-test, repeated measures ANOVA, using SPSS Win 18.0 statistical package program. The results of this study was as follows. 1. Due to the situation leadership programs, critical thinking of experiment group has significantly increased, but control group was significantly reduced. 2. Due to the situation leadership programs, coaching of experiment group has significantly increased, but control group was significantly reduced. 3. Due to the situation leadership programs, empowerment of experiment group has significantly increased, but control group was significantly reduced. Therefore, the situation leadership programs can be effective in critical thinking, coaching, empowerment of nurse leaders. And applying the situation leadership program to the nurse in future, it would be helpful promoting empowerment, coaching, critical thinking in organization life and cope with situation that occurred during clinical.

Immune-Enhancing Effect of Nanometric Lactobacillus plantarum nF1 (nLp-nF1) in a Mouse Model of Cyclophosphamide-Induced Immunosuppression

  • Choi, Dae-Woon;Jung, Sun Young;Kang, Jisu;Nam, Young-Do;Lim, Seong-Il;Kim, Ki Tae;Shin, Hee Soon
    • Journal of Microbiology and Biotechnology
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    • v.28 no.2
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    • pp.218-226
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    • 2018
  • Nanometric Lactobacillus plantarum nF1 (nLp-nF1) is a biogenics consisting of dead L. plantarum cells pretreated with heat and a nanodispersion process. In this study, we investigated the immune-enhancing effects of nLp-nF1 in vivo and in vitro. To evaluate the immunostimulatory effects of nLp-nF1, mice immunosuppressed by cyclophosphamide (CPP) treatment were administered with nLp-nF1. As expected, CPP restricted the immune response of mice, whereas oral administration of nLp-nF1 significantly increased the total IgG in the serum, and cytokine production (interleukin-12 (IL-12) and tumor necrosis factor alpha (TNF-${\alpha}$)) in bone marrow cells. Furthermore, nLp-nF1 enhanced the production of splenic cytokines such as IL-12, TNF-${\alpha}$, and interferon gamma (IFN-${\gamma}$). In vitro, nLp-nF1 stimulated the immune response by enhancing the production of cytokines such as IL-12, TNF-${\alpha}$, and IFN-${\gamma}$. Moreover, nLp-nF1 given a food additive enhanced the immune responses when combined with various food materials in vitro. These results suggest that nLp-nF1 could be used to strengthen the immune system and recover normal immunity in people with a weak immune system, such as children, the elderly, and patients.

Oleoylethanolamide Exhibits GPR119-Dependent Inhibition of Osteoclast Function and GPR119-Independent Promotion of Osteoclast Apoptosis

  • Kim, Hyun-Ju;Lee, Dong-Kyo;Jin, Xian;Che, Xiangguo;Choi, Je-Yong
    • Molecules and Cells
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    • v.43 no.4
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    • pp.340-349
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    • 2020
  • Oleoylethanolamide (OEA), a bioactive lipid in bone, is known as an endogenous ligand for G protein-coupled receptor 119 (GPR119). Here, we explored the effects of OEA on osteoclast differentiation, function, and survival. While OEA inhibits osteoclast resorptive function by disrupting actin cytoskeleton, it does not affect receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclast differentiation. OEA attenuates osteoclast spreading, blocks actin ring formation, and eventually impairs bone resorption. Mechanistically, OEA inhibits Rac activation in response to macrophage colony-stimulating factor (M-CSF), but not RANKL. Furthermore, the OEA-mediated cytoskeletal disorganization is abrogated by GPR119 knockdown using small hairpin RNA (shRNA), indicating that GPR119 is pivotal for osteoclast cytoskeletal organization. In addition, OEA induces apoptosis in both control and GPR119 shRNA-transduced osteoclasts, suggesting that GPR119 is not required for osteoclast apoptosis. Collectively, our findings reveal that OEA has inhibitory effects on osteoclast function and survival of mature osteoclasts via GPR119-dependent and GPR119-independent pathways, respectively.

Synthesis and Characterization of Thiophene-Based Copolymers Containing Urethane and Alkyl Functional Side Chains for Hybrid Bulk Heterojunction Photovoltaic Cell Applications

  • Im, Min-Joung;Kim, Chul-Hyun;Song, Myung-Kwan;Park, Jin-Su;Lee, Jae-Wook;Gal, Yeong-Soon;Lee, Jun-Hee;Jin, Sung-Ho
    • Bulletin of the Korean Chemical Society
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    • v.32 no.2
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    • pp.559-565
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    • 2011
  • The following noble series of statistical copolymers, poly[(2-(3-thienyl)ethanol n-butoxycarbonylmethylurethane)-co-3-hexylthiophene] (PURET-co-P3HT), were synthesized by the chemical dehydrogenation method using anhydrous $FeCl_3$. The structure and electro-optical properties of these copolymers were characterized using $^1H$-NMR, UV-visible spectroscopy, elemental analysis, GPC, DSC, TGA, photoluminescence (PL), and cyclic voltammetry (CV). The statistical copolymers, PURET-co-P3HT (1:0, 2:1, 1:1, 1:2, 1:3), were soluble in common organic solvents and easily spin coated onto indium-tin oxide (ITO) coated glass substrates. Hybrid bulk heterojunction photovoltaic cells with an ITO/G-PEDOT/PURET-co-P3HT:PCBM:Ag nanowires/$TiO_x$/Al configuration were fabricated, and the photovoltaic cells using PURET-co-P3HT (1:2) showed the best photovoltaic performance compared with those using PURET-co-P3HT (1:0, 2:1, 1:1, 1:3). The optimal hybrid bulk heterojunction photovoltaic cell exhibits a power conversion efficiency (PCE) of 1.58% ($V_{oc}$ = 0.82 V, $J_{sc}$ = 5.58, FF = 0.35) with PURET-co-P3HT (1:2) measured by using an AM 1.5 G irradiation (100 mW/$cm^2$) on an Oriel Xenon solar simulator (Oriel 300 W).