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Influence of Dietary Protein and Feeding Pattern on the Weight Gain, Metabolism and Body Composition of Rats (식이단백질과 급식형태가 흰쥐의 성장, 대사 및 체조성에 미치는 영향)

  • Park, Yaung-Ja;Han, In-Kyu
    • Journal of Nutrition and Health
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    • v.15 no.4
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    • pp.301-312
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    • 1982
  • A series of growing and digestion trials was conducted using Sprague- Dawley weanling male rats in order to determine the effects of two protein sources (casein and ISP (isolated soyprotein) ), three protein levels (10, 20 and 30%), and two feeding patterns (ad libitum and meal feeding) on the growth, protein and energy metabolism, and body composition of rats. The total energy level of experimental diets was kept constant in 3,600 kcal ME /kg diet. The results were as follows : 1) The amount of food intake and the weight gain of meal-fed group were lower than those of ad libitum group. Though the intake of meal-fed group on 20 and 30% casein diet was only 85% of ad libitum group, it was able to gain as much as ad libitum group. 2) There were no significant differences in the food efficiency ratio (FER) and the energy efficiency (weight gain per 100 kcal GE intake) between ad libitum and meal feeding group. The FER and the energy efficiency of 20 and 30% casein diets of meal-fed group were greater than those of ad libitum group. 3) Though the gross energy intake (GE ), the digestible energy (DE) and the metabolizable energy (ME) tended to be lower at meal-fed group, the DE/GE and the ME/GE ratios for meal-fed group were the same as those for ad libitum. 4) Though meal- fed group fed less amount of nitrogen than ad libitum group, there were no differences in nitrogen balance and the retention of rats among the treatments. Actually meal-fed group retained more nitrogen than ad libitum group at the levels of 20 and 30% dietary protein. 5) After growing and digestion trials, the body composition of rats was constant among all treatments. Significantly high negative correlation coefficient (r = -0.77) was found between the body fat content and the body moisture content. Consequently, this study suggests that meal- fed group on 20 and 30% casein diets has shown more effective utilization of the ingested food and energy than ad libitum group, and increasing tendency of weight gain and the body fat deposition. Those influences of meal feeding pattern in rats were more effective on the casein diet than on the ISP diet.

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Analysis of causative microorganisms and choice of antibiotics according to the onset of neonatal sepsis (신생아 패혈증에서 발현시기에 따른 원인균 분석과 항생제 선택)

  • Sung, June Seung;Kim, Dong Yeon;Kim, Sun Hee;Byun, Hyung Suk;Hwang, Tai Ju;Choi, Young Youn
    • Clinical and Experimental Pediatrics
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    • v.49 no.6
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    • pp.623-629
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    • 2006
  • Purpose : The mortality rate of neonatal sepsis has been decreased, however, the incidence has not significantly decreased because of increased invasive procedures. This study was designed to make guidelines for choosing antibiotics by analyzing the causative microorganisms and their antibiotics sensitivity test according to the onset of neonatal sepsis. Methods : One hundred seven cases of culture proven sepsis in 89 patients admitted to the NICU of Chonnam University Hospital from Jan. 2000 to Dec. 2004, were enrolled. By reviewing the medical records, clinical data, laboratory findings, causative organisms and their antibiotics sensitivity, and mortality were analyzed. Results : The incidence of neonatal sepsis was 1.7 percent and more prevalent in premature and low birth weight infants. 85.4 percent of neonatal sepsis was late onset. Almost all microorganisms(92.9 percent) were gram-positive in early onset, however, two thirds were gram-positive and one third were gram-negative and Candida in late onset. Gram-negative organisms and Candida were more prevalent in patients who had central line. Gram-positive organisms were sensitive to vancomycin, teicoplanin, and gram-negative were sensitive to imipenem, and cefotaxime. Conclusion : Neonatal sepsis was more prevalent in premature and low birth weight infants. More than 90 percent were gram-positive in early onset, however, one third was gram-negative and Candida in late onset. The first choice of antibiotics were a combination of third generation cephalosporin and clindamycin in early onset, and third generation cephalosporin and glycopeptide in late onset. If there is no response to antibiotics treatment, the use of antifungal agents should be considered.

The Effect of Benevolence and Communication on Commitment and Switching Intentions : The Automobile Parts Buyer's Perspective (자동차 부품 제조업체와 공급업체 간의 선의와 의사소통이 몰입과 교체의도에 미치는 영향: 구매자의 관점을 중심으로)

  • Kim, Hong-Keun;Lee, Phil-Soo;Kim, Min-Seong;Lee, Yong-Ki
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.9 no.6
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    • pp.129-144
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    • 2014
  • This study is to examine the effect of mutualistic benevolence, altruistic benevolence, and communication on affective commitment, calculative commitment, and switching intentions and investigate how two commitment dimensions play mediating roles between two benevolence constructs and communication, and switching intentions. For these purposes the author developed a structural model which consists of several constructs. In this model, benevolence factor that consists of mutualistic benevolence and altruistic benevolence, and communication were proposed to affect two commitment constructs and result in, increase switching intentions. Thus, two commitment constructs(e.g., affective and calculative commitment) were proposed as core mediating variables between mutualistic benevolence, altruistic benevolence, and communication, and switching intentions. The data were collected from 210 automobile parts buyers and were analyzed using frequency, reliability, and confirmatory factor analysis and SEM (structural equation model) with SPSS/WIN 20.0 and AMOS 20.0. The data were analyzed with structural equation modeling with AMOS 20.0 and SPSS Win/PC 20.0. The result of the overall model analysis appeared as follows: ${\chi}2=224.885$, d.f=123(${\chi}2/df=1.828$), p=0.000, GFI=.898, AGFI=.859, IFI=.967, NFI=.930, TLI=.958, RMSEA=.063, CFI=.966. Since the result of the overall model analysis demonstrated a good fit, we could further analyze our data. The findings can be summarized as follows: According to structural equation modeling analysis, firstly, mutualistic benevolence has direct effects on calculate commitment and affective commitment. Secondly, altruistic benevolence has a positively direct effect on calculate commitment. Thirdly, communication has a statistically direct effect on affective commitment. Fourthly, calculative commitment has direct effects on affective commitment and switching intentions. Lastly, affective commitment has a direct effect on switching intentions.

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Clinical and Bacteriologic Efficacy of Cefdinir on Pharyngitis and Pharyngotonsillitis Caused by Group A Beta Hemolytic Streptococci in Children (Group A-beta Hemolytic Streptococci에 의한 소아 인두편도염에 있어서 Cefdinir의 항균력과 임상적 및 세균학적 효과에 관한 연구)

  • Chung, Ji-Young;Sin, Seon-Hee;Ahn, Young-Min;Ahn, Byung-Moon;Sin, Young-Gyu;Bae, Young-Min;Park, Soo-Eun;Kim, Jong-Guk;Lee, Jong-Guk;Ma, Saung-Hyuk;Chang, Jin-Kun;Cha, Sung-Ho
    • Pediatric Infection and Vaccine
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    • v.10 no.1
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    • pp.95-101
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    • 2003
  • Objective : To determine the clinical and bacteriologic efficacy and safety of Cefdinir in acute pharyngitis and pharyngotonsillitis caused by group A beta hemolytic streptococci in pediatric patients. Methods : Children aged 3 through 12 years who visited the hospitals enrolled in this study with signs and symptoms of pharyngitis or pharyngotonsillitis since May to December 2002, were taken throat culture and given Cefdinir(12 mg/kg/day, in three divided doses) for 7 days. Two hundred thirty five patients were enrolled and 90 patients who showed positive culture results were followed up for the signs and symptoms during the treatment to determine clinical efficacy. Follow-up culture were done at the end of the study and bacteriologic efficacy was determined Results : Ninety out of 235 patients who visited the hospitals with the signs and symptoms of pharyngitis showed positive growth on throat culture. Seventy nine patients were clinically and microbiologically assessable. The bacteriologic eradication rates of S. pyogenes were 100% in all the children treated with Cefdinir. Clinical cure rates were not different between less than 7 days-treated group(75%) and just 7 days-treated group(98.6%)(P=0.077). Two patients reported adverse reaction during Cefdinir treatment. Antimicrobial sensitivity of Cefdinir against S. pyogenes was 100% with range of MIC being less than 0.5 ${\mu}g/mL$. Conclusion : It seems that Cefdinir is one of reliable and well-tolerated drugs for the treatment of group A beta hemolytic streptococcal pharyngotonsillitis in children. It needs to be investigated short term efficacy in terms of improving drug compliance and impact of economic point of view. We can recognized that still high rate of the erythromycin resistant group A streptococci in our community should be monitored every year.

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Spectral Characteristics of Sea Surface Height in the East Sea from Topex/Poseidon Altimeter Data (Topex/Poseidon에서 관측된 동해 해수면의 주기특성 연구)

  • 황종선;민경덕;이준우;원중선;김정우
    • Economic and Environmental Geology
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    • v.34 no.4
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    • pp.375-383
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    • 2001
  • We extracted sea surface heights(SSH) from the TopexJPoseidon(T/P) radar altimeter data to compare with fhe SSH estimated from in-situ lide gauges(T/G) at Ulleungdo, Pohang, and SockcholMucko sites. Selection criteria such as wet/dry troposphere, ionosphere, and ocean tide were used to estimate accurate SSH. For time series analysis, the one-hour interval tide gauge SSHs were resampled al lO-day interval of the satellite SSHs. The ocean tide model applied in the altimeter data processing showed periodic aliasings of 175.5 day, 87.8 day, 62J day, 58.5 day, 49.5 day and 46.0 day, and, hence, the ZOO-day filtering was applied to reduce these spectral noises. Wavenumber correlation analysis was also applied to extract common components between the two SSHs, resulting in enhancing the correlation coefficient(CC) dramatically. The original CCs between the satenite and tide gauge SSHs are 0.46. 0.26, and 0.]5, respectively. Ulleungdo shows the largest cc bec;luase the site is far from the coast resulting in the minimun error in the satellite observations. The CCs were then increased to 0.59, 030, and 0.30, respectively, after 200.day filtering, and to 0.69, 0.63. and 0.59 after removing inversely correlative components using wavenumber correlation analysis. The CCs were greatly increased by 87, 227, and 460% when the wavenumber correlation analysis was followed by 2oo-day filtering, resulting in the final CCs of 0.86, 0.85, 0.84, respectively. It was found that the best SSHs were estimated when the two methods were applied to the original data. The low-pass filtered TIP SSHs were found to be well correlated with the TIG SSHs from tide gauges, and the best correlation results were found when we applied both low-pass filtering and spectral correlation analysis to the original SSHs.

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Study on the Soil Improvement in the Grassland I. Effects of the dolomite particle and the shell powder application on soil characteristics, dry matter yield and nutritive value of forages in loam soil (초지에서 토양 개량에 관한 연구 I. 양토에서 도로마이트 입자도와 패각분 시용이 토양특성과 목초의 수량 및 사료가치에 미치는 영향)

  • Lee, J.K.;Choi, S.S.;Kim, M.J.;Park, G.J.;Yoon, S.H.;Shin, J.S.;Shin, D.E.
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.19 no.2
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    • pp.159-166
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    • 1999
  • This study was conducted to investigate the effects of application of the dolomite particle and the shell powder on soil characteristics, dry matter yield and nutritive value of forages in loam soil at the experimental field of National Livestock Research Institute, Suwon, from 1994 to 1996. Application treatments were control, lime, dolomite 0.5, 2.0, 4.0mm, and shell powder in mixed pasture. Rate of dust occurrence was greatly decreased according to dolomite application and the dissolving rate in soil was highest in shell powder application among treatments. Although there was no significant difference, average dry matter yield of forages for 3 years was slightly increased with the application of lime, shell powder, dolomite 0.5mm, 4.0mm, 2.0mm and control in order. Both Ca and Mg contents of forages were no differences among treatments in 1994. However, all treatments were higher than those of control in 1995. And K and Na contents of forages were no differences among treatments. Lime requirement was greatly increased from 2,630 to 6,150kg per ha with the lapse of time. Although soil hardness was optimum level at first, it was likely to become hard little by little after treatments. Solid phase of soil was lowered a little except for control. Organic matter and available $P_2O_5$ contents of soil were highest in shell powder application among treatments, and K, Ca and Mg contents of soil were no differences among treatments. Ca content was increased a little in 1995, but decreased a little in 1996 compared to that of soil before treatments in 1994. AIso, Mg content was lowered than that of soil before experiment in 1995 and 1996. The results demonstrated that use of dolomite and shell powder as lime substitutes could be reduced dust problem and coast pollution as well as soil improvement. Therefore, it is desirable to apply the dolomite and the shell powder every 3 years in loam soil.

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Bioequivalence of Burophil Capsule to Surfolase Capsule (Acebrophylline 100 mg) (설포라제 캡슐(아세브로필린 100 mg)에 대한 부로필 캡슐의 생물학적 동등성)

  • Cho, Hea-Young;Park, Eun-Ja;Kang, Hyun-Ah;Kim, Se-Mi;Park, Chan-Ho;Oh, In-Joon;Lim, Dong-Koo;Lee, Myung-Hee;Lee, Yong-Bok
    • Journal of Pharmaceutical Investigation
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    • v.35 no.3
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    • pp.179-185
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    • 2005
  • Acebrophylline is a compound produced by salifying ambroxol with theophylline-7 -acetic acid. After acebrophylline administration, the salt splits into these two components which feature a peculiar pharmacokinetic behavior, an adequate ambroxol and a low theophylline-7-acetic acid serum levels. The purpose of the present study was to evaluate the bioequivalence of two acebrophylline capsules, Surfolase (Hyundai Pharm. lnd. Co., Ltd.) and Burophil (Kuhnil Pharm. Co., Ltd.), according to the guidelines of the Korea Food and Drug Administration (KFDA). The release of ambroxol from the two acebrophylline formulations in vitro was tested using KP VIII Apparatus II method with various dissolution media (pH 1.2, 4.0, 6.8 buffer solution and water). Twenty eight healthy male subjects, $23.25{\pm}1.43$ years in age and $64.82{\pm}6.77$ kg in body weight, were divided into two groups and a randomized $2{\times}2$ cross-over study was employed. After two capsules containing 100 mg as acebrophylline were orally administered, blood was taken at predetermined time intervals and the concentrations of ambroxol in serum were determined using HPLC with electrochemical detector (ECD). The dissolution profiles of two formulations were similar at all dissolution media. In addition, the pharmacokinetic parameters such as $AUC_t$, $C_{max}$ and $T_{max}$ were calculated and ANOVA test was utilized for the statistical analysis of the parameters using logarithmically transformed $AUC_t$, $C_{max}$ and untransformed $T_{max}$. The results showed that the differences between two formulations based on the reference drug Surfolase, were -1.64, -3.33 and -0.92% for $AUC_t$, $C_{max}$ and $T_{max}$, respectively. There were no sequence effects between two formulations in these parameters. The 90% confidence intervals using logarithmically transformed data were within the acceptance range of log 0.8 to log 1.25 $(e.g., \;log\;0.93{\sim}log\;1.05\;and\;log\;0.88{\sim}log\;1.05$ for $AUC_t$, and $C_{max}$, respectively). Thus, the criteria of the KFDA bioequivalence guideline were satisfied, indicating Burophil capsule was bioequivalent to Surfolase capsule.

D$\acute{e}$veloppement d'un Programme d'$\acute{E}$cotourisme dans la R$\acute{e}$gion de Yeosu en Coree du Sud: le Cas de l'$\hat{I}$le de Sado et de son Relief Caract$\acute{e}$ristique (지형 특성에 기반한 여수시 사도일원의 생태관광 프로그램 구성)

  • Lee, Jeong-Hun
    • Journal of the Korean association of regional geographers
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    • v.17 no.6
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    • pp.738-752
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    • 2011
  • La c$\hat{o}$te m$\acute{e}$ridionale de la Cor$\acute{e}$e du sud, et principalement la ville de Yeosu et ses environs pr$\acute{e}$sentent un int$\acute{e}$r$\hat{e}$t particulier puisque le paysage offre de nombreuses presqu'$\hat{i}$les, baies et $\hat{i}$les. Pour tirer profit de ces paysages naturels il est d'abord n$\acute{e}$ssaire de les prot$\acute{e}$ger. Malgr$\acute{e}$ la haute valeur de ces paysages naturels, ils demeurent peu connus et les analyses $\acute{e}$cotouristiques de la ville de Yeosu et ses environs sont encore incompl$\grave{e}$tes. Par ailleurs, la protection de ces paysages naturels est rendue difficile par la d$\acute{e}$sagr$\acute{e}$gation d$\hat{u}$e aux sels halo$\ddot{i}$des. Cette recherche a pour objet l'$\acute{e}$tude du tourisme physico-$\acute{e}$cologique et sa contribution au d$\acute{e}$veloppement $\acute{e}$conomique d'une r$\acute{e}$gion de Yeosu en Cor$\acute{e}$e du sud. Nous nous int$\acute{e}$ressons particuli$\grave{e}$rement au d$\acute{e}$veloppement d'une route $\acute{e}$cotouristique, aux crit$\grave{e}$res de s$\acute{e}$lection du lieu $\acute{e}$cotouristique et $\grave{a}$ la pr$\acute{e}$sentation des explications touristiques, en tenant compte de l'$\hat{i}$le de Sado et de ses paysages naturels sur le plan de l'$\acute{e}$cotourisme. Il y a plusieurs ressources $\acute{e}$cotouristiques sur l'$\hat{i}$le de Sado et dans ses environs: la plage de sable et la falaise de l'$\hat{i}$le de Sado; les traces fossiles de dinosaures, la ripple-mark et la crevasse dans le sol boueux de l'$\hat{i}$le de Joungdo; le tombolo, l'affleurement tufac$\acute{e}$ et le dyke de l'$\hat{i}$le de Silouseom; le trou provoqu$\acute{e}$ par les sels halo$\ddot{i}$des et le dyke de l'$\hat{i}$le de Jangsado; la mer ass$\acute{e}$ch$\acute{e}$e entre l'$\hat{i}$le de Naquek et l'$\hat{i}$le de Choudo. On a, g$\acute{e}$n$\acute{e}$ralement, d$\acute{e}$velopp$\acute{e}$ les reliefs li$\acute{e}$s $\grave{a}$ la couche s$\acute{e}$dimentaire et les fossiles de la derni$\grave{e}$re p$\acute{e}$riode du m$\acute{e}$sozo$\ddot{i}$que. La route $\acute{e}$cotouristique part de l'embarcad$\grave{e}$re de l'$\hat{i}$le de Sado et continue du Nord jusqu'au Sud.

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Osmoregulation Capability of Juvenile Grey Mullets (Mugil cephalus) with the Different Salinities (어린 숭어 (Mugil cephalus)의 염분별 삼투조절 능력)

  • LEE Young Choon;CHANG Young Jin;LEE Bok Kyu
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.30 no.2
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    • pp.216-224
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    • 1997
  • In order to investigate the osmoregulation capability of grey mullet, Mugil cephalus with the different salinities, juvenile fish $(13.6{\pm}0.2\;TL)$ stocked in seawater (SW) were abruptly transferred to each experimental group $0\%SW(0\%_{\circ}),\;25\%SW(7.7\%_{\circ}),\;50\%SW(16.1\%_{\circ})\;and \;100\%SW(32.8\%_{\circ})$ and reared for 60 days. Blood samples were taken by the time schedule after the transfer. Plasma $Na^{+},\;K^{+},\;Cl^{-}$ and osmolality, muscle water content, and the electron microscopical observations of chloride cells were analyzed and made by the time schedule. In $100\%SW$, the maintainable levels of plasma $Na^{+},\;K^{+},\;Cl^{-}$ and osmolality were $167.1{\pm}7.7mM/l,\;9.1{\pm}2.1mM/l,\;137.8{\pm}5.6mM/l\;and\;351{\pm}18\;mOsm/kg$, respectively. These values were significantly changed at $6h\~1\;day$ after the beginning of the experiment with four different salinities. Fish from $0\%\;and\;25\%SW$ had lower osmolalities than those of fish from $50\%\;and\;100\%SW$, and showed the hyposmotic regulation pattern. At the end of the experiment (60 days after transfer), however, no significant difference was found in the concentrations of plasma $Na^{+},\;K^{+}\;and\;Cl^{-}$ among four experimental groups. Hematocrit was increased with salinity (P<0.01). After 10 days, fish from $0\%\;and\;25\%SW$ showed the hypertrophy, fusion and edema of epithelial layer in gill lamella. However, at the 15th day, epithelial layer in gill lamella was back to the normal status. On gill of fish from $0\%SW$, one apical pit held two or three chloride cells in common. Muscle water content was subsequently regulated to near the normal levels within 4 days, and there was no significant difference among four different salinities at the end of the experiment.

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Anti-Inflammatory Activity of Dichloromethane Fraction from Katsuwonus pelamis Heart in LPS-Induced RAW 264.7 Cells and Mouse Ear Edema (Lipopolysaccharide로 자극된 RAW 264.7 세포와 마우스 귀부종 모델에 대한 참치 심장 Dichloromethane 분획물의 항염증 효과)

  • Kim, Min-Ji;Bae, Nan-Young;Choi, Hyeun-Deok;Kim, Koth-Bong-Woo-Ri;Park, Sun-Hee;Sung, Nak-Yun;Byun, Eui-Hong;Nam, Hee-Sup;Ahn, Dong-Hyun
    • Microbiology and Biotechnology Letters
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    • v.45 no.2
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    • pp.101-109
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    • 2017
  • This study investigated the effect of the dichloromethane fraction form Katsuwonus pelamis heart on anti-inflammatory responses in lipopolysaccharide-stimulated RAW 264.7 cells and mouse models. Ethanol extract was partitioned with dichloromethane, ethyl acetate, butanol, and water. Among the fractions, the dichloromethane fraction showed a significant decrease in nitric oxide (NO) and pro-inflammatory cytokines [interleukin (IL)-6, $IL-1{\beta}$, and tumor necrosis $factor-{\alpha}$] production compared to ethanol extract. The dichloromethane fraction attenuated the expression of inducible nitric oxide synthase and nuclear $factor-{\kappa}B$ ($NF-{\kappa}B$) p65 proteins in a dose-dependent manner. In addition, the expression of phosphorylation of mitogen-activated protein kinases (MAPKs) was also inhibited by the dichloromethane fraction. Moreover, the administration of 10, 50, and 250 mg/kg body weight-dose dependently inhibited the formation of edema by croton-oil and the application of dichloromethane (2 mg/ear) significantly reduced epidermal and dermal thickness and the infiltrated mast cell numbers. Therefore, the dichloromethane fraction exhibited an anti-inflammation effect by inhibiting $NF-{\kappa}B$ and MAPK signaling activation in macrophages.