• Title/Summary/Keyword: Complementary Effect

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Young Chilldren's Causal Reasoning on Psychology and Biology : Focusing on the Interaction between Domain-specificty and Domain-generality (심리와 생물 영역에서의 유아의 인과추론 : 영역특정성과 영역일반성의 상호작용)

  • Kim, Ji-Hyun
    • Journal of Families and Better Life
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    • v.26 no.5
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    • pp.333-354
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    • 2008
  • This study aimed to investigate the role of domain-specific causal mechanism information and domain-general conditional probability in young children's causal reasoning on psychology and biology. Participants were 121 3-year-olds and 121 4-year-olds recruited from seven childcare centers in Seoul, Kyonggi Province, and Busan. After participants watched moving pictures on psychological and biological phenomena, they were asked to choose appropriate cause and justify their choices. Results of this study were as follows: First, young children made different inferences according to domain-specific causal mechanisms. Second, the developmental level of causal mechanisms has a gap between psychology and biology, and biological knowledge was proved to be separate from psychological knowledge during the preschool period. Third, young children's causal reasoning was different depending on the interaction effect of domain-specific mechanisms and domain-general conditional probability: children could make more inferences based on domain-specific causal mechanisms if conditional probability between domain-appropriate cause and effect was evident. To conclude, it can be inferred that the role of domain-specific causal mechanisms and domain-general conditional probability is not competitive but complementary in young children's causal reasoning.

Effect of Kynesio-Taping Therapy on Pain Among Community-Dwelling Older Adults (키네시오 테이핑 요법이 지역사회 거주 노인의 통증완화에 미치는 영향)

  • Lee, Ji-A;Park, Dal-A;Ji, Eun-Sun
    • Journal of East-West Nursing Research
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    • v.14 no.2
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    • pp.67-73
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    • 2008
  • Purpose: The purpose of this study was to examine the effect of Kynesio-taping therapy (KTT) on chronic joint pain among community-dwelling older adults. Methods: A pre-experimental design was used. KTT was employed on 23 consenting community older adults visiting a community center. KTT was applied on the painful joint for 3-4 days. Pain was evaluated using the visual analogue scale. Results: Frequent locations of pain were waist (43.8%), knee (28.1%), shoulder (12.4%), and head (9.4%). Time of severe pain during the day was mid-day (47.8%), early morning (21.7%), and evening (13.0%). Pain relief management included hospital visitation (65.2%), medication (17.4%), and application of a poultice (13.0%). Pain scores were significantly decreased after KTT compared to pretest scores acquired prior to taping (p<.001). Conclusions: KTT is a cost-effective, easy-to-use, and effective form of pain relief in older adults with chronic joint pain. Clinical practitioners can consider KTT as a complementary method of chronic pain control in older adults.

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The Effect of Boron Supplementation on Bone Strength in Ovariectomized Rats Fed with Diets Containing Different Calcium Levels

  • Choi, Mi-Kyeong;Kim, Mi-Hyun;Kang, Myung-Hwa
    • Food Science and Biotechnology
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    • v.14 no.2
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    • pp.242-248
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    • 2005
  • The effect of calcium and boron supplementation on bone strength was determined in growing and ovariectomized (OVX) Sparague-Dawley rats. Rats were divided into 9 groups and fed diet with different intake levels of calcium and boron for 4 weeks. About fifty percentages of rats in each group were OVX and the others were sham-operated. The rats were fed same diets after operation for 8 weeks. The feed intake, body weight gain, and FER were significantly higher in OVX rats than those in sham-operated ones. Serum osteocalcin, bone formation biomarker, was significantly increased with increment in calcium and boron intakes. Serum estradiol was lower in OVX rats than in sham-operated ones. Bone mineral density of femur was significantly lower in OVX rats than in other group. The breaking forces of bones were not significantly different among the groups. The urinary excretion of deoxypyridinoline, osteolytic marker was significantly increased with increment in calcium intake and ovariectomy. The urinary calcium excretion was significantly increased with increment in calcium intake, but decreased with increment in boron intake. According to theses results, the boron supplementation resulted in higher serum osteocalcin and lower urinary calcium excretion. Therefore, it could be suggested that the boron supplementation may be complementary and useful to calcium nutrition for bone health.

Preparation of Epoxy/Organoclay Nanocomposites for Electrical Insulating Material Using an Ultrasonicator

  • Park, Jae-Jun;Park, Young-Bum;Lee, Jae-Young
    • Transactions on Electrical and Electronic Materials
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    • v.12 no.3
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    • pp.93-97
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    • 2011
  • In this paper, we discuss design considerations for an n-channel metal-oxide-semiconductor field-effect transistor (MOSFET) with a lateral asymmetric channel (LAC) doping profile. We employed a 0.35 ${\mu}M$ standard complementary MOSFET process for fabrication of the devices. The gates to the LAC doping overlap lengths were 0.5, 1.0, and 1.5 ${\mu}M$. The drain current ($I_{ON}$), transconductance ($g_m$), substrate current ($I_{SUB}$), drain to source leakage current ($I_{OFF}$), and channel-hot-electron (CHE) reliability characteristics were taken into account for optimum device design. The LAC devices with shorter overlap lengths demonstrated improved $I_{ON}$ and $g_m$ characteristics. On the other hand, the LAC devices with longer overlap lengths demonstrated improved CHE degradation and $I_{OFF}$ characteristics.

Protective Effect of Artificially Enhanced Level of L-Ascorbic Acid against Water Deficit-Induced Oxidative Stress in Rice Seedlings

  • Boo, Yong Chool;Cho, Moonjae;Jung, Jin
    • Journal of Applied Biological Chemistry
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    • v.42 no.2
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    • pp.66-70
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    • 1999
  • Effects of the enhanced level of L-ascorbic acid (AA) on the water deficit-induced oxidative damage were studied in rice (Oryza sativa L.) seedlings. The seedlings sprayed with 20 to 80 mM L-galactono-${\gamma}$-lactone (GL), a putative precursor of AA, showed 2 to 5-fold higher levels of AA compared with controls. Pretreatment of the seedlings with GL prior to water stress imposition caused virtually no effect on dehydration of tissues during water deficit but substantially mitigated oxidative injury, as accessed by 2-thiobarbituric acid-reactive substances, ${\alpha}$-tocopherol, chlorophylls and ${\beta}$-carotene. Proline accumulation during water stress was also significantly lowered in the treated seedlings. In a complementary experiment, AA retarded photodegradation of ${\alpha}$-tocopherol in isolated thylakoids far more efficiently than glutathione. GL in itself did not show any noticeable reactivity toward ${\alpha}$-tocopheroxyl radical. The results demonstrate the antioxidative function of AA in rice seedlings encountering water-limited environments, suggesting a critical role of AA as a defense against oxidative stress in plants.

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Effect of Fucoidan on Expression of Diabetes Mellitus Related Genes in Mouse Adipocytes

  • Kim, Kui-Jin;Lee, Ok-Hwan;Lee, Han-Chul;Kim, Young-Cheul;Lee, Boo-Yong
    • Food Science and Biotechnology
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    • v.16 no.2
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    • pp.212-217
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    • 2007
  • Fucoidan (fucan sulfate) is a fucose-containing sulfated polysaccharide from brown algae such as Fucus vesiculosus, Ecklonia kurome, and Cladosiphon okamuranus. The aim of this study was to investigate the effect of fucoidan on the expression of diabetes-related genes in mouse cell line 3T3-L1. 3T3-L1 adipocytes were cultured for 48 hr with or without fucoidan (10, 100, and 500 ppm) on a 60 mm dish. Reverse transcription polymerase chain reaction (RT-PCR) was used for measurement of peroxisome proliferators activated receptor ${\gamma}\;(PPAR{\gamma})$, CCAAT/enhancer binding protein ${\alpha}\;(C/EBP{\gamma})$, and glucose transporter 4 (GLUT4) RT-PCR analysis revealed that expression level of GLUT4, $PPAR{\gamma}$, and $C/EBP{\alpha}$ mRNAs increased with fucoidan treatment from 10 to 500 ppm in a dose-dependent manner. Fucoidan appears to enhance insulin sensitivity by increasing the expression level of diabetes-related genes in 3T3-L1 adipocytes. Therefore, fucoidan is potentially useful as a natural therapeutic material for hyperglycemia in type II diabetes patients.

Direct Electrical Probing of Rolling Circle Amplification on Surface by Aligned-Carbon Nanotube Field Effect Transistor

  • Lee, Nam Hee;Ko, Minsu;Choi, Insung S.;Yun, Wan Soo
    • Bulletin of the Korean Chemical Society
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    • v.34 no.4
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    • pp.1035-1038
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    • 2013
  • Rolling circle amplification (RCA) of DNA on an aligned-carbon nanotube (a-CNT) surface was electrically interfaced by the a-CNT based filed effect transistor (FET). Since the electric conductance of the a-CNT will be dependent upon its local electric environment, the electric conductance of the FET is expected to give a very distinctive signature of the surface reaction along with this isothermal DNA amplification of the RCA. The a-CNT was initially grown on the quartz wafer with the patterned catalyst by chemical vapor deposition and transferred onto a flexible substrate after the formation of electrodes. After immobilization of a primer DNA, the rolling circle amplification was induced on chip with the a-CNT based FET device. The electric conductance showed a quite rapid increase at the early stage of the surface reaction and then the rate of increase was attenuated to reach a saturated stage of conductance change. It took about an hour to get the conductance saturation from the start of the conductance change. Atomic force microscopy was used as a complementary tool to support the successful amplification of DNA on the device surface. We hope that our results contribute to the efforts in the realization of a reliable nanodevice-based measurement of biologically or clinically important molecules.

A Study on the Ensemble Suit Design for Elderly Women's Body Silhouette (앙상블 수트의 의복형태구성요인의 시각효과에 대한 실험연구 (제2보) - 노년여성의 정면형태체형을 중심으로 -)

  • Cho, Hoon-Jung;Wee, Eun-Hah
    • Korean Journal of Human Ecology
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    • v.10 no.1
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    • pp.37-48
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    • 2007
  • The purpose of this study was to investigate the proper combination of ensemble suit details for the body silhouette of elderly women. In this study, the principal component analysis was used to search for the proper combination of suit details for covering defects of body which has been changed unbalanced. The designs of evaluated suits were manipulated in 18 different kinds by the essential elements such as collars, neckline(round neckline, shirt collar, tailored collar), types of one-piece dress(pleats type, gather type, flare type), and opening(opened, closed). The data evaluated by a multiple ranking test was analyzed by mean, paired t-test, ANOVA and Duncan's multiple ranged test. The results were summarized as follows: In case of normal body type, it had complementary effects for upper body with closed round neckline jacket or shirt collar jacket, and for lower and the whole body with a combination of closed tailored collar jacket or shirt collar jacket with pleats or gored type one piece dress. The visual effect for elderly women's body shape was different in opened or closed jacket. And that enhanced by Jacket with collar.

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The Comparison on the Hemline Shape of the Flared Skirt according to the Somatotype of the Lower Body (하반신 체형 유형에 따른 플레어스커트의 헴라인 단면 형상 비교)

  • Lee, Youn-Soon;Ryu, Ji-Hyun;Kim, Kyung-A
    • Journal of the Korea Fashion and Costume Design Association
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    • v.9 no.3
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    • pp.35-46
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    • 2007
  • The purpose of this study was to modify a Flared Skirt for women according to the somatotype of lower body. The subjects for the wear test were 3 students, who were in mean${\pm}1{\sigma}$ each somatotype. As seen in the study, it was found out that there was a difference in three dimensional shape of the lower part of the body even in the group of whom the body heights, measured by Martin's system, are alike. Due to such a difference in the three dimensional shape of the lower part of the body, it was found out to be a difference in drapability of the flare skirts. In order to have better fitness of the lower part of the body and to raise the visual effect, therefore, it is suggested that there need to develop a new model of the flare skirts considering three dimensional shape of the lower part of the body for the wearer or to take complementary measures for each body shape in case of applying traditional model.

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Device Optimization of N-Channel MOSFETs with Lateral Asymmetric Channel Doping Profiles

  • Baek, Ki-Ju;Kim, Jun-Kyu;Kim, Yeong-Seuk;Na, Kee-Yeol
    • Transactions on Electrical and Electronic Materials
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    • v.11 no.1
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    • pp.15-19
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    • 2010
  • In this paper, we discuss design considerations for an n-channel metal-oxide-semiconductor field-effect transistor (MOSFET) with a lateral asymmetric channel (LAC) doping profile. We employed a $0.35\;{\mu}m$ standard complementary MOSFET process for fabrication of the devices. The gates to the LAC doping overlap lengths were 0.5, 1.0, and $1.5\;{\mu}m$. The drain current ($I_{ON}$), transconductance ($g_m$), substrate current ($i_{SUB}$), drain to source leakage current ($i_{OFF}$), and channel-hot-electron (CHE) reliability characteristics were taken into account for optimum device design. The LAC devices with shorter overlap lengths demonstrated improved $I_{ON}$ and $g_m$ characteristics. On the other hand, the LAC devices with longer overlap lengths demonstrated improved CHE degradation and $I_{OFF}$ characteristics.