• Title/Summary/Keyword: Physiological functional evaluation

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Evaluation of Thermoregulatory Properties of Thermal Underwear Named as 'Heating Underwear' using Thermal Manikin and Human Performance Test ('발열내복'이라 광고되는 시판 기능성 보온내복의 써멀 마네킹과 인체 착용 실험을 통한 체온조절 성능 평가)

  • Lee, Hyo-Hyun;Lee, Young-Ran;Kim, Ji-Eun;Kim, Siyeon;Lee, Joo-Young
    • Fashion & Textile Research Journal
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    • v.17 no.4
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    • pp.657-665
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    • 2015
  • This study evaluated the thermoregulatory properties of functional thermal underwear ('heating underwear') in markets using a thermal manikin and human wear trials. One ordinary thermal underwear (ORD) and two functional thermal underwear (HEAT1 and HEAT2; manufactured goods, HEAT1: moisture absorbing heat release mechanism, HEAT2: heat storage, release mechanism) were chosen. Thermo-physiological and subjective responses were evaluated at an air temperature of $5.0{\pm}0.5^{\circ}C$ and air humidity of $30{\pm}5%RH$ with five male subjects ($21.6{\pm}1.3yr$ in age, $178.0{\pm}5.9cm$ in height, $68.2{\pm}5.9kg$ in body mass). Experimental conditions consisted of four ensembles that included winter clothes (Control: no underwear, ORD, HEAT1, HEAT2). Water-vapor resistance was greater in fabric of HEAT1 than others. The results were: 1) Total thermal insulation (IT) using a thermal manikin were not greater for HEAT1 (0.860clo) and HEAT 2 (0.873clo) than for ORD (0.886clo). 2) There were no significant differences in rectal temperature, mean skin temperature, heart rate and total body mass loss between the four conditions. Microclimate clothing temperature on the back was greater for ORD than for HEAT1 and HEAT2. Subjects felt more comfortable with HEAT1 than for others at rest. HEAT2 was higher in microclimate humidity when compared to other conditions. The results suggest that thermoregulatory properties of 'heating underwear' in market did not differ from those of ordinary thermal underwear in terms of total thermal insulation and thermoregulatory responses in a cold environment.

Studies for Component Analysis and Antioxidative Evaluation in Acorn Powders (도토리 가루의 성분분석과 항산화능 평가)

  • Shim, Tae-Heum;Jin, Ying-Shan;Sa, Jae-Hoon;Shin, In-Cheol;Heo, Seong-Il;Wang, Myeong-Hyeon
    • Korean Journal of Food Science and Technology
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    • v.36 no.5
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    • pp.800-803
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    • 2004
  • Chemical components and physiological activities of acorn powders were investigated to develop functional food. Proximate components were 87.29% crude fiber, 1.18% crude fat, 0.84% crude protein, and 0.12% crude ash. Potassium was most predominant mineral, followed by phosphorus, calcium, magnesium, and sodium. Contents of unsaturated fatty acids, such as oleic, linoleic, and linolenic acids, were higher than those of saturated fatty acids. Water and 75% ethanol extracts of acorn powders showed higher absorbency at 285 nm. Water and 75% ethanol extracts exhibited antioxidative activity with $IC_{50}$ of 19.0 and $21.4\;{\mu}g/mL$, respectively, indicating they are the major biological component in acorn powders. Results suggest water extract of acorn can be used as new material for natural antioxidant and functional food.

A Study on Psychological Factors and Gastric Physiological Activity in the Functional Dyspepsia -Using Gastric Emptying Test- (가능성 소화장애증 환자의 정신사회적 요인과 위장 생리활동성의 연관성에 관한 연구 -위 배출능 검사를 이용하여-)

  • Kim, Jin-A;Lim, Seung-Han;Moon, Seong-Keun;Lee, Sang-Yeol
    • Korean Journal of Psychosomatic Medicine
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    • v.9 no.1
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    • pp.49-57
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    • 2001
  • Objectives : This study was designed to investigate the relationship between gastric emptying, psychopathology(especially anxiety and depression), and various factors that can mediate stress and response, such as coping style, social support and level of perceived stress. Methods : A total 30 patients who complained of the non-ulcer dyspepsia and did not have any abnormal finding on the gastroduodenal endoscopic examination, 24 hour ambulatory esophageal manometry and conventional gastroesophageal manometry were tested with gastric emptying that would be a functional examination of stomach. The correlations between the gastric emptying and psychological vaiable such as quantity of perceived stress, Symptom Checklist-90-Revision(SCL-90-R), Beck Depression Inventory(BDI), Spielberger Stait-Trait Anxiety Inventory(STAI), Ways of Coping Checklist and Interpersonal Support Evaluation List were evaluated. Results : 1) The mean and standard deviation of the time for half of the meal to empty(T50%) was $118.50{\pm}23.64$ minute which showed no gastric stasis in terms of gastric emptying test. 2) There were significant positive correlations between T50% and the state anxiety, T50% and thedepression. 3) There was no significant correlation between T50% and the quantity of perceived stress, T50% and mediating factors(coping style and social support). Conclusion : These results suggested that psychopathology, especially emotional components such as depression and anxiety, could affect on the current physiological functional gastric activity(gastric emptying), but quantity of perceive stress and mediating factors of stress and response such as coping style and social support could not affected on the functional gastric activity. These results showed that psychological interventions should considered in management of the patients with functional dyspepia.

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Changes in Multi-channel Electrogastrography after Acupuncture Treatmet in Patients with Functional Dyspepsia (기능성 소화불량증 환자에서 침구 처치 후 다채널 위전도 소견의 변화)

  • Kim, Yoo-Seung;Ryu, Bong-Ha;Kim, Jin-Sung;Hong, In-A;Park, Young-Sun;Jung, Yong-Jae;Oh, Seung-Whan;Han, Ga-Jin
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.24 no.1
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    • pp.152-157
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    • 2010
  • The aim of this study was to investigate the effects of traditional Korean medical therapy in patients with functional dyspepsia evaluted using multi-channel electrogastrography. Before the treatment, the EGG of 14 outpatients (male 3, female 11) with functional dyspepsia were recorded and their dominant frequency(DF), percentage of gastric slow waves, percentage of Power ratio, and percentage of slow wave couplings were analysed. For 8 weeks, the patients received acupuncture treatment. After 8 weeks, EGG was rechecked and compared with the previous data. After treatment, normogastria was significantly increased in channel 1 and channel 3($53.70{\pm}18.94$% vs $72.64{\pm}15.49$% in channel 1, P<0.05; $79.74{\pm}18.09$ vs $90.86{\pm}8.86$ in channel 3, P<0.05). arrythmia was significantly decreased in channel 3($14.34{\pm}15.21$ vs $5.93{\pm}6.90$, P<0.05). The patients who had less severe decrease in EGG indexes showed improvement of those indexes through 8 weeks of outpatient care. EGG channel 3 was shown to be the most adequate standard of evaluation. But there was no significant improvement in slow wave coupling rate which is a new index of multichannel EGG.

Potential application of herbal medicine treatment based on pattern identification for canine cognitive dysfunctional syndrome: a comparative analysis of Korea medicine therapy for patients with dementia (반려견 인지기능장애증후군에 대한 한의 진단 및 한약치료 적용 가능성 고찰: 치매환자 국내한의치료기술과 비교 분석)

  • Jung, Kyungsook;Zhao, HuiYan;Choi, Yujin;Jang, Jung-Hee
    • Korean Journal of Veterinary Research
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    • v.62 no.3
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    • pp.25.1-25.9
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    • 2022
  • Canine cognitive dysfunction syndrome (CDS) is a neurodegenerative disease that causes cognitive and behavioral disorders and reduces the quality of life in dogs and their guardians. This study reviewed the complementary and alternative medicine (CAM) for CDS and compared the diagnosis and therapy of CAM between CDS in canines and dementia in humans. The evaluation tools for the diagnosis of CDS and dementia were similar in the neurological and neuropsychiatric examinations, daily life activity, cognitive tests, and neuroimaging, but the evaluation for dementia was further subdivided. In CAM, pattern identification is a diagnostic method for accurate, personalized treatment, such as herbal medicine. For herbal medicine treatment of cognitive impairment in canines and humans, a similar pattern identification classified as deficiency (Qi, blood, and Yin) and Excess (phlegm, Qi stagnation, and blood stasis) is being used. However, the veterinary clinical basis for verifying the efficacy and safety of CAM therapies for CDS is limited. Therefore, based on CAM evidence in dementia, it is necessary to establish CDS-targeted CAM diagnostic methods and therapeutic techniques considering the anatomical, physiological, and pathological characteristics of dogs.

Evaluation of Physiological Activities of Cnidium officinale Makino Extracts with Different Solvents (추출용매에 따른 천궁(Cnidium officinale Makino) 추출물의 생리활성 평가)

  • Hur, Sang-Sun
    • Journal of the Korean Applied Science and Technology
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    • v.32 no.1
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    • pp.170-179
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    • 2015
  • The objective of this study was to investigate the physiological activities of Cnidium officinale Makino extracts on extraction solvents. The yield of ethanol extract, 87.54%, was higher than that of the hot water extract(83.06%) and of the methanol extract(78.32%). In the inhibitory activity of xanthine oxidase, the ethanol extracts and methanol from Cnidium officinale Makino appeared to show significantly higher activity than hot water extract at $1,000{\mu}g/mL$. The DPPH radical scavenging activities of the ethanol and the methanol extracts at $50-2,000{\mu}g/mL$ were 19.96-89.01% and 19.41-88.21%, respectively. The SOD-like activities of all the extracts improved with an increase in the treatment concentration. Both collagenase and elastase inhibitory activities were shown higher from the ethanol and methanol extract compared to that of hot water extract. The tyrosinase inhibitory activity of ethanol extract, 12.04-73.85%($50-2,000{\mu}g/mL$), was higher than that of the other extracts. Taken together, these data suggest that Cnidium officinale Makino extract is effective in whitening and anti-wrinkle effect, thus it might strongly be considered as potential functional cosmetic components.

A Study on the Prediction Model for Bioactive Components of Cnidium officinale Makino according to Climate Change using Machine Learning (머신러닝을 이용한 기후변화에 따른 천궁 생리 활성 성분 예측 모델 연구)

  • Hyunjo Lee;Hyun Jung Koo;Kyeong Cheol Lee;Won-Kyun Joo;Cheol-Joo Chae
    • Smart Media Journal
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    • v.12 no.10
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    • pp.93-101
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    • 2023
  • Climate change has emerged as a global problem, with frequent temperature increases, droughts, and floods, and it is predicted that it will have a great impact on the characteristics and productivity of crops. Cnidium officinale is used not only as traditionally used herbal medicines, but also as various industrial raw materials such as health functional foods, natural medicines, and living materials, but productivity is decreasing due to threats such as continuous crop damage and climate change. Therefore, this paper proposes a model that can predict the physiologically active ingredient index according to the climate change scenario of Cnidium officinale, a representative medicinal crop vulnerable to climate change. In this paper, data was first augmented using the CTGAN algorithm to solve the problem of data imbalance in the collection of environment information, physiological reactions, and physiological active ingredient information. Column Shape and Column Pair Trends were used to measure augmented data quality, and overall quality of 88% was achieved on average. In addition, five models RF, SVR, XGBoost, AdaBoost, and LightBGM were used to predict phenol and flavonoid content by dividing them into ground and underground using augmented data. As a result of model evaluation, the XGBoost model showed the best performance in predicting the physiological active ingredients of the sacrum, and it was confirmed to be about twice as accurate as the SVR model.

Evaluation of Antimicrobial, Antioxidant, and Antithrombin Activity of Domestic Fruit and Vegetable Juice (국내 시판 과일 및 야채 주스의 항균, 항산화 및 항혈전 활성)

  • Lee, Man-Hyo;Kim, Mi-Sun;Shin, Hwa-Gyun;Sohn, Ho-Yong
    • Microbiology and Biotechnology Letters
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    • v.39 no.2
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    • pp.146-152
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    • 2011
  • In the course of a study in relation to the production of taste, and functional enhancements in root crop chips, which were prepared by soaking dried yam slices in fruit juices, we investigated the physiological characteristics and biological activities of 8 different commercially available juices including; apple, omija (fruit of Maximowiczia typica), grape, wild grape, orange, tomato, red ginseng and black garlic juice. The average water contents, pH, brix and acidity of the juices used were $85.59{\pm}5.80%$, $3.90{\pm}0.64$, $12.19{\pm}4.70%$, and $0.49{\pm}0.19%$, respectively. The polyphenol content of black garlic and grape juice were 1.50 and 1.21 mg/ml, respectively, and those were higher than the average content (0.57 mg/mL) of the juices. Evaluation of anticoagulation activity showed that only omija juice has a strong thrombin inhibition, which is comparable to that of aspirin (1.5 mg/mL). Omija, grape and orange juice all exhibited antibacterial activity, but no antifungal activity. The 8 different juices, and in particular grape and black garlic juice, showed strong antioxidant activity in DPPH and ABTS radical scavenging activity assays, with wild grape juice demonstrating potent nitrite scavenging activity. These results suggest that omija, grape and black garlic juice can be used as soaking solutions to produce taste, and other functional enhancements, for root crop chips.

Development of the Multi-Parametric Mapping Software Based on Functional Maps to Determine the Clinical Target Volumes (임상표적체적 결정을 위한 기능 영상 기반 생물학적 인자 맵핑 소프트웨어 개발)

  • Park, Ji-Yeon;Jung, Won-Gyun;Lee, Jeong-Woo;Lee, Kyoung-Nam;Ahn, Kook-Jin;Hong, Se-Mie;Juh, Ra-Hyeong;Choe, Bo-Young;Suh, Tae-Suk
    • Progress in Medical Physics
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    • v.21 no.2
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    • pp.153-164
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    • 2010
  • To determine the clinical target volumes considering vascularity and cellularity of tumors, the software was developed for mapping of the analyzed biological clinical target volumes on anatomical images using regional cerebral blood volume (rCBV) maps and apparent diffusion coefficient (ADC) maps. The program provides the functions for integrated registrations using mutual information, affine transform and non-rigid registration. The registration accuracy is evaluated by the calculation of the overlapped ratio of segmented bone regions and average distance difference of contours between reference and registered images. The performance of the developed software was tested using multimodal images of a patient who has the residual tumor of high grade gliomas. Registration accuracy of about 74% and average 2.3 mm distance difference were calculated by the evaluation method of bone segmentation and contour extraction. The registration accuracy can be improved as higher as 4% by the manual adjustment functions. Advanced MR images are analyzed using color maps for rCBV maps and quantitative calculation based on region of interest (ROI) for ADC maps. Then, multi-parameters on the same voxels are plotted on plane and constitute the multi-functional parametric maps of which x and y axis representing rCBV and ADC values. According to the distributions of functional parameters, tumor regions showing the higher vascularity and cellularity are categorized according to the criteria corresponding malignant gliomas. Determined volumes reflecting pathological and physiological characteristics of tumors are marked on anatomical images. By applying the multi-functional images, errors arising from using one type of image would be reduced and local regions representing higher probability as tumor cells would be determined for radiation treatment plan. Biological tumor characteristics can be expressed using image registration and multi-functional parametric maps in the developed software. The software can be considered to delineate clinical target volumes using advanced MR images with anatomical images.

Full mouth rehabilitation with vertical increase in patient with severe tooth wear using monolithic zirconia prosthetic restoration (과도한 치아마모를 보이는 환자에서 수직교합고경의 증가를 동반한 단일구조 지르코니아 보철물 전악수복)

  • Bang, Ji Won;Kim, Seong-A;Lim, Sun Yong;Lee, Yong-Sang
    • The Journal of Korean Academy of Prosthodontics
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    • v.58 no.4
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    • pp.369-377
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    • 2020
  • Gradual teeth wear is normal physiological progress, severe tooth wear can causes dysfunction, occlusal plane disharmony and esthetic problems. If additional space is needed for prosthetic restoration due to severe attrition, full mouth rehabilitation with increase of occlusal vertical dimension may be considered. In this case, 72 year old male patient with severe worn dentition, irregular gingival zenith and deep anterior bite was treated by full mouth rehabilitation for regaining the space for restoration, improving relationship and esthetic of anterior teeth. Provisional restoration obtained by systemic analysis, diagnosis and re-evaluation for a sufficient time was replicated to final restorations through double scanning technique using monolithic zirconia blocks. Satisfactory functional and esthetic outcomes were obtained.