• Title/Summary/Keyword: reaction factors

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Analysis of Component Factors Concerned in Taste of Korean Hot Pepper by Sensory Evaluation (관능평가를 이용한 고추의 맛에 관여하는 성분 요인 분석)

  • Soh, Jae-Woo;Choi, Ki-Young;Lee, Yong-Beom;Nam, Sang-Yong
    • Journal of Bio-Environment Control
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    • v.20 no.4
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    • pp.297-303
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    • 2011
  • The contents of capsaicinoid, free sugars and organic acids of six varieties of Korean hot pepper, Supermanita, Dokyacheongcheong, Shinseokyeoi, Wangdaebak, Hanbando, and Chungyang, were measured. The sensory evaluations of its extracts were compared in order to investigate the indirect effect or reaction of the composition of taste components on sensory acceptability of Korean hot pepper. The contents of capsaicinoid were considerably from $37.8mg{\cdot}100g^{-1}$ to $164.1mg{\cdot}100g^{-1}$, and the contents of free sugars were from 9.3% to 18.2%, and the contents of organic acids were from 8.1% to 14.7% in Korean hot peppers. Although the pungent sensory evaluation of water extract of pepper powder was completely accordant with instrumental analysis result of capsaicinoid contents, they did not show a significant relationship to the sensory of taste. Multiple regression with capsaicinoid (CAP), total sugars (TS) and total organic acid (TOA) contents increased the correlation coefficient for sensory of taste to r = 0.927 and the coefficient of determination for them to $R^2=0.906$. However, we suggest the more efficient function for it which is composed of two independent variables only. As the result, a regression equation of Y = 0.69 X + 0.11 with $R^2=0.884$ was obtained for quantitative analysis of sensory evaluation of pepper taste by two factors between capsaicinoid and total free sugar.

Revalidation of the Hospital Violence Attitude Scale-18 (HVAS-18) in Clinical Nurses (임상간호사의 병원폭력에 대한 태도 측정도구 신뢰도, 타당도 재검증)

  • Cho, Jin-Young;Ha, Eun-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.8
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    • pp.135-144
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    • 2017
  • The purpose of this study was to revalidate the 'Hospital Violence Attitude Scale-18 (HVAS-18) in clinical nurses'. 150 clinical nurses from three general hospitals in two cities participated in this study. Data were collected from March to April in 2017. The collected data were analyzed using factor analysis, Pearson correlation coefficients, and Cronbach's alpha. The final HVAS-14 consisted of fourteen items and four factors emerged, which explained 74.1% of the total variance. These four factors were labeled: Factor 1 (3 items) 'awareness' which explained 20.3%; Factor 2 (4 items) 'response' which explained 20.2%; Factor 3 (3 items) 'reaction' which explained 15.5%; and Factor 4 (4 items) 'result' which explained 15.4%. The internal consistency and intraclass correlation coefficient (ICC), as measured by Cronbach's alpha, were both .87, and the reliability of the subscales ranged from .78 to .86. The results of this study indicate that HVAS-14 is a useful, reliable and valid instrument to measure the hospital violence attitude of clinical nurses.

A1E Induces Apoptosis via Targeting HPV E6/E7 Oncogenes and Intrinsic Pathways in Cervical Cancer Cells

  • Ham, Sun Young;Bak, Ye Sol;Kwon, Tae Ho;Kang, Jeong Woo;Choi, Kang Duk;Han, Tae Young;Han, Il Young;Yang, Young;Jung, Seung Hyun;Yoon, Do Young
    • Journal of Applied Biological Chemistry
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    • v.57 no.2
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    • pp.103-111
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    • 2014
  • A1E is an extract from traditional Asian medicinal plants that has therapeutic activities against cancers, metabolic disease, and other intractable conditions. However, its mechanism of action on cervical cancer has not been studied. In order to ascertain if A1E would have pronounced anti-cervical cancer effect, cervical cancer cells were incubated with A1E and apoptosis was detected by nuclear morphological changes, annexin V-FITC/PI staining, cell cycle analysis, western blotting, Reverse-transcription polymerase chain reaction, and measurement of mitochondrial membrane potential. Expression of human papiloma virus E6 and E7 oncogenes was down-regulated in A1E-treated cervical cancer cells, while p53 and retinoblastoma protein levels were enhanced. A1E also perturbed cell cycle progression at sub-G1 and altered cell cycle regulatory factors in SiHa cervical cancer cells. A1E activated apoptotic intrinsic pathway markers such as caspase-9, caspase-3 and poly ADP-ribose polymerase, and down-regulated expression of Bcl-2 and Bcl-xl. A1E induced mitochondrial membrane potential collapse and cytochrome c release, and inhibited phosphatidylinositol 3-kinase (PI3K)/Akt, key factors involved in cell survival signaling. Taken all these results, A1E induced apoptosis via activation of the intrinsic pathway and inhibition of the PI3K/Akt survival-signaling pathway in SiHa cervical cancer cells. In conclusion, A1E exerts anti-proliferative action growth inhibition on cervical cancer cells through apoptosis which demonstrates its anti-cervical cancer properties.

Design Scheme to Develop Integrated Remediation Technology: Case Study of Integration of Soil Flushing and Pneumatic Fracturing for Metal Contaminated Soil (복합복원기술 개발을 위한 설계안 : 중금속 오염토양을 위한 토양세척과 토양파쇄의 통합 사례 연구)

  • Chung, Doug-Young;Yang, Jae-E.
    • Korean Journal of Soil Science and Fertilizer
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    • v.39 no.1
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    • pp.29-37
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    • 2006
  • In remediation of the contaminated soil, it requires to select at least more than two remediation technologies depending on the fate and transport phenomena through complicated reactions in soil matrix. Therefore, methodologies related to develop the integrated remediation technology were reviewed for agricultural soils contaminated with heavy metals. Pneumatic fracturing is necessary to implement deficiency because soil washing is not effective to remove heavy metals in the subsurface soil. But it needs to evaluate the characteristics such as essential data and factors of designated technology in order to effectively apply them in the site. In the remediation site, the important soil physical and chemical factors to be considered are hydrology, porosity, soil texture and structure, types and concentrations of the contaminants, and fate and its transport properties. However, the integrated technology can be restrictive by advective flux in the area which remediation is highly effective although both soil washing and pneumatic fracturing were applied simultaneously in the site. Therefore, we need to understand flow pathways of the target contaminants in the subsurface soils, that includes kinetic desorption and flux, predictive simulation modeling, and complicated reaction in heterogenous soil.

Therapeutic Benefits of Mesenchymal Stromal Cells in a Rat Model of Hemoglobin-Induced Hypertensive Intracerebral Hemorrhage

  • Ding, Rui;Lin, Chunnan;Wei, ShanShan;Zhang, Naichong;Tang, Liangang;Lin, Yumao;Chen, Zhijun;Xie, Teng;Chen, XiaoWei;Feng, Yu;Wu, LiHua
    • Molecules and Cells
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    • v.40 no.2
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    • pp.133-142
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    • 2017
  • Previous studies have shown that bone marrow mesenchymal stromal cell (MSC) transplantation significantly improves the recovery of neurological function in a rat model of intracerebral hemorrhage. Potential repair mechanisms involve anti-inflammation, anti-apoptosis and angiogenesis. However, few studies have focused on the effects of MSCs on inducible nitric oxide synthase (iNOS) expression and subsequent peroxynitrite formation after hypertensive intracerebral hemorrhage (HICH). In this study, MSCs were transplanted intracerebrally into rats 6 hours after HICH. The modified neurological severity score and the modified limb placing test were used to measure behavioral outcomes. Blood-brain barrier disruption and neuronal loss were measured by zonula occludens-1 (ZO-1) and neuronal nucleus (NeuN) expression, respectively. Concomitant edema formation was evaluated by H&E staining and brain water content. The effect of MSCs treatment on neuroinflammation was analyzed by immunohistochemical analysis or polymerase chain reaction of CD68, Iba1, iNOS expression and subsequent peroxynitrite formation, and by an enzyme-linked immunosorbent assay of pro-inflammatory factors (IL-$1{\beta}$ and TNF-${\alpha}$). The MSCs-treated HICH group showed better performance on behavioral scores and lower brain water content compared to controls. Moreover, the MSC injection increased NeuN and ZO-1 expression measured by immunochemistry/immunofluorescence. Furthermore, MSCs reduced not only levels of CD68, Iba1 and pro-inflammatory factors, but it also inhibited iNOS expression and peroxynitrite formation in perihematomal regions. The results suggest that intracerebral administration of MSCs accelerates neurological function recovery in HICH rats. This may result from the ability of MSCs to suppress inflammation, at least in part, by inhibiting iNOS expression and subsequent peroxynitrite formation.

Effects of Boheotang-gagam on Milk Production and Factors Related Lactation in Postpartum Mice (보허탕가감 투여가 산후 생쥐의 유즙분비량 및 유즙분비 관련 인자에 미치는 영향)

  • Lee, Ah-Yeong;Lee, Eun-Hee;Im, Ji-Yeong;Kim, Hong-Jun;Lee, Chang-Hyun
    • The Journal of Korean Obstetrics and Gynecology
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    • v.29 no.1
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    • pp.35-52
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    • 2016
  • Objectives :The purpose of this study was to investigate the effect on factors related the expression of aquaporins (AQP) and milk production after administration of Boheotang-gagam in lactating mice. Methods: The SKH-1 mice were randomly allocated to the control group which was administered with distilled water for two weeks after the parturition and the experimental groups such as, lactating+400G group (L400G) which was administered with Boheotang-gagam 400 mg/day, lactating+600G group (L600G) which was administered with 600 mg/day for two weeks after the parturition, and 400G+lactating+400G group (400G-L400G) which was administered with 400 mg/day for 3 weeks starting one week prior to parturition for experiment (n=6 per group). Results: 1. With regard to the immunohistochemical staining reaction for AQP1, AQP3, and AQP5, stronger immune response was also showed in mammary gland in all experimental groups as compared to the control group. AQP1 showed stronger immune response in the capillaries and venules which were located around the interlobular duct, while stronger immune response of AQP3 and AQP5 showed in the secretory alveolar epithelia and intralobular and interlobular ductal epithelial cells. 2. In the western blot, L400G group showed the most increased expression followed by L600G and then 400G-L400G group in AQP1. In AQP3, the order of expression density was observed as L600G, 400G-L400G and L400G group. Lastly, in AQP5, L400G group presented the most increased expression followed by L600G and 400G-L400G group. Conclusions: Boheotang-gagam would have the effect of increasing the lactation of mice after the birth by increasing the prolactin level and adjusting the expression of AQPs and prolactin receptor in the mammary glands.

Clinical study of Chronic Urticaria (만성두드러기에 대한 임상적 고찰)

  • Kim, Hye-Jeong
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.15 no.2
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    • pp.252-260
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    • 2002
  • Introduction Urticaria is widely spread disease. About 15-20 $\%$ of population has experienced at least once in a life time. The etiology of urticaria is uncertain till now, and the affcting factors are various chemical material, physical factors, alcohol, fever, exercise, and hormone, etc. The symptoms of urticaria are small or large wheal-erythema reaction and itching or tingling sense. Cause there is no probe to detect the urticaria clearly, the treatment of urticaria is symptomatic. And mostly urticaria can be chronic and very hard to treat it fundamentally. Nowadays, many trials to treat the urticaria in oriental medical way show good curability. In this paper I'd like to report the treatment rate and degree of urticaria patients mostly using anti-histamine medication. Subjects From the outpatients who visited Korean Hospital of Kyunghee Kangnam during 2000-4 and 2002-1, the 36 chronic urticaria patients, at least more than 4 weeks from onset and 2weeks of treatment period, were chosen. Methods I evaluated the results of treatment with the following scale. Very Good: The all symptoms are clearly disappeared or one third of symptoms remain and sometimes eruption is appeared. Good: Half of the symptoms are improved but most of symptoms remain. No Change: No change appears before and after treatment. Worse: The degree and duration of eruption get worse than pre-treatment state. Results For Acupuncture treatment, I chose the several Acu points like Hapgok(합곡), Taichung(대충), Gokji(곡지), Yanggok(양곡), Yanggea(양계), and lmeup(족임읍), and usually lasted it 15 minutes. With the acupuncture treatment and herb medicine, 2-3 times a week, the patients whose treatment period was 2 to 4 weeks were 17(47.2$\%$), 4 to 8 weeks were 11(30.5$\%$), 8 to 12 weeks were 3(8.3$\%$), 12 to 16 weeks were 3(8.3$\%$), longer than 16 weeks were 2(5.5$\%$) Collecting the statistics of the frequency of prescripted herb medicine, Hyangsosan(향소산) was prescripted 21 times(58.3$\%$), Hyangsapyungwisan(향사평위산) was 15 times(41.6$\%$), Hwapisan(화피산) was 9 times(25$\%$), Yangwitang(양위탕) was 6 times(16.6$\%$), Bojungikkitang(보중익기탕가미) was 4 times(11.1$\%$), Yongdamsagantang (용담사간탕가미) was 4 times(11.1$\%$). The result of the treatments, evaluating with mentioned rate scale, was 11 cases(30.5$\%$) were Very Good degree, 19 cases(52.7$\%$) were Good , 6 cases(16.6$\%$) were No Change. No cases were Worse degree. Conclusion According to this research, we could say that chronic urticaria can be treated with Oriental medical methods. But more precise probes in both Oriental and Western medicine to diagnose the chronic urticaria should be established and we need to make standards for testing and diagnosing the chronic urticaria.

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Arthralgia and Myalgia Associated with the Use of Bisphosphonate: An Active Monitoring Study (비스포스포네이트 제제 관련 관절통 및 근육통에 대한 지역 약국 약사 및 환자 능동적 모니터링)

  • Song, Jung-woo;Park, So-Hee;Yoon, Dongwon;Lee, Mo-Se;Lee, Jung-Min;Kim, Na-Young;Kim, Young-Wook;Lee, Ju-Yeun;Shin, Ju-Young
    • Korean Journal of Clinical Pharmacy
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    • v.31 no.3
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    • pp.180-187
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    • 2021
  • Objective: We investigated arthralgia and myalgia associated with the use of oral bisphosphonate (BP) by conducting a survey of patient. Methods: The pharmacists conducted a survey between 1 Oct 2019 and 30 Sep 2020 among patients who were dispensed BP in community pharmacies to assess their demographic and medical characteristics, and their experiences with, and process for pain. Logistic regression analyses were performed to find the risk factors associated with the pain, and the odds ratios (OR) and 95% confidence intervals (CI) were determined. Results: A total of 160 patients who used BP participated in the survey (74 [46.3%] used risedronate; 61 [38.1%] used alendronate; 23 [14.4%] used ibandronate), and 20 (12.5%) of them experienced pain. Significant statistical differences of the characteristics between patients who experienced pain or not were observed regarding menopause, and parity. Compared with women who had one or two parity, women who had more than three parity were associated with the decreased risk of pain (OR, 0.24; 95% CI, 0.04-0.98). Moreover, steady exercise was associated with the decreased risk of pain compared to less exercise (OR, 0.37; 95% CI, 0.14-0.98). Conclusion: Our findings suggest that the risk of pain in BP-treated patients might be different regarding the different ingredients of BP, and dosing frequency. This survey highlights a need for a further safety research to understand the factors influencing the pain associated with the BP treatment.

Relationship between stress and subjective oral dryness in the elderly in a rural region: a pilot study (농촌 노인의 스트레스와 주관적 구강건조감의 관련성: 예비조사)

  • Cho, Min-Jeong;Lee, Eun;Youm, Yoosik;Kim, Hyeon Chang;Jung, Eun-Kyung;Kim, Jin-Kyung;Song, Keun-Bae;Choi, Youn-Hee
    • Journal of Korean Academy of Oral Health
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    • v.41 no.4
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    • pp.243-249
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    • 2017
  • Objectives: Stress is a psychological reaction to stimuli such as anxiety or threat felt by a person either physically or mentally when placed in a difficult situation. Although a relationship between stress and dry mouth has been reported, it remains understudied. The purpose of this study was to investigate the association between stress and subjective dry mouth among the elderly living in a rural region. Methods: A total of 214 people aged ${\geq}60years$ living in a rural area were recruited with an informed consent for a cross-sectional analysis. Information about stress and subjective dry mouth was obtained by an interview survey with a constructed questionnaire. Data on other potential confounding factors (including oral factors) such as socio-demographic data, health-related behaviors, the number of remaining teeth, and subjective chewing ability were also gathered at the same time. Logistic regression models were used to analyze the relationship of stress and dry mouth using SPSS. Results: The Crude odds ratio (OR) of stress awareness affecting subjective dry mouth was 2.59 (95% confidence interval: 1.43-4.68). After adjusting for sex, education, income, smoking, and alcohol intake, the adjusted OR was 2.52 (95% confidence interval: 1.30-4.87) which was statistically significant. Conclusions: Elderly people who were stressed had an approximately 2-fold increase in experiencing subjective dry mouth when compared to their stress-free counterparts.

Effect of Self-Rated Health Awareness and Oral Health Care Behavior on Dental Fear in Some Areas Adult Patients (일부지역 성인 환자의 주관적 건강인식과 구강건강관리행태가 치과공포감에 미치는 영향)

  • Park, Chung-Mu;Yoon, Hyun-Seo
    • Journal of the Korea Convergence Society
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    • v.9 no.12
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    • pp.401-409
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    • 2018
  • The purpose of this study was to examine the oral health care and self-rated health status of adults visiting dental clinics in the region of Busan and influential factors for their dental fear from January to May, 2017, in an effort to obtain some information on how to relieve fear. As for dental fear, adults who were in their 30s, who were homemakers and whose monthly income ranged from 4 to 4.99 million won. In regard to fear according to oral health care, dental fear caused by the treatment avoidance factor was stronger among the adults who didn't receive dental checkups and who brushed their teeth in the wrong way. Dental fear that was attributed to the physiological reaction factor and the stimuli-inducing factor was severer among the adults who didn't receive dental checkups and who had no scaling experience. Overall fear was severer among the adults who didn't receive dental checkups and who changed their toothbrushes every four or more months. The factors that affected dental fear were self-rated health status, self-rated oral health status, gender, age, whether to receive dental checkups on a regular basis or not, and oral health education experience. Therefore in order to alleviate dental fear, self-rated health status should be improved, and the kind of system that encourages regular dental checkups and provides oral health education should be prepared.