• Title/Summary/Keyword: Action research

Search Result 4,474, Processing Time 0.03 seconds

Immunoregulative Action of Bangpoongtongsungsan (방풍통성산(方風通聖散) 전탕액(煎湯液)의 면역(免疫) 조절작용(調節作用))

  • Lee, Chang-kyu;Song, Jeong-mo
    • Journal of Sasang Constitutional Medicine
    • /
    • v.10 no.2
    • /
    • pp.589-613
    • /
    • 1998
  • The purpose of this research was to investigate effects of Bangpoongtongsungsan water extract(BTSE) on the immune reaction, anti-allergy action and anti-inflammatory action in BALB/c mice. The administration of BTSE (500mg/kg) enhanced the cell viability of thymocytes and the population of helper T cells in splenic T-lymphocytes. BTSE suppressed the production of nitric oxide, but enhanced the phagocytic activity in peritoneal macrophages. BTSE enhanced hemagglutination titer in mice. BTSE inhibited passive cutaneous anaphylaxis induced by egg albumin in rat, the lethal anaphylaxis induced by platelet activating factor and compound 48/80 in mice, and then inhibited the degranulation of peritoneal mast cells induced by compound 48/80. BTSE did not inhibit Arthus reaction, but inhibited the delayed type hypersensitivity induced by SRBC and contact dermatitis induced by DNFB. BTSE inhibited the acute hind paw edema induced by histamine after 30 minutes, the permeability of evans blue into peritoneal cavity induced by acetic acid and the writhing syndrome induced by acetic acid. These results suggest that BTSE has an immunopotentiative action, anti-allergy action and anti-inflammatory action via the inhibition of histamine release.

  • PDF

The Meaning of Experience of Teachers who Implemented Action Research (현장연구를 실행해 본 유아교사의 경험과 그 의미에 관한 연구)

  • Ahn, Jeehyee;Suh, Youngsook
    • Korean Journal of Childcare and Education
    • /
    • v.9 no.5
    • /
    • pp.5-35
    • /
    • 2013
  • This study aimed to figure out the action research process and experience and to examine the significance of such experiences to teachers who implemented action research. This study took in-depth interviews with three experienced teachers and analyzed collected data. In order to carry out action research, they must start from the point of their standing and find the most suitable methodology for the method of their own life. There might cases that they felt strangeness because of unexpected reaction, and struggled hard against uncertainty. But, they finally experienced the joy of completion of their research. Such experiences gave them opportunities to reflect on their own lives and to escape any mannerism through concentration and enthusiasm. And they could recognize the importance of record of ordinary life in a meaningful way, and also recognize the meaning of process as a new start other than failure. So, they made efforts to grant meaning in a widened perspective. And they found themselves to live as empirical researchers. This study demonstrates that teachers in the educational field could not only have sufficient quality to be researchers but also need to be more aware of such talents.

Improving a newly adapted teaching and learning approach: Collaborative Learning Cases using an action research

  • Lee, Shuh Shing;Hooi, Shing Chuan;Pan, Terry;Fong, Chong Hui Ann;Samarasekera, Dujeepa D.
    • Korean journal of medical education
    • /
    • v.30 no.4
    • /
    • pp.295-308
    • /
    • 2018
  • Purpose: Although medical curricula are now better structured for integration of biomedical sciences and clinical training, most teaching and learning activities still follow the older teacher-centric discipline-specific formats. A newer pedagogical approach, known as Collaborative Learning Cases (CLCs), was adopted in the medical school to facilitate integration and collaborative learning. Before incorporating CLCs into the curriculum of year 1 students, two pilot runs using the action research method was carried out to improve the design of CLCs. Methods: We employed the four-phase Kemmis and McTaggart's action research spiral in two cycles to improve the design of CLCs. A class of 300 first-year medical students (for both cycles), 11 tutors (first cycle), and 16 tutors (second cycle) were involved in this research. Data was collected using the 5-points Likert scale survey, open-ended questionnaire, and observation. Results: From the data collected, we learned that more effort was required to train the tutors to understand the principles of CLCs and their role in the CLCs sessions. Although action research enables the faculty to improve the design of CLCs, finding the right technology tools to support collaboration and enhance learning during the CLCs remains a challenge. Conclusion: The two cycles of action research was effective in helping us design a better learning environment during the CLCs by clarifying tutors' roles, improving group and time management, and meaningful use of technology.

Formal Semantics for Processing Exceptions (예외 처리를 위한 형식 의미론)

  • Han, Jung-Lan
    • The KIPS Transactions:PartA
    • /
    • v.17A no.4
    • /
    • pp.173-180
    • /
    • 2010
  • To specify a formal semantics is to do a significant part for design, standardization and translation of programming languages. The existing studies of a formal semantics for Java have a weak point to describe a clear and practical semantics for an efficient translation. It is necessary to do research for a formal semantics to specify a static and dynamic semantics clearly in order to do an efficient translation. This paper presents the improved Action Equation that specifies a formal semantics for Java to extend the research using Action Equation. The Action Equation is a practical and accurate specification that describes object-oriented programming features and handles exceptions. The specified Action Equation is compared to other descriptions, in terms of readability, modularity, extensibility, and flexibility and then we verified that Action Equation is superior to other formal semantics.

An Analysis on an Action about Port Choice of Shipper using Fuzzy-Neural Network (퍼지-뉴로를 이용한 화주의 항만선택 행동 분석)

  • Jang, Woon-Jae;Keum, Jong-Soo
    • Journal of Navigation and Port Research
    • /
    • v.31 no.8
    • /
    • pp.725-731
    • /
    • 2007
  • This paper aims to analyze an action about a port choice of shipper between two ports. For this propose, this paper analyzed a port choice action for Kwangyang and Busan port using a fuzzy logic and neural network. Also, this paper compared classification performance of fuzzy-neural network to Logit model, and analyzed a port choice action into change Para-meta such as freight volumes and service standard.

Mechanism of Growth Hormone Action : Recent Developments - A Review

  • Sodhi, R.;Rajput, Y.S.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.14 no.12
    • /
    • pp.1785-1793
    • /
    • 2001
  • The interaction of growth hormone with it's receptor results in dimerization of receptor, a feature known in action of certain cytokines. The interaction results in generation of number of signalling molecules. The involvement of Janus kinases, mitogen activated kinases, signal transduction and activator of transcription proteins, insulin like substrate, phosphatidylinositol 3-kinase, phospholipase C, protein kinase C is almost established in growth hormone action. There are still many missing links in explaining diversified activities of growth hormone. Amino acid sequence data for growth hormones and growth hormone receptors from a number of species have proved useful in understanding species specific effects of growth hormone. Complete understanding of growth hormone action can have implications in designing drugs for obtaining desired effects of growth hormone.

Understanding the molecular mechanisms of bisphenol A action in spermatozoa

  • Rahman, Md Saidur;Pang, Myung-Geol
    • Clinical and Experimental Reproductive Medicine
    • /
    • v.46 no.3
    • /
    • pp.99-106
    • /
    • 2019
  • Bisphenol A (BPA) is an endocrine-disrupting chemical that is capable of interfering with the normal function of the endocrine system in the body. Exposure to this chemical from BPA-containing materials and the environment is associated with deleterious health effects, including male reproductive abnormalities. A search of the literature demonstrated that BPA, as a toxicant, directly affects the cellular oxidative stress response machinery. Because of its hormone-like properties, it can also bind with specific receptors in target cells. Therefore, the tissue-specific effects of BPA mostly depend on its endocrine-disrupting capabilities and the expression of those particular receptors in target cells. Although studies have shown the possible mechanisms of BPA action in various cell types, a clear consensus has yet to be established. In this review, we summarize the mechanisms of BPA action in spermatozoa by compiling existing information in the literature.

Human Action Recognition Using Deep Data: A Fine-Grained Study

  • Rao, D. Surendra;Potturu, Sudharsana Rao;Bhagyaraju, V
    • International Journal of Computer Science & Network Security
    • /
    • v.22 no.6
    • /
    • pp.97-108
    • /
    • 2022
  • The video-assisted human action recognition [1] field is one of the most active ones in computer vision research. Since the depth data [2] obtained by Kinect cameras has more benefits than traditional RGB data, research on human action detection has recently increased because of the Kinect camera. We conducted a systematic study of strategies for recognizing human activity based on deep data in this article. All methods are grouped into deep map tactics and skeleton tactics. A comparison of some of the more traditional strategies is also covered. We then examined the specifics of different depth behavior databases and provided a straightforward distinction between them. We address the advantages and disadvantages of depth and skeleton-based techniques in this discussion.

The Effect of Action Observational Training on Arm Function in People With Stroke (동작관찰훈련이 뇌졸중 환자의 상지 기능에 미치는 영향)

  • Lee, Moon-Kyu;Kim, Jong-Man
    • Physical Therapy Korea
    • /
    • v.18 no.2
    • /
    • pp.27-34
    • /
    • 2011
  • The aim of this study was to determine the effect of action-observation training on arm function in people with stroke. Fourteen chronic stroke patients participated in action-observation training. Initially, they were asked to watch video that illustrated arm actions used in daily activities; this was followed by repetitive practice of the observed actions for 3 times a week for 3 weeks. Each training session lasted 30 min. All subject participated 12 training session on 9 consecutive training days. For the evaluation of the clinical status of standard functional scales, Wolf motor function test was carried out at before and after the training and at 2 weeks after the training. Friedman test and Wilcoxon signed rank test was used to analyze the results of the clinical test. There was a significant improvement in the upper arm functions after the 3-week action-observation training, as compared to that before training. The improvement was sustained even at two weeks after the training. This result suggest that action observation training has a positive additional impact on recovery of stroke-induced motor dysfunctions through the action observation-action execution matching system, which includes in the mirror neuron system.

The Effect of Action Observation Training on Affected Side Upper Limb Dexterity in Stroke Patient : Single-subject research design (동작관찰이 뇌졸중 환자의 환측 상지 기민성에 미치는 영향 : 단일사례연구)

  • Yang, Yong-Pil;Kim, Ji-Hyun;Han, Mi-Ran;Kim, Eun-Bi
    • Journal of the Korean Society of Physical Medicine
    • /
    • v.7 no.1
    • /
    • pp.111-118
    • /
    • 2012
  • Purpose : The purpose of present study was to determine effects of action observation training on upper limb function after stroke. Training was progressed to imitation and intensive training after observation to required action in ADL. Methods : Among the single case study was used to ABA design. pre base line(A) was only collected participant information without intervention in 5 times. action observation intervention(B) was carried out 10 times and 5 times to base lime(A) after intervention. Results : Results indicated that 10-second test, box and block test, manual function test was increased when compared action observation intervention(B) to pre base line(A). Conclusion : To stroke action observation training was evaluated gross manipulation, dexterity and upper limb function in related with ADL. action observation training benefits were maintained after intervention(B) and showed improvement on upper limb function of stroke.