• Title/Summary/Keyword: ABI

Search Result 144, Processing Time 0.028 seconds

Analysis of Character Competency Change in High School Students by Role Assignment in Argument-Based Inquiry(ABI) Science Class (논의-기반 탐구 과학수업에서 역할분담에 따른 고등학생들의 인성 역량 변화 분석)

  • Cho, Hye Sook;Seo, Minsook;Nam, Jeonghee;Kwon, Jeong In;Son, Jeongwoo;Park, Jongseok
    • Journal of The Korean Association For Science Education
    • /
    • v.37 no.4
    • /
    • pp.763-773
    • /
    • 2017
  • The purpose of this study is to investigate the impact of Argument-Based Inquiry (ABI) strategy on student's character competency. For this study, 51 grade 11 students (two classes) were selected to the role assignment (ABI-R group) and 46 students (two classes) were assigned to the non-role assignment group (ABI group). In the result, the role assignment group (ABI-R group) showed a statistically higher change in character competency than the group without role assignment (ABI group). Particularly, the ABI-R group has significantly higher grade than ABI group in empathy, responsibility, and respect among the sub-factors of character competency. However, in the case of the cooperation factor of character competency, the ABI group showed statistically significant higher grade than ABI-R group. The results of this study showed that Argument-Based Inquiry (ABI) as teaching and learning strategies in science can contribute to the enhancement of human character competency. In addition, we suggest that students should be actively involved in the class through role assignment, but it is necessary to present the class situation so that they can be actively engaged according to the problem situation rather than being fixed in a given role.

Identification of a Prophage-encoded Abortive Infection System in Levilactobacillus brevis

  • Feyereisen, Marine;Mahony, Jennifer;O'Sullivan, Tadhg;Boer, Viktor;van Sinderen, Douwe
    • Microbiology and Biotechnology Letters
    • /
    • v.48 no.3
    • /
    • pp.322-327
    • /
    • 2020
  • Abortive infection systems (Abi) are phage resistance systems that can be prophage-encoded. Here, two genes encoding an Abi system were identified on a prophage sequence contained by the chromosome of the Levilactobacillus brevis strain UCCLBBS124. This Abi system is similar to the two-component AbiL system encoded by Lactococcus lactis biovar. diacetylactis LD10-1. The UCCLBBS124 prophage-derived Abi system (designated here as AbiL124) was shown to exhibit specific activity against phages infecting L. brevis and L. lactis strains. Expression of the AbiL124 system was shown to cause reduction in the efficiency of plaquing and cell lysis delay for phages of both species.

Evaluation of Tensile Properties of Cast Stainless Steel Using Ball Indentation Test

  • Kim Jin Weon
    • Nuclear Engineering and Technology
    • /
    • v.36 no.3
    • /
    • pp.237-247
    • /
    • 2004
  • To investigate the applicability of automated ball indentation (ABI) tests in the evaluation of the tensile properties of cast stainless steel (CSS), ABI tests were performed on four types of unaged CSS and on 316 stainless steel, all of which had a different microstructure and strength. The reliability of ABI test data was analyzed by evaluating the data scattering of the ABI test and by comparing tensile properties obtained from the ABI test and the tensile test. The results show that the degree of scattering of the ABI test data is reasonably acceptable in comparison with that of standard tensile data, when two points data that exhibit out-of-trend are excluded from five to seven points data tested on a specimen. In addition, the scattering decreases slightly as the content of ${\delta}-ferrite$ in CSS increases. Moreover, the ABI test can directly measure the flow parameters of CSS with error bounds of about ${\pm}10\%$ for the ultimate tensile stress and the strength coefficient, and about ${\pm}15\%$ for the yield stress and the strain hardening exponent. The accuracy of the ABI test data is independent of the amount of ${\delta}-ferrite$ in the CSS.

A Study about Correlation between Hot Flush and Pulse Wave Velocity(PWV)/Ankle-Brachial Index(ABI) in the Climacteric Women (갱년기 여성의 안면홍조와 맥파 전달 속도(PWV) 및 상완 발목 지수(ABI)의 상관성에 관한 연구)

  • Kim, Eun-Gyung;Hwang, Deok-Sang;Cho, Jung-Hoon;Jang, Jun-Bock;Lee, Jin-Moo;Lee, Chang-Hoon;Lee, Kyung-Sub
    • The Journal of Korean Obstetrics and Gynecology
    • /
    • v.23 no.1
    • /
    • pp.53-64
    • /
    • 2010
  • Purpose: This study was performed to observe the correlation between Hot flush and pulse wave velocity(PWV), ankle brachial index(ABI) in the Climacteric women. Methods: We studied 63 climacteric women visiting OO hospital from 8th January 2007 to 22nd April 2009. The subjects were categorized in two groups, the hot flush group(37) and normal group(26). For the study, the subjects were selected by excluding the patients who receive treatment affect hot flush or have disease affect arterial states. We assessed PWV and ABI of two groups by Oscillometric method using VS-1000(Form PWV/ABI; Fukuda Denshi, Co., Ltd., Japan). From these results, we studied the correlation between hot flush and PWV/ABI by Wilcoxon Mann Whitney Test. Results: 1. It is shown that hot flush group was no significant correlation with normal group. There is no significant factor among R-PWV, L-PWV, R-ABI, L-ABI. However, L-ABI have shown relatively higher correlation with comparison to the other factors.(p-value<0.05) 2. R-PWV, L-PWV significantly increased in menopause group than in premenopause group though there is no relation to the hot flush. (p-value<0.01) Conclusion: Though the results showed no correlations between Hot flush and PWV/ABI in the Climacteric women, L-ABI showed relatively higher correlation with hot flush than others. R-PWV, L-PWV showed significant correlation between premenopause and menopause.

Comparison of Vessel Disease and Gensini Score according to Ankle-Brachial Index in Patients with Cardiovascular Disease (심혈관 질환자의 발목-상완 지수에 따른 Vessel disease 및 Gensini score 비교 융복합 연구)

  • Choi, Suk-Kyeong;Choi, Hye-Ran
    • Journal of Digital Convergence
    • /
    • v.15 no.1
    • /
    • pp.267-275
    • /
    • 2017
  • The purpose of this study was to evaluate the clinical availability of ankle-brachial index(ABI) according to severity of cardiovascular disease. The subjects of this study were the patients who had ABI in a general hospital. In this study, total 441 patients were enrolled for analysis. Electric medical records were reviewed to investigate the result of ABI and severity of cardiovascular disease measured vessel disease and Gensini score. Collected data were analyzed using SPSS 21.0 program. Subjects with $ABI{\leq}0.90$ and > 0.90 were classified as having abnormal and normal ABI. There were significant differences in vessel disease categorization($x^2=4.731$, p=.030) and Gensini score(t=2.351, p=.019) between two groups. Therefore, ABI is an effective and non-invasive tool for the diagnosis of cardiovascular disease with high severity. ABI is a valuable predictive index of ischemic heart disease.

Brassinosteroids-mediated regulation of ABI3 is involved in high-temperature induced early flowering in plants

  • Hong, Jeongeui;Sung, Jwakyung;Ryu, Hojin
    • Journal of Plant Biotechnology
    • /
    • v.45 no.2
    • /
    • pp.83-89
    • /
    • 2018
  • The interplay of plant hormones is one of the essential mechanisms for plant growth and development. A recent study reported that Brassinosteroids (BR) and ABSCISIC ACID (ABA) interact antagonistically in early seedling developments through the BR-mediated epigenetic repression of ABSCISIC ACID-INSENSITIVE 3 (ABI3). However, the other physiological roles of the BR-mediated regulation of ABI3 and ABA responses beyond early seedling developments remain largely unknown. Here, we showed that the activation of BR signaling by high temperatures promotes flowering time through the suppression of ABI3 expressions. Elevated ambient temperature induced early flowering in wild type Col-0 plants, but not in BR-defective bri1-116 mutant plants. Conversely, a hyper BR biosynthetic dwf4-D mutant displayed more sensitive thermomorphic long shoot elongation and early flowering. Both expression patterns and physiological responses supported the biological roles of ABI3 in the regulation of floral transition and reproduction under high temperature conditions. Finally, we confirmed that the lowered expressions of the transcript and protein levels of ABI3 brought on by elevated temperature were correlated with warmth-induced early flowering phenotypes. In conclusion, our data suggest that the BR- and warmth-mediated regulation of ABI3 are important in thermomorphic reproductive phase transitions in plants.

The Relationship between Cardio-Ankle Vascular Index (CAVI), Ankle-Brachial Index (ABI), and Factors Related to Arteriosclerosis (Cardio-Ankle Vascular Index(CAVI), Ankle-Brachial Index(ABI)와 동맥경화 관련 요인과의 상관관계 연구)

  • Lee, Gi-hyang;Kang, Su-bin;Jeon, Sang-woo;Kang, Sei-young
    • The Journal of Internal Korean Medicine
    • /
    • v.41 no.3
    • /
    • pp.434-446
    • /
    • 2020
  • Objectives: The cardio-ankle vascular index (CAVI) and ankle-brachial index (ABI) are non-invasive methods to evaluate cardiovascular disease and arteriosclerosis. This study investigated the relationship between CAVI, ABI, and factors related to arteriosclerosis. Methods: This study included 535 healthy adults who underwent health examinations in 2019. We analyzed the correlation between CAVI, ABI and clinical variables. Multiple regression analysis was performed on the independent clinical variables associated with CAVI and ABI. Results: The correlation analysis of CAVI showed that body mass index (BMI) and HDL-cholesterol (HDL-C) had a negative correlation, and the other variables had a significant positive correlation. The correlation analysis with ABI on the right side showed that age, diastolic blood pressure (DBP), gender, and LDL-cholesterol (LDL-C) had a significant positive correlation, while HDL-C had a significant negative correlation. There was no statistical significance on the left. In the multiple regression analysis, DBP, age, BMI, gender, and HDL-C were proved to be independent factors in CAVI (right) (R2=0.365); DBP, age, gender, BMI, fasting blood sugar, and total cholesterol in CAVI (left) (R2=0.357); and age, gender, DBP, and systolic blood pressure in ABI (right) (R2=0.133). There were no statistically significant factors in ABI (left). It could be inferred that smoking and drinking are determinants that play an important role in CAVI. Conclusion: CAVI showed a high correlation with gender, age, and blood pressure. A significant correlation between CAVI and serum lipid values could be observed, but this showed a low correlation coefficient. ABI showed a high correlation with age and DBP. These results support the use of CAVI and ABI as primary diagnostic devices in medical treatment.

Correlation between Pragmatic Language and Executive Function in Patients with Acquired Brain Injury (후천성 뇌손상 환자의 화용언어와 집행기능 간 상관성)

  • Lee, Mi-Sook
    • The Journal of the Korea Contents Association
    • /
    • v.16 no.5
    • /
    • pp.58-67
    • /
    • 2016
  • Pragmatic language impairment is closely related to the executive function difficulties in patients with acquired brain injury(ABI). This study was designed to explore the correlation between two domains following ABI. Thirty-five participants with ABI were grouped into 21 aphasics due to stroke and 14 TBIs. All subjects were over 55 years old. Measures of two domains were administered to all participants. As a result, figurative language comprehension and functional/symbolic language were significantly correlated with the activating task in aphasic group. All tasks were significantly correlated in TBI group. Aphasic patients' figurative language comprehension significantly predicted the activating task. In TBI group, figurative language expression and functional/symbolic language were the predictable tasks of planning and activating, respectively. Current study demonstrates the evidence of a significant association between pragmatic language and executive function, and provides appropriate tasks used for cognitive-linguistic intervention of individuals with ABI.

Utility of Toe-brachial Index for Diagnosis of Peripheral Artery Disease

  • Park, Seong-Chul;Choi, Chang-Yong;Ha, Young-In;Yang, Hyung-Eun
    • Archives of Plastic Surgery
    • /
    • v.39 no.3
    • /
    • pp.227-231
    • /
    • 2012
  • Background : The ankle brachial pressure index (ABI) is a simple, useful method for diagnosing peripheral artery disease (PAD). Although the ABI is an objective diagnostic method, it has limited reliability in certain scenarios. The aim of the present study was to determine the accuracy and reliability of the toe brachial index (TBI) as a diagnostic tool for detecting stenosis in PAD, associated with normal or low ABI values. Methods : ABI and TBI values were measured in 15 patients with diabetic gangrene who were suspected of having lower extremity arterial insufficiency. The ABI and TBI values were measured using a device that allowed the simultaneous measurement of systolic blood pressure in the upper and lower extremities. In addition, the ABI and TBI values were compared pre- and post-angiography. Results : Patients with an ABI of 0.9-1.3 showed almost no difference between the 2 measurements. The patients with TBI >0.6 had no arterial insufficiency. The patients with TBI <0.6 required vascular intervention with ballooning. After the angiography, the gangrenous wounds decreased in size more rapidly than they did prior to the intervention. Conclusions : Our findings suggest that TBI is the method of choice for evaluating lower limb perfusion disorders. This result requires further studies of TBI in a larger number of patients. Future long-term studies should therefore evaluate the utility of TBI as a means of screening for PAD and the present findings should be regarded as preliminary outcomes.

The Effect of Negotiation in Argument-Based Inquiry on Middle School Students’ Claim and Evidence (논의기반 탐구에서 협상이 중학생들의 주장-증거 변화에 미치는 영향)

  • Jang, KyungHwa;Nam, Jeonghee
    • Journal of the Korean Chemical Society
    • /
    • v.60 no.1
    • /
    • pp.39-47
    • /
    • 2016
  • The purpose of this study was to investigate the impact of negotiation in Argument-Based Inquiry on students’ claim and evidence. A total of 126 first grade middle school students participated in this study and they performed five Argument-Based Inquiry (ABI) programs for one academic a year. To investigate the process of generating claim and evidence through the ABI, we interviewed students after they completed five ABI activities. The study findings showed that students ability to make claim and evidence improved as they progressed from individual activity to group activity in ABI activity and as ABI activities. The results also showed that students generated high level of claim and evidence through internal and external negotiation in ABI programs.