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한윤지,선창우,우연주,이동혁,서진우,유준상,김주희,권보인 대한예방한의학회 2023 대한예방한의학회지 Vol.27 No.2
Objectives : Sojadodamgangki-tang and its main components are traditional korean medicinal methods for treatment of cough, sputum and dyspnea. Using a respiratory inflammatory model, we intend to reveal the anti-inflammatory effect and its immune mechanism of Sojadodamgangki-tang. Methods : We used a papain-induced respiratory inflammatory mouse model. 8-week-old female BALB/C mice were divided into 3 groups as follows: the following groups: saline control group, papain treated group (vehicle), papain and Sojadodamgangki-tang (200 mg/kg) treated group(n=4). To evaluate the anti-inflammatory effect of Sojadodamgangki-tang extracts, inflammatory cell infiltration was measured in bronchoalveolar lavage fluid (BALF) and nasal lavage fluid (NALF). In addition, the effects of Sojadodamgangki-tang extracts on Th2 cell population in lung were determined by using flow cytometry. Results : Sojadodamgangki-tang extracts administration reduced inflammatory cell infiltration in BALF and NALF, especially of eosinophils. Furthermore, total immunogloblin (Ig)-E levels was reduced in BALF and serum by drug administration. Interestingly, Sojadodamgangki-tang extracts treatment also decreased the Th2 cell (CD4+ GATA3+ ) population in lung. Conclusions : Our findings indicate Sojadodamgangki-tang extracts have anti-inflammatory effects by mediating Th2 cell and B cell activation.
경사로 보행에서 신발의 형태가 발목 근육의 근활성도에 미치는 영향
정재현,한윤지,최준하,정보경,류지영,유재희,이상열 대한고유수용성신경근촉진법학회 2022 PNF and Movement Vol.20 No.3
Purpose: This study aims to identify the differences in the muscle activity of the ankle joint muscle depending on the type of footwear (sneakers, mule sneakers, slippers) worn while walking on a slope. Methods: The subjects wore each shoe (sneakers, mule sneakers, and slippers) and walked on an 18-degree slope at a speed of 110 beats/min. While walking, the muscle activities of the tibialis anterior and medial gastrocnemius were measured. Of the three walking cycles, the second walking cycle was measured except for the first and third walking cycles, which are the beginning and end, and a three-minute break was taken to prevent muscle fatigue when the type of footwear was changed. Results: When walking on a slope, there was no significant difference in the muscle activity of the tibialis anterior according to the type of footwear. However, when walking on a slope, the difference in muscle medial gastrocnemius muscle activity was significant between sneakers and mule sneakers. There was also a significant difference between sneakers and slippers, but there was no significant difference between slippers and mule sneakers. Conclusion: There was no significant statistical difference between sneakers and mule sneakers, but there was a numerical difference. Therefore, the presence or absence of the shoe collar may affect the muscle activity of the medial gastrocnemius when walking on a slope. This can lead to patellofemoral pain syndrome caused by the excessive use of the quadriceps, so it must be considered that caution is needed.
직무 만족-불만족에 대한 결정요인으로서 인지된 혁신성 수준의 역할에 대한 연구 : 텍스트 마이닝 기법의 활용
장호준,서교원,김종대,한윤지,송승연,박기완 서비스마케팅학회 2022 서비스마케팅저널 Vol.15 No.1
The present research aims to identify factors affecting employees’ job satisfaction in the financial industry, as domestic credit card issuing companies require innovative job performance, mainly due to rapid changes in digital payment systems. Focusing on the perceived innovativeness, we examine whether consumers’ expectations about the factors determining job (dis)satisfaction vary depending on the external corporate image. To do so, we collect data by web-crawling texts from a job review site, Jobplanet. Among various machine learning techniques, frequency analysis, hierarchical clustering, and regression analysis are used to derive insight into internal marketing. The results show that employees expect high relational (vs. transactional) compensation for companies with high (vs. low) innovative brand images. When such expectations are not fulfilled adequately, employees experience job dissatisfaction. The present study indicates that the importance of job satisfaction factors depends on the firm’s brand image, which is critical to the related literature. And our results can contribute to managers and marketers in the industry who design the internal marketing strategy to improve job satisfaction. 본 연구는 신속한 결제수단의 변화로 인해 경영 혁신이 요구되는 국내 카드 발행 기업을 중심으로 금융기업 내 직원 만족도에영향을 주는 요인을 파악한다. 구체적으로 브랜드가 가진 혁신성 이미지에 따라 내부 직원의 직무 만족-불만족 요인이 어떻게달라지는지를 고찰하였다. 이를 위해 본 연구는 기업평가 사이트 웹 크롤링(web crawling)을 통해 잡플래닛(Jobplanet)에게시된 내부직원들의 텍스트 평가 자료를 수집하고, 텍스트 마이닝을 이용한 빈도 분석, 계층적 군집 분석, 그리고 회귀 분석을시행하였다. 연구 결과, 보수적 이미지의 기업에 비해 혁신적 이미지를 가진 기업의 직원들은 관계적 보상과 거래적 보상 중전자에 대한 기대가 상대적으로 높았으며, 이러한 기대의 차이가 기업 평가에 유의미한 영향을 준다는 점을 확인하였다. 즉, 직원들은 기업의 인지된 혁신성 수준에 따라 기대하는 보상이 충족될 때 직무 만족도가 높았던 반면, 충족되지 않을 경우 직무불만족이 높아지는 것을 확인하였다. 본 연구는 기업이 가진 브랜드 이미지에 따라 직무 만족도 결정 요인의 중요도가 달라질수 있다는 사실을 규명하고, 이를 텍스트 마이닝 기법으로 도출하였다는 점에서 직무 만족도를 향상시키기 위한 내부 마케팅문헌에 기여하였다. 또한, 내부 마케팅을 효과적으로 디자인하기 위한 기업 실무자들에게도 유용한 시사점을 제공하였다.