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Jeon, Eun Bi,Son, Sung-Ho,Jeewanthi, Renda Kankanamge Chaturika,Lee, Na-Kyoung,Paik, Hyun-Dong Korean Society of Food Science and Technology 2016 Food Science and Biotechnology Vol.25 No.4
Lactobacillus plantarum Lb41 was determined probiotic properties and applied to cottage cheese. L. plantarum Lb41 showed high viability (>80%) in artificial gastric (pH 2.5, 0.3% pepsin for 3 h) and bile (0.3% oxgall for 24 h) acids, and adhered strongly to HT-29 cells (7.5% adhesion). It did not produce ${\beta}-glucuronidase$ and was resistant to several antibiotics. L. plantarum Lb41 did not inhibit proliferation of normal MRC-5 cells, but showed antiproliferative effects on AGS, HT-29, and LoVo cells, based on 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assays. In addition, L. plantarum Lb41 reduced nitric oxide production by macrophages. Cottage cheese containing this strain did not show significant differences in physicochemical properties, but the number of lactic acid bacteria was maintained longer than that in control cheese. These results indicate that L. plantarum Lb41 could potentially be used as a probiotic in foods.
콘크리트 타설 작업 자동화 시스템 개념 도출을 위한 특허 기술 분석
전은비 ( Jeon Eun-bi ),김균태 ( Kim Kyoon-tai ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.2
As the concrete pouring work relies on manual work, there is a lot of room for automated equipment development. In this study, as a basic study on the development of an automated system for pouring concrete, the trend of patent applications by year, country and detailed technology was investigated. Related technologies were classified into screed automation, CPB automation, and concrete pouring integrated system to analyze patent application trends. As a result, since 1999, patent applications have been steadily in progress, repeating increases and decreases in Japan, Korea, the United States, and Europe. In addition, the growth stage of the market is in the early stages of maturity, and patent applications for related technologies are expected to continue. In the future, based on the patent application trend analyzed in this study, the development direction of the automated concrete pouring system will be reviewed and the redundancy of similar technologies will be reviewed.