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Starch Properties of Chinese Yam, Dioscorea opposita Thunb
Sang-Kuk Kim,Jae-Hee Won,Sang-Mo Kang,In-Jung Lee 韓國作物學會 2009 Korean journal of crop science Vol.54 No.2
The starch properties of two chinese yams were evaluated in this study. Amylose content ranged 13.5% to 19.3%. The swelling power of starches varied 10.98% to 11.43%. Water binding capacity in chinese yam starches ranged 93.46% to 107.21%, high WBC was observed in Ma 1. The onset temperature (To) of two chinese yam starches ranged 62.9 to 75.0~circC , peak temperature (Tp) ranged 76.2 to 84.7~circC . The PHI(peak height index) was about 4-fold higher in Anwon cultivar than in Ma 1 cultivar. SEM revealed that starches has a presence of large oval or spherical to small irregular-shape granules. Starch granule size ranged 15.23 to 15.52 ~mum , showing a typical C-type X-ray pattern.
Safety and Feasibility of Laparoscopic Surgery for Small Bowel Obstruction
Sung Min Kim,Jun Ho Park,Byung Chun Kim,Byung Mo Kang,Jong Wan Kim,Jeong Yeon Kim 대한내시경복강경외과학회 2018 Journal of Minimally Invasive Surgery Vol.21 No.2
Purpose: Laparoscopic adhesiolysis is increasingly used to treat patients with small bowel obstruction (SBO), however, its safety of laparoscopic surgery(LS) with bowel resection in SBO is unclear. The purpose of the present study was to compare the perioperative outcomes of LS with those of open surgery (OS) for SBO and to evaluate the risk factors of 30-day postoperative morbidity and recurrence. Methods: We retrospectively reviewed medical records of patients who had been diagnosed with SBO and underwent surgery at four Hallym-University-affiliated hospitals between January 2013 and December 2016. The rates of 30-day postoperative complications and recurrence were compared between groups using univariate and multivariate analysis. Propensity score matching was performed to compare the outcome. Results: A total of 117 patients with SBO were included in the present study, of which 86 underwent OS and 31 underwent LS. Time to water intake, time to soft diet, and postoperative hospital stay were significantly shorter in the LS group (p=0.002, 0.003, and 0.027, respectively). The complication (p=0.249) and recurrence rate (p=0.679) were similar between the two group. Propensity score matching analysis demonstrated that laparoscopic surgery showed quicker recovery and similar complication and recurrence rate. In multivariate analysis, LS was not associated with either complications (p=0.806) or recurrence (p=0.956). Conclusion: LS is associated with several perioperative advantages for the treatment of SBO without affecting the risk of 30-day postoperative complications or recurrence. Therefore LS can be a safe and feasible option for treating SBO.
The Haptoglobin β chain as a supportive biomarker for human lung cancers
Kang, Sung-Min,Sung, Hye-Jin,Ahn, Jung-Mo,Park, Jae-Yong,Lee, Soo-Youn,Park, Choon-Sik,Cho, Je-Yoel Royal Society of Chemistry 2011 Molecular bioSystems Vol.7 No.4
<P>Haptoglobin (Hp) is produced as an acute phase reactant during inflammation, infection, malignant diseases, and several cancers. In proteomics analysis using human blood samples, the Hp peptide levels were about 3-fold higher in lung cancer patients <I>versus</I> normal individuals. This study is aimed at analyzing the elevation of which chain of Hp is closely related to lung cancers and can be a serum biomarker for lung cancers. In Western blot (WB) analysis, we found that the Hp β chain can be a better diagnostic biomarker for lung cancers. In the result of the Hp β chain ELISA developed by us, the concentrations of the Hp β chain in the sera increased about 4-fold in 190 lung adenocarcinoma patients <I>versus</I> 190 healthy controls (8.0 ± 3.8 μg ml<SUP>−1</SUP><I>vs.</I> 1.9 ± 1.2 μg ml<SUP>−1</SUP>). ELISA data showed that the serum levels of the Hp β chain in breast cancer (1.5 ± 0.5 μg ml<SUP>−1</SUP>) and hepatocellular carcinoma (HCC) (1.4 ± 1.0 μg ml<SUP>−1</SUP>) patients remained similar to those of healthy controls. Compared to lung adenocarcinoma, the Hp β chain levels in the plasma of patients with other respiratory diseases such as tuberculosis (TBC), idiopathic pulmonary fibrosis (IPF) and bronchial asthma (BA) were closer to those of healthy controls. Our data suggest that an increase of the Hp β chain can be a potential serum biomarker for lung cancers.</P> <P>Graphic Abstract</P><P>The marked increase of the Haptoglobin β chain in lung cancers compared to other types of cancers or respiratory diseases suggests that it can be a potential serum biomarker for lung cancers. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c0mb00242a'> </P>
Mo, Changyeun,Lim, Jongguk,Kwon, Sung Won,Lim, Dong Kyu,Kim, Moon S.,Kim, Giyoung,Kang, Jungsook,Kwon, Kyung-Do,Cho, Byoung-Kwan Korean Society for Agricultural Machinery 2017 바이오시스템공학 Vol.42 No.4
Purpose: This study aims to propose a method for fast geographical origin discrimination between domestic and imported rice using a visible/near-infrared (VNIR) hyperspectral imaging technique. Methods: Hyperspectral reflectance images of South Korean and Chinese rice samples were obtained in the range of 400 nm to 1000 nm. Partial least square discriminant analysis (PLS-DA) models were developed and applied to the acquired images to determine the geographical origin of the rice samples. Results: The optimal pixel dimensions and spectral pretreatment conditions for the hyperspectral images were identified to improve the discrimination accuracy. The results revealed that the highest accuracy was achieved when the hyperspectral image's pixel dimension was $3.0mm{\times}3.0mm$. Furthermore, the geographical origin discrimination models achieved a discrimination accuracy of over 99.99% upon application of a first-order derivative, second-order derivative, maximum normalization, or baseline pretreatment. Conclusions: The results demonstrated that the VNIR hyperspectral imaging technique can be used to discriminate geographical origins of rice.