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- 저자 : Hu-Zhe Cui (검색결과 4 건)
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Zheng Hu-Zhe,Cui Chun-Lan,Jeong Woo-Sik,Chung Shin-Kyo 한국응용생명화학회 2020 Applied Biological Chemistry (Appl Biol Chem) Vol.63 No.5
In order to improve the synergistic effect of unripe apple polyphenols (APP) and chitooligosaccharides (COS), apple polyphenols-chitooligosaccharides microcapsule (APCM) were prepared by spray-drying method. The effects of APCM on the release of polyphenols in simulated gastrointestinal digestion model, as well as the anti-inflammatory effect against LPS-induced RAW264.7 cells were also evaluated. Scanning electron microscope (SEM) and HPLC analysis of APP and APCM showed that during the spray-drying process, most of the polyphenols are successfully encapsulated in COS. The simulated gastrointestinal digestion model results showed that about 98% of polyphenols released from APCM within 60 min. Anti-inflammatory effect of APCM on LPS induced RAW 264.7 cells showed that although APP showed a strong inhibitory effect on cell viability at 0.6 mg/mL, the effect of APCM on cell viability was less and could maintain a high level at the same concentration. In addition, APCM significantly inhibited nitric oxide (NO) and TNF-α production via the elevation of cytokine IL-10 as the concentration increases, respectively. The results suggest that APCM alleviate the intensity of inflammatory processes by inhibiting the production of pro-inflammatory cytokines TNF-α, as well as additionally by promoting the production of anti-inflammatory cytokines IL-10. These findings provide scientific and theoretical support for the claim that traditional medicine treats inflammation-related diseases.
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Li, Jun,Cui, Yuanchao,Bi, Chenxi,Feng, Shaoqiong,Yu, Fengzhen,Yuan, En,Xu, Shengzhen,Hu, Zhe,Sun, Qi,Wei, Dengguo,Yoon, Juyoung American Chemical Society 2019 ANALYTICAL CHEMISTRY - Vol.91 No.11
<P>Hydrazine induced toxicity causes serious harm to the health of humans. The detection of N<SUB>2</SUB>H<SUB>4</SUB> in vitro and in vivo has attracted a great deal of attention, especially in the context of fluorescent probes. Although some fluorescent N<SUB>2</SUB>H<SUB>4</SUB> probes have been reported, only a few operate in purely aqueous media and, as a result, require the use of organic cosolvents which hinders their use in analysis of real samples. In addition, most of the current N<SUB>2</SUB>H<SUB>4</SUB> probes are either “off-on” or “on-off” types, in which it is difficult to eliminate interference from background fluorescence commonly occurring in in vitro and in vivo systems. Furthermore, some probes are unable to differentiate hydrazine from other organic amines. To address the above problems, we developed a novel oligo(ethylene glycol)-functionalized fluorescent probe for the detection of N<SUB>2</SUB>H<SUB>4</SUB>. The probe, which has a donor−π-acceptor (D−π-A)-type structure, is water-soluble, and it can be utilized to selectively detect N<SUB>2</SUB>H<SUB>4</SUB> in both colorimetric and ratiometric mode. Furthermore, the probe is able to differentiate hydrazine from other organic amines and can be used to detect hydrazine vapor and for imaging A549 cells and zebrafish.</P> [FIG OMISSION]</BR>
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Degradation of Lignocelluloses in Rice Straw by BMC-9, a Composite Microbial System
( Hongyan Zhao ),( Hai Ru Yu ),( Xu Feng Yuan ),( Ren Zhe Piao ),( Hu Lin Li ),( Xiao Fen Wang ),( Zong Jun Cui ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.5
To evaluate the potential utility of pretreatment of raw biomass with a complex microbial system, we investigated the degradation of rice straw by BMC-9, a lignocellulose decomposition strain obtained from a biogas slurry compost environment. The degradation characteristics and corresponding changes in the bacterial community were assessed. The results showed that rapid degradation occurred from day 0 to day 9, with a peak total biomass bacterium concentration of 3.3 × 10(8) copies/ml on day 1. The pH of the fermentation broth declined initially and then increased, and the mass of rice straw decreased steadily. The highest concentrations of volatile fatty acid contents (0.291 mg/l lactic acid, 0.31 mg/l formic acid, 1.93 mg/l acetic acid, and 0.73 mg/l propionic acid) as well as the highest xylanse activity (1.79 U/ml) and carboxymethyl cellulase activity (0.37 U/ml) occurred on day 9. The greatest diversity among the microbial community also occurred on day 9, with the presence of bacteria belonging to Clostridium sp., Bacillus sp., and Geobacillus sp. Together, our results indicate that BMC-9 has a strong ability to rapidly degrade the lignocelluloses of rice straw under relatively inexpensive conditions, and the optimum fermentation time is 9 days.
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Yue Li,Jing-Ying Zhang,Xin-Yue Zhao,Li-Ya Pan,De-Hao Jin,He-Xing Xu,Hu-Zhe Cui,Yan-Qun Liu,Xiang-Zheng Qin,Qingyuan Li 대한정형외과학회 2021 Clinics in Orthopedic Surgery Vol.13 No.2
Background: The accessory tendon of the extensor hallucis longus (ATEHL) muscle is a common abnormal structure, and its clinical significance remains debatable. In this study, we provide the incidence of the ATEHL and characterize its morphological types in Asian cadavers and investigate its clinical applications. Methods: The tendons from 50 adult cadaveric feet, fixed in 10% formalin, were analyzed. We measured the length and width of both the ATEHL and the extensor hallucis brevis (EHB). Results: All dissected specimens had an ATEHL. The first metatarsophalangeal joint was surrounded by an accessory tendon that inserted onto the joint capsule and the dorsal base of the proximal phalanx. We classified the ATEHL into 3 types based on their directions. Differences in ATEHL type based on sex were not statistically significant. Conclusions: We found an ATEHL in all cadaveric specimens in this study. We surmise that the ATEHL acts as an antagonist with the EHB when the toe is extending, which might help prevent the occurrence of hallux valgus deformity.
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