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Electroless Nickel-Phosphorus Coating on Poly (ether ether ketone)/Carbon Nanotubes Composite
Tong Zhai,Lizhi Di,De’an Yang 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.3
In order to improve electromagnetic shielding property of poly (ether ether ketone)/carbon nanotubes composite, a nickel-phosphorus coating was covered on the composite by electroless plating. The morphologies of the substrates and the coatings were characterized by SEM. XPS was performed to analyze the surface composition and chemical states before and after chemical etching. The results showed that lots of microscopic holes appeared and evenly distributed on the surface, and the concentration of hydrophilic groups on the surface increased after the composite was etched. Thermal shock test showed that the adhesive strength between the coating and the composite was good.
Expression of IER3 in Primary Hepatocarcinoma: Correlation with Clinicopathological Parameters
Liu, Zhong,Wang, Xin-Mei,Jia, Tong-Fu,Zhai, Yi,Sun, Ling-Yan,Cheng, Yu-Ping,Zhang, Yue-Min,Liu, Shi-Hai,Liang, Jun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.2
Background: Studies indicate the immediate early response gene 3 (IER3) is involved in many biological processes. Recently, it was discovered that IER3 plays an important role in tumorigenesis and tumor progression. Thus it may be a valuable biomarker in tumor. This study was designed to investigate the expression status of IER3 in primary hepatocarcinoma (PHC) and correlation with clinicopathological parameters. Materials and Methods: Real-time PCR was performed to evaluate the expression levels of IER3 in 62 pathologically diagnosed human PHC specimens. Results: A statistically significant association was disclosed between the expression of IER3 and P53 mutant protein (short for P53), Ki-67, EGFR and the biggest diameter, differentiation grade of tumor. Conclusions: This work is the first to shed light on the potential clinical usefulness of IER3, as an efficient tumor biomarker in PHC.
Yue-Feng Wang,Xue-Yue Hou,Chuan-Ying Jiang,Tong-Tong Zhai,Rui Miao,Jun-Jie Deng,Zhi-Hong Yao,Rongshu Zhang 한국원예학회 2021 Horticulture, Environment, and Biotechnology Vol.62 No.2
Trichoderma spp. are widely applied, eco-friendly mycofungicides and plant growth promoters. Native Trichoderma strainsare likely to have more productive, stable biocontrol and biofertilizer activities since they are well adapted to the local environment. In this study, we isolated a native Trichoderma strain ‘Th62’ from the rhizosphere soil of wild Chelidonium majusplants in Harbin, China (126.6341°E, 45.7242°N). The isolated Trichoderma strain was identifi ed as a T. harzianum strainvia morphological observation and molecular methods based on the rDNA internal transcribed spacer region and elongationfactor-1α gene sequences. Signifi cant antagonistic activities of Th62 against fi ve soil-borne fungal phytopathogens,Fusarium oxysporum , Sclerotinia sclerotiorum , Alternaria alternata , Cytospora chrysosperma, and Rhizoctonia solani ,were confi rmed by dual-culture assays. Furthermore, the crude fermentation products of Th62 also displayed antifungalactivities against these fi ve pathogens. To evaluate the function of Th62 as a biofertilizer, we subsequently applied Th62on cockscomb ( Celosia cristata L), a plant species with both ornamental and medicinal values, by inoculation with Th62conidia at diff erent concentrations, 1 × 10 10 cfu mL −1 , 1 × 10 11 cfu mL −1 , and 1 × 10 12 cfu mL −1 . The benefi cial eff ects ofTh62 were evaluated by measuring the growth and photosynthetic traits of the inoculated cockscomb plants, and the resultsdemonstrated that Th62 signifi cantly improved the photosynthetic effi ciency, photosynthetic capacity, and the adaptabilityto intense light of the inoculated cockscomb plants compared to the controls. Consistently, Th62 inoculation signifi cantlyimproved the growth and fl ower yield of cockscomb. We presented a positive case of isolating and applying native microbialresources on local plantation practices.
Hai-Xia Li,Yan Ma,Yu-Xiao Yan,Xin-Ke Zhai,Meng-Yu Xin,Tian Wang,Dong-Cao Xu,Yu-Tong Song,Chun-Dong Song,Cheng-Xue Pan 고려인삼학회 2023 Journal of Ginseng Research Vol.47 No.6
Background: Caveolin-1, the scaffolding protein of cholesterol-rich invaginations, plays an important rolein store-operated Ca2þ influx and its phosphorylation at Tyr14 (p-caveolin-1) is vital to mobilize protectionagainst myocardial ischemia (MI) injury. SOCE, comprising STIM1, ORAI1 and TRPC1, contributesto intracellular Ca2þ ([Ca2þ]i) accumulation in cardiomyocytes. The purified extract of steamed Panaxginseng (EPG) attenuated [Ca2þ]i overload against MI injury. Thus, the aim of this study was to investigatethe possibility of EPG affecting p-caveolin-1 to further mediate SOCE/[Ca2þ]i against MI injury in neonatalrat cardiomyocytes and a rat model. Methods: PP2, an inhibitor of p-caveolin-1, was used. Cell viability, [Ca2þ]i concentration were analyzedin cardiomyocytes. In rats, myocardial infarct size, pathological damages, apoptosis and cardiac fibrosiswere evaluated, p-caveolin-1 and STIM1 were detected by immunofluorescence, and the levels ofcaveolin-1, STIM1, ORAI1 and TRPC1 were determined by RT-PCR and Western blot. And, release of LDH,cTnI and BNP was measured. Results: EPG, ginsenosides accounting for 57.96%, suppressed release of LDH, cTnI and BNP, and protectedcardiomyocytes by inhibiting Ca2þ influx. And, EPG significantly relieved myocardial infarct size, cardiacapoptosis, fibrosis, and ultrastructure abnormality. Moreover, EPG negatively regulated SOCE viaincreasing p-caveolin-1 protein, decreasing ORAI1 mRNA and protein levels of ORAI1, TRPC1 and STIM1. More importantly, inhibition of the p-caveolin-1 significantly suppressed all of the above cardioprotectionof EPG. Conclusions: Caveolin-1 phosphorylation is involved in the protective effects of EPG against MI injury viaincreasing p-caveolin-1 to negatively regulate SOCE/[Ca2þ]i.