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Choi, Yuri,Park, Mira,Kyoung Shin, Hye,Liu, Yanan,Choi, Ja-Wun,Nirmala, Rajkumar,Park, Soo-Jin,Kim, Hak-Yong Elsevier 2014 Materials letters Vol.123 No.-
Polyacrylonitrile (PAN)-based electrospun nanofibers (NFs) were irradiated using an electron beam. 1% hydrogen peroxide (H2O2) solution was sprayed during Electron Beam Irradiation (EBI) as a further oxidative stabilization process. Fourier transform infrared spectroscopy (FT-IR) and X-ray Diffraction (XRD) of electrospun PAN NFs indicated that the transformation of C=N to C=N groups was accelerated by spraying 1% H2O2 solution. EBI-H2O2 stabilized PAN NFs reduce the onset temperature, extends the exothermic reaction, and improves the stabilization at a significantly lower dose of irradiation (50 kGy) as a result of cyclization and oxidation of PAN molecules caused by 1% H2O2 solution. (c) 2014 Elsevier B.V. All rights reserved.
Pant, Bishweshwar,Pant, Hem Raj,Park, Mira,Liu, Yanan,Choi, Ja-Wun,Barakat, Nasser A.M.,Kim, Hak-Yong Elsevier 2014 CATALYSIS COMMUNICATIONS - Vol.50 No.-
CdS/TiO2 NPs-decorated carbon nanofibers were introduced as a novel photocatalyst working under visible light radiation for the effective hydrolytic dehydrogenation of ammonia borane. Calcination of electrospun nanofiber mats composed of titanium tetraisopropoxide, poly (vinyl pyrrolidone) (PVP), and cadmium acetate dihydrate with a few drops of ammonium sulfide in argon atmosphere at 850 degrees C led to the production of CdS-TiO2 decorated carbon nanofibers. As-synthesized nanocomposite exhibited a strong photocatalytic activity for catalytic hydrolysis of ammonia-borane. The favorable electrons-transfer properties, better dispersion, high surface area, and adsorption property are the main features of nanocomposites that exhibit high catalytic efficiency. (C) 2014 Elsevier B.V. All rights reserved.
Human ERV3-1 env protein expression in various human tissues and tumours
Kang, Yun-Jeong,Jo, Jin-Ok,Ock, Mee Sun,Chang, Hee-Kyung,Baek, Kyung-Wan,Lee, Ja-Rang,Choi, Yung Hyun,Kim, Wun-Jae,Leem, Sun-Hee,Kim, Heui-Soo,Cha, Hee-Jae BMJ Publishing Group Ltd 2014 Journal of clinical pathology Vol.67 No.1
Kang, Ho Won,Seo, Sung Pil,Byun, Young Joon,Piao, Xuan-Mei,Kim, Ye-Hwan,Jeong, Pildu,Ha, Yun-Sok,Kim, Won Tae,Kim, Yong-June,Lee, Sang-Cheol,Moon, Sung-Kwon,Choi, Yung-Hyun,Yun, Seok-Joong,Kim, Wun-Ja Elsevier 2018 Clinical genitourinary cancer Vol.16 No.4
<P><B>Abstract</B></P> <P><B>Background</B></P> <P>Pathologic T1 high-grade (pT1HG) bladder cancer (BC) is characterized by a high progression rate and constitutes an important clinical challenge; however, there is no consensus on the prediction of progression in pT1HG BC. The purpose of this study was to validate previously published molecular progression risk score (MoPRS) for predicting muscle-invasive disease in pT1HG BC.</P> <P><B>Materials and Methods</B></P> <P>The expression of an 8-gene progression-related classifier identified from microarray data was analyzed by real-time PCR, and the MoPRS was calculated in 121 newly recruited patients with pT1HG BC. Progression was defined as muscle invasion or metastasis.</P> <P><B>Results</B></P> <P>Overall, the disease of 28 patients (23.1%) progressed to muscle-invasive BC during the median follow-up of 63.7 (interquartile range, 17.6-96.4) months. The MoPRS was significantly higher in 1973 World Health Organization grade 3 than grade 2 tumors (<I>P</I> = .004). Early development of invasive BC was more prevalent in the highest quartile MoPRS group than in the lowest to 75th percentile MoPRS groups according to Kaplan-Meier analysis. Multivariate Cox regression analysis revealed that the MoPRS was an independent predictor of invasive BC, either as a continuous variable (hazard ratio, 1.624; 95% confidence interval, 1.266-2.082; <I>P</I> < .001) or as a categorical variable (hazard ratio, 3.089; 95% confidence interval, 1.335-7.150; <I>P</I> = .008).</P> <P><B>Conclusion</B></P> <P>The MoPRS was an independent prognostic factor for identifying patients at high risk of invasive BC in patients with pT1HG BC. This scale may help identify patients who could benefit from more aggressive therapeutic intervention such as early cystectomy.</P>