19-05-2013 | Sven Heiles, Roy L. Johnston, International Journal of Quantum Chemistry, 2013

Over the past decade, there has been a significant growth in the development and application of methods for performing global optimization (GO) of cluster and nanoparticle structures using first‐principles electronic structure methods coupled to sophisticated search algorithms. This has in ...

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18-05-2013 | Shuliang Chen, Xiao Yu, Quan Lei, Lixin Ma, Deyin Guo, Journal of Cellular Biochemistry, 2013

Abstract Zinc‐Fingers and Homeoboxes Protein 1 (ZHX1) belongs to the ZF (Zinc‐Fingers) class of homeodomain transcription factors, and its function remains largely unknown. ZHX1 has been previously found to interact with the activation domain of the Nuclear Factor Y subunit A (NFYA) and ...

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18-05-2013 | Neeraja Dharmaraj, Brian J. Engel, Daniel D. Carson, Journal of Cellular Biochemistry, 2013

Abstract MUC1 is a large cell surface mucin glycoprotein that plays diverse roles in both normal and tumor cell biology. These roles include mucosal hydration and protection, inhibition of embryo implantation, protection of tumor cells from the immune system and reduction of cytotoxic ...

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17-05-2013 | Tetsuo Sakamoto, Kenji Ohishi, Shun‐ichi Hayashi, Masaaki Fujii, Surface and Interface Analysis, 2013

Aiming for the highly sensitive analysis of aromatic hydrocarbons in organic mixtures, selective ionization using an ultraviolet laser ionization technique was examined for the determination of sputtered neutral species on organic surfaces. The mass spectrum of a model mixture containing ...

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17-05-2013 | M. F. Al‐Kuhaili, S. M. A. Durrani, I. A. Bakhtiari, Surface and Interface Analysis, 2013

Zinc oxide thin films were deposited, by radio frequency magnetron sputtering, on heated and unheated substrates. The oxygen flow rate was varied during deposition, and its effects on the structural and chemical properties of the films were investigated. The films had oriented c‐axis growth ...

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17-05-2013 | Fei Nie, Min Bu, Lihong Wu, Jianbin Zheng, Luminescence, 2013

ABSTRACT Tanshinol borneol ester (DBZ), a chemical combination of danshensu and borneol, is an experimental drug that exhibits efficacious anti‐ischemic activity in animal models. In this work, an ultrasensitive chemiluminescence (CL) method for the determination of DBZ was established ...

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17-05-2013 | Wei Bian, Jing Ma, Qiaoling Liu, Yanli Wei, Yingfu Li, Chuan Dong, Shaomin Shuang, Luminescence, 2013

ABSTRACT N‐acetyl‐l‐cysteine‐capped Mn‐doped ZnS quantum dots (QDs) were prepared by hydrothermal methods. It could emit phosphorescence at 583 nm with the excitation wavelength at 315 nm. The phosphorescence intensity of QDs could be quenched dramatically by increasing the concentration ...

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17-05-2013 | Yan Sun, Xiaoan Cao, Yonghui Liu, Nijing Wang, Ruiwen He, Luminescence, 2013

ABSTRACT We present a sensitive and quick way to determine benzene, toluene and dimethylbenzene (BTEX) in air, applying a cataluminescence (CTL) sensor based on a nano‐sized composite material, γ‐Al2O3/PtO2. The factors that affect the sensor's performance were studied, including the ...

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17-05-2013 | Salma Ali Al‐Tamimi, Nawal Ahmad Alarfaj, Fatma Ahmed Aly, Amal Mohammed Al‐Mohaimeed, Luminescence, 2013

ABSTRACT A simple, rapid and highly sensitive spectrofluorimetric method was developed for determination of gemifloxacin mesylate (GFX) in tablets. The method is based on measuring the native fluorescence of GFX in isopropanol at 400 nm after excitation at 272 nm. The ...

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17-05-2013 | Ming‐Feng Xu, Hui Zhou, Chuan‐Yin Hu, Yan‐Qing Liang, Li Hu, Dong Chen, Cell Biochemistry and Function, 2013

To understand the relationship between epidermal growth factor receptor (EGFR) and axon regeneration and the mechanisms of how EGFR regulates the neuronal intrinsic regenerative ability, we evaluated the levels of mRNA and protein of EGFR、total mammalian target of rapamycin (mTOR), ...

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