Enhancement of photocatalytic overall water splitting on H1.9K0.3La0.5Bi0.1Ta2O7 by loading Pt, Rh(oxide) as co-catalysts Wei Chen, Hui Wang, Liqun Mao, Xiaoping Chen, Wenfeng Shangguan Abstract: Pt and Rh were loaded on protonated layered pervoskite H1.9K0.3La0.5Bi0.1Ta2O7 by an in suit photodeposition method. The Rh loading facilitates the O2 evolution and the H2/O2 is close to stoichiometric ratio (≈ 2). Yet the Pt loading is unable […]
Induced Change in Gene Expression of Mitochondrial Enzymes as a Result of Intense Exercise Abstract Exercise-induced changes in gene expression of mitochondrial enzymes has become a leading target for sports medicine research. Previous indirect testing of delayed-onset muscle soreness and changes in rotation of motion do not provide a sufficient explanation of the induced changes to the genome (Hubal, et al., 2010). Biomarker testing has […]
The structures and magnetic properties: molecular nanomagnets phenolic oxime complexes GUAN Shengyang Table of Contents (Jump to) 1 Introduction 1.1 Research background 1.2 Introduction to nanomagnets 1.2.1 Single molecule magnet 1.2.2 Single Chain magnet (magnetic nanowires) 1.3 Structure of phenolic oxime and complexes 2 Researches 2.1 Iron complex 2.2 Manganese complexes 2.3 Complex containing cobalt and sodium ions 2.4 Complex containing lanthanide 3 Conclusion 4 […]
Surface Area vs. Reaction Rate How does the surface area of pure cane sugar cubes affect the rate of dissolution in water? Chandler Hultine Abstract The purpose of this lab was to investigate how surface area affects the reaction rate of a substance in a solution. This lab was put together to find out how differentiating surface areas of pure cane sugar cubes would […]
Bromothymol blue (also known as bromothymol sulfone phthalein, BTB) (Figure 2.1.1) is a pH indicator (yellow at pH 6.0 and blue at pH 7.6). Its chemical name is: 4,40-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-isopropyl-3-methylphenol (The Merck Index, 13th edition, 2007)[1]. pKa of BTB is 7.1. This dye is the most appropriate pH indicator dye in physiological tissue and also used in the investigation of the interaction of lipid with protein […]
Human cancer cell lines A549 (Lung carcinoma), MCF-7 (Breast adenocarcinoma), DU 145 (Prostate carcinoma), DLD-1 (Colorectal adenocarcinoma), FaDu (squamous cell carcinoma of pharynx) were obtained from American Type Culture Collection (ATCC), USA. These cells were cultured in DMEM supplemented with 10% FBS and antibiotic combinations in 5% CO2 humidified atmosphere at 37 0C. A colorimetric sulforhodamine B (SRB) assay was used for the measurement of […]
The crystalline state: In general, solids might be classified in crystalline or amorphous. On the one hand, the crystalline solids comprise a regular set of molecules, atoms or ions into a rigid lattice which is characteristic of each substance. Thus, most crystals are anisotropic (the cubic system is an exception), namely, depending of the direction in which their properties are measured they can change. On […]
1. Introduction Agricultural soils contaminated with heavy metals such as lead (Pb) is a threat to human health. Plants grown in contaminated soil can accumulate these metals in the shoots and roots. Metals accumulate in Living organism, especially the liver and kidneys, when these plants are used as fodder for livestock and domestic animals. Thereby enter the human food chain (Akan et al., 2010). Lead […]
Introduction Aspirin is a drug which is widely used today to deal with the symptoms of many minor illnesses ranging from general relief from aches and pain; muscle, tooth, headaches, and arthritis; to prevent blood clotting and reduce the risk of stroke and heart attack; lower fever and potentially prevent certain cancers. History of Discovery Aspirin has a great history of development which could be […]
Anna Fyodorova All elements are made of atoms which combined with each other form new atoms. They come together in large or small numbers to form very similar or very different atoms and as a result of the combination it is known as a chemical bond. Atoms linked together by bonds have different properties to the original parent atoms. There are only about 100 chemically […]
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