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TiO2 thin film with nanoporous structure are prepared from colloidal suspension containing polyethylen glycol (PEG) via Sol-Gel method. The effect of PEG addition to the precursor solution on the surface structures and photocatalytic activity of the resultant thin films are studied. The larger the amount of PEG added to to the precursor solution, the larger the size and number of pores produced in the resultant films when PEG added to the gel films decomposed completely during heat-treatment.

5p uocvong01 24-09-2015 52 4   Download

Cell-free expression has become a highly promising tool for the fast and efficient production of integral membrane proteins. The proteins can be produced as precipitates that solubilize in mild detergents usually without any prior denaturation steps. Alternatively, membrane proteins can be syn-thesized in a soluble form by adding detergents to the cell-free system.

15p dell39 27-03-2013 48 3   Download

Several lines of evidence suggest that polymerization of the amyloidb-pep-tide (Ab) into amyloid plaques is a pathogenic event in Alzheimer’s disease (AD). Abis produced from the amyloid precursor protein as the result of sequential proteolytic cleavages by b-secretase and c-secretase, and it has been suggested that these enzymes could be targets for treatment of AD.

14p media19 06-03-2013 38 3   Download

roductoin managers perform the classic functions of management: planning, organizing, directing, and controlling. They also have to keep up with changing technology, monitor costs, and meet budgets. The five most common are inadequate planning and preparation, production, prepass and printing, and distribution. There are four important concepts when selecting type: readability, appropriateness, harmony or appearance, and emphasis. A key is copy casting, knowing ow to fit type into a particular space in a layout....

18p camnhung_1 07-12-2012 84 3   Download

Islet transplantation provides a promising cure for Type 1 diabetes; however it is limited by a shortage of pancreas donors. Bone marrow-derived multipotent mesenchymal stem cells (MSCs) offer renewable cells for generating insulin-producing cells (IPCs). Methods: We used a four-stage differentiation protocol, containing neuronal differentiation and IPC-conversion stages, and combined with pellet suspension culture to induce IPC differentiation.

10p toshiba23 18-11-2011 49 1   Download

[ Team LiB ] Recipe 4.1 Using Auto-Incrementing Columns Without Causing Conflicts Problem You want to use an AutoIncrement column in a table without producing values that may be duplicated in records added by other users. Solution Use the AutoIncrementSeed and AutoIncrementStep properties of the AutoIncrement column.

3p luvpro 04-08-2010 72 4   Download