In this work, gelatin was crosslinked with oxidized alginate in the presence of borax yielding a hybrid biohydrogel system with the ability to self-repair upon mechanical damage. A judicious balance between concentration, stoichiometric ratio of the two biopolymers and gelatin source was found necessary to achieve optimal self-healing properties of these biohydrogels. The pH was found to have a...

In order to obtain the bulk brick like samples, the mixture of steel slag, and sintering aid additive (like dolomite, glass, perlite, borax and phosphate sodium) were sintered at 1100°C for 2 minute. The flat and bloated surface appearances were obtained. The bulk densities of final sintered composites were from 1.3 to 2.41 g/cm3 and total porosities were from 15 to 40%. The bending strengths v...

The white enamel surfaces of ten Chinese painted enamels dating to the Qianlong and Jiaqing periods (1736–1820) were studied with Laser Ablation Inductively Coupled Mass Spectrometry (LA-ICPMS). These are opacified lead arsenate, a dramatic change in technology from fluorite stannite opacification used European before 18th century. primary goal this project was test hypothesis that boron is sig...

some chemicals used by human such as food additives are mutagenic and mutagenicity effects analysis of them is very important because of considerable consumption by man. one of the most common methods used in the recognition of the chemicals' mutagenicity is salmonella typhimurium reverse mutation (ames) test. the purpose of the present study is mutagenicity effects analysis of sodium nitrite, ...

Following a brief overview of the terrestrial distribution of boron in rocks, soil, and water, the history of the discovery, early utilization, and geologic origin of borate minerals is summarized. Modern uses of borate-mineral concentrates, borax, boric acid, and other refined products include glass, fiberglass, washing products, alloys and metals, fertilizers, wood treatments, insecticides, a...

A capillary electrophoresis method has been established for the determination of triptonide and triptolide in Multi-glycosides Tripterygium wilfordii tablets. Capillary separation was carried out by using 0.01mol L borax + 0.02 mol L boric acid + 0.02 mol L SDS (pH = 8.0) as the buffer, a fused – silica capillary tube column (60.2 cm × 75μm id. 52.6 cm of effective length) as the separation cha...

In this study, investigation of the combustion properties Oriental beech wood (Fagus orientalis Lipsky) impregnated with boron compound (borax (Na2B4O710H2O), boric acid (H3BO3) doped rosin (C19H29COOH) was aimed. For purpose, samples were prepared according to ASTM E 160-50 and by method medium-term dipping (24 hours) D 1413 producers’ definition. Combustion after process determined 160-50. As...

Important features required for gels used the cleaning of paintings are viscoelastic properties ensuring good adaptability to morphology surfaces and complete gel removal after application. Poly (vinyl alcohol) (PVA)-borax containing different liquid phases often as materials, but still little is known about their ability leave no residues. This study reports development an analytical method ba...

This study examined work-related chronic abnormality in pulmonary function and work-related acute irritant symptoms associated with exposure to borate dust in mining and processing operations. Chronic effects were examined by pulmonary function at the beginning and end of a 7-year interval. Time-specific estimates of sodium borate particulate exposures were used to estimate cumulative exposure ...

Background: Food safety and quality studied by BPOM Indonesia in 2008-2011 showed that around 48% of hazardous substances are found snacks elementary school children. Throughout 2012, this percentage increased to 66.7%. Cases chemical contamination still frequently the use additives such as formaldehyde, borax rhodamine B. Lack supervision education children causes possibility consuming dangero...