Mannheim, Germany (PRWEB) February 27, 2012
ScienceIndex.com is a Web 2.0 sciences social network established in 1998 to index the very latest news, headlines, references and resources from science journals, books and websites worldwide. The site covers news in all fields of biology, business, chemistry, engineering, geography, health, mathematics and society. In the field of Chemistry, the site has now included the three new categories Biochemistry, Food and Inorganics. While the Biochemistry category covers the chemical substances and vital processes in living organisms, the Food category covers production of materials of plant or animal origin, that are ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life, and the Inorganics category covers chemical reactions and properties of all elements in the periodic table and their compounds, except element carbon.
ScienceIndex.com's Chemistry Sciences Category covers the composition, structure, properties, and reactions of substances. Its seven subsections include Biochemistry, Food, Inorganics, Materials, Organics, Physics and Toxicology.
ScienceIndex.com's Biochemistry Sciences Category covers covers the chemical substances and vital processes in living organisms. It currently contains over 18,500 articles partly derived from over 40 scientific journals. One of the latest additions covers novel oxidative stress transcription factor. Hypochlorite is a powerful oxidant produced by neutrophils to kill invading microorganisms. Despite this important physiological role of hypochlorite in fighting bacterial infections, no hypochlorite-specific stress response has been identified yet. The authors identified a hypochlorite-responsive transcription factor, YjiE, which is conserved in proteobacteria and eukaryotes. To their knowledge, YjiE is the first described hypochlorite-specific transcription factor specifically conferring hypochlorite resistance to E. coli cells.
ScienceIndex.com's Food Sciences category covers production of materials of plant or animal origin, that are ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life. It currently contains nearly 11,800 articles partly derived from almost 50 scientific journals. One recently included article in this category covers a review of osmotic dehydration of fruits and vegetables. Osmotic dehydration is one of the best and suitable method to increase the shelf life of fruits and vegetables since this process retains vitamin and minerals, color, flavor and taste in fruits and vegetables. The authors review different methods, treatments, optimization and effects of osmotic dehydration. Their results show that combination of different osmotic agents are more effective than sucrose alone due to combination of properties of solutes.
ScienceIndex.com's Inorganics Sciences Category covers chemical reactions and properties of all elements in the periodic table and their compounds, except element carbon. It currently contains nearly 6,200 articles partly derived from over 40 scientific journals. One of the latest additions characterizes work hardening mechanisms in Fe–Mn based TWIP steels. When strained in tension, high-manganese austenitic twinning induced plasticity (TWIP) steels achieve very high strength and elongation before necking. The authors show that the Fe–Mn–C grade exhibits the best properties, together with a Portevin–Le Châtelier effect which could result in supplementary hardening. Furthermore, TEM analyses show that twins in the Fe–Mn–C steel are thinner and without dislocation activity, which could lead to a composite effect and increase the work hardening.
ScienceIndex.com currently contains over 1.38 million stories distributed among 75 categories. 75,291 users monitor nearly 8,400 journals covering the broad spectrum of sciences. They share circa 2,500 new articles every day. Since new science content is discovered in real-time, the delay between original publication and appearance at ScienceIndex.com is no more than two days. ScienceIndex.com provides an advanced search feature which suggests up to ten closely related articles for a search and also for a selected story. Other features include a "Life Traffic Feed", a "Top Content" sidebar, Google Translate functionality, and RSS feeds for every category. ScienceIndex.com also maintains the new Twitter account @ScienceIndex_ .