Wednesday, January 8, 2014
about Estradiol
Estradiol is a sex hormone. Estradiol is the predominant sex hormone present in females; however, it is present in males, although at lower levels, as well. It represents the major estrogen in humans. Estradiol has not only a critical impact on reproductive and sexual functioning, but also affects other organs including the bones.
During the reproductive years, most estradiol in women is produced by the granulosa cells of the ovaries by the aromatization of androstenedione to estrone, followed by conversion of estrone to estradiol by 17β-hydroxysteroid dehydrogenase. Smaller amounts of estradiol are also produced by the adrenal cortex, and (in men), by the testes.
Estradiol is not produced in the gonads only: In both sexes, testosterone is converted by aromatization to estradiol. In particular, fat cells produce active precursors to estradiol, and will continue to do so even after menopause.
Estradiol is also produced in the brain and in arterial walls, though it cannot be readily transferred from the circulatory system into the brain. However, as one of the two active metabolites of testosterone in males , it can be produced from this hormone within the brain.
CAS:50-28-2
Specification:96 hole/box
Molecular Formula: C18H24O2
Molecular Weight: 272.38 g/mol
Tuesday, January 7, 2014
What is Graphite oxide
Graphite oxide, formerly called graphitic oxide or graphitic acid, is a compound of carbon, oxygen, and hydrogen in variable ratios, obtained by treating graphite with strong oxidizers. The maximally oxidized bulk product is a yellow solid with C:O ratio between 2.1 and 2.9, that retains the layer structure of graphite but with a much larger and irregular spacing.
Graphite oxide has attracted much interest recently as a possible route for the large-scale production and manipulation of graphene, a material with extraordinary electronic properties. Graphite oxide itself is an insulator,almost a semiconductor, with differential conductivity between 1 and 5×10−3 S/cm at a bias voltage of 10 V. However, being hydrophilic, graphite oxide disperses readily in water, breaking up into macroscopic flakes, mostly one layer thick. Chemical reduction of these flakes would yield a suspension of graphene flakes. It was argued that the first experimental observation of graphene was reported by Hanns-Peter Boehm in 1962. In this early work the existence of monolayer reduced graphene oxide flakes was demonstrated. The contribution of Boehm was recently acknowledged by Andre Geim, the Nobel Prize winner for graphene research.
More about Graphite oxide.
About SAPO-34
SAPO-34 molecular sieve zeolite-type crystal structure similar to diamond, are holes zeolite, has a special water absorption and proton acidity. Can be used as absorbent, catalyst and catalyst support for the conversion of light olefins, automobile exhaust, MTO reactions.
Crystal structure of SAPO-34, which is a micro pore zeolite, is similar to chabazite, have special water absorbing capacity and bronsted acidity. So this type could be used as adsorbent, catalyst and catalyst support in low carbon olefin transfer, auto gas purification, MTO reactions, etc
Storage: in dry, ventilated storage and not open storage.
Appearance: white powder.
More about SAPO-34
Monday, January 6, 2014
Information about Baclofen
Baclofen is a derivative of gamma-aminobutyric acid primarily used to treat spasticity.Baclofen is widely used for the treatment of spastic movement disorders, especially in instances of spinal cord injury, spastic diplegia, Ataxia multiple sclerosis, amyotrophic lateral sclerosis , Peripheral neuropathy and trigeminal and glossopharyngeal neuralgias.
Baclofen is an oral and injectable medication that relaxes skeletal muscles, the muscles that move the skeleton (and also called striated muscle). Chemically, baclofen is related to gamma-aminobutyric acid (GABA), a naturally-occurring neurotransmitter in the brain. Neurotransmitters are chemicals that nerves use to communicate with one another. GABA released by some nerves causes the activity of other nerves to decrease.
CAS : 1134-47-0
Molecular Formula : C10H12ClNO2
Formula Weight : 213.66
what is Ferulic acid ?
Ferulic acid is a hydroxycinnamic acid, a type of organic compound. It is an abundant phenolic phytochemical found in plant cell wall components such as arabinoxylans as covalent side chains. It is related to trans-cinnamic acid. As a component of lignin, ferulic acid is a precursor in the manufacture of other aromatic compounds.
Ferulic acid is found in the seeds of coffee, apple, artichoke, peanut, and orange, as well as in both seeds and cell walls of commelinid plants (such as rice, wheat, oats, the Chinese water chestnut (Eleocharis dulcis) and pineapple).
In cereals, ferulic acid is localized in the bran the hard outer layer of grain. In wheat, phenolic compounds are mainly found in the form of insoluble bound ferulic acid and be relevant to resistance to wheat fungal diseases. The highest known concentration of ferulic acid glucoside has been found in flax seed (4.1 +/- 0.2 g
). It is also found in barley grain.
Asterid Eudicot plants can also produce ferulic acid. The tea brewed from the leaves of yacón (Smallanthus sonchifolius), a traditionally grown in the Northern and Central Andes, contains quantities of ferulic acid, as well as the tea brewed from the European centaury (Centaurium erythraea), a plant used as a medical herb in many parts of Europe. In legumes, the white bean variety navy bean is the richest source of ferulic acid among the common bean (Phaseolus vulgaris) varieties .
Ferulic acid is found in the seeds of coffee, apple, artichoke, peanut, and orange, as well as in both seeds and cell walls of commelinid plants (such as rice, wheat, oats, the Chinese water chestnut (Eleocharis dulcis) and pineapple).
In cereals, ferulic acid is localized in the bran the hard outer layer of grain. In wheat, phenolic compounds are mainly found in the form of insoluble bound ferulic acid and be relevant to resistance to wheat fungal diseases. The highest known concentration of ferulic acid glucoside has been found in flax seed (4.1 +/- 0.2 g
). It is also found in barley grain.Asterid Eudicot plants can also produce ferulic acid. The tea brewed from the leaves of yacón (Smallanthus sonchifolius), a traditionally grown in the Northern and Central Andes, contains quantities of ferulic acid, as well as the tea brewed from the European centaury (Centaurium erythraea), a plant used as a medical herb in many parts of Europe. In legumes, the white bean variety navy bean is the richest source of ferulic acid among the common bean (Phaseolus vulgaris) varieties .
CAS:1135-24-6
Molecular formula:C10H10O4
Molecular weight:194.18
More about Ferulic acid .
Sunday, January 5, 2014
About Interferon beta
Interferon beta is a protein that in humans is encoded by the IFNB1 gene. It is a recombinant protein with antiviral, antibacterial, and anticancer properties.
Interferon beta balances the expression of pro- and anti-inflammatory agents in the brain, and reduces the number of inflammatory cells that cross the blood brain barrier.Overall, therapy with interferon beta leads to a reduction of neuron inflammation. Moreover,Interferon beta is also thought to increase the production of nerve growth factor and consequently improve neuronal survival.
Antigen: Interferon beta (IFN-beta)
Reactivity: Human
Host: Rabbit
Clonality: Polyclonal
more about Interferon beta .
About Testosterone-Decanoate
The side-effects of Testosterone-Decanoate will be the same as all testosterone compounds; after all, testosterone is the same hormone regardless of the ester attached. As this is the case, the side-effects of Testosterone-Decanoate will largely surround its strong aromatizing nature; aromatization referring to the conversion of testosterone into estrogen. As estrogen levels increase, if they get too high this can lead to some of the most commonly associated anabolic steroidal side-effects on earth, but thankfully there is hope. Testosterone is one of the best steroids on earth for healthy adult men; not only because of the benefits, but equally important is its high level of toleration; that alone is a massive benefit.
Catalog No: 3B3-004632
CAS No: 5721-91-5
Molecular Formula: C29H46O3
Molecular Weight: 442.67
Buy Testosterone-Decanoate
Catalog No: 3B3-004632
CAS No: 5721-91-5
Molecular Formula: C29H46O3
Molecular Weight: 442.67
Buy Testosterone-Decanoate
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