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Wednesday, January 22, 2014
Information about 2-(4-Methoxyphenyl)-1,3-thiazole-4-carbaldehyde
Chemical Name: 2-(4-Methoxyphenyl)-1,3-thiazole-4-carbaldehyde
English Synonyms: 2 - (4-METHOXYPHENYL) -1,3-THIAZOLE-4-CARBALDEHYDE; 2 - (4-METHOXY-PHENYL)-THIAZOLE-4-CARBALDEHYDE; 4-Thiazolecarboxaldehyde, 2 - (4-methoxyphenyl) -
CAS No.: 174006-71-4
Formula: C11H9NO2S
Molecular Weight: 219.26
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From:Fluorides
Sunday, January 12, 2014
The introduction of the 1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid
English name 1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid; Pyrrolidine-1 ,3-dicarboxylic acid 1-tert-butyl ester
Formula C10H17NO4
Molecular weight of 215.25
CAS Registry Number 59378-75-5
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From:pharmaceutical chemicals
Thursday, January 9, 2014
The structure of the Activated charcoal
Activated carbon is a porous solid carbon black. Early from wood, hard shells or animal bones made by carbonization and activation, such as by switching from coal crushing, forming or with uniform grain by carbonization and activation of coal production. Main ingredients for carbon, and contain a small amount of oxygen, hydrogen, sulfur, nitrogen, chlorine and other elements. Common active carbon, the specific surface area of between 500 ~ 1700 m2 / g. Has a strong adsorption performance, for the purpose of an industrial adsorbent.
Activated carbon with microcrystalline structure. The arrangement of basic microcrystalline is completely irregular. Microcrystalline height is 0.9 ~ 1.2 nm; Width (if it is circular cross section for the diameter) is about 2.0 ~ 2.3 nm. Its size is often due to the high temperature treatment significantly increased. Usually, the activated carbon is produced by the activation process of microporous, transition hole or holes. According to the international union of pure and applied chemistry (IUPAC 1972) regulation, microporous effective radius less than 2 nm. The effective radius transition hole in 2 ~ 50 nm range; Macroporous effective radius than 50 nm.
More about:Activated charcoal salesFrom:Metal Cleaning Agent
Wednesday, January 8, 2014
Information about IGF2-R ELISA Kit
The multifunctional advance agency mannose-6-phosphate/insulin-like advance agency 2 receptor (M6P/IGF2-R) binds proteins administration M6P signals, including cathepsins and IGF2. It is complex in targeting anew actinic mannose-6-phosphorylated lysosomal enzymes, activating transforming advance agency β (TGFβ), and neutralising the mitogen IGF2 by alteration it to lysosomes. The M6P/IGF2-R was proposed as getting coded by a bump suppressor gene. We abstinent gene announcement at the protein akin by quantitative immunohistochemistry, application craven top affection IgY antibodies directed adjoin animal M6P/IGF2-R. Craven immunization was performed with animal antiseptic M6P/IGF2-R, and IgY antibodies were extracted from egg yolk by polyethylene glycol precipitation method. The biosensor appraisal showed that IgY antibodies bind M6P/IGF2-R with top affection (Kd = 7.5 nM). Quantitative immunohistochemical studies in sections from invasive breast blight and ductal blight in situ (DCIS) adumbrated assorted levels (from 5 to 400 units) of the M6P/IGF2-R protein, which did not associate with bump size, histological grade, estrogen and progesterone receptors. Moreover, the M6P/IGF2-R akin was added in DCIS about to adjoining accustomed tissue (p < 0.005) and again decreased in invasive blight compared with DCIS (p < 0.02). The antecedent of bump suppressor gene is not accurate by these studies. However, it is not afar for a baby admeasurement of the tumors. Its appraisal ability advice to accompaniment the cathepsin D appraisal to adumbrate breast blight cast and physiopathology.
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From:Elisa assay kits
Monday, January 6, 2014
Identification of Nordihydroguaiaretic acid test
Solubility Nordihydroguaiaretic acid soluble in ethanol and ethyl ether, soluble in 116 ℃ propylene glycol. According to the OT - 42 method determination.
Determination of melting point 184 ℃, according to the conventional method.
Take ferric chloride ethanol solution (TS - 102) 12 ml and 2, 2 pyridine test solution (TS - 41) 2 ml, add 50% ethanol solution containing 0.5% sample 5 ml, should be dark fuchsia.
Take a sample liquid 5 ml 75% ethanol, 1% with concentrated ammonia solution (TS - 13) 1 ml, should be yellow.
Take sample liquid 10 ml 50% ethanol, 0.5% and 1% barium hydroxide [Ba (OH) 2? H2O3 boiling liquid 1.5 ml. Should be dark blue, and can keep about 1 h.
Take 10% sodium hydroxide 10 ml, add 0.5% sample
More about:Nordihydroguaiaretic acid Sales
From:pharmaceutical chemicals
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