Wednesday 22 January 2014

A brief introduction N-Boc-1,6-hexanediamine



English name N-tert-Butoxycarbonyl-1 ,6-hexanediamine
Also known as  N-Boc-1,6-hexanediamine ; tert-Butyl N-(6-aminohexyl) carbamate
Formula C11H24N2O2
Molecular weight of 216.32
CAS Registry Number 51857-17-1
Density 0.965
Boiling point 106-110 º C (0.3 mmHg)
Refractive index 1.459-1.461
Flash point of 125 º C

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From:pharmaceutical chemicals

Thursday 16 January 2014

Purpose and harm of Molybdenum sulfate




Main use: Molybdenum sulfate used in catalysts, analytical reagent, ceramic glaze, paint dryer and cobalt plating, etc. Cobalt used in electroplating, batteries, cobalt pigments, ceramic, enamel, glazed and used as a catalyst, foam stabilizer, drier, and so on.
This product is dust in the eyes, nose, respiratory tract, and may stimulate the gastrointestinal mucosa. Cause coughing, vomiting, abdominal cramps, temperature rise, leg weakness, etc. Skin contact may cause allergic dermatitis, contact dermatitis. Environmental hazards: may have harm to the environment, the water can cause pollution. Combustion hazard: this product non-combustible, toxic, stimulative.


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From:Chemical Reagent

Monday 13 January 2014

A brief introduction Human homocysteine Elisa Kit




Hyperhomocysteinemia has been appear as one of the accident factors for vascular damage. Homocysteine induces endoplasmic cloth (ER) accent in vascular endothelial cells, which is followed by assembly of homocysteine-induced ER protein (Herp). Herp has been anticipation to accept a careful role adjoin ER accent and inhibition of apoptosis, but the data are still obscure. To ascertain Herp protein precisely, we accustomed a murine hybridoma carbon bearing an anti-human Herp monoclonal antibiotic (mAb), called HT2. The specific bounden of HT2 mAb to Herp was accepted by enzyme-linked immunosorbent appraisal (ELISA) and Western blemish analysis. In ELISA, HT2 mAb was able to bind to Herp in a dose-dependent manner, and its bounden was disconnected by recombinant Herp. In Western blemish analysis, a 54-kDa bandage agnate to Herp was detected with HT2 mAb in the film atom of basic HeLa cells, and its announcement was appreciably added in ER-stressed HeLa beef that had been advised with homocysteine, thapsigargin, or 2-mercaptoethanol. Importantly, the arresting was alone by assimilation of HT2 mAb with recombinant Herp above-mentioned to evolution with the blotted membrane. Immunofluorescence microscopy appear that HT2 mAb decrepit the perinuclear cytoplasm of ER-stressed HeLa cells, which was agnate to the staining arrangement with anti-KDEL (Lys-Asp-Glu-Leu) mAb that recognizes the ER. In contrast, basic HeLa beef were abominably decrepit with HT2 mAb. Thus, the HT2 mAb is advantageous in the quantitative and/or qualitative apprehension of Herp and to abstraction the role of Herp at a array of dissection states.
More about:Human homocysteine Elisa Kit manufacturer
From:Natural herbal extracts

Thursday 9 January 2014

What is Medazepam?





Medazepam is a biologic that is a benzodiazepine derivative. It possesses anxiolytic, anticonvulsant, sedative, and ashen beef relaxant properties.
It is accepted by the afterward cast names: Nobrium, Rudotel, Raporan, Ansilan and Mezapam.Medazepam is a long-acting benzodiazepine drug. The half-life of medazepam is 36 – 200 hours.
Benzodiazepine drugs including medazepam access the inhibitory processes in the bookish case by allosteric accentuation of the GABA receptor.Benzodiazepines may aswell act via micromolar benzodiazepine-binding sites as Ca2+ approach blockers and decidedly inhibited depolarization-sensitive calcium uptake in abstracts with corpuscle apparatus from rat brains. This has been accepted as a apparatus for top dosage furnishings adjoin seizures in a study.It has above alive benzodiazepine metabolites, which gives it a added abiding ameliorative furnishings afterwards administration.


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From:Natural herbal extracts

Wednesday 8 January 2014

A brief introduction HPA(KMK) Catalysts


In esterification of oleic acerbic with booze at 25 °C HPA displayed the accomplished activity. Moreover the HPA could be reused afterwards getting adapted into its cesium salt. In the acknowledgment of etherification of glycerol HPA and Amberlyst 35W showed agnate antecedent action levels. The after-effects of acerbic backdrop authenticate that HPA is a able protonic acerbic and that both apparent and aggregate protons accord to the acidity. Because of its able affection for arctic compounds, HPA is aswell acutely attenuated in both oleic acerbic and methanol. The acknowledgment in this case gain with the agitator in the akin phase. 

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From:Chemical Catalysts

Tuesday 7 January 2014

The introduction of the CEA ELISA Kit


CEA is first found in colon cancer patients serum globulin, the fetus of 3-6 months can be detected in serum, so called carcinoembryonic antigen. The colorectal cancer tissue can produce a kind of glycoprotein, as antigen by the patient's immune response. This kind of antigen, called carcinoembryonic antigen (carcino - embryonic antigen CEA), which can be widely exists in the origin of the germ layer within the digestive system cancer, also exist in the embryonic normal digestive tube in the organization, trace can also exist in normal human serum.

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From:Elisa assay kits