The application of RO series deoxidizer

RO series deoxidizer new actual as a aliment preservative, has its different advantages. With aliment arranged in the aforementioned container, RO series deoxidizer to blot oxygen in the alembic so the alembic was chargeless of oxygen, aliment can be preserved. However, the RO series deoxidizer actual accept to accept a abiding response, no odor and no adverse ancillary furnishings such as gas generation, but aswell adverse to bodies if eaten. RO series deoxidizer adamant as the basal raw abstracts generally, in the accepted aliment use, to advance superior and extend shelf activity of aliment in bloom aliment to anticipate the use of fat oxidation, to anticipate crumbling and advance nutrients. Abroad has been broadly acclimated in RO alternation deoxidizer wet aliment flour, wet surface, wet noodles, wet snacks, semi-products, angle and added food. Currently, RO series deoxidizer deoxidizer accession to bags, there are caps installed. Accoutrements for the bag of food, accessories is acclimated for canteen caps, cans and added containers. In contempo years, with the aliment industry and packaging improvements, RO series deoxidizer in the country added and added attention, added and added boundless applications.

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From:Catalyst chemistry

Information about Chlamydia trachomatis(CT) nucleic acid test kit (PCR-fluorescence probe method)

Chlamydia trachomatis, an astrict intracellular animal pathogen, is one of three bacterial breed in the brand Chlamydia. C. trachomatis is a gram-negative bacterium, accordingly its corpuscle bank apparatus absorb the counter-stain safranin and arise blush beneath a ablaze microscope. It can arise as either coccoid or rod shape.
The admittance bodies of Chlamydia trachomatis were aboriginal declared in 1942; the Chlamydia trachomatis abettor was aboriginal able in the yolk sacs of eggs by Professor Feifan Tang et al in 1957.
C. trachomatis includes three animal biovars:
serovars Ab, B, Ba, or C - could could cause trachoma: infection of the eyes, which can advance to blindness, and is accustomed in Africa
serovars D-K - could could cause urethritis, pelvic anarchic disease, ectopic pregnancy, neonatal pneumonia, and neonatal conjunctivitis
serovars L1, L2 and L3 - lymphogranuloma venereum (LGV).
Many, but not all, C. trachomatis strains accept an extrachromosomal plasmid.
In a abstraction appear on March 12, 2012 in Nature Genetics, advisers accept begin that Chlamydia has acquired added actively than was ahead thought. Using whole-genome sequencing, the advisers appearance that the barter of DNA amid altered strains of Chlamydia to anatomy new strains is abundant added accepted than expected.


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From:Elisa assay kits

The basic information of the Methyl isocyanoacetate

CAS no. : 39687-95-1

English name: METHYL ISOCYANOACETATE

English synonyms: Methyl isocyanoformate; METHYL ISOCYANOACETATE; Methyl 2 - isocyanoacetate; 2 - Oxo - 2 - methoxyethyl isocyanide; ISOCYANOACETIC ACID METHYL ESTER; Isocyanide (2 - Oxo - 2 - methoxyethyl); METHYL ISOCYANOACETATE, TECH., 95%; 2 - Isocyanoacetic acid methyl ester; Methyl isocyanoacetate, 95%, tech.; Acetic acid, 2 - isocyano -, Methyl ester

Chinese name: different nitrile methyl acetate

English synonyms: different cyanoacetic acid methyl ester; Different nitrile methyl acetate; Different cyano acetic acid methyl ester; 2 - different cyano acetic acid methyl ester; Acetic acid, 2 - different cyano -, methyl ester

CBNumber: CB0700977

Molecular formula: C4H5NO2

Molecular weight: 99.09

MOL File: 39687-95-1. MOL

Different nitrile methyl acetate chemical properties

Boiling point: 75-76 ° C10 mm Hg (lit.)

Density: 1.09 g/mL at 25 ° C (lit.)

Refractive index: the n20 / D 1.417 (lit.)

Flash: 193 ° F

Storage conditions: - 20 ° C

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Hepatitis B surface antigen antibody ELISA kit related presentations

Hepatitis B surface antigen (HBsAg) of hepatitis B virus coat protein itself is not contagious , but it is often accompanied by the appearance of the presence of hepatitis B virus , so it is already a sign of hepatitis B virus infection . It may be present in the blood, saliva, milk , sweat , tears , nasopharyngeal secretions , semen and vaginal secretions . Hepatitis B virus infection after 2 to 6 months, when alanine aminotransferase first 2 to 8 weeks, measured in serum positive results . Most patients with acute hepatitis B may be negative early in the course of chronic hepatitis B patients the index of sustainable positive.
One of the reasons that induced acute hepatitis B hepatitis , acute hepatitis may induce hepatitis B is mainly because when the body is infected with hepatitis B virus, the body's T-cells that attack the liver cells, and release it into the blood of the hepatitis B virus , and with specific antibodies combination makes interferon production increased.
Chronic active hepatitis, hepatitis B also induce the generation , mainly due to the defects and immune function in patients with immune disorders , making the body in hepatitis B virus replication and could easily lead to chronic infection . In addition, because the intrusion of HBV -specific liver cell membrane lipoproteins that form its own antigens , inhibition of T cell activity , leading to liver cell damage.
Induced chronic persistent hepatitis is one of the causes of hepatitis B , mainly asymptomatic HBV carriers and chronic persistent hepatitis immune dysfunction in its case of re-infection of hepatitis B virus , making the body can not produce an effective immune response the emergence of liver cell damage , and because of their own lack of hepatitis B virus carriers prion leaving can not clear the virus and showed long-term carrier state .
The four -induced hepatitis that causes severe hepatitis occurs when the patient is suffering from severe hepatitis will make the body's immune response is too strong , T cell anti-drug reaction rapidly destroyed , along with increased activity of HBV replication makes serious liver damage


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From:Elisa assay kits

Cesium stick chemical properties

Cesium is a golden yellow metal , low melting point of an active metal , easily oxidized in air and can react violently with water to produce hydrogen and explosion. Without cesium elemental form in nature , cesium salt rarely distributed in the form of land and sea . Cesium also to create a vacuum components , optical tube and other important materials . Radionuclide Cs-137 is Japan's Fukushima Daiichi nuclear power plant leaked radioactive contamination in one.
Chemical properties
Isotope Cs-137:
Biological behavior of cesium and potassium similar edible creatures containing soluble compounds of cesium-137 after 24 hours , cesium-137 can be fully absorbed by the body and combine within the cell , causing internal exposure .
Cesium-137 can be used as γ radiation source for radiation breeding, storage of food irradiation , sterilization of medical devices , as well as cancer treatment testing and other industrial equipment γ . Because the half-life of cesium source and could easily lead to a longer diffusion weaknesses , so cesium-137 source has been gradually replaced by cobalt-60 source .
March 29, 2011 , in Anhui , Guangdong, Guangxi Zhuang Autonomous Region and Ningxia Hui Autonomous Region of monitoring points aerosol sampling also detected a trace amount of artificial radionuclides cesium -137 and cesium-134 , and its concentration in 10-5 Bq / m magnitude and below . Environment, cesium-137 easily absorbed into the body , evenly distributed in the body ; due to release of cesium-137 γ -rays easily measured in vitro . Into the main body of radioactive cesium stranded soft tissue in the body , particularly in muscle , bone and fat in low concentrations ; relatively large amount of radioactive cesium ingested can cause acute and chronic injury .


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From:Metal oxide materials

What is Organic waste gas purification catalyst?

Organic waste gas purification catalyst carrier with ceramic honeycomb material, coating material unique to precious metal as the active component in the system, having a high catalytic activity, good thermal stability, long life, a small flow resistance , high strength and other characteristics. It is widely used in chemical, paint, wire, metal printing, color printing leather, pharmaceutical and urban sewage station sewer produce organic waste gas purification and deodorization treatment, in particular, can effectively purify acrylonitrile and acrylic acid plant emissions.

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From:Catalyst chemistry

Dengue Virus IgG ELISA Kit describes the relevant antibody

Dengue Virus belongs to the Flaviviridae family of a flavivirus serotype subgroup , morphology and Japanese encephalitis virus similar, but smaller, about 17 ~ 25nm, divided by 1,2,3,4 four different antigenic serotypes in different strains of the same type have different antigen . Among the most widespread type 2 , among various types of viral antigen with cross , and Japanese encephalitis virus and West Nile virus as well as some the same antigen . Virus in Aedes albopictus mosquitoes and passaged cells (C6/36 cells ) , monkey kidney, hamster kidney primary and passaged cells can proliferate and produce significant cytopathic .
Dengue virus is spread mainly through Aedes aegypti (Aedes ae-gyPti) and Aedes albopictus (Aedesalbopictus) and other media insects , causing dengue (dengue fever, DF) as well as the high morbidity and mortality rates of dengue hemorrhagic fever (dengue hemorrhagic fever, DHF) and dengue shock syndrome (dengue shock syndrome, DSS). Patients and latent infection is the major source of infection of the disease , while the jungle primate is to maintain the virus circulating in nature animal host . The heating of the patient's blood brain inoculated into naive mice can be isolated fixed .
These diseases are widely prevalent in tropical and subtropical regions , is a widely distributed , the incidence of many infectious diseases harmful to humans . In Asia , the Pacific Islands and Central and South America and many other countries have caused a serious threat. After World War II , the Japanese have had a pop. In recent years, Asia, Africa and tropical South America and sub-tropical regions the incidence of dengue virus infection in a clear upward trend . China in 1978 in Foshan, Guangdong first discovered the disease , later in the Hainan and Guangxi and other places have been found .


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From:Elisa assay kits