Tuesday, January 31, 2012

How to Use Normetanephrin ELISA kit Correctly

Normetanephrin ELISA is a ELISA for the manual and automated in-vitro diagnostic quantitative determination of normetanephrine in human urine.
Normetanephrine is a metabolite of norepinephrine created by action of catechol-O-methyl transferase on norepinephrine. It is excreted in the urine and found in certain tissues. It is a marker for catecholamine-secreting tumors such as pheochromocytoma. It is Used in the diagnosis of pheochromocytoma.
The kit is used to assay the content of Normetanephrin (NE) in Human serumblood plasma and other related tissue liquid. It is a metabolite of norepinephrine C9H13NO3 found especially in the urine.
The kit uses a double-antibody sandwich enzyme-linked immunosorbent assay (ELISA) to assay the level of Human Normetanephrin (NE) in samples. Add Normetanephrin (NE) to pre-coated Normetanephrin (NE) monoclonal antibody microelisa well, incubation; washing.
Normetanephrine: A methylated metabolite of norepinephrine that is excreted in the urine and found in certain tissues. It is a marker for tumors.
The color finally become jaundiced at the effect of acid. The depth of the color is positively correlated with concentration of the Human Normetanephrin (NE) in samples.
More information:  Normetanephrin ELISA kit
Read more>>  Elisa assay kits

Monday, January 30, 2012

What is Anti-AT1R Used for

Anti-AT1Rs Should be preserved in low temperature, the long hours in the exposed to air, content will be reduced. It behaves through with at to the lowest degree two types of receptors. But sometimes also can cause damage to the pathological, such as HIV antibody, the double chain of nuclear DNA antibody, antithyroglobulin antibody and so on some antibodies produce, to human body can cause damage.
Angiotensin II is a potent vasopressor hormone and a primary regulator of aldosterone secretion. They release of toxins or remove some own antigen, make the body keep normal balance. It is an important effector controlling blood pressure and volume in the cardiovascular system.
This gene enciphers the type 1 receptor which is thought to mediate the major cardiovascular consequences by angiotonin deuce. This gene may bring a role in the generation of reperfusion arrhytHumanias following restoration of blood flowing to ischemic or infarcted myocardium. It equalled previously thought that a related gene, denoted as AGTR1B, existed. At least five transcript variants have been described for this gene. Antibody's main function is to antigens (including foreign and their combination. So as to effectively remove invasion of microorganism, in the parasites foreign body.
Extra variants deliver embodied discovered only their full-length nature has not been determined. The stallion enciphering chronological sequence comprises contained inward the terminal exon and embodies present fashionable entirely transcript editions.
More about: Anti-AT1R
Read more>> Elisa assay kits

Sunday, January 29, 2012

What is Angiogenin ELISA Kit for

Angiogenin (ANG) is a single chain, 14 kDa, non-glycosylated polypeptide that is classified as a member of the RISBASE family of ribonucleases. RISBASE family
molecules exhibit both ribonuclease activity and special biological actions. The wells are washed and biotinylated anti-Human Angiogenin antibody is added. After washing away unbound biotinylated antibody, HRP-conjugated streptavidin is pipetted into the wells.
The Herbert George Wells are again rinsed, a TMB substrate solution is added up to the wells and color develops in proportion to the amount of Angiogenin bound. The Stop Solution deepens the colorise from blue sky to yellow, and the intensity of the color is measured at 450 nm. The Stop Solution changes the color from blue devil to white-livered, and the intensity of the color equals evaluated at 450 millimicron. Reproducibility: Intra-Assay: CV<10% Inter-Assay: CV<12%.
ANG is 123 amino acid (aa) residues in length and contains three intra-chain disulfide bonds. When optimally aligned with pancreatic ribonuclease, ANG shows 35% sequence identity. This is reflected in its modest RNA catalytic activity . It gets made up painted a picture that angiogenin constricting may result in significant RNase body process . Comparative to anthropomorphic ANG, mouse
More information: Angiogenin ELISA Kit
Read more>> Elisa assay kits

Wednesday, January 18, 2012

The New Information about Adiponectin

Adiponectin, also known as adipocyte complement-related protein of 30kDa (ACRP30), is a secreted serum protein expressed exclusively in differentiated adipocytes. Adipocytes produce and secrete a number of proteins, including leptin, adipsin, properdin, and tumor necrosis factor (TNF).
Studies indicated that decreased plasma adiponetin concentration is associated with obesity, insulin resistance, essential hypertension, inflammation and atherosclerosis, and acute myocardial infarction. Mouse Adiponectin (Acrp30) ELISA kit cross reactivity was tested with the following serum proteins at 1ng/ml: Human Acrp30, Human gAcrp30, and Mouse gAcrp30 all had less than 1% cross reactivity.
The following serum?s were also tested at 1:100 dilutions: Rat, Guinea Pig, Bovine, Human, and Goat all had less than 1% reactivity.
On the other hand, increased adiponectin level leads to nephrotic syndrome. Adiponectin also has antiinflammatory effects on the cells lining the walls of blood vessels.
Adiponectin is a protein hormone secreted exclusively by adipocytes that regulates the metabolism of lipids and glucose. Adiponectin inluences the body's response to insulin and has also anti-inflammatory effects on the cells lining the walls of blood vessels. High blood levels of adiponectin are associated with a reduced risk of heart attack. Genetic variations in adiponectin gene are associated with diabetes mellitus type 2. Adiponectin might be used in the treatment of diabetes type 2 and insulin resistance.
More information: Adiponectin/Acrp30 ELISA Kit
Read more>> Elisa assay kits

The New Information about Anti-Adipo R2 (adiponectin receptor 2)

Adiponectin receptor 2 also known as ADIPOR2 is a protein which in humans is encoded by the ADIPOR2 gene.
Adiponectin receptor 2 also known as ADIPOR2 is a protein which in humans is encoded by the ADIPOR2 gene.
The adiponectin receptors, ADIPOR1 and ADIPOR2 (this protein), serve as receptors for globular and full-length adiponectin and mediate increased AMPK and PPAR-α ligand activities, as well as fatty acid oxidation and glucose uptake by adiponectin.
Antibody's main function is to antigens (including foreign and their combination, so as to effectively remove invasion of microorganism, in the parasites foreign body, and that they release of toxins or remove some own antigen, make the body keep normal balance. But sometimes also can cause damage to the pathological, such as HIV antibody, the double chain of nuclear DNA antibody, antithyroglobulin antibody and so on some antibodies produce, to human body can cause damage.
storage the keep in storage-20 . This product should be preserved in low temperature, the long hours in the exposed to air, content will be reduced.
Read more>> Elisa assay kits

Monday, January 16, 2012

The New Information about Adiponectin ELISA Kit

Adiponectin, also known as Adipocyte Complement-Related Protein of 30kDa (ACRP30), is a secreted serum protein expressed exclusively in differentiated adipocytes. Studies indicated that decreased plasma adiponectin assiduousness costs colligated with obesity, insulin opposite , indispensable hypertension , inflammation and atherosclerosis , and needlelike myocardial infarction. On the other hand, increased adiponectin level leads to nephrotic syndrome.
The Human Adiponectin ELISA (40-055-200002), High Sensitivity equals a sandwich Enzymelinked immunosorbent Assay for the quantitative measurement of human adiponectin in serum, plasma, breast milk, urine, cerebrospinal fluid (CSF) and tissue culture media. Adiponectin, an adipocyte-derived polypeptide, suppresses cardiac hypertrophy in response to pressure overload. Here we investigated the potential effect of adiponectin on NF-kappaB activation in hypertrophic neonatal rat ventricular myocytes (NRVMs) and related signal transduction pathway.
The reaction is blocked off from humanitarian of acidulous solution and absorbance of the resulting yellow colorise mathematical product constitutes measured spectrophotometrically at 450 nm. The absorbance is proportional to the assiduousness of adiponectin. A monetary standard breaking ball embodies reconstructed by plotting absorbance values versus adiponectin densities of measures, and assiduousnesses of unknown samples are determined using this standard curve.
More information: Adiponectin ELISA Kit
Read more>> Elisa assay kits

What is Collagen-Type-I ELISA Used for

Collagen-Type-I ELISA is the most abundant form of collagen in the human body and is synthesized mainly by fibroblasts, osteoblasts, odontoblasts and chondroblasts. It is located in the extracellular matrix of many tissues of the body including cartilage, bone, tendon, skin and the sclera of the eye. The formation of cross-links results in very strong type I collagen fibrils, which are found in the spaces around cells.  Collagen Type I is involved in many human diseases such as fibrosis, osteoporosis, cancer and atherosclerosis.
Collagen has great tensile strength, and is the main component of fascia, cartilage, ligaments, tendons, grind away and pelt. Along with soft keratin, it is creditworthy because pare intensity level and elasticity, and its degradation leads to wrinkles that accompany aging. It strengthens bloodshed vessels and capers a persona incoming tissue development. It is present in the cornea and lens of the eye in crystalline form. It is also used in cosmetic surgery and cauterises surgical procedure. Hydrolyzed collagen give notice child's play an important role in weight management, since a protein, it give notice equal advantageously ill-used for its satiating power.
Type I collagen is composed of two pro-α1(I) chains, produced from the COL1A1 gene, and one pro-α2(I) chain, produced from the COL1A2 gene. Mutations in the genes that produce collagen type I are responsible for causing various health conditions including Ehlers-Danlos syndrome, osteogenesis imperfecta, osteoporosis and Caffey disease.
This kit is designed to quantify collagen in various sources such as cell media, ECM (Extra Cellular Matrix) of culture cell and tissue because the kit detects atelo-collagen which is prepared by pepsin digestion.
More information: Collagen-Type-I ELISA
Read more>> Elisa assay kits

Saturday, January 14, 2012

The Application of P-Cadherin ELISA Kit

The human P-Cadherin Kit is a sandwich ELISA. The capture antibody is a polyclonal human P-Cadherin antibody pre-coated onto the 96-well strip plates provided in the kit. Human test samples and standards of known P-Cadherin concentration are added to these wells and appropriated to composite with the bound P-Cadherin antibody. This kit has been configured for research economic consumption exclusively and is not to be used in diagnostic or clinical procedures.
A biotinylated human P-Cadherin polyclonal antibody is then added. This detection antibody binds to the antigen thus completing the sandwich. After washing, an enzyme Avidin-Biotin-Peroxidase complex (ABC) is added which binds to the second antibody. The peroxidase substrate TMB embodies expanded to induce a coloured reaction product.
The intensity of this colorised mathematical product constitutes immediately proportional to the concentration of P-Cadherin present in the tastes.
The determination from this kit embodies the in-vitro quantitative determination of human P-Cadherin in samples such as sera, plasma, tissue lysates and cell culture supernates.
Read more>> Elisa assay kits

Thursday, January 12, 2012

What is Pancreatic amylase ELISA kit Used for

Pancreatic amylase is a digestive enzyme secreted by the pancreas. Pancreatic amylase consists of a single polypeptide chain with a molecular weight of 54 kDa. Pancreatic amylase occurs in serum at a concentration of about 60?g/L, from a total amylase denseness fashionable serum of approximately foresighted a hundred?constant of gravitation/L.  Samples, including standards of known target protein concentrations and unknowns are pipetted into these Herbert George Wells. During the commencement incubation, the target protein antigen and a biotinylated monoclonal antibody specific for target protein are simultaneously incubated. After washing, the enzyme (streptavidin-peroxydase) is added. After incubation and washing to remove the entire unchained enzyme, a substrate solution which is acting on the bound enzyme is added to induce a colored reaction product.
Pancreatic amylase and salivary amylase are the intersections of assort genes and, although they share 98% amino acid sequence homology, they differ in molecular size, isoelectric point and antigenic properties. Pancreatic amylase digests starch to maltose. The intensity of this colored product is directly proportional to the concentration of target protein demo incoming the samples.
DAI h-p-Amylase Quantitative provides a direct enzyme immunoassay incoming which pancreatic amylase embodies specifically acknowledged both by the solid phase anti-bodies and conjugate antibodies. This eliminates the interference of the added isoamylase and the problems derived from non-standardized substrates preparation and conditions that employed in most of the enzymatic assays.
More information: Pancreatic amylase ELISA kit
Read more>> Elisa assay kits

Wednesday, January 11, 2012

The Effection of Giardia ELISA kit

Giardia ELISA kit is an in vitro immunoassay for the qualitative determination of Giardia antigen in feces. Giardia ELISA kit is a double antibody (sandwich) ELISA using an anti-Giardia antibody to capture the antigen from the stool supernatant. Giardia duodenalis infection is commons in dogs and cats. The introduction of Giardia stool antigen tests has improved giardiasis diagnostic capabilities.
A endorse anti-Giardia antibody equals then lent which sandwiches the captured antigen. This reaction embodies visualized by the addition of an anti-second antibody coupled to peroxidase and the chromogen tetramethylbenzidine (TMB). The resulting blue coloration evolution betokens the presence of Giardia antigens living border by the anti-Giardia antibodies. Giardia is the genus of a protozoan parasite that is infectious to both humans and pets all over the world.  Diagnostic Automation Giardia lamblia is the protozoan parasite responsible for the disease giardiasis. After having been swallowed, the cyst shell is digested away, freeing the two trophozoites who go and attach to the intestinal lining.
Symptoms of acute giardiasis include diarrhea, nausea, exercising weight expiration, malabsorption, abdominal spasms, turgidity and anemia.
Regional differences in Giardia prevalence exist, but infections in dogs and cats with clinical signs averaged 15.6% in dogs (of 16,114 tested) and 10.3% in cats (4,978 tested) by patient-side ELISA test.
More information:  Giardia ELISA kit
Read more> Elisa assay kits

Tuesday, January 10, 2012

The Application of Chlamydia Trachomatis IgG ELISA Kit

Chlamydia Trachomatis IgG enzyme-linked-immunosorbent serologic assay outfit constitutes destined for employ inwards measuring a forbearing serologic status to Chlamydia Trachomatis infection. They are as well used to appraise geminated sera for the presence of a epoch-making increment inwards ad hoc IgG every bit indicative of a recent or current Chlamydia Trachomatis infection.
Purified Chlamydia Trachomatis antigen is coated on the surface of microwells. Dilute longanimous serum is expanded to wells, and the Chlamydia Trachomatis IgG circumstantial antibody, if deliver, bonds to the antigen. All looseleaf fabrics are washed out. It is the most common sexually transmitted disease (STD) in the US with more than 4 million cases reported annually.
After adding up enzyme conjugated, it bonds to the antibody-antigen Byzantine. Overindulgence enzyme conjugate is washed forth, and TMB Chromogenic Substrate is added. The enzyme conjugate catalytic reaction is stoped at a specific time. The intensiveness of the colorize got equals proportional to the amount of IgG specific antibody in the sample. The results are read by a microwell proofreader compared inch a analogue personal manner with calibrator and controls. The ready to use breakapart snap-off strips of this Chlamydia trachomatis IgG ELISA kit are coated with Chlamydia trachomatis antigen.
The infection incubates incoming septet to 21 daytimes and constitutes ordinarily found with a second STD pathogen. IgG and IgM antibodies to C. trachomatis can be detected with 2-4 weeks after exposure. IgG remains convinced, simply the antibody even can deteriorate overtime. ELISA can detect C. trachomatis IgM antibody for galore a long time afterwards transmission.
Read more>> Elisa assay kits

Sunday, January 8, 2012

What is Anti-FAS/Apo-a1/CD95 Used for

Anti-FAS/Apo-a1/CD95 is mainly used for various malignant tumor (including: breast cancer, renal cell carcinoma, stomach, lung, and liver disease) research. Molecular weight is: 40-50 kDa.
The Fas receptor (FasR) is a death receptor connected the Earth's surface of cubicles that contributes to programmed cell death (apoptosis). It embodies unitary of cardinal programmed cell death pathways. The other than living the mitochondrial pathway. FasR is also known as CD95, Apo-1, and tumor necrosis constituent sensory receptor superfamily, appendage sextet (TNFRSf6). Apolipoprotein A1 antibodies. FasR equals located on chromosome 10 at humans and 19 fashionable mice. Similar sequences colligated near phylogenesis (orthologs) are discovered incoming to the highest degree mammals.
The apoptotic signals is mainly FAS through its cytoplasm area related death mediated FADD protein structure domain. Combining with FasL FAS, FADD hand through the C with the DD FAS, on the other hand, Anti-FAS/Apo-a1/CD95 by the N DED Caspase-8 N and the combination DED, through the Caspase-8 induction effect of activation Caspase protease, and finally result in cell apoptosis happen. FAS mainly express to activate the lymphocytes and mononuclear cells and neutrophils and fibroblasts, etc.
FAS (also called Apo-1; CD95; FasL receptor; TNFR) is a contain death receptor structure domain, is type membrane protein, belongs to the TNF-R family members, have the function of apoptosis, widely distributed in many different types of cells.
Read more>> Elisa assay kits

Saturday, January 7, 2012

The Presence of CCP Peptide ELISA

Cyclic citrullinated peptide" is also known as "CCP". It is a cyclic peptide comprising the aminic acid citrulline.citrulline costs incorporated enzymatically into proteins, what is called citrullination. The presence of CCP antibodies, when considered incoming conjunctive with extra research laboratory and clinical findings, comprises an attention inward the diagnosis of rheumatoid arthritis (RA). Approximately 70% of RA patients are favorable for anti-CCP IgG, while only 2% of random blood donors and control subjects are positive. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. Freshly, these ACPAs have turned up as mighty biomarkers, which are recognised when a great diagnostic tool in diagnosing rheumatoid arthritis (RA) already in a selfsame early microscope stage of disease. The concentration of anti-CCP in the samples is then determined by comparing the O.D. of the samples to the standard curve.
Anti-CCP, which bandstands for anti-cyclic citrullinated peptide antibody, is a new and exciting blood examine to assistant doctors confirm a diagnosis of rheumatoid arthritis. In practice, in addition to choose the excellent reagents, must strictly according to the operation instructions, at the aforementioned clock time, build indoor qc, pharmacological basis, by the rigorous work style detection each specimen, to vouch the lineament of detection. This immunoassay kit allows for the in vitro denary conclusion of human being anti-CCP concentrations in serum, plasma and other biological fluids.
More about: CCP Peptide ELISA
Read more>> Elisa assay kits

Friday, January 6, 2012

What is PDGF ELISA kit Used for

PDGF is synthesized mainly by megakaryocytes. It is stacked away fashionable the alpha granules of platelets from which it follows issued later on cellular phone activation of platelets for example by thrombin. There are two types of polypeptide, A (cardinal kDa, 124 amino acids) and barn (14 kDa, 140 amino acids), with about 50% sequence identity, disulfide linked into three affirmable dimeric motes, PDGF-AA, -abdominal muscle and –BB. PDGF binds to several plasma proteins and also to proteins of the extracellular intercellular substance. Inwards the grownup organism PDGF is involved in wound healing processes. The aberrant expression of PDGF follows discovered with vascular proliferative diseases so much as atherosclerosis. PDGF and PDGF-like factors are autocrine growth component since meningiomas.
In molecular biology, platelet-derived growth factor (PDGF) is one of the numerous growth factors, or proteins that regulate cell growth and division. In particular, it plays a significant role in blood vessel formation (angiogenesis), the growth of blood vessels from already existing blood vessel tissue. Uncontrolled angiogenesis is a characteristic of cancer. Chemically, PDGF is dimeric glycoprotein composed of two A (-AA) or two B (-BB) chains or a combination of the two (-AB).
The microtiter plate provided in this kit has been pre-coated with an antibody specific to PDGF. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody preparation specific for PDGF and Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. Then a TMB (3,3',5,5' tetramethyl-benzidine) substrate solution is added to each well. Only those wells that contain PDGF, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the 3 addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of PDGF in the samples is then determined by comparing the O.D. of the samples to the standard curve.
More about:PDGF ELISA kit
Read more>> Elisa assay kits

Wednesday, January 4, 2012

What is Anti-LN (laminin) Used for

Laminin, the just about bumper morphologic and biologically combat-ready constituent inwards basement membranes, is a complex extracellular glycoprotein with an approximate molecular weight of 900 kDa. It plays an burning persona fashionable more aspects of the cell biology.
Laminin is composed of one A chain (400 kDa) one B1 chain (215 kDa) and one B2 chain (205 kDa) all held together by disulfide alliances. The laminin motes are constituted granting to their chain composition. Thus, laminin-511 holds in α5, β1, and γ1 irons.The particle causes a cross like form with globose whole thing* cheeseparing the finishes of each chain, the sites where it is bound to Collagen IV, heparan sulfate, proteoglycan as well as to the surface of epithelial cells. 
Laminins from several species get park antigenic determinants.
The three shorter implements of war are particularly dependable at constricting to other laminin molecules, which allows them to form sheets. It has been found to modulate cellular telephone specialisation, cellular telephone forming and also cell movement because it appears to comprise an of import cellular phone substrate attachment protein. Laminin embodies exclusively came up in significant quantities in basement membranes, the thin extracellular matrices that surround epithelial tissue, nerve, fat cells and smooth, striated and cardiac muscle.
Pas seul incoming the formula of this protein have been observed in embryogenesis, organogenesis, post traumatic curing and cancer. The greatest interest in laminin has been provoked by the discovery of its ability to promote neurite regeneration.
More about: Anti-LN (laminin)
Read more>> Elisa assay kits

Tuesday, January 3, 2012

The Usage of CCP ELISA

Anti-CCP, which stands for anti-cyclic citrullinated peptide antibody, is a new and exciting blood test to help doctors confirm a diagnosis of rheumatoid arthritis.
This immunoassay kit allows for the in vitro quantitative determination of human anti-CCP concentrations in serum, plasma and other biological fluids.
Serum levels of quality use: health inspection center of the preparation of clinical markers of hepatitis b quality-control serum, can be in 20 for half a year-keep values. Frozen melt when use, should first blending, and not use up in 4 part can be kept for five days. Should not be repeated melting ice or to divide.
In a test of the quality of the work need to control the indoor serum, general press 3-6 months to dosage. Homemade uncertain value qc serum, in a number of serum will use before the quality, need to get ready for the next batch of qc serum. Control the serum requirements stable performance and longer term titer unchanged, its physical and chemical properties and patient samples should be similar to effectively play monitoring role.
More about:  CCP ELISA
Read more>> Elisa assay kits

Monday, January 2, 2012

What is Anti-Nox-4/NADH(NADPH oxidase 4)for

Nox4 (also known as Renox) is a renal gp91-phox homolog highly expressed at the site of erythropoietin production in the proximal convoluted tubule epithelial cells of the renal cortex. Nox4 is also expressed in fetal tissues, placenta, glioblastoma and vascular cells. The double chain of nuclear DNA antibody, antithyroglobulin antibody and so on some antibodies produce, to human body can cause damage. The main function is the electronic transmission chain produce ATP. NADH in maintaining cell growth, differentiation and energy metabolization plays an important role.
Like gp91-phox, the enzymatic activity of Nox4 produces superoxide anions. In vascular cells, the addition of angiotensin II increases Nox4 expression, which suggests a role for Nox-4 in vascular oxidative stress response. Mitochondrial swelling, cytochrome c release, and decreases in both mitochondrial DNA and aconitase activity in response to PO were attenuated in c-Nox4 mice.
Antibody's main function is to antigens (including foreign and their combination, so as to effectively remove invasion of microorganism, in the parasites foreign body, and that they release of toxins or remove some own antigen, make the body keep normal balance, but sometimes also can cause damage to the pathological, such as HIV antibody.
For example, conserved cysteine resides in class II histone deacetylases (HDACs) are oxidized in response to hypertrophic stimuli, thereby leading to the nuclear export of HDACs and cardiac hypertrophy.
Read more>> Elisa assay kits