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Human Homovanillic acid (HVA) ELISA Kit

Human Homovanillic acid (HVA) ELISA Kit

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Product name Human Homovanillic acid (HVA) ELISA Kit
Reactivity Human
Applications ELISA
Applications notes This Human Homovanillic acid (HVA) ELISA Kit employs a two-site sandwich ELISA to quantitate HVA in samples. An antibody specific for HVA has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyHVA present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for HVA is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of HVA bound in the initial step. The color development is stopped and the intensity of the color is measured.
Detection method Colorimetric
SampleType Cell culture supernatants, Other biological fluids, Plasma, Serum
Assay type Sandwich ELISA (quantitative)
Assay duration Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person.
Alternative HVA

Product Properties

Kit components • Human Homovanillic acid microplate
• Human Homovanillic acid standard
• Human Homovanillic acid detect antibody
• Streptavidin-HRP
• Standard diluent
• Assay buffer
• HRP substrate
• Stop solution
• Wash buffer
• Plate covers
Features & Benefits Human Homovanillic acid (HVA) ELISA Kit has high sensitivity and excellent specificity for detection of Human HVA. No significant cross-reactivity or interference between Human HVA and analogues was observed.
Calibration range Please inquire
Limit of detection Please inquire
Usage notes • Do not mix components from different kit lots or use reagents beyond the kit expiration date.
• Allow all reagents to warm to room temperature for at least 30 minutes before opening.
• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.
• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
• It is recommended that all samples and standards be assayed in duplicate or triplicate.
Storage instructions The unopened kit should be stored at 2 - 8°C. After opening, please store refer to protocols.
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Homovanillic acid (HOC6H3(OCH3)CH2COOH; synonyms: 3-Methoxy-4-hydroxyphenyl acetic acid; HVA; 4-Hydroxy-3-methoxy-benzeneacetic acid; 4-Hydroxy-3-methoxyphenylacetic acid) is a major catecholamine metabolite. It is used as a reagent to detect oxidative enzymes, and is associated with dopamine levels in the brain.In psychiatry and neuroscience, brain and cerebrospinal fluid levels of HVA are measured as a marker of metabolic stress caused by 2-deoxy-D-glucose. HVA presence supports a diagnosis of neuroblastoma and malignant pheochromocytoma. An acid that is produced by the normal metabolism of dopamine and that may occur at an elevated level in urine in association with tumors of the adrenal gland. Its normal accumulation in a 24-hour collection urine sample is 15 mg.
Alternative HVA

Image & description

Fig.1. Human Homovanillic acid (HVA) Standard Curve.

Fig.1. Human Homovanillic acid (HVA) Standard Curve.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

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