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Human Albumin ELISA kit is a sandwich ELISA used to quantify human albumin (ALB) with a sensitivity of 0.79 ng/mL

- Broad sample compatibility – works with urine, saliva, milk, cerebrospinal fluid (CSF), cell culture supernatants, cell lysates, and tissue samples
- Wide dynamic range – Detects albumin levels from 3.125–200 ng/mL
- Efficient assay process – Total assay time of approximately 3 hours
- Comprehensive kit components: Includes pre-coated 96-well microplate


Images

ELISA - Human Albumin ELISA Kit (AB108788), expandable thumbnail
  • ELISA - Human Albumin ELISA Kit (AB108788), expandable thumbnail
  • Sandwich ELISA - Human Albumin ELISA Kit (AB108788), expandable thumbnail

Publications

Key facts

Detection method
Colorimetric
Sample types
Tissue, Cerebral Spinal Fluid, Saliva, Urine, Cell culture supernatant, Milk, Cell Lysate
Assay type
Sandwich (quantitative)
Reactive species
Human
Range
3.125 - 200 ng/mL
Assay time
3h
Sensitivity
= 0.79 ng/mL

Reactivity data

Application
sELISA
Reactivity
Reacts
Dilution info
-
Notes

-

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Target data

Function

Binds water, Ca(2+), Na(+), K(+), fatty acids, hormones, bilirubin and drugs (Probable). Its main function is the regulation of the colloidal osmotic pressure of blood (Probable). Major zinc transporter in plasma, typically binds about 80% of all plasma zinc (PubMed:19021548). Major calcium and magnesium transporter in plasma, binds approximately 45% of circulating calcium and magnesium in plasma (By similarity). Potentially has more than two calcium-binding sites and might additionally bind calcium in a non-specific manner (By similarity). The shared binding site between zinc and calcium at residue Asp-273 suggests a crosstalk between zinc and calcium transport in the blood (By similarity). The rank order of affinity is zinc > calcium > magnesium (By similarity). Binds to the bacterial siderophore enterobactin and inhibits enterobactin-mediated iron uptake of E.coli from ferric transferrin, and may thereby limit the utilization of iron and growth of enteric bacteria such as E.coli (PubMed:6234017). Does not prevent iron uptake by the bacterial siderophore aerobactin (PubMed:6234017).

Alternative names

What's included?

1 x 96 Tests
Components
100X Streptavidin-Peroxidase Conjugate
1 x 80 µL
10X Diluent N Concentrate
1 x 30 mL
20X Wash Buffer Concentrate
2 x 30 mL
25X Biotinylated Human Albumin Antibody
1 x 200 µL
Albumin Microplate (12 x 8 well strips)
1 x 1 Unit
Albumin Standard
1 x 1 Vial
Chromogen Substrate
1 x 7 mL
Sealing Tapes
3 x 1 Unit
Stop Solution
1 x 11 mL

Recommended products

Human Albumin ELISA kit is a sandwich ELISA used to quantify human albumin (ALB) with a sensitivity of 0.79 ng/mL

- Broad sample compatibility – works with urine, saliva, milk, cerebrospinal fluid (CSF), cell culture supernatants, cell lysates, and tissue samples
- Wide dynamic range – Detects albumin levels from 3.125–200 ng/mL
- Efficient assay process – Total assay time of approximately 3 hours
- Comprehensive kit components: Includes pre-coated 96-well microplate

Key facts

Detection method
Colorimetric
Sample types
Tissue, Cerebral Spinal Fluid, Saliva, Urine, Cell culture supernatant, Milk, Cell Lysate
Assay type
Sandwich (quantitative)
Reactive species
Human
Range
3.125 - 200 ng/mL
Assay time
3h
Assay Platform
Microplate
Sensitivity
= 0.79 ng/mL
General recovery
99%

Precision

Intra assay

Sample
Overall
n
0
C.V.
5.9

Inter assay

Sample
Overall
n
0
C.V.
10.4

Storage

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
Multi
Storage information
Please refer to protocols

Notes

Human Albumin ELISA Kit ab108788 is a sandwich ELISA to measure Human Albumin (ALB) in Tissue, Cerebral Spinal Fluid (CSF), Saliva, Urine, Cell culture supernatant, Milk, Cell Lysate with a sensitivity of 0.79 ng/mL.

How the assay works

An albumin specific antibody has been precoated onto 96-well plates and blocked. Standards or test samples are added to the wells and subsequently an albumin specific biotinylated detection antibody is added and then followed by washing with wash buffer. Avidin-Biotin-Peroxidase Complex is added and unbound conjugates are washed away with wash buffer. TMB is then used to visualize HRP enzymatic reaction. TMB is catalyzed by HRP to produce a blue color product that changes into yellow after adding acidic stop solution. The density of yellow coloration is directly proportional to the amount of albumin captured in plate.

Human Albumin ELISA Kit ab108788 protocol summary

1. Add samples or standards to the wells
2. Incubate for 1 hour then wash
3. Add biotinylated detector antibody
4. Incubate for 30 min then wash
5. Add the SP-conjugate
6. Incubate for 30 min then wash
7. Add the chromogen substrate
8. Incubate for 25 min
9. Add stop solution and read at 450 nm

How other researchers are using Human Albumin ELISA kit ab108788

The Human Albumin ELISA kit ab108788 has been used in publications to assess therapeutic effects of adipose-derived stem cells on acute liver failure (1), effects of GP130 signaling in liver stenosis(2), and potential therapeutic targets for diabetic nephropathy (3).

References:

(1)Xiaoyan Zhang et al. 2023, PMID: 37078751,
(2)Zhe Li et al. 2023 PMID: 37058568,
(3)Liyu He et al. 2022, PMID: 35813614

Get results in 90 minutes our SimpleStep ELISA® kit:

- Human Albumin ELISA Kit Human Albumin ELISA Kit ab179887

Related and recommended products

Human Albumin ELISA kit ab108788 is commonly used by researchers to measure liver or kidney function.

Liver function ELISA assays include Human ALT ELISA kit Human ALT ELISA Kit ab234578 and Human AST ELISA Kit Human AST ELISA Kit (Aspartate Aminotransferase) ab263881

These ELISA kits are also available for Mouse/Rat:

- Mouse Albumin ELISA kit Mouse Albumin ELISA Kit ab207620
- Mouse ALT ELISA kit Mouse ALT ELISA Kit ab282882
- Mouse AST ELISA kit Mouse AST ELISA Kit (Aspartate Aminotransferase) ab263882
- Rat Albumin ELISA kit Rat Albumin ELISA Kit ab235642
- Rat ALT ELISA kit abab234579
- Rat AST ELISA kit Rat AST ELISA Kit (Aspartate Aminotransferase) ab263883

Kidney function marker assays include:

- Creatinine Assay Kit Creatinine Assay Kit ab65340 – suitable for use as a serum creatinine assay and a urine creatinine assay.
- Albumin (BCG) Assay Kit (Colorimetric) Albumin (BCG) Assay Kit (Colorimetric) ab235628 – suitable for use with serum
- Urea Assay Kit Urea Assay Kit ab83362 – suitable for use with serum/plasma and urine, and used as a blood urea nitrogen assay.

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

Albumin also known as ALB is a major plasma protein with a molecular mass of approximately 66.5 kDa. It predominantly gets synthesized in the liver and found abundantly in blood plasma. Albumin serves multiple functions including maintaining osmotic pressure and acting as a carrier protein for various endogenous substances like hormones fatty acids and bilirubin.

Biological function summary

Albumin plays a critical role in transporting small molecules like metabolites and drugs through the circulatory system. It is not a part of any complex but functions independently to bind transport and release various ligands. Albumin's affinity for hydrophobic molecules makes it essential for they to be solubilized in blood for proper metabolism and excretion.

Pathways

More than five binding sites on albumin facilitate its role in the fatty acid metabolism and renin-angiotensin system pathways. In fatty acid metabolism albumin interacts with transport proteins carrying fatty acids to tissues for energy production. Additionally during the renin-angiotensin system albumin modulates blood pressure through its interaction with angiotensin II which can influence vasoconstriction.

Associated diseases and disorders

Researchers link albumin with nephrotic syndrome and liver cirrhosis. In nephrotic syndrome low levels of albumin (albumin low) can cause edema due to imbalanced osmotic pressure. In liver cirrhosis a reduction in albumin synthesis signifies liver damage. Albumin's interaction with proteins like angiotensin II correlates with complications such as hypertension further establishing the protein's role in health and disease contexts.

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3 product images

  • ELISA - Human Albumin ELISA Kit (ab108788), expandable thumbnail

    ELISA - Human Albumin ELISA Kit (ab108788)

    Standard curve with background signal subtracted (duplicates; +/- SD).

  • ELISA - Human Albumin ELISA Kit (ab108788), expandable thumbnail

    ELISA - Human Albumin ELISA Kit (ab108788)

    Concentration of albumin from differently diluted (in parenthesis) samples, demonstrating a linearity of 84-90% in CSF and 88-111% in milk (duplicates; +/- SD).

  • Sandwich ELISA - Human Albumin ELISA Kit (ab108788), expandable thumbnail

    Sandwich ELISA - Human Albumin ELISA Kit (ab108788)

    Representative Standard Curve using ab108788

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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

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