Product Info Summary
| SKU: | EK0914 |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Human |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum, plasma (heparin, EDTA) , saliva and urine. |
Product info
Product Name
Human Clusterin ELISA Kit PicoKine®
SKU/Catalog Number
EK0914
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Human Clusterin ELISA Kit PicoKine® (96 Tests). Quantitate Human CLU in cell culture supernatants, serum, plasma (heparin, EDTA) , saliva and urine. Sensitivity: 20pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.
Storage & Handling
Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)
Cite This Product
Human Clusterin ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK0914)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: D23-R227 (beta) & S228-E449 (alpha)
Sensitivity
<20 pg/ml
Assay Range
0.78 ng/ml - 50 ng/ml
Standard Dilution Instructions

See datasheet of EK0914 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK0914 is reactive to CLU in Human samples
Validated Sample Types
cell culture supernatants, serum, plasma (heparin, EDTA) , saliva and urine.
Application Guarantee
EK0914 is guaranteed for ELISA in Human by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of CLU
Clusterin (apolipoprotein J) is a 75 - 80 kDa disulfide-linked heterodimeric protein associated with the clearance of cellular debris and apoptosis.[1] In humans, clusterin is encoded by the CLU gene.This protein has several synonyms: dimeric acidic glycoprotein (DAG protein), testosterone repressed prostate message-2 (TRPM-2), sulfated glycoprotein-2 (SGP-2) and complement lysis inhibitor (CLI). Clusterin was mapped to mouse chromosome 14. Clusterin is a ubiquitously expressed molecule thought to influence a variety of processes including cell death. In the brain, it accumulates in dying neurons following seizures and hypoxic-ischemic (H-I) injury. clusterin may be a new therapeutic target to modulate non-caspase-dependent neuronal death following acute brain injury.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK0914-CAP | Anti-Human CLU Pre-coated 96-well strip microplate | 1 |
| EK0914-ST | Human CLU Standard | 2 vials, 50 ng/tube |
| EK0914-DA | Human CLU Biotinylated antibody (100x) | 100ul |
| AR1103 | Avidin-Biotin-Peroxidase Complex (100x) | 100ul |
| AR1106-1 | Sample Diluent | 30ml |
| AR1106-2 | Antibody Diluent | 12ml |
| AR1106-3 | Avidin-Biotin-Peroxidase Diluent | 12ml |
| AR1104 | Color Developing Reagent (TMB) | 10ml |
| AR1105 | Stop Solution | 10ml |
| AR1106-5 | Wash Buffer (25x) | 20ml |
| PLA-SEA | Adhesive plate sealers | 4 |
*The kit components are not available for individual purchase.
Materials Required But Not Included In Kit
- Microplate Reader capable of reading absorbance at 450nm.
- Incubator.
- Automated plate washer (optional).
- Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
- Multichannel pipettes are recommended for large amount of samples.
- Deionized or distilled water.
- 500ml graduated cylinders.
- Test tubes for dilution.
Data Examples, Quality Control Data & Sample Dilution
Validation Standard Curve O.D. At 450nm
| Concentration (ng/ml) | 0 | 0.78 | 1.56 | 3.12 | 6.25 | 12.5 | 25 | 50 |
| O.D. | 0.001 | 0.148 | 0.241 | 0.496 | 0.863 | 1.214 | 1.58 | 1.834 |
Data Example Images
Click image to see more details
Human Clusterin PicoKine ELISA Kit standard curve
Recommended Sample Dilution Ratios
According to our internal validation assays using this ELISA kit, to detect CLU, Dilution ratio of 1:50000, concentration in serum and plasma is 156-453 ug/ml..
Some articles we found to cite concentrations of CLU in samples: 25076422, 24803721 (Pubmed IDs).
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Human Clusterin ELISA Kit PicoKine® within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 1982 | 3789 | 21921 | 2148 | 4124 | 21708 |
| Standard deviation | 120.9 | 219.76 | 920.68 | 135.32 | 259.81 | 1085.4 |
| CV (%) | 6.1% | 5.8% | 4.2% | 6.3%% | 6.3% | 5% |
Specific Publications For Human Clusterin ELISA Kit PicoKine® (EK0914)
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Customer Reviews
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Customer Q&As
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6 Customer Q&As for Human Clusterin ELISA Kit PicoKine®
Question
What is the normal range of clusterin in saliva as well as the dilution factor and detection range of EK0914?
Verified customer
Asked: 2020-12-10
Answer
The range of clusterin in saliva is 82-695ng/ml. Recommended diulution factor is around 1:20. The assay range of standard in the Human Clusterin ELISA Kit PicoKine™ (EK0914) is 0.78ng/ml-50ng/ml. Please estimate the concentration of the target protein in the sample and use an appropriate dilution factor so that the diluted target protein concentration falls in the middle range of O.D. values of the standard curve.
Boster Scientific Support
Answered: 2020-12-10
Question
Q: is there any online tool I can use to streamline the data analysis for my ELISA results?
D. Martinez
Verified customer
Asked: 2020-09-23
Answer
A: We have a web based ELISA curve fitting (4pl) and data analysis tool. Please give it a try: bosterbio.com/biology-research-tools/elisa-data-analysis-online. You can also consult our article on ELISA data analysis: bosterbio.com/elisa-data-analysis-instructions
Boster Scientific Support
Answered: 2020-09-23
Question
Q: if the enzyme conjugated Clusterin antibodies are mixed with the substrate, will that change the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the Clusterin antigen?
Verified Customer
Verified customer
Asked: 2020-05-08
Answer
A: The enzyme is always active. Avoid contaminating the substrate with enzyme prior to the incubation otherwise it compromises the assay with false positive signal.
Boster Scientific Support
Answered: 2020-05-08
Question
Q: which procedure should I follow in order to thaw whole blood sample for Clusterin ELISA after freezing?
Verified Customer
Verified customer
Asked: 2019-02-25
Answer
A: we do not recommend freezing and thaw whole blood. erythrocytes are fragile and, if frozen and thawed, will undergo hemolysis rendering the samples useless. To keep your blood samples to test Clusterin for a later time, you should let the blood clot in glass tubes and collect the serum to freeze for later use.
Boster Scientific Support
Answered: 2019-02-25
Question
Q: how many samples can be assayed in a Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2018-07-13
Answer
A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may vary slightly by kit so please refer to each datasheet for details.
Boster Scientific Support
Answered: 2018-07-13
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for measuring Clusterin using the EK0914 Human Clusterin Picokine® ELISA Kit?
N. Harris
Verified customer
Asked: 2018-04-29
Answer
A: Boster Bio does not evaluate sample stability. Variations in sample collection, processing, and storage may change the stabilityof samples. It is recommend to assay sample on-stat collection when possible, or aliquot into single use volumes and store samples frozen. limit repetitive freeze-thaw cycles with the stored samples in order to limit protein degradation.
Boster Scientific Support
Answered: 2018-04-29

