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Human HSPB2 ELISA Kit (HUFI03872)

SKU:
HUFI03872
Product Type:
ELISA Kit
Size:
96 Assays
ELISA Type:
Sandwich
Synonyms:
HSPB2
Reactivity:
Human
$719
Frequently bought together:

Description

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Human HSPB2 ELISA Kit (HUFI03872)

The Human HSPB2 (Heat Shock Protein Beta-2) ELISA Kit is specifically designed for the accurate and precise quantification of HSPB2 levels in human samples such as serum, plasma, and cell culture supernatants. This kit offers high sensitivity and specificity, ensuring reliable and reproducible results for various research applications.HSPB2, also known as Hsp27, is a heat shock protein that plays a crucial role in cellular stress response and protection against protein aggregation. Its dysregulation has been linked to various diseases including cancer, neurodegenerative disorders, and cardiovascular conditions.

Therefore, the measurement of HSPB2 levels can serve as a valuable biomarker for studying these diseases and developing potential therapeutic strategies.With its user-friendly protocol and accurate detection capabilities, the Human HSPB2 ELISA Kit from Assay Genie is a valuable tool for researchers and clinicians seeking to investigate the role of HSPB2 in disease pathology and potential treatment options.

Product Name: Human HSPB2 ELISA Kit
Product Code: HUFI03872
Size: 96 Assays
Alias: HSPB2 ELISA Kit
Detection method: Sandwich ELISA, Double Antibody
Application: This immunoassay kit allows for the in vitro quantitative determination of Human HSPB2 concentrations in serum plasma and other biological fluids.
Sensitivity: 0.094ng/ml
Range: 0.156-10ng/ml
Storage: 4°C for 6 months
Note: For Research Use Only
Recovery: Matrices listed below were spiked with a certain level of Human HSPB2 and the recovery rates were calculated by comparing the measured value to the expected amount of Human HSPB2 in the samples.
Matrix Recovery range(%) Average(%)
cell lysates(n=5) 90-99 94
Stability: The stability of the Human HSPB2 ELISA Kit is determined by the loss rate of activity. The loss rate of this kit is less than 10% within the expiration date under appropriate storage conditions.
Standard (n=5) 37°C for 1 month 4°C for 6 months
Average (%) 80 95-100
CV(%): Intra-Assay: CV<8%
Inter-Assay: CV<10%
Component Quantity Storage
ELISA Microplate (Dismountable) 8×12 strips 4°C for 6 months
Lyophilized Standard 2 4°C/-20°C
Sample/Standard Dilution Buffer 20ml 4°C
Biotin-labeled Antibody(Concentrated) 120ul 4°C (Protect from light)
Antibody Dilution Buffer 10ml 4°C
HRP-Streptavidin Conjugate(SABC) 120ul 4°C (Protect from light)
SABC Dilution Buffer 10ml 4°C
TMB Substrate 10ml 4°C (Protect from light)
Stop Solution 10ml 4°C
Wash Buffer(25X) 30ml 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.

Step Protocol
1. Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2. Aliquot 0.1ml standard solutions into the standard wells.
3. Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4. Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5. Seal the plate with a cover and incubate at 37 °C for 90 min.
6. Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7. Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8. Seal the plate with a cover and incubate at 37°C for 60 min.
9. Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10. Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11. Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12. Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13. Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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