ELISA Kit for Aquaporin 4 (AQP4) Rattus norvegicus (Rat) Sandwich ELISA

HMIWC2; MIWC; WCH4; Mercurial-insensitive water channel

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  • ELISA Kit for Aquaporin 4 (AQP4) Packages (Simulation)
  • ELISA Kit for Aquaporin 4 (AQP4) Packages (Simulation)
  • ELISA Kit for Aquaporin 4 (AQP4) Results demonstration
  • SEA582Ra.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Aquaporin 4 (AQP4) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Aquaporin 4 (AQP4) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Stability

The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

ELISA Kit for Aquaporin 4 (AQP4)

Test principle

The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Aquaporin 4 (AQP4). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Aquaporin 4 (AQP4). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Aquaporin 4 (AQP4), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Aquaporin 4 (AQP4) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Citations

  • Aquaporins AQP1 and AQP4 in the cerebrospinal fluid of bacterial meningitis patientsScienceDirect: S0304394011012341
  • Astrocytic damage is far more severe than demyelination in NMONeurology: 208
  • Aquaporin-4 expression in the cerebrospinal fluid in congenital human hydrocephalusPubMed: PMC3651869
  • Melanocortin MC4 receptor agonists alleviate brain damage in abdominal compartment syndrome in the ratPubMed: 25616531
  • Novel effect of Daflon and low-dose γ-radiation in modulation of thioacetamide-induced hepatic encephalopathy in male albino ratsPubmed:26987350
  • Decreased levels of aquaporin-4 in the cerebrospinal fluid of patients with idiopathic intracranial hypertensionPubmed:26853804
  • Cerebrospinal fluid biomarkers of infantile congenital hydrocephalus.pubmed:28212403
  • Neuron-derived Plasma Exosome Proteins after Remote Traumatic Brain InjuryPubmed: 31441374
  • Paeonol Protects Against Intrastriatal 6-Hydroxydopamine Rat Model of Parkinson's Disease33995926
  • Evaluation of aquaporins in the cerebrospinal fluid in patients with idiopathic normal pressure hydrocephalus34597351

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