TNF alpha Kit ELISA

N° du produit ABIN6574142

Détail du produit TNF alpha Kit ELISA

Antigène: TNF alpha (Tumor Necrosis Factor alpha (TNF alpha))

Reactivité: Lapin

Méthode de détection: Colorimetric

Type de méthode: Sandwich ELISA

Gamme de detection: 3.12 pg/mL - 200 pg/mL

Seuil minimal de détection: 3.12 pg/mL

Application: ELISA

Fonction: The kit is a sandwich enzyme immunoassay for in vitro quantitative measurement of TNFa in rabbit serum, plasma, tissue homogenates, cell lysates, cell culture supernates.

We offer validation data (WB) for the kit components. So you can be sure to order a reliable ELISA kit product composed of high quality reagents.

Type d'échantillon: Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate

Analytical Method: Quantitative

Specificité: This assay has high sensitivity and excellent specificity for detection of Tumor Necrosis Factor Alpha (TNFa)

Réactivité croisée (Details): No significant cross-reactivity or interference between Tumor Necrosis Factor Alpha (TNFa) and analogues was observed.

Sensibilité: 1.13 pg/mL

Ingrédients:

• Pre-coated, ready to use 96-well strip plate, flat buttom
• Plate sealer for 96 wells
• Reference Standard
• Standard Diluent
• Detection Reagent A
• Detection Reagent B
• Assay Diluent A
• Assay Diluent B
• Reagent Diluent (if Detection Reagent is lyophilized)
• TMB Substrate
• Stop Solution
• Wash Buffer (30 x concentrate)
• Instruction manual

Information d'application

Commentaires:

Information on standard material:
The standard might be recombinant protein or natural protein, that will depend on the specific kit. Moreover, the expression system is E.coli or yeast or mammal cell. There is 0.05% proclin 300 in the standard as preservative.

Information on reagents:
The stop solution used in the kit is sulfuric acid with concentration of 1 mol/L. And the wash solution is TBS. The standard diluent contains 0.02 % sodium azide, assay diluent A and assay diluent B contain 0.01% sodium azide. Some kits can contain is BSA in them.

Information on antibodies:
The provided antibodies and their host vary in different kits.

Volume d'échantillon: 100 μL

Durée du test: 3 h

Plaque: Pre-coated

Protocole:

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.

Préparation des réactifs:

1. Bring all kit components and samples to room temperature (18-25 °C) before use. If the kit will not be used up in one time, please only take out strips and reagents for present experiment, and leave the remaining strips and reagents in required condition.
2. Standard - Reconstitute the Standard with 1.0mL of Standard Diluent, kept for 10 minutes at room temperature, shake gently (not to foam). The concentration of the standard in the stock solution is 800 pg/mL. Please firstly dilute the stock solution to 200pg/mL and the diluted standard serves as the highest standard (200pg/mL). Prepare 7 tubes containing 0.5mL Standard Diluent and produce a double dilution series. Mix each tube thoroughly before the next transfer. Set up 7 points of diluted standard such as 200pg/mL, 100pg/mL, 50pg/mL, 25pg/mL, 12.5pg/mL, 6.25pg/mL, 3.12pg/mL, and the last tube with Standard Diluent is the blank as 0pg/mL.
3. Detection Reagent A and Detection Reagent B - If lyophilized reconstitute the Detection Reagent A with 150μL of Reagent Diluent, keep for 10 minutes at room temperature, shake gently (not to foam). Briefly spin or centrifuge the stock Detection A and Detection B before use. Dilute them to the working concentration 100-fold with Assay Diluent A and B, respectively.
4. Wash Solution - Dilute 20 mL of Wash Solution concentrate (30x) with 580 mL of deionized or distilled water to prepare 600 mL of Wash Solution (1x).
5. TMB substrate - Aspirate the needed dosage of the solution with sterilized tips and do not dump the residual solution into the vial again.

Note:

1. Making serial dilution in the wells directly is not permitted.
2. Prepare standards within 15 minutes before assay. Please do not dissolve the reagents at 37 °C directly.
3. Please carefully reconstitute Standards or working Detection Reagent A and B according to the instruction, and avoid foaming and mix gently until the crystals are completely dissolved. To minimize imprecision caused by pipetting, use small volumes and ensure that pipettors are calibrated. It is recommended to suck more than 10μL for one pipetting.
4. The reconstituted Standards, Detection Reagent A and Detection Reagent B can be used only once.
5. If crystals have formed in the Wash Solution concentrate (30x), warm to room temperature and mix gently until the crystals are completely dissolved.
6. Contaminated water or container for reagent preparation will influence the detection result.

Préparation de l'échantillon:

• It is recommended to use fresh samples without long storage, otherwise protein degradation and denaturation may occur in these samples, leading to false results. Samples should therefore be stored for a short period at 2 - 8 °C or aliquoted at -20 °C (≤1 month) or -80 °C (≤ 3 months). Repeated freeze-thaw cycles should be avoided. Prior to assay, the frozen samples should be slowly thawed and centrifuged to remove precipitates.
• If the sample type is not specified in the instructions, a preliminary test is necessary to determine compatibility with the kit.
• If a lysis buffer is used to prepare tissue homogenates or cell culture supernatant, there is a possibility of causing a deviation due to the introduced chemical substance. The recommended dilution factor is for reference only.
• Please estimate the concentration of the samples before performing the test. If the values are not in the range of the standard curve, the optimal sample dilution for the particular experiment has to be determined.

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

Restrictions: For Research Use only

Stockage

Précaution d'utilisation: The Stop Solution suggested for use with this kit is an acid solution. Wear eye, hand, face, and clothing protection when using this material.

Stock: 4 °C/-20 °C

Stockage commentaire:

1. For unopened kit: All reagents should be stored according to the labels on the vials. The Standard, Detection Reagent A, Detection Reagent B, and 96-well Strip Plate should be stored at -20 °C upon receipt, while the other reagents should be stored at 4 °C.
2. For opened kits: the remaining reagents must be stored according to the above storage conditions. In addition, please return the unused wells to the foil pouch containing the desiccant and seal the foil pouch with the zipper.

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Date de péremption: 6 months

Références pour TNF alpha Kit ELISA (ABIN6574142)

Mousa, Allemailem, Alhumaydhi, Alrumaihi, Almatroudi, Aljasir, Alwashmi, Al Rugaie, Soliman, Aljohani, Al Abdulmonem, Ahmed, Khan, Khan, AlSuhaymi, Alsugoor, Al-Megrin, Elsayed: "Cytoprotective Antioxidant, Anti-Inflammatory, and Antifibrotic Impact of Celery Seed Oil and Manuka Honey Against Cyclophosphamide-Induced Cystitis in Rabbits." dans: , Vol. 2022, pp. 2863023, (2022) (PubMed).

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Ma, Zhu, Chen, Zhang, Dong, Wu, Lu, Wu: "Sulforaphane, a Natural Isothiocyanate Compound, Improves Cardiac Function and Remodeling by Inhibiting Oxidative Stress and Inflammation in a Rabbit Model of Chronic Heart Failure." dans: Medical science monitor : international medical journal of experimental and clinical research, Vol. 24, pp. 1473-1483, (2018) (PubMed).

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Barbar, Pauchard, Bruyère, Bruillard, Hayez, Croisier, Pugin, Charles: "Mechanical Ventilation Alters the Development of Staphylococcus aureus Pneumonia in Rabbit." dans: PLoS ONE, Vol. 11, Issue 7, pp. e0158799, (2016) (PubMed).

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Kaya, Erdi, Kılınc, Keskin, Feyzıoglu, Esen, Karatas, Uyar, Kalkan: "Alterations of the thioredoxin system during subarachnoid hemorrhage-induced cerebral vasospasm." dans: Acta neurochirurgica, Vol. 157, Issue 5, pp. 793-9; discussion 799-800, (2015) (PubMed).

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Détail du antigène

Antigène: TNF alpha (Tumor Necrosis Factor alpha (TNF alpha))

Autre désignation: Tumor Necrosis Factor Alpha (TNFa) (TNF alpha Produits)

Synonymes: DIF Kit ELISA, TNF-alpha Kit ELISA, TNFA Kit ELISA, TNFSF2 Kit ELISA, RATTNF Kit ELISA, Tnfa Kit ELISA, tnf Kit ELISA, TNF-a Kit ELISA, TNFalpha Kit ELISA, Tnfsf1a Kit ELISA, TNFa Kit ELISA, cTNF Kit ELISA, Tnf-alpha Kit ELISA, tnfa-like Kit ELISA, TNF-ALPHA Kit ELISA, dif Kit ELISA, tnfa Kit ELISA, xtnf Kit ELISA, tnfsf2 Kit ELISA, tnf-alpha Kit ELISA, Cachectin Kit ELISA, tumor necrosis factor Kit ELISA, tumor necrosis factor b (TNF superfamily, member 2) Kit ELISA, tumor necrosis factor alpha Kit ELISA, tumor necrosis factor a (TNF superfamily, member 2) Kit ELISA, TNF Kit ELISA, Tnf Kit ELISA, tnf Kit ELISA, tnfb Kit ELISA, tnf-alpha Kit ELISA, LOC103694380 Kit ELISA, tnfa Kit ELISA

UniProt: P04924

Pathways: Signalisation NF-kappaB, Apoptose, Caspase Cascade in Apoptosis, Signalisation TLR, Cellular Response to Molecule of Bacterial Origin, Regulation of Leukocyte Mediated Immunity, Positive Regulation of Immune Effector Process, Production of Molecular Mediator of Immune Response, Positive Regulation of Endopeptidase Activity, Hepatitis C, Protein targeting to Nucleus, Inflammasome