ELISA Kit for Nitric Oxide Synthase 2, Inducible (NOS2)

NOS2A; INOS; HEP-NOS; I-NOS; Hepatocytes Oxide Synthase; Peptidyl-cysteine S-nitrosylase NOS2


This assay has high sensitivity and excellent specificity for detection of Nitric Oxide Synthase 2, Inducible (NOS2).
No significant cross-reactivity or interference between Nitric Oxide Synthase 2, Inducible (NOS2) and analogues was observed.


Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Nitric Oxide Synthase 2, Inducible (NOS2) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Nitric Oxide Synthase 2, Inducible (NOS2) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%


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.



Magazine Citations
Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease High-molecular weight hyaluronan reduced renal PKC activation in genetically diabetic mice PubMed: 20713153
Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease Hyaluronan reduces inflammation in experimental arthritis by modulating TLR-2 and TLR-4 cartilage expression ScienceDirect: S0925443911001323
FEBS Journal Adenosine A2a Receptor Activation and Hyaluronan Fragment Inhibition Reduce Inflammation in Mouse Articular Chondrocytes Stimulated with Il-1beta Wiley: source
Gene Hyaluronan in part mediates IL-1beta-induced inflammation in mouse chondrocytes by up-regulating CD44 receptors ScienceDirect: S0378111911007347
PLoS One A Novel Mechanism of Formaldehyde Neurotoxicity: Inhibition of Hydrogen Sulfide Generation by Promoting Overproduction of Nitric Oxide PubMed: 23359814
PLoS ONE Regulation of Microglia Activity by Glaucocalyxin-A: Attenuation of Lipopolysaccharide-Stimulated Neuroinflammation through NF-κB and p38 MAPK Signaling Pathways PlosOne: Source
Journal of Cellular Biochemistry The inhibition of hyaluronan degradation reduced pro-inflammatory cytokines in mouse synovial fibroblasts subjected to collagen-induced arthritis. PubMed: 22234777
International Immunopharmacology Amentoflavone inhibits iNOS, COX-2 expression and modulates cytokine profile, NF-κB signal transduction pathways in rats with ulcerative colitis Pubmed: 24126114
Integrative Cancer Therapies Decalepis hamiltonii inhibits tumor progression and metastasis by regulating the inflammatory mediators and nuclear factor κB subunits Pubmed: 24013642
Food and Chemical Toxicology Inhibition of UVB-induced skin phototoxicity by a grape seed extract as modulator of nitrosative stress, ERK/NF-kB signaling pathway and apoptosis, in SKH-1 mice Pubmed: 23567245
Experimental Gerontology Age-related changes in ADMA–DDAH–NO pathway in rat liver subjected to partial ischemia followed by global reperfusion ScienceDirect: S0531556513003331
International Immunopharmacology Protective effect of marine mangrove Rhizophora apiculata on acetic acid induced experimental colitis by regulating anti-oxidant enzymes, inflammatory mediators and nuclear factor-kappa B subunits ScienceDirect: S1567576913004153
Molecular Vision Effects of topically applied tocotrienol on cataractogenesis and lens redox status in galactosemic rats Pubmed:24940038
Journal of Environmental Pathology, Toxicology and Oncology Protective Effect of?Acacia ferruginea?against Ulcerative Colitis via Modulating Inflammatory Mediators, Cytokine Profile and NF-κB Signal Transduction Pathways Pubmed:24941292
Eur J Cancer Prev. Utility of Apc-mutant rats with a colitis-associated colon carcinogenesis model for chemoprevention studies Pubmed:25222193
Cell and Tissue Research Beta-arrestin 1 is involved in the catabolic response stimulated by hyaluronan degradation in mouse chondrocytes Pubmed:25673209
Ann N Y Acad Sci.? Modulating effect of Biophytum sensitivum extract on rats with acetic acid-induced ulcerative colitis Pubmed:5243883
Molecular Medicine Reports Resveratrol ameliorates oxidative stress and inhibits aquaporin 4 expression following rat cerebral ischemia-reperfusion injury PubMed: 26458999
Chem Biol Interact Apocynin protects against ethanol-induced gastric ulcer in rats by attenuating the upregulation of NADPH oxidases 1 and 4 PubMed: 26522475
Journal of Environmental Pathology, Toxicology and Oncology Protective Effect of PubMed: 26349607
Journal of Immunotoxicology Acacia ferruginea inhibits inflammation by regulating inflammatory iNOS and COX-2 PubMed: 25738525
Cancer Medicine Circulating CD14+HLA-DR-/low myeloid-derived suppressor cells in leukemia patients with allogeneic hematopoietic stem cell transplantation: novel clinical potential strategies for the prevention and cellular therapy of graft-versus-host disease Pubmed:27109254
Journal of Natural Medicines Anti-oxidative, anti-secretory and anti-inflammatory activities of the extract from the root bark of Lycium chinense (Cortex Lycii) against gastric ulcer in mice Pubmed:26972100
Cell Mol Immunol  Toxoplasma gondii GRA15II effector-induced M1 cells ameliorate liver fibrosis in mice infected with Schistosomiasis japonica Pubmed:27157496
Медицина и здравоохранение Роль индуцибельной NO-синтазы в механизмах регуляции функциональной активности кальций-активируемых калиевых каналов коронарных сосудов у крыс, адаптированных к стрессу article:n
Graefe's Archive for Clinical and Experimental Ophthalmology Role of RhoA/MERK1/ERK1/2/iNOS signaling in ocular ischemic syndrome pubmed:27538909
Taylor & Francis Influences of Hyriopsis cumingii polysaccharides on mice immunosignaling molecules and T lymphocyte differentiation 09540105.2017.1306494
Molecular Vision Mechanism of the anticataract effect of liposomal MgT in galactose-fed rats. pubmed:27440992
Journal of Natural Medicines Anti-oxidative, anti-secretory and anti-inflammatory activities of the extract from the root bark ofLycium chinense (Cortex Lycii) against gastric ulcer in mice. pubmed:26972100
Applied Biochemistry and Biotechnology Protective Effect of Zingiber officinale Against Dalton's Lymphoma Ascites Tumour byRegulating Inflammatory Mediator and Cytokines. pubmed:27435276
Cell Mol Neurobiol Posttraumatic Stress Disorder Disturbs Coronary Tone and Its Regulatory Mechanisms pubmed:28676988
Microbial Immunology Immunomodulatory Activities of a Fungal Protein Extracted from Hericium erinaceus through Regulating the Gut Microbiota pubmed:28713364
Biomedicine & Pharmacotherapy Protective effect of Averrhoa bilimbi L. fruit extract on ulcerative colitis in wistar rats via regulation of inflammatory mediators and cytokines pubmed:28531922
The Royal Society of Chemistry Anti-ulcerogenic effect of KFP-H008 against ethanol-induced gastric ulcer via p38 MAPK/NF-κB pathway 10.1039/C7RA08879E
Acta Pharmacologica Sinica Cis-stilbene glucoside in Polygonum multiflorum induces immunological idiosyncratic hepatotoxicity in LPS-treated rats by suppressing PPAR-γ. pubmed:28649126
Cytokine Soy isoflavone genistein attenuates lipopolysaccharide-induced cognitive impairments in the rat via exerting anti-oxidative and anti-inflammatory effects pubmed:29102164
Molecules Melatonin balance the autophagy and apoptosis by regulating UCP2 in the LPS-induced cardiomyopathy Pubmed:29547569
European Journal of Pharmacology  Naringenin ameliorates learning and memory impairment following systemic lipopolysaccharide challenge in the rat Pubmed:29518393
Regulatory Toxicology and Pharmacology Targeted inhibition of tumor survival, metastasis and angiogenesis by Acacia ferruginea mediated regulation of VEGF, inflammatory mediators, cytokine profile and … Pubmed:29678767
Pharmacological Reports The Association between Inflammatory Markers (iNOS, HO-1, IL-33, MIP-1β) and Depression with and without Posttraumatic Stress Disorder 10.1016:j.pharep.2018.06.001
Clinical And Experimental Pharmacology And Physiology  Diallyl sulfide alleviates cisplatin‐induced nephrotoxicity in rats via suppressing NF‐κB downstream inflammatory proteins and p53/Puma signalling pathway Pubmed:29266336
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