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AB278042

Human CRP ELISA Kit (C-Reactive protein), Fluorescent

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Human CRP ELISA Kit (C-Reactive protein), Fluorescent is a single-wash 90-min Simplestep used to quantify Human CRP (C-Reactive protein) with a sensitivity of 1.23 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.

- Fluorescent Sandwich ELISA - 530/570/590 nm readout : works on any standard plate reader
- Validated on a number of sample types including cerebrospinal fluid (CSF)
4 이미지
Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)
  • sELISA

Supplier Data

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)

Interpolated concentrations of human CRP in cerebrospinal fluid.

Interpolated concentration of native CRP was measured in duplicate at different sample concentrations. Undiluted samples are 12.5%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). Sample dilutions are made in Sample Diluent NS.

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)
  • sELISA

Supplier Data

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)

Interpolated concentrations of native CRP in human serum and plasma samples.

The concentrations of CRP were measured in duplicates, interpolated from the CRP standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 1 : 1000, plasma (citrate) 1 : 2000, plasma (EDTA) 1 : 1000, plasma (heparin) 1 : 1000. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean CRP concentration was determined to be 1025.5 ng/mL in serum, 1676.5 ng/mL in plasma (citrate) and 668.3 ng/mL in plasma (EDTA), and, 1062.8 ng/mL in plasma (heparin).

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)
  • sELISA

Supplier Data

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)

Serum from ten individual healthy human male donors was measured in duplicate.

Interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean CRP concentration was determined to be 535.7 ng/mL with a range of 28.1 – 1180.4 ng/mL.

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)
  • sELISA

Unknown

Sandwich ELISA - Human CRP ELISA Kit (C-Reactive protein), Fluorescent (AB278042)

Example of human CRP standard curve in Sample Diluent NS.

Raw data generated on SpectraMax M4 Multi-Mode Microplate Reader is shown in the table. Background-subtracted data values (mean +/- SD) are graphed.

주요 정보

검출 방식

Fluorescent

샘플 타입

Cerebral Spinal Fluid, Heparin Plasma, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma

Reacts with

Human

분석 유형

Sandwich

결과 유형

Quantitative

Sensitivity

= 1.23 pg/mL

검출 범위

1.95 - 8000 pg/mL

분석 소요 시간

1h 30m

분석 플랫폼

Pre-coated microplate (12 x 8 well strips)

Reactivity 정보

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

제품 세부 정보

C-Reactive Protein (CRP) in vitro CatchPoint SimpleStep ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for the quantitative measurement of C-Reactive Protein (CRP) protein in human serum, plasma, and cell culture supernatants.

This CatchPoint SimpleStep ELISA kit has been optimized for Molecular Devices Microplate Readers. Click here for a list of recommended Microplate Readers.
If using a Molecular Devices' plate reader supported by SoftMax® Pro software, a preconfigured protocol for these CatchPoint SimpleStep ELISA Kits is available with all the protocol and analysis settings at www.softmaxpro.org.

The CatchPoint SimpleStep ELISA employs an affinity tag labeled capture antibody and a reporter conjugated detector antibody which immunocapture the sample analyte in solution. This entire complex (capture antibody/analyte/detector antibody) is in turn immobilized via immunoaffinity of an anti-tag antibody coating the well. To perform the assay, samples or standards are added to the wells, followed by the antibody mix. After incubation, the wells are washed to remove unbound material. CatchPoint HRP Development Solution containing the Stoplight Red Substrate is added. During incubation, the substrate is catalyzed by HRP generating a fluorescent product. Signal is generated proportionally to the amount of bound analyte and the intensity is measured in a fluorescence plater reader at 530/570/590 nm Excitation/Cutoff/Emission.

CRP displays several functions associated with host defense: it promotes agglutination, bacterial capsular swelling, phagocytosis and complement fixation through its calcium-dependent binding to phosphorylcholine. CRP can interact with DNA and histones and it may scavenge nuclear material released from damaged circulating cells. CRP is secreted; it forms a homopentamer pentaxin (or pentraxin) which have a discoid arrangement of 5 non-covalently bound subunits. CRP binds 2 calcium ions per subunit. The concentration of CRP in plasma increases greatly during acute phase response to tissue injury, infection or other inflammatory stimuli. It is induced by IL1/interleukin-1 and IL6//interleukin-6.

Precision

[ { "reproducibilityType": "Inter", "sample": "Supernatant", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "3.1" }, { "reproducibilityType": "Intra", "sample": "Supernatant", "replicates": 8, "mean": null, "standardDeviation": null, "coefficientOfVariability": "2.5" } ]

Recovery

[ { "sample": "Cerebral Spinal Fluid", "range": "80 - 101 %", "average": "= 88" }, { "sample": "Cell culture supernatant", "range": "105 - 113 %", "average": "= 110" }, { "sample": "Serum", "range": "83 - 93 %", "average": "= 88" }, { "sample": "EDTA Plasma", "range": "95 - 104 %", "average": "= 100" }, { "sample": "Heparin Plasma", "range": "89 - 110 %", "average": "= 98" }, { "sample": "Citrate plasma", "range": "86 - 97 %", "average": "= 91" } ]

제품 구성

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특성 및 보관 정보

배송 시 보관 조건
Blue Ice
적절한 단기 보관 조건
+4°C
적절한 장기 보관 조건
+4°C
보관 정보
+4°C

추가 정보

This supplementary information is collated from multiple sources and compiled automatically.

C-reactive protein (CRP) also known as CRP protein is an acute-phase protein with a molecular mass of approximately 25 kDa. It is primarily synthesized in the liver in response to cytokines. This protein appears in the blood where it binds to phosphocholine expressed on the surface of dead or dying cells. CRP is often used as a biomarker for inflammation in the body and its levels in human and canine (anti CRP used) blood samples are measured using assays like the CRP ELISA test or CRP ELISA kit.
Biological function summary

CRP plays a significant role in the innate immune system by recognizing foreign pathogens and damaged cells. It does not form part of a larger complex but itself can bind to specific ligands initiating the complement cascade. This activation enhances phagocytosis by macrophages contributing to the clearance of necrotic and apoptotic cells. The CRP protein therefore acts as a fast responder in the presence of inflammation making it a useful indicator for monitoring inflammatory diseases.

Pathways

CRP operates predominantly within the acute-phase response pathway. Its production is upregulated by cytokines such as IL-6 which connects it to inflammation-signaling pathways. CRP also interacts with the complement system bridging innate and adaptive immunity. Besides CRP could indirectly influence pathways involving other inflammatory proteins like serum amyloid A and haptoglobin creating a network of responses important for managing inflammation.

Elevated CRP levels are commonly associated with cardiovascular diseases and rheumatoid arthritis. In cardiovascular diseases CRP acts as a marker for atherosclerosis where the protein levels correlate with disease severity. It connects with other proteins involved in inflammatory processes such as fibrinogen to contribute to disease pathology. In rheumatoid arthritis CRP provides insights into disease activity helping in the assessment of treatment responses.

제품 프로토콜

타겟 정보

Displays several functions associated with host defense : it promotes agglutination, bacterial capsular swelling, phagocytosis and complement fixation through its calcium-dependent binding to phosphorylcholine. Can interact with DNA and histones and may scavenge nuclear material released from damaged circulating cells.
See full target information CRP

대체 명칭 보기

PTX1, CRP, C-reactive protein

제품이 사용된 논문 (1)

Recent publications for all applications. Explore the 전체 목록 and refine your search

Journal of pharmaceutical analysis 15:101251 PubMed40521370

2025

Impact of FASN-enriched EVs on endothelial cell function in obstructive sleep apnea hypopnea syndrome.

Applications

Unspecified application

Species

Unspecified reactive species

Yuan Tian,Dan Zhang,Huaian Yang,Xiaoli Zhang,Shengqun Xu
제품이 사용된 논문 모두 보기
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