Ⅱ型膠原交聯(lián)羧基端肽(CTXII)等多因子檢測試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Cross Linked C-Telopeptide Of Type II Collagen (CTXII) ,etc. by FLIA (Flow Luminescence Immunoassay)
CTX-II; CTX2
(注:單次混測多因子不超過8個指標 )
- 編號LMA686Mu
- 物種Mus musculus (Mouse,小鼠)相同的名稱,不同的物種。
- 實驗方法競爭抑制
- 反應時長3h
- 檢測范圍0.98-1000pg/mL
- 靈敏度最小可檢測劑量小于等于0.327 pg/mL.
- 樣本類型Serum, plasma and other biological fluids
- 下載英文說明書 中文說明書
- 規(guī)格8指標數(shù)7指標數(shù)6指標數(shù)5指標數(shù)4指標數(shù)3指標數(shù)2指標數(shù)1指標數(shù)
- 價格¥ 2427¥ 2521¥ 2661¥ 2847¥ 3034¥ 3314¥ 3734¥ 4668 添加到價格計算器 計算器
- 欲了解實際交易價格和更多情況,請與當?shù)亟?jīng)銷商聯(lián)系!
特異性
本試劑盒用于檢測Ⅱ型膠原交聯(lián)羧基端肽(CTXII),經(jīng)檢測與其它相似物質無明顯交叉反應。
由于受到技術及樣本來源的限制,不可能完成對所有相關或相似物質交叉反應檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質有交叉反應。
回收率
分別于定值血清及血漿樣本中加入一定量的Ⅱ型膠原交聯(lián)羧基端肽(CTXII)(加標樣品),重復測定并計算其均值,回收率為測定值與理論值的比率。
| 樣本 | 回收率范圍(%) | 平均回收率(%) |
| serum(n=5) | 78-96 | 89 |
| EDTA plasma(n=5) | 84-99 | 90 |
| heparin plasma(n=5) | 91-98 | 95 |
| sodium citrate plasma(n=5) | 84-104 | 98 |
精密度
精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內差:取同批次試劑盒對低、中、高值定值樣本進行定量檢測,每份樣本連續(xù)測定20 次,分別計算不同濃度樣本的平均值及SD值。
批間差:選取3個不同批次的試劑盒分別對低、中、高值定值樣本進行定量測定,每個樣本使用同一試劑盒重復測定8次,分別計算不同濃度樣本的平均值及SD值。
批內差: CV<10%
批間差: CV<12%
線性
在定值血清及血漿樣本內加入適量的Ⅱ型膠原交聯(lián)羧基端肽(CTXII),并倍比稀釋成1:2,1:4,1:8,1:16的待測樣本,線性范圍即為稀釋后樣本中Ⅱ型膠原交聯(lián)羧基端肽(CTXII)含量的測定值與理論值的比率。
| 樣本 | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 90-97% | 78-97% | 78-99% | 80-104% |
| EDTA plasma(n=5) | 94-101% | 96-104% | 89-96% | 92-101% |
| heparin plasma(n=5) | 82-96% | 93-105% | 78-101% | 94-105% |
| sodium citrate plasma(n=5) | 97-105% | 90-97% | 89-97% | 78-104% |
穩(wěn)定性
經(jīng)測定,試劑盒在有效期內按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響,實驗室的環(huán)境條件需盡量保持一致,尤其是實驗室內溫度、濕度及溫育條件。其次由同一實驗員來進行操作可減少人為誤差。
實驗流程
1、向實驗板每孔內加入200μL分析緩沖液以預濕;
2、實驗前標準品、試劑及樣本準備;
3、加樣(標準品、樣本、磁珠、檢測溶液A),標準品或樣本50μL,加檢測溶液A 50μL,及磁珠10μL,25°C酶標板振蕩器孵育90分鐘;
4、磁吸甩干,加檢測溶液B 100μL,25°C振動孵育30分鐘;
5、磁吸洗板1次;
6、加鞘液100μL,旋渦震蕩10分鐘后讀數(shù)。
實驗原理
將Ⅱ型膠原交聯(lián)羧基端肽(CTXII)抗體包被于磁性微球表面,制成固相載體。在微孔中同時加入待測抗原(標準品或樣本)、生物素標記的抗原和微球。待測抗原與生物素標記抗原對特異性抗體進行競爭結合。加入PE標記的鏈霉親和素,上機讀數(shù)。MFI值(Median Fluorescence Intensity)和樣品中的Ⅱ型膠原交聯(lián)羧基端肽(CTXII)濃度呈負相關。
贈品
相關產(chǎn)品
| 編號 | 適用物種:Mus musculus (Mouse,小鼠) | 應用(僅供研究使用,不用于臨床診斷!) |
| PAA686Mu01 | Ⅱ型膠原交聯(lián)羧基端肽(CTXII)多克隆抗體 | Testing in progress. |
| MEA686Mu | Ⅱ型膠原交聯(lián)羧基端肽(CTXII)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| CEA686Mu | Ⅱ型膠原交聯(lián)羧基端肽(CTXII)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| LMA686Mu | Ⅱ型膠原交聯(lián)羧基端肽(CTXII)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
| KSA686Mu11 | Ⅱ型膠原交聯(lián)羧基端肽(CTXII)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法) | Main materials for "Do It (ELISA Kit) Yourself". |
參考文獻
| 雜志 | 參考文獻 |
| Cartilage | Comparison of Intra-articular Injection of Hyaluronic Acid and N-Acetyl Cysteine in the Treatment of Knee Osteoarthritis A Pilot Study[1947603516675915.abstract] |
| BioMed Research International | Decreased Plasma COMP and Increased Plasma CTX-II Levels in a Chinese Pseudoachondroplasia Family with Novel COMP Mutation[pubmed:29104872] |
| In Vivo | Osteochondral Repair Using Porous Three-dimensional Nanocomposite Scaffolds in a Rabbit Model[pubmed:28882956] |
| Aging Cell | Transthyretin deposition promotes progression of osteoarthritis[pubmed:28941045] |
| Molecular Medicine Reports | Mori Folium water extract alleviates articular cartilage damages and inflammatory responses in monosodium iodoacetate?induced osteoarthritis rats[pubmed:29067461] |
| Experimental and Clinical Sciences International online journal for advances in science | Schisandrae Fructus ethanol extract ameliorates inflammatory responses and articular cartilage damage in monosodium iodoacetate-induced osteoarthritis in rats.[pubmed:28507472] |
| Advances in?Clinical?and Experimental?Medicine | Fibulin-3 and other cartilage metabolism biomarkers in relationship to calprotectin (MRP8/14) and disease activity in rheumatoid arthritis patients treated with?…[68362.pdf] |
| Journal of Orthopaedic Surgery and Research | The levels of urine CTX-II, C2C, and PYD in children patients with Kashin-Beck disease in Qinghai Province of China[Pubmed: 30635000] |
| Nutrients | The Preventive Effects of Greenshell Mussel (Perna canaliculus) on Early-Stage Metabolic Osteoarthritis in Rats with Diet-Induced Obesity[Pubmed: 31311115] |
| International journal of molecular sciences | Differences in Osteoimmunological Biomarkers Predictive of Psoriatic Arthritis among a Large Italian Cohort of Psoriatic Patients[Pubmed: 31717649] |
| Applied Physiology Nutrition and Metabolism | Effectiveness of collagen supplementation on pain scores in healthy individuals with self-reported knee pain; A randomized controlled trial[Pubmed: 31990581] |
| heliyon | Oral intake of Streptococcus thermophilus improves knee osteoarthritis degeneration: A randomized, double-blind, placebo-controlled clinical study[] |
| EBioMedicine | Repopulation of decellularised articular cartilage by laser-based matrix engraving[33483297] |
| Biomolecules | Concerted Actions by PIICP, CTXII, and TNF-|á in Patients with Juvenile Idiopathic Arthritis[33924892] |


