低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)
Multiplex Assay Kit for Low Density Lipoprotein (LDL) ,etc. by FLIA (Flow Luminescence Immunoassay)
（注：單次混測多因子不超過8個指標 ）
- 編號ULMB107Hu
- 物種Homo sapiens (Human，人) 相同的名稱，不同的物種。
- 實驗方法雙抗夾心
- 反應時長3.5h
- 檢測范圍0.02-20ng/mL
- 靈敏度最小可檢測劑量小于等于0.007 ng/mL.
- 樣本類型Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
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產品包裝(模擬)
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產品包裝(模擬)
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通過ISO 9001、ISO 13485質量體系認證
特異性
本試劑盒用于檢測低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)，經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低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)（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) | 91-98 | 94 |
| EDTA plasma(n=5) | 99-105 | 102 |
| heparin plasma(n=5) | 92-99 | 96 |
| sodium citrate plasma(n=5) | 88-99 | 95 |
精密度
精密度用樣品測定值的變異系數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低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)，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低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)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) | 98-105% | 79-98% | 85-103% | 88-101% |
| EDTA plasma(n=5) | 88-102% | 86-101% | 94-101% | 93-104% |
| heparin plasma(n=5) | 93-101% | 84-103% | 98-105% | 82-89% |
| sodium citrate plasma(n=5) | 86-94% | 85-104% | 99-105% | 98-105% |
穩定性
經測定，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. 實驗前標準品、試劑及樣本準備；
2. 加樣（標準品、樣本、磁珠）標準品或樣本100μL及磁珠10μL，
37°C酶標板振蕩器孵育90分鐘；
3. 磁吸甩干，加檢測溶液A100μL，37°C酶標板振蕩器孵育60分鐘；
4. 磁吸洗板3次；
5. 加檢測溶液B100μL，37°C振動孵育30分鐘；
6. 磁吸洗板3次；
7. 加鞘液100μL，旋渦震蕩2分鐘后讀數。
實驗原理
將低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)抗體包被于磁珠，制成固相載體，向微孔中分別加入標準品或標本以及磁珠，其中的低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)與連接于固相載體上的抗體結合，然后加入生物素化的低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)抗體，將未結合的生物素化抗體洗凈后，加入PE標記的親和素，再次徹底洗滌后即可上機讀數。MFI值和樣品中的低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法)呈正相關。
贈品
增值服務
相關產品
| 編號 | 適用物種：Homo sapiens (Human，人) | 應用(僅供研究使用，不用于臨床診斷！) |
| UNPB107Hu01 | 低密度脂蛋白(LDL)天然蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UPAB107Hu01 | 低密度脂蛋白(LDL)多克隆抗體 | IHC |
| ULAB107Hu71 | 低密度脂蛋白(LDL)多克隆抗體(生物素標記) | WB; IHC; ICC. |
| UHEB107Hu | 低密度脂蛋白(LDL)檢測試劑盒(酶聯免疫吸附試驗法,高敏型) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| USEB107Hu | 低密度脂蛋白(LDL)檢測試劑盒(酶聯免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| USCB107Hu | 低密度脂蛋白(LDL)檢測試劑盒(化學發光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
| ULMB107Hu | 低密度脂蛋白(LDL)等多因子檢測試劑盒(流式熒光發光法) | FLIA Kit for Antigen Detection. |
| UKSB107Hu01 | 低密度脂蛋白(LDL)檢測試劑盒DIY材料(酶聯免疫吸附試驗法) | Main materials for "Do It (ELISA Kit) Yourself". |
參考文獻
| 雜志 | 參考文獻 |
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| J Lipid Res | PCSK9 deficiency unmasks a sex-and tissue-specific subcellular distribution of the LDL and VLDL receptors in mice [PubMed: 26323289] |
| Neuroscience | 27-Hydroxycholesterol contributes to disruptive effects on learning and memory by modulating cholesterol metabolism in the rat brain [PubMed: 25987203] |
| The Journal of Nutritional Biochemistry | Protective role of n6/n3 PUFA supplementation with varying DHA/EPA ratios against atherosclerosis in mice [Pubmed:27142749] |
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| Journal of Functional Foods | Red paprika (Capsicum annuum L.) and its main carotenoid capsanthin ameliorate impaired lipid metabolism in the liver and adipose tissue of high-fat diet-induced obese mice [10.1016:j.jff.2017.01.044] |
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| American Journal of Translational?Research | Alteration of circulating innate lymphoid cells in patients with atherosclerotic cerebral infarction [Pubmed: 30662674] |
| Nature Communications | ER-residential Nogo-B accelerates NAFLD-associated HCC mediated by metabolic reprogramming of oxLDL lipophagy [Pubmed: 31358770] |
| Diabetes Metab Syndr Obes | ?°Adjusting Internal Organs and Dredging Channel?± Electroacupuncture Ameliorates Insulin Resistance in Type 2 Diabetes Mellitus by Regulating the Intestinal??- [34135611] |
| Evid Based Complement Alternat Med | Effect of Acupoint Embedding on Serum Leptin and Hypothalamus Leptin Receptor Expression in Rats with Simple Obesity [34659432] |
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| Int J Food Sci Nutr | Brown and golden flaxseed reduce intestinal permeability and endotoxemia, and improve the lipid profile in perimenopausal overweight women [Pubmed:35311432] |
