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LLO ELISA 试剂盒

LLO 适用: Listeria monocytogenes Colorimetric Competition ELISA Plasma, Serum
产品编号 ABIN2669295
发货至: 中国
  • 抗原 See all LLO products
    LLO (Listeriolysin O (LLO))
    适用
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    Listeria monocytogenes
    检测方法
    Colorimetric
    实验类型
    Competition ELISA
    应用范围
    ELISA
    原理
    Enzyme-Linked Immunosorbent Assay (ELISA) for the detection of anti-listeriolysin O (LLO) IgG in sheep serum and plasma to diagnose listerial infection and to screen flocks/herds for Listeria monocytogenes exposure
    样品类型
    Serum, Plasma
    Analytical Method
    Quantitative
    组件
    - 12 x 8-well strips : coated with LLO recombinant protein, blocked with BSA 2% and protected with gelatine. - 1 x Buffer A: 50ml ready to use, with preservative. - 1 x Buffer B (Wash Buffer 10X concentrate) : 100ml, with preservative - 1 x HRP-conjugated secondary antibody : 10l - Chromogen Solution: 1 x 30ml Buffer C, 1 x 30l Buffer C1, 1 x 2 ABTS tablets.
    试剂未包括
    Microplate reader capable of measuring absorbance at 415 nm Thermomixer, shaking water bath or rocking platform at 37 °C Precision pipettes and pipette tips Glass or plastic pipettes Deionized or distilled water Multi-channel pipette, semi-automated or automated microplate washer 1000 mL graduated cylinder for preparation of 1X Wash Buffer Vortex mixer Glass tubes
  • 应用备注
    Optimal working dilution should be determined by the investigator.
    板类型
    Pre-coated
    限制
    仅限研究用
  • 注意事项
    The buffer C1 provided with this kit is H2O2 solution 30% m/m (110 volumes) that causes burns
    储存条件
    4 °C
  • 抗原 See all LLO products
    LLO (Listeriolysin O (LLO))
    别名
    Listeriolysin O (LLO 产品)
    别名
    Listeriolysin O ELISA Kit, BN418_0212 ELISA Kit
    背景
    Listeria monocytogenes is a facultative intracellular Listeria monocytogenes is a facultative intracellular Gram-positive food-borne bacterium, increasingly recognized as responsible for severe infections in both animals and humans (1). Ingestion of contaminated food causes an infection, named listeriosis, which affects especially immunocompromised patients, new-borns and pregnant women and is characterized by a variety of severe syndromes, such as encephalitis, meningoencephalitis, septicemia and abortion (2). Since dairy products are involved in several outbreaks of listeriosis, the identification of infected animals could be very important for human health. Listeriolysin O (LLO), the major virulence factor produced by all pathogenic strains of L.monocytogenes, has been identified as a candidate antigen for a serological assay (3, 4). Antibodies against LLO have been already detected in the serum of goats (5), sheep (6, 7), lambs (4), cows (8) and humans (9) by Western blot, dot blot or ELISA analysis. L. monocytogenes releases in the culture medium low levels of LLO, therefore the isolation of this toxin requires high culture volumes, is time-consuming and provides a very low yield (10, 11). For this reason LLO protein, used in the assay as test antigen, was expressed in Escherichia coli and purified as described i
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