谱析（上海）生物科技有限公司提供——Homocysteine in Plasma 质谱诊断方案
 
一、说明
Homocysteine is an established marker to estimate the risk towards atherosclerosis and coronary heart disease. An elevated plasma homocysteine level (hyperhomocysteinemia), caused by nutrient deficiencies or by genetic defects, can be reduced by intake of folic acid, vitamin B6 and B12.Therefore the determination of homocysteine does not only serve for the risk assessment towards atherosclerotic affections but also to ensure the proper combination and dosage of a nutrition supplement therapy. 
 
二、产品优势
（1）Reliable sample preparation (specific derivatisation reagent)
（2）Injection interval: 5 min
 
三、测试数据
Linearity:                  1 - 100 μmol/I     
Recovery:                   95 - 105 %
LOD:                        0.5 μmol/I
LLOQ:                       1 μmol/I
Intraassay precision:      3.9%
Interassay precision:       5.8%  
 
四、高效液相色谱参数
Pump:                       isocratic pump, flow rate: 1.0 ml/min
Injection volume:           20 μl
Injection interval:         5 min
Fluorescence
detector:                   385 nm (exc.), 515 nm (em.)
HPLC-Thermostat:            30 °C
 
五、样品制备
 
 
 
六、订购信息
 

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