Double reagent for detecting sialic acid liquid by stable enzyme method and use thereof
A dual-reagent, sialic acid technology, applied in the field of enzymatic determination of sialic acid liquid dual-reagent, can solve the problems of expensive instruments, corrosive reagent components, short stabilization time, etc., to simplify the production process, avoid secondary pollution, bottle small difference effect
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Embodiment 1
[0037] Reagent 1
[0038] MES buffer pH6.2 100mmol / L
[0039] Neuraminidase 240U / L
[0040] Lactate dehydrogenase 10KU / L
[0041] Surfactant Triton X-100 1ml / L
[0042] Bovine serum albumin 2g / L
[0043] NaN 3 1g / L
[0044] Reagent 2
[0045] Tris buffer pH8.75 50mmol / L
[0046] N-acetylneuraminic acid aldolase 10KU / L
[0047] Reduced coenzyme NADH 0.3mmol / L
[0048] Bovine serum albumin 2g / L
[0049] Glucose dehydrogenase 15U / L
[0050] Glucose 20mmol / L
Embodiment 2
[0052] Reagent 1 includes:
[0053] Neuraminidase 10KU / L
[0054] Lactate dehydrogenase 5KU / L
[0055] BES buffer pH6.0 100mmol / L
[0056] Trehalose 10g / L
[0057] Benzoic acid 1.5g / L
[0058] Reagent 2 includes:
[0059] N-acetylneuraminic acid aldolase 20KU / L
[0060] Reduced coenzyme NADH 0.25mmol / L
[0061]Glucose dehydrogenase 100U / L
[0062] Glucose 100mmol / L
[0063] Glycine buffer pH9.0 75mmol / L
[0064] Trehalose 10g / L
[0065] Methyl hydroxybenzoate 1.5g / L
Embodiment 3
[0067] Reagent 1 includes:
[0068] Neuraminidase 20KU / L
[0069] Lactate dehydrogenase 15KU / L
[0070] Citric acid buffer pH6.0 80mmol / L
[0071] Polyethylene glycol 2g / L
[0072] Gentamicin 3g / L
[0073] Reagent 2 includes:
[0074] N-acetylneuraminic acid aldolase 10KU / L
[0075] Reduced coenzyme NADH 1mmol / L
[0076] Glucose dehydrogenase 20U / L
[0077] Glucose 50mmol / L
[0078] AMP buffer pH8.5 30mmol / L
[0079] Polyethylene glycol 2g / L
[0080] Gentamicin 3g / L
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