N-乙酰壳聚糖的LC/MS分析 (NH2P-40 2D)

2023-07-18 6

色谱柱Asahipak NH2P-40 2D; N-Acetyl-D-glucosamineN-乙酰-D-葡糖胺;di-N-Acetylchitobiose二-N-乙酰壳二糖;hexa-N-Acetylchitohexaose六-N-乙酰壳六糖;penta-N-Acetylchitopentaose六-N-乙酰壳六糖;tetra-N-Acetylchitotetraose五-N-乙酰几丁质酶;tri-N-Acetylchitotriose-三-N-乙酰壳三糖;

使用糖分析柱Asahipak NH2P-40 2D进行N-乙酰壳聚糖的LC/MS分析。在流动相中添加氨能促进糖的离子化,进行高灵敏度的检测。*本应用实例中使用的产品目前已经终止销售,如果您对此应用感兴趣,请和我们联系。  
  Sample : 5 μL, Mixture of N-Acetylchitooligosaccharides(Seikagaku Co. code:800104 Chitooligosaccharides Mixture) 500 ng/mL
  1. N-Acetyl-D-glucosamine
2. di-N-Acetylchitobiose
3. tri-N-Acetylchitotriose
4. tetra-N-Acetylchitotetraose
5. penta-N-Acetylchitopentaose
6. hexa-N-Acetylchitohexaose  
Column : Shodex Asahipak NH2P-40 2D (2.0 mm I.D. x 150 mm) Eluent : (A); 0.05 % Ammonia aq. (B); CH3CN Linear gradient; (B %) 75 % (0 min) -> 50 % (10 min) -> 50 % (15 min) Flow rate : 0.2 mL/min Detector : ESI-MS (SIM Negative) Column temp. : 30 ℃
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