Methods � � - Ty - Folate was synthesized by conjugating folic acid to tyrosine methyl ester through EDC and hydrolyzing. 方法 叶酸(Folate) 与酪氨酸甲酯通过EDC连接,水解后生成叶酸酪氨酸复合物(γTyFolate).
...a billionth of a second.十亿分之一秒UNIT NINETEENA nanometer is one billionth of a meter ( 3~4 atoms wide 2 ).一纳米即十亿分之一米 ( 可以排列三四个原子 ).The centimeter - gram - second electromagnetic unit of inductance, equal to one billiont...