应用立体定向法将胎兔脑干中缝核未分化的5-HT能性神经元移植至成年兔大脑中动脉阻断型(MCAO)脑缺血灶内.2个月后用高效液相色谱电化学法(HPLC-EC)定量分析其5-HT含量.结果证实移植组5-HT含量显著高于对照组(P<0.05).提示移植细胞在宿主体内存活良好.HPLC-EC是一个超微量测定递质的先进方法.张天锡,姜智南,赵卫国...
摘要: 目的建立高效液相色谱-电化学检测法(HPLC-EC)测定人血浆中地红霉素的活性代谢物红霉素胺浓度.方法以吲达帕胺为内标,血浆经碱化采用二氯甲烷提取,色谱柱为KromasilC18,流动相甲醇:乙腈:pH 7.8磷酸盐缓冲液为13:40:47,流速为0.7 mL/min,电化学检测器工作电压为+0.9 V.结果红霉素胺血浆浓度在13.8～460 ng/...
表儿茶素 (epicatechin,EC) 是一种天然植物黄烷醇化合物,是儿茶素的同分异构体,广泛存在于森登、附子、何首乌、鸡血藤、卫矛和药用百合卷丹等中药材中。具有抗氧化、清除自由基、加强新陈代谢、调节免疫和抗肿瘤等功能,同时还有诸多光谱抑菌效果,被认为具有极大的疾病预防潜力 迪信泰检测平台采用高效液相色谱(HPLC)法...
必应词典为您提供hplc-ec的释义,网络释义: 电化学法;高效液相色谱电化学法;高效能液相层析;
1) HPLC_EC 高效液相色谱_电化学检测2) high performance liquid chromatography-electrochemical and ultraviolet detections 高效液相色谱-电化学检测-紫外检测法3) HPLC-ECD 高效液相色谱电化学检测 1. To establish a High Performance Liquid Chromatography with electrochemical detection(HPLC-ECD) method for ...
Roettger VR, Goldfinger MD (1991) HPLC-EC determina- tion of free primary amino acid concentration in cat cisternal cerbrospinal fluid. J Neurosci Methods 39, 263-270.w16x V.R. Roettger, M.D. Goldfinger, HPLC-EC determination of free primary amino acid concentrations in cat cisternal ...
HPLC_EC检测法测定血浆中的罗红霉素
采用HPLC法测定维生素EC片中维生素E的含量ECECC蛋白质的代谢,保持血管完整性;维生素EEC用可发挥协同抗氧化作用。维生素E含量测定主要分析方法有氧化还原滴定(铈量法、GC法[1]、UV法[2]发光抑制法[3][4]HPLC法[5]UV法被《中国药典》2010ECEC片复方制剂的含量测定。氧化还原滴定也曾作为维生素EE的含量测定的相关...
The HPLC-EC technique avoids such specificity problems and enables the rapid assay of several peptides in appropriate samples. Recent developments to improve the sensitivity of the HPLC-EC procedure are described, and a comparison presented of the brain and pituitary tissue levels of the neuropeptide...
We compared the results obtained by the LC-MS/MS and the HPLC-EC methods for patient specimens routinely screened for pheochromocytoma (Fig. The data confirmed that the upper limits of the reference intervals were 0.90 nmol/L for NMN and 0.50 nmol/L for MN, which were established with the ...