搜索结果: 1-7 共查到“生物医学工程 HPLC”相关记录7条 . 查询时间(0.295 秒)
HPLC手性固定相法拆分恩替卡韦光学异构体
高效液相色谱法 恩替卡韦 Chiralpak AD-H 手性拆分
2012/3/30
建立恩替卡韦5个光学异构体的高效液相色谱拆分方法。采用Chiralpak AD-H手性柱（250 mm×4.6 mm，5 μm）在正相条件下进行同时拆分，流动相为正己烷-异丙醇-乙醇-二乙胺（70∶6∶24∶0.1），流速为0.5 mL/min，检测波长为254 nm，柱温为30℃。色谱条件的优化过程中，考察了流动相组成及比例、酸碱添加剂、流速、柱温等因素对恩替卡韦异构体分离的影响。在所建立的条...
HPLC同时测定人参须根中人参炔醇和人参环氧炔醇的含量
人参须根 人参炔 人参环氧炔醇 HPLC
2012/7/27
建立同时测定人参须根中人参炔醇和人参环氧炔醇含量的方法。 方法 :采用Elite C18色谱柱 (4.6 mm×150 mm,5 μm);流动相为乙腈-水,梯度洗脱,流速1.0 mL·min-1,检测波长230 nm,柱温室温。 结果 :人参炔醇和人参环氧炔醇分别在0.70~3.50 μg(r=0.999 5)和0.64~3.20 μg(r=0.999 9)呈良好线性关系,平均回收率分别为99.1...
HPLC同时测定人参药材中12种人参皂苷的含量
人参 人参皂苷 HPLC 含量测定
2012/8/2
建立HPLC测定人参药材中12种人参皂苷含量的方法。 方法 :采用lunna NH2色谱柱 (4.6 mm×150 mm,5 μm);流动相为乙腈-水梯度洗脱,流速1.0 mL·min-1,检测波长203 nm,柱温为室温。 结果 :12种人参皂苷Rh2,Rh1,Rg2,Rg3,Rg1,Rf,Re,Rd,Rc,Rb2,Rb3,Rb1在60 min内达基线分离,线性关系良好(r≥ 0.999 5)。...
Development and Validation of a New HPLC Method for the Determination of Gabapentin
gabapentin potassium iodate potassium iodide high performance liquid chromatography
2009/4/8
A simple HPLC method was developed and validated for quantitation of gabapentin in pure form. The HPLC separation was achieved on a C18 5 μm Waters column (150 mm × 4.6 mm) using a mobile phase of met...
Arsenic Speciation and Distribution in the Extracts from Salmon Egg Cell Cytoplasm and Cell Membrane by HPLC/ICP-MS
arsenic speciation egg cell cell cytoplasm
2009/4/1
Speciation of arsenic in the extracts from salmon egg cell cytoplasm and cell membrane was carried out by an HPLC/ICP-MS hyphenated system. The extraction of arsenic species from salmon egg cells was ...
Speciation of Some Biometals in Salmon Egg Cell Cytoplasm by Two-Dimensional HPLC/ICP-MS
metalloprotein salmon egg cell cytoplasm speciation two-dimensional HPLC desalting
2009/4/1
A two-dimensional (2D) HPLC/ICP-MS hyphenated system was developed and applied to speciation of biometals in salmon egg cell cytoplasm. The 2D HPLC was based on the combination of surfactant-mediated ...
Development of Miniaturized HPLC-ICP-MS for Speciation of Bio-Trace Elements
hyphenated technique HPLC ICP-MS metallothionein RNAi
2009/3/16
The advent of miniaturized HPLC techniques, i.e., narrow bore, capillary, and nano HPLC, hyphenated with an inductively coupled plasma-mass spectrometer(ICP-MS)in speciation is expected to pave the wa...