Enhanced sensitivity and characterization with our full range of single quadrupole, triple quadrupole, and Orbitrap mass spectrometers Highly dependable diode array detection Highly selective and sensitive fluorescence detection Near universal response for label-free detection of non-chromophoric substances with...
3)传质阻抗(mass transfer resistance)。由于溶质分子在流动相、静态流动相和固定相中的传质过程而导致的峰展宽。溶质分子在流动相和固定相中的扩散、分配、转移的过程并不是瞬间达到平衡,实际传质速度是有限的,这一时间上的滞后使色谱柱总是在非平衡状态下工作,从而产生峰展宽。液相色谱的传质阻抗项Cu又分为三项。
Application Note: HIC as a Complementary, Confirmatory Tool to SEC for the Analysis of mAb Aggregates Application Note: Analysis of Monoclonal Antibodies and Their Fragments by Size-Exclusion Chromatography Coupled with an Orbitrap Mass Spectrometer ...
Enhanced sensitivity and characterization with our full range of single quadrupole, triple quadrupole, and Orbitrap mass spectrometers Highly dependable diode array detection Highly selective and sensitive fluorescence detection Near universal response for label-free detection of non-chromophoric substances with...
2021年1月,来自大连医科大学第一附属医院的乐卫东教授及其团队在Molecular Neurodegeneration在线发表了Comprehensive metabolic profiling of Parkinson’s disease by liquid chromatography-mass spectrometry的研究论文,在这项研究中作者利用基于LC-MS的非靶向代谢组学方法来研究3个特征明确的队列中与PD相关的代谢变化,对PD患...
Poster Note: Assigning Adduct and Charge States to High-resolution Accurate-mass Mass Spectral Data Using Frequency of Assignment in Multiple Difference Networks Poster: Fast UHPLC Methods for Analysis of Amino Acids Advances in Neurochemical Profiling of Brain Tissue Samples Using HPLC with a Novel ...
and drugs. HPLC can be coupled to various detectors such as UV, fluorescence ormass spectrometry(LC/MS and LC/MS/MS) and is routinely used for quantitative analysis in biological samples such as blood, urine and other body fluids. HPLC consists of using a liquid mobile phase to pass under...
2or 1and 1Vanquish Quaternary Pump F2or 2or 1and 1Vanquish Quaternary Pump F or 1Vanquish Dual Pump F2or 2or 1and 1Vanquish Quaternary Pump C or 1Vanquish Dual Pump C Autosampler Download Specification Sheet Vanquish Split Sampler HTVanquish Split Sampler FTVa...
(GC-MS) was used to identify and analyze the flavor substances in five fresh edible fungi. Mass spectra data were tandem retrieved using the NIST11.L standard spectral library. The matching degree greater than 80% was identified as the correct material. The relative content of each volatile ...
a high-performance liquid chromatography-diode-array detection-mass spectrometry (HPLC-DAD-MS) method was successfully applied to the simultaneous characterization and quantitation of 18 constituents in 28Z. jujubasamples, comprised...