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基于液质联用的莱茵衣藻极性甘油酯组定性定量分析

以模式藻株莱茵衣藻(Chlamydomonas reinhardtii)为材料,基于液质联用技术对其极性甘油酯组进行定性定量分析。通过综合利用UPLC-ESI-Q-Trap/MS的一级质谱扫描(中性丢失或母离子扫描)及UPLC-ESI-Orbitrap/MS~2的二级碎片信息扫描,共鉴定出109种极性甘油酯分子;再通过外标法利用UPLC-ESI-Q-Trap/MS在多级反应监测模式下对各分子进行靶向定量分析。结果表明,莱茵衣藻的极性脂以糖脂MGDG、DGDG及甜菜碱脂DGTS为主 ...
孟迎迎, 杨淼, 薛松, 褚亚东
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Studies on Petal Coloration Mechanism and Chemotaxonomy of Herbaceous Peony

, 2008
本文以9 个芍药野生种（15 份种质）、104 个品种及2 个牡丹芍药组间杂种的花瓣为材料，利用液质联用技术鉴定了花瓣中的色素成分并探讨了芍药花色形成的化学机制和化学分类法。 结果表明，芍药花中主要含有5 种花青素，即芍药花素-3，5-二葡糖苷（ peonidin-3,5-di-O-glucoside ， Pn3G5G ）； 矢车菊素-3 ， 5- 二葡糖苷（ cyanidin-3,5-di-O-glucoside ， Cy3G5G ）； 天竺葵素-3 ， 5- 二葡糖苷 ...
贾妮
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[Research progress on the pretreatment and analysis of prohibited components of glucocorticoids in cosmetics]. [PDF]

Se Pu
Liu L, Xiao XH, Fang JH, Li GK.
europepmc   +1 more source

[Molecularly imprinted polymers： novel green preparation methods and cutting-edge applications review]. [PDF]

Se Pu
Li F, Jia B, Hu Q, He X, Chen L, Zhang Y.   +5 more
europepmc   +1 more source

Identification of flavonoids in the fruit skin and their composition difference among blueberry cultivars

, 2011
蓝莓是杜鹃花科（Ericaceae）越桔属（Vaccinium）多年生落叶或常绿灌木，果实深蓝色，是一类重要的小浆果。我国蓝莓的栽培品种主要分为高丛蓝莓、半高丛蓝莓和矮丛蓝莓三大类，其中高丛蓝莓又分为北高丛蓝莓和南高丛蓝莓两类。本研究以46 个蓝莓栽培品种的果实为材料，利用高效液相色谱（HPLC）和液质联用技术（HPLC-MS）对蓝莓果皮中的类黄酮成分进行了定性和定量分析，调查了蓝莓栽培品种果皮类黄酮组成的构成特点、多样性及品种间差异，主要结果如下： 1、蓝莓果皮中类黄酮化合物的结构鉴定 ...
李慧
core  

[Preparation of magnetic bifunctional materials for exosome capture from serum and phosphopeptide enrichment]. [PDF]

Se Pu
Wang ZR, Zheng HJ, Jia Q.
europepmc   +1 more source

[Research progress of molecular imprinting technology in the field of disease diagnosis and therapy]. [PDF]

Se Pu
Zhu R, Cai GP, Zheng HJ, Jia Q.
europepmc   +1 more source

[Rapid determination of venetoclax in plasma by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhu Y, Ma XL, Yu SL, Qiu L.
europepmc   +1 more source

[Design and synthesis of molecularly imprinted polymers and their applications in medical diagnosis and biocatalysis]. [PDF]

Se Pu
Song Q, Li X, Lyu Y.
europepmc   +1 more source

[Efficacy analysis of electrochemical detection of leukocyte esterase based on glucosyl ester in diagnosis of periprosthetic joint infection after knee arthroplasty in rabbits]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Luo N, Chen Q, Zeng T, Zuo H, Niu D, Shen B.   +5 more
europepmc   +1 more source