HSCCC-Tchebichef moment regression approach for enhanced quantification of oleuropein in olive leaf extracts [0.03%]
改进型Tchebichef矩回归法结合高速逆流色谱法测定橄榄叶提取物中苦参碱含量
Jules Muhire,Fu-Xin Zhang,Bao-Qian Liu et al.
Jules Muhire et al.
Oleuropein, a major bioactive phenolic compound from olive leaves, has attracted considerable interest for its health benefits. Targeted fractionation of oleuropein from crude extracts is hampered by the co-existence of numerous structurall...
Asymmetric flow field-flow fractionation coupled with inductively coupled plasma mass spectrometry for quality control of the grafting state of polystyrene on gold nanoparticles [0.03%]
利用毛细管等电聚焦-十二烷基硫酸钠-考马斯蓝法测定蛋白质含量及分子量
Amani Ben Azzouz,Valentin De Carsalade du Pont,Bertrand Lefrère et al.
Amani Ben Azzouz et al.
Nanoplastics are omnipresent not only in the environment, but can also be transmitted to humans, mainly via the food chain and by contaminating respiratory air. These pollutants have the ability to cross biological barriers, carried into th...
Modelling of analyte profiles and band broadening generated by interface loops used in two-dimensional liquid chromatography operated in the First-In-First-Out mode [0.03%]
一维到二维液相色谱中先入先出模式下接口产生的组分流形及展宽的模拟研究
Ali Moussa,Thomas Lauer,Bram Huygens et al.
Ali Moussa et al.
The shape and variance of the analyte bands introduced in the second-dimension column are important when developing 2D-LC methods as it affects parameters such as the first-dimension flow rate, the modulation time and the loop volume. Using...
Green analytical methods for simultaneous determination of levodopa, carbidopa, and benserazide in Parkinson's drugs: The preferable superiority of the capillary electrophoresis comparing to the standard high performance liquid chromatography [0.03%]
帕金森氏症药物中左旋多巴、卡比多巴和苯丝马宗的同时测定：毛细管电泳比高效液相色谱更具有绿色分析方法的优势
Thanh Dam Nguyen,Thi Huong Tu,Thi Minh Tam Nguyen et al.
Thanh Dam Nguyen et al.
In this study, the green analytical methods based on capillary electrophoresis with capacitively coupled contactless conductivity detection (CE-C⁴D) and high-performance liquid chromatography with diode-array detection (HPLC-DAD) were deve...
Enhanced affinity of C18 and L-lactyl co-modified silica particles toward chlorogenic acid for sensing applications [0.03%]
改性硅胶颗粒结合绿原酸性能的提升用于检测领域
Yoshimi Kanie,Makoto Fujiwara,Osamu Kanie
Yoshimi Kanie
Porous silica offers high surface area and chemical stability, making it ideal for chemical sensing applications. Its surface can be easily modified with functional groups to tailor molecular interactions, especially in aqueous environments...
Hydrophobic natural deep eutectic solvents as a green desorption media for parabens from solid sorbents: A proof-of-concept study [0.03%]
疏水性天然深共晶溶剂作为从固体吸附剂中解吸对羟基苯甲酸酯的绿色介质：一项概念验证研究
Emilia C Abraham,Sabrina B Mammana,Marcela A Michaut et al.
Emilia C Abraham et al.
A sustainable sample preparation method was developed to determine the concentrations of four parabens (methyl, ethyl, n-propyl, and n‑butyl paraben) in human urine. Initial experiments evaluated three sorbents, C18, PSA, and Florisil®, c...
Paola Dugo,Francesco Cacciola,Petr Česla
Paola Dugo
Hydrophobicity analysis of Chinese Hamster Ovary host cell proteins using analytical hydrophobic interaction chromatography and LC-MS [0.03%]
利用分析疏水相互作用色谱和LC-MS对中国仓鼠卵巢宿主细胞蛋白进行疏水性分析
Liang-Kai Chu,Tatiana Laremore,Ehsan Espah Borujeni et al.
Liang-Kai Chu et al.
The surface hydrophobicity of the host cell proteins (HCP) present in Chinese Hamster Ovary (CHO) cell cultures can have a significant effect on the design and performance of the downstream process. This study examined the use of analytical...
Molecular characterization of natural organic matter using complementary liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry techniques [0.03%]
基于互补的液相色谱-质谱和气相色谱-质谱技术的天然有机物分子特征研究
Liza Saharani Hamzah,Mi-Jin Choi,Seungyun Baik et al.
Liza Saharani Hamzah et al.
Given the impact of natural organic matter (NOM) on water quality and treatment, understanding its properties is essential in water chemistry. However, the heterogeneous nature of NOM presents analytical challenges. To address these, we emp...
Determination of several cationic pesticides in food of plant and animal origin using the QuPPe method and ion chromatography with tandem mass spectrometry [0.03%]
使用QuPPe方法和离子色谱-串联质谱法测定植物源性和动物源性食品中几种阳离子类农药残留量
Ann-Kathrin Schäfer,Walter Vetter,Michelangelo Anastassiades
Ann-Kathrin Schäfer
Several highly hydrophilic pesticides and metabolites are either permanently cationic or become cationic at low pH value. This makes them particularly suited for the analysis by ion chromatography (IC), especially since the suppressor techn...