Green ultrasound-assisted extraction of flavonoids from Scutellariae Radix using deep eutectic solvents: A hybrid BBD-ANN-GA optimization strategy and mechanistic insights [0.03%]
基于丁二酸和乙二胺的深共晶溶剂绿色超声辅助提取黄芩总黄酮：Box-Behnken混合遗传算法优化及机制研究
Qiuyue Hu,Ruochen Qi,Xindi Feng et al.
Qiuyue Hu et al.
Deep eutectic solvents (DESs) have emerged as promising green alternatives to conventional organic solvents for the sustainable extraction of bioactive compounds from medicinal plants. In this study, a DES-based extraction system enhanced b...
In-depth profiling of essential oils from Portuguese forest trees using GC-based methods: biogenic volatile characterization and thermal degradation relevant to fire risk [0.03%]
基于GC的方法对葡萄牙森林树木精油进行深入剖析：生物挥发性特征和与火灾风险相关的热降解
Oriana C Gonçalves,Cátia Martins,Sílvia M Rocha et al.
Oriana C Gonçalves et al.
This study reports the characterization of biogenic volatile organic compounds (BVOCs) present in the essential oils (EOs) extracted from major tree species in Portugal: Eucalyptus globulus Labill., Pinus pinaster Aiton, Quercus robur L., a...
Elucidating the underlying mechanism of the total breakthrough phenomenon in reversed-phase liquid chromatography [0.03%]
阐明反相液相色谱中总穿透现象的内在机制
Matthias Miertz,Raf Dewil,Deirdre Cabooter
Matthias Miertz
The increasing adoption of two-dimensional liquid chromatography (2D-LC) for the separation of complex samples has driven the development of various modulation strategies to overcome solvent-strength mismatch when combining orthogonal separ...
Controllable preparation of honeycomb supermacroporous core-shell SiO2 coated with cellulose-derivate and investigation of confinement effect on chiral separation performance [0.03%]
可控构建蜂窝状大孔二氧化硅手性壳层材料并研究其限域效应及拆分性能
Yifei Hu,Min Zhu,Mengqing Zhang et al.
Yifei Hu et al.
The separation of enantiomers is of significant importance in pharmaceutical production and chemical synthesis. In this work, a novel kind of honeycomb supermacroporous core-shell SiO2 (HSC-SiO2) was controllably synthesized via an etching ...
High-pressure hydrolysis: A rapid sample preparation strategy for amino acid analysis of complex biological matrices [0.03%]
高压水解法：复杂生物基质氨基酸分析的快速样品前处理策略
Shucong Li,Liushuang Meng,Zhu Qin et al.
Shucong Li et al.
The extended acid hydrolysis step (typically 20-24 h) is a pervasive bottleneck in amino acid analysis, particularly for complex, protein-rich biological matrices. To overcome this, we developed and rigorously validated a novel high-pressur...
High-performance countercurrent chromatography isolation of flavonoids from a cytotoxic extract of Andira parviflora (Ducke) waste wood from the Amazon region [0.03%]
高效.counter-current.chromatography.法从亚马逊地区安德里亚(parviflora).杜克废木中的一种细胞毒提取物中分离黄酮类化合物
Isadora Moita de Araújo,Sarah Larissa Gomes Flores,Gilda Guimarães Leitão et al.
Isadora Moita de Araújo et al.
Andira parviflora Ducke (Fabaceae), known as "sucupira vermelha", is mainly found in dryland forests of the Amazon region. Due to its large size and dense wood, the timber industry widely uses the species. Nevertheless, there are few studie...
Normalized solvent-strength sensitivity for gradient separations: Comparing effective column lengths across reversed-phase and ion-exchange chromatography [0.03%]
反相和离子交换色谱梯度分离的有效柱长比较：正则化溶剂强度灵敏度
Szabolcs Fekete,Christine Vo,Wan-Chih Su
Szabolcs Fekete
The linear solvent strength (LSS) model provides a robust framework for predicting retention in reversed-phase liquid chromatography (RPLC), but its extension to ion-exchange chromatography (IEX) requires normalization of the solvent-streng...
Magnetic nitrogen-doped porous carbon sorbents derived from NH2-MIL-88(Fe) for efficient extraction of chloramphenicol in honey samples [0.03%]
用于蜂蜜样品中氯霉素高效提取的磁性氮掺杂多孔碳吸附剂的制备及性能研究（基于NH2-MIL-88(Fe)）
Aihong Tang,Yujuan Cao,Manli Guo et al.
Aihong Tang et al.
Magnetic porous carbon (MPC) materials derived from metal-organic frameworks (MOFs) inherit the high porosity and tunable pore structure of MOFs and also endow the materials with magnetic response, demonstrating great potential for magnetic...
A rapid in-situ method based on liquid-phase nanoextraction for the determination of perfluorinated compounds in cerebrospinal fluid [0.03%]
基于液相纳米萃取的脑脊液中全氟化合物快速现场检测方法
Xinyang Zhang,Long Cai,Mengqing Cui et al.
Xinyang Zhang et al.
Perfluorinated compounds (PFCs) are emerging pollutants with strong bioaccumulation and stability, and potential risks to human health. Biological samples are usually limited in volume and content trace levels of target analytes, thus requi...
Comprehensive exploration and comparison of chemical constituents of Paris polyphylla var. chinensis and Paris polyphylla var. yunnanensis through two-dimensional chromatography, metabolomic analysis and furostanosides quantitation [0.03%]
应用二维色谱、代谢组学分析及环烯醚萜苷定量法全面探索并比较Paris polyphylla var. chinensis和Paris polyphylla var. yunnanensis的化学成分
Liangjun Guan,Liang Ji,Liangmian Chen et al.
Liangjun Guan et al.
Paris polyphylla var. chinensis (PPC) and Paris polyphylla var. yunnanensis (PPY) were recognized as two legal species of Paridis Rhizoma in the Chinese Pharmacopoeia, exhibiting distinct chemical profiles primarily in terms of spirostanosi...