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Separations, Volume 11, Issue 7

2024 July - 28 articles

Cover Story: Thallium is an accumulative toxic metal that can be present in environmental samples, and its determination in trace levels is necessary. Lab-in-syringe (LIS) is a simple, functional, and versatile technique that combines the operation concepts of flow and sequential injection analysis. In this work, a liquid-phase microextraction LIS system was developed as a front-end to flame atomic absorption spectrometry for the determination of thallium in water samples. Among the benefits of the method are its handling simplicity, the good figures of merit, and the increased operator’s safety. Due to the decreased chemical consumption, the novel system complies with many requirements of green analytical chemistry and green sample preparation, while it ensures high applicability. View this paper
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Articles (28)

  • Article
  • Open Access
2 Citations
3,641 Views
14 Pages

Hydrogen–Water Isotope Catalytic Exchange Process Analysis by Simulation

  • Jingwei Hou,
  • Jiamao Li,
  • Chengjian Xiao,
  • Heyi Wang and
  • Shuming Peng

The hydrogen–water isotope catalytic exchange process has been widely applied in the tritium-containing water treatment process. It can be compared and analyzed conveniently with process simulation software. In this study, the catalytic exchang...

  • Article
  • Open Access
3 Citations
3,368 Views
17 Pages

Comparison of Scenedesmus obliquus in CO2 Capture, Biolipid Production and Nutrient Removal

  • Wenwen Cao,
  • Hongfei Yu,
  • Wei Dong,
  • Zijia Rong,
  • Dianbao Peng,
  • Fukun Chen and
  • Lixin Li

The cultivation of microalgae from municipal wastewater, while simultaneously removing nutrients from the water column, has the potential to aid biodiesel production and carbon dioxide fixation, thereby alleviating the pressure of energy shortages. I...

  • Article
  • Open Access
1,782 Views
9 Pages

Synthesis and Biological Evaluation of Desacetylmatricarin Derivatives Isolated from Basin Big Sagebrush

  • N. Evelin Paucar,
  • Shanae Van Leuven,
  • Karl De Jesus,
  • Srinath Pashikanti,
  • Sameena Mateen,
  • Samjhana Pradhan and
  • Kavita Sharma

Desacetylmatricarin, a sesquiterpene lactone (SL), is the major component extracted from the aerial parts of basin big sagebrush (Artemisia tridentata subsp. tridentata). The medicinal benefits of desacetylmatricarin have not been fully exploited; th...

  • Article
  • Open Access
4 Citations
1,978 Views
13 Pages

We used the Vienna ab initio Simulation Package (VASP), X-ray photoelectron spectroscopy (XPS) and diffuse reflectance (DRS) to optimize anode material for a photoelectric catalytic system. After screening how the doping of TiO2 by N and S affects it...

  • Article
  • Open Access
1 Citations
2,385 Views
18 Pages

Removal of Emerging Contaminants from Water by Using Carbon Materials Derived from Tingui Shells

  • Débora dos Santos,
  • Wardleison Moreira,
  • Thiago de Araújo,
  • Maria Bernardo,
  • Isabel Fonseca,
  • Indianara Ostroski and
  • Maria Angélica de Barros

This study explored the adsorption of acetaminophen and caffeine using CO2-activated biochar (BT-CO2) and hydrochar (HT-CO2) derived from Tingui shell biomass. The experimental data from kinetic and equilibrium adsorption tests were employed in batch...

  • Article
  • Open Access
1,820 Views
16 Pages

The subject of this study was to compare the enantioseparation of fourteen racemic esters that are liquid crystals. This study aimed to determine the difference in the enantioseparation of mixtures with protonated and fluorinated aliphatic chains and...

  • Article
  • Open Access
2 Citations
1,981 Views
11 Pages

The Effect of Yinchenhao Decoction on the Pharmacokinetic Profile of Futibatinib by HPLC-MS/MS

  • Chunfu Wang,
  • Songmao Liang,
  • Jiachen Xu,
  • Yingfan Zhai,
  • Jianghui Chen and
  • Xiangjun Qiu

Futibatinib is an excellent fibroblast growth factor receptor 1–4 (FGFR 1–4) inhibitor that exhibits selective anti-tumor activeness against FGFR-deregulated tumors. A new high-performance liquid chromatography-tandem mass spectrometry (H...

  • Article
  • Open Access
1 Citations
1,802 Views
19 Pages

The Mechanism of Air Blocking in the Impeller of Multiphase Pump

  • Sicong Zhang,
  • Wei Han,
  • Tongqing Xue,
  • Pan Qiang,
  • Rennian Li and
  • Jiandong Mi

The exploitation and transportation of deep-sea and remote oil and gas fields have risen to become important components of national energy strategies. The gas–liquid separation and gas blocking caused by the large density difference between the...

  • Article
  • Open Access
1 Citations
1,976 Views
13 Pages

Dendrobium stem is a valuable food with medicinal and edible properties. Due to its high medicinal value and price, closely related Dendrobium varieties are often sold as imitations on the market. Therefore, there is an urgent need to develop new met...

  • Article
  • Open Access
3 Citations
2,536 Views
18 Pages

Bacterial co-infected pneumonia is an acute inflammatory reaction of the lungs mainly caused by Gram-negative bacteria. Antibiotics are urgently important but have the disadvantage of antibacterial resistance, and alternative treatments with medicina...

  • Article
  • Open Access
5 Citations
3,074 Views
21 Pages

Isolation of Arborescin from Artemisia absinthium L. and Study of Its Antioxidant and Antimicrobial Potential by Use of In Vitro and In Silico Approaches

  • Asmae Hbika,
  • Amine Elbouzidi,
  • Mohamed Taibi,
  • Safae Ouahabi,
  • El Hassania Loukili,
  • Abdelhamid Bouyanzer,
  • Meryem Idrissi Yahyaoui,
  • Abdeslam Asehraou,
  • Naoufal El Hachlafi and
  • Elkhadir Gharibi
  • + 4 authors

This study focused on developing an innovative, straightforward, and economical method utilizing a mixture of readily available solvents to extract arborescin (C2OH2OO8) crystals from Artemisia absinthium L. (A. absinthium). The structural elucidatio...

  • Article
  • Open Access
5 Citations
3,205 Views
15 Pages

The Volatile Compounds Composition of Different Parts of Wild Kazakhstan Sedum ewersii Ledeb.

  • Tatyana Kobylina,
  • Andriy Novikov,
  • Gulbanu Sadyrova,
  • Elzira Kyrbassova,
  • Saltanat Nazarbekova,
  • Elmira Imanova,
  • Meruyert Parmanbekova and
  • Bekzat Tynybekov

The chemical composition of Sedum ewersii Ledeb., a plant indigenous to Kazakhstan and traditionally utilized in folk medicine, was comprehensively investigated, with a focus on its various plant parts. Fresh samples collected in May 2023 from the Al...

  • Article
  • Open Access
1 Citations
4,428 Views
18 Pages

In this study, a high-performance thin-layer chromatography (HPTLC)-based method was developed for the quantification of five water-soluble vitamins, B2, B3, B6, B12, and C, using ethanol–water (70:30, v/v) as the mobile phase. The method was v...

  • Article
  • Open Access
3 Citations
2,080 Views
18 Pages

Effects of Extraction Methods on Volatile Oil Profiles of Cinnamomi ramulusZingiberis rhizoma recens Couplet Medicines

  • Xiaodong Xin,
  • Xinnong Li,
  • Jiabao Chen,
  • Chuanghui Shen,
  • Xiaohan Shi,
  • Lei Wang and
  • Chunhua Li

Cinnamomi ramulus (CR, Guizhi in Chinese) and Zingiberis rhizoma recens (ZRR, Shengjiang in Chinese) are couplet medicines (drug pairs or drug combinations) in traditional Chinese medicine prescriptions. They contain a high amount of volatile oils wh...

  • Review
  • Open Access
7 Citations
7,017 Views
29 Pages

Methods of Analysis of Phytoestrogenic Compounds: An Up-to-Date of the Present State

  • Ines Adam-Dima,
  • Andreea Alexandra Olteanu,
  • Octavian Tudorel Olaru,
  • Daniela Elena Popa and
  • Carmen Purdel

Phytoestrogens, natural compounds with structural similarity to 17-β-estradiol, are known to have potential health benefits, including in hormone-dependent malignancies. The therapeutic interest and some safety concerns observed triggered the ne...

  • Review
  • Open Access
47 Citations
13,911 Views
14 Pages

Ferulic acid is a widespread phenolic compound that occurs in seeds and leaves, both in its free form and conjugated to polysaccharides, carbohydrates, glycoproteins and lignins in the plant cell walls. It exhibits various biological activities, like...

  • Review
  • Open Access
29 Citations
7,922 Views
15 Pages

Over the years, monitoring the quality of the environment, food, and human health has emerged as a fundamental objective of scientific investigation. Various analytical techniques have been devised and continually refined to ensure a high standard of...

  • Article
  • Open Access
1,508 Views
13 Pages

In the continuous scaling-up process of the separating system, a mechanism exists that transforms the behavior of the flow field, resulting in deviations from the original model and conclusions. The paper examined the effects of the scale up of a flu...

  • Article
  • Open Access
3 Citations
3,457 Views
16 Pages

Sandalwood essential oil, known for its rich content of phenolic and flavonoid compounds, holds great promise for applications in perfumery and medicine. However, traditional production methods have raised concerns regarding their environmental impac...

  • Article
  • Open Access
1 Citations
1,788 Views
9 Pages

Lithium (Li) is vital to the world economy as an irreplaceable element in new-generation sustainable energy applications. Quantifying Li levels in clay minerals, a key new resource, supports extensive mineralization surveys. The major limitation in t...

  • Article
  • Open Access
15 Citations
4,153 Views
25 Pages

Extraction of Bioactive Compound-Rich Essential Oil from Cistus ladanifer L. by Microwave-Assisted Hydrodistillation: GC-MS Characterization, In Vitro Pharmacological Activities, and Molecular Docking

  • Naoufal El Hachlafi,
  • Fahd Kandsi,
  • Amine Elbouzidi,
  • Fatima Zahra Lafdil,
  • Ghizlane Nouioura,
  • Emad M. Abdallah,
  • Rhizlan Abdnim,
  • Mohamed Bnouham,
  • Samiah Hamad Al-Mijalli and
  • Kawtar Fikri-Benbrahim
  • + 1 author

Cistus ladanifer L. is an aromatic and resinous perennial shrub commonly used in Moroccan folk medicine against a range of illnesses including skin problems, diabetes, diarrhea, and inflammation. The current investigation aims to determine the bioact...

  • Article
  • Open Access
1 Citations
4,499 Views
18 Pages

Improved Expression of Aggregation-Prone Tau Proteins Using a Spidroin-Derived Solubility Tag

  • Kevin Muwonge,
  • Bedri Yaman,
  • Attila Mészáros,
  • Giorgio Russo,
  • Alexander Volkov and
  • Peter Tompa

Tauopathies, a group of neurodegenerative disorders, are characterized by the abnormal aggregation of microtubule-associated Tau proteins in neurons and glial cells. The process of Tau proteins transitioning from soluble, intrinsically disordered mon...

  • Article
  • Open Access
4 Citations
3,217 Views
14 Pages

Millions of individuals throughout the world suffer from lymphatic filariasis (LF), which is a morbid disease caused by Wuchereria bancrofti, Brugia malayi, and Brugia timori. These infections belong to tissue-invading nematodes and are one of the ma...

  • Review
  • Open Access
15 Citations
9,255 Views
21 Pages

The recycling of used lithium-ion batteries has become a growing concern. As a large number of rare metal elements are present in waste lithium-ion batteries, recycling them can significantly improve resource utilization and reduce the material cost...

  • Review
  • Open Access
16 Citations
7,850 Views
30 Pages

Puerariae lobatae Radix: Progress in Extraction, Separation Methods and Pharmacological Activities Research

  • Erjian Gao,
  • Wei Wang,
  • Yuanyuan Huang,
  • Zhijie Luo,
  • Bangzheng Chen,
  • Siqiu Xiao and
  • Dewen Li

Kudzu root (Puerariae lobatae Radix) is the tuberous root of Pueraria lobata, family Leguminosae. Kudzu root contains a variety of beneficial active ingredients such as puerarin, daidzin, daidzein, genistenin, 3′-hydroxy puerarin, β-sitost...

  • Article
  • Open Access
1 Citations
2,007 Views
15 Pages

Rapid Discovery of Antimicrobial and Antimalarial Agents from Natural Product Fragments

  • Jianying Han,
  • Xueting Liu,
  • Lixin Zhang,
  • Wesley C. Van Voorhis,
  • Ronald J. Quinn and
  • Miaomiao Liu

Fragment-based drug discovery (FBDD) focuses on small compounds, known as fragments, typically with a molecular weight of less than 300 Da. This study highlights the benefits of employing a pure natural product library for FBDD, contrasting with the...

  • Article
  • Open Access
5 Citations
2,819 Views
11 Pages

Thallium is an accumulative highly toxic metal, that can be present in environmental samples due to industrial pollution and is dangerous for living organisms. Thus, its determination at trace levels is necessary. The lab-in-syringe (LIS) is consider...

  • Article
  • Open Access
2,172 Views
13 Pages

This study investigated a new method for controlling the emission of fine particles through heterogeneous condensation. Specifically, the research focuses on the application of single-tower double-cycle desulfurization technology in the wet flue gas...

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Separations - ISSN 2297-8739