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Separations, Volume 9, Issue 12

December 2022 - 67 articles

Cover Story: Metribuzin is a pre- and post-emergence triazinone herbicide used to control annual grass and broad-leaved weeds in a variety of crops. The evaluation of this chemical on environmental and human health concluded that this pesticide has toxicity even at low doses. In environmental conditions, metribuzin degrades into three main metabolites: diketo-metribuzin, desamino-metribuzin, and desamino-diketo-metribuzin. These have high water solubility and soil mobility, so crop uptake is expected. Different methods have been reported for the determination of metribuzin but are scarce for its metabolites, particularly via gas chromatography. This study develops a fast and sensitive method for the analysis of metribuzin and three metabolites in soil and plants by UAE and GC-MS/MS that will allow monitoring their presence in food and the environment. View this paper
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Articles (67)

  • Article
  • Open Access
2,759 Views
21 Pages

A Novel Method for Simulating Micro-Scale Water Droplet Movements

  • Zhijie Lin,
  • Zhongtian Hu,
  • Senyu Lou,
  • Lingling Guo and
  • Jingjing Chen

19 December 2022

Micro-scale fluids are tiny droplets that adhere to the surface of an object as a result of rainfall, perspiration, etc. Micro-scale fluid simulation is widely used in fields such as film and games. The existing state-of-the-art simulation methods ar...

  • Article
  • Open Access
8 Citations
2,434 Views
13 Pages

Effect of Alkali Cation on Performance of Alkali-Activated Slag Mortar in Cold Environments

  • Cheng Ju,
  • Rongrong Ye,
  • Yunfei Wu,
  • Pengfei Sun,
  • Yushi Liu and
  • Yingzi Yang

19 December 2022

Alkali-activated slag (AAS) is a promising cementing material for winter construction due to its continuous hydration at sub-zero temperature. In order to obtain a higher mechanical strength of AAS mortar in winter construction, the most efficient al...

  • Article
  • Open Access
3 Citations
2,899 Views
16 Pages

High Value-Added Utilization of Waste Hydrodesulfurization Catalysts: Low-Cost Synthesis of Cathode Materials for Lithium-Ion Batteries

  • Junbo Zhou,
  • Lang Qiu,
  • Yao Li,
  • Yuting Deng,
  • Qing Zhao,
  • Yang Hu,
  • Fuqiren Guo,
  • Chaoqiong Zhu,
  • Benhe Zhong and
  • Yang Song
  • + 1 author

19 December 2022

This work introduces a one-step method for the preparation of layered oxide cathode materials utilizing pure Ni and Co mixed solution obtained from the waste hydrodesulfurization (HDS) catalyst. An efficient non-separation strategy with pyrometallurg...

  • Review
  • Open Access
4 Citations
3,124 Views
35 Pages

16 December 2022

Serratula L. and Klasea Cass. are two systematically related genera of the family Asteraceae, which are distributed in most of the Eurasia area and are used as food and colorants and in traditional medicines as a drug. Since 1967, 261 metabolites hav...

  • Article
  • Open Access
17 Citations
3,406 Views
18 Pages

Phytochemical, Antimicrobial, Antioxidant, and In Vitro Cytotoxicity Evaluation of Echinops erinaceus Kit Tan

  • Sherouk Hussein Sweilam,
  • Fatma M. Abdel Bar,
  • Ahmed I. Foudah,
  • Mohammed H. Alqarni,
  • Nouran A. Elattal,
  • Omayma D. El-Gindi,
  • Moshera M. El-Sherei and
  • Essam Abdel-Sattar

16 December 2022

Wild plants are used by many cultures for the treatment of diverse ailments. However, they are formed from mixtures of many wanted and unwanted phytochemicals. Thus, there is a necessity to separate the bioactive compounds responsible for their biolo...

  • Article
  • Open Access
5 Citations
3,148 Views
15 Pages

Purification of Two Taxanes from Taxus cuspidata by Preparative High-Performance Liquid Chromatography

  • Yajing Zhang,
  • Zirui Zhao,
  • Wenlong Li,
  • Yuanhu Tang,
  • Huiwen Meng and
  • Shujie Wang

16 December 2022

In the present study, an effective method of preparative high-performance liquid chromatography (Prep-HPLC) was established to purify two taxanes in Taxus cuspidata. During the experimental operation, the effects of flow rate, injection volume, and c...

  • Article
  • Open Access
1 Citations
2,541 Views
9 Pages

Efficient Production of Antioxidants from Rape Pollen via a Chromatographic Strategy

  • Liugen Jin,
  • Haiqing Liu,
  • Xueliang Liu,
  • Ke Gu,
  • Minchen Wu and
  • Jianfeng Huang

15 December 2022

Rape pollen has always been considered as a research hotspot in health foods and pharmaceuticals due to its abundance of natural active ingredients. In this work, a compound with antioxidant activity was directly isolated from the methanol extract of...

  • Review
  • Open Access
5 Citations
3,438 Views
17 Pages

15 December 2022

The ozone/peroxymonosulfate (O3/PMS) system has attracted widespread attention from researchers owing to its ability to produce hydroxyl radicals (•OH) and sulfate radicals (SO4•−) simultaneously. The existing research has shown that...

  • Article
  • Open Access
5 Citations
4,016 Views
14 Pages

15 December 2022

To characterize and compare the protein quality of ten durum wheat genotypes grown under three cropping modalities in Algeria (subhumid in Algiers, subhumid-semiarid in Constantine, and semiarid in Sétif), the protein profile of their kernels...

  • Article
  • Open Access
14 Citations
3,527 Views
10 Pages

Testing Thymol-Based DES for the Elimination of 11 Textile Dyes from Water

  • Lorena Villar,
  • Óscar Martínez-Rico,
  • Andrés Asla,
  • Ángeles Domínguez and
  • Begoña González

15 December 2022

Textile industries release dangerous wastewater that contain dyes into the environment. Due to their toxic, carcinogenic and mutagenic nature, they must be removed before the discharge. Liquid–liquid extraction has proven to be an efficient met...

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Separations - ISSN 2297-8739