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Separations, Volume 11, Issue 3

March 2024 - 25 articles

Cover Story: A recent study has made progress in biodiesel production by implementing continuous column extraction. This method utilizes a deep eutectic solvent (DES) to extract glycerol from biodiesel made from waste cooking oils. A focal point of the study was the use of a laboratory Karr column, where variations in mixing intensities and DES to biodiesel mass ratios were explored. The efficiency of this process was influenced by the choice of plate material and geometry, with steel plates exhibiting superior results compared to PETG plates. This was further confirmed through contact angle measurements and an array of analytical techniques. The study's findings provide insights into biodiesel production, emphasizing the importance of process optimization in pursuing environmentally sustainable energy solutions. View this paper
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Articles (25)

  • Brief Report
  • Open Access
3 Citations
3,309 Views
9 Pages

Tofacitinib citrate (RR-isomer) is a janus kinase (JAK) inhibitor approved for the treatment of rheumatoid arthritis (RA) in adults who have had an inadequate response or intolerance to methotrexate. The presence of the enantiomer of tofacitinib citr...

  • Article
  • Open Access
3 Citations
2,879 Views
17 Pages

Chemical composition is a critical factor for determining the efficacy of any traditional Chinese medicine (TCM) and can be used as an indicator of commercial quality. To develop a new strategy for discovering potential quality markers (Q-markers) of...

  • Article
  • Open Access
3 Citations
2,789 Views
12 Pages

Xuetong, the dried stem of Kadsura heteroclita (Roxb.) Craib, is a traditional Tujia medicine extensively used to treat rheumatoid arthritis (RA). All traditional Chinese medicines (TCMs) necessitate a processing stage called “Paozhi” bef...

  • Article
  • Open Access
4 Citations
2,839 Views
17 Pages

The Phosphorus Adsorption and Recovery of Mg/Fe-LDHs Mulberry Rod Biochar Composite

  • Meina Liang,
  • Zimeng Wu,
  • Haiyan Cao,
  • Kun Dong,
  • Shaoyuan Bai and
  • Dunqiu Wang

Mg/Fe layered bimetallic oxide mulberry rod biochar composites (MFBCs) were prepared from mulberry rods and characterized using electron microscopy scanning (SEM), X-ray diffraction (XRD), Fourier infrared spectroscopy (FT-IR), and X-ray photoelectro...

  • Article
  • Open Access
2 Citations
7,444 Views
17 Pages

Chemical Characterization of Human Body Odor Headspace Components

  • A. Celeste Medrano,
  • Ariela Cantu,
  • Edgar O. Aviles-Rosa,
  • Nathaniel J. Hall,
  • Michele N. Maughan,
  • Jenna D. Gadberry and
  • Paola A. Prada-Tiedemann

This study focused on evaluating human body odor volatiles using a chamber approach. Ten participants were asked to sit inside the chamber for 1 h, while using SPME as the extraction technique for vapor sampling. A total of 105 compounds were detecte...

  • Article
  • Open Access
1 Citations
3,533 Views
19 Pages

Evaluation of Carbonized Corncobs for Removal of Microcystins and Nodularin-R from Water

  • Hasaruwani S. Kiridena,
  • Sharmila I. Thenuwara,
  • Manjula M. Kandage,
  • Norman Peiffer,
  • Michal Marszewski and
  • Dragan Isailovic

Microcystins (MCs) and nodularins (NODs) are cyanotoxins that can be found in water bodies during cyanobacterial harmful algal blooms (cyanoHABs). Consumption of water contaminated with cyanotoxins leads to health risks for humans and animals. Herein...

  • Article
  • Open Access
12 Citations
3,343 Views
13 Pages

A sustainable reversed-phase chromatographic method has been developed and validated for the simultaneous determination of three active pharmaceutical ingredients, dorzolamide, brinzolamide, and timolol, used to treat glaucoma. The eco-friendly solve...

  • Article
  • Open Access
3,206 Views
12 Pages

Unveiling Novel Chaotropic Chromatography Method for Determination of Pralidoxime in Nerve Agent Antidote Autoinjectors

  • Bohyun Shin,
  • Hyung-seung Kim,
  • Ji-Youn Lee,
  • Sumin Seo,
  • Cho Hee Jeong,
  • Eunbin Bae,
  • Jiyu Kim,
  • Hyojeong Lee,
  • Donghee Lee and
  • Dong-Kyu Lee
  • + 1 author

Pralidoxime chloride, a highly hydrophilic antidote, cannot be effectively separated by reverse-phase high-performance liquid chromatography (RP-HPLC), unless the mobile-phase composition is varied. However, the use of ion-pairing reagents for pralid...

  • Article
  • Open Access
8 Citations
2,565 Views
14 Pages

A Sustainable Approach for Enhancing Stability and Bioactivity of Allium ursinum Extract for Food Additive Applications

  • Alena Stupar,
  • Senka Vidović,
  • Jelena Vladić,
  • Tanja Radusin and
  • Aleksandra Mišan

Utilizing natural plant extracts as food additives represents a promising strategy for enhancing the quality, nutritional value, and safety of food products, benefiting both consumers and the environment. Therefore, the primary objective of this stud...

  • Review
  • Open Access
13 Citations
5,298 Views
21 Pages

Water pollution poses a global threat to human health, particularly in terms of ensuring a safe supply of drinking water. The accumulation of heavy metals from various water sources is increasing, driving the search for effective and environmentally...

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Separations - ISSN 2297-8739