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Separations, Volume 12, Issue 3

March 2025 - 18 articles

Cover Story: Several D-amino acid residue-containing peptides (DAACPs) exhibit biological activities. Among these, the D-amino acid-containing tripeptide L-Asn-D-Trp-L-Phe-NH2 from Aplysia kurodai affects invertebrate cardiac activity. The chirality of its tryptophan residue influences its structure and function. We achieved the chiral separation of the tripeptide and its diastereomer using (S)-3,3′-diphenyl-1,1′-binaphthyl-20-crown-6-ether columns (CR-I(+)), aided by lowering the acetonitrile and methanol ratio in the mobile phase. Molecular dynamics simulations presented an interaction view of the tripeptide and the chiral selector. These results highlight the stereoselective recognition of DAACPs by CR-I columns. View this paper
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Articles (18)

  • Article
  • Open Access
22 Citations
6,936 Views
50 Pages

The rapid pace of global industrialization and population growth has intensified freshwater scarcity and water pollution, necessitating urgent solutions. Adsorption technology, favored for its cost-effectiveness, simplicity, and scalability, has emer...

  • Review
  • Open Access
2 Citations
4,261 Views
68 Pages

The efficient separation and removal of carbon dioxide (CO2) from its mixtures is an important technological challenge to limit effects resulting from the increase of the carbon dioxide concentration in the atmosphere. Membrane technology is an envir...

  • Review
  • Open Access
20 Citations
3,639 Views
17 Pages

The rapid expansion of industrial and agricultural activities in recent years has significantly contributed to water pollution leading to a decline in water quality and the need for effective treatment and reuse strategies. Metal contamination in wat...

  • Article
  • Open Access
872 Views
19 Pages

With the rapid development of China’s zinc-related industries, the grade of zinc concentrate has steadily declined, while the generation of zinc-containing solid waste has shown a significant upward trend. To address this issue, a collaborative...

  • Article
  • Open Access
6 Citations
2,659 Views
12 Pages

Assessment of Bioactive Compounds and Antioxidant Activity of Barley Sprouts

  • Geon Oh,
  • Im-Joung La,
  • Do-Sang Lee,
  • Jong-Woo Chae,
  • Ji-Hyun Im,
  • Seon Woo Park,
  • Xiaolu Fu,
  • June-Seok Lim,
  • Min-Hye Kim and
  • Yeon-Seok Seong
  • + 2 authors

Barley sprouts, rich in bioactive compounds, have gained attention as functional food ingredients because of their antioxidant potential. This study evaluated their bioactive composition and antioxidant capacity, focusing on the saponarin, chlorophyl...

  • Article
  • Open Access
1,517 Views
8 Pages

Several D-amino acid residue-containing peptides (DAACPs) with antimicrobial, cardio-excitatory, and neuronal activities have been identified in various species. The L-Asn-D-Trp-L-Phe-NH2 (N(dW)F) tripeptide, derived from Aplysia kurodai, exhibits ca...

  • Article
  • Open Access
924 Views
14 Pages

In this study, Acidthiobacillus ferrooxidans LX5 was used as an experimental microbial strain, and differences in biological oxidation between high-sulfur coal and pure pyrite were thoroughly investigated over 18 days in acidic environments with init...

  • Review
  • Open Access
17 Citations
11,262 Views
40 Pages

Greener Pectin Extraction Techniques: Applications and Challenges

  • Shaikh Manirul Haque,
  • Abuzar Kabir,
  • Elaref Ratemi,
  • Mohamed Elzagheid,
  • Sreekumar Parambathmadhom Appu,
  • Syed Sauban Ghani and
  • Abdullah Sarief

Pectin is a complex and versatile polysaccharide crucial for various industries. It functions as a thickener, gelling agent, emulsifier, and low-calorie food. Its anti-inflammatory and immunomodulatory properties have attracted biomedical interest, w...

  • Review
  • Open Access
2 Citations
1,261 Views
12 Pages

Although total selenium content is still useful in many areas, knowledge of its speciation is gaining importance as its various chemical forms have different environmental effects, toxicities and biological utilization. Among several methods used for...

  • Article
  • Open Access
5 Citations
1,842 Views
11 Pages

Green Protein Extraction from Hazelnut Press Cake: Yield, Efficiency, and Secondary Structure Analysis

  • Bruna Anzà,
  • Silvia Fraterrigo Garofalo,
  • Alessandro Lapolla and
  • Debora Fino

Hazelnut (Corylus avellana L.) oil production generates press cakes, a by-product rich in plant-based proteins. As demand for alternative proteins grows, sustainable extraction methods like deep eutectic solvents (DESs) are essential for reducing the...

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Separations - ISSN 2297-8739