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Membranes, Volume 13, Issue 4

April 2023 - 88 articles

Cover Story: In this article, we discuss the possible mechanism of fast cargo release from a new type of pH-sensitive liposomes with embedded ampholytic molecular switch (AMS, 3-(isobutylamino)cholan-24-oic acid) with carboxylic anionic groups and isobutylamino cationic ones attached to the opposite ends of the steroid core. AMS-containing liposomes have demonstrated excellent speed of the encapsulated substance release under altering the pH of outer solution, but the exact mechanism of the switch action has not yet been accurately determined. Here, we report on the details of fast cargo release based on data obtained via ATR-FTIR spectroscopy as well as atomistic molecular modeling. The findings of this study are promising for potential biomedical application of AMS-containing pH-sensitive liposomes. View this paper
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Articles (88)

  • Review
  • Open Access
6 Citations
3,250 Views
23 Pages

Phytochemicals, such as flavonoids, stilbenoids, alkaloids, terpenoids, and related compounds, have a wide range of useful pharmacological properties which cannot be ascribed to binding to a single peptide or protein target alone. Due to the relative...

  • Article
  • Open Access
9 Citations
2,480 Views
14 Pages

Wastewater reclamation has gradually become an important way to cope with the global water crisis. Ultrafiltration plays an imperative part as a safeguard for the aim but is often limited by membrane fouling. Effluent organic matter (EfOM) has been k...

  • Article
  • Open Access
6 Citations
2,732 Views
17 Pages

The scope of this research aims at merging a new deep eutectic mixture (DES) into a biopolymer-based membrane for a pervaporation application in dehydrating ethanol. Herein, an L-proline:xylitol (at 5:1) eutectic mixture was successfully synthesized...

  • Article
  • Open Access
5 Citations
2,560 Views
19 Pages

Mixtures of silica nanoparticles (SiO2 NPs) and natural organic matter (NOM) are ubiquitous in natural aquatic environments and pose risks to organisms. Ultrafiltration (UF) membranes can effectively remove SiO2 NP–NOM mixtures. However, the co...

  • Article
  • Open Access
3 Citations
3,898 Views
15 Pages

A Novel Hybrid Membrane Process Coupled with Freeze Concentration for Phosphorus Recovery from Cheese Whey

  • Ipan Hidayat,
  • Lidia Paredes,
  • Pablo M. Binder,
  • Nagore Guerra-Gorostegi,
  • Mabel Mora,
  • Sergio Ponsá,
  • Darren L. Oatley-Radcliffe and
  • Laia Llenas

The ever-increasing demand for phosphorus fertilisers for securing global food production, coupled with finite phosphate rock reserves, is one of the emerging problems in the world. Indeed, phosphate rock is listed as an EU critical raw material, tri...

  • Article
  • Open Access
5 Citations
3,656 Views
13 Pages

Performance of TiO2-Based Tubular Membranes in the Photocatalytic Degradation of Organic Compounds

  • Carmen Barquín,
  • Aranza Vital-Grappin,
  • Izumi Kumakiri,
  • Nazely Diban,
  • Maria J. Rivero,
  • Ane Urtiaga and
  • Inmaculada Ortiz

This work presents the photocatalytic degradation of organic pollutants in water with TiO2 and TiO2/Ag membranes prepared by immobilising photocatalysts on ceramic porous tubular supports. The permeation capacity of TiO2 and TiO2/Ag membranes was che...

  • Article
  • Open Access
2 Citations
2,550 Views
15 Pages

Characterization of New Polymer Material of Amino-β-Cyclodextrin and Sodium Alginate for Environmental Purposes

  • Kinga Kozieł-Trąbska,
  • Sandra Żarska,
  • Tomasz Girek and
  • Wojciech Ciesielski

The β-cyclodextrin polymer (PβCD) cross-linked with pyromellitic dianhydride (PD) and functionalized with an amino group (PAβCD) was introduced into a matrix made of sodium alginate (SA). Scanning electron microscopy (SEM) images showe...

  • Communication
  • Open Access
2 Citations
1,524 Views
6 Pages

Transforming growth factor β1 (TGF-β1) is critical to cell differentiation, proliferation, and apoptosis. It is important to understand the binding affinity between TGF-β1 and its receptors. In this study, their binding force was measu...

  • Article
  • Open Access
2 Citations
2,595 Views
18 Pages

Fabrication and Evaluation of Filtration Membranes from Industrial Polymer Waste

  • Saleheen Bano,
  • Mukesh Pednekar,
  • Saranya Rameshkumar,
  • Dipu Borah,
  • Michael A. Morris,
  • Ramesh Babu Padamati and
  • Niamh Cronly

Polyvinylidene fluoride (PVDF) polymers are known for their diverse range of industrial applications and are considered important raw materials for membrane manufacturing. In view of circularity and resource efficiency, the present work mainly deals...

  • Article
  • Open Access
9 Citations
3,141 Views
14 Pages

Two-dimensional (2D) nanomaterials, due to their high aspect ratio and high specific surface area, which provide a more tortuous pathway for larger gas molecules, are frequently used in membrane separation. However, in mixed-matrix membranes (MMMs),...

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Membranes - ISSN 2077-0375