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Membranes, Volume 15, Issue 6

2025 June - 31 articles

Cover Story: Nymphaeol A is a lipophilic molecule with two domains, a tetrahydroxyflavanone and a geranyl chain. It is a component of propolis, a complex mixture used since ancient times as a healthy drug. This bioactive complex exhibits significant antioxidant, antifungal, antibacterial, antiviral, anticancer and antimicrobial properties, and Nymphaeol A is one of its main components. Nymphaeol A is capable of inserting spontaneously into the membrane and can be found in a monomeric form, as well as forming aggregates, tending to remain in its most extended conformation. Nymphaeol A movement along the membrane z-axis is greater than that of lipids, and it inserts between the phospholipid hydrocarbon chains, slightly increasing membrane fluidity. Nymphaeol A location and movement within the membrane are well-suited to its potent bioactivity. View this pape
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Articles (31)

  • Article
  • Open Access
1,776 Views
12 Pages

Binding and Activating of Analgesic Crotalphine with Human TRPA1

  • Mingmin Kang,
  • Yanming Zhang,
  • Xiufang Ding,
  • Jianfu Xu and
  • Xiaoyun Pang

TRPA1 (Transient Receptor Potential Ankyrin 1), a cation channel predominantly expressed in sensory neurons, plays a critical role in detecting noxious stimuli and mediating pain signal transmission. As a key player in nociceptive signaling pathways,...

  • Article
  • Open Access
2 Citations
1,483 Views
11 Pages

Electrochemical separations use an ionic current to drive the flow of ions across an ion exchange membrane to produce dilute and concentrated streams. The economics of these systems is challenging because passing an ionic current through a dilute sol...

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

Temperature polarization is a critical factor influencing the performance of membrane distillation. The presence of temperature polarization causes the temperature of the fluid near the membrane surface to be different from that in the bulk region, r...

  • Article
  • Open Access
5 Citations
2,226 Views
35 Pages

Membrane Charge Effects on Solute Transport in Nanofiltration: Experiments and Molecular Dynamics Simulations

  • Suwei Liu,
  • Zihao Foo,
  • John H. Lienhard,
  • Sinan Keten and
  • Richard M. Lueptow

Polyamide membranes, such as nanofiltration (NF) membranes, are widely used for water purification. However, the mechanisms of solute transport and solute rejection due to solute charge interactions with the membrane remain unclear at the molecular l...

  • Article
  • Open Access
3 Citations
3,047 Views
15 Pages

Selection of Optimal Nanofiltration/Reverse Osmosis (NF/RO) Membranes for the Removal of Organic Micropollutants from Drinking Water

  • E. Busra Tasdemir,
  • Marie Pardon,
  • Sareh Rezaei Hosseinabadi,
  • Laurens A. J. Rutgeerts,
  • Deirdre Cabooter and
  • Ivo F. J. Vankelecom

The growing presence of organic micropollutants (OMPs) in water sources is a major health concern. Successful removal of OMPs from water sources and ensuring the cleanliness of drinking water has become an important topic in recent years. In this stu...

  • Article
  • Open Access
3 Citations
2,999 Views
17 Pages

Cell membranes contain a variety of biomolecules, especially various kinds of lipids and proteins, which constantly change with fluidity and environmental stimuli. Though Helfrich curvature elastic energy has successfully explained many phenomena for...

  • Article
  • Open Access
1 Citations
2,138 Views
18 Pages

Impact of Additives on Poly(acrylonitrile-butadiene-styrene) Membrane Formation Process Using Non-Solvent-Induced Phase Separation

  • Sulaiman Dhameri,
  • Jason Stallings,
  • Endras Fadhilah,
  • Emily Ingram,
  • Mara Leach,
  • Anastasiia Aronova and
  • Malgorzata Chwatko

Poly(acrylonitrile-butadiene-styrene) (ABS) is a common polymer used in toys, automobile parts, and membranes. Membranes fabricated with this copolymer commonly employ toxic solvents and have a dense architecture, which may not work in all applicatio...

  • Article
  • Open Access
1,423 Views
12 Pages

Inhibition of ISAV Membrane Fusion by a Peptide Derived from Its Fusion Protein

  • María Elena Tarnok,
  • Lucía Caravia-Merlo,
  • Constanza Cárdenas,
  • Fanny Guzmán and
  • Luis F. Aguilar

Peptides designed to interfere with specific steps of viral infection mechanisms have shown promising antiviral potential. In this study, we investigated the ability of a synthetic peptide (peptide 303), derived from the fusion protein sequence of th...

  • Article
  • Open Access
1,290 Views
12 Pages

The Charged Superhydrophilic Polyelectrolyte/TiO2 Nanofiltration Membrane for Self-Cleaning and Separation Performance

  • Weiliang Gu,
  • Lei Han,
  • Ye Li,
  • Jiayi Wang,
  • Haihong Yan,
  • Zhenping Qin and
  • Hongxia Guo

Nanofiltration (NF) technology has extensive application in the treatment of wastewater generated in the dyeing industry. However, NF membranes often encounter fouling issues during the operation process. In this work, the superhydrophilic and self-c...

  • Review
  • Open Access
2 Citations
3,756 Views
18 Pages

Organic framework membranes (OFMs) have emerged as transformative materials for separation technologies due to their tunable porosity, structural diversity, and stability, yet their design and optimization face challenges in navigating vast chemical...

  • Article
  • Open Access
4,208 Views
16 Pages

Nanofibrous Membranes Based on Collagen and Conductive Polymers with Perspective for Biological Applications

  • Tonantzi Pérez-Moreno,
  • Claudia D’Urso,
  • Gabriel Trejo,
  • Maria V. Contreras-Martínez,
  • Omar Lozano,
  • Gerardo J. García-Rivas,
  • Luis G. Arriaga,
  • Gabriel Luna-Barcenas and
  • Janet Ledesma-García

In this study, membranes of collagen–chitosan (C-Ch) in combination with conductive polymers (CPs) such as polyaniline (Pani) and polypyrrole (Ppy) were obtained by electrospinning using non-toxic solvents such as PBS and ethanol. The change in...

  • Article
  • Open Access
3,361 Views
23 Pages

Oil and Water Recovery from Palm Oil Mill Effluent: A Comparative Study of PVDF and α-Al2O3 Ultrafiltration Membranes

  • Saqr A. A. Al-Muraisy,
  • Jiamin Wu,
  • Mingliang Chen,
  • Begüm Tanis,
  • Sebastiaan G. J. Heijman,
  • Shahrul bin Ismail,
  • Jules B. van Lier and
  • Ralph E. F. Lindeboom

Recovering oil and water from palm oil mill effluent reduces environmental pollution and promotes sustainable practices. An effective method to achieve this is ultrafiltration (UF), which uses semi-permeable membranes to separate oil, solids, and oth...

  • Communication
  • Open Access
1 Citations
1,920 Views
13 Pages

Seven-Channel Polyethersulfone Hollow-Fiber Membrane Preparation with Vapor-Induced Phase Separation

  • Xiaoyao Wang,
  • Zhiyuan Hao,
  • Rui Huang,
  • Yajing Huang,
  • Huiqun Zhang and
  • Xiujuan Hao

Polyethersulfone (PES) has been widely used to fabricate hollow-fiber ultrafiltration membranes due to its good oxidative, thermal, and hydrolytic stability. Typical PES hollow-fiber membranes with a single bore have limited strength and may break un...

  • Article
  • Open Access
1,689 Views
12 Pages

Determining Accurate Pore Structures of Polypropylene Membrane for ECMO Using FE-SEM Under Optimized Conditions

  • Makoto Fukuda,
  • Yoshiaki Nishite,
  • Eri Murata,
  • Koki Namekawa,
  • Tomohiro Mori,
  • Tsutomu Tanaka and
  • Kiyotaka Sakai

Long-term ECMOs are expected to be put into practical use in order to prepare for the next emerging severe infectious diseases after the novel coronavirus pandemic in 2019–2023. While polypropylene (PP) and polymethylpentene (PMP) are currently...

  • Review
  • Open Access
14 Citations
7,401 Views
27 Pages

Cholesterol plays an essential role in biological membranes and is crucial for maintaining their stability and functionality. In addition to biological membranes, cholesterol is also used in various synthetic lipid-based structures such as liposomes,...

  • Article
  • Open Access
3 Citations
2,931 Views
19 Pages

Improving PFAS Rejection by Ultrafiltration Membranes via Polyelectrolyte Multilayer Coating

  • Oruc Kaan Turk,
  • Mehmet Cakmakci,
  • Ismail Hakki Zengin,
  • Dogan Karadag and
  • Ebubekir Yuksel

Per- and polyfluoroalkyl substances (PFASs), used since the 1940s, are persistent and carcinogenic pollutants. Water is a major exposure route; effective removal is essential. While nanofiltration (NF) and reverse osmosis (RO) are effective but costl...

  • Article
  • Open Access
1 Citations
2,164 Views
14 Pages

Forward osmosis (FO) is a membrane separation process driven by the osmotic pressure difference between a high-salinity draw solution (DS) and a low-salinity feed solution (FS). This pressure-free dewatering method is highly energy efficient, making...

  • Article
  • Open Access
1,613 Views
20 Pages

Membrane filtration, including reverse osmosis filtration, is widely applied in water treatment worldwide, offering solutions to a broad range of separation challenges. However, due to the porous structure of membranes, they are prone to fouling, whi...

  • Article
  • Open Access
6 Citations
2,163 Views
17 Pages

Recycling extracellular polymeric substances (EPSs) from excess sludge in wastewater treatment plants has garnered significant research attention. Membrane separation offers a promising approach for EPS concentration; however, membrane fouling remain...

  • Article
  • Open Access
2,580 Views
13 Pages

End-stage renal disease occurs when there is permanent loss of the kidney’s ability to filter toxins from the blood. Due to the limited number of transplants, dialysis is currently the most common treatment, but it significantly limits a patien...

  • Communication
  • Open Access
1 Citations
1,798 Views
9 Pages

A Fiberglass-Cloth-Reinforced Perfluorosulfonic Acid Membrane

  • Zhutao Zhang,
  • Yiru Dou,
  • Wen Zhang,
  • Li Xu and
  • Yuxin Wang

Perfluorosulfonic acid (PFSA) membranes have found broad-ranging applications, owing to their high ionic conductivity and excellent chemical stability. However, membranes with higher mechanical strength, lower area-specific resistance, reduced swelli...

  • Review
  • Open Access
2 Citations
3,551 Views
26 Pages

With the increasing demand for safe, high-quality, and sustainable food, nanomembranes have attracted significant interest as innovative solutions in food processing. They are extremely thin structures created from special materials that allow for th...

  • Article
  • Open Access
1,917 Views
15 Pages

Moving Rubber Blade (MRB) for Fouling Control in Anaerobic Ceramic Membrane Bioreactors (AnCMBRs) Treating High-Strength Food Wastewater: Development and Long-Term Application

  • Young-Jae Lee,
  • Hyung-Soo Kim,
  • Hyunsup Jang,
  • Sung-Gwan Park,
  • Ji-Yeon Kim,
  • Sung-Jae Lee,
  • Youngjin Kim,
  • Moon-Hyun Hwang and
  • Sangyoup Lee

This study investigates membrane fouling control in a submerged anaerobic ceramic membrane bioreactor (AnCMBR) treating high-strength food wastewater (chemical oxygen demand (COD): 10–30 g/L). A hybrid strategy combining mechanical cleaning via...

  • Article
  • Open Access
3 Citations
2,444 Views
15 Pages

Development of Thermo-Responsive and Salt-Adaptive Ultrafiltration Membranes Functionalized with PNIPAM-co-PDMAC Copolymer

  • Lauran Mama,
  • Johanne Pirkin-Benameur,
  • Vincent Bouad,
  • David Fournier,
  • Patrice Woisel,
  • Joël Lyskawa,
  • Karim Aissou and
  • Damien Quemener

Access to clean water remains a critical global challenge, exacerbated by population growth, industrial activity, and climate change. In response, this study presents the development and characterization of thermo-responsive and salt-adaptive ultrafi...

  • Article
  • Open Access
2 Citations
1,891 Views
17 Pages

Nymphaeol A (NYA) is a tetrahydroxyflavanone anchored to a hydrophobic geranyl group, isolated from different sources and a component of propolis, a complex mixture produced by honeybees and used since ancient times as a healthy drug. This complex ex...

  • Review
  • Open Access
6 Citations
8,473 Views
46 Pages

Energy-efficient and cost-effective water desalination systems can significantly replenish freshwater reserves without further stressing limited energy resources. Currently, the majority of the desalination systems are operated by non-renewable energ...

  • Article
  • Open Access
1 Citations
3,833 Views
22 Pages

Dipalmitoylphosphatidylcholine (DPPC), is one of the key bilayer membranes of the phosphatidylcholine (PC) family which constitutes 40–50% of total cellular phospholipids in mammal cells. We investigate the behavior of an initially planar DPPC...

  • Article
  • Open Access
1 Citations
2,289 Views
22 Pages

Carbonized Dual-Layer Balsa Wood Membrane for Efficient Oil–Water Separation in Kitchen Applications

  • Mamadou Souare,
  • Changqing Dong,
  • Xiaoying Hu,
  • Junjiao Zhang,
  • Juejie Xue and
  • Quanjun Zheng

Wood-based membranes have garnered increasing attention due to their structural advantages and durability in the efficient treatment of oily kitchen wastewater. However, conventional fabrication methods often rely on toxic chemicals or synthetic proc...

  • Article
  • Open Access
2 Citations
2,235 Views
14 Pages

Cholesterol Sulfate in Biological Membranes: A Biophysical Study in Cholesterol-Poor and Cholesterol-Rich Biomimetic Models

  • Ana Reis,
  • Maria João Sarmento,
  • Mariana Ferreira,
  • Paula Gameiro and
  • Victor de Freitas

As a surface-located molecule in biological membranes, cholesterol sulphate (CholS) plays a major role in membrane-driven cell–cell processes and events including platelet-cell adhesion, T-cell receptor signalling, sperm–egg interaction,...

  • Article
  • Open Access
4 Citations
1,889 Views
18 Pages

Adding nanomaterials to polymer membranes can improve certain properties, such as the photocatalytic degradation of contaminants and antibacterial qualities. However, the interaction between nanomaterials and polymers is often limited by the presence...

  • Article
  • Open Access
2 Citations
1,262 Views
22 Pages

Evaluation of the Genericity of an Adaptive Optimal Control Approach to Optimize Membrane Filtration Systems

  • Aymen Chaaben,
  • Fatma Ellouze,
  • Nihel Ben Amar,
  • Alain Rapaport,
  • Marc Heran and
  • Jérôme Harmand

This study explores the application and robustness of an adaptive optimal control (AOC) strategy to optimize the operation of membrane filtration systems. The proposed control is based on a constant flux model where fouling is primarily due to cake l...

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Membranes - ISSN 2077-0375