1. “Electrospun Medicated Nanofibers for Wound Healing: Review”
by Xinkuan Liu et al.
Membranes 2021, 11(10), 770; https://doi.org/10.3390/membranes11100770
Available online: https://www.mdpi.com/2077-0375/11/10/770 

2. “Orodispersible Membranes from a Modified Coaxial Electrospinning for Fast Dissolution of Diclofenac Sodium”
by Tingbao Ning et al.
Membranes 2021, 11(11), 802; https://doi.org/10.3390/membranes11110802
Available online: https://www.mdpi.com/2077-0375/11/11/802 

3. “A Review on Polymer Nanocomposites and Their Effective Applications in Membranes and Adsorbents for Water Treatment and Gas Separation”
by Oluranti Agboola et al.
Membranes 2021, 11(2), 139; https://doi.org/10.3390/membranes11020139
Available online: https://www.mdpi.com/2077-0375/11/2/139 

4. “A Review on Ionic Liquid Gas Separation Membranes”
by Karel Friess et al.
Membranes 2021, 11(2), 97; https://doi.org/10.3390/membranes11020097
Available online: https://www.mdpi.com/2077-0375/11/2/97 

5. “Nanofiber-Based Face Masks and Respirators as COVID-19 Protection: A Review”
by Wafa K. Essa et al.
Membranes 2021, 11(4), 250; https://doi.org/10.3390/membranes11040250
Available online: https://www.mdpi.com/2077-0375/11/4/250 

6. “Polymers and Solvents Used in Membrane Fabrication: A Review Focusing on Sustainable Membrane Development”
by Xiaobo Dong et al.
Membranes 2021, 11(5), 309; https://doi.org/10.3390/membranes11050309
Available online: https://www.mdpi.com/2077-0375/11/5/309 

7. “Membrane-Based Harvesting Processes for Microalgae and Their Valuable-Related Molecules: A Review”
by Roberto Castro-Muñoz et al.
Membranes 2021, 11(8), 585; https://doi.org/10.3390/membranes11080585
Available online: https://www.mdpi.com/2077-0375/11/8/585 

8. “Ionic Mobility in Ion-Exchange Membranes”
by Irina A. Stenina et al.
Membranes 2021, 11(3), 198; https://doi.org/10.3390/membranes11030198
Available online: https://www.mdpi.com/2077-0375/11/3/198 

9. “Characteristics of a Plasticized PVA-Based Polymer Electrolyte Membrane and H⁺ Conductor for an Electrical Double-Layer Capacitor: Structural, Morphological, and Ion Transport Properties”
by Mohamad A. Brza et al.
Membranes 2021, 11(4), 296; https://doi.org/10.3390/membranes11040296
Available online: https://www.mdpi.com/2077-0375/11/4/296 

10. “Polydopamine Functionalized Graphene Oxide as Membrane Nanofiller: Spectral and Structural Studies”
by Abedalkader Alkhouzaam et al.
Membranes 2021, 11(2), 86; https://doi.org/10.3390/membranes11020086
Available online: https://www.mdpi.com/2077-0375/11/2/86 

11. “Green Synthesized of Ag/Ag2O Nanoparticles Using Aqueous Leaves Extracts of Phoenix dactylifera L. and Their Azo Dye Photodegradation”
by Salah Eddine Laouini et al.
Membranes 2021, 11(7), 468; https://doi.org/10.3390/membranes11070468
Available online: https://www.mdpi.com/2077-0375/11/7/468 

12. “Active Edible Films Fortified with Natural Extracts: Case Study with Fresh-Cut Apple Pieces”
by Simona Jancikova et al.
Membranes 2021, 11(9), 684; https://doi.org/10.3390/membranes11090684
Available online: https://www.mdpi.com/2077-0375/11/9/684 

13. “Preparation and Characterization of a Novel Sulfonated Titanium Oxide Incorporated Chitosan Nanocomposite Membranes for Fuel Cell Application”
by Saad Ahmed et al.
Membranes 2021, 11(6), 450; https://doi.org/10.3390/membranes11060450
Available online: https://www.mdpi.com/2077-0375/11/6/450 

14. “Performance Analysis and Optimization of a High-Temperature PEMFC Vehicle Based on Particle Swarm Optimization Algorithm”
by Yanju Li et al.
Membranes 2021, 11(9), 691; https://doi.org/10.3390/membranes11090691
Available online: https://www.mdpi.com/2077-0375/11/9/691 

15. “Removing of the Sulfur Compounds by Impregnated Polypropylene Fibers with Silver Nanoparticles-Cellulose Derivatives for Air Odor Correction”
by Aurelia Cristina Nechifor et al.
Membranes 2021, 11(4), 256; https://doi.org/10.3390/membranes11040256
Available online: https://www.mdpi.com/2077-0375/11/4/256 

16. “Lipid Membrane Mimetics in Functional and Structural Studies of Integral Membrane Proteins”
by Saman Majeed et al.
Membranes 2021, 11(9), 685; https://doi.org/10.3390/membranes11090685
Available online: https://www.mdpi.com/2077-0375/11/9/685 

17. “Gas Permeation Properties of High-Silica CHA-Type Zeolite Membrane”
by Yasuhisa Hasegawa et al.
Membranes 2021, 11(4), 249; https://doi.org/10.3390/membranes11040249
Available online: https://www.mdpi.com/2077-0375/11/4/249 

18. “Recent Advances in the Prediction of Fouling in Membrane Bioreactors”
by Yaoke Shi et al.
Membranes 2021, 11(6), 381; https://doi.org/10.3390/membranes11060381
Available online: https://www.mdpi.com/2077-0375/11/6/381 

19. “Bioactive Agent-Loaded Electrospun Nanofiber Membranes for Accelerating Healing Process: A Review”
by Seyyed-Mojtaba Mousavi et al.
Membranes 2021, 11(9), 702; https://doi.org/10.3390/membranes11090702
Available online: https://www.mdpi.com/2077-0375/11/9/702 

20. “Efficient Photocatalytic Degradation of Organic Pollutant in Wastewater by Electrospun Functionally Modified Polyacrylonitrile Nanofibers Membrane Anchoring TiO₂ Nanostructured”
by Fahad A. AlAbduljabbar et al.
Membranes 2021, 11(10), 785; https://doi.org/10.3390/membranes11100785
Available online: https://www.mdpi.com/2077-0375/11/10/785