Abstract In this study, the polyether sulfone (PES) based membranes containing various concentrations of graphene oxide (GO), polyvinylpyrrolidone (PVP), and polyethylene glycol (PEG) were synthesized via phase immersion method. This study aims to evaluate effect GO addition on structural properties performance membranes. The analyzed by x-ray diffraction (XRD), scanning electron microscopy (SE...

The current study deals with the development of glutaraldehyde crosslinked chitosanbased delivery system with improved mechanical properties utilizing reactive solvent technique. The prepared systems were characterized by Fourier Transform Infrared (FTIR) spectroscopy, x-ray diffraction (XRD), thermo gravimetric analysis (TG) and differential scanning calorimetry (DSC). The systems were also an...

Despite the success of reverse osmosis (RO) for water purification, the molecular-level physicochemical processes of contaminant rejection are not well understood. Here we carry out non-equilibrium molecular dynamics (NEMD) simulations on a model RO membrane to understand the mechanisms of transport and rejection of both ionic and inorganic contaminants in water. While it is commonly presumed t...

This article presents different types of commercially available roof waterproofing membrane systems used on roofs with large surface area. It deals the causes deterioration such membranes due to environmental factors and describes tests detect leaks determination severity polymeric taking into account properties declared by their manufactures. The last part is a case study comparing brand new a...

Transfer Printing In article number 2214409, Virgilio Mattoli and co-workers develop a method to fabricate 3D two-photon polymerized microstructures onto complex (i.e. highly curved, multi-oriented or irregular) surfaces. Ultra-thin polymeric membranes serve as suspended sacrificial support print, handle, precisely transfer the microelements, few tens nanometers adhesive make latter conform on ...

CO2 is the main greenhouse gas which causes global climatic changes on larger scale. Many techniques have been utilised to capture CO2. Membrane gas separation is a fast growing CO2 capture technique, particularly gas separation by composite membranes. The separation of CO2 by a membrane is not just a process to physically sieve out of CO2 through the controlled membrane pore size. It mainly de...

For drugs with short half-lives, transdermal delivery provides a continuous noninvasive mode of administration. For charged drug molecules, the transdermal delivery can be assisted by the application of direct constant current, which drives the drug through the skin by electrostatic repulsion (method called iontophoresis) [1]. An important component of a drug delivery patch is the artificial me...

In recent years, aquaporin biomimetic membranes (ABMs) for water separation have gained considerable interest. Although the first ABMs are commercially available, there are still many challenges associated with further ABM development. Here, we discuss the interplay of the main components of ABMs: aquaporin proteins (AQPs), block copolymers for AQP reconstitution, and polymer-based supporting s...

Nano- and microparticles of various shapes have recently been introduced for various drug-delivery applications. Shape of particles has been shown to have an impact on various processes including circulation, vascular adhesion and phagocytosis. Here, we assess the role of particle geometry and surface chemistry in their interactions with cell membranes. Using representative particles of differe...

Protein separation and purification technologies play an essential role in various industries including but not limited to pharmaceuticals, dairy as well as the food sector. Accordingly, a wide variety of techniques such as chromatography and electrophoresis has been developed and utilized extensively over the years for this purpose. Despite their widespread acceptance, conventiona...