Abstract The dyeing process of textile materials is inherently intricate, influenced by a myriad factors, including dye concentration, time, pH level, temperature, type dye, fiber composition, mechanical agitation, salt mordants, fixatives, water quality, method, and pre-treatment processes. intricacy achieving optimal settings during poses significant challenge. In response, this study introduces novel algorithmic approach that integrates response surface methodology (RSM), artificial...

In this study, electrospinning of sulfonated poly(ether ether ketone) (SPEEK) at different degrees sulfonation (DS) was investigated. The polymer solution concentration 22 wt% obtained to collect smooth fiber in nanoscale range 112 131 nm various conditions. SEM observations SPEEK nanofibers showed the decrease diameter with increasing DS from 74% 81%, mainly due increase electrical conductivity higher DS. collecting speed 20 305 m/min decreased slightly and improved their alignment....

The repair of damaged peripheral nerves and the following restoration functionality remain significant therapeutic challenges. Hollow nerve conduits currently available do not align with ideal human model. Successfully mending gaps requires incorporating biomimetic functional features into neural conduit design. In this research, a new two-layer that combines topographic support controlled growth factor release was developed. We used two-layered framework to amplify mechanical reinforcement...

A simple and non-conventional electrospinning technique was employed for producing highly oriented Polyacrylonitrile (PAN) nanofibers. The PAN nanofibers were electrospun from 14 wt% solution of in dimethylformamid (DMF) at 11 kv on a rotating drum with various linear speeds 22.5 m/min to 67.7 m/min. influence take up velocity investigated the degree alignment, internal structure mechanical properties collected Using an image processing technique, best alignment obtained those 59.5 Moreover,...

A novel transdermal drug delivery system for the release of ibuprofen (IBU) was fabricated via poly(vinyl alcohol)/hyper-branched poly(ethylene imine) (PVA/PEI) nanofibrous membranes. Hence, PVA/PEI solutions were electrospun at different mass ratios 100/0, 85/15, 75/25, and 65/35. SEM observations illustrated that diameters collected fibers to be 125–161 nm. Fourier-transform infrared differential scanning calorimetric characterizations used examine microstructural changes fibers. In vitro...

Abstract A simple and nonconventional electrospinning technique was employed for producing aligned polyacrylonitrile (PAN) nanofibers. thermal zone placed between syringe needles collector in the set up to obtain heat treated Suitable temperatures treat process of PAN nanofibers determined using differential scanning spectroscopy (DSC) technique. The influence treatment temperature investigated on morphology, internal structure mechanical properties collected average fiber diameter measured...

The morphological control of proton conductive nanofibrous mat used in exchange membranes (PEMs) is a key issue to improve conductivity PEMs. In this study, response surface methodology (RSM) was utilized investigate the characterizations electrospun sulfonated poly (ether ether ketone) (SPEEK) membranes. effects electrospinning parameters namely solution concentration, applied voltage and tip collector distance were studied on average diameter, its standard deviation degree alignment SPEEK...

Reconstruction of the extrahepatic bile duct is one most common challenges for hepatobiliary surgeons to repair injury or defect. In this research, a novel method produce an artificial using electrospinning technique was introduced and effect polymer concentration on compliance produced prostheses investigated. addition, optimum conditions polyurethane nanofibrous tubes reach native are determined. The results show that samples increases gradually with increase in concentration. Therefore...

Abstract A novel electrospinning setup was employed for producing aligned polyacrylonitrile (PAN) monofilament in nanoscale. Unlike conventional method, the PAN monofilaments is collected using a rotating drum with various linear speed from bulk of nanofibers. it originates two syringe infusion pumps contain 14wt% PAN/DMF solution which passes through separate high voltage electric field. Various collecting were examined to clarify its effect on degree alignment, internal structure and...

Magnetic composite structures were fabricated by embedding iron oxide nanoparticles (Fe3O4) into polycaprolactone (PCL) nanofibers through an electrospinning process. The PCL incorporating 0.5 and 1 wt. % Fe3O4 electrospun with various yarn membrane architectures. SEM images of the fibers revealed diameter increment raising proportion. Additionally, elongation at break, in tandem ultimate strength was improved 63 67% Fe3O4, respectively. saturation magnetization results depended on number...