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Questions related from Aisha Tanvir
Hello, From experience I know that the majority of electrospun mats are quite fragile, just the process of getting them off the collector can introduce stretching into the fibers. I've tried...
11 March 2019 9,698 9 View
The most commonly reported technique in the literature to measure pore size is by SEM. However, I am doubtful regarding the accuracy of this technique for various reasons, the primary one being,...
18 August 2017 7,822 5 View
GO was prepared using the modified hummers method, XRD analysis showed a broad peak at around 24°(pic attached), I am not sure what this indicates. Lit. survey shows that both graphite as well as...
22 January 2015 4,209 19 View
Difference in appearance of electrospun nanofiber sheet Uptil now I have electrospun 2 synthetic polymers with good results, Polystyrene(solvent-DMF) and Polyvinyl alcohol (solvent- Water). I...
16 September 2014 5,611 6 View
The contact angle is approx 120, I would like to reduce it. I tried cold plasma, but it is still the same. Look forward to any suggestions....
13 September 2014 4,076 5 View
I am making a PS/PANI blend. I have used DMF as the solvent, initially i try to dissolve PANI in it (ultrasonication), and then add PS and stir till i get a clear solution. However the problem is,...
07 September 2014 6,529 18 View
I was trying to spin a 20%Polystyrene solution (solvent used is DMF). One problem I have been facing recently is electrospraying, When I start the electrospinning process fibers form in the...
02 September 2014 7,893 11 View
