I need a PVA thin film. I have made PVA hydrogel where DI water was used as solvent. How can I get thin film from Hydrogel?
I want to know the name of solvents other than Formic acid.
10 November 2019 2,602 1 View
I want to make a thin film of dielectric material using thermal vapor deposition technique. So sublimation graded material is required for this purpose. If some one tell me it will be helpful to me.
08 September 2018 8,617 0 View
We know electronegativity is an atomic property. When we move to the broad context to a material (i.e. polymer) then can we calculate electronegativity of that material?
11 December 2017 6,182 5 View
I want to get a film of nano fibre by electrospinning method,I made that by using ethanol and water as solvent but failed to get. Except anhydrous ethanol/2-propanol what are suitable solvents for...
02 March 2017 1,350 0 View
I have to make a Schottky diode by using PbS as semiconductor and ITO as metal, for this purpose an uniform PbS film of thickness 250-300 nm is required. What should be the concentration of sample...
10 November 2016 1,098 1 View
In some cases of dielectric materials multiple relaxation time arises, what is multiple relaxation time, when and how it comes?
10 November 2016 3,081 0 View
We know the band gap of Perovskite materials is due to electronegativity between B cation and X anion(in ABX3 compound). We can change band gap and opto-electronic properties by changing structure...
07 August 2016 1,719 3 View
We know after application of electric field if we remove field than a polarization remains which is remnant polarization. But is there any polarization which a material posses before application...
07 August 2016 6,590 4 View
How can we measure work function of a polymer? As it has an important role for charge generation when the material comes in contact with metal/non-metal/polymer. So if anyone suggest me how to...
01 January 1970 5,288 3 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...
10 August 2024 4,005 2 View
How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?
09 August 2024 3,291 2 View
One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...
08 August 2024 6,690 1 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
How can I measure the thickness of thin film by Uv-Vis?
06 August 2024 7,810 3 View
I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...
04 August 2024 1,200 2 View
I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...
03 August 2024 4,725 2 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View