I am using PEG 3300 (don`'t know about MW may be 3300 is MW not sure).By dissolving PEG in ethanol .spin coating it .
Lot of polymers are commercially available in solid form, which can be dissolved in some solvent to make a solution. By , evaporating the excess solvent one can easily synthesize thin films of...
05 June 2019 1,607 7 View
For calculating using x-ray diffraction, SAXS is a good approach but , few people reports the calculation using XRD at higher angles also. Is it correct to use Scherrer's formula or willamson...
05 June 2019 8,165 3 View
Synthesis and Characterization of Conductive Polypyrrole: Th...It shows a graph of Temp. Vs res. which is clearly shows a semiconducting behavior i.e resistance increases with decreases in temp....
04 May 2019 4,957 4 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
How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...
10 August 2024 942 3 View
I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...
08 August 2024 2,298 0 View
I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.
07 August 2024 4,526 4 View
How can I measure the thickness of thin film by Uv-Vis?
06 August 2024 7,810 3 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
99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified
31 July 2024 5,113 4 View
I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?
31 July 2024 8,415 1 View
Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...
30 July 2024 906 2 View
I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...
30 July 2024 3,294 3 View