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Questions related from Wondimagegne A Mo
Alkyl chain primary amine grafted cellulose nano fiber show oil repellent behavior. But this behavior seen at different concentration (vary, still there is but degree vary). That means as alkyl...
27 June 2021 2,222 0 View
I saw some papers with colorful solvents for some application. Especially, for wetteblity test. I also intertsed to do that. Where and what type days shall I search? Thanks
16 June 2021 5,195 2 View
I am using methanol to dissolve ODA modified cellulose nano-fiber. I want to prepare modified film. But, upon drying (60oC) the film broken into pieces instead of full film. When I observed drying...
14 June 2021 9,465 2 View
For purpose of casting polymer on glass plates, glass plate has to be selected. There are hydrophobic and hydrophilic glass plates. I want to know nature of materials at which most casting glass...
08 June 2021 6,428 3 View
Planning to write review article for publication. I wander to know is it possible to cite review articles or not?
03 June 2021 8,460 20 View
The carboxylate content of TEMPO-oxidized cellulose nanofibril was found to be 1.08mmol/g. What will be the carboxylate content in mol/mol of the monomer unit? For TEMPO-oxidation,...
26 December 2019 2,825 0 View
Almost all membrane pore characterizing techniques cannot be used due to the mechanical instability of the flat membrane. I want to use deionized water flux (DI) and mathematical way to determine...
05 December 2019 4,060 2 View
I need the enzyme cellulase for the hydrolysis of cellulose. For this purpose many researchers suggested the enzyme to be cocktail that consists of three main enzyme types ( Endo-1,4-β-glucanases,...
19 November 2019 1,285 3 View
I need enzyme cellulase to produce glucose from microcrystalline cellulose powder, the enzyme manufacturers like sigma this enzyme in cellulase enzyme blend and cellulase. The former is sold in...
06 November 2019 6,228 1 View
A given polypeptide protein has side chains and terminal (N- and C-). For any modification or conjugation reaction which part involved in reactions (side chains or terminals). Thank you !!
18 October 2019 781 2 View
I have solid polymer membrane. Most of the lab has no for solid zeta potential measuring components. They told me only solution allowed. How can I measure zeta potential of my membrane?
04 October 2019 822 7 View
For many days enzyme experiment, fresh medium of enzyme need to be replaced regularly. At what time interval the medium should be replaced by new to keep activity of enzymes?
02 September 2019 7,812 4 View
In ion chromatography, the calibration range is 0 - 10 ppm of cations. I expect the analysis result shall be within this range if above or below the instrument shall indicate error. But, instead...
24 March 2019 6,085 9 View
The data is attached below. Please give me technical advice!!
16 February 2019 5,609 5 View
