The adsorption of ether cellulose (MHEC) on particles surface depends among other parameters on the molecular mass and the substitution degree. Does the adsorption depends also on the particules surface (for saturation dosage)?
Would anyone be interested in collaborating on corrosion?
07 July 2024 4,726 2 View
Would anyone be interested in collaborating on research focused on the antioxidant and antibacterial activity of medicinal plants?
23 May 2024 6,760 4 View
I evaluated the antioxydant of ethanolic extract by DPPH. I chose a concentration of 1000 ug/ml and then 2000 ug/ml very high concentractions but no yellow color appeared when adding DPPH. Knowing...
25 July 2023 9,886 6 View
Does drying leaves and stems in a high humidity environment influence the bioactive molecules like flavonoids and polyphenols or no?
12 July 2023 5,185 5 View
Hello researchers, I carried out an extraction with methnol of roots and at the end of the extraction a precipitate has formed. Can anyone explain to me if this is normal? Should I analyse this...
15 June 2023 980 2 View
Hello researchers, Who would like to collaborate in extraction and analysis of extracts from plants ?
13 June 2023 9,094 3 View
Hello to all researchers How can extract polyphenols from the leaves high in chlorophyll. I conducted an extraction from green leaves, I defatted the leaves with haxane and then extracted them...
02 June 2023 9,847 3 View
Hello, Many researchers reported that to extract polyohenols you need first to remove lipids. I don't know why? Knowing that removing lipids can leads to a loss of polyphenols even if the solvent...
09 May 2023 388 5 View
does anyone want to collaborate on the optimization of extractino technique for bioactive compounds from a plant ?
25 April 2023 2,328 2 View
hello I have a methanolic extract. Do I need to derivatize it prior or it's not necessary?
02 July 2022 8,271 6 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
average particle size calculation from TEM
04 August 2024 2,921 1 View
TEP presentation caption (The Environmental Project) Re: Why should Washington’s DC, or any country government point of location think of as nowadays of as to being 'tomorrow as to come! if it...
03 August 2024 2,484 1 View
I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...
03 August 2024 6,500 3 View
Dear Researchers I need to know, how to load and plot 2D-PIV (particle image velocimetry) recorded velocity vector field data in Tecplot? Thank You
02 August 2024 3,615 1 View
The delta function seems produce logical contradictions when analyzed on a fundamental level. I would be curious if anyone else agrees.
31 July 2024 10,109 3 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
Some of the techniques I am familiar with are standard. I would like to know which of the two methods under study is preferable, as well as the cost and list of particles and devices needed in...
22 July 2024 1,921 3 View
Hi everyone, I experienced some moving particles in my mouse hippocampal slices. The media looks clear. Any idea what these moving particles might be? Thanks you!
22 July 2024 3,734 0 View
I know the rate law. But for my photo-catalytic experiments, first 90min is adsorption (dark) and next 150min is under UV light (total 240min). How to remove the adsorption part for calculation?...
21 July 2024 8,807 6 View