i'm trying to dissolve PCL diol in a solvent which is a non solvent for PMMA.
thank you.
dear all,i'm trying to reticulate a copolymer HEMA/MMA filled with hydroxyapatite by thermal polymerization, but i obtain samples with air bubbles, even after vacuum treatment (before the...
06 July 2015 6,621 14 View
i'd like to know if there is an equation for the determination of E and strength of nanocomposite filled with nano particles with rod shape (aspect ratio >1), to apply to my case. i know that...
01 February 2015 2,315 1 View
I am trying to produce a nanocomposite for biomedical application, but because of the presence of hydroxyethyl methacrylate they absorb a lot of water. Is there any possibility to reduce this problem?
31 December 2014 6,101 5 View
I am trying to synthesise zirconia to use as a filler of pmma for nanocomposite, and I only obtained amorphous zirconium hydroxide, could it be useful for this purpose (calcination is not possible)?
11 December 2014 3,987 1 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 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
Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?
01 August 2024 7,504 2 View
Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?
22 July 2024 1,210 2 View
Is it the best optimization ratio based on experiments?
22 July 2024 8,170 0 View
If you don't understand my question let me know
21 July 2024 563 1 View
Dear All, I need to deposit Glutathione on to ready made PCL nanofiber composite, how can I physically immobilize? which way of incorporation do you recommend, physical deposition or...
18 July 2024 9,725 1 View
I used several solvents and measured the absorbency and determined the total phenolic content, but the results were similar after dropping them on the titration curve; What is the reason, please help
17 July 2024 5,151 5 View
Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...
15 July 2024 9,065 4 View
I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...
15 July 2024 2,414 1 View