if I have 5 grams of PMMA, how much (mL) of Chloroform should I used to dissolve it ? should U use sealed beaker to this process?
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 941 3 View
What is the method for analytically calculating the wear and service life of polymer-polymer sliding pairs?
04 August 2024 1,078 1 View
If the pairs are similar, will it reduce the adhesion due to electric charges?
29 July 2024 3,185 2 View
I've been trying to design primers for qPCR to detect NCF1 cDNA using Primer3Plus and NCBI Primer-BLAST, but I couldn't find primers that are specific to the gene. Any help ? Thanks !
04 July 2024 3,068 3 View
I am trying to understand the influence of polymer films sliding against each other. For the simulation, I saw many molecular dynamics simulations, like LAMMPS, GROMACS, etc. I am new to this...
09 April 2024 8,871 2 View
I have been trying for months to grow kidney cells from rat kidneys, I tried several methods, serial sieving, cutting and meshing, and using kidney tissue to obtain an outgrowth of cells. I always...
11 March 2024 2,665 1 View
Hello, Does anyone have any idea of the exact (if any) number of cells we can have in mosquito salivary glands (the species doesnt matter at this stage). Thank you
05 February 2024 823 0 View
Hi how can I upload a manuscript for a paper that wasn't uploaded before thanks?
21 December 2023 7,777 0 View
Hi, I will be culturing BM-MSCs in DMEM culture media, based on the literature, I will add 10% FBS and pen/strep... except when I checked the one that we have, I found that we only have...
10 December 2023 6,681 3 View
Hello, I have been reviewing several articles on DNA methylation quantification for aging studies. I don't want to do a complete genome DNA methylation quantification, since it is quite costly,...
02 November 2023 3,006 2 View
After deprotection of the tert-butyl ester to generate the carboxylic acid in chloroform with TFA, my compound‘s pyridine moiety forms a TFacetate ammonium salt (small molecule drug, not a...
29 July 2024 9,753 3 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
I have been using Gromacs 2021.7. I wanted to simulate two small molecules in water. But, while generating the ions.tpr, I am getting the following error. The topol.top and .itp files for each...
17 July 2024 9,897 4 View
If we want to introduce a material similar to polymethyl methacrylate "with the characteristics mentioned in the next paragraph" that can be added to a precursor and create a composite, which...
03 July 2024 2,371 1 View
To prepare polymethyl methacrylate polymer for the study of acoustic properties, a mixture of methyl methacrylate monomer and benzoyl peroxide is used. This mixture is then heated and placed on a...
27 June 2024 2,087 1 View
I need to do a Schiff base reaction starting from a ketone and 1,10-phenanthroline-5-amino. I've seen that both of these starting materials are not very soluble in methanol and ethanol, which is...
23 June 2024 5,925 3 View
and chloroformate. But it takes 10 days to compete the reaction. How can I shorten the time of the reaction?
14 June 2024 2,924 3 View
Feeding zebrafish larvae properly is a challenge if we need to grow them. According to standard guidelines, how many grams or milligrams of Artemia should be given to 6 dpf larvae?
13 June 2024 389 0 View
I have porous PMMA microparticles up to 1mm in diameter. I would like to functionalise the surface with amines whilst keeping the particles intact. Chat GTP has recommended ethanolamine or ATPES...
13 June 2024 7,977 1 View
Hello. We have a sample with an unknown concentration of polyphenols. We're diluting the sample in order to perform the Folin Ciocalteau method. 0.2 grams sample / 4 mL 70% methanol and 30%...
10 June 2024 2,134 3 View