I tried to dissolve these drugs in DMSO, Ethanol 95% and Muller Hinton broth but i was unsuccessful. I should mention that I need to a solvent which doesn't have antibacterial effect.
I have a Karl-Fischer reagent (for volumetric titration, which is a one-component reagent) with a titer of 5mg/ml. All references unanimously say the Karl-Fischer solution loses its capability...
02 July 2024 5,044 3 View
Greetings and Regards I have a question about bibliometric articles about public health or nursing. If any of the researchers have experience or knowledge in this matter, please tell me. Thank You
15 June 2024 2,795 1 View
Hi everyone Is there any guideline for method validation for cosmetic? I wanna know about criteria for that.
31 May 2024 1,990 2 View
I am working on a project to detect genetic mutations in lung cancer using machine learning algorithms and I am new to genetics and medical sciences. Can I use RNA as input to the algorithm for...
13 May 2024 5,726 6 View
Generally when they want to use hydrogel for MTT assay, firstly they fix hydrogel with glutaraldehyde then use for MTT assay. so, now, i have self healing hydrogel and its have crosslinker in its...
11 May 2024 6,310 1 View
Hi Have a nice day I want to determination PAAs and PAHs in tatoo. Would you present and introduce methods to this?
02 April 2024 6,772 0 View
"Hi, I gasify the polyethylene terephthalate granules and mold them using a hot press at a temperature of 260 degrees Celsius to prepare a bulk sample. However, after molding with the hot press,...
31 March 2024 8,668 0 View
I have a dataset from lung cancer images with 163 samples (2D images). I use the fine-tuning of deep learning algorithms to classify samples, but the validation loss did not decrease. I augmented...
21 March 2024 8,344 6 View
Hello, I want to dissolve polyphthalamide in a solvent. I tested different solvents, formic acid, toluene, DMSO, alcohol-based solvents, etc. under high temperature and time, but it did not...
12 March 2024 3,030 1 View
Hi. I need to remove all microplastics of a wastewater sample without changing any physicochemical properties of the sample. Can filtration by Whatman filters (for example Whatman 589/3 with...
08 March 2024 8,722 3 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
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...
19 July 2024 8,522 0 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 am conducting free radical polymerization using Kraft lignin and MMA, with DMSO serving as the solvent and there is also an initiator. Following the reaction, I obtain a solution, but I am...
15 July 2024 9,827 1 View