Why we can not use deep eutectic solvent as extraction solvent in LC-MS ?! Is this related to the high viscosity of most of them ? or their low volatility ?!!
Hi. I am working on a project to study the cytotoxicity effects of various photoinitiators on different cell lines. However, I am not sure how I can dissolve Irgacure 2959 and TPO since using...
26 October 2023 8,279 2 View
Iraq has no barite, but celestite can be found on some sites, need to use this celestite as a partial or total substitute for barite in thinking the drilling mud in the oil industry in Iraq
15 April 2023 565 0 View
we have a process to precipitate CaCO3 we need to control product particle size
11 March 2023 4,920 7 View
Hi All I am participating in research on numerical simulation of tall buildings' behaviour under different levels of wind speeds (in terms of magnitude). My team need secondary experimental data...
14 September 2022 8,040 2 View
I am working on neuroblastoma cells and just wanted to optimize cell culture conditions. I just need to know whether RPMI 1640 with HEPES can be used or not. Thanks in advance.
17 November 2020 263 0 View
I have ctab capped gold nanoparticle dispersed in water. I want to transfer the gold nanoparticle into a non-aqueous or organic medium. Can anyone please suggest me how to successfully transfer...
14 October 2020 2,904 4 View
Dear all We tried to switch on the LC system of our Agilent Q-TOF, however upon switching on the binary pump, it takes a minute and then an error appears. When we tried to check the pump by...
17 June 2020 8,730 0 View
Power plants use HFO and crude oil in the combustion chamber, the damages caused by vanadium pentoxide is very harmful to the power plant so I have to add inhibitor to the fuel
08 June 2020 7,138 0 View
I need to refine metallurgical silicon to poly crystalline silicon but the source contain 60 ppmw P and 40 ppmw B
11 May 2020 7,843 1 View
I have to produce MG-Si with lower P & B content, I already use charcoal and coke but the P&B content is very high
11 May 2020 4,295 0 View
Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...
11 August 2024 7,082 3 View
Some sources say it is treated as Newtonian as ethylene glycol has a higher viscosity than water, which affects the flow characteristics in simulations. But some also say it is non-Newtonian.
09 August 2024 2,111 2 View
I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...
08 August 2024 9,882 2 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this
05 August 2024 7,902 3 View
I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...
05 August 2024 9,798 3 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...
04 August 2024 501 2 View
HOW CAN I WRITE A CODE TO USE THE WAVENET TRANSFORM AS A FEATURE EXTRACTION METHOD INSTEAD OF DWT IN MATLAB?
03 August 2024 7,829 0 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