In order to advace my research I am trying to find host lab where I can find MALDI-TOF/MS, LC-MS/MS, Electrophoerse capillaire
I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...
02 March 2021 7,626 1 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...
26 February 2021 6,799 3 View
Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...
23 February 2021 9,159 3 View
I analyzed soil and ash samples using ICP-MS for 28 metals, then I resuspended those samples to collect PM2.5 particles in a filter using a selective inlet inlet. My only issue that Fe and Al...
13 February 2021 7,592 3 View
I was analyzing some metabolites in human plasma. While the intraday precision of these metabolites was acceptable ( less than 20%), the interday precision was quite large. So what influences...
13 February 2021 9,183 9 View
I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...
09 February 2021 1,995 1 View
Hi Everyone: I want to quantify the relative amount of a protein in 2 samples. I will first digest the sample with trypsin, and subject the resulting peptides to LC-MS/MS analysis. I will then...
25 January 2021 8,333 3 View
We keep getting this error on our Agilent 6470 TQ. We were told it could either be our N2 generator or filter traps. We've called the manufacturer of our generator and they believe it's working...
21 January 2021 2,969 1 View
What are the common adulterants in commercial honey? how to identify pure honey and adulterated honey with the help of NMR spectroscopy? Is there any other technique to check purity of honey?
20 January 2021 5,456 12 View