Professional advise will be appreciated, What potential risks if my sample solvent is stronger than my mobile phase in HPLC analysis? What happen or causes and solution
Kindly assist about the evaluation of the concentration of the standard preparation against an independent standard preparation, prior to determine the selected sample calibration curve graph.
08 September 2018 4,216 0 View
Please advice on best method approach to choose suitable column for HPLC to analyze targeted samples.
07 August 2018 4,700 0 View
Kindly help with details advantages of Column chromatography over Preparative Layer Plates and disadvantages or vice versa for HPLC analysis
06 July 2018 8,688 3 View
Kindly help the recommended procedure to clean the HPLC column daily before and after used
06 July 2018 1,880 2 View
Which method of separation is more preferable, HPLC, NMR or GC for the determination of diatereoselectivity in polar or non-polar aldol products. What are the advantages or disadvantages of HPLC...
05 June 2018 7,753 9 View
I need comprehensive procedure for the determination of diastereoselectivity by H NMR in the reaction mixture?
05 June 2018 7,161 2 View
Please, I have problems with ChiralPack IB column, can anyone suggest any possible solution because having poor baseline and can't find corresponding peaks.
01 January 1970 8,562 0 View
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance
03 March 2021 3,568 1 View
Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...
03 March 2021 5,978 5 View
I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...
03 March 2021 7,540 4 View
What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...
03 March 2021 1,401 3 View
I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...
03 March 2021 8,920 3 View
dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...
03 March 2021 6,994 5 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.
02 March 2021 4,359 3 View
If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis
02 March 2021 7,670 3 View