This is for stable isotope analysis
Institut des Sciences Analytiques
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How are FTIR spectrometer and Q-TOF LC/MS differentially capable in identifying unknown compounds ?
01 February 2016 8,139 2 View
When u extract histamine in fish and analyse by UPLC, u find lot of orher peaks other than histamine. Could someone list lhe other metabolites and is there a way of identifying it.
08 September 2015 6,384 6 View
The essential oil content in the rose or flower water will determine the quality of the product. Has anyone has developed a specific method.
02 March 2015 7,224 2 View
Why is it that honey requires C-3 plant sugars?
01 February 2015 5,569 14 View
When the fish is more putrified, I noticed a shift in the retention time of histamine
01 February 2015 5,110 1 View
As it is closely related species, in the spoilage fishes u find close retention times
11 December 2014 5,550 2 View
Could be a full text reference
11 December 2014 9,263 3 View
I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 View
I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
09 August 2024 5,048 2 View
One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...
08 August 2024 6,690 1 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.
07 August 2024 5,307 1 View