Review and cite PEAKS protocol, troubleshooting and other methodology information | Contact experts in PEAKS to get answers
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14 September 2022 9,188 1 View
Whenever I do DFT calculations with point charges in the solvation model, I receive this in the output file. Warning! Some of the external charges might be outside the PCM cavity: The...
13 September 2022 436 0 View
I am looking to stimulate an E17 FTOC with various antibodies. What is the best way to plate the desired antibodies? Should I plate directly into the culture media and let sit for the desired...
29 August 2022 2,477 0 View
Hello, I'm working as an engineer in a lab. Can somebody help me with how I determine the residual styrene in unsaturated polyester resin-based plastics using which analysis method or...
13 July 2022 2,592 4 View
Dear colleagues, Does anyone know producers of smaller O2 and CO2 sensors, PC, USB conections with softver, for measuring concentations during electrolysis? Any related paper will be...
03 July 2022 5,188 0 View
The crystallite size can certainly affect the phonon interactions in the system, and one may expect the Raman linewidth associated with the molecules of a given sample to differ in crystalline and...
03 May 2022 7,191 4 View
Greetings, I need to calculate the size of crystallites through Scherrer equation based on x-ray diffraction data. However, this is done by the line broadening at half the maximum intensity (FWHM)...
29 April 2022 9,164 7 View
We are trying to design Mesoporous Silica Nanoparticles for breast cancer treatment by PhotoDynamic Therapy. And we are challenging with a question that Which ligand should we add onto the...
25 April 2022 1,481 1 View
Recently I used Raman spectroscopy to analyze some inclusions in diamond, and some of the inclusions showing hexagonal outline feature displayed raman peaks of about 367, 690, and 1027, the peak...
18 April 2022 3,558 3 View
I am beginner at XPS and I don´t really understand the theory behind why the FWHM should be the same for doublet peaks.
17 April 2022 9,362 3 View
I am fitting a W4d orbital where the 5/2 peak height appears to be smaller than the 3/2. I have tried with multiple curve fittings but the FWHMs are very high, between 4 and 6 eV. When using...
17 April 2022 3,823 3 View
I am trying to study the interaction of my protein with a small molecule ligand by trp fluorescence spectroscopy. My protein has molecular weight of 16 kDa and has 2 tryptophan residues. I am...
26 March 2022 3,391 2 View
Hello, I have deposited some ZrN coatings with different amounts of Cu (0-30 at.%) by reactive magnetron sputtering. In the XRD patterns, I can see the shift to the higher diffraction 2-thetas but...
25 March 2022 6,892 9 View
can anyone help me in analyzing the XRD peaks?
09 March 2022 7,056 3 View
so i got the peak for cyanidin glucoside correspond to the reference standard but i have other peaks in my samples how can i identify them?
05 March 2022 3,789 7 View
Please, do you have any experience with this kinf of peaks in 13C NMR chromatogram? Do I have to consider 2 carbons or just 1 for each peaks shape?
28 February 2022 2,382 6 View
Hi All, Can anyone please assist, direct me about how to use, get benefits from the FTIR peaks attached? Is the FTIR wavenumber mean that there is a specific bond for each wavenumber?
26 February 2022 8,899 6 View
I got my fragment analysis results of Microsatellite markers designed using haploid species. I am using a gene marker to analyze the peaks. I read that since it is haploid, i should see only one...
25 February 2022 1,107 9 View
Hello everyone 2-3 months I start getting weird XRD diffractograms. I was performing locked couple analysys on some polycrsitalline films. I am analysing those films for years so I know them quite...
21 February 2022 1,775 6 View
What is the reason of such solvent peaks and noise? Are they indication of any peak? Can these peaks be taken or considered? If not, what can be done?
17 February 2022 7,374 2 View
Meaning, what to start with when designing Brushless motor, calculation involving coil length and turns
17 February 2022 4,638 0 View
In my FTIR spectra, more than one peak appeared in the range between 3700 and 4000. What do these peaks indicate? And can I find someone who can help explain my spectra?
10 February 2022 960 2 View
Because Fe2O3, CuO, and MnO have satellite peaks in different positions.
10 February 2022 8,237 3 View
Hello. My XRD data shows that with prolonging the milling time, peaks become more sharp and have higher intensity. Is there an explanation for it?
09 February 2022 808 7 View