Can I use this formula to convert UV-vis DRS reflectance(R) data to Absorbance?
i m interested in pca analysis of c-alpha atoms in gromacs for that i used the following gmx_mpi covar -s mdca.tpr -f mdca.xtc -o eigenvalca.xvg -v eigenvecca.trr -av average.pdb -n index.ndx but...
30 July 2024 1,607 1 View
Dear All: I have to quantify the fluorescence intensity of cells that are fluorescent to two different markers, so i'm interested in finding out if this is possible. Previously I have...
22 July 2024 8,770 1 View
i am using the trjconv command in gromacs gmx_mpi -debug trjconv -s md.gro -f md.xtc -o utr.xtc -fit rot+trans and after few steps i got the error gmx_mpi': corrupted size vs. prev_size:...
17 July 2024 6,216 1 View
I am trying to load curcumin emulsion in 4% chitosan gel but i don not know how many mg powder is needed ?
10 July 2024 2,462 1 View
I am facing a difficulty to prepare the thin film which contains fluorine contained silica monomer, as we know F is highly reactive with low surface energy and it could be the reason of low...
09 July 2024 6,017 3 View
I'm currently doing an experiment where I'm following the expression of a reporter gene (GFP) along growth using S. cerevisiae. The cultivations last around 48 hours. I observed that the results...
10 June 2024 5,941 3 View
spectrophotometric determination of iron and copper
04 June 2024 1,720 0 View
Please share it in details. Thank you!
27 May 2024 5,447 1 View
The equation in fig.1 can be transformed to the one in fig.2. Using ‘atan’, we can turn the periodic function ‘tan’,which is on the left of Eq.1, to the sum of ‘atan’ and l*π. However, for the...
14 May 2024 8,585 4 View
I am isolating the crypt from mouse small intestine the following several modification of EDTA concentration, 3mM (30 min), 5mM (30 min), 20mM (25 min) at 4 degree. For all the EDTA...
09 May 2024 9,005 2 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 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
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View
I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....
31 July 2024 3,843 7 View
Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.
31 July 2024 9,140 2 View
Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...
29 July 2024 1,376 0 View
How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...
28 July 2024 9,165 2 View
While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...
26 July 2024 7,542 4 View
In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?
25 July 2024 2,325 1 View
Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...
23 July 2024 6,127 1 View