How can I calculate LD50 of a substance?
How can I Perform NMR analysis of Haemolymph without using D2O as a solvent?
05 June 2019 7,167 3 View
How does demographic and spatial structure modify the effects of environmental stochasticity on population dynamics?
11 December 2018 122 1 View
MicroRNA identification?
09 October 2018 8,569 0 View
How can preserve and prevent insect hemolymph from coagulation?
02 March 2018 2,752 3 View
Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...
28 February 2021 7,882 2 View
Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...
23 February 2021 8,155 5 View
When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...
21 February 2021 3,198 2 View
Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...
19 February 2021 8,351 2 View
To choose whether a parametric or a non-parametric test should be used to compare data on viability that emerge from an assay such as MTT, one should establish if the data are normally...
02 February 2021 1,733 4 View
Hello, i want to do a graphic with two curve to compare a toxicity of two metals in spss but i don't know how to do this. Can anyone help
01 February 2021 9,371 7 View
Hi all, Is there any software or webserver to read the molecular dynamics (MD) simulation trajectory which obtained from Ab initio MD simulation to calculate the atom-atom radial distribution...
25 January 2021 9,474 3 View
I am using finite difference method to discretize the parabolic equation (explicit method), but confused about the chemical reaction term. Solving the generic equation for i specie involves a...
24 January 2021 1,149 18 View
Hi all, I am trying to perform some ab inito DFT calculations using cp2k code. I have a unit cell of 120 atoms and would like to know how to refine or reduce the number of atoms in the unit cell...
20 January 2021 6,024 3 View
A cif file represents a unit cell with minimum energy. My question is, in the start of any ab initio calculation for unit cell generated from the cif file, why we are advised to optimize cell...
19 January 2021 9,883 3 View