Chemists often use terms like "chemical intuition" and "chemical experience", but I'm curious to know what do they mean to the chem community. How coudl you put them in a few words?
I am working on a project that requires the usage of GEE for statistical analysis. The idea is to compare to groups that either use an intervention or not and see whether injuries differ between...
28 January 2024 8,019 1 View
Source of image: Jaquet Droz automata.
17 May 2023 9,127 1 View
I´m performing a meta-analysis and some studies report continuous data as percentage of change (pre vs. post) but does not report standard deviation from this percentage of change. I´ve been...
04 May 2023 2,326 3 View
I have a set of data from three groups across 3 time points (2 groups are subjected to an intervention and the third acts as control). I want to evaluate intra and inter-group differences between...
08 March 2023 6,758 3 View
Hello, I am doing an Ouabain resistance mutation assay and I have to use a concentration of 100nM. I'm struggling with determining how many grams I should use for my solution. Would greatly...
26 September 2021 4,682 1 View
I am following this protocol (EB mediated version)Directed differentiation of forebrain GABA interneurons from... which gives me Gad1 positive neuron networks around day 45. I am trying to...
09 July 2020 4,834 0 View
Hi! I have data on captures per year (n=13) and I want to analyze the relation with years (is it increasing, decreasing or staying the same with time). Total captures ~ year Because it is...
23 May 2020 6,152 3 View
I would like to be able to predict and determine the causes of college student dropout.
14 May 2020 6,939 1 View
Dear all, I have a data set with 7 variables. I have run a EFA and I got three factors. I want to obtain a numerical value for each factor computed from the variables that form it but I am not...
20 January 2019 2,120 3 View
I recently uploaded a public preprint of my work in reserchgate. I have now made it private, howevere, google scholar still has the link to the full pdf paper. Is it possible to remove the link or...
15 January 2019 568 3 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...
27 July 2024 5,748 0 View
It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...
25 July 2024 8,738 0 View
I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...
23 July 2024 9,938 1 View
Hi, I am a PhD student working at Jagiellonian University, Faculty of Chemistry. My work is related to the development of new analytical methods for the quantification of short-chain fatty acids...
22 July 2024 5,492 6 View
Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...
21 July 2024 1,632 0 View
what are the main points
10 July 2024 9,236 5 View
Hello dear colleagues and professors Please what is the recommended type of pseudopotentials for QE? ultrasoft or norm conserving?? And from where get all types of pseudos (us, nc, pbe,...
09 July 2024 9,541 5 View
Hi, Just curious to know that in chromatography, a chromatogram should be zoomed to what scale? 10 times of output , 50X or ..? Is there any regulation or general chapter which describes this?...
03 July 2024 3,119 6 View