How do I correct for phylogenetic nonindependence between a binary/multistate categorical variable (independent) and a continuous depedent variable?

Dear community, I am rather new to phylogenetic comparative methods and seek your advice. I want to compare a continuous trait (dependent) between species belonging to either groupA and groupB...

22 September 2020 1,618 4 View

Can you fill a quick questionnaire?

Hi there, my name is Panagiotis Koilakos and I am studying computer science in AUEB, Greece. During an HCI(Human-Computer Interaction) course, we had to select a home device and try to beautify it...

02 January 2020 4,939 3 View

How can I remove false positives using the calculated bisulfite conversion rate in a WGBS experiment?

Dear community members, We have available WGBS data for a species. We used Bismark to map the reads to the reference genome. Unmethylated lambda phage DNA was spiked-in, to estimate the bisulfite...

18 July 2018 4,081 2 View

Is there a "stress test" for fish larvae which would reveal their stress resistance without implementing violent methods (i.e. lack of oxygen)?

I need to estimate the quality of fish larvae by estimating their stress resistance OR their resistance to the lack of oxygen. However due to ethical issues I need to use non-violent methods (i.e....

27 November 2017 1,824 3 View

Is there any questionnaire or survey conducted that have measured the satisfaction of companies from a Recruitment Process Outsourcing?

I'm trying to find a questionnaire that can measure the satisfaction rate of a company according the recruitment services that a Recruitment Agency provided.

18 November 2017 9,012 3 View

Hello I would like to ask you how we can add the different sulfur compounds in hysys for the crude distillation? Thank you!

Different forms of sulfur containing compounds.

04 July 2017 9,495 9 View

Can I remove taxa from pre-existing phylogeny before running a PGLS analysis?

Hello all, I want to run a PGLS analysis. I have a phylogeny with branch lengths, but I want to run the PGLS analysis for a slightly smaller subset of taxa than the ones contained in the...

25 June 2017 7,371 0 View

How can I know all the node coordinates where pressure is calculated as also the corresponding node ID using COMSOL?

Hi,I have the square 5x5 geometry of the attached Figure. I solve a pressure distribution problem where pressure changes its values along the x-axis. I would like to know all the node coordinates...

13 September 2016 6,935 6 View

Is it possible to minimize an array of values (not just a simple function), using the genetic algorithm optimtool of Matlab?

I am conducting simulations for Genetic Algorithm using optimtool('ga') of Matlab. I would like to minimize the difference of two arrays so that I can fix the valueof a parameter which is the...

09 May 2016 4,987 4 View

Safe concenctration of Guinidine hydrochloride in cell cultures?

Hello, I need to use guinidine hydrochloride to clear any aggregates of apoA-I in my solution and then treat cells with it. What is a safe final concentration of GndHCL in the cell cultures?

26 March 2016 3,983 4 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

How to analyse monosaccharide compositions from soluble fiber?

I have tried to hydrolyze the sample using 2 M TFA at 100C for 24, 48 h and 120C for 2 h. From these conditions, the HPLC results showed that peaks were not separated into monosaccharide. I found...

17 February 2021 5,230 1 View

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Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...

16 February 2021 9,523 2 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Which non-coordinating solvent dissolves anhydrous Iron(II)chloride?

Hallo, i am looking for a non coordinating solvent that dissolves anhydrous FeCl2 for a synthesis in which i can not use solvents like thf, pyridin etc.. I already tried benzene (no solubility),...

11 February 2021 6,105 1 View

DMSO concentration in cell culture? Precipitating while PBS is added?

I am testing a compound on RAW 264.7. the compound is soluble in DMSO. but to ensure that final concentration of dmso is not more than 0.1%, we are first dissolving it in dmso and then diluting it...

11 February 2021 1,136 3 View