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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

No title

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

Purified protein requires Calcium for activation, but the elution buffer I used seems to interact with Calcium, help?

09 February 2021 6,946 4 View

Why am I getting such large heats of dilution in my Isothermal Titration Calorimetry Experiment?

I am trying to measure binding of calcium to an expressed protein we are studying and am getting very large heats of dilution for the calcium solution in my control tests. We prepared a 1 M CaCl2...

07 February 2021 7,532 1 View

How can you accurately induce calcium overload and measure membrane potential in cultured Tg2576 neuronal cells using whole cell patch clamp method?

Hi there, I'm currently working on a project where i need to design an experiment but as i have little to no experience with this level of experimental design and no face to face help i am really...

22 January 2021 6,728 3 View

Why calcium oxide nanoparticles becomes black at 650 degree temp?

Please tell me, which temp can I select for neglect black color of the Calcium oxide nanoparticles ..

14 January 2021 5,341 5 View

What acid can be used to dissolve limestone to extract microfossils?

I am trying to extract possible Loriciferans from mudstone, attempts with acetic acid (15%) and chloridric acid (37%) have failed to dissolve the rock, would a higher concentration (50%) of HCl...

17 December 2020 5,897 7 View

How to quantify/detect change in fluorescence in calcium images from different sessions?

Hi, I have 2 3d tiff stacks collected by imaging along axial plane of mouse brain area in vivo from different days, before and after fluorescent viral injection. I want to detect changes in...

10 December 2020 5,046 3 View

How to know if 87Sr/86Sr is reliable for Sr isotope chemostratigraphy in marbles?

I am currently looking for parameters to know if 87Sr/86Sr data is reliable for chemostratigrahy in marbles, and/or parameters to know if those marbles have had some post-depositional...

30 November 2020 9,032 8 View

How should I prepare solutions of divalent metals at neutral pH?

Hello, I would like to prepare metal solutions of 50 mM Mg, Zn, Ca, and Cu (separately) from their chloride salts, to study protein-metal-ion interaction. For this reason, I would prefer that it...

25 November 2020 1,924 11 View