Should I include censored data into my Log-rank test of Kaplan-Meier curves in JMP?

I am disecting my Kaplan-Meier curves, of four different phenotypes of C. elegans, into first 8 days and last 20 days, in order to analyse in which period there is significant difference in the...

02 March 2016 765 6 View

Which database can I use for synteny analysis of a large collection of bacterial species?

I need to do a synteny analysis of 250 genes, belonging to bacterial species from across the whole kingdom, all of which are part of the same superfamily (of genes). Xbase is currently down, the...

07 August 2015 511 5 View

Is it wrong to use 16s rRNA sequences of strains other than the one you want to include in your phylogenetic tree?

Hi everyone. I am trying to create a phylogenetic tree, however NCBI lacks 16s rRNA sequences for some of the strains I am looking for although it does provide sequences for the other strains of...

07 August 2015 8,766 7 View

Why do E.coli cells, unable to metabolise maltose, turn white on MacConkey agar that is supplied with maltose?

I would like to know what is causing the red colour. Thank you.

02 March 2015 8,786 4 View

Is there a solid molecular understanding of why dipoildy might have been essential for the evolution of multicellularity?

01 February 2015 6,200 8 View

Why are biological membranes amenable to sucrose density gradient centrifugation, but proteins are not?

11 December 2014 526 4 View

What is a good introductory book on game theory with an evolutionary biology overlay?

I am looking for a book that is introductory in terms of mathematics, yet does not hesitate to go into detail after a nice introduction, while advanced on the evolutionary aspect. Thank you.

11 December 2014 5,146 15 View

Could quantum entanglement be explained via quantum tunnelling of information?

More precisely through quantum tunnelling of information via the time dimension.

08 September 2014 4,191 2 View

Is parallel computing, using CUDA, limited to certain softwares/programming platforms?

Hi all, I would like to establish parallel computing by using the GPU of my M2000 Nvidia graphics card. I was wondering if this works for all the softwares, in my case bioinformatics softwares...

01 January 1970 5,598 12 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View