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

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

What is the best introductory book on thermodynamics for biologists?

11 December 2014 5,658 3 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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

Why does two different bioinformatics tools for the same proteins show different subcellular localizations?

During a computational analysis, I found that for a protein of a plant, two different subcellular localizations are seen using CELLO and WoLF PSORT. For example, in CELLO, it identified the...

01 March 2021 6,729 2 View