What role should journals play in leading academic fields?

A recent paper by Yeung and Thomas (2021) on journals in event management opens up an interesting debate on the role of journals as academic fora. They demonstrate that event management publishing...

28 February 2021 3,494 6 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Would bisulfide sequencing result be affected if the tissue is fixed by perfusion?

I am looking into DNA methylation of mice as an aging marker along with other assays and recently I added brain IF to the list of assays. For this, I need to fix the brain by transcardial...

09 February 2021 9,012 3 View

Why E1g mode (Molybdenum disulfide) is undetectable in Raman spectroscopy?

I synthesized 1T/2H hybrid phase MoS2 on a graphite foil surface by hydrothermal method, and then analyzed it by Raman spectroscopy. As a result, three new peaks correspond to the 1T phase were...

04 February 2021 6,580 2 View

Can I use 500ng of DNA for restriction digestion?

The recommended amount of DNA for restriction digestion is 1ug in a 50ul rx I've got around 500-600ng of DNA in a total volume of 35ul. Would I get satisfactory results with this amount of DNA for...

31 January 2021 729 6 View

Difficulties purifying Outer Membrane Vesicles using a Sucrose Density Gradient: Unable to detect any protein after this process?

I'm currently trying to purify Outer Membrane Vesicles (OMVs) following their extraction from the bacteria I'm working with. After the initial extraction the concentration of protein seems good...

27 January 2021 6,852 3 View

Does Anyone Know of a Way to Detect Melatonin that is NOT HPLC, RIA or Mass Spec?

I tried to do a Slot Blot and was not successful and melatonin is only .23 Kda so it would probably run off a western blot. Has anyone had success with other methods?

23 January 2021 1,388 3 View

Where can I find these two papers?

14 January 2021 1,572 3 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 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