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

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

How to do qualitative field research in a hostile environment?

It is much said about doing qualitative research and field study. I'm curious about your hints/experiences in doing ethnography in hostile environment touching sensitive topics (marginalized...

30 November 2020 4,151 14 View

What is the scenario for the gold price?

What do you think about the further growth of gold price? Do you think that the upward trend is coming to an end? Or may be we observe a temporary turbulences caused by the US presidential...

23 September 2020 1,344 4 View

How to make a one-dimensional SOM (Kohonen) map?

Could you please help me and give some tips on how to design trajectory/line using a one-dimensional Kohonen "map"? I need it to my article on bankruptcy but as I'm not statistician I can't handle...

23 September 2020 6,834 2 View

What's the acceptable value of _refine_ls_shift/su_max for Rietveld refinement?

Hi, my background is in single-crystal X-ray diffraction. Now, I am carrying out the so-called Rietveld refinements in GSAS-II and am getting quite large _refine_ls_shift/su_max values (ranging...

01 September 2020 7,012 2 View

How can I start a quantum chemistry calculations with Gaussian with modified basis set?

I want to run geometry optimization in Gausian. Currently I am running it this way: #N B3LYP/3-21G OPT NOSYMMETRY 0 6 Dy 0.00000000 0.00000000 0.00000000 F 2.14203091 0.10643632...

27 June 2020 2,912 9 View

A queueing model for the cloud computing centre?

I'm considering an analytical model for the cloud computing composed of: - input load balancer (LB) with M/M/1/K - P (PH) physical machines with hypervisors, each able to host V (VM) virtual...

18 November 2019 2,356 3 View

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07 November 2019 2,121 1 View

Suitable PhiX concentration for diversified libraries (MiSeq v2, Nextera XT)?

Dear All, could some please suggest proper PhiX concentration for multiplex Illumina sequencing with use of MiSeq kit v2 and Nextera XT. samples #1-11 are highly similar - around 50-56%GC sample...

07 September 2019 2,793 1 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View

How can I make sure that BCTC doesn't fall out of solution/form DMSO crystals when treating cells?

I resuspended my BCTC as described on the bottle at 10mg/mL in DMSO. However, I can see the formation of crystals which I can only assume are DMSO and that the drug is precipitating out of...

14 February 2021 5,633 1 View

Is there a way to tell based on appearance which protein crystal should diffract the best?

I have had unheard of success with protein crystallography lately from a super successful protein expression and purification batch. I have attained a lately reproducible vast amount of crystals...

09 February 2021 5,155 5 View

Can anyone suggest a numerical method to calculate perimeter of a contour in charge density contour maps?

Hi i have drawn the charge density contour maps using VESTA taking CHGCAR files from VASP. Now, What I Want is that I need to know the perimeter of each contour appearing in the cross section 2D...

04 February 2021 3,637 1 View

What is the molecular size for crystal violet and reactive orange 16?

I am using methyl violet 10B and reactive orange 16 (RO16) dyes for my Ph.D. research. I'm trying to find the molecular size for both of these dyes. It is possible for me to find these dyes'...

01 February 2021 3,333 4 View