How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

How to solve the fatal error "the entire source was rejected" in MCNP?

Simple geometry was made having concentric cylinders bounded by a square region. The geometry has a reflective boundary. The source was defined at one point in the boundary and when it had been...

17 February 2021 4,364 3 View

How does a freeze dryer destruct your solid sample?

Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...

15 February 2021 6,749 2 View

How can I convert permeability unit from barrer to m^2 for using COMSOL MultiPhysics?

I am looking for gas permeability of PDMS for simulation in COMSOL MultiPhysics and using creeping flow , fluid and matrix properties. The permeability unit in COMSOL is m^2 whereas I have the...

08 February 2021 4,305 2 View

How to model Type 1 collagen structure for finite element analysis ?

I have started a project in which stress distribution in Type 1-collagen scaffold is to be modelled. I am thinking of using finite element analysis to model the structure and the loading...

07 February 2021 5,487 3 View

Hey guys, I'm looking for an efficient protocol to transfect patient-derived tumor cells with a high rate of transient transfection?

As you know it's quite tricky to get primary cells transfected at a relatively high rate!

31 January 2021 3,580 4 View

Unbalanced panel data fixed fir effects and industry-by-year fixed effects. Is plm package suitable? or lme in rstudio?

I am not sure if an unbalanced panel data set doesn't give me good results. Do I have to have all years of my panel data? How do I select the variables? I only select those where I have no missing...

30 January 2021 7,258 6 View

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 3 View

Can someone let me know literature on Intuitionistic Fuzzy Information Systems?

Fuzzy Information Systems are well known long since. There are two popular type of such systems in the form of Mamdani model and Sugeno model. Intuitionistic fuzzy sets are generalizations of...

19 February 2021 3,118 1 View

Can we use image data in MATLAB Neuro Fuzzy Designer ?

I have remotely sensed data (image) that I want to use in the Neuro-Fuzzy Designer apps of MATLAB. Is it possible to use an image file in the Neuro-Fuzzy Designer app or only numeric data is...

17 February 2021 1,205 5 View

How can we determine the positive definiteness of multivariable polyomial? Is there any MATLAB function available for that?

Can we check the positive definiteness of a multivariable polynomial using MATLAB functions? Of course in literature, there are few complex methods that use tensor algebra. However, before going...

16 February 2021 1,218 3 View

Is there any research Mathematical perceptions depending on type of personalities?

My dissertation thesis is Perceptions of mathematical ceonceptions depending on Myers-Briggs Type Indicator personalities. It can includes methods of solving, understanding, imaginations of math...

07 February 2021 9,880 4 View

How to generate MATLAB code from ANFIS model?

Dear scholars, I was wondering how can I generate MATLAB code of an ANFIS (FIS) model? I need to integrate my ANFIS (FIS)/Fuzzy logic system into another MATLAB code to render optimizations. Do...

04 February 2021 6,098 4 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

How to write a literature review on fuzzy cognitive map?

want to know how to write a literature review regarding fuzzy cognitive map for my thesis work .Is there any website or search engine to write a literature review otherwise give me a idea to...

29 January 2021 4,015 4 View

Please ,How can I correct this kind of error?

27 January 2021 4,815 5 View

Best books to self study number theory and especially diophantine equations?

Hi, I'm an undergraduate math student. I've already passed linear and abstract algebra and recently passed a course in elementary number theory and I really enjoyed it. now I wanna self-study more...

25 January 2021 4,279 17 View