Is there any graph to determine the membrane pore size based on its BSA rejection percent?

Dear researchers, It is clear that BSA protein is the most common solute for membrane performance examination. However, there is no reference to check the MWCO of the membranes based on BSA...

29 April 2020 6,148 3 View

Can DMAc, NMP, DMF, TEP, DMSO, Formamide, Acetone, as organic solvents, dissolve a few drops of an oil?

Dear researchers, The mentioned solvents are organic solvents and it is thought that they can dissolve the oils. If they are not capable to do this, what is the reason? Regards DMAc:...

25 February 2020 140 2 View

EEG connectivity calculation via HERMES toolbox ?

Hello everyone I am currently trying to calculate phase lock value for my EEG data with the help of the HERMES toolbox in Matlab. I have a total of 48 subjects with different channel location...

04 January 2020 5,220 1 View

How can we calculate the amount of residual non-solvent (pore-former) additives in the membranes?

Dear researcher, We all use the non-solvent additives to improve the structure and performance of the polymeric membranes. However, the non-solvent additives can be easily washed out quickly with...

29 December 2019 5,366 1 View

What is the software that is used for adjusting and labeling the images for journal articles?

Dear researchers, I want to put my SEM photos together to have a picture like the attached photos for my article. Could you please guide me what is the software that I can use? Regards

16 December 2019 4,165 12 View

Which laboratories or institutes in Iran are able to determine estrogen hormone concentrations?

Dear researchers, I want to determine the estrogen hormone concentration in water. Where is the special laboratory to do this in Iran? Could you please guide me? Best regards

11 December 2019 2,829 2 View

What are these white bubbles on the surface of the SEM micrographs?

Dear researchers, There are some white bubbles on the surface of the SEM micrographs. What are these particles? Kind regards Foroogh

25 November 2019 5,365 3 View

How to make the brittle polymeric membranes more flexible and soft?

It is reported that PES/DMSO membranes are too brittle. Is there any method or additive to make them more flexible? Regards

18 October 2019 1,576 6 View

Can you introduce an accessible and inexpensive natural surfactant?

Dear researchers, The surfactants are extracted from the nature are more useful. Can any one introduce an available cheap (herbal) surfactant to produce water/oil emulsion? Thank you so much....

08 March 2019 4,539 7 View

Has anyone installed the Amira Avizo software?

Dear Researchers, I need a 3D photo of a porous material such as attached one only to show the porosity, not for analyzing porous materials. Can any one help me? Regards Foroogh

19 October 2018 7,403 6 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View