Which approach and tests for statistical spheroid characterization ?

hello, I'm trying to find a well defined protocol to asses spheroid growth during a period. I want to characterize diameter evolution first, then compare with another medium composition ....

24 December 2020 9,546 5 View

How to estimate prediction bound (interval) ?

Prediction bounds are relatively important when an interval considering the error of the regression model and not only sampling error comparing to the confidence interval.

13 December 2020 8,617 4 View

How to avoid 3D spheres collapsing after fixation ?

Hello everyone, i'm trying to generate 3d spheres of mesenchymal stem cells. when i had to perform ICC, trasferred my spheres into a plastic dish , i let them settle down till they attached. i...

07 July 2020 8,862 8 View

How can i calculate the effective mass of electron and hole for perovskite materials from Wien2k calculations (DFT) ?

I have generated the band structure of my material using Wien2k software , Please could you explain me how we can calculate the effective mass of electron and hole for perovskite materials...

01 June 2020 604 6 View

Haw to use this Enzyme. final volume 25 ul ?

description in attached file

12 February 2020 547 1 View

What's the relationship between the decrease in the intensity of the x-rays diffraction peak and the cracks spreading in a polymer thin film ?

Relationship between the decrease in the intensity of the x-rays diffraction peak and the cracks spreading in a polymer thin film

23 December 2019 8,404 4 View

Where I can find the dataset of cyber security attacks?

looking for attacks dataset, intrusion, binaries or anything related to Cyber attacks. It would be appreciated if any body share it. Thankx

04 May 2019 7,108 3 View

Are there any tools for interpretability for Fully Connected Neural Networks?

Hi I am currently trying to interpret the predictions of a fully connected Neural Network on a regression task. The inputs are adjacency matrices for a brain neural networks (from diffusion MRI...

02 April 2019 4,564 4 View

How to distinguish Chloride from a solution containing other similar anions?

Hello, I just joined a laboratory for my end-of-studies internship that tries to develop a device that could help evaluate the chloride concentration of biological samples. However, as you may...

03 March 2019 6,616 3 View

Validate my Model with SEM ?

I'm looking for ways to validate my causal model with the structural equation model (SEM), could you help me?

24 February 2019 7,447 3 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

What does Servant Leadership mean today and in the future? What are the advantages and disadvantages?

In current time of many changes in business and world of work, a lot is said and reported about the importance, skills and benefits of leadership. Are soft skills becoming more and more important?...

02 March 2021 8,149 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 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

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View