The Akaike information criterion of the random forest model ?

Please, how to calculate the number of model parameters of the random forest model to determine the Akaike Information Criterion (AIC) using this following expression: AIC = n * log(MSE) + 2 *...

27 January 2021 816 6 View

How do we decide BSA percentage in our buffer solution?

Hi all, I am trying to test my polymer stability in biological medium. I know how to make 1% /5% etc of BSA in buffer but I am not sure how do we actually decide this percentage volume. Is there...

05 January 2021 649 2 View

Any propositions for scientific journals for AI (machine learning) that do not take time for reviewing, max 3 months for response?

im searching for journals that do not take time for reviewing and response for max of 3 months. Not open access journals.

27 December 2020 1,978 9 View

Is it better to normalize Nile red absorbance to Bradford assay or to cell number?

I stained the fat droplet inside the cell using Nile red and read the absorbance by a microplate reader. Which better to do, normalize the Nile red absorbance to Bradford assay or to cell...

12 December 2020 8,036 2 View

Prevent contamination of solution in oven?

Hi all, I am trying to test stability of my electrode immersed in solution. I intent to keep them in oven for 3 weeks as to represent accelerate ageing. However, my worry is that the solution...

28 October 2020 8,351 2 View

Calcul Max (Stress, Strain) In Excel?

Dear researchers, I performed mechanical tensile tests and obtained results in the form of two columns (force in N, displacement in mm) after I calculated (stress in MPa, strain %). I would like...

05 October 2020 3,024 2 View

What are the adverse effects of mercury on atmosphere ?

05 October 2020 3,241 13 View

What is the time required to complete the reaction of green synthesis of nanoparticles?

The time required to complete the reaction of green synthesis of nanoparticles.

01 September 2020 8,497 4 View

Are you interested in learning about post war reconstruction?

Third edition application is open soon... if you are an Engineer, medical doctor, teacher, manager ...etc. and interested in learning about reconstruction, and development management , this is...

06 August 2020 1,139 3 View

Which is the best framework to use for building deep learning models to process big data (hadoop cluster), tensorflow or h2o?

im searching for efficient frameworks and easy to use, that implement deep learning models on big data (hadoop cluster)

20 July 2020 7,667 3 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

Is there a method for evaluating nanoparticle adhesion to epithelial tissue in vitro?

I want to measure how well nanoparticles can transfect cells based on NP adhesion properties. In the literature I find people do it in animal studies, and epithelial adhesion helps in transfection...

21 February 2021 7,791 3 View

Is there a way to grow biofilm in lab to mimic biofilms in showers and baths? Also, how can I measure it?

Hello, I am new to biofilm research and have a question about growing and measuring biofilms. We want to research the effect of a type of enzymes in breaking down biofilms in showers, baths, hot...

14 February 2021 3,522 3 View

How to improve the adhesion of epoxy coating on steel substrate? Which factor affects?

I am facing a problem regarding a de-adhesion problem with the coating. A brief description of my methodology is given below. I am using mild or Low Carbon steel as a substrate and I polish the...

14 February 2021 2,167 4 View

Why do my fibroblasts under hypoxia conditions proliferate slower than the same fibroblasts under normoxic conditions?

I am using healthy control lung fibroblasts in a 96 hour experiment with two drugs (nintedanib and Pirfenidone) and vehicle controls for both. I have both hypoxia (approx 1% O2) and normoxia...

12 January 2021 6,260 1 View

How can I connect HC-05 to epoc x ( EEG ) sensor ?

Greetings , my name is Abdul and I have this research on how to move a module car by brain wave . The EEG sensor I have is emotive epoc x , I did the data analysis and am ready to move the car but...

11 January 2021 7,204 1 View

My HBMEC cells do not adhere to the plate. What should I do?

I have HBMEC cells that are not sticking to the plate. I already increased the fetal bovine serum concentration, but nothing worked. I have already collected the cells that did not adhere and...

08 January 2021 9,680 3 View

Is it possible to grow human monocytes in DMEM?

I need to purify monocytes isolated from human peripheral blood using the plate adhesion methodology. However, I only have DMEM in the laboratory. I did a pilot and the cells did not adhere...

09 December 2020 2,555 3 View

Does crystallinity degree, (and crystalline phase) of a polymer affect its surface energy and adhesion?

I have several PLLA electrospun nanofibers with different crystallinity degrees and also different crystalline phases and I am measuring the adhesion force by AFM-based techniques. I wonder if we...

28 November 2020 3,269 5 View