How should I go about evaluating cytoplasmic and nuclear Arginase-1 activity?

Hello! I've stained some bright field Arginase-1 Hematoxylin slides, but I'm having a hard time finding any computed histology predicates for evaluating the intensity of the cytoplasm verses the...

03 February 2021 3,039 1 View

Does anyone know why I would have unexplained emission overlap for flow cytometry?

Hello, I am new to flow cytometry, and was just using a sample cell population to train with the technician. The cells were PAC-1 cells split into four groups. Unstained, transiently transfected...

28 January 2021 969 2 View

Does anyone know of a library for R that includes phi?

I'm looking to produce some phi correlations and I'd rather not do it manually, but I can't find a library for R that includes phi.

18 January 2021 2,808 9 View

In SEM, how to interpret standardised regression weights and their significance?

I have a SEM model that I'm having difficulty interpreting. It has one direct effect with a Beta/standardised regression weight that appears to be high (0.80) and significant (p

31 December 2020 7,604 6 View

Does anyone know how to add custom text to a violin plot in r, ggpubr made using the ggviolin line?

I've produced a violin plot for a point-biserial correlation. Main title is there, x and y are labelled, but I want to add a custom text box with the correlation coefficient and significance...

26 December 2020 4,480 4 View

How do I interpret these correlations and p-values?

I've just run a series of point biserial correlation tests in R between whether or not characters were assigned national identities, and attributions given to their behaviours - results shown in...

17 December 2020 9,825 4 View

Is it possible to fuse Deep Learning Net and Clustering Algotrithm?

What I did (unpublished yet) is extract several (e.g. 16) mask features within Mask R-CNN from multiple images, construct a distance metric to compare them to predict the image class. Each set of...

13 December 2020 9,504 2 View

Are there models trained+evaluated on multiple datasets?

Generalization of COVID-19 models is a very serious challenge. I'm trying to find a model (ct scans or x-rays) that was trained and evaluated on multiple datasets. It would be particular...

03 December 2020 8,863 4 View

Are there models trained on both x-ray and ct scans for COVID-19 prediction?

I've only come across models that were trained and evaluated on one of these data. I don't see why it would be a problem to do both, as there are many similar features.

03 December 2020 8,310 3 View

When examining a series with different numbers of episodes per series, should I treat it as single sample, use harmonic mean or some other approach?

I'm currently examining how the behaviours of fictional characters are explained to child audiences through attribution theory as part of a study into the psychology of how children learn about...

27 November 2020 8,229 3 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 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