Having the moderator continuous or dichotomous? Using MANOVA or the Process macro (Hayes)?

Hi community! Currently finalising my Master thesis research. I manipulated my independent variable to have three conditions. Originally, I proposed a 3(3 conditions of independent v)x2...

30 January 2021 7,821 6 View

After data collection we saw that items were missing in survey, is there any way to fix this?

Unfortunately, we just realized after data collection, when we wanted to start analyzing our data, that some items were missing in the online survey. The survey consisted of three parts (three...

21 April 2020 6,736 11 View

Can you grow MDA-MB-231 as spheroids in ULA plates without Matrigel or any other ECM?

Can MDA-MB-231 cells be grown as spheroids in just ultra low attachment plates, or do they require some extracellular matrix to give them structure?

10 April 2019 5,172 3 View

What are sound self-report instruments to assess attachment style?

A German language version of the instrument should have been established and validated, as we plan to use it in a validation study of another instrument. The measure should be suitable for the use...

15 August 2016 3,291 2 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

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02 March 2021 3,060 3 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

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28 February 2021 9,936 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 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

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

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 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