How to compare means of continuous data with zero-inflation and skew?

I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...

18 February 2021 1,258 4 View

Fluo 3-AM in pancreatic beta-cells?

Dear all, I'm trying to understand if a molecule of my interest (capable of inducing glucose-stimulated insulin secretion) determines an increase in intracellular calcium levels in the presence of...

16 February 2021 453 2 View

Are there commercially available fluorescence-tagged Influenza A virus?

30 November 2020 9,445 1 View

What tests for: 1. differences between continuous variables when grouped with different categorical ones; 2. significance of potential relationships?

Hello. I was wondering if anyone had suggestions in terms of what exploratory analysis to carry out for my dissertation with the following data. I measured N=26 participants pre and post an...

09 August 2020 5,256 5 View

Wavy looking bands In western blots?

Hello everybody, from some time, I keep having waving bands in the lower part of my gel, like the proteins are not running on a flat front. I cast my own gels and run them at 90V at the beginning...

26 May 2020 937 3 View

SURVEY - how people changed attitude toward green spaces & urban forests during the COVID19 quarantine?

https://vub.fra1.qualtrics.com/jfe/form/SV_5bSsVfI1g1VgI7j While shaking our society and turning our way of living upside down, the COVID19 pandemic is also putting the relation between nature...

15 May 2020 2,339 8 View

Direct Input of the Occupation Matrix?

I'm implementing the Occupation Matrix Control scheme (OMC) in VASP DFT+U calculations via direcct input of the Occupation Matrix. This requires an external input file (OCCMATRIX) containing the...

17 March 2020 1,921 1 View

Glycerol topology/structure for GROMOS87/Berger forcefield?

Hello all, I need the topology /structure file of the glycerol for the GROMOS87 forcefield. Is some repository available online or do someone know how can I derive them by myself (maybe some tool...

12 March 2020 8,858 2 View

How to interpret moderating effect in PLS?

I am running a Partial Least Squadre Path Modelling in R and I have a Moderating effect (explained by one scalar variable) between my exogenous x and my endogenous y. The only variable that...

25 February 2020 8,022 4 View

Recombinant protein for antibody neutralization?

I need to understand if an antibody I'm using is specific or not. The antibody is not validated. In immunoblotting, the antibody detects a prominent band at the right molecular weight and two...

29 April 2019 4,752 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How does one access the Cranet survey data on HRM practices?

Hello, The Cranet website does not provide any lead to the data obtained from their multinational survey on HRM practices. Any help on accessing the data would be most appreciated. Thank...

01 March 2021 9,536 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 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

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

No mRNA increase in PCR after successful transfection in ARPE-19 cells ?

Hello, i am a bit curious about my results. I transfected the human cell Line ARPE-19 with a Plasmid containing a GFP tagged p53 (p53-GFP, Plasmid #11770). After 24h i checked under the...

18 February 2021 3,811 7 View