How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

Failed Chromatograms on HPLC-ESI Orbitrap?

Hello fellow researchers, I recently have a problem with an HPLC coupled to an Orbitrap mass analyzer. I usually use some protein mix to make sure the equipment is ready to separate and read...

09 February 2021 3,595 8 View

Do you know any available open-source data on animal behavior for model validation?

In my research related to monitoring the cow behavior with help of sensors I have a permanent and principal problem with the data for model validation. I tried to find some available open-source...

26 December 2020 8,197 2 View

Do you know of research in communication/media studies using "Activity theory" ?

Hello, For a project which studies how teens deal with social media and their interfaces, I'm interested in so-called "activity theory" (also know as cultural-historical activity theory). I know...

21 October 2020 2,364 4 View

Northern blotting advice?

Hi everyone! Does anybody know about a good website or place to get some guidance on Northern blotting? Also, advice on blotting the RNA ladder?

07 October 2020 739 3 View

Did somebody tried to use the attR1 and attR2 sites without the chloranphenicol resistance gene i.e. AttR1-ccdB-AttR2?

I am trying to design a vector as compact as posible to test DNA transcriptional enhancer and/or repressor activity, I already have a compact bacbone (pICOz vector), minimal promoter, translation...

22 August 2020 1,083 1 View

How to amplify phage DNA (dsDNA) for producing restriction profiles?

Hi everybody! I need to amplify phage DNA so as to be able to produce restriction profiles using different restriction endonucleases. Can anyone recommend which primers should I use? I know random...

06 August 2020 1,194 3 View

Is there any method for tuning Subspace Predictive Controllers (SPC)?

My current research is about SPC and I'm interested in tuning strategies for these types of predictive control approaches. The cost function is on the photo and the tuning parameters are Np...

23 July 2020 1,176 1 View

Some TWIP steels are susceptible to hydrogen-induced failure, but adding up to 2% aluminu improves the situation. What mechanisms explain this phenom?

On the role of aluminum in TWIP steels

22 July 2020 5,670 4 View

Do you think the teacher should switch roles with the students while teaching a foreign language through TIC?

There are some theories, as Pelgrum and Law (2003) suggested that it is necessary to make a switch between the teacher and the student roles. I mean, the student should be also the active role in...

15 July 2020 5,169 15 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

What statistical test do I use when analysing data from the social physique anxiety scale?

I am researching the effect of social media on social physique anxiety of young adults. What statistical test do I use when analysing data from the social physique anxiety scale? (Leary, 2013)

03 February 2021 2,618 5 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

Does anyone know of a stress scale, corona virus anxiety scale?

Any scale measuring stress, caution of exiting the home during COVID precautions, how cautious an individual is about COVID?

06 January 2021 2,396 3 View

Interpreting regression findings prior to inclusion of control variable?

I'm looking for advice on interpreting a statistical relationship - it's for a paper I am reviewing. (Variable names have been changed). It was found that: [IV anxiety + control variables y and...

06 January 2021 558 3 View

What is the impact of Pandemic on the higher education faculty?

Work life Balance, Stress, Anxiety, Effective teaching

28 December 2020 6,201 3 View

Which statistics to be used?

18 December 2020 7,071 11 View

Why is an Appreciable Percentage of People Unwilling to receive Vaccination for COVID-19?

Almost 50% of US residents and ~ 33 % Britons have refused vaccination on one pretext or the other!! Angst related to side effects could be a cause or the alacrity of the vaccination's manufacture...

17 December 2020 1,667 17 View

What statistical test should I use for my research project?

I am doing a research project on social media usage and how it contributes to anxiety and depression. I had some peers take a survey asking about their social media usage and their related...

02 December 2020 7,600 7 View

Why the number of secondary depressions on existing chromosomes varies?

Why the number of secondary depressions on existing chromosomes varies?

15 November 2020 9,614 3 View