Why are nanobubbles typically negatively charged?

Nanobubbles of air in water tend to have a negative charge. Intuitively, one could think the water is not charged, air is not charged: why are nanobubbles charged? Looking closer, water has both...

14 January 2021 3,563 3 View

Should ResearchGate and similar networks remove predatory journals from their pages?

See lists of potentially predatory journals at http://scholarlyoa.com/publishers/ http://www.sciencemag.org/content/342/6154/60/suppl/DC1 and the following...

06 July 2015 8,349 19 View

As a user of DMDX, how useful do you find the contribution of Visual DMDX? What is missing or what should be added?

See visualdmdx.com. DMDX is a widely used scripting language to program and conduct psychology experiments on Windows computers.

05 June 2014 187 0 View

Has anybody an idea about a positive control for a stimulation with recombinant CD70 (except cytokine release)? Possible stimulation of Lymphocytes?

we have soluble recombinant human CD70 and look for a positive control to validate the sCD70

15 October 2013 6,909 1 View

The Association of Internet Research just published a new ethics guidelines document. What is missing, what is questionable?

The doc is at http://aoir.org/documents/ethics-guide/. The guideline seems to draw mostly on US-based literature and approaches and practices common within Northern America and thus may need an...

02 March 2013 5,112 2 View

Is there research on typical daily activities of researchers?

Anything: activities by field, schedules, percent time devoted to activities, etc.

02 March 2013 7,600 3 View

Challenges with Big Data research?

Handling, access, meaning...

31 December 2012 380 1 View

Any new suggestions for "Dos and Don'ts" in Internet-based experimenting?

I am updating on my 2002 articles and am happy to take any input.

11 December 2012 869 9 View

There is a weakening relationship between the impact factor and papers' citations - what do you think?

09 October 2012 4,692 34 View

Nobel prize winner Kahneman challenges Psychologists in Nature, in particular priming research. What do you think?

Http://www.nature.com/news/nobel-laureate-challenges-psychologists-to-clean-up-their-act-1.11535

09 October 2012 9,462 11 View

Is SSRN e-Journal Scopus indexed?

I have publication in SSRN. I want to know whether it is Scopus indexed? Does it show impact factor? What is its ISSN No.?

02 March 2021 4,565 3 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

Am i able to conduct a factor analysis on each of my subscales, as opposed to the whole scale?

My psychometric scale contains 38 items in total, with 4 subscales (20, 6, 6 & 6 items respectively? Can i run a factor analysis for each subscale rather than the scale as a whole for the...

24 February 2021 8,856 8 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

How to find orthotropic material properties?

I am doing an impact analysis of bullet on a plate. But for that simulation, I require orthotropic properties of materials like PPS and PEEK which are Unidirectional type. How to find them?...

16 February 2021 8,775 2 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View