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

Journal impact factors are influenced by other factors than article impact, e.g. size and time. Do you agree?

As an example see this article: http://scholarlykitchen.sspnet.org/2013/06/20/the-rise-and-fall-of-plos-ones-impact-factor-2012-3-730/

11 December 2013 5,379 3 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View