For an exploratory study, how many case study participants are recommended?

I am conducting an exploratory study of a teaching innovation. I see that the sample is dividing into two groups. One group expresses it is benefiting from the innovation while the other group is...

27 November 2018 5,746 9 View

How much uncertainty is helpful to share with future teachers while preparing them to teach?

While educational research has generated a vast pool of studies and findings, much remains unclear and uncertain due to the complexity of linking learning with specific teacher actions for...

08 April 2018 1,120 22 View

How to successfully build a minigene?

19 April 2017 6,234 2 View

Can primaquine fail to kill putative extra-hepatic dormant stages of Plasmodium vivax, resulting in malarial relapse?

Despite treatment with the anti-relapse drug primaquine, Plasmodium vivax malaria often recurs. One reason might be related to CYP 2D6 (Marcsisin SR, Reichard G, Pybus BS. 2016. Primaquine...

11 September 2016 5,301 12 View

Can anyone provide some advice on Zymosan phagocytosis assay (Cell BioLabs)?

I am working on developing a human macrophage differentiation protocol, and purchased the Zymosan phagocytosis assay kit from Cell BioLabs to test the functionality of my final differentiation...

26 January 2015 4,627 5 View

What actually is Research?

Having undertaken research, both qualitative and quantitative and recalling an old quote "Research is the rigorous search for knowledge". Is that really or still the case? This is where I thought...

12 January 2014 1,069 10 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

In Michaelis-Menten Kinetics, why K(subscript)On have units (mol^-1)(time^-1)?

where K(subscript)On is the rate of Enzyme (E) + Substrate (S) going to Enzyme-Substrate complex (ES). I think I understand why K(subscript)Off and K(subscript)catalysis have units of time^-1....

11 January 2021 649 8 View

What is the mass% and mole% of water in the 11ml solution?

10 January 2021 127 2 View

Why do some apply skills learned from soft skills training and others do not?

Be it resilience, communications, leadership, diversity & inclusion, etc., many of us have been provided soft skills training. Some of which we used and some of which we did not. If you are over...

06 November 2020 208 3 View

How to design 5'RACE primer?

I have know sequence of mRNA. but i need to amplify the unknown region of 5'end ? to do this that needs GSP1(reverse) and GSP2 primer(forward). my kit protocol states your GSP2 primer is anneals...

21 October 2020 7,056 2 View

Maximum concentration of PhMgCl in THF?

The background of this is lengthy, but in short, I am an experienced chemist with essentially no experience doing Grignard reactions. Most recent literature uses mmol scales @ 0.1-1M...

10 October 2020 9,123 13 View

How to determine the moles of alkali required for saponification of the oil for fatty acid extraction?

I have calculated the saponification value of the oil. Now, what is the calculation to determine the amount of alkali required for the saponification value? How to determine the molecular mass of...

20 September 2020 3,492 3 View

Why Nd-doped PbTe showed much lower BET surface area than Yb-doped PbTe?

Why Nd-doped PbTe showed a much lower BET surface area than Yb-doped PbTe?

20 June 2020 9,793 3 View

Which one is a good platform for teaching online, Google Classroom, Canvas or Moodle?

As majority of schools transition to online or blended learning, which platform will you recommend? I teach a technology course in a Masters Degree program for medical doctors and prior to...

04 May 2020 492 56 View

NH4:NaOCl mixing ratio of 3:1 is mole ratio or the mass ratio?

18 March 2020 6,847 1 View