What criteria do you have in mind while characterizing a scientific theory?

I hesitate a lot before raising the question just mentioned. As RG is mainly a scientific forum, it is natural that the concept of theory appears in many posts from many posters. But what are...

25 October 2020 7,643 34 View

What is the (average) DNA yield (ng) from one single nematode?

Do you know where I can found published information about DNA quantity (in ng) from one single nematode? Any publications/books to suggest me? I Know it seems a simple and basic information, but...

31 March 2020 6,710 1 View

Could someone suggest a research structure on practices of reverse logistics in organizations and companies?

28 June 2016 213 2 View

Detailed explanation of the following design process of HVDC system?

This is a slide that does not provide details of the design processbut I can make myself some idea of this process , I want your view to clarify my ideas

19 April 2016 3,538 3 View

Cell culture 3T3-L1 adipocytes. I can grown in DMEM medium with or without pyruvate pyruvate?

cell culture 3T3-L1 adipocytes. I can grown in DMEM medium with or without pyruvate pyruvate? please... help

03 March 2016 1,886 3 View

Does somebody know the best Western Blot protocol for E6 HPV16 with Anti-HPV16 E6 + HPV18 E6 antibody [C1P5] (ab70) (abcam) and PVDF membrane?

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24 March 2014 584 1 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

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03 March 2021 5,360 2 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Statistics: include groups of respondents made by one person for analysis?

Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...

25 February 2021 2,090 4 View