What should I do for my controls not to stain my secondary antibody ( IHC for mice muscle) ?

I am staining mice muscle for macrophages (CD68) and lymphocytes (CD3). The challenge that am facing is that my control is also staining with the secondary antibody even though I did not add the...

15 October 2020 8,139 3 View

Triangulation of data sources in qualitative research: Do you consider it mixed methods research and why, whether its a yes or no?

It is common in qualitative research to interview for example patients and their partners or their health professionals to talk about the same topic and explore the perspectives of all the people...

30 July 2020 538 21 View

How do i determine the sample size for a study looking at the treatment outcomes of mental health patients in a community house ?

How do i determine the sample size for a study looking at the treatment outcomes of mental health patients in a community house that is a step down from inpatient unit. The study will look at...

12 May 2020 7,072 3 View

Who can link me to Cost / Benefit Analysis of Treatment Options for Produced Water of varying quality and quantity?

I work in the oil industry and I wish to focus on reducing reinjection of "free" (non-water right controlled) produced water for beneficial use where economics dictate feasibility. Who can direct...

24 February 2020 3,059 2 View

How is confirmatory factor analysis not just a tautology?

Hello, very new to confirmatory factor analysis (CFA) and structural equation modeling, and I'm trying to understand how to think about confirmatory factor analysis. Suppose I have a construct,...

11 November 2019 3,330 4 View

How to deal with member check conflicts in qualitative research?

Member checking or participant checking is done to validate and improve the credibility of quallitative research results. I am planning to ask my participants to help with that (will ask them to...

27 May 2019 7,799 13 View

How do you create a calibration curve for H2O2 ?

Specifically I'll be looking at H2O2-titanium complexes (in plant tissue) and will be measured @ 415nm. I'm wondering how I can create a calibration curve for the complex... I have 30% H2O2 and...

13 December 2018 4,432 3 View

Improvised abacus? Are there Latin references to betting at Roman amphitheatres, or modern references to Roman use of abaci? Or was it a gaming board?

11 June 2015 1,010 68 View

Do we have instrument development experts among rehabilitation professionals in Sub-Saharan Africa?

It has been noted that clinicians in Africa are forced to use instrument measures that were developed and validated either for American and European children which are quite limited. It is...

01 January 1970 528 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 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

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View