A film coverage that allows for transmittance of wavelengths on the infrared scale?

I've landed on needing some type of highly optically transparent film or cover material that prevents evaporation of culture media; I am not sure which subfield of materials science would be able...

08 February 2021 5,760 1 View

What reliable assessment methodologies can teachers employ to evaluate student's individual learning performance?

With Covid-19 pandemic, schools are compelled to carry out online teaching. However, the teaching-learning process is incomplete without assessing the individual learning performance of the...

16 August 2020 413 5 View

How to order a packaged lentiviral particle with gene of interest?

This question feels too stupid to ask but ... I have a plasmid that is available commercially but I would like to add a selection marker. I've constucted the plasmid but I am in a time crunch and...

12 March 2020 631 2 View

AGGLOMERATIVE clustering interpretation?

Have a hierarchical agglomerative clustering analysis for samples from different years. Samples from different years are rather clustering together instead of with samples from same year. This is...

28 December 2019 1,942 1 View

In percentage wise, how efficacious are sulfadoxine-pyrimethamine (SP, used as IPTp) and ITNs, as interventions against malaria?

Dear All, Kindly, share with me any resources and/or knowledge and experiences regarding studies measuring the efficacy of SP and insecticide treated net, either as independent or combined as...

11 July 2019 3,564 3 View

Qualitative Research Methodology - recommend best practice per scenario below?

Dear All, kindly spare some few minutes of your time to share your technical expertise with me to clarify a research methodological challenge (see below) Preamble: You intend to conduct a...

11 March 2019 1,624 7 View

Which big theme strikes you as the most defining issue of 2018 ?

Dear colleagues, We are soon wrapping up year 2018. In 2018 we witnessed several novel issues, but also a lot of the same old problems (climate change, inequality, political instability,...

18 December 2018 692 7 View

How do I calculate Sample Size in Pastured Poultry Studies?

The fact that fewer birds from each replicate will be used for sampling leaving more than half from each experiment unused is the problem, which in effect is related to cost.

12 December 2018 8,663 4 View

Can one conduct a data normality check via SmartPLS 3.0?

10 April 2017 4,991 6 View

What is the secret to good immunofluorescent S100B labelling?

We have got very good DAB labelling using Sigma monoclonal directed towards S100B in the rat but our immunofluorescence is rubbish. We've run to serial dilutions using the antibody ranging from...

18 September 2013 3,133 1 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View

How do I categories into groups on SPSS?

I am using the 'Revised Cyber Bullying Inventory'. This instrument has 2 sub-scales (bully scale and victim scale). From the responses, they will be divided into 4 groups (pure cyberbullies, pure...

13 February 2021 5,787 4 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

How to correctly reference instruments in systematic review following APA?

Hello, I am running into an issue and do not know how to cite / reference correctly here. APA states that instruments and measurements need to be referenced with the author's name. At the same...

11 February 2021 9,523 3 View

Rousseau Psychological Contract instrument?

Hi, I would appreciated if someone who's studying the Psychological contrat could help me about this questionnaire : My question is the following : Is someone can help me identify how wich...

09 February 2021 9,162 3 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View

Can anyone direct me to an existing Validated Health Care Survey/Instrument?

Hello, I am working on a paper and looking for an existing Validated Health Care Survey/Instrument. I have been performing virtual ergonomic evaluations since the start of COVID and want to...

04 February 2021 4,756 2 View

How to measure cosine, abbe, deadpath errors?

Dear sir, How to measure cosine, abbe, deadpath errors. I know cosine error, abbe error, deadpath error occurs in laser measurement. But how i can identify the cosine error value. Is any separate...

03 February 2021 4,878 4 View