What statistical techniques can be used to analyze retrospective likert survey data?

Hello, I have parent responses (4 scale likert data) related to a school program which aims at developing reading habits in their kids. There are only 6 questions and survey is sent at end of...

12 August 2018 7,567 2 View

Is there any solid evidence on leaching activities of POPs /or PHCs associated with plastic fragments after ingestion by marine biota?

Some additives used in the plastic materials are surfactants but frequently they are not used for their surface or interfacial activity. Surfactant-like stuffs may increase the leaching...

03 January 2018 7,303 2 View

Does the material (ultrahigh molecular weight polyethylene) really causing ecotoxicity?

As we know that ultrahigh molecular weight polyethylene (UHMWPE) has extremely low coefficient of friction and it is highly resistant to foreign chemicals.

14 December 2017 1,140 4 View

What should be the appropriate composition of dinitro-salicylic acid reagent for reducing sugar determination?

21 November 2015 8,812 8 View

What is the impact of music on growth of microorganisms? Is there any relationship?

28 August 2015 4,394 17 View

What is the relationship between enzyme hydrolytic zone and growth of filamentous fungi in relation to temperature?

While working on filamentous fungi for the production of cellulase enzyme, more hydrolytic zone was seen in case of CMC plate incubating at 15 degree cel. than 35 degree cel. But the growth of...

22 September 2014 6,629 5 View

Why is Serratia marcescens red at 25 degree but white at 37 degree Celsius?

Serratia marcescens can tolerate and grow at both temperature mentioned above but why there is a variation in pigment while temperature varies? What is the mechanism behind this? Many...

20 September 2014 6,214 6 View

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02 March 2021 3,060 3 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

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28 February 2021 9,936 2 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View