What are the easy methods or techniques to synthesize green nano particles?

because many technical steps are there to get a particular plant nano particle and its expensive too

14 January 2021 1,556 4 View

For a PCR the volume of each component is standard ?

for example the total volume is 50microliters how can we know that what will be the amount of template , buffer, enzyme, primers (forward and reverse), dNTPs, MgCl2 and water?

02 January 2021 3,352 6 View

How can we know about the final concentration of each component to be used in the master mix for the PCR ?

Final concentration for each component in master mix depends on what or how it will be known that in this master mix the concentration required is __ microliters ?

02 January 2021 5,764 2 View

How can I separate features and the background to measure pixel intensity?

For image processing, I am using ImageJ. I need to separate the features from the background and calculate pixel intensity of features and background. Can anybody help me in this? Thanks

09 December 2020 7,472 9 View

Which are the appropriate metrics can be used to calculate overall Precision, Recall and F-measure in different data samples? and when can use F1?

If we have three different domain of data (e.g. security, AI and sport) and we did 3 different case study or experiments (1 for each domain) and we estimate the Precision, Recall and F-measure for...

07 December 2020 9,833 3 View

How can stem cells repair damaged cells?

How can stem cells repair damaged cells? Could anyone provide papers show the therapeutic potential of stem cells in vitro (on the disease model)?

29 November 2020 9,534 6 View

How can to calculate the Computational complexity/cost (espatially, number of operations and space/memory cost) for an algorithm?

As we know, computational complexity of an algorithm is the amount of resources (time and memory) required to run it. If I have algorithm that represents mathematical equations , how can estimate...

25 November 2020 6,950 7 View

Which is the best scale available to measure conflict management styles?

I have come across multiple instruments for conflict. Now I'm confused as to which one to use. Expert opinions are welcome.

22 November 2020 3,651 5 View

Chi square test for the over time tested variable ?

16 November 2020 8,291 4 View

Help me find the transfer function of the following non linear coupled ODE system ?

I need to find the transfer function for the system in MATLAB. I do know the ss2tf command but its not that simple. Please guide.

08 November 2020 4,414 1 View

Selecting particular columns from large datasets (csv) using R Studio?

So I have large number of csv files (100+) in a directory with same structure and column names. The data is in time series and there are approx 30 columns/file. However i only want to aggregate...

08 February 2021 245 5 View

Orbitrap Fusion FT keep getting disconnected?

Hi, I been having a problem with the Orbitrap Fusion for quite a while and it has been getting more and more frequent, which is very frusttrating. The fusion FT would get disconnected suddenly...

22 January 2021 1,235 4 View

How to find the independent research projects (paid) in the field of economics of education?

I am an independent researcher in the field of economics of education. need guidance the sources ( like website, forum ) to find the independent research projects. Thanks

19 January 2021 3,925 2 View

How to plot the significance level using line or dot pattern over a raster data plot in R usign base plot function?

After plotting the raster data using the plot() function in 'R'. How can we plot the other layer overlayed with dot/line pattern in place of color fill as shown in the picture...

06 January 2021 5,865 4 View

Literature Review for a dissertation- any tips?

Hello everyone I hope you are all well! I just have a quick question- I am a third year BA Social Work student in the midst of writing a literature review for my dissertation. I wanted to know if...

04 January 2021 6,869 4 View

Can you suggest Standard vocabulary for characterizing research and development initiatives (project,program,policy,networks) and their performance?

I am doing text mining on the performance on research for development interventions in low income countries. I need some standard dictionaries and typologies to map the content of the paper in a...

31 December 2020 5,329 4 View

Is there any chemical safe for sea environment, but could be used for repelling planktons and microorganisms?

As an example of Julia Child, whose first receipe was shark repelent, my team and I are looking for some chemicals which wont harm planktons but will help keep planktons from our robot in sea.

20 December 2020 9,616 4 View

How to report results from piecewise structural equation modelling analysis?

I have done my analysis in R using the piecewiseSEM package and have got the results but I am unsure how to report it APA style. What values do I report? Thank you in advance!

13 December 2020 3,048 3 View

Any ideas for Master thesis in Renewable energy and management?

I want to combine Project management and renewable energy. Or Smart grid and RE, or project management

09 December 2020 385 11 View

Anyone interested in co-authoring a book chapter?

Dear all, I've been invited by an editor to submit a book chapter on COVID-19 (not a predatory publisher) and I'm proposing to write a piece on paediatrics. I am looking for two co-authors who...

07 December 2020 6,247 9 View