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

What are some recent publications showing the predictor power of resting state brain acitivity for tasks done outside the MRI scanner?

Looking for recent articles (2018-2020) that showed resting state brain activity can predict cognitive task performance (e.g., attentional and executive functioning tasks) done in the lab AFTER...

09 January 2021 2,310 2 View

Why is the impedance of ECoG electrodes tested at a frequency range from 1 Hz -100 kHz?

I am testing the impedance of a material that will be used for ECoG electrodes. I was told to test it at a frequency range from 1 Hz - 100 kHz but why is this range used? I wasnt able to find a...

08 November 2020 8,089 3 View

Where can I find coordinates of specific regions of interest (ROI) in the human brain?

Hi All, I need to specify a few Regions of Interest (ROI) in the human brain providing their coordinates (x,y,z). What I am interested in at this point are anterior cingulate cortex, dorsolateral...

01 November 2020 8,442 7 View

Can we detect neuroprotection, ischemic tolerance, ischemic pre conditioning using fmri ?

I want to know whether there are any non invasive techniques to detect neuroprotection in humans

02 October 2020 5,896 3 View

Extracting surface area, volume and cortical thickness from multiple groups using FreeSurfer?

Hello everyone, I'm new to FreeSurfer and this question might sound a bit stupid: I'm trying to get the volumetric measures, surface area and cortical thickness of brain regions of three groups...

29 July 2020 8,574 3 View

Quantifying network integrity at a subject-level using Dual Regression?

I have been working with FSL software (melodic & dual_regression) to parcellate intrinsic connectivity networks both at a group and subject level. I successfully ran dual_regression and have the...

20 July 2020 2,411 1 View

Is the ICBM-DTI-81 Atlas acceptable for use?

I am interested in using this DTI atlas ( http://www.bmap.ucla.edu/portfolio/atlases/ICBM_DTI-81_Atlas/ ) but came across a publication suggesting it is not oriented properly (...

19 April 2020 6,770 4 View

When to include random slopes in linear mixed effect models?

I have been using mixed effect models to analyzing neuroimaging datasets with multiple scanning sessions per participant. All my previous models only included a random intercept, and it was not...

18 March 2020 6,011 6 View

Which neuroimaging technique is best to measure attention when intermittently distracted by audio/ visual phone notifications?

I appreciate this may seem like a stupid question and it probably is. I have to design a theoretical research proposal using a neuroimaging technique to investigate a novel area in attention...

14 March 2020 3,388 3 View

How do one go about implementing a linear mixed effects model in analyzing neuroimaging data? How to identify the fixed effects and random effects ?

I require to analyze fMRI data to determine statistically significant connectivity pattern. Data is collected from 5 subjects, each with a different number of sessions (8,11,6,4,3). Can i use lme...

05 March 2020 9,353 3 View