Is UV (unit Variance) scaling suitable for FTIR data?

For metabolomic data analysis, different choices for scaling are available such as Pareto, centering, unit variance etc. which of these scaling methods is recommended for FTIR data? Thank you.

07 August 2017 9,880 2 View

Inhibition concentration (IC50). Is the value determined using linear regression equation accurate?

07 August 2016 8,692 2 View

Can i store Potassium Phosphate buffer for long time?

I prepared Potassium Phosphate buffer and i want to be using it for a long time. What are the optimum storage conditions? Thank you

04 May 2016 8,858 5 View

Antioxidant Assay

What is the difference between Thiobarbituric acid (TBA) and Thiobarbituric acid reactive species (TBARS) Assay Thank you

04 May 2016 5,934 2 View

Which solvent is the best option?

For phenolic extraction in a non-defatted sample between methanol, ethanol and ethyl acetate which one will be the best option and why? Thank you.

03 April 2016 6,617 4 View

Please can some one help me with this article title A new method of standartization of health-promoting pomegranate fruit (Punica granatum) extract?

pomegranet

31 December 2015 6,048 1 View

Why do we need to purify plant extract before HPLC Analysis?

I used Three solvent of different polarity ranges from non polar, semi polar and polar, should i need to purify my extract before running HPLC and i need help for the purification protocol. Thank you.

31 December 2015 1,317 10 View

What factors should be considered in changing the composition of mobile phase in gradient elution?

What factors should be considered in changing the composition of mobile phase in gradient elution?

11 December 2015 3,398 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View