How to calculate the crossliking density of the rubber?

How to calculate crosslinking density of the rubber and Molecular weight between crosslinks in NR, SBR, etc..

27 June 2017 5,642 5 View

What is the role of polarity of the solvent in the emission behavior?

01 November 2016 712 10 View

How does Ceiling voltage of the Excitation system affect the gain of the AVR?

We understand that the gain of the PID or lead lag block of the AVR is factor of Ceiling voltage of the excitation system.Please explain that how ceiling factor affects the gain and improves...

12 October 2016 2,165 2 View

What causes colour changes of pectin during acid hydrolysis?

I did acid hydrolysis to breakdown pectin into monosaccharides for sugar analysis. The colour of pectin eventually changes into the colour of the fruit itself during the hydrolysis. Wondering what...

14 September 2016 8,540 1 View

What are the best system specifications required for running GROMACS lipid bilayer simulations?

21 August 2016 6,467 3 View

Am useing 1:20 ratio (w/v) for hydrolysis of corncob powder and getting 10gL xylose.,how to calculate percentage acid hydrolysis in biomass?

kindly help me to calculate percentage acid hydrolysis of corncobs with sulphuric acid (1%), am getting 10gL Xylose during process

25 July 2016 4,007 3 View

Can anyone assist me to interpret the correlation between DPPH assay and FRAP assay?

I have extracted plant samples using four different solvents. I found that the DPPH scavenging activity of all tested samples are averagely similar but the FRAP reducing result of a particular...

23 November 2015 5,967 2 View

What's the difference between aldoketo reductase and aldo-keto reductase?

I am looking for phylogenetic analysis is aldoketo reductase family protein, while searching the sequence related to the same in NCBI. Aldo-keto reductase and aldoketo reductase giving different...

22 February 2015 2,551 3 View

How can I calculate mass gain in TGA tests?

We were conducting TGA tests for a Mg Alloy system. The Y Axis that determined TG% starts its value from 100 and the curve that i got increased upto a value nearing 165-170 in Y Axis and then...

27 January 2015 7,861 2 View

Why is searching articles using first AND last name in pubmed not easy?

24 December 2014 3,606 2 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Interpretation of Goodman - Kruskal Gamma squared?

Dear colleages, Eta squared is dominantly used in reflecting the explaining power the same manner as a squared partial correlation coefficient (R2p ) from multiple linear regression: as the...

22 February 2021 7,801 3 View

What are your alternative data collection methods during the pandemic? What are the pros and cons?

Dear colleagues We are exploring possible data collection methods for environment and behavior research in the context of architectural environments. Have you conducted any Post Occupancy...

16 February 2021 2,575 4 View

Any way to separate out fluorescent channels from a composite image?

Hi there, I've been using the EVOS Auto II microscope for some time now and usually I will save the transmitted light/bright field image and the images from fluorescent channels as separate...

15 February 2021 546 3 View

Centrality indices for weighted bipartite networks?

My colleague and I are looking to use SNA to look at the risk of contact between an intermediate and definitive host of a parasite. We have built a bipartite network where one set of nodes...

08 February 2021 6,637 3 View

How should I go about evaluating cytoplasmic and nuclear Arginase-1 activity?

Hello! I've stained some bright field Arginase-1 Hematoxylin slides, but I'm having a hard time finding any computed histology predicates for evaluating the intensity of the cytoplasm verses the...

03 February 2021 3,039 1 View

What is the best way to minimize/prevent the effects of rigor mortis in excised mouse muscle?

I'm planning to excise mouse muscle to use for ex vivo mechanical testing. What is the best way to prevent the stiffening effects of rigor mortis from confounding results if I cannot isolate the...

30 January 2021 1,641 2 View

When is it optimal to choose an OFAT (One factor at a time) design over DOE (design of experiment)?

As a current undergraduate student majoring in Microbiology who is still learning DOE (Design of experiment) on my own, I have heard and read that an OFAT design is considered the most inefficient...

29 January 2021 8,256 3 View

What is the harmless way of cutting epoxy filled nanocomposite ?

I want to cut epoxy filled nanocomposite for FE-SEM analysis. What is the best way to cut it without resulting in any cracks or change in position or alignment of the particle reinforcement ? Also...

28 January 2021 7,084 5 View

How is the variance for an image exactly computed to test the uniformness of its histogram?

I am trying to compute the variance of a plain and cipher grayscale LENA image... I found in a paper that variance value is equal to 630780 for a plain Lena image while if I calculate I find it...

28 January 2021 8,036 5 View