Why are blond and red hair colour is not naturally seen in asian populations?

More Hemalatha Yagitala's questions See All

Which antimicrobial test will be suitable to determine antimicrobial activity of silver nanoparticles?

There are some journal articles that reported well diffusion method to determine the antimicrobial activity of silver nanoparticles. Meanwhile, some reported disc diffusion method. Which method is...

06 January 2021 7,123 4 View

How to apply Discriminant Analysis suitability, mode to apply and interpretation of results?

Hi, I am in the finishing stage of my thesis (filed - Consumer Behaviour) I have an independent variable (measured with multiple factors) and also a dependent variable (also with multiple...

25 March 2020 2,674 3 View

Referencing with zotero - Is customised version available? Alternatively how to cutomise?

Hello. I am writing my thesis. Recently have started using zotero software for citations. My requirement is APA style - with 1) In-text citation with (author, year) and superscript with number...

21 March 2020 8,925 4 View

How to detect unbinding of a protein from a gold nanoparticle through UV-Vis?

From literature, it could be observed that while binding of gold nanoparticle and protein occurs the UV-VIS peak of gold shifts by a small amount suggesting binding. Although further...

15 October 2018 8,667 3 View

Does binding of a protein to a gold nanoparticle change the color of gold nanoparticles?

Binding of a protein to a gold nanoparticle(5-7 nm) increases the size of the complex as validated by a red shift in the uv-vis spectra. Does the overall size increase of AuNP-Protein complex...

30 July 2018 7,770 3 View

How to generate ROC curve from svm-light output?

My svmlight output for binary classification (+1 for true and -1 for false classes) is like +1 0.001 -1 -0.34 +1 0.9 +1 055 -1 -0.2 I tried generating roc in R using ROCR package. But I...

27 October 2012 4,339 14 View

How to draw ROC curve and RI curve for prediction generation using SVM?

Will Rapidminer tool help me in drawing a ROC curve? Moreover, I tried installing it, but could not.

13 October 2012 6,882 4 View

How to execute cross validation and generate ROC curve in SVMlight?

For doing cross validation is it the parameter x which has to be used? Or is it some other parameter? I am confused. For doing 10 cross validation -x 10 will be fine. Also in SVM light how to...

08 October 2012 5,695 8 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View

Negative result on natural product sample cholinergic assay?

i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...

17 February 2021 4,118 1 View

Has anyone performed a colorimetric RT-LAMP assay using Lucigens LavaLAMP kit?

Hi there, my lab recently opted to use LavaLAMP from Lucigen instead of the Warmstart kit from NEB. However, Lucigen has yet to create a colormetric kit for RT-LAMP, and adding phenol-Red (pH...

17 February 2021 5,399 1 View

What is the actual chemistry going on between iodate and ascorbic acid?

I am studying biochemistry at university, as part of the course we do several titration experiments. In our handouts, we were given the following half equations: IO3- + 6H+ + 4e- I+ +...

16 February 2021 8,731 1 View

Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

I am looking for a postdoc. Can anyone guide me in this respect?

My PhD thesis entitled as "Anticarcinogenic activity of Terpenoid containing plants against induced Hepatocellular Carcinoma (HCC). My extensive experimental work critically examined the potential...

08 February 2021 8,628 3 View