Does anyone know what non-specific black dots are in Von Kossa staining and how to get ride of them?

I have been doing Von Kossa staining of heart sections using MaterTech stain kit. There are black dots that seemed out of place, and I am not sure they are real calcium deposits or just artifacts...

10 September 2020 8,212 2 View

Dear sir/madam could you help me in how to determine the sample size and use of the 50% proportion for sample size estimation?

I propose to determine factors influencing bacteriological and clinical cure in dairy cows with clinical mastitis after treatment with antibiotics. I propose to follow clinically healthy (i.e....

19 February 2020 5,505 2 View

Do you have any potential research outcomes and missing links for Africa to become a net food and agricultural products importer?

Do you have any potential research outcomes and missing links for Africa to become a net food and agricultural products importer, despite it has vast agricultural potential? How can Africa use...

23 August 2019 5,547 5 View

What are the main sources of prediction uncertainties in hydrological modeling?

07 November 2014 6,841 14 View

How can we add citations in google scholar and Research Gate for our articles?

How can we add citations in google scholar and Research Gate for our articles?

01 January 1970 5,472 2 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Interpretation of a fluorescence Emission spectrum ?

Hello, i work with a spectrometer which only render the fluorescence emission spectrum. Until now i just found how to interpret an exitation- and emission spectrum together to generate deeper...

20 February 2021 1,291 3 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

Receiving very less number of hits and events in acoustic emission tests?

I am doing a three point bend test with concrete specimen of dimension 280mm*90mm*90mm. I am putting 2 sensors near the notch with 3cms away from both the sides. the experiment ran for 20 mins but...

13 February 2021 2,990 1 View

Patients with chronic kidney disease could get COVID-19 vaccine?

04 February 2021 278 4 View

How can I multiply values with standard distribution and with triangular distribution?

I am calculating emissions considering the uncertainty of the data to do Monte Carlo simulation. Some variables such as yields have normal, lognormal or even uniform distributions. These must be...

03 February 2021 6,318 5 View

Can anyone help to convert ODK XLS into XML?

We want to conduct a verbal autopsy using WHO adult VA updated tools in ODK. The current version of WHO adult verbal autopsy tools is v1.5.3. I have successfully converted VA ODK-XLS v1.4 into XML...

03 February 2021 844 2 View

How do I analyse a Photoluminescence Spectrum ?

I have a few questions related to PL (images attached for same material by 2 methods), It would be great to get some help. 1. What is the physical meaning of highly intense PL? Does this mean...

02 February 2021 1,791 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