Monitoring COVID-19 incidence in MENA Region

More Mahmoud Adel Hassaan's questions See All

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

What is the best way to do symmetry in ANSYS Fluent for flow between two concentric cylinders ?

I am working on Taylor Couette flow between concentric cylinders and the results are correct for the full case. however, I wanted to do symmetry case to improve the mesh. I have tried periodic...

11 February 2021 2,193 6 View

What is the success rate of the e-learning plan in achieving the objectives of the curricula?

I need to know the reliability of the evaluation results and the rate of achievement of the course objectives, Thank you (*-*).

02 February 2021 7,828 7 View

What is the success rate of the e-learning program in your country during the time of Covid-19?

I need to know the extent of the success of the e-learning plan in countries of different capabilities, Thank you (*-*)

02 February 2021 4,712 15 View

How can I get good bands by silver nitrate staining on SSCP method?

Hi Dear colleagues This was my first experience on SSCP, and I couldn`t get any band by silver staining! Staining with Et Br was successful. I mixed the PCR product with formamide loading dye,...

01 February 2021 8,788 6 View

Why Selenium nanoparticles synthesized by PEG 200 could not be scaled up ?

I could not synthesize Selenium nanoparticles by PEG 200 at up-scale ( more than 100 ml) as it got aggregated while at small amounts it works fine , I work with 850 PPM using selenium powder in...

08 January 2021 10,049 1 View

Solving a third order polynomial matrix equation?

I want to solve the following matrix equation with respect to the matrix variable X which is a real symmetric positive definite matrix. The given matrix A is real and symmetric, "a" is a scalar,...

04 January 2021 2,945 7 View

What is the best method to add nanoparticles in organic solar cell simulation using silvaco software ??

i built the structure of the organic solar cell (ito-P3HT_PCPM-PEDOT_PSS-al) then i used BEAM statement to add sunlight so what is the best method to add nanoparticles in layers

03 January 2021 7,107 11 View

How to Calculate Local and Average NUSSELT NUMBER IN FLUENT ANSYS ?

I am simulating a single flow in a 2D tube with a uniform heat flux applying on the outer surface. I found difficulties finding the Nusselt Number or in other words a correct way to obtain...

26 December 2020 4,054 7 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

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

If a given country passes mandatory 'vaccine passport rule' to go outdoors, otherwise stay at home, can it help to vaccinate all against COVID-19?

Wether vaccine passport declared not to go out of home without it may help taking COVID-19 vaccine. Can't it break individual's right to protect the community? Your comments on perspectives...

27 February 2021 5,549 23 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Is anyone working on a project focused on immigrants/newcomers working in the hospitality industry and how they have been impacted by COVID?

The on-going Covid-19 pandemic has had devastating economic effects on many industries. However, few have suffered to the same extent as full-service restaurants. Numerous studies have shown that...

24 February 2021 9,496 4 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View