Why The steel bar Modulus of Elasticity (E) is much lower than 200GPa?

Hello all, I did a tensile test for a deformed steel bar with diameter of 10 mm using using UH-X Universal Hydraulic Test Machine (SHIMADZU-300kN ). The Gauge length of the steel bar (Lo) is...

25 March 2020 5,753 6 View

Non linear optical parameters of Calcite and Quartz crystals?

I am looking for the Non linear optical parameters of Calcite and Quartz crystals in the telecom window (1.2 - 1.7 micrometer).

28 January 2019 2,615 2 View

What is the role of the application of Aldehyde/Sulfate Latex Beads (invitrogen) in the flow cytometry assay ?

I am trying to purificate Extracellular vesicles (EV) from BOEC conditioned media by coloumn of chromatography, then i want to charachertize the purified EV by flow cytometry. However i have seen...

14 October 2018 4,577 4 View

How to design and analyse an experiment with dependable variable?

Hi all, I am conducting an experiment about a formulation of ink for 3D printing applications. My parameters are viscosity, pression, nozzle diameter, concentration of the hydrogel. Knowing that...

06 August 2018 8,332 3 View

What is the most important points for writing a Physical Review Letter "100-word compelling justification"?

Dear experts, I want to know how is the best arrangement for writing a PRL "100-word compelling justification"?? What factors should be mentioned and what should be avoided? Regards.

17 March 2018 4,247 3 View

What to choose as a calibrator? - When looking at basal gene expression (Rt-qPCR)?

What to choose as a calibrator? - When looking at basal gene expression (Rt-qPCR)

18 October 2017 6,808 3 View

Is there a special kind of plants with a strong effect on snakes ?

i have a research on snakes then i have found a plant that makes snakes weak just like a sleep when breath the smell of this plant

06 October 2017 3,055 2 View

Does PCR efficiency colse to 1 is the same as 100%?

01 October 2017 9,846 5 View

In order to validate a numerical code : it is enough to simulate benchmark tests or I should make also experiment tests?

In order to validate a numerical code. I compute benchmark tests. I don't know that I should make other experiment tests or the benchmark tests are enough to validate our numerical model.

27 September 2017 766 6 View

I need to simulate a coupled problem of fracture mechanics. I prefer to use Abaqus. Which commercial software is suggested for multiphysics modeling?

Fracture mechanics problem using the phase-field method. Abaqus: with UMAT and UEL.

27 August 2017 1,379 4 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

MiRNA qpcr problem?

Dear All, mirna primer showing some problem in the melting curve? any idea why? As attached is the melting curve. The forward sequence is obtained from miRBase and reverse primer is universal.

28 February 2021 5,008 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

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 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