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

How to prepare a liquid sample for FTIR spectrum?

I have a ethanol-water 50% extract of mango peel. I purified mangiferin from the extract with filtration and precipitation. so i obtained a low concentrated extract which i want to se the IR...

24 January 2021 8,880 7 View

Can you trust vaccines that were made in a year, will help fight Sars-Cov2?

That vaccines have been produced in such a short time, makes me doubt if they will help fight this pandemic and if they will not do us more harm.

06 January 2021 3,469 19 View

Should sampling and reconstruction be matched? How should the sampling be for machine learning algorithms?

In image reconstruction, we usually design reconstruction algorithms in such a way that we can choose the most convinent sampling pattern. However, the choice of the sampling pattern has a...

10 November 2020 8,669 1 View

Oocyte collection (GV and MII)?

Does anyone have a protocol for simultaneous collection of VG and MII oocytes in the mouse (from the same animal)? Thanks

06 September 2020 1,091 3 View

Insects and COVID-19: a possible contaminant?

Dear colegues, What do you think about this? Can insects or others arthropods transmit the virus (directly or indirectly)?

19 April 2020 7,391 53 View

Does anyone have experience/reference with SARS-Cov-2 detection by qPCR without extraction?

With the shortage of reagents for molecular tests worldwide we are looking for a protocol that doesn`t need to have an extraction step and that can directly detect the SARS-CoV-2 virus using a...

20 March 2020 3,479 4 View

Forests Pests: increased damage by climate change?

Dear researchers, what is your opinion about climate changes and forests pests? there is an increase or reduction of damage caused by insects and mites on trees?

29 February 2020 2,434 17 View

How to improve current in Natural DSSC?

Hello everyone! I'm struggling to improve my natural DSSC. Could anyone give me a hint? What am I doing wrong here? My parameters and characteristics below. Picture of one of my cells...

23 January 2020 1,614 9 View

How to Evaluate Interlaminar Shear Stress in Abaqus?

03 July 2019 9,042 3 View

Is the sinovac vaccine safe and effective for people over the age of 60 ?

Dear respective researchers, I was asked by my institution to be vaccinated this week using the sinovac vaccine. However, from some of the information I got, this vaccine is not recommended for...

01 March 2021 7,781 6 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 to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 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

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

How to control the variants vof covid 19 in second and third waves?

A the world find means to control covid 19 by vaccination ,new variants came to spread and make the world in fear and danger, to understand the conduct of these variants, es constantly change...

21 February 2021 3,080 6 View

In what ways do fellow reaerchers think that mRNA vaccination may be under CRISPR systems technology application ?

There are many ways for mRNA to intervene with genome expression. This question is raised for experts in CRISPR systems. Any RNA does not stand alone within acell. There are many ways to become...

18 February 2021 9,109 5 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View