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 is better to buy a real-time pcr machine or an endpoint?

Hello everyone, we are acquiring a new molecular biology laboratory with the fundamental objective of identifying species of microalgae and cyanobacteria. Perhaps you could help us decide if it is...

24 January 2021 8,320 4 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

Which are the specific cells instructed to constructing the "spikes" after a shot of a mRNA vaccine?

Hello, I am not a biology researcher, but I am working in intradisciplinary research and would like to know the answer to this question, which I have not being able to understand. This questions...

06 January 2021 3,845 4 View

Thawing or defrosting methods for frozen soil samples?

I have soil samples that have been frozen for a while and I need to re-acclimate them for a series of analyses that require incubation at 25C. I have been looking for laboratory methods but seem...

04 January 2021 4,862 3 View

Prediction of novel precursor miRNAs in viral genomes?

Dear, I performed a multi-sequence alignment (MSA) with all the complete genome sequences of SARS-related viruses. I then used RNALalifold from the ViennaRNA package, with default parameters, to...

06 December 2020 1,704 3 View

Which primer pair is better for amplifying endophytic fungal communities in roots of trees while avoiding host amplification?

Which primer pair is better for amplifying endophytic fungal communities (metabarcoding with Illumina sequencing) in roots of trees while avoiding host amplification? I would greatly appreciate a...

03 September 2020 728 3 View

Does Autodock Crankpep's parameter file contain data for Zn?

I'm trying to dock a zinc complex, but when I tried to prepare the ligand, I get an error saying that there are no Gasteiger parameters available for it. I know you can add atom types in Autodock...

29 June 2020 2,031 2 View

What criteria should I take into account to buy a power supply for electrophoresis?

10 June 2020 7,900 15 View

How to measure ratio/amount of PCR products?

Hello, I am trying to look at the efficiency at which a Gene is cut after tamoximen treatment. Thus we got a set of primers that can tell us weather the Gene is cut or not. We wanted to measure...

02 February 2020 7,599 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

No title

01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View