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

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

Extracting Virus from Wastewater with PEG & NaCl?

Hello I am trying to extract a virus from some wastewater. Is it possible to use PEG and NaCl at lower speeds? Or are there any alternatives that aren't costly? I don't have access to a high...

25 August 2020 7,125 3 View

What do you think about social exclusion?

The social exclusion is a problem very important for society, we should all help those most need

12 March 2020 1,152 3 View

What books on anticancer potential of polysaccharides obtained from fungi recommend me to read?

I am investigating the medicinal potential of the polysaccharides present in edible fungi native to my country and that can help prevent or treat some types of cancer.

16 February 2020 7,775 3 View

Hello, can someone please tell me how to make this kind of graphics in cst studio suite ?

I am designing micrsotrip antennas to capture wireless energy and I would like to see the power density vs. frequency of the microstrip antennas attached to the images.

22 January 2020 1,448 3 View

How can i improve the qPCR variability ?

Hello, Im have a time working with qPCR and i have a lot of variability between tecnical replicates and biologicals ones. I made a lot of changes on my protocols and my results going better but...

06 August 2019 7,813 4 View

Hello Community. Someone can share me a good protocol for extraction of protein in algaes (cyanobacteria)?

12 November 2018 1,498 6 View

Are there datasets considered as the reference bechmark for short-term traffic forescasting by its scientific community ?

Currently, I am working on Machine Learning applied to Short-Term Traffic Forecasting (STTF). I would like to know if are there datasets considered as the reference bechmark for STTF by its...

09 October 2018 3,572 0 View

Quickly pellet floating fatty cells in culture plate?

Hi, I have fatty floating cells in culture medium and I need to simply/quickly pellet them without degrading cells nor removing themfrom the plate. Any idea ? thanks

21 March 2018 4,569 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View