How to solve spikes and peaks in interpolated raster surfaces with Kriging?

25 November 2020 9,657 4 View

Long-term forest data?

Does anybody know if some datasets on trees health or growth time series are freely available for Europe? My goal would be to study the climate change between 1901 and 2019 and to compare it with...

30 July 2020 3,201 4 View

What micropollutants can I analyze on HPLC ?

Greetings, I am wondering which micropollutant I may be able to see with HPLC analysis (no tandem MS), for example diclofenac or ibuprofen. I would test on spiked water samples, so theoretically I...

03 June 2020 3,723 3 View

How do you make your analysis scripts 'reviewable' when there is a lot of bulky code repititions?

Hey everyone! How do you make your code readable for other people when there are long chunks of code which you repeat a lot (e.g. the same fancy figure for 10 DVs)? My current solution: I...

12 February 2020 549 1 View

Parallel computing and graphic CPU (GCPU) usage in R, is it possible with ALL R packages?

Hi all, surfing the web I wasn't able to find a simple and effective answer to my question. In other words, I need to speed up a code I wrote using several packages such as raster, rgdal, biomod2...

13 December 2019 1,703 4 View

HPLC analysis - why do I have different area values for the same sample?

Good morning, I am currently doing some standards for my HPLC. My interest compound is butyric acid and I am injecting it in four different concentrations in order to build the standard and the...

15 August 2019 9,049 5 View

Any suggestion for a low volume reverse osmosis filtration system?

Dear all, I am looking for a reverse osmosis system to concentrate a sugar solution at laboratory scale. The volumes I am going to treat are quite small, 10 - 50 mL and therefore I am looking for...

10 June 2019 4,280 2 View

HPLC analysis for VFA - how to correctly do an HPLC run?

Hello everyone, I've been using an HPLC for VFA detection but I have little experience. I'm specifically looking for acetate, propionate, butyrrate, valerate, etc. . I'm working with a c18 column...

28 May 2019 4,152 7 View

Which indicator for goodness of fit?

Dear all, I'm testing 5 different models and I'm using the Absolute Relative Error (ARE) which is (predicted-observed)/observed, the Absolute Error (AE) and the Root Mean Squared Error (RMSE) as...

06 April 2018 6,582 5 View

Do you know anything about possible interactions between proline and mGluR5 glutamate receptor ?

Do you know anything about possible interactions between proline and mGluR5 glutamate receptor ? I have found that proline interferes with other glutamate receptors, but nothing about mGluR5, but...

24 January 2018 5,709 4 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

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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 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