How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Are international conferences a dying species?

In our discipline (chemistry), annual meetings of the American Chemical Society (ACS) used to be mega-events with up to 20,000 participants. The current one will be virtual, and the organizers...

06 January 2021 1,882 5 View

How to avoid rejection of your research paper?

Despite certain disadvantages, peer-review is generally accepted as a quality control of manuscripts submitted to scientific journals. The higher the rank of the journal, the more often...

03 December 2020 3,235 17 View

How important are citations? Are they overrated?

Citations of research papers are the topic of various threads on this platform. Quite often researchers ask how to increase the number of citations. I did my first 30 years of chemical research in...

01 December 2020 6,173 94 View

How to find the number cells in each LSTM hidden layer from python code?

LSTM has two hidden layers, I want to know the number of cells in each hidden layer.

30 November 2020 3,481 4 View

How can we sell chemistry to the public?

Chemistry is frequently termed the "central science". It underlies the foundation of modern civilization (drugs, plastics, textiles, dyes, fertilizers etc.), but the public perception of chemistry...

30 November 2020 1,113 15 View

How can chemistry help fighting COVID-19?

Chemistry is frequently termed the "central science". As such, chemistry is expected to play a major role in fighting the coronavirus. For example, hand sanitizers and drugs are all based on...

30 November 2020 4,983 17 View

What was your most exciting research achievement?

As dedicated researchers we all try to contribute to the advancement of our discipline. Often the work can be routine, but occasionally there are some real highlights. Can you please share your...

23 November 2020 4,150 20 View

Is vertical farming the future of agriculture?

Please provide your opinion on vertical farming. Is it the future of agriculture? If yes, where is it most promising (areas, countries cities etc.)?

17 November 2020 3,934 97 View

Is peer-review censorship or necessary evil?

Most researchers have made individual experiences with publishing in peer-reviewed journals. What is your opinion about the peer-reviewing process in general? In your opinion, is it "censorship",...

28 October 2020 3,631 97 View

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02 March 2021 3,060 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

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28 February 2021 9,936 2 View

Can bacterial suspension be pipetted directly onto petri dish and agar poured onto it?

Hi, recently I encountered a protocol for plating which was not the usual method I have been practicing (pour LB agar onto plate, allow it to solidify, pipette bacterial suspension onto plate,...

28 February 2021 7,292 3 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View