23 March 2019 1 3K Report

Reformulando a pergunta anterior.

More José Teófilo de Carvalho's questions See All
Why do open and free science in a world where science is not open and free?

Because I have realized that the world tends more and more to do open and free science and there is a trend more and more to choose free databases, free tools and open access platforms.

01 August 2024 10,046 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users,  I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Comparison of Methanol and ethanol treatment on collagen based scaffolds?

Kindly share a research paper that explains the effect of Methanol and ethanol treatment on collagen based scaffolds. How it increases porosity and swelling. Kindly help me find a paper. Thank you

24 July 2024 3,937 0 View

My question concerns MTT cell viability assay?

Despite not having cells in the media, I am getting purple color. I have tried many troubleshooting methods, varying media types, and even different MTTs from different companies to figure out the...

21 July 2024 9,914 1 View

How to represent Annexin V apoptosis study data in publications?

Hi, I have performed an Annexin V apoptosis study using flow cytometry and got quite good results. I doubt how to represent the quadrant percentages in the final bar graphs. Some papers only show...

13 July 2024 356 3 View

In silico techniques for identification of inhibitor/activator/substrate activity?

Hello dear researchers, I would like to know about available in silico tests that could predict the activity of ligands (small molecules) against the target protein. I have performed docking...

08 July 2024 4,724 4 View

Is seti need to be fixed in radio colimated?

seti or search of intelgenece articial nee to be fixed due to masss solar systems outhere thta expelled laser beam light ollimated wel beign so is neede to modificated the seti in a new device of...

21 June 2024 5,059 1 View

Question about ELISA with the "Cattle IGF 1 (Insulin like growth factor) ELISA Kit" Cat: ELK5630?

Dear fellow researchers, We are conducting an ELISA with the "Cattle IGF 1 (Insulin-like growth factor) ELISA Kit" (Cat: ELK5630). Samples and reagents were prepared following the instruction...

13 June 2024 9,473 0 View

Best method for extracting RNA from low biomass of Ectocarpus (filamentous brown algae)?

Hello everyone! I am currently working with the model organism Ectocarpus (filamentous brown algae). Our team is trying to standardize a protocol for RNA extraction using low biomass (around 10...

18 May 2024 3,862 1 View

Problems in measuring TG/DTG, Different results for the same sample, how to fix it?

TG measurements on the Hitachi STA7300 equipment started to have different results for the same material after some time of use Some tests have already been carried out to try to correct it: Gas...

17 May 2024 7,438 4 View

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What are the main advantages of writing and publishing academic textbooks?

I would like to know what are the main advantages of writing and publishing academic textbooks?

09 July 2024 9,398 1 View

How to remove a preprint?

I have a preprint on IS COVID AS LETHAL AS THE SPANISH FLU. I have uploaded the printed, substantially revised paper and wish to delete the preprint. Many thanks for your help....

24 June 2024 2,604 0 View

Can technical textbooks be converted into story books, movies or games?

I wonder why people are still reading textbooks for learning something instead of referring simple explanations in the form of animated videos, stories, games or movies.

19 June 2024 9,789 0 View

When will education completely be gamified?

I would like to know when will education be gamified and fully converted into a game instead of traditional textbook learning without any milestones or missions to accomplish.

17 June 2024 7,171 4 View

I'm trying to determine the carbon footprint of a university . What questions should I ask the university staff?

to determine the carbon foot print of the university and faculties

10 June 2024 705 4 View

Using Integral of Error as Input in Fuzzy Logic Controllers?

Hello. I'm currently working on a control system for a doubly fed induction generator (DFIG) as part of my thesis project. Traditionally, fuzzy logic controllers (FLCs) use the error (e) and the...

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Why the Mixed mode simulation always exit with status 0?

I encountered some issues while simulating the transient characteristics of a device using Mixed Mode. After executing the following codes, an error message "Simulator has unexpectedly exited with...

23 May 2024 2,238 0 View

Are there any good textbooks on the study of Magnetoelectric Antennas?

I'm looking to simulate Magnetoelectric Antennas in CST Studio Suite and also study their behavior. Are there any good books that cover this field in detail?

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Why my simulation of Mixedmode is always wrong?

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