Does a rainbow has the sane granularity of a Saturn rings ?

11 July 2025 0 1K Report

In past year I saw in a highway rpad a rainbow in the water of a low rain in a peraltes curved so this is a simetría?

Badges
Science topic

More Jose Luis Armenta's questions See All

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

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

Following click reaction in cell lysates, protein is immobile and remains at the top of the gel in SDS-PAGE?

I am using CuBr/THPTA for a click reaction in total cell lysates. I am facing issues with my protein sample in non-reducing SDS-PAGE where it's not migrating properly and most of it remains at the...

29 July 2024 950 4 View

Which filtration method to go for run off water from dirty solar panels to be used again?

We are working on a robot that cleans solar panels using fresh water supply and a rotating brush. We are trying to conserve as much water at possible by recycling the dirty water that is collected...

28 July 2024 5,778 2 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

When making abraxane with Nab tech, why is 9:1 Chloroform&EtOH used as solvents?

Is it the best optimization ratio based on experiments?

22 July 2024 8,170 0 View

Can diamond be grown using molecular beam epitaxy?

22 July 2024 9,755 2 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

How can I use LabVIEW to control of an ethernet-based driver?

Hello everyone, I am new to LabVIEW, right now we need to control the movement of an ethernet-based stage drive. We got the sample code from a collaborator but their instrument is USB-based, so we...

11 July 2024 5,385 2 View

How to extract RNA from neurons?

Hi, I am a master's student who studies inflammation. I'm planning to extract RNA from the Vagal nerve or Dorsal Ganglion roots, but I got a question. It would be only a few 50ug per each nerve,...

23 July 2024 6,783 1 View

What are those black/hollow structures?

Hello, I recently stained my cells with an Arf6 antibody. The healthy control looks pretty normal, while the disease group cells have abnormally large black structures in the cell body. Has anyone...

21 July 2024 1,044 1 View

What's technologies for enhancing crop productivity in dry-land areas & agro technologies for sustainable development of rain fed & water scarce area?

What are the technologies for enhancing the crop productivity in dry-land areas and agro technologies for sustainable development of rain fed and water scarce area?

21 July 2024 2,964 4 View

Why rain water harvesting is inevitable for conservation and management of water to improve farm ecosystem services and farm income in dry farming?

19 July 2024 3,202 4 View

How can rainwater harvesting to enhance water productivity of rain fed agriculture in the semi-arid areas?

19 July 2024 4,598 3 View

Use of NC or NTC to descibe negative control?

Hello, I would like to ask which is the best terminology to use for describing a negative control in an experiment (drug testing in-vitro, viral infection): NC (negative control) or NTC? Thank you...

18 July 2024 4,183 2 View

Acid Rain and Spruce Bark Beetles now Climate Change, Monocultures, and desicated soil, what changed?

So were we wrong about acid rain in the 1980s? Can we be sure that the new story: Climate Change, Desiccated Soil, and Monocultures, is correct? Another alternative from the 1980s is the massive...

10 July 2024 4,667 7 View

After training an XGBoost model using K-fold cross-validation, Can I use SHAP to interpret this dataset?

In other words, I did not use the trained XGBoost model to make predictions on the test set and then use SHAP for interpretation. The reasons are as follows: Even with the best and most...

26 June 2024 7,332 1 View

In sds page and western blot, non specific expressed protein with very thin band is also there along with thick band of specific protein. why ?

Asper discussion, First time my clonning was failed becuase the first 45 nucleotide was not cloned in pet30 a vector then I choosed the different clone of 1:1 ration fraction, I got the size of...

13 June 2024 7,564 7 View

How can I select the narrow band filter in Zetasizer nano ZS?

I am working with chitosan/dextran sulphate nanoparticles loaded with rifampicin, which is fluorescent. Dsl analysis are bad and I saw that is necessary use a narrow band filter. How can I select...

05 June 2024 1,324 3 View