Is there an optimal particle size that is suitable for the extraction of metals (iron, titanium, aluminum, REE) from soil? If the particle size is small (
The expiration date of my PEI transfection reagent is out and I do not know how to check it. I only use siRNA in my work and I can't figure out what I'm doing wrong or what's wrong with PEi. Can I...
04 December 2023 4,783 2 View
I am performing siRNA transfection to inhibit a certain matrix RNA. Does it make sense in this case to determine the reduction of this RNA by reverse transcription on PCR?
30 October 2023 1,494 4 View
I have a certain misunderstanding with this term, for a literal translation into Ukrainian (English speakers, please, because I don't really understand the context). I look at the photo and the...
05 July 2023 5,056 0 View
Dear colleagues, Whats your opinion on the top-10 most popular/basic theories in the field of information (technology) and economics? That answer the question "how information collection,...
22 April 2023 8,538 6 View
If it does, how does the situation look for crystalline and amorphous materials? Suggestions of papers/books to educate me on this topic are appreciated.
08 February 2023 2,821 1 View
I need to make low cost reflectance calibration samples. I plan to apply special paints on a plywood board. For high reflectance, BaSO4 paint works well, but I can't find low (10%) reflectance...
07 November 2022 5,058 3 View
Are there indexes for calculating the biological weathering? Or do we have other ways of determining the intensity of biological weathering? It would be appropriate if they were based on the...
26 July 2022 2,774 0 View
A scheme that includes different elements of QKD and their interrelations, like servers, random number generator, photon counters, etc.
14 October 2021 1,533 2 View
In textbooks on astronomy, we can find information that the radius of the habitable zone is influenced by the luminosity of the star, the sperctral class, and metallicity. But are there any...
17 June 2021 7,278 4 View
New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...
21 February 2021 3,663 3 View
Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...
11 August 2024 7,082 3 View
I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...
08 August 2024 9,882 2 View
I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...
05 August 2024 9,798 3 View
I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...
04 August 2024 501 2 View
average particle size calculation from TEM
04 August 2024 2,921 1 View
I want to know more about REE deposits.
03 August 2024 6,930 2 View
HOW CAN I WRITE A CODE TO USE THE WAVENET TRANSFORM AS A FEATURE EXTRACTION METHOD INSTEAD OF DWT IN MATLAB?
03 August 2024 7,829 0 View
Why is the cycling of matter important to life on Earth and movement of matter through an ecosystem different than the movement of energy through an ecosystem?
03 August 2024 5,061 3 View
TEP presentation caption (The Environmental Project) Re: Why should Washington’s DC, or any country government point of location think of as nowadays of as to being 'tomorrow as to come! if it...
03 August 2024 2,484 1 View
Why does the flow of energy through the biosphere depend on the cycling of nutrients and matter and energy flow across the earth's subsystem?
03 August 2024 6,412 0 View