We can see only a portion of the universe, and it’s unknown what exists beyond this visible horizon. Could there have been a multiverse, a cyclical universe, or something entirely different?
I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...
04 August 2024 1,200 2 View
I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....
31 July 2024 3,843 7 View
How far is the distance with question marks on it? There is a river, where you measure at the point out to the right and there is a low screen. The river is green, what is visible is within the...
24 July 2024 4,405 1 View
I used MDCK cells for my plaque assay for influenza virus and seeded 950,000cells/well in 6-well two days before infection. The virus was diluted in FBS-free MEM with 0.5ug/ml TPCK-trypsin. Here...
11 July 2024 5,669 5 View
The reflexes within the measured XRD pattern are not clearly visible or fully indicated, and a legend is missing. explain this.
27 June 2024 7,257 3 View
Good evening, I´m establishing a protocol for detecting ROS using DHE staining in Flow Cytometry using TK6 cells. They look visibly pink after staining them with 10 micro Molar DHE. Is that...
19 June 2024 7,339 0 View
Hello! I am currently situated in Paraguay, where I did research on howler monkeys. I am now in the data analysis fase of my project and pretty stuck. Background of the project: I played 5...
19 June 2024 5,319 2 View
A 30m ZnCl2 aqueous solution is needed to prepare and use the electrolyte, as used in some references denoted below. [Chen, Ze, et al. Journal of the American Chemical Society 145.37 (2023):...
11 June 2024 4,479 1 View
why uv is done and why photocatalytic measurement is done although both use uv radiation
09 June 2024 8,750 1 View
Have you ever seen a small number of cells, 50-100 thousand, after centrifugation as a dry pellet in an Eppendorf tube without a microscope? Are there methods to potentially stain the cells in the...
09 June 2024 6,311 0 View