I came to know, after UV excitation, the larger gold particles emit red light and smaller particles emit violet light.
Is it right? Is it opposite to visible light?
Concentrating protein from 100 ml to 20 ml before chromatography
08 October 2019 974 4 View
hi can any one let me know which graphene is suitable for device applications the single layer or multiple layer and why?
12 April 2016 947 4 View
Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...
02 March 2021 7,829 3 View
Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....
02 March 2021 3,053 2 View
How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...
28 February 2021 7,397 8 View
I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...
28 February 2021 6,282 9 View
Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...
26 February 2021 4,777 4 View
In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...
26 February 2021 2,435 4 View
Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...
25 February 2021 7,493 6 View
Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?
24 February 2021 7,545 2 View
Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...
23 February 2021 1,908 2 View
I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...
20 February 2021 199 2 View