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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....
03 March 2021 3,633 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...
21 February 2021 686 2 View
I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...
05 February 2021 5,287 1 View
I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...
27 January 2021 765 4 View
I have some basic questions about the behavior of a charged particle in a static B-field. 1. Without a B-field, the particle has spin, with random orientation and spin frequency. a) What...
25 January 2021 1,775 3 View
In a non-Hermitian system, the expectation value of any operator changes with time. This happens for the number operator also. When an onsite complex potential is introduced in a system, that...
18 January 2021 7,351 5 View
Hi everyone, I would like to ask if it is necessary to validate the control test (eg sub-visible particles) for each Finished Pharmaceutical Product (FPP) separately (using the same method, the...
07 January 2021 5,974 3 View
I have all data of particles, such as size distribution, or numbers. Is there any way that I can calculate the packing density of these particles? Assume that all particles are circular.
06 January 2021 4,854 2 View
I have been trying to derive a kinetic model for aggregation of asphaltene molecules in molecular scale. I am looking for similar models in gas hydrates or colloidal particles in molecular scales...
22 December 2020 4,531 3 View
Are there some (simple) rules or conditions which dictate whether a physical process will lead to a state of quantum entanglement of two or more particles or systems? Given the relevance of the...
14 December 2020 7,933 3 View
I am examining laboratory cases about ZnO Based ceramic Lapping with SiC,Al2O3,CeO2 and SiO2 abrasive particles. but i have no experience about modifying SiC slurry lapping. Also,i use of double...
14 December 2020 4,645 4 View
Hey, does anyone know any effective way to separate virus from exosomes fraction? my problem with the separation of the EVs in this system is the fact that the virus that we work with particles...
07 December 2020 5,101 2 View
I am doing APTES functionalization of 1 micron mono-dispersed silica particles ( directly purchased) in ethanol solvent. I am using 7.5 ml silane for 0.5 g particles in 25 ml ethanol.Tried...
06 December 2020 5,768 4 View
I am working on nano-composites and to increase mechanical strength I need particles having hydroxyl group on their surface. I currently hava silica particles available so I was wondering if there...
03 December 2020 3,403 7 View
Dear RG colleagues, how can one synthesize the inverted core-shell particles (ICS) from a polymer and a Nano-metal oxide? Where the polymer is a core and the metal oxide is a shell. Under which...
02 December 2020 10,283 2 View
Normally we assume that the zone of vacuum consolidation is fully saturated. But I need to find out what effect the existing groundwater table has on effectiveness of Vacuum consolidation method....
01 December 2020 3,351 1 View
Hi all... I am simulating two phase flow of a viscous liquid with micro-dispersed particles in it using Comsol v5.3a. In the 3D-geometry, while adding material to the specified domain, I need to...
20 November 2020 4,778 2 View
I have prepared Multivesicular liposomes using the following procedures: Multivesicular liposome formulations for the sustained deliv... Multivesicular liposome (MVL) sustained delivery of a...
19 November 2020 3,502 2 View
Hi, I am conducting microscopy on some calcium alginate particles but I see irregular structures in the background. Are these gel structures formed by the combination of calcium ions and alginate...
19 November 2020 968 3 View
What I want to do: I have a colloidal dispersion which comprises silicon dioxide (SiO2) particles (diameter=450nm) and poly(ethylene glycol) and want to confirm that the SiO2 particles are well...
17 November 2020 1,220 16 View
Basically, I was looking for the laboratory method for microplastics observation from a seawater sample and beach sample. Most of the cases, they followed some criteria to get a precise amount of...
10 November 2020 8,831 6 View
What are the advantages of Particle Swarm Algorithm over Genetic Algorithm?
10 November 2020 7,449 4 View
Hello, I've been trying to isolate RNA from hiPSC derived neuron culture (70 days old) with GenElute™Mammalian Total RNA Miniprep Kit but I could not obtain a good yield even though I had a...
09 November 2020 8,142 3 View
I want to measure the charge on the particles in the solutions using zetasizer, but the experiment needs R.I and absorbance co-efficient to be conducted, but i cant find the stated valued for the...
09 November 2020 4,041 9 View