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Can you add a thickener or viscosity modifier such as xanthan gum or carboxymethyl cellulose into your sample when performing laser particle size analysis to help keep particulate samples in...
07 November 2020 7,084 7 View
I have rutile TiO2 grown on Si rods(100 microns long) with Ni bulb on one end of the cylindrical rod. They are supposed to float on the surface of the water but they tend to clump. How can I...
06 November 2020 9,252 2 View
Hi guys. Can anyone answer the following with citing the references? 1) Relationship between adsorbent porosity and adsorption/desorption rate? 2)Relationship between porosity and adsorbent...
01 November 2020 6,631 5 View
I am interested in packing primary particles defined by super-ellipsoid equations under the influence of particle particle interaction involving friction, torque and reducing particle to particle...
28 October 2020 9,271 1 View
Hey, hi, I am preparing Chitosan-TPP NPs in the ratio 1 (TPP) : 5 (CHI), I am encapsulating DNA inside the NPs and to measure the E.E. I am spinning down the particles and measuring the...
27 October 2020 10,225 3 View
In the crystallization mechanism, particles often first go through an amorphous phase (where the units of the 'to-be' crystal are disorganized) before they reach their crystalline lattice...
26 October 2020 9,027 3 View
I am preparing microcapsules from complex coacervation procedure to encapsulate an oil phase. However, filtration to remove the aqueous phase results in a paste of aggregated particles. So I am...
26 October 2020 3,449 3 View
I am trying to separate suspension of PHB particles, stabilized with PVA. The DLS results show two populations with peak maxima about 150 nm and 380 nm. The Zeta potential was -3 mV (pH 7) across...
22 October 2020 6,842 1 View
Discovery of high energy particles
20 October 2020 5,015 3 View
I've got the TEM pictures of my purified bacteriophage whose host is S. aureus. there are various shapes with tail/tailless (maybe a little tail). in order to place it in a family, I need the...
16 October 2020 5,573 5 View
Hello, I am isolating lamina propria cells from intestinal tissues and I would like to add an extra step at the end to filter out cell debris but preserve my cells. Should I use a 22um filter and...
15 October 2020 3,461 2 View
Whether or not a particle can have mass and travel at the speed of light is a very important question, and lies at the heart of very important physics which has not been properly addressed until...
06 October 2020 8,658 24 View
The Corona virus is effused when someone talks, coughs, sneezes, or sings, mainly in droplets that can be projected a short distance, and sometimes in smaller aerosol particles that can remain...
03 October 2020 1,246 8 View
The two mechanisms Eddy current and Hysteresis produce heat in ferromagnetic conductors when placed into an alternating electromagnetic field. However, do these mechanisms also effect very small...
21 September 2020 9,405 7 View
I am investigating some biocomposites formed by PBAT and tiny particle fillers derived from natural wastes. I have noticed that with a loading of 10%wt. of these fillers, the elongation at break...
29 July 2020 9,713 1 View
Hello, I am somewhat new to dynamic light scattering. I am working with a heterogeneous mixture of carbon based particles synthesized at various hydrogen peroxide concentrations. It's worth noting...
13 July 2020 949 2 View
We live two lives - the one we imagine and expect and another we execute and experience. Does this apply to spirits?
11 November 2019 5,740 7 View
As written in 'advanced body armour using shear thickening fluids', Wagner suspended silica particles (diameter of 446 nm) in ethylene glycol at a volume fraction of approximately 0.57. Suppose...
11 November 2019 586 6 View
My project is to detect the amount of particle/density flowing inside pipe using ultrasonic method. Is it possible or is there any other way to measure the amount of sand flowing?
11 November 2019 1,072 3 View
Imagine that we have point interacting particles, that moving according law like x(i, t+dt)=x(i,t)+f(i,j,t)*dt. Or also velocities can be included. In the limit dt ->...
10 October 2019 6,099 5 View
Hi! Tell me if you are familiar with Microtrack equipment. Does Microtrac have a scattering angle of only 180 degrees? What are the advantages of Microtrac devices in comparison with other...
10 October 2019 7,803 5 View
During characterization of nanoparticles through measuring the sedimentation rate in DMF the samples give different rates of sedimentation. The inference was theoretically based on the ability of...
10 October 2019 10,089 11 View
The great experiment at the LHC has proven the non-existence of quarks. But current theories claim that 'quarks' are the decaying particles if β-electrons resp. β-positrons arise. If the theories...
10 October 2019 2,165 4 View
We are worry about the small size plus weight of nano particles, so may be harmful to living cell specially prokaryotic one.
10 October 2019 1,600 1 View