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Questions related to Nanoparticle Research
I want to check z potential versus pH. What is the best way to check and prepare sample for z potential. For z potential is it necessary to centrifuge the sample or it may analyze before settle...
05 May 2017 2,914 1 View
I prepared the AgNO3 solution by dissolving the solid AgNO3 into ultrapure water (pH=4), but I observed some white turbidity as shown in the picture attached. The left is 100 mg/L solution and the...
05 May 2017 1,755 5 View
hello everyone,i need help to give me some exact reason why in the ZnO Nps have higher Jsc and lower Voc compare with Zno sol gel because i always get that result and in ZnO i have lower Jsc and...
05 May 2017 6,578 0 View
For preparation of zinc oxide chitosan nanocomposite, the resulting sol is not clear and stable
05 May 2017 8,403 2 View
Is there a method for transferring dispersed primary(~20nm) silica nanoparticles (NP) from ethanol to water without significant aggregation? If you happen to know a dispersed silica...
04 May 2017 8,684 3 View
What are practical bulk filtration methods for suspended nanoparticles under 100nm, preferably under 20 nm? By bulk, i mean filtering more than 1 ml at a time. Glass filters I have seen are mainly...
04 May 2017 448 4 View
Which is the best method for silver nanoparticles synthesis?
04 May 2017 3,123 9 View
on a micron and sub-micron structures made of silicon oxide and metal (no topographical features/aspect ratio is very small) why cells tend to adhere to the metal not oxide
03 May 2017 7,344 3 View
What critical concentration of sodium alginate (low viscosity) should I use to make alginate nanoparticles with proteins?
24 April 2017 7,702 2 View
I am looking for researchers (open to collaboration or willing to provide services at a cost) with access to field flow fractionation for size separation (50 nm, 100 nm, 200 nm and 300 nm) of Gd...
23 April 2017 7,746 2 View
nanoparticles dispersion ultrasonic corrosion inhibition
23 April 2017 5,874 4 View
How to measure concentration of colloidal silica in water. Does ICP-MS work and does it require colloidal silica dissolution beforehand ?
20 April 2017 4,512 1 View
I would be very thankful if anyone can suggest me the simplest way to synthesize magnetic nanoparticles based conducting polymer composites? The magnetic nanoparticles could be metallic and/or...
18 April 2017 3,639 5 View
Greetings !! I`m preparing the chitosan nanoparticles via the Ionotropic Gelation process, yet these nanoparticles agglomerate hugely when I suspend them in the BME culture medium, ( the pH of the...
11 April 2017 5,237 10 View
I have gold nano cubes made using CTAC .For some of my studies i need negatively charged gold nano cubes .can anyone suggest me how i can make the surface charge negative.which method i can use it...
11 April 2017 8,916 1 View
Is there any method that I can follow to measure the density of the nanocomposite I have nanocomposite from fe3o4 /PVA and GO/PVA with different ratio?
09 April 2017 8,427 4 View
The work function of gold (5.2 eV) is higher than silver (4.4 eV). Does it mean, removing an electron from the surface of gold needs more energy and is difficult than silver?
04 April 2017 10,035 3 View
how can I calculate the loading efficiency of volatile drug through TGA ? one of plain polymeric nanoparticles and other polymeric nanoparticles loaded with volatile drug
04 April 2017 3,248 3 View
do NaNO3 convert to the nanoparticles when I dissolve it in distilled water
04 April 2017 10,065 9 View
I want to dissolve ZnO nanoparticles in water, compeletly, but it is not possible. please advice me about this case. please suggest me another solvent along with water. Thank you due to kind...
04 April 2017 4,462 3 View
Small copper nanoparticles have a better antibacterial activity compared to big nanoparticles.
04 April 2017 4,991 5 View
04 April 2017 5,339 5 View
as long as, how can prevent the aggregation the metal nano particles which are prepared by laser ablation ?
04 April 2017 6,875 7 View
no thing
04 April 2017 4,768 0 View