What is the zeta potential value of deionised or distilled water?

I am getting zeta potential value of about -30 mV for distilled water obtained from a commercial supplier. What it means? What should be the zeta potential value of distilled water? How can I...

10 October 2017 2,791 19 View

Dear all, can anybody suggest me how to seperate phytoconstituents from alcoholic extract of plant material using column chromatography

I successively extracted a plant material with different solvents, among these alcoholic extract shown best activity, for this I did GC/MS analysis. further I would like to separate the...

09 August 2017 7,760 2 View

How to calculate refractive index from Uv visible spectrum?

send the link i.e formula

11 June 2017 6,371 10 View

Will the natural convection ( CFD simulation) problem within an enclosure converge thermally?.Because there is an external solar load as well?

I am solving the natural convection heat transfer problem within an enclosure with few heat generating components using Fluent.Around this enclosure,I have considered the fluid domain. To consider...

17 November 2016 6,131 5 View

Does anyone know about "Asymptote" Software and online learing?

25 June 2016 4,421 2 View

How to calculate refractive index of small size crystal??

24 June 2016 4,039 1 View

Is the zeta potential value valid for amino acid functionalized nanoparticles?

I have modified my carbon nanoparticle surface with amino acids. Now I would have both amine and acid functionalities on the surface of my nanoparticle. The measured zeta potential value is about...

31 December 2015 6,592 10 View

Why do I observe a downregulated gene in RNA-Seq that is upregulated in qPCR?

15 November 2015 4,108 4 View

Can anyone suggest literature on Regional Innovation Systems in solar energy in the Indian context?

26 March 2015 5,749 2 View

How can I modify the HELLO list in AODV by adding some fields?

17 October 2014 7,742 12 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Distribution of particles in metal matrix?

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

How can I calculate the rdf of water molecules around 'Na' ions that are closest(adsorbed) to the nanoparticle(solute)?

Hi, I want to calculate the radial distribution function for water molecules around the Na+ ions adsorbed on the surface of a spherical nanoparticle using the gromacs trajectory dynamically? For...

28 February 2021 5,650 1 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

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