How to synthesize powdered gold and silver nanoparticles so that they do not agglomerate?

Colloidal solution of gold and silver nanoparticles tend to agglomerate when centrifuged.

02 March 2017 9,198 4 View

How many research papers have been published on "Smartphone based sensing devices" in the last 10 years?

I want to make a statistical collection of number of research papers published on "smartphone based sensing devices" on various fields in the last 8-10 years. How can I get the information on the...

03 April 2016 411 0 View

Can we use plano-convex lens for producing uniform illumination?

A plano-convex lens is supposed to make the light rays parallel along the optical axis of the lens. Does it ensure that the collimated beam falling on a surface gets uniformly illuminated?

03 April 2016 7,006 4 View

How does size of AuNPs affects the adsorption of BSA on the AuNPs?

31 December 2015 6,359 2 View

How can we improve the selectivity of LSPR based sensing in complex biological media?

In complex biological media, many biomolecules can have the affinity to bind with the nanoparticles' surface but when it comes to selectivity, it becomes difficult to control the selective binding...

31 December 2015 1,564 1 View

Where can I find the number of published research papers in a given area?

Can anybody help me in finding the year wise publication record on a given area of research?

31 December 2015 4,971 1 View

Apart from TEM imaging, what are other characterization technique available to ensure binding of BSA protein and Trypsin enzyme on AuNPs colloids?

What are the characterization technique available to ensure binding/ adsorption of BSA protein and Trypsin enzyme on citrate capped gold nanoparticles in colloidal form. It means I want to do the...

11 December 2015 4,093 14 View

How does sensitivity (nm/RIU) differ for LSPR in solution phase as compared to LSPR using nanoparticle substrate fabricated using lithography?

11 December 2015 971 3 View

Can we say Catalase enzyme and BSA protein as biomolecules?

Can we say that BSA protein and catalase enzyme are biomolecules?

11 December 2015 762 4 View

What is the different between R,G,B, linear R,G,B and non-linear R,G,B values of a colour?

10 November 2015 5,426 1 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 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