How to isolate diazonium tetrafluoroborate ?

I'm trying to synthesis and isolate diazonium salt of tetrafluoroborate. this salt showing white color as per reported paper. while I'm doing after addition of NaNO2 colour showing faint yellow...

11 February 2020 4,590 2 View

How to calculate Eigen sensitivity matrix for structural dynamic problems?

I am solving finite element model updating problem. In order to achieve that i am studying inverse Eigen sensitivity method as a updating method. There, i am unable to understand how to calculate...

04 February 2020 4,513 4 View

What are the techniques to calculate impurity concentration in a metal?

Hello, Can anyone inform me on the techniques (other than semi grand canonical or grand canonical ensembles) that one can use to calculate the equilibrium impurity (say P) concentration in...

21 November 2019 5,137 3 View

Information extraction from unstructured documents?

I am looking for algorithm(s) to extract data and its value from unstructured documents. We were given list of tokens against which the information from the documents to be extracted. Going...

19 October 2017 9,065 3 View

How to calculate the amount of different phases in a composite?

Hi all, I have composites of magnesium silicate and magnesium titanate. I have confirmed from the XRD data that, they have different phases with the change in the composition. I want to calculate...

22 May 2016 1,566 2 View

Which is the best algorithm of cluster analysis?

I have read literature from different sources as well solved examples. However, it was not possible for me to identify best algorithm for a given set of data. The clusters created with one...

20 February 2016 4,160 5 View

How enhance transfection in CHO cells to express fusion proteins of approx. 90-100 KDa in size?

13 August 2015 5,668 4 View

What is the optimum sample size for factor analysis?

Number of initially variables varies from 8 to 50. In some cases even it is more than 50. Let us assume if one has 20 initial variables, what will be optimal sample size for the purpose of...

07 February 2014 4,302 38 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

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 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