Can anyone help with a problem regarding the preparation of polymer nanoparticles?

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What's the difference between sp. accumulation and rarefaction curve?

I've searched and got few info about these but those info unable to clear my concept! Can anyone help me to provide crystal clear concept?

11 December 2019 10,020 3 View

How can we calculate UV light intensity or its dose?

We use simple UV lamp (UV-C) to irradiate an insect. Is there any other source we can use? How to control the radiation dose? Please mention the source of UV-B.

01 February 2018 6,710 4 View

Seek your suggestion.

Can anyone suggest me some research work/idea in interdisciplinary area including Ecology and Biophysical Chemistry?

06 July 2017 3,928 3 View

Is measuring diameter in DLS concentration dependent of the sample?

A number of times I observed that the diameter varies with the concentration of the sample while measuring hydrodynamic diameter of a sample by DLS technique. Could someone explain the phenomenon?

11 December 2013 4,800 3 View

In which medium/solvent it is better to dissolve Epigallocatechin gallate (EGCG)?

Please suggest me a solvent in which I can dissolve EGCG? Is it soluble in water?

07 August 2013 4,840 10 View

How to save our home: our Planet?

Today we need to think about our planet earth. As we know "Charity begins at home". So, being an individual how can we locally participate and act effectively to save our planet? This is an open...

07 August 2013 6,428 10 View

Does anyone have experience with excitation wavelength of EGCG?

I want to observe the emission spectra of the flavonoid, EGCG in flurimeter.

06 July 2013 867 1 View

Can anyone help me to identify these nanoparticles?

I'm working on polymer based nanoparticles. They are generally round in shape as evident from SEM results. Last week I got few perfectly 'triangular shaped' particles along with so called polymer...

06 July 2013 2,753 27 View

How to prepare samples for TEM?

I would like to do TEM for my polymeric nanoparticles. How can I prepare samples for TEM analysis? All types of suggestions welcome.

06 July 2013 8,367 1 View

How to get polymer nanoparticles in pure powdered form after lyophilization?

I'm currently engaged in preparing a drug loaded polymeric nanoparticle. Is it difficult to get final lyophilized polymer nanoparticles in "powdered" form? If yes, what would be the possible...

06 July 2013 1,002 4 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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