Why transmission power drops with Lumerical FDTD simulation time?

Hello everyone, I am trying to design a ring resonator in FDTD. I simulated the design and found transmission power dropped by increasing simulation time. Once I increased the simulation time the...

21 January 2021 4,872 4 View

Could you please recommend interesting building material which is environmental friendly and good in insulation in Constructions?

Insulation materials come from different sources. Each material has advantages and disadvantages that must be considered when selecting insulation for buildings. What would you recommend other...

03 January 2021 5,105 21 View

Which material has similar properties to carbon fiber but is much cheaper? Alternative material suggestion?

Alternative material must replace cfrp witH almost similar properties such as being lightweight, strong, durable, oxidation resistance etc

16 April 2020 3,058 6 View

Can you please refer to some materials on additive manufacturing of aluminum alloys?

Can you please refer to some materials on additive manufacturing of aluminum alloys? Thanks.

30 March 2017 8,214 3 View

How can the interference of the color of my test compound be nullified in a UV-spec assay?

23 February 2017 496 3 View

Can anyone please suggest slow coupling agents for amide formation with deprotonated carboxylic acids?

Hi I am looking for a way to synthesize amide functionalized gold nanoparticles from mercaptocarboxylic acid functionalized gold nanoparticles. In order to keep these particles stable, the surface...

09 October 2016 6,064 1 View

How to model the interaction time of transiently formed dimer nano-particles (in liquid), w.r.t Brownian motion?

Nanoparticles dispersed in liquid are known to undergo Brownian motion. I feel that from time to time, two individual nanoparticles can come close enough to spaces of 1-3 nm and form transient...

27 September 2016 6,523 3 View

What could be the probable reason for a layer of dense sticky layer at the interface of solvents during organic solvent extraction?

On performing organic solvent-solvent extraction with cell free supernatant of actinomycetes, I observe a thick sticky layer between the two liquids. What could this be indicating?

12 August 2016 7,349 4 View

Can someone please help me on the functionalization of CTAB/citrate capped 40 nm gold spheres with mercaptocarboxylic acid groups?

I tried the round trip exchange method (by first exchanging the CTAB with dodecanethiol and further by mercaptoundecanoic acid), but my particles aggregated. The direct addition of...

20 June 2016 874 3 View

What is the way to use gain flattening filter ?

Hello Everyone, I am trying to make spectrum in same amplitude, therefore i have used gain flattening filter to chop out the noise and make all the spectral lines in same amplitude in optisystem....

30 May 2016 2,824 3 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