What is the experimental procedure to calculate the surface enhancement factor in SERS or SIERRA?

More Sherif Mohamed Eid's questions See All

What is the best method to prepare copper nanoparticles ?

I want a simple method for preparation of copper nanoparticles. The methods mentioned in publications have something missing or something they didn't mention. So if anyone has a practical...

08 September 2019 7,135 5 View

Can I use (chloromethyl)trimethylsilane instead of aminopropyltriethoxysilane for glass slides silylation?

I want to prepare a SERS substrate on a glass slide and in one of the reference method they used aminopropyltriethoxysilane for glass silylation before the addition of the nanoparticles on the...

05 June 2019 1,570 7 View

What do you think about using FTIR (utilizing ATR) as a detector for HPLC analysis?

I would like to try using ATR-FTIR as a detector for HPLC analysis. Theoretically, do you think this is possible? What are difficulties that I have to think about before real experiments?

02 March 2019 9,911 7 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 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

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Jürgen Weippert

Maybe these previous discussions are helpful:

https://www.researchgate.net/post/Is_it_possible_to_calculate_enhancement_factorEF_in_SERS_for_powder_of_Azo_dye_molecules_and_an_aqueous_solution_of_that

https://www.researchgate.net/post/How_to_calculate_Surface_Enhanced_Raman_Spectroscopy_SERS_enhancement_factor_EF

Li Zhu

This paper will be very helpful.

Le Ru, E. C.; Blackie, E.; Meyer, M.; Etchegoin, P. G. Surface Enhanced Raman Scattering Enhancement Factors: A Comprehensive Study. J. Phys. Chem. C 2007, 111, 13794−13803.

Sherif Mohamed Eid

Thank you very much Li Zhu , Jürgen Weippert .

your suggestions are helpful.