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 7,256 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 1,655 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 9,999 7 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Should I include H atom into C3N5 when i am doing DFT modelling?

Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...

07 August 2024 8,414 2 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

What is meant by baseline of FTIR data?

I got comment on my FTIR data figure from a reviewer. The reviewer said "FTIR data in Figure should be repeated. there is no bassline." I made Y off set comparison graph of FTIR on OriginLab. Can...

03 August 2024 6,070 3 View

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How to do wavelet transform of EXAFS data?

I want to do wavelet transform of some compounds for their comparative study? Kindly help me in this regard and provide with proper procedure.

31 July 2024 4,170 0 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.