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Questions related from Victor Ng
I am interested to separate a sample matrix via a method very similar to chromatography. The reason I am asking about this is because I am planning to integrate this method with my SERS...
11 April 2016 3,765 1 View
Thin Layer Chromatography is a very powerful method in analytical chemistry for separating complicated chemical matrices. As an engineer, I am interested to build device capable of automating TLC...
09 April 2016 9,558 2 View
We have been working with some organic solvents lately and noticed a sharp decrease in SERS performance from our gold nanoparticles deposited in an organic solvent such as methanol. With reference...
09 February 2016 3,753 2 View
I am interested to deposit SERS gold colloids on a medium. This medium should allow the deposit of an analyte for SERS detection. I have found a paper on this technique: "Inkjet printed surface...
31 July 2015 4,273 5 View
What is the main difference between Gold and Silver nano particles in Surface Enhanced Raman Spectroscopy? I read on wikipedia that Aluminum is also being explored as a potential SERS substrate....
13 July 2015 7,596 3 View
I have data of varying concentrations of a particular substance in water. I recorded its Raman signals between 1 ppt to 1 ppb using identical parameters. I would be using Savitzky-Golay filtering...
07 July 2015 2,566 2 View
I am using a laser source that is wider than typical laser source for Raman spectroscopy. This mean that the full width at half maximum (FWHM) of the laser is about 5-10 nm, compared to the normal...
23 June 2015 7,279 3 View
