Priyanka Mishra

10 Questions 5 Answers 0 Followers

Questions related from Priyanka Mishra

Why Pseudomonas fluorescens ATCC13525 does not grow on acetate?

I am trying to grow Pseudomonas fluorescens ATCC13525 on different carbon source except glucose in M9 medium but i cannot see them growing on acetate. I am not able to find more information about...

02 February 2020 7,267 4 View

Is raman peak at 515cm-1 normal for silicon wafer with 532 laser and 600 grating?

We installed new grating to your Renishaw inVia Raman microsscope. While routine calibration of the system, we observed the Si raman peak at 515cm-1 for 532 lase 600 grating and 519.9 cm-1 for 532...

12 December 2019 5,984 3 View

What are some of the best substrate that we can use for Raman measurement of bacteria except CaF2?

I am looking for the cheaper substrate for Raman measurement of bacteria, without compromising much on the quality of spectra, also does anybody have experience with metal coated slide for...

06 June 2019 6,400 3 View

How to calculate signal to noise ratio ?

I have raman spectrum from a single bacterial cell, i want to calculate the signal to noise ratio for the same, what is the correct way of doing it?

02 February 2019 2,243 4 View

What should be the ideal size of Au or Ag nanoparticles for getting optimum SERS effect ?

I want to perform SERS for bacteria, i want to know what should be the ideal size of Au or Ag nano-particles which can create optimum plasmonic effect considering also the stability of the particles.

10 October 2017 4,071 4 View

What is indicated by Raman intensity for bacteria?

I supplemented bacteria with 13C labelled substrate, and measured the incorporation of labelled growth substrate at regular time interval with Raman Microscope. Incorporation of labelled substrate...

02 February 2017 8,327 3 View

Can we use glassy carbon as the substrate for Raman Microscopy?

Want to study the behavior of bacteria on glassy carbon, so i wanted to know if i can directly use glassy carbon slide as substrate for Raman microbial analysis??

01 January 2017 9,325 1 View

Which are some of the companies providing graphite membrane?

I want to use graphite membrane for the biofermenter to study diffusion of ions. But i cannot find any company offering good ranges of graphite membrane. Answers are requested from somebody...

01 January 2017 9,221 2 View

What is Convective assembly method for SERS?

Recently i was reading an article on SERS for bacterial detection, there i came across this work "Convective assembly method" for increasing the reproducibility of SERS signal. I googled it, but...

06 June 2016 6,035 3 View

How to measure the Zeta potential of Bacteria?

Hello friends, I tried to measure zeta potential of bacteria in 10 mM PBS by malvern zetasizer, but during measurement both the electrodes turned black and my bacterial culture precipitated and...

02 February 2016 7,134 7 View