Mike Bates

4 Questions 16 Answers 0 Followers

Questions related from Mike Bates

What's the best type of optical microscope for inorganic materials analysis (thin films, electrodes, etc.)?

I'm not familiar with microscope types, features etc. and our R&D group wants to purchase a new microscope to characterize our sensors, materials, etc. Can anyone recommend a good type or brand?...

30 July 2018 2,833 6 View

Are there any (non-pathogenic) microbial standards that can be used to spike into water samples to evaluate disinfection methods?

I would like to evaluate the relative efficacy of various disinfection methods such as UV lamps, ultra-filtration, etc. to remove microbes from water samples. I may need to spike microbial...

27 April 2018 4,118 4 View

How do I convert my procedure for reverse phase chromatographic separation from HPLC to CombiFlash column?

I'm trying to purify tagged ssDNA aptamer (26-mer, ~8.5 kDa) to remove un-tagged sequences. On HPLC I found a reverse phase procedure in the literature that works quite well: 0.1 M triethyl...

08 September 2017 5,968 7 View

Why can't I see redox peaks from cyclic voltammetry of non-aqueous electrochemical redox probes in tributyl phosphate with LiClO4 electrolyte?

I'm using a stainless steel shim as WE (bare now, with SAMs once I can observe redox peaks). Graphite foil CE, Ag/Ag+ RE. Tried using various redox probes at 1 & 10 mM concentrations. Only...

10 September 2015 8,595 5 View