Rajendra Singh

4 Questions 3 Answers 0 Followers

Questions related from Rajendra Singh

Effect of stray light and resolution power test failure for a UV- Vis spectrophotometer on its performance?

For a UV Vis spectrophotometer stray light test and resolution power test failed. Can I used it normally or there is some problem in performance and results given by it. Which type analysis...

11 January 2017 5,151 5 View

For E. coli bacteria what is dextrose concentration required in fermentation broth during fermentation ?

With starting 2% initial concentration of dextrose in fermentation broth. How I maintain minimum dextrose concentration as per OD or biomass gm/l. There is any thumb rule for that or I have to do...

03 December 2016 338 3 View

How I can calculate the ammonia hydroxide consumption for pH maintenance of a E.coli fermentation process ?

I am working on E.coli fermentation process. For maintaining pH I am using ammonium hydroxide 20% solution. During the process ammonia consumption approx 50 ml/l. But I want to know how I...

15 November 2016 810 4 View

It is necessary to pass pure steam into the media through sparger during media sterilisation?

I found that for different media different sterilization SOP follows. Some passes the pure steam into the media after reaching temperature 95 or 90 through sparger and close the jacket steam and...

09 September 2016 290 4 View