Gerhard Du Preez

5 Questions 4 Answers 0 Followers

Questions related from Gerhard Du Preez

Best protocol for heat killing E.coli OP50 for Caenorhabditis elegans feeding?

Can someone please advise the best protocol to heat kill OP50 while maintaining the bacteria's integrity as a food source? Also, for how long can heat killed Ecoli be stored at 4 degrees celsius?...

03 March 2018 3,779 5 View

How can a list in excel be sorted in table format?

Attached is an example of my problem. The different names listed in Column A need to be the headings of columns in a new table, with ALL the corresponding values listed under the appropriate...

02 February 2016 6,648 6 View

How to differentiate between high and low flow periods, and quantifying dilution effect?

Hi all I have two tasks: 1) Using historical water quality monitoring data to identify high and low flow periods for specific sites and, 2) Determining what influence the dilution effect might...

02 February 2016 1,977 2 View

Could the bagworms cause a harm to the cattle?

A local cattle farmer (South Africa) suspects that the cases constructed by bagworms cause a blockage (or something similar) in his livestock. Can anyone comment on this possibility? And maybe any...

02 February 2015 8,717 2 View

What molecular technique is most effective and reliable in differentiating between African catfish (Clarias gariepinus) populations?

Our aim is to determine whether C. gariepinus specimens sampled from two different locations belong to the same or separate populations. One site is a surface water system and the second a...

08 August 2014 7,771 5 View