Noshaba Hassan

8 Questions 7 Answers 0 Followers

Questions related from Noshaba Hassan

Which organic solvent should be used for liquid-liquid extraction of water soluble azo dyes for GC-MS and FTIR analysis?

I have used ethyl acetate (the most reported solvent for extracting dyes and their degraded products) but the problem is i am unable extract the original dye solution, can any body suggest me some...

02 February 2016 3,331 1 View

What is the preferable method for sample preparation of degraded dye (mixture) samples/metabolites for performing the GC-MS analysis?

What is the preferable method for sample preparation of degraded dye (mixture) samples/metabolites for performing the GC-MS analysis? Most of the available literature is on individual dyes. Could...

09 September 2015 460 4 View

What is the preferable method for total DNA extraction from enriched broth culture samples?

I am looking for a protocol for total DNA extraction from enriched broth samples (enriched from soil and sludge samples). Could the methods available for DNA extraction from soil samples be used...

08 August 2015 9,516 3 View

Can anyone tell me whether Placket-Burman or Central composite design is most suitable for carrying out optimization experiments?

i am working on textile dyes' degradation for which i have to optimize different process parameters (atleast 8 factors). I have reviewed the literature and found both of these designs in different...

06 June 2015 2,649 5 View

What are the different methods for differentiation between live and dead cells in protozoans?

I am using protozoans in antiprotozoal assays for different colored compounds. the method I found for differentiation between live and dead protozoan cells is the "use of trypan blue stain". The...

12 December 2014 1,859 2 View

Which is best the best procedure for obtaining pure cultures of protozoans e.g. amoeba, paramecium?

I have tried different enrichment and isolation methods. I have also used cereal grass medium recommended for protozoans. But even after a number of successive shifts I am unable to get a pure...

12 December 2014 6,456 6 View

What is the best procedure for sample preparation for FTIR analysis of degraded textile dye samples i.e. in simulated and real effluent?

I have used liquid samples earlier but the results were not good, due to the major peak of OH group, all other peaks become inconspicuous and thus difficult to interpret. The other alternative...

11 November 2014 9,302 6 View

Which type (material) of filter/syringe filter is suitable for filtration of azo dyes?

See above

10 October 2014 4,678 2 View