Tahar Mechichi

10 Questions 15 Answers 0 Followers

Questions related from Tahar Mechichi

How to avoid swelling of alginate beads?

We prepared alginate beads 2% in CaCl2 200 mM, after stirring for 1h the beads were washed with water, and incubated with the substrate in the presence of 100 mM tartrate buffer pH 5.5 after 1h...

18 March 2024 8,734 1 View

Which medium/conditions are used to assess growth inhibition of sulfanilamide or its derivatives?

Mueller-Hinton agar medium is used to assess antibiotic susceptability for bacteria. when we used this medium for sulfanilamide against Gram positive and Gram negative test strains, no...

18 May 2023 4,348 0 View

Is there a simple method for routine measurement of copper in wastewater (100 to 1000 mg/l)?

I'm looking for a simple method (spectrophotometric , precipitation....) for routine measurement of copper in wastewater that contains 100 to 1000 mg/l soluble Copper

07 June 2021 4,007 3 View

Is there a method or a medium that can be used to separate basidiomycetes from ascomyctes (no matter if the ascomycetes were completely inhibited)?

while isolating basidiomyctes from wood , some ascomycetes (trichoderma, Aspergillus) thrive more faster and contaminate the plates, i'm looking for a method or a chemical that slow or inhit the...

15 April 2021 7,716 6 View

What are the environmental biotech companies that could sell/purchase microorganisms with special biodegradative capacities?

What are the environmental biotech companies (not public culture collections) that could sell/purchase microorganisms with special biodegradative capacities?

28 February 2018 8,491 3 View

Is it safe to work with strains like “Pseudomonas aeuriginosa, Klebsiella pneumonia….etc” in xenobiotics biodegradation experiments?

many bacterial strains harbor genes encoding biodegradative enzymes, however these strains are also potentially pathogenetic to human and animals how safe these strains when isolated from natural...

26 May 2015 6,307 4 View

What is the threshold for fungal species discrimination based on 18S rRNA or ITS sequence analysis?

fungal taxonomy

14 May 2015 9,610 4 View

What are the media/conditions used for growing and isolation of xerophilic microorganisms?

Xerophiles

23 September 2014 4,292 2 View

Can anyone help with Yeast Estrogen Screen = YES and Yeast Androgen Screen = YAS?

I'm studying the biodegradation of some endocrine disrupting compounds by fungi and their enzymes and I need the YES /YAS system to measure the endocrine disrupting activities of the...

07 May 2014 4,130 1 View

Is there any simple method to screen for lipids accumulation in yeasts?

Biodiesel production

18 December 2012 1,913 3 View