Nur Ainaa Nabihah Mohd Ghazali

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Questions related from Nur Ainaa Nabihah Mohd Ghazali

Where can we purchase bacterial collection other than directly from ATCC?

Hi. Where else can we get ATCC strain microorganism specifically Bacillus pumilus ATCC 14884? I'm looking for other alternatives for direct ATCC and Microbiologics (Kwik-Stik/Lyfo Disk).

5 weeks ago 2,752 7 View

Transfer frequency when no transconjugants produced?

The frequency of gene transfer (Roberts et al., 2001) was expressed as the number of transconjugants per donor or recipient cell, whereby number of colonies x dilution factor = number of CFUs per...

16 September 2021 4,517 3 View

Rate of conjugation when transconjugant colony is too few?

How do we calculate the gene transfer frequency when the transconjugant colony count is less than 30 (too few to count)? I use the formula transconjugant/recipient or donor to calculate...

06 August 2021 7,015 2 View

Bacterial cell wall and membranes became thicker and hardly visible after exposure towards plant extract?

I introduced plant extracts during conjugation experiment and when viewed under electron microscopes, the cell wall and membrane became thicker and the lines became hardly visible. Any suggestions...

12 June 2021 1,594 6 View

How to supplement media with two different antibiotics of the same concentration?

Hi. If I were to supplement a 500ml media with two different antibiotics of the same concentration (10μg), how do I make sure the concentration of each antibiotic doesn't change? Apparently, my...

02 August 2019 7,147 3 View

How to separate fatty acids from oil?

What method should I use to seperate saturated and unsaturated fatty acids from vegetable oil? I only need unsaturated fatty acids for my study.

10 January 2019 5,905 8 View