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شغل عالي و الله

excellent explanation.....thanks

Thank you so much for this. I think the calculation was wrong at the point of 800microliters of the 1mg/mL antibiotic solution. it should be 80microlitres in 19.92 mL to obtain 4mcg/mL. The calculation would however be correct if it were a 0.1mg/mL antibiotic solution. But I give kudos to this simplified and practical explanation. Great job.

@yemisioyetunde64

Жыл бұрын

On a second look, I think the concentration has been brought to what was actually labelled by diluting with 90 mL of agar. We can then say the 4mcg/mL in tube was actually 40mcg/mL and 10 mL of that was diluted with 90 mL of agar, to give 4mcg/mL. hence the agar dilution as its name implies

Do u happen to know , how to like use phyto oils in mic . They probably wouldnt diffuse in the agar surface

Well explained video. Thank you. Ma'am from where did u get the protocol? Can i mail you if I have some questions?

Please make more video like MALDITOF

Hi there, please help! I am conducting the antibacterial assay of my plant sample following the well diffusion method. But I have faced with a problem. Should I filter my plant sample with the help of 0.2 micron filter inside laminar flow cabinet before adding the samples into the wells. I found that when I filtered my sample, the concentration as well as the volume of my prepared sample also get decreased. I have also gone through severe literatures of my field but found no paper mentioning the use of 0.2 micron filter. So is it necessary to do so or I can skip this step?

Can use other solvent than waterproof

How many ml of agar was prepared for each plate and what is the volume of the drug diluted in it?

Please help me with a written outline of the procedure

i didnt understand that in what should be 19.2 ml of DW added ? in 10 ml tubes or what???

@ManarNihonKankou

4 жыл бұрын

I think it's not 19.2 ml! It should be 19.2 µl

@parnpakistan9907

4 жыл бұрын

First of the tube or container is labelled as 4 mcg/ml and others with 10 ml of distilled water are marked as 2, 1, 0.5 mcg and so on. To the first tube you add 19.2 ml of sterile distilled water and 800 ul of antibiotic stock this will give you 20 ml of first dilution ( 4mcg/ml) now serially transfer 10 ml to prepare the next dilutions

@bushraalayed4932

4 жыл бұрын

@@parnpakistan9907 but how you got the 800 ul? what was the concentration of the antibiotic stock you used to make 4 mcg/ml dilution? please help

@ah7510

3 жыл бұрын

@@parnpakistan9907 i think it is 80 ul to 19.92 ml DW

Incubation done for how long?

Where are you from pk I means this lab?

i didnt understand the agar dilution method.if anyone please explain details

I suscept there is something wrong with your calculations

i just wish you guys could speak proper english, thanks anyway.