How to solve this problem??

More Surachai Rattanasuk's questions See All

If i want to add plant oil as a substrate in culture media... how to mix or add it? what the suitable emulsifier use for bacterial culture? Thank you

How to mix plant oil to culture media?

19 September 2012 9,952 8 View

How to calculate FIC index?

Can someone explain to me how was the MIC of MO in combination and MIC of antibiotic in combination was calculated? as shown in the attached file below.

26 July 2024 2,702 1 View

Are those seeking solution part of the problem?

In reference to antibiotic as a commodity, what is your take and way forward on common molecules in both Veterinary and Human antibiotics in relation to currently experienced emergency of AMR?

20 July 2024 4,020 0 View

Does it work as antibiotic resistance if plamid has no RBS??

I am on gene work to express gene of interest in some Bacillus species. Thus far, i need to try some RBS in Vector which is optimized for bacillus subtilis. Before i design vector to express in...

11 July 2024 7,847 1 View

Is antibiotic bad for transfection?

I'm going to transfect cells with expression plasmids and later siRNAs against the same gene. Is it true that penicillin/streptomycin in the media negatively affects these processes? Shout I use...

07 July 2024 8,671 6 View

Performance Standards for Antimicrobial Disk Susceptibility Tests, 14th Edition ?

Performance Standards for Antimicrobial Disk Susceptibility Tests, 14th Edition , please shre this file if anyone have.

29 June 2024 6,929 1 View

I am working on antimicrobial effect of CBD (Cannabidiol), how should I prepare the stock which dissolve in Muller Hinton agar?

I am working on antimicrobial effect of CBD (Cannabidiol). As it is insoluble in water, I prepared a stock of 500 mg/ml (in DMSO). Now I have two problems: 1- I can not dissolve more than 500 mg...

10 June 2024 9,564 6 View

Stable transfection be combined with two or more antibiotics to screen cells?

Can positive cell screening after stable transfection be combined with two or more antibiotics to screen cells? Will all the cells die?

10 June 2024 9,739 0 View

I want to ask if I suppose to add 200mg of antibiotic in 100ml of water so what is the concentration of this stock solution in microgram?

Hello, I recently started working with antibiotics and I do not have that much experience of making dilutions accurately. I want to ask if I suppose to add 200mg of antibiotic in 100ml of water...

08 June 2024 2,285 6 View

Is it okay to dissolve Ampicillin Anhydrous in 1 M NaOH?

So I made a 100 mg/ml solution of Ampicillin and in order to solubilize the powder I used 1 M NaOH. I noticed the solution turns yellow shortly after dissolving and I was wondering if some...

05 June 2024 7,170 0 View

Why am I observing a m/z peak at 372 for the ciprofloxacin hydrochloride hydrate spectra in MS?

The antibiotic powder is dissolved in Milli-q water and then filtered using syringe filter for the analysis.

01 June 2024 7,419 0 View