Inocula were prepared by direct suspensions of cells into Brucella broth to achieve the turbidity of the 0.5 McFarland standard.
A standardized inoculum was prepared using the direct colony suspension by making a saline suspension of isolated colonies selected from blood agar plates.
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Here we demonstrate the power of next-generation sequencing to determine the specificity of a widely cited Campylobacter-specific polymerase chain reaction (PCR) assay and describe a rapid method for direct cell suspension PCR to quickly and easily screen samples for Campylobacter.
Evaluation of biodegradation activity of isolates was carried out by adding 1 ml of direct colony suspension is made in normal saline and turbidity adjusted to 0.5 McFarland standard (1.5 × 108 CFU/ml) into 100 ml aliquots of % 1 PAHs, % 1 phenol and % 1 sodium sulfate enriched MSM were prepared in 250 ml flask and incubated for 6 days at 30 °C in an orbital shaker (90 rpm).
By direct colony suspension method 0.5 McFarland equivalent inouculum were prepared in normal saline from 18 24 h agar plate culture.
Test inocula were prepared from a direct colony suspension obtained after 24 h growth on sheep blood agar (incubated at 35 °C in 5% CO2).
By direct colony suspension method, 0.5 McFarland equivalent inoculum was prepared in normal saline from 18 to 24 h agar plate culture.
The inoculums with a turbidity equivalent to 0.5 McFarland standard (1.5× 10 cfu/ml) were prepared by making a direct broth suspension of isolated colonies selected from 24 h cultured bacteria on MHA plate.
In the case of direct deposition from suspension without a splashing effect and no further transport (e.g., saltation), the stoss face would experience more aggradation than the lee.
Various methods of sample preparation were compared: direct introduction of suspensions, ashing with microwave-assisted acid digestion, and microwave-assisted acid extraction, and their advantages and disadvantages evaluated.
