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- PRODUCTS
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Sample preparation
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Gravimetric dilutors
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Lab blenders
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Dispensing pumps
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Lab accessories
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Bacterial analysis
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Automatic platers
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NEWColony counters
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Inhibition zone readers
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Real-time incubator and colony counter
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NEWPetri dish labeling solution
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Consumables
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Blender bags with filter
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Blender bags without filter
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Blender bags with culture media
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Sterile sampling bags
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Autoclave deodorants
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Comparison of manual and automatic methods in microbiology
The use of an automated method for the analysis of samples increases not only reproducibility but also productivity and reduces the use of consumable up to 75%. It brings repeatability and complete traceability.
Manual method
Total
analysis time
Automatic method
Total
analysis time
less
consumables
1. Dilute the sample
Automatic method
Gravimetric dilutors
Automatically dilute the sample with the appropriate mass of diluent.
- Fast: 225 mL in 8 s
- Dilution accuracy: > 99% (in Standard or Accurate mode under optimal conditions)
- Reproducible
- Secure
- Automatic traceability
Manual method
Manual dilution
Weigh the sample and manually add the diluent.
- Long and tedious
- Lack of precision
- Not reproducible
- Lack of security
- Manual traceability
2. Blend the sample
Manual method
Laboratory blenders
- Time saving on cleaning
- Filtration and blending
- No cross-contamination
- Optimal bacterial extraction
Manual method
Sample grinding
- Time consuming cleaning
- No filtration
- Risk of cross-contamination
- Undesirable cell lysis
3. Collect the filtrate
Automatic method
Filter bags for blenders
- Instant filtration
- Easy pipetting
Manual method
Bag without filter
- No filtration
- Blocked pipette
4. Dilute and plate the sample
Automatic method
Automatic platers
- From 100 to 1x107 CFU/mL on 1 Petri dish
- Up to 75% savings in consumables
- Automatic traceability to automatic colony counters with dataLink
Manual method
Manual plating
- Repetitive action method: 4 dilutions + 4 successive platings
- Lots of consumables
- Manual traceability
5. Counting the colonies
Automatic method
Automatic colony counters
- Counting is simplified with the use of a filter bag
- Standardized and reproducible results (Study conducted on Bacillus cereus, Escherichia coli and Lactobacillus casei.)
- Results exported and archived automatically
Connexion LIMS
Audit trail
Bar-code
dataLink
Backup and archive sessions
JPG, PNG, BMP
CSV
ExcelTM OpenOfficeTM
Manual method
Manual counting
- Difficult counting with the use of a bag without a filter
- Variable and uncertain results
- Results entered manually:
error-prone and time-consuming