A–Z service directory
Search our range of services by method, service area, sample type or testing objective.
61 services
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A
AATCC TM 30 Test III – Antifungal properties of textiles
Qualitative assessment of the susceptibility of textile materials to fungal growth or the performance of antifungal finishes in accordance with AATCC TM 30 Test III.
Air and bioaerosol analysis
Air and bioaerosol analysis for indoor environments and workplaces, and for emission and ambient air samples, within an individually agreed scope of testing.
Antimicrobial agents
Assessment of antimicrobial active substances and agents for antimicrobial activity, minimum inhibitory concentration (MIC) and time-dependent efficacy using suitable test methods.
Antimicrobial efficacy testing
Testing of the antibacterial, antiviral and antifungal efficacy of materials and active substances in accordance with established standards and individually tailored test methods.
ASTM D2020 – Fungal resistance of paper and paperboard
Qualitative assessment of the fungal and mould resistance of paper, paperboard and comparable cellulose-based materials using a test method based on ASTM D2020.
ASTM D2574 – Microbial resistance of emulsion paints
Semi-quantitative assessment of the relative resistance of emulsion paints and comparable water-based paints to microbial spoilage in the container in accordance with ASTM D2574.
ASTM D3273 – Mould resistance of interior coatings
Qualitative assessment of the resistance of paints, varnishes and interior coatings to mould growth in accordance with ASTM D3273.
ASTM E1153 – Sanitiser efficacy on non-porous surfaces
Quantitative testing of the antimicrobial efficacy of sanitisers and one-step cleaner-sanitisers on inanimate, hard, non-porous surfaces without food contact in accordance with ASTM E1153.
ASTM E2149 – Antimicrobial activity under dynamic contact conditions
Quantitative testing of the antimicrobial activity of treated samples under dynamic contact conditions in accordance with ASTM E2149.
ASTM E2180 – Antimicrobial activity in polymeric materials
Quantitative assessment of antimicrobial activity in polymeric or hydrophobic materials with incorporated or bound antimicrobial agents, in accordance with ASTM E2180.
ASTM E2315 – Time-kill testing of antimicrobial agents and liquid formulations
Quantitative assessment of the time-dependent antimicrobial activity of antimicrobial agents and liquid formulations following ASTM E2315, based on the reduction in viable microorganisms.
ASTM E2799 (adapted) – Biofilm efficacy testing using MBPA
Testing of the efficacy of active substances, formulations and disinfectants against Pseudomonas aeruginosa biofilms using the MBPA, based on ASTM E2799.
ASTM G21 – Fungal resistance of polymeric materials
Assessment of the resistance of synthetic polymeric materials and suitable polymeric coatings to fungal growth in accordance with ASTM G21.
B
Bioaerosol analysis – emissions and ambient air
Microbiological analysis of bioaerosol samples from emission measurements and ambient air monitoring, including analysis of ambient air samples using VDI 4253 Parts 2 and 3.
Biofilm & biofilm-related testing
Testing of the inhibition of biofilm formation and efficacy against established biofilms for surfaces, materials, coatings, active substances and liquid formulations, using standardised or individually developed test systems.
BS 3900-G6 – Fungal resistance of paints and coatings
Qualitative assessment of the resistance of paints, varnishes and coatings to fungal growth in accordance with BS 3900-G6.
C
Cleaning products & sanitisers
Testing of the antimicrobial efficacy of cleaning products and sanitisers on non-porous surfaces using suitable test methods.
Contract research & method development
Contract research, development of bespoke microbiological test systems and scientific support for complex research and development projects.
Custom water testing
Individually planned microbiological water testing for specific enquiries, water types and operating conditions.
D
Dental unit water hygiene
Microbiological testing of dental unit water, with agreed testing parameters, sampling guidance and expert assessment.
Dialysis water hygiene
Microbiological testing of water from dialysis water systems, including total viable counts and bacterial endotoxin determination.
DIN EN 1276 – Bactericidal activity of disinfectants
Quantitative suspension test for assessing the bactericidal activity of chemical disinfectants and antiseptics in accordance with DIN EN 1276.
DIN EN 13697 – Surface disinfection
Quantitative non-porous surface test for assessing bactericidal, yeasticidal and/or fungicidal activity of chemical disinfectants without mechanical action.
DIN EN 15457 – Film preservation against fungal growth
Qualitative assessment of the fungistatic or fungicidal efficacy of film preservatives in paints and coatings against fungal growth in accordance with DIN EN 15457.
DIN EN 15458 – Film preservation against algal growth
Qualitative visual assessment of the efficacy of film preservatives in paints and coatings against algal growth in accordance with DIN EN 15458.
DIN EN ISO 846 – Resistance of plastics to microorganisms
Assessment of the action of fungi and bacteria on plastics and, depending on the selected method, resistance to microbial attack or fungistatic effects in accordance with DIN EN ISO 846.
DIN EN ISO 11930 – Preservative efficacy testing for cosmetics
Quantitative preservative efficacy testing (challenge testing) to assess the antimicrobial protection and preservative efficacy of cosmetic products in accordance with DIN EN ISO 11930.
DIN EN ISO 20645 – Agar diffusion testing
Qualitative agar diffusion testing of antibacterial properties, assessing growth beneath the test specimen and any inhibition zone. Other samples require adapted test designs.
DIN EN ISO 20743 – Antibacterial activity of textiles
Quantitative determination of the antibacterial activity of textile products with antibacterial treatments, compared with an untreated reference material, in accordance with DIN EN ISO 20743.
Disinfectants & antiseptics
Efficacy testing of chemical disinfectants and antiseptics in accordance with selected European standards for hand hygiene, surfaces and defined applications.
Drinking water hygiene
Planning, sampling and microbiological testing of drinking water in accordance with applicable requirements, including Legionella testing and expert advice.
Drinking water sampling
Planning and professional collection of drinking water samples for microbiological testing, including agreement on the scope of testing and sampling locations.
E
EN 1499 – Hygienic handwash
Quantitative simulated-use testing of hygienic handwash products in accordance with EN 1499, assessing bacterial reduction on volunteers’ hands.
EN 1500 – Hygienic handrub
Quantitative simulated-use testing of hygienic handrub products in accordance with EN 1500, assessing bacterial reduction on volunteers’ hands.
Endotoxin analysis
Quantitative determination of bacterial endotoxins in solids, liquids, extracts and surface samples using kinetic turbidimetric or chromogenic LAL assays.
Endotoxin analysis – custom testing
Tailored endotoxin testing for special sample matrices and specific enquiries, including assessment of matrix effects and methodological feasibility.
Endotoxin determination in liquids and extracts
Quantitative determination of bacterial endotoxins in liquids and extracts using Turbi-LAL or Chromo-LAL, with testing adapted to the sample matrix.
Endotoxin determination in solids
Bacterial endotoxin determination in solid samples using Turbi-LAL or Chromo-LAL after suitable extraction, with potential matrix effects taken into account.
Endotoxin determination on surfaces
Determination of bacterial endotoxins in surface samples, with results expressed per unit area where appropriate, for example in EU/cm².
I
IBRG P16-001 – Preservative efficacy of biocidal active substances in water-based paints
Quantitative assessment of the basic efficacy of biocidal active substances for the in-can preservation of water-based paints in the wet state in accordance with IBRG P16-001.
Indoor air hygiene
Analysis of indoor air samples for culturable moulds according to DIN ISO 16000-17, plus bacteria and endotoxins, with agreed sampling requirements and expert interpretation.
Industrial and process water
Microbiological testing of industrial and process water, with individually agreed parameters for hygiene monitoring and investigating the causes of contamination.
ISO 4768 – Anti-biofilm activity on non-porous surfaces
Screening of the anti-biofilm activity of treated plastics, coatings and other non-porous surfaces in accordance with ISO 4768, using crystal violet staining and photometric absorbance measurements.
ISO 18184 – Antiviral activity of textiles
Quantitative testing of the antiviral activity of textile products based on ISO 18184, using bacteriophages as viral surrogates in adapted test designs.
ISO 21702 – Antiviral surface testing with bacteriophages
Quantitative assessment of antiviral activity on plastics and other non-porous surfaces using bacteriophage models in a method adapted from ISO 21702. The phage model is selected according to the testing objective.
ISO 22196 – Antibacterial activity on surfaces
Quantitative assessment of antibacterial activity on plastics and other non-porous surfaces with antibacterial treatments, in accordance with ISO 22196.
J
JIS L 1902 – Antibacterial activity of textiles
Quantitative determination of the antibacterial activity of textile products with antibacterial treatments, compared with an untreated reference material, in accordance with JIS L 1902.
JIS Z 2801 – Antibacterial activity on surfaces
Quantitative assessment of antibacterial activity on plastics and other non-porous surfaces with antibacterial treatments, in accordance with JIS Z 2801.
L
Legionella testing
Professional sampling and quantitative testing of drinking water for Legionella in accordance with applicable requirements and recognised test methods.
M
Microbiological testing of material samples
Testing material and surface samples for culturable moulds, yeasts and bacteria, with quantitative, qualitative or semi-quantitative assessment depending on the sampling method.
MIC – Minimum inhibitory concentration / MBC – Minimum bactericidal concentration
Determination of the lowest concentration of an antimicrobial agent that prevents visible growth of the tested microorganism under defined test conditions.
Molecular identification of bacteria and fungi
Molecular identification of culturable bacteria by 16S rRNA gene sequencing and fungi using suitable ITS, RPB1 or RPB2 target regions, from isolation to interpretation and reporting.
P
Paints, varnishes & coatings
Testing paints, varnishes and coatings for mould resistance, film preservation against fungi and algae, and antibacterial activity of suitable cured coating surfaces.
Paper & cellulose-based materials
Assessment of the resistance of paper, paperboard and cellulose-based materials to microbial and fungal growth using suitable test methods.
Ph. Eur. 5.1.3 – Efficacy of antimicrobial preservation
Quantitative testing of antimicrobial preservation efficacy in suitable pharmaceutical preparations in accordance with Ph. Eur. 5.1.3, by monitoring viable microbial counts at specified intervals.
Plastics & non-porous surfaces
Testing of antibacterial and antiviral activity and resistance to microbial deterioration in plastics and other non-porous materials using suitable test methods.
Preservative efficacy testing
Preservative efficacy testing (challenge testing) for cosmetic formulations in accordance with DIN EN ISO 11930 and pharmaceutical preparations in accordance with Ph. Eur. 5.1.3.
T
Testing under the German Drinking Water Ordinance
Microbiological drinking water testing in accordance with the requirements of the German Drinking Water Ordinance (TrinkwV), from test planning to the test report.
Textiles & textile products
Testing of the antibacterial, antiviral and antifungal properties of textiles and textile products using suitable standard methods or adapted test designs.
W
Water hygiene
Microbiological testing and expert advice on the hygiene assessment of drinking water, dialysis water, dental unit water, and industrial and process water.
Workplace bioaerosol analysis
Analysis of workplace air samples for culturable moulds, culturable bacteria and endotoxins using IFA methods 9420, 9430 and 9450.