Technical Papers
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Polymeric Flooring Compared with Peel Off Mats.
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The results provided by Research Microbiologist at GlaxoSmithKline demonstrated that Dycem's contamination control flooring was over 99% effective at preventing wheel and footborne, viable and non-viable particulates from entering the critical manufacturing area. Whereas the alternative system evaluated 'The Peel-Off Mat' collected and retained only 27%.
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Anne Marie Dixon Standard Operating Procedures
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Anne Marie Dixon, a leading consultant in the training and auditing of clean areas has produced three industry specific SOPs for the cleaning of Dycem products.
Please click on links below for the full reports.
Industrial SOP
Medical Devices and Terminal Sterilized Pharmaceutical SOP
Aseptic SOP
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Polymeric Flooring and its effectiveness in controlling airborne particles and microbes.
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Research by Larry Ranta at Microstat laboratories (formerly M-Con laboratories) in California highlighted that Dycem's decontamination mats reduced both viable and non viable airborne particle counts by up to 60%. This will directly lead to higher product quality and product yields.
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Polymeric Flooring to reduce contamination in a cleanroom changing area at the National Blood Service.
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This paper describes a study undertaken in a biopharmaceutical manufacturing facility, within the National Blood Service as part of The National Health Service. The study centred on the reduction of microbial contamination from the footwear of staff and trolley wheels where they access a first-step change area. The study demonstrated that microbial counts into the access corridor significantly reduced, by approximately 80% percent, following the fitting of polymeric flooring.
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Reducing Foot and Wheel Contamination in a Pharmaceutical Setting.
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A major Midwest pharmaceutical company with hundreds of employees was about to open up a substantial expansion to their production areas. Multiple products would be processed in the same facility and regulatory inspectors raised very real concerns about cross contamination possibilities.
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Comparative Study on Two Floor Cover Materials.
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The work described in this study was carried out at the centre for Drug Formulation studies at the University of Bath in the UK, utilising its Class 10,000 cleanroom suite. This paper compares the efficacy in reducing the number of viable and non-viable particles of a polymeric floor cover with that of a Peel-off (tacky) Mat.
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Dycem Antimicrobial Data.
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All Dycem High Performance Contamination Control Zones incorporate Biomaster™ protection. This highly effective antimicrobial has been proven to inhibit the growth of over 50 organisms including Salmonella, E.Coli, Listeria, Campilobactor, Pseudomonas, A.Niger (black spot mould growth), Algae and MRSA.
Efficacy of Biomaster.
Certification of Analysis.
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Industry addresses the Environmental Issue.
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A major semiconductor manufacturer in the US was interested in reducing their disposable waste for both environmental and cost concerns.
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Boehringer Ingelheim - Review of the installation of Dycem Polymeric Flooring.
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This paper by members of Boehringer Microbiology department shows how introducing Dycem reduced cross contaminants by two thirds.
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Particle Shedding from Tacky Mats.
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This paper compares a variety of different Peel off Mats in relation to their effectiveness at retaining particulate during the peeling or ripping process. The conclusion is shattering, literally hundreds of thousands of particles can easily be redistributed back into the air a major concern for the contamination control industry.
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Clean Manufacturing: High Tack Polymeric Flooring.
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This paper highlights the benefits to be gained from using Dycem and discusses how to clean and where to start for optimum performance.
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Stamping out Particles.
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Techpapers of current practice suggest that particulate contamination can reduce product yield by as much as 20%. To remain competitive, continued research must be directed towards the progressive reduction and control of particulate from all potential sources.
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Washable Polymeric Flooring.
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Polymeric Flooring is best suited for large areas where the user is serious about improving Product Yields and reducing costs.
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Polymeric Flooring Demonstrates Particle Retention Properties
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Polymeric flooring represents a small segment of the flooring market. This article examines the particle removal properties of this type of flooring material.
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Microbiological Risk Assessment.
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Risk assessment of microbiological contamination to a pharmaceutical production cleanroom is essential. This article describes a method that utilises risk factors derived from the fundamental mechanism of microbial contamination.
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The Evaluation of the Dycem Screen for removal of microbial contamination from dust laden surfaces, Dr. N.A Hodges B.Pharm. P
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This paper documents a report by Dr. N.A Hodges B.Pharm. Ph.D.M.P.S at the Department of Pharmacy, Brighton Polytechnic. It describes the effectiveness of Dycem Screens in effectively removing microbial contamination from the wheels of a laboratory trolley. In excess of 90% of contamination was removed immediately after installation.
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A review of studies relating to the use of Dycem systems as a means of microbiological contamination control.
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Published in August 1982, the paper presents the results of a lowered bacterial count in a hospital ward after a Dycem mat had been installed and had retained micro-organisms from trolley wheels. Includes a full description of the study conducted, including the relevance of cleaning. Conclusions suggest Dycem consistently reduced bacterial counts on wheels and shoes by 80-90%.
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Bacterial Contamination Control Mats: A Comparative Study, H.M.Meddick.
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H.M. Meddick documents a study undertaken in 1977, published in the Journal of Hygiene, Vol. 79. The paper describes a comparative study between six different types of contamination control mats currently in use at the entrance to theatre suites and clean rooms. Marked differences in their effectiveness were obtained and results suggest Dycem contamination control to be extremely effective in removing bacteria and highly cost efficient.
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The Design and Construction of Flooring in Gowning and Associated Areas.
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A paper presented by Martin Hazlewood of How Air Ltd at the 10th International Symposium of Contamination Control, Zurich. The study examined several methods of contamination control flooring including vinyl flooring, epoxy, polyester and polyurethane flooring, raised perforated flooring, washable tacky flooring and static-dissipative flooring. Conclusive results suggest the use of active flooring was most effective in minimising the entry particulate.
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A step forward in contamination control.
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A paper published by Darlene Cambio, R.N, Operating Room Supervisor, Florida, USA . Cambio describes the use of Dycem Screens at the entrance to operating rooms as more effective than any other mat on the market and makes a comparative study between Sentry Mats and Dycem on cost level.
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A new concept in foot borne contamination.
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A paper by D.P. from the Journal of the Society of Environmental Engineers, the paper compares the four basic methods of controlling foot borne contamination including the use of over shoes, impregnated rugs, brushing footwear and the use of cassettes containing disposable sticky mats. Stanley concludes Dycem to be the most efficient method of contamination control; highly effective in removing the more harmful fine particles of dust.
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Dycem: The Dirt Stopper.
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An article feature from CRP's Materials and Supplies outlining the features and applications of Dycem contamination control mats. Also lists the highlights of use including cost efficiency, visible effectiveness and Dycem as the only effective system for wheeled traffic with illustrations of the simplicity of maintenance.
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An overview of recent research and development in contamination control flooring.
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Presented at 22NS Nordic R3 Symposium, Finland in June 1991 by Catherine Allen, BA Hons, MSEE.
The paper provides a full description of efficiency of Dycem contamination control mats, including an outline of variations in Dycem products and their specific use. Further includes details of testing with use of the Dycem Tack Meter to imitate human footfall. Conclusions note that the lowest recorded efficiency of the Dycem mat is 57% in comparison with 16% for the Peel-off Mat.
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