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    Wyświetlanie 1-7 z 7
    Tytuł:
    Toxicity of Medical Glove Materials: A Pilot Study
    Autorzy:
    Lonnroth, E. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/90537.pdf
    Data publikacji:
    2005
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    toxicity
    natural rubber latex
    synthetic rubbers
    synthetic polymeric materials
    toksyczność skórna
    toksykologia
    lateks
    rękawice izolujące
    materiały izolacyjne
    Opis:
    Cytotoxicity of 14 glove materials representing 4 natural rubber latex, 6 synthetic rubber and 4 synthetic polymeric materials was evaluated using dimethylthiazol diphenyltetrazolium (MTT), agar overlay and filter diffusion tests. Cell responses after contact with extracts of glove materials and contact with glove materials were assessed. One synthetic rubber glove (nitrile rubber) and 2 synthetic polymeric gloves (polyvinyl chloride) were non-toxic in all 3 tests, while 5 synthetic rubbers exhibited varying degrees of cytotoxicity, depending on the test. A severe cytotoxic response to both extracts of natural rubber latex materials and contact with natural rubber latex was verified in the 3 tests, indicating a need for consideration when selecting gloves, or other products, used in close skin contact.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2005, 11, 2; 131-139
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Correlation Between Symptoms, Frequent Use of Dental Polymers, and Evaluation of Health Risk
    Autorzy:
    Lonnroth, E. C.
    Shahnavaz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/90749.pdf
    Data publikacji:
    1998
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    dental personnel
    correlation analysis
    self-reported symptoms
    dental polymer use
    health risk evaluation
    personel dentystyczny
    analiza korelacji
    ryzyko zdrowotne
    Opis:
    Dental personnel are at risk as they manually handle polymer products containing monomers and additives that cause irritation and induce allergy. Gloves and face masks can be easily penetrated by monomers. A total of 587 dental personnel and a referent group (585) in the 2 most northern regions of Sweden were included in a questionnaire study (response rate 76%). Questions were asked regarding symptoms of atopy, asthma, conjunctivitis, atopic dermatitis, hand dermatitis, and hay fever/rhinitis. The dental personnel were asked to give the name of polymer products used in their practice and the frequency of use. They were also asked to risk evaluate 5 different types of polymer materials on a scale from 1 to 5. Analysis was done to find if the occurrence of a symptom was associated with a high risk evaluation of a polymer material, or with frequent use of a certain polymer product. Significantly more dentists reported symptoms of atopic dermatitis and conjunctivitis compared to referents and chair assistants. Results show that dental personnel with symptoms risk evaluated most materials significantly higher than dental personnel without symptoms. Further, the occurrence of some symptoms was associated with frequent use of 8 polymer products.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 1998, 4, 4; 411-421
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Users’ Demands Regarding Dental Safety Glasses. Combining a Quantitative Approach and Grounded Theory for the Data Analysis
    Autorzy:
    Lonnroth, E. C.
    Shahnavaz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/91224.pdf
    Data publikacji:
    2001
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    dental safety glasses
    user's demands
    qualitative and quantitative methods
    usługi stomatologiczne
    środki ochrony indywidualnej
    okulary ochronne
    okulary filtracyjne
    choroby oczu i przydatków
    personel służby zdrowia
    Opis:
    Eye infections are common among dentists and many are concerned, but few are using proper eye protection. To understand users’ demands behind the low use of safety glasses, all dental teams in Sweden were asked which factors they found most important when choosing dental safety glasses, and rate the importance of 31 statements regarding ergonomic aspects of dental safety glasses in a questionnaire. Data were analysed using the Grounded Theory and a quantitative approach. Results showed that dentists ranked the visual aspects as most important and chair assistants the protective aspects. The highly visual demanding work performed by dentists requires safety glasses that are not yet available on the market, which might explain the low use.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2001, 7, 1; 49-59
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Permeability of Medical Gloves to Mono- and Dimethacrylate Monomers in Dental Restorative Materials
    Autorzy:
    Lonnroth, E. C.
    Ruyter, I. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/90066.pdf
    Data publikacji:
    2002
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    protection
    methacrylates
    composites
    resins
    adhesives
    metakrylany
    materiały na środki ochrony indywidualnej
    usługi stomatologiczne
    rękawice ochronne
    medycyna pracy
    materiały dentystyczne
    Opis:
    Dental personnel manually handle methacrylate-based restorative materials, which can cause skin irritation and allergies. The protection given by different types of medical gloves is not well known. Breakthrough time (BTT, min) was used as a measure of protection according to a European standard, using 2 test mixtures consisting of respectively 3 and 5 monomers. Fourteen gloves representing natural rubber latex, synthetic rubber, and synthetic polymeric material were tested. The BTT ranged from some minutes to more than 2 hrs for the 4 monomers with a molecular mass less than 300. The longest protection was recorded for Nitra Touch (nitrile rubber), Tactylon (synthetic rubber), and Metin (PVC).
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2002, 8, 4; 497-509
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Resistance of Medical Gloves to Permeation by Methyl Methacrylate (MMA), Ethylene Glocol Dimethacrylate (EGDMA), and 1,4-Butanediol Dimethacrylate (1,4-BDMA)
    Autorzy:
    Lonnroth, E. C.
    Ruyter, I. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/90479.pdf
    Data publikacji:
    2003
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    permeation rate
    degradation
    breakthrough time
    bone cement
    adhesives
    prosthetic materials
    substancje niebezpieczne
    rękawice ochronne
    ochrona skóry
    Opis:
    Gloves afford hand protection by minimizing skin contact. The effectiveness of medical gloves to protect against permeation of the monomers, methyl methacrylate (MMA), ethylene glycol dimethacrylate (EGDMA), and 1,4-butanediol dimethacrylate (1,4-BDMA), was assessed focusing on permeation rates and degradation of glove materials caused by monomer contact. Fifteen different brands of gloves were tested using a European Standard procedure. Surface images of glove materials before and after exposure to the monomer mixture were obtained using a scanning electron microscope. The standard is not applicable as the only method for estimating the safety of gloves, but it is useful as guideline together with the cumulative permeation of acrylic monomers. Monomer contact on the outside resulted in substantial swelling of most glove materials, and structure changes of the inside surface.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2003, 9, 3; 289-299
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Participatory Ergonomics Intervention in an Industrially Developing Country—A Case Study
    Autorzy:
    Helali, F.
    Lonnroth, E. C.
    Shahnavaz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/90154.pdf
    Data publikacji:
    2008
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    ergonomics tools
    intervention
    participatory ergonomics
    industrially developing countries
    Opis:
    In industrially developing countries, a few ergonomists have directed great efforts towards developing ergonomics awareness among managers and workers in organizations. There is little research on the degree of their success, though. Furthermore, access of organizations to ergonomics knowledge is usually very difficult, especially in industrially developing countries. Thus, building ergonomics awareness is certainly the first phase of the process. Three companies from one industry (44 people: 14 females and 30 males) participated in a project aimed at improving their work system. At the beginning, we needed to create a common goal and ensure participation with appropriate ergonomics tools. The findings of this study were the key issue for the ergonomics intervention (i.e., a shared vision, awakened need of change and learning). Further, to build ergonomics awareness and develop a continuous learning process in the company, it was necessary to use more ergonomics tools through workers’ participation in different workplaces.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2008, 14, 2; 159-176
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluating the Potential Occupational Hazard of Handling Dental Polymer Products Using the HET-CAM Technique
    Autorzy:
    Lonnroth, E. C.
    Dahl, J. E.
    Shahnavaz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/90129.pdf
    Data publikacji:
    1999
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    HET-CAM test
    irritation score
    dental polymers
    occupational hazard
    dental personnel
    personel dentystyczny
    ryzyko zawodowe
    personel medyczny
    Opis:
    The irritation potencies of 8 dental polymer products, used as dental restorative materials, adhesives, or temporary constructions, were tested using the HET-CAM (hen's egg test-chorioallantoic membrane) technique. Liquid and powder components, and extracts of cured and freshly mixed non-cured materials of 5 glass ionomers, 1 bonding, 1 composite, and 1 cold-cured acrylate were examined. Results showed that the liquid component of all products had a strong irritation capacity but powder suspensions and extracts from cured and freshly mixed non-cured materials had no effect on the CAM. Thus, dental personnel who handle liquid and powder manually are exposed to components with a high irritation potential, in contrast to patients who are exposed to the cured and mixed non-cured materials with low irritation potential. This illustrates the importance of safe handling procedures and practices for dental personnel who handle non-cured polymers manually.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 1999, 5, 1; 43-57
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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