The aim of this study was to obtain knowledge about concentrations Staphylococcus aureus, MRSA (methicillin-resistant S. aureus), and other species in indoor air Greater Copenhagen factors affecting the concentrations. effects season, temperature, relative humidity, change rate (ACR), bacterial genera, area per occupant, presence aureus-positive occupants were studied. In samples from 67 living rooms, hominis, warneri, epidermidis, capitis found 13-25%; saprophyticus, cohnii, pasteuri 5-10%;...

Bioaerosol exposure is associated with health problems. The aim of this study to evaluate whether it possible assess the risks posed by waste collection workers' through identification and characterization bacterial fungal species, which workers are exposed. Using MALDI-TOF MS, microorganisms in air, hand, contact steering wheel were identified. Fungi found high concentrations from characterized for total inflammatory potential (TIP), cytotoxicity, biofilm-forming capacity. In total, 180...

Selection of sampling device, location and period are important first steps in the measurement exposure to bioaerosols indoor air. The following include treatment samples laboratory analysis. In this study, settling bacteria, endotoxin, fungi serine protease have been measured Danish homes using Electrostatic Dust Fall Collectors (EDCs). effects presence occupants, on open surfaces versus bookcases studied. Concentrations bacteria endotoxin were significantly higher when occupants at home...

Work in wastewater treatment plants (WWTPs) can be associated with respiratory symptoms and diarrhea. The aim of this study was to obtain knowledge about WWTP workers' exposure airborne bacteria endotoxin, the inflammatory potential (TIP) their exposure, evaluate risk posed by 1) calculating a hazard index relating suggested occupational limits (OELs), 2) estimating deposition airways, 3) it group classification European Union, 4) TIP personal exposure. A cohort 14 workers were followed over...

Exposure to metals and microorganisms can pose health risks. Historical books often contain pigments with metals, fungi. The aim of this study is obtain knowledge about exposure eight in a library Denmark. Personal staff handling historical (high-exposure group) indoor outdoor air samples were collected three well-ventilated sites library. Urine the next morning from high-exposure group, low-exposure group (colleagues not books), reference group. Eight measured urine using inductively...

Member states of the European Union have to maximize recycling. The current, Danish cardboard recycling system can be improved by increasing kinds products that recycled include e.g. used beverage cartons and pizza boxes (i.e. an expanded fraction (ECF)). This study aims obtain knowledge about exposure airborne endotoxin microorganisms at species level different collection frequencies ECF, whether increase in waste sorted fractions means each is collected less frequently. Bacterial...

Work clothes may act as a vector for the transport of microorganisms leading to second-hand exposure; however, this has not been studied in work environments. We investigated whether accumulate on workers' environments with elevated microbial exposures, and they are transported subsequently resuspended air. To study this, we selected waste collection workers potential bacteria fungi truck cabs via clothes, compared communities within cabs, personal exposure, clean T-shirts worn by workers....

Biowaste pretreatment plants have been built within the last years in Denmark order to recycle pre-sorted biowaste from houses, restaurants, and industry. We investigated association between exposure health at six (visited twice) across Denmark. measured personal bioaerosol exposure, took blood samples, administered a questionnaire. Thirty-one persons participated, 17 of them twice, resulting 45 40 questionnaire answers 21 persons. bacteria, fungi, dust, endotoxin, total inflammatory...

Work in wastewater treatment plants (WWTPs) can be associated with exposure to airborne microorganisms and endotoxin from the working environment. The aim of this study was obtain knowledge about whether serum levels markers systemic inflammation, C-reactive protein (CRP) amyloid A (SAA), are personal endotoxin, measured using Limulus (endotoxinLimulus) rFC (endotoxinrFC) assays, as well bacteria fungi a cohort WWTP workers. Exposure blood samples were collected for 11 workers over one year....

The aim of this study is to obtain knowledge about which cultivable bacterial species are present in indoor air homes, and whether the concentration diversity airborne bacteria associated with different factors. Measurements have been performed for one whole year inside rooms five homes once 52 homes. Within a room-to-room variation concentrations was found, but an overlap found across rooms. Eleven were very commonly included: Acinetobacter lowffii, Bacillus megaterium, B. pumilus, Kocuria...

Waste collection is associated with various health symptoms. The aims of this study were to obtain knowledge about exposure bacteria, fungi, and endotoxin during waste collection, whether it possible reduce the exposures total inflammatory potential (TIP) those through simple interventions. was performed an initial baseline assessment, a second assessment intervention workers only, third reference workers. exposed 7.8 × 103 cfu bacteria/m3, 1.4 104 fungi/m3, 92 units/m3 (geometric mean...

Occupational exposure to microorganisms can be associated with adverse health outcomes. In this study, we assessed bioaerosols in two biowaste pretreatment plants Denmark, which differed location (city or countryside) and how they were built ('closed-off processes' 'open processes'). Bioaerosol exposures characterized by microbial concentrations personal, stationary, sedimented dust, hand samples, their size distribution was assessed. Furthermore, species identified matrix-assisted laser...

Abstract Introduction Recycling of domestic waste and a number employees in the recycling industry is expected to increase. This study aims quantify current exposure levels inhalable dust, endotoxin, microorganisms identify determinants among workers. Methods cross-sectional included 170 full-shift measurements from 88 production workers 14 administrative 12 companies Denmark. The recycle (sorting, shredding, extracting materials waste). We collected dust with personal samplers that were...

This study aims to investigate the microbiological working environment of biowaste workers, focusing on airborne fungal and bacterial species exposure, size distribution, workers' hands. The research, conducted across six plants with 45 personal exposure assessments, revealed a total 150 47 hands, including 19 9 classified in risk class 2 (RC2), respectively. Workers' analysis identified 172 32 species, several RC2. In work areas, 55 anaerobic belonging RC2 were found. Different compositions...

We investigated associations between bioaerosol exposures and work-shift changes in lung function inflammatory markers among recycling workers.

Indoor handling of large amounts plant materials occurs in different occupational settings including greenhouses and causes exposure to bioaerosols. The bioaerosol components fungi, β-glucan, bacteria endotoxin are involved airway symptoms health effects can be dose-dependent. Therefore, there is a persistent need reduce exposure. aims this study were identify tasks causing evaluate preventive measures aimed at reducing greenhouse workers bioaerosols, factors affecting the We have focused on...

Abstract This cross-sectional study aims to obtain knowledge about workers’ exposure airborne dust, bacterial and fungal species, endotoxin, biofilm formation, hydrogen sulfide (H2S) in drilling waste treatment plants. In total, 408 full-shift personal samples, 66 work areas, 40 waste, reference (outdoor air seawater) samples were analyzed. Some workers exposed high levels of endotoxin (207 EU/m3), bacteria (3.8 × 104 colony forming units (CFU)/m3 9.8 DNA copies/m3), or fungi (1.4 107 CFU/m3...

The nose and mouth are the first regions of respiratory tract in contact with airborne microorganisms. Occupational exposures to microorganisms associated inflammation different symptoms airways. purpose this study is investigate relation between occupational exposure fungi, β-glucan, bacteria contents nasal lavage (NAL) greenhouse workers. We also studied whether NAL were related gender, time work week, runny nose. samples (n = 135) taken Monday morning Thursday at noon personal inhalable...

To obtain knowledge about (i) how to sample airborne methicillin-resistant Staphylococcus aureus (MRSA) and dust in the pig farm environment including effects of sampler on (a) measured exposure, (b) MRSA survival (c) spatial temporal variation (ii) association between exposure MRSA, optical density OD.Airborne was sampled five farms using active one passive samplers. (as a subset S. aureus) were quantified selective agar media matrix-assisted laser desorption/ionization time-of-flight mass...

Electrostatic dust cloths have previously been used to study microorganisms in settled by placing the horizontally on surfaces (called Dust Collectors, EDC). In this study, we investigate whether same cloths, henceforth called 'E-Cloths', can be accumulation of and endotoxin workers' clothes. This was studied as current methods limitations. It examined for waste collection workers, their work environment is associated with elevated exposure endotoxin. Each worker received a kit T-shirt an...

Abstract Indoor microbial exposure may cause negative health effects. Only little is known about the occupational in nursing homes and factors that influence exposure. The be increased due to close contact with elderly persons who carry infectious or antimicrobial-resistant microorganisms handling of laundry, such as used clothing bed linen. We investigated 5 Denmark, by use personal bioaerosol samples from different groups staff members taken during a typical working day, stationary...