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Unraveling the occupational exposure to mycotoxins in a waste management settin...

Martins, Carla; Viegas, Carla; Eriksen, Elke; Graff, Pål; Afanou, Anani Komlavi; Straumfors, Anne; Twarużek, Magdalena; Grajewski, Jan; Kosicki, Robert

Introduction: Waste management represents an occupational setting where fungi are significant contaminants. This study aimed to assess the exposure of waste workers to mycotoxins through a human biomonitoring study. Methods: Thirty-three workers and 19 controls provided spot urine samples to determine 10 mycotoxins’ urinary biomarkers using liquid chromatography coupled with mass spectrometry. Risk characteriza...


Boosting knowledge on occupational exposure to microbial contamination in Portu...

Dias, Marta; Gomes, Bianca; Pena, Pedro; Cervantes, Renata; Rodriguez, Margarida; Riesenberger, Bruna; Marques, Liliana; Carolino, Elisabete

Introduction: Wood industry workers face health risks due to exposure to microorganisms and their metabolites. This study aimed to characterize seasonal microbial contamination, antifungal resistance, mycotoxins, cytotoxicity, and particulate matter in Portuguese carpentries, to reduce exposure and promote safe working conditions. Methods: Conducted in six carpentries in Lisbon, Portugal, the sampling strategy ...


Hidden hazards: a literature review on occupational exposure to fungi and mycot...

Oliveira, Filipe da Silva; Andrade, Ednilton Tavares de; Viegas, Carla; Souza, Jéssica Raquel; Rabelo, Giovanni Francisco; Viegas, Susana

Several studies have reported the incidence of fungi and mycotoxins in coffee beans; however, there are few reports related to occupational exposure to these agents at coffee dry milling industries. This review aimed to identify and analyze studies assessing occupational exposure to fungi and mycotoxins in coffee industries. Therefore, a systematic literature search was conducted using the Preferred Reporting I...


HBM4EU chromates study: the Portuguese integrated and harmonized study on expos...

Viegas, Susana; Martins, Carla; Ribeiro, Edna; Ladeira, Carina; Pinhal, Hermínia; Nogueira, Ana; Santos, Sílvia; Tavares, Ana; Gomes, Bruno Costa

In the scope of the European Union (EU) human biomonitoring initiative, a multicentric study on different occupational settings from several European countries was performed, to provide information on occupational exposure to hexavalent chromium [Cr(VI)], a known lung carcinogen. Biomonitoring approaches were used to obtain exposure data to support the implementation of new risk management measures and policy a...


Fungal and mycotoxins contamination in non-alcoholic beverages: the case of tea...

Viegas, Carla; Gomes, Bianca; Cervantes, Renata; Dias, Marta; Pena, Pedro; Oliveira, Filipe; Andrade, Ednilton Tavares de; Caetano, Liliana Aranha

Agriculture constitutes one of the most sensitive sectors that could be affected by climate change. Among the xenobiotics contaminating agricultural crops, fungi and mycotoxins are the most challenging since their presence represents an economic burden due to crop loss and serious health effects related to animals and humans with severe repercussions. This study intends to characterize the fungal and mycotoxin ...


Assessment of waste workers occupational risk to microbial agents and cytotoxic...

Marchand, Genevieve; Wingert, Loïc; Viegas, Carla; Aranha Caetano, Liliana; Viegas, Susana; Twaruzek, Magdalena; Lacombe, Nancy; Lanoie, Delphine

Workers in the waste-processing industry are potentially exposed to high concentrations of biological contaminants, leading to respiratory and digestive problems and skin irritations. However, few data on the exposure of waste collection truck (WCT) drivers are available. The goal was to document the microbial risk of the waste collection truck (WCT) workers while in the vehicle cab. Long-period sampling using ...


Coffee production: an occupational setting where exposure to mycotoxins need to...

Viegas, Susana; Twaruzek, Magdalena; Kosicki, Robert; Oliveira, Filipe; Andrade, Enilton Tavares de; Viegas, Carla

Coffee production involves different processes until being available as a beverage involving several workers worldwide. Mycotoxin exposure may occur in this occupational setting since coffee beans are frequently contaminated with these fungal secondary metabolites due the crop infection by toxigenic fungi that commonly infect the plant during the various production stages. A study was developed in two milling i...


One Health approach in “Do It Yourself” stores to tackle fungal contamination

Dias, Marta; Gomes, Bianca; Pena, Pedro; Cervantes, Renata; Viegas, Susana; Viegas, Carla

Wood dust contamination by fungi poses health risks due to exposure by inhalation. This study aimed to assess the exposure of woodworking employees and customers to fungal load in 13 “Do It Yourself” (DIY) stores in the Lisbon metropolitan area (Portugal). An active sampling method (MAS-100 air sampler) was applied in different store areas, collecting 200L at a flow rate of 140 L/min. Regarding the occupational...


Microbial assessment in a rare Norwegian book collection: a One Health approach...

Sequeira, Sílvia O.; Pasnak, Ekaterina; Viegas, Carla; Gomes, Bianca; Dias, Marta; Cervantes, Renata; Pena, Pedro; Twarużek, Magdalena; Kosicki, Robert

Microbial contamination poses a threat to both the preservation of library and archival collections and the health of staff and users. This study investigated the microbial communities and potential health risks associated with the UNESCO-classified Norwegian Sea Trade Archive (NST Archive) collection exhibiting visible microbial colonization and staff health concerns. Dust samples from book surfaces and the st...


Greening the plate: mycotoxin risks in sustainable food systems transition

Assunção, Ricardo; Viegas, Susana; Viegas, Carla; Martins, Carla

The world population has changed dramatically over the last few centuries: an increasing number of people living on our planet; the world population today is around 2,000 times the size of what it was 12,000 ago when it was around 4 million — less than half of the current population of London. Pressure food systems exert on the environment has amplified over time: growth of the human population; changes in food...


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