Zobrazeno 1 - 10
of 327
pro vyhledávání: '"Olaf, Malm"'
Autor:
Elcia Margareth Souza Brito, Pedro Antonio Zarate-Santoyo, César Augusto Caretta, Adan Santos Lino, Júlio César Valerdi-Negreros, João Paulo Machado Torres, Olaf Malm
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 16, Iss 3 (2024)
Guanajuato town is an important touristic center of Mexico, and one of its main attractions is its tunnel network (subterranean streets). In this work the air quality inside this tunnel network was evaluated using samples of Tillandsia usneoides as a
Externí odkaz:
https://doaj.org/article/797c1f4a618b4e39950bf5c04caa0b2d
Autor:
Moema Rachel Ribeiro de Vasconcelos, Brendson Carlos Brito, Bruce Rider Forsberg, Ynglea Georgina de Freitas Goch, Olaf Malm, Sergio Melo, Daniele Kasper
Publikováno v:
Journal of Trace Elements and Minerals, Vol 2, Iss , Pp 100014- (2022)
Background: Upland forest streams of the Central Amazon are unique aquatic systems.These small streams have short, unpredictable and multimodal flood-pulses that are influenced by local rainfall. The biogeochemical cycles in these systems are almost
Externí odkaz:
https://doaj.org/article/f70a2980626e41db86240f5a5531f96e
Autor:
Marcelly Castello Branco LOPES, Gabriel Oliveira de CARVALHO, Robson Roney BERNARDO, Joana MACEDO, Adan Santos LINO, Emiliano Esterci RAMALHO, Daniele KASPER, Rodrigo Ornellas MEIRE, João Paulo Machado TORRES, Olaf MALM
Publikováno v:
Acta Amazonica, Vol 50, Iss 2, Pp 142-148 (2020)
ABSTRACT This is the first study to investigate mercury (Hg) contamination in felid species in the Brazilian Amazon. We collected 26 fur samples from wild felids of four species (Puma concolor, Panthera onca, Leopardus pardalis and Leopardus wiedii)
Externí odkaz:
https://doaj.org/article/f58894e66d4a40f298e059f7d570ef9c
Autor:
Cláudio Ernesto Taveira Parente, Elcia Margareth Souza Brito, Antonio Azeredo, Rodrigo Ornellas Meire, Olaf Malm
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 11, Iss 1, Pp 42-52 (2019)
Fluoroquinolones (FQs) are antibiotics widely used in human and veterinary medicine. The main sources of FQ contamination in agricultural soils result from the irrigation of fields with wastewater and the use of waste sludge and animal manure as fert
Externí odkaz:
https://doaj.org/article/4c6132fef3584ac7bcf8864c61ad7782
Autor:
Cláudio ET. Parente, Evelyn Oliveira da Silva, Sidney Fernandes Sales Júnior, Rachel Ann Hauser-Davis, Olaf Malm, Fábio Veríssimo Correia, Enrico Mendes Saggioro
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 207, Iss , Pp 111305- (2021)
Poultry litter is one of the main sources of fluoroquinolones (FQs) in agricultural soils. In this study, our main goal was to investigate FQ-contaminated poultry litter effects on Eisenia andrei earthworms. To achieve this, acute and chronic tests c
Externí odkaz:
https://doaj.org/article/0d98f1ae19be480b84390a5b3ec8f6cc
Autor:
Marília Higino Mussy, Ronaldo de Almeida, Dario Pires de Carvalho, Leidiane Caroline Lauthartte, Igor Bruno Barbosa de Holanda, Marcelo Gomes de Almeida, Izidro Ferreira de Sousa-Filho, Carlos Eduardo de Rezende, Olaf Malm, Wanderley Rodrigues Bastos
Publikováno v:
Environmental Science and Pollution Research. 30:33543-33554
The isotopic signatures of carbon in primary consumer fish species in the Madeira River basin (Western Amazon) follow a pattern, with basal species feeding mainly on C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b806d03155547d455cf169c1dd417d1
https://doi.org/10.1007/s11356-022-24235-7
https://doi.org/10.1007/s11356-022-24235-7
Autor:
Yago Souza Guida, Adan Santos Lino, Raquel Capella Gaspar Nepomuceno, Rodrigo Ornellas Meire, João Paulo Machado Torres, Olaf Malm
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 10, Iss 4, Pp 320-326 (2018)
The worldwide massive use of organochlorine pesticides (OCPs) and mercury (Hg) is taken as an environmental threat due to their high toxicity, potential for long-range transport, bioaccumulation and persistence. Both, OCPs and Hg, were widely used in
Externí odkaz:
https://doaj.org/article/0e388b5844b243fd9a04d7dc8ca21cbe
Autor:
Cláudio Ernesto Taveira Parente, Claudio Eduardo Azevedo-Silva, Rodrigo Ornellas Meire, Olaf Malm
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 10, Iss 4, Pp 337-345 (2018)
Pyrethroids are chiral insecticides characterized by stereoisomerism, which occurs due to the presence of one to three asymmetric (chiral) carbons, generating one or two pairs of cis/trans diastereomers, and two or four pairs of enantiomers. Diastere
Externí odkaz:
https://doaj.org/article/4f8409ef4cf54a49a3ec1f597e037a8e
Autor:
Dhoone Menezes Sousa, Daniele Kasper, Eliane Aparecida Holanda Cavalcanti, João Paulo Machado Torres, Sergio Luiz Costa Bonecker, Olaf Malm
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 10, Iss 4, Pp 346-354 (2018)
Studies have evaluated the dynamics of pollutants at the base of the food chain to understand the contamination in the high levels of the trophic food webs (as fishes and humans). The base of the food chain, especially for those pollutants that bioma
Externí odkaz:
https://doaj.org/article/680dd14a9bbb4b70b4805186bc6e832a
Autor:
Gabriel Oliveira de Carvalho, André de Almeida Pinheiro, Dhoone Menezes de Sousa, Janeide de Assis Padilha, Juliana Silva Souza, Petrus Magnus Galvão, Thaís de Castro Paiva, Aline Soares Freire, Ricardo Erthal Santelli, Olaf Malm, João Paulo Machado Torres
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 10, Iss 4, Pp 299-307 (2018)
Considered the worst environmental disaster in Brazilian history, the collapse of Samarco dam directly affected the Doce river. Inhabitants living along the river who relied mainly on Doce river's water supply for agriculture and human consumption fa
Externí odkaz:
https://doaj.org/article/62a795bdc6fa446396a4f30041c3fae1