Results 11 to 20 of about 75,640 (234)

Suspect screening of maternal serum to identify new environmental chemical biomonitoring targets using liquid chromatography-quadrupole time-of-flight mass spectrometry. [PDF]

open access: yes, 2017
The use and advantages of high-resolution mass spectrometry (MS) as a discovery tool for environmental chemical monitoring has been demonstrated for environmental samples but not for biological samples.
Friesen, Matthew M   +5 more
core   +1 more source

Effects of Artemisia dracunculus L. Water Extracts on Selected Pests and Aphid Predator Coccinella septempunctata L.

open access: yesAgronomy, 2022
The aim of this study was to determine the effects of water extracts of tarragon (Artemisia dracunculus L.) on the feeding intensity, mortality, and weight gain of selected pests, i.e., adult pea leaf weevils (Sitona lineatus L.), nymphs, wingless ...
Janina Gospodarek   +3 more
doaj   +1 more source

The micronucleus assay as a biological dosimeter of in vivo ionising radiation exposure [PDF]

open access: yes, 2010
Biological dosimetry, based on the analysis of micronuclei (MN) in the cytokinesis-block micronucleus (CBMN) assay can be used as an alternative method for scoring dicentric chromosomes in the field of radiation protection.
Fenech, Michel   +2 more
core   +2 more sources

DDTs, PCBs and PBDEs contamination in Africa, Latin America and South-southeast Asia—a review

open access: yesAIMS Environmental Science, 2015
Levels of polybrominated biphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), and dichlorodiphenyltrichloroethane and its degradation products (DDTs) in the environment (ambient air, soil and aquatic mammals) and in humans from the developing ...
Peter Mochungong, Jiping Zhu
doaj   +1 more source

Biodiversity of nematode assemblages from the region of the Clarion-Clipperton Fracture Zone, an area of commercial mining interest [PDF]

open access: yes, 2003
BACKGROUND: The possibility for commercial mining of deep-sea manganese nodules is currently under exploration in the abyssal Clarion-Clipperton Fracture Zone.
Brown, C.J.   +5 more
core   +2 more sources

Optimal analysis conditions for sperm motility parameters with a CASA system in a passerine bird, Passer montanus

open access: yesAvian Research, 2019
Background Sperm motility parameters, which can be measured objectively and repeatedly by a computer-assisted sperm analysis (CASA) system, are important indicators of sperm quality. However, the sperm motility parameters assessed by a CASA system can be
Ying Yang   +6 more
doaj   +1 more source

Fluorescence-Based Rapid Detection of Microbiological Contaminants in Water Samples

open access: yesThe Scientific World Journal, 2012
Microbiological contamination of process waters is a current issue for pharmaceutical industries. Traditional methods require several days to obtain results; therefore, rapid microbiological methods are widely requested to shorten time-to-result ...
Hervé Meder   +8 more
doaj   +1 more source

Thermal reaction products and formation pathways of two monoterpenes under in situ thermal desorption conditions that mimic vaping coil temperatures

open access: yesScientific Reports, 2023
Vaping has become more popular and different brands and types of vaping devices have rapidly emerged. However, little is known about the potential health risks of human inhalation exposures to the volatile chemicals in the vapour, which includes both ...
Jianjun Niu, Jiping Zhu
doaj   +1 more source

Concentrations of Persistent Organic Pollutants in Women’s Serum in the European Arctic Russia

open access: yesToxics, 2021
Persistent organic pollutants (POPs) are heterogeneous carbon-based compounds that can seriously affect human health. The aim of this study was to measure serum concentrations of POPs in women residing in the Euro-Arctic Region of Russia.
Yulia Varakina   +11 more
doaj   +1 more source

Comparative algological and bacteriological examinations on biofilms developed on different substrata in a shallow soda lake [PDF]

open access: yes, 2008
According to the European Water Framework Directives, benthic diatoms of lakes are a tool for ecological status assessment. In this study, we followed an integrative sample analysis approach, in order to find an appropriate substratum for the water ...
A Cattaneo   +36 more
core   +1 more source

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