Skip header and navigation

Refine By

4009 records – page 1 of 401.

[1,5 ppm fluoride in natural drinking water. Impressions of a journey to Vordingborg, Denmark]

https://arctichealth.org/en/permalink/ahliterature43787
Source
Zahnarztl Mitt. 1971 Nov 2;61(21):1070
Publication Type
Article
Date
Nov-2-1971
Author
Bremer
Source
Zahnarztl Mitt. 1971 Nov 2;61(21):1070
Date
Nov-2-1971
Language
German
Publication Type
Article
Keywords
Adolescent
Child
Child, Preschool
Denmark
Dental Caries - epidemiology
Fluorides
Humans
Water supply
PubMed ID
5286845 View in PubMed
Less detail

A 1-Year Quantitative Survey of Noro-, Adeno-, Human Boca-, and Hepatitis E Viruses in Raw and Secondarily Treated Sewage from Two Plants in Norway.

https://arctichealth.org/en/permalink/ahliterature272273
Source
Food Environ Virol. 2015 Sep;7(3):213-23
Publication Type
Article
Date
Sep-2015
Author
M. Myrmel
H. Lange
E. Rimstad
Source
Food Environ Virol. 2015 Sep;7(3):213-23
Date
Sep-2015
Language
English
Publication Type
Article
Keywords
Adenoviridae - classification - genetics - isolation & purification
Environmental monitoring
Genotype
Hepatitis E virus - classification - genetics - isolation & purification
Human bocavirus - classification - genetics - isolation & purification
Humans
Molecular Sequence Data
Norovirus - classification - genetics - isolation & purification
Norway
Phylogeny
Seasons
Sewage - virology
Water Pollution
Water Purification - instrumentation
Abstract
A study of enteric viruses in raw and treated sewage from two secondary treatment plants, which received sewage from Oslo city (plant A) and small municipalities in Hedmark county in Norway (plant B), showed high levels of noro-, adeno-, and bocavirus throughout the year. A seasonal variation was observed for adeno- and GII norovirus with higher levels during winter and bocavirus that had more positive samples during winter. The virus concentrations in raw sewage were comparable in the two plants, with medians (log10 genome copies per liter) of 6.1, 6.3, 6.0, and 4.5 for noro GI, noro GII, adeno-, and bocavirus, respectively. The level of hepatitis E virus was not determined as it was below the limit of quantification. The mean log10 virus reduction was 0.55 (plant A) and 1.44 (plant B) with the highest reduction found in the plant with longer hydraulic retention time. The adenoviruses were dominantly serotype 41, while serotype 12 appeared sporadically. Of the 102 raw and treated sewage samples that were tested, eight were positive for hepatitis E virus of which four were from treated sewage. Two of the four obtained gene sequences from hepatitis E virus originated from the rural sewage samples and showed high similarity with a genotype 3 strain of hepatitis E virus detected in local piglets. Two other hepatitis E virus sequences obtained from urban sewage samples showed high similarities with genotype 3 strains isolated from urban sewage in Spain and a human genotype 1 isolate from India. The study gives information on the levels of noroviruses in raw and treated sewage, which is valuable to risk assessment, information indicating that some infections with hepatitis E viruses in Norway have a regional origin and that human bocavirus 2 and 3 are prevalent in the Norwegian population.
PubMed ID
26003323 View in PubMed
Less detail

A 7-day activity diary for assessment of daily energy expenditure validated by the doubly labelled water method in adolescents.

https://arctichealth.org/en/permalink/ahliterature52682
Source
Eur J Clin Nutr. 1997 Sep;51(9):585-91
Publication Type
Article
Date
Sep-1997
Author
L E Bratteby
B. Sandhagen
H. Fan
G. Samuelson
Author Affiliation
Department of Clinical Physiology, University Hospital, Uppsala, Sweden.
Source
Eur J Clin Nutr. 1997 Sep;51(9):585-91
Date
Sep-1997
Language
English
Publication Type
Article
Keywords
Activities of Daily Living
Adolescent
Basal Metabolism
Calorimetry, Indirect
Comparative Study
Deuterium - diagnostic use
Energy Metabolism
Exertion
Female
Humans
Male
Oxygen Isotopes
Research Support, Non-U.S. Gov't
Sensitivity and specificity
Sweden
Water
Abstract
OBJECTIVES: To validate the use of an activity diary and predicted BMR for assessment of daily total energy expenditure (TEE) and physical activity level (PAL = TEE/BMR) in adolescents. DESIGN: TEE and PAL estimated from activity diary records kept for seven days and BMR predicted from age, gender and body weight were compared with the results of doubly labelled water (DLW) measurements and indirect calorimetry performed during the same time period. SETTING: The Unit of paediatric Physiology of the Department of Clinical Physiology, University Hospital, Uppsala, Sweden. SUBJECTS: Fifty randomly selected 15 y old adolescents (25 boys and 25 girls). RESULTS: The mean difference between TEE estimated in all adolescents by the activity diary and by DLW methods was 1.2%. The limits of agreement (mean difference 2 s.d.) were -3.47 and 3.77 MD/d, equivalent to a coefficient of variation of 15%. The mean difference between PAL assessed by activity diary records and by DLW measurements was 0.001, and the limits of agreement between the two methods were 0.54. CONCLUSIONS: The results imply that the activity diary method provides a close estimate of TEE and PAL in population groups.
PubMed ID
9306084 View in PubMed
Less detail

[10 years experience in the complex treatment of middle-aged and elderly persons at Sochi health resort].

https://arctichealth.org/en/permalink/ahliterature254014
Source
Vopr Kurortol Fizioter Lech Fiz Kult. 1974;(1):26-9
Publication Type
Article
Date
1974

30 years of data reveal dramatic increase in abundance of brown trout following the removal of a small hydrodam.

https://arctichealth.org/en/permalink/ahliterature292608
Source
J Environ Manage. 2017 Dec 15; 204(Pt 1):467-471
Publication Type
Journal Article
Date
Dec-15-2017
Author
Kim Birnie-Gauvin
Martin H Larsen
Jan Nielsen
Kim Aarestrup
Author Affiliation
DTU Aqua, Section for Freshwater Fisheries and Ecology, Vejlsøvej 39, 8600 Silkeborg, Denmark. Electronic address: kbir@aqua.dtu.dk.
Source
J Environ Manage. 2017 Dec 15; 204(Pt 1):467-471
Date
Dec-15-2017
Language
English
Publication Type
Journal Article
Keywords
Animals
Conservation of Natural Resources - methods
Denmark
Ecosystem
Rivers
Trout
Water Movements
Abstract
Humans and freshwater ecosystems have a long history of cohabitation. Today, nearly all major rivers of the world have an in-stream structure which changes water flow, substrate composition, vegetation, and fish assemblage composition. The realization of these effects and their subsequent impacts on population sustainability and conservation has led to a collective effort aimed to find ways to mitigate these impacts. Barrier removal has recently received greater interest as a potential solution to restore river connectivity, and reestablish high quality habitats, suitable for feeding, refuge and spawning of fish. In the present study, we present thirty years of data from electrofishing surveys obtained at two sites, both prior to and following the removal of a small-scale hydropower dam in Central Jutland, Denmark. We demonstrate that the dam removal has led to a dramatic increase in trout density, especially in young of the year. Surprisingly, we found that this increase was not just upstream of the barrier, where the ponded zone previously was, but also downstream of the barrier, despite little changes in habitat in that area. These findings suggest that barrier removal may be the soundest conservation option to reinstate fish population productivity.
PubMed ID
28923580 View in PubMed
Less detail
Source
Mar Pollut Bull. 2017 Nov 15; 124(1):563-568
Publication Type
Journal Article
Date
Nov-15-2017
Author
Michal Saniewski
Tomasz Borszcz
Author Affiliation
Institute of Meteorology and Water Management, National Research Institute, Maritime Branch, Waszyngtona 42, 81-342 Gdynia, Poland. Electronic address: michal.saniewski@imgw.pl.
Source
Mar Pollut Bull. 2017 Nov 15; 124(1):563-568
Date
Nov-15-2017
Language
English
Publication Type
Journal Article
Keywords
Animals
Arctic Regions
Cesium Radioisotopes - analysis
Echinodermata - chemistry
Strongylocentrotus
Strontium Radioisotopes - analysis
Svalbard
Water Pollutants, Radioactive - analysis
Abstract
Radionuclides in the Arctic echinoderms have seldom been studied despite their considerable environmental importance. This manuscript covers the results of 90Sr and 137Cs measurements in common echinoderm taxa collected from the Svalbard Bank in the Barents Sea and from two High-Arctic fjords (Isfjorden and Magdalenefjorden). We focused on the echinoid, Strongylocentrotus droebachiensis, the asteroid, Henricia sanguinolenta, and the ophiuroid, Ophiopolis aculeata. For all echinoderms, the analysis revealed a negative correlation between 90Sr activity and the mass. Thus, we concluded that metals are accumulated faster at a young age when the growth is most rapid. The highest average activities of 137Cs followed the order O. aculeata>H. sanguinolenta>S. droebachiensis. This suggests that bioaccumulation was highly taxon-dependent and could reflect differences in the isotope exposures associated with the diet of echinoderms. The study provides a baseline for understanding radionuclide processes in the High-Arctic benthic echinoderm communities.
PubMed ID
28781189 View in PubMed
Less detail

[90Sr in residents of the Iset riverside settlements].

https://arctichealth.org/en/permalink/ahliterature144798
Source
Radiats Biol Radioecol. 2010 Jan-Feb;50(1):90-7
Publication Type
Article
Author
E I Tolstykh
L M Peremyslova
N B Shagina
M O Degteva
Source
Radiats Biol Radioecol. 2010 Jan-Feb;50(1):90-7
Language
Russian
Publication Type
Article
Keywords
Bone and Bones - chemistry
Humans
Radiation monitoring
Radioactive Hazard Release
Retrospective Studies
Rivers - chemistry
Rural Population
Siberia
Strontium Radioisotopes - analysis
Water Pollutants, Radioactive - analysis
Abstract
The river Iset belongs to the Techa-Iset-Tobol-Irtysh-Ob system contaminated by liquid radioactive wastes from Mayak plutonium facility in 1949-1956. This study represents the first retrospective analysis of postmortem measurements of 90Sr in bones from residents of the Iset riverside settlements in 1960-1982. It was shown that 90Sr concentration in bones of residents lived in settlements located downstream from the Techa river mouth (Shadrinsk, Isetskoye, Yalutorovsk) was 5 times higher than average 90Sr concentration in bones of the Russian residents. There was not statistically significant difference in accumulated 90Sr in bones between residents of the considered Iset' settlements indicating similar levels of 90Sr ingestion. Dietary 90Sr intake was reconstructed from the measurements of the radionuclide in bones. Total 90Sr dietary intake in 1950-1975 was 68 kBq; and 90% of the intake occurred in 1950-1961. In 1960s, 90Sr-contamination of the diet in settlements located downstream from the Techa river mouth was mostly (by 70%) due to global fallouts. Absorbed dose in the red bone marrow cumulated over 25 years of exposure was equal to 14 (4.7-42) mGy.
PubMed ID
20297686 View in PubMed
Less detail

[100 years of drinking water regulation. Retrospective review, current situation and prospects].

https://arctichealth.org/en/permalink/ahliterature104086
Source
Gig Sanit. 2014 Mar-Apr;(2):5-18
Publication Type
Article
Author
Yu A Rakhmanin
G N Krasovsky
N A Egorova
R I Mikhailova
Source
Gig Sanit. 2014 Mar-Apr;(2):5-18
Language
Russian
Publication Type
Article
Keywords
Drinking Water - standards
History, 20th Century
History, 21st Century
Humans
Retrospective Studies
Russia
Water Quality - standards
Water Supply - history - legislation & jurisprudence - standards
Abstract
There is considered the history of the development of legislative requirements to the regulation of the quality of drinking water in different countries and international organizations during the period from 1912 to the present time. In terms of comparative analysis there is analyzed the current state of regulatory frameworks of the Russian Federation, WHO, EU, Finland, the UK, Singapore, Australia, Japan, China, Nigeria, the United States and Canada in the field of providing favorable conditions of population drinking water use. There has been noted the significant progress in standardization of the content of the biogenic elements and chemical pollution of drinking water in the absence of uniform requirements to the composition and properties of drinking water globally, that is bound to the need to take into account the national peculiarities of drinking water supply within the separate countries. As promising directions for improving regulation of drinking water quality there are noted: the development of new standards for prioritized water pollution, periodic review ofstandards after appearance of the new scientific data on the biological action of substances, the use of the concept of risk, the harmonization of the normative values and the assessment of the possibility of introduction into the practice the one more criterion of profitableness of population water use--the bioenergetic state of the water.
PubMed ID
25051731 View in PubMed
Less detail

129I in the oceans: origins and applications.

https://arctichealth.org/en/permalink/ahliterature6779
Source
Sci Total Environ. 1999 Sep 30;237-238:31-41
Publication Type
Article
Date
Sep-30-1999
Author
G M Raisbeck
F. Yiou
Author Affiliation
Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, IN2P3-CNRS, Orsay, France. raisbeck@csnsm.in2p3.fr
Source
Sci Total Environ. 1999 Sep 30;237-238:31-41
Date
Sep-30-1999
Language
English
Publication Type
Article
Keywords
Environmental Monitoring - methods
France
Great Britain
Iodine - analysis
Iodine Radioisotopes - analysis
Oceans and Seas
Radioactive Tracers
Radioactive Waste - statistics & numerical data
Research Support, Non-U.S. Gov't
Technetium - analysis
Water Pollutants, Radioactive - analysis
Water Pollution, Radioactive - statistics & numerical data
Abstract
The quantity of the long lived (half-life 15.7 million years) radioactive isotope 129I in the pre-nuclear age ocean was approximately 100 kg. Various nuclear related activities, including weapons testing, nuclear fuel reprocessing, Chernobyl and other authorized or non-authorized dumping of radioactive waste have increased the ocean inventory of 129I by more than one order of magnitude. The most important of these sources are the direct marine discharges from the commercial reprocessing facilities at La Hague (France) and Sellafield (UK) which have discharged approximately 1640 kg in the English Channel, and approximately 720 kg in the Irish Sea, respectively. We discuss how this 129I can be used as both a 'pathway' and 'transit time' tracer in the North Atlantic and Arctic oceans, as well as a parameter for distinguishing between reprocessed and non-reprocessed nuclear waste in the ocean, and as a proxy for the transport and dilution of other soluble pollutants input to the North Sea.
PubMed ID
10568263 View in PubMed
Less detail

A 300-million-year record of atmospheric carbon dioxide from fossil plant cuticles.

https://arctichealth.org/en/permalink/ahliterature95961
Source
Nature. 2001 May 17;411(6835):287-90
Publication Type
Article
Date
May-17-2001
Author
Retallack G J
Author Affiliation
Department of Geological Sciences, University of Oregon, Eugene 97403-1272, USA. gregr@darkwing.uoregon.edu
Source
Nature. 2001 May 17;411(6835):287-90
Date
May-17-2001
Language
English
Publication Type
Article
Keywords
Atmosphere - chemistry
Carbon Dioxide - metabolism
Cold Climate
Fossils
Ginkgo biloba - cytology - growth & development - metabolism
Greenhouse Effect
Ice
Methane - metabolism
Phylogeny
Plant Leaves - cytology - growth & development - metabolism
Plants, Medicinal
Pollen
Seasons
Water - metabolism
Abstract
To understand better the link between atmospheric CO2 concentrations and climate over geological time, records of past CO2 are reconstructed from geochemical proxies. Although these records have provided us with a broad picture of CO2 variation throughout the Phanerozoic eon (the past 544 Myr), inconsistencies and gaps remain that still need to be resolved. Here I present a continuous 300-Myr record of stomatal abundance from fossil leaves of four genera of plants that are closely related to the present-day Ginkgo tree. Using the known relationship between leaf stomatal abundance and growing season CO2 concentrations, I reconstruct past atmospheric CO2 concentrations. For the past 300 Myr, only two intervals of low CO2 (2,000 p.p.m.v.) concentrations. These results are consistent with some reconstructions of past CO2 (refs 1, 2) and palaeotemperature records, but suggest that CO2 reconstructions based on carbon isotope proxies may be compromised by episodic outbursts of isotopically light methane. These results support the role of water vapour, methane and CO2 in greenhouse climate warming over the past 300 Myr.
Notes
Comment In: Nature. 2001 May 17;411(6835):247-811357108
PubMed ID
11357126 View in PubMed
Less detail

4009 records – page 1 of 401.