Mutagenic activities of wood smoke photooxidation products

Cover of: Mutagenic activities of wood smoke photooxidation products | T. E Kleindienst

Published by U.S. Environmental Protection Agency, Atmospheric Sciences Research Laboratory in Research Triangle Park, NC .

Written in English

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Subjects:

  • Mutagens -- United States,
  • Stoves, Wood -- United States -- Physiological effect,
  • Smoke -- Physiological effect

Edition Notes

Book details

StatementT.E. Kleindienst, P.B. Shepson, and E.O. Edney
ContributionsShepson, P. B, Edney, Edward, Atmospheric Sciences Research Laboratory
The Physical Object
Pagination3 p. ;
ID Numbers
Open LibraryOL14891669M

Download Mutagenic activities of wood smoke photooxidation products

Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products. Tadeusz E.

Kleindienst; Paul B. Shepson; Edward O. Edney; Larry D. Claxton; Larry T. CupittCited by: Get this from a library. Mutagenic activities of wood smoke photooxidation products. [T E Kleindienst; P B Shepson; Edward Edney; Atmospheric Sciences Research Laboratory.].

* "' United States Environmental Protection Agency ' -«Atmospheric Sciences ^ Research Laboratory ^ Research Triangle Park NC ', Research and Development EPA//S/ Dec. &EPA Project Summary Mutagenic Activities of Wood Smoke Photooxidation Products T.

Kleindienst, P. Shepson, and E. Edney The full report presents the results of experiments designed to evaluate. Environ Sci Technol. May;20(5) doi: /esa Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation by:   Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation productsCited by: Children can read the story about best burning practices, color the pictures, and do the activities included in this activity book.

Order the book for free. Thank you to the Burn Wise Alaska program in the Alaska Department of Environmental Conservation for providing the artwork, and to Carolyn Kelly of the Quinault Indian Nation for allowing us to share her project.

Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products. Tadeusz E. Kleindienst, Paul B. Shepson, Edward O. Edney, Larry D. Claxton, and ; Larry T.

Cupitt. Polycyclic Aromatic Hydrocarbon Mutagenic Activity Allyl Chloride Wood Smoke L.D. Claxton, and L.T. Cupitt () Wood smoke: Measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products.

Env. Sci. Bioassay-directed fractionation of mutagenic PAH atmospheric photooxidation products and ambient particulate extracts E.O. Edney, L.D. Claxton and L.T. Cupitt () Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products, Environ.

J.J. Bufalini and L.D. Claxton () Comparison of. Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products.

Kleindienst TE, Shepson PB, Edney EO, Claxton LD, Cupitt LT. Environ Sci Technol, 20(5), 01 May Cited by: 12 articles | PMID:   The order of mutagenic potency in TA was alstonia > red mangrove > black TABLE 2 RELATIVE MUTAGENIC POTENCY OF CONDENSATES THE SMOKE Wood TA TA98 -$9 +$9 +$9 White mangrove Red mangrove Mahogany Abura Alstonia Black afara Cigarette tar The slope values (mutagenic.

Mutagenic activity of the photooxidation products of C/sub 6/H/sub 5/NH/sub 2//C/sub 2/H/sub 4//NO/sub x/ mixtures. Mutagenic activities of wood-smoke photooxidation products.

Final report. Wood smoke is also a colorant, where the stain is immediately produced upon contact between the food surface and smoke, or the color is formed when the smoke and food components react chemically at the elevated temperature used to process the food.

The preservative role of wood smoke is well known. However, although specific components have. Mutagenic activities of these extracts were measured by the pre-incubation method using Salmonella typhimurium TA and TA 98 strains with and without S-9 mix.

Kleindienst TE, Shepson PB, Edney EO () Wood smoke: measurement of the mutagenic activities of its gas-and particulate-phase photooxidation products. Environ Sci Technol – PubMed CrossRef Google Scholar. Residential wood combustion is now recognized as a major particle source in many developed countries, and the number of studies investigating the negative health effects associated with wood smoke exposure is currently increasing.

The combustion appliances in use today provide highly variable combustion conditions resulting in large variations in the physicochemical characteristics of.

WOOD SMOKE ACTIVITY BOOK. Acknowledgements Thanks to our partners at the Alaska Department of Environmental Conservation’s Burn Wise Alaska program for allowing EPA to use their artwork to make this activity book available to other communities across the country.

1 Our woodstove keeps me warm when it’s cold and rainy outside. The sentiment that woodsmoke, being a natural substance, must be benign to humans is still sometimes heard. It is now well established, however, that wood-burning stoves and fireplaces as well as wildland and agricultural fires emit significant quantities of known health-damaging pollutants, including several carcinogenic compounds.

Meathead Goldwyn, What You Need to Know About Wood, Smoke, And Combustion “Smoke flavor is influenced more by the climate and soil in which they are grown than the species of wood. This is very important to note, especially when you are caught up in the game of deciding which wood.

@article{osti_, title = {The genotoxic contribution of wood smoke to indoor respirable suspended particles}, author = {Boone, P M and Rossman, T G and Daisey, J M}, abstractNote = {The effect of wood burning stoves on the genotoxicity of indoor respirable organic matter was investigated for four homes during the winter and spring of Wood Smoke Is Toxic Pollution.

Wood smoke contains thousands of chemicals, including known irritants, carcinogens, suspected carcinogens, mutagens, teratogens (substances that are linked to birth defects) and metals, as well as toxic and irritant gases such as carbon monoxide, nitrogen oxides and sulfur following is a brief overview of only some of the health-damaging toxins in.

Smoke consists of gasses and airborne particles produced as a result of combustion or burning. The specific chemicals depend on the fuel used to produce the fire. Here is a look as some of the principal chemicals produced from wood smoke.

Keep in mind, there are thousands of chemicals in smoke so the chemical composition of smoke is extremely. For both wood smoke and automobile exhaust, the mutagenic activities of the gas-phase species increased dramatically as a result of the irradiation. The measured reversion rates after the irradiation, using TA, were and 70 rever- tants/h for wood smoke and automobile exhaust, respectively.

Mutagenic activity of the products of ozone reaction with propylene in the presence and absence of nitrogen dioxide. Greg Blonder – March -- More info at Fundamentals of Wood Combustion " Fundamentals of Smoke Flavor.

mutagenic and carcinogenic effects. Correspondingly, mutagenicity tests of combustion-generated PM (e.g., PM in cigarette smoke, diesel exhaust, and wood smoke from residential wood burning) are consistently positive. The mutagenicity of wood smoke from prescribed fire, however, has received far less attention.

Wood smoke: Measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products. Environmental Science and Technology 20(5) Kleindienst TE, Shepson PB, Edney EO, Cupitt LT, Claxton LD.

The mutagenic activity of the products of propylene photooxidation. Environmental Science and Technology 19(7) Wood smoke: Measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products.

Environmental Science and Technology 20(5) Kleindienst TE, Shepson PB, Edney EO, Nero CM, Cupitt LT, Claxton LD. The atmospheric transformation and mutagenicity of volatile wood smoke emissions. ing an investigation into the chemical nature of wood smoke and who supplied us with 4 fractions of con- densates which contained nearly all the nongaseous products of combustion.

The wood, a mixture of oak sawdust and oak shavings, was smouldered in a semi- technical-scale plant imitating a kippering kiln. The cytotoxicity and mutagenicity of these products were assessed by using neutral red uptake and Ames mutagenicity assays, respectively. The biological activities of four liquid smoke food flavourings (LSF) were compared with two other pyrolysis-derived materials; cigarette smoke condensate (CSC) and a wood smoke condensate (WSC).

The Aminco-NBS smoke density chamber (ASTM Method E ) was used to study dynamic smoke generation from wood. Solid red oak and Douglas fir ply wood were tested at three levels of heat flux under nonflaming exposure. Smoke particulate concentrations were obtained using a filtration method.

Earlier work has demonstrated presence of products of naphthalene photooxidation as 1-naphthol, naphthoquinones, benzoquinones, phthalide and 1,3-indandione.

The aim of this research was also to determine products of naphthalene photooxidation reaction within the fog condensate containing water, naphthalene and NaCl under UV light. In communities where wood is burned for home heating, wood smoke can at times contribute the majority of the atmospheric fine‐particle burden.

Chemical mass balance receptor models that use organic compounds as tracers can be used to determine the contributions of different emission sources, including wood smoke, to atmospheric fine. The level increased as wood burning began, peaking at over ng/m3.

The U.S. EPA estimates that the cancer risk from wood smoke is twelve times greater than from equal amounts of tobacco smoke. Below is a NASA picture of PAH. "More and more, cancer looks like an environmental disease." Ana Soto, Tufts University, Professor of Cell Biology.

Decades ago, smoke flavorings were tested to see if they caused DNA mutations in bacteria, and the test was negative. Even as more and more smoke flavoring was added, the DNA mutation rate remained about the same. But “[t]he fact that [something] is not mutagenic in bacteria has little predictive value for [its effect] on human cells.”.

Generated from Wood in the NBS Smoke Chamber H AO C. T RAN United States Department of Agriculture Forest Service Forest Products Laboratory Madison, WI (Received Aug ) (Revised Febru ) ABSTRACT. The Aminco-NBS smoke density chamber (ASTM Method E ) was used to study dynamic smoke generation from wood.

Wood smoke has been found to produce high levels of free radicals and DNA damage, as well as to promote inflammatory and oxidative stress response gene expression in human cells.

Compared to diesel exhaust particles, wood smoke particles were found to cause increased levels of DNA strand breaks in a laboratory study.

2 ABSTRACT Rationale: Wood smoke-associated chronic obstructive pulmonary disease (COPD) is common in women in developing countries but has not been adequately described in developed countries. Objectives: Our objective was to determine whether wood smoke exposure was a risk factor for COPD in a population of smokers in the United States and whether aberrant gene promoter.

Even though people have burned wood for millennia, we now know that wood smoke can impact the health of your family and others around you. It contains wood tars, gases, and soot, as well as chemicals like carbon monoxide, dioxins, volatile organic compounds (VOCs), and fine particles.

Many of these are the same toxic substances found in tobacco smoke, and it is believed that wood smoke has. "The Atmospheric Transformation and Bioactivity of Combustion Products from Residential Wood Stoves," PI- R Kamens, Office of Exploratory Research, Environmental Protection Agency, 6/1/81 to 12/31/83, $.

Beef sausage Wood smoked “ Liquid smoke flavoring Chen & Lin16 Duck breast Wood smoked “ nd Liquid smoke flavoring Hattula17 Trout Wood smoked “ nd Liquid smoke flavoring Varlet et al4 Salmon fillets Wood smoke - “smoldering.Smoking is one of the oldest of food preservation methods, probably having arisen shortly after the development of cooking with fire.

The practice attained high levels of sophistication in several cultures, notably the smoking of fish in Scandinavia and northwestern North America and the production of smoked hams in Europe and the United States.

Interest in smoking meats, which had declined. Decades ago, smoke flavorings were tested to see if they caused DNA mutations in bacteria—the tests came up negative. Even as more and more smoke flavoring was added, the DNA mutation rate remained about the same.

But the fact that something is not mutagenic in bacteria may have little predictive value for its effect on human cells.

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