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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>salelrgbni</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/xeon/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Śro 16:56, 18 Maj 2011<span class="gen"> </span> Temat postu: Bhopal-like gas in smoke</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">“We didn’t look at specific constituents of the smoke but had measured the extent of damage that certain chemicals associated with the smoke can cause to the lens proteins,” Balasubramanian said. <br />Their studies indicate that isocyanic acid at one part per billion by volume could dissolve in exposed tissues such as lungs and eyes. Such exposure could make tissues vulnerable to a process called protein carbamylation that could cause damage. <br />In the early 1990s, Dorairajan Balasubramanian and his colleagues at the Centre for Cellular and Molecular Biology in Hyderabad had shown that a set of chemicals generated by smoke can damage proteins that make up the lens in eyes and can lead to cataract. <br />Isocyanic acid makes a significant contribution to smoke-related health impacts <a href="http://saleshoaxg.livejournal.com/161352.html" target="_blank" class="postlink">life is hard (7)</a>, the scientists said <a href="http://www.cheap-cigarettessale.com" target="_blank" class="postlink">newport cigarettes website</a>, describing their findings in the US journal Proceedings of the National Academy of Sciences. <br />“It dissolves readily in water <a href="http://www.cheapdreheadphones.com" target="_blank" class="postlink">Monster Beats Limited Edition</a>, which means that humans can be exposed directly if it gets into eyes or lungs,” said James Roberts, a chemist with the US National Oceanic and Atmospheric Administration and the study’s lead author. <br />The researchers relied on previously published findings of tobacco burning to calculate that a smoker may consume 36 to 108 micrograms of isocyanic acid, depending on the kind of filters used in the cigarette. <br />Isocyanic acid has a structure similar to methyl isocyanate, the chemical that leaked from the Bhopal pesticide factory in 1984. <br />The researchers who developed an instrument to measure gaseous acids in the atmosphere have found traces of the chemical called isocyanic acid that is produced during the burning of plant materials, biofuels and tobacco. <br />Although the health effects caused by the exposure to isocyanic acid are not known <a href="http://www.cheap-cigarettessale.com" target="_blank" class="postlink">cheap marlboros</a>, the chemical appears to be involved in processes that lead to cataract or inflammation that can lead to coronary artery disease as well as rheumatoid arthritis. <br />The researchers found isocyanic acid in the atmosphere over several places -— over Los Angeles and in the air downwind of a wildfire in Colorado. They said exhausts from a set of diesel engines may also contain the chemical. <br />They said isocyanic acid from tobacco needs to be measured and quantified because this chemical is currently not included in a list of harmful or potentially harmful constituents in tobacco products and tobacco smoke drawn up by the US Food and Drugs Administration. <br />New Delhi, May 17: Smoke from cigarettes, diesel and burning trees contains a chemical similar to the gas that had leaked from a pesticide factory in Bhopal in 1984 and has been implicated in heart disease, cataract, and rheumatoid arthritis, US scientists said today.</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/xeon/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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