{"id":3543,"date":"2014-11-22T02:07:47","date_gmt":"2014-11-22T07:07:47","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=3543"},"modified":"2014-11-22T02:07:47","modified_gmt":"2014-11-22T07:07:47","slug":"silver-nanoparticles-could-upset-gut-bacteria","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/silver-nanoparticles-could-upset-gut-bacteria\/","title":{"rendered":"Silver nanoparticles could upset gut bacteria<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<p><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2013\/12\/SMCC-english2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-110\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2013\/12\/SMCC-english2.jpg\" alt=\"SMCC-english2\" width=\"255\" height=\"126\" \/><\/a><\/p>\n<p dir=\"ltr\">Silver nanoparticles that leak from water filters could alter the community of bacteria in the human gut, according to a new study. Silver nanoparticles are meant to kill harmful bacteria in portable water filters, but if they leak into drinking water they could also kill beneficial bacteria in our digestive systems.<\/p>\n<p dir=\"ltr\">A simulated gut bacterial community &#8211; known as <span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.uoguelph.ca\/news\/2013\/01\/post_229.html\" target=\"_blank\">rePOOPulate<\/a><\/span> &#8211; exposed to silver nanoparticles at high concentrations (200 parts per million) produced significantly less gas, indicating lower activity. But even at lower concentrations (25 ppm) the composition of the community changed, as some bacteria were more sensitive to the silver than others.<\/p>\n<p dir=\"ltr\">While the consequences of such changes for human health are still unknown, the researchers call for more research on the environmental consequences of leaking silver nanoparticles.<\/p>\n<p><a href=\"http:\/\/omicsonline.org\/nanomedicine-nanotechnology-abstract.php?abstract_id=31365\" target=\"_blank\"><span style=\"text-decoration: underline;\">Original research paper<\/span><\/a>\u00a0published in Journal of Nanomedicine and Nanotechnology<em>\u00a0<\/em>on\u00a0<span class=\"aBn\" tabindex=\"0\" data-term=\"goog_453723367\"><span class=\"aQJ\"><strong>October 18, 2014<\/strong>.<\/span><\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Names and affiliations of selected\u00a0authors<\/strong><\/em><\/span><\/p>\n<h4><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.queensu.ca\/biology\/people\/faculty\/walker.html\" target=\"_blank\">Virginia Walker<\/a><\/span>, Queen\u2019s University, Ontario<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Silver nanoparticles that leak from water filters could alter the community of bacteria in the human gut, according to a new study. Silver nanoparticles are meant to kill harmful bacteria in portable water filters, but if they leak into drinking water they could also kill beneficial bacteria in our digestive systems. A simulated gut bacterial [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[51,53,1394,50,476],"class_list":["post-3543","post","type-post","status-publish","format-standard","hentry","category-paper-of-interest","tag-health","tag-medicine","tag-nanoparticles","tag-ontario","tag-public-health"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-V9","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=3543"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3543\/revisions"}],"predecessor-version":[{"id":3545,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3543\/revisions\/3545"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=3543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=3543"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=3543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}