{"id":1094,"date":"2013-02-20T12:06:18","date_gmt":"2013-02-20T12:06:18","guid":{"rendered":"http:\/\/biosi.subsite.cf.ac.uk\/biosi\/kille-morgan\/?p=1094"},"modified":"2015-06-19T09:51:54","modified_gmt":"2015-06-19T09:51:54","slug":"publication-pb-and-zn-imaging-and-in-situ-speciation-at-the-geogenicbiogenic-interface-in-sentinel-earthworms-using-electron-microprobe-and-synchrotron-micro-focus-x-ray-spectroscopy","status":"publish","type":"post","link":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/2013\/02\/20\/publication-pb-and-zn-imaging-and-in-situ-speciation-at-the-geogenicbiogenic-interface-in-sentinel-earthworms-using-electron-microprobe-and-synchrotron-micro-focus-x-ray-spectroscopy\/","title":{"rendered":"Publication: Pb and Zn imaging and in situ speciation at the geogenic\/biogenic interface in sentinel earthworms using electron microprobe and synchrotron micro-focus X-ray spectroscopy"},"content":{"rendered":"<p><a title=\"John Morgan\" href=\"http:\/\/biosi.subsite.cf.ac.uk\/biosi\/kille-morgan\/the-team-2\/john-morgan\/\">Prof. Morgan<\/a> and <a title=\"Pete Kille\" href=\"http:\/\/biosi.subsite.cf.ac.uk\/biosi\/kille-morgan\/the-team-2\/pete-kille-2\/\">Dr. Kille<\/a>\u00a0have published in the journal\u00a0<strong>Environmental\u00a0Pollution<\/strong>.<\/p>\n<p><span style=\"color: #000000;font-size: 1.8em;line-height: 1.5em\">Abstract<\/span><\/p>\n<p id=\"abspara0010\">Using synchrotron- and electron microscope-based X-ray microanalyses, the distribution and speciation of Zn and Pb were examined\u00a0<em>in situ<\/em>\u00a0in two earthworm species (<em>Dendrodrilus rubidus<\/em>\u00a0and\u00a0<em>Lumbricus rubellus<\/em>) living in heavily-polluted soils. Main findings: (i) Zn spectra in ingested soil and in tissues more closely resembled Zn<sub>3<\/sub>(PO<sub>4<\/sub>)<sub>2<\/sub>\u00a0than ZnS; (ii) Zn speciation in tissues gave a best fit for Zn to the inner shell of 4 oxygens at 1.94\u00a0\u00c5 (or nitrogens at 1.96\u00a0\u00c5); (iii) the best fit for Pb in tissue was with a shell of oxygens at 2.18\u00a0\u00c5 and a shell of sulphurs at 2.67\u00a0\u00c5; (iv) a component of the Zn and much of the Pb detectable in gut contents was co-distributed with S; (v) Zn and Pb display \u2018soft\u2019 acid affinities in soil, but \u2018hard\u2019 acid affinities in tissue. This is the first metal characterisation study conducted on an invertebrate quench-frozen in the field.<\/p>\n<p>Full texts is available\u00a0<a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S026974911200440X\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prof. Morgan and Dr. Kille\u00a0have published in the journal\u00a0Environmental\u00a0Pollution. Abstract Using synchrotron- and electron microscope-based X-ray microanalyses, the distribution and speciation of Zn and Pb were examined\u00a0in situ\u00a0in two earthworm species (Dendrodrilus rubidus\u00a0and\u00a0Lumbricus rubellus) living in heavily-polluted soils. Main findings: (i) Zn spectra in ingested soil and in tissues more closely resembled Zn3(PO4)2\u00a0than ZnS; (ii)<\/p>\n","protected":false},"author":3463,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_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":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[10,11],"tags":[],"class_list":["post-1094","post","type-post","status-publish","format-standard","hentry","category-news","category-publications"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6t6rP-hE","meta_box":[],"_links":{"self":[{"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/posts\/1094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/users\/3463"}],"replies":[{"embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/comments?post=1094"}],"version-history":[{"count":1,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/posts\/1094\/revisions"}],"predecessor-version":[{"id":2623,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/posts\/1094\/revisions\/2623"}],"wp:attachment":[{"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/media?parent=1094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/categories?post=1094"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/kille-morgan\/wp-json\/wp\/v2\/tags?post=1094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}