{"id":3081,"date":"2026-04-06T16:38:56","date_gmt":"2026-04-06T19:38:56","guid":{"rendered":"https:\/\/foto.art.br\/site\/?p=3081"},"modified":"2026-04-06T17:01:30","modified_gmt":"2026-04-06T20:01:30","slug":"urtiga-em-cianotipia","status":"publish","type":"post","link":"https:\/\/foto.art.br\/site\/2026\/04\/06\/urtiga-em-cianotipia\/","title":{"rendered":"Urtiga em cianotipia ??"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-793x1024.jpg\" alt=\"\" class=\"wp-image-3082\" srcset=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-793x1024.jpg 793w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-232x300.jpg 232w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-768x991.jpg 768w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-100x129.jpg 100w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga-1190x1536.jpg 1190w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2026\/04\/urtiga.jpg 1200w\" sizes=\"auto, (max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<p>O site Alternative Photography publica interessante mat\u00e9ria de Pedro Mendes Leal sobre a desoberta de Jonathan Bradley da t\u00e9cnica que denominam Vertotype&#8230;<\/p>\n\n\n\n<p>(trad do in\u00edcio da materia)<br><em>Durante uma resid\u00eancia no The Sustainable Darkroom, Pedro Mendes Leal aprendeu a t\u00e9cnica de vert\u00f3tipo \u2013 descoberta por Jonathan Bradley, semelhante \u00e0 cianotipia, mas desenvolvida com maior consci\u00eancia ambiental. Desde ent\u00e3o, ele vem experimentando e aprimorando o processo e compartilha o que aprendeu.<br>O que s\u00e3o vert\u00f3tipos? Uma forma mais sustent\u00e1vel de fazer impress\u00f5es, baseada na cianotipia!<br>Conheci os vert\u00f3tipos pela primeira vez em uma oficina durante essa resid\u00eancia, onde li o estudo de Jonathan Bradley e comecei a trocar ideias com ele. Jonathan descobriu que a curva qu\u00edmica da extra\u00e7\u00e3o da urtiga (Urtica dioica) \u00e9 muito semelhante \u00e0 Solu\u00e7\u00e3o A (citrato f\u00e9rrico de am\u00f4nio) usada no processo de cianotipia. Ele tinha como objetivo reduzir o impacto ambiental dos compostos de am\u00f4nio, mesmo que a cianotipia j\u00e1 seja um dos processos fotogr\u00e1ficos menos prejudiciais.<\/em><\/p>\n\n\n\n<p>Observemos que existem muitas plantas na familia das Urtigas, foi usada na pequisa a <strong>Urtica dioica<\/strong> nativa da Europa, \u00c1frica, \u00c1sia e Am\u00e9rica do Norte. <\/p>\n\n\n\n<p><br><strong><em>Teria que se fazer testes com as encontradas no Brasil&#8230; Se algu\u00e9m fizer testes favor compartilhar<\/em><\/strong><br>(observar que \u00e9 pelo menos 4 vezes menos sens\u00edvel que a cinaotipia, sugest\u00e3o 40 minutos a sol pleno)<\/p>\n\n\n\n<p><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Urtica\">https:\/\/pt.wikipedia.org\/wiki\/Urtica<\/a><\/p>\n\n\n\n<p>link da mat[eria completa:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-alternativephotography-com wp-block-embed-alternativephotography-com\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"Zycx6nDdZG\"><a href=\"https:\/\/www.alternativephotography.com\/vertotypes-eco-printing\/\">Vertotypes &#8211; Eco-printing, based on cyanotypes<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Vertotypes &#8211; Eco-printing, based on cyanotypes&#8221; &#8212; AlternativePhotography.com\" src=\"https:\/\/www.alternativephotography.com\/vertotypes-eco-printing\/embed\/#?secret=u2sBcVyExP#?secret=Zycx6nDdZG\" data-secret=\"Zycx6nDdZG\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Relat\u00f3rio da pesquisa de Jonathan Bradley<\/p>\n\n\n\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1oUDyZ7t--QOVgrIRf2TDiGKoVpnDw2cz\/view\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/drive.google.com\/file\/d\/1oUDyZ7t&#8211;QOVgrIRf2TDiGKoVpnDw2cz\/view<\/a><\/p>\n\n\n\n<p>site do pesquisador<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-pedro-mendes-leal wp-block-embed-pedro-mendes-leal\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"T1iE5UKomN\"><a href=\"https:\/\/pedromendesleal.com\/\"><\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;&#8221; &#8212; Pedro Mendes Leal\" src=\"https:\/\/pedromendesleal.com\/embed\/#?secret=GQllFzp9wg#?secret=T1iE5UKomN\" data-secret=\"T1iE5UKomN\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O site Alternative Photography publica interessante mat\u00e9ria de Pedro Mendes Leal sobre a desoberta de Jonathan Bradley da t\u00e9cnica que denominam Vertotype&#8230; (trad do in\u00edcio da materia)Durante uma resid\u00eancia no The Sustainable Darkroom, Pedro Mendes Leal aprendeu a t\u00e9cnica de vert\u00f3tipo \u2013 descoberta por Jonathan Bradley, semelhante \u00e0 cianotipia, mas desenvolvida com maior consci\u00eancia ambiental. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3082,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts\/3081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/comments?post=3081"}],"version-history":[{"count":6,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts\/3081\/revisions"}],"predecessor-version":[{"id":3089,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts\/3081\/revisions\/3089"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/media\/3082"}],"wp:attachment":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/media?parent=3081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/categories?post=3081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/tags?post=3081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}