{"id":12775,"date":"2021-02-15T02:52:06","date_gmt":"2021-02-15T02:52:06","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12775"},"modified":"2021-02-15T02:52:06","modified_gmt":"2021-02-15T02:52:06","slug":"wasp-nests-glow-green-under-uv-light","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/biology\/wasp-nests-glow-green-under-uv-light\/","title":{"rendered":"Vos\u00ed hn\u00edzda z\u00e1\u0159\u00ed zelen\u011b v UV sv\u011btle: Fascinuj\u00edc\u00ed fenom\u00e9n fluorescence"},"content":{"rendered":"

Vos\u00ed hn\u00edzda z\u00e1\u0159\u00ed zelen\u011b v ultrafialov\u00e9m sv\u011btle: Fenom\u00e9n fluorescence<\/h2>\n\n

Objev a pozorov\u00e1n\u00ed<\/h2>\n\n

P\u0159i pr\u016fzkumu lesa v severn\u00edm Vietnamu narazil v\u011bdec Bernd Sch\u00f6llhorn na neobvykl\u00fd pohled: \u017eiv\u011b zelen\u00e1 koule z\u00e1\u0159\u00edc\u00ed mezi list\u00edm. P\u0159i sv\u00edcen\u00ed ultrafialov\u00fdm (UV) LED sv\u011btlem, aby na\u0161el fluoreskuj\u00edc\u00ed hmyz, si Sch\u00f6llhorn nejprve spletl kouli s baterkou, kterou dr\u017e\u00ed jin\u00fd v\u011bdec. P\u0159i bli\u017e\u0161\u00edm zkoum\u00e1n\u00ed si uv\u011bdomil, \u017ee se jedn\u00e1 o otev\u0159en\u00fd pl\u00e1st pap\u00edrov\u00e9ho vos\u00edho hn\u00edzda, kter\u00e9 vyd\u00e1v\u00e1 \u00e9tericky zelenou z\u00e1\u0159i.<\/p>\n\n

Fluorescence v pap\u00edrov\u00fdch vos\u00edch hn\u00edzdech<\/h2>\n\n

Na denn\u00edm sv\u011btle vypadaj\u00ed pap\u00edrov\u00e1 vos\u00ed hn\u00edzda jako nen\u00e1padn\u00e9 b\u00edl\u00e9 nebo \u017elut\u00e9 \u00fatvary. Kdy\u017e jsou v\u0161ak osv\u011btlena UV sv\u011btlem, p\u0159em\u011bn\u00ed se na z\u00e1\u0159\u00edc\u00ed maj\u00e1ky. Fluorescence poch\u00e1z\u00ed z hedv\u00e1bn\u00fdch vl\u00e1ken, kter\u00e1 pokr\u00fdvaj\u00ed \u0161estihrann\u00e9 bu\u0148ky hn\u00edzda. Tato vl\u00e1kna absorbuj\u00ed UV z\u00e1\u0159en\u00ed a znovu ho vyza\u0159uj\u00ed na del\u0161\u00ed vlnov\u00e9 d\u00e9lce, co\u017e vytv\u00e1\u0159\u00ed charakteristickou zelenou z\u00e1\u0159i.<\/p>\n\n

Roz\u0161\u00ed\u0159en\u00ed a intenzita<\/h2>\n\n

Sch\u00f6llhorn a jeho t\u00fdm testovali hn\u00edzda \u0161esti r\u016fzn\u00fdch druh\u016f pap\u00edrov\u00fdch vos z Vietnamu, Francie a Francouzsk\u00e9 Guyany pod UV sv\u011btlem. Pozoruhodn\u011b v\u0161echna hn\u00edzda vykazovala fluorescenci, p\u0159i\u010dem\u017e hn\u00edzda z Vietnamu sv\u00edtila zelen\u011b a ta z jin\u00fdch oblast\u00ed vyd\u00e1vala namodral\u00fd odst\u00edn. Z\u00e1\u0159e byla obzvl\u00e1\u0161t\u011b intenzivn\u00ed a \u010d\u00e1sti exponovan\u00e9ho pap\u00edrov\u00e9ho pl\u00e1stu byly viditeln\u00e9 a\u017e ze vzd\u00e1lenosti 60 stop.<\/p>\n\n

Evoluce a \u00fa\u010del<\/h2>\n\n

Fluorescence v pap\u00edrov\u00fdch vos\u00edch hn\u00edzdech je relativn\u011b nov\u00fd objev a jej\u00ed \u00fa\u010del z\u016fst\u00e1v\u00e1 nezn\u00e1m\u00fd. V\u011bdci spekuluj\u00ed, \u017ee zelen\u00e1 z\u00e1\u0159e by mohla slou\u017eit jako vizu\u00e1ln\u00ed sign\u00e1l pro vosy, aby na\u0161ly sv\u00e1 hn\u00edzda. P\u0159\u00edpadn\u011b mohou hedv\u00e1bn\u00e9 krytky p\u016fsobit jako slune\u010dn\u00edk a chr\u00e1nit mlad\u00e9 vosy p\u0159ed \u0161kodliv\u00fdm UV z\u00e1\u0159en\u00edm b\u011bhem metamorf\u00f3zy.<\/p>\n\n

Mo\u017en\u00e9 aplikace<\/h2>\n\n

Objev fluoreskuj\u00edc\u00edho hedv\u00e1b\u00ed v pap\u00edrov\u00fdch vos\u00edch hn\u00edzdech vyvolal nad\u0161en\u00ed mezi v\u011bdci. Chemick\u00e9 slou\u010deniny odpov\u011bdn\u00e9 za z\u00e1\u0159i by mohly m\u00edt potenci\u00e1ln\u00ed aplikace v biomedic\u00ednsk\u00e9m v\u00fdzkumu. Mohly by b\u00fdt nap\u0159\u00edklad pou\u017eity k v\u00fdvoji nov\u00fdch zobrazovac\u00edch technik nebo syst\u00e9m\u016f c\u00edlen\u00e9ho pod\u00e1v\u00e1n\u00ed l\u00e9k\u016f.<\/p>\n\n

Fluorescence u jin\u00fdch organism\u016f<\/h2>\n\n

Biofluorescence, vyza\u0159ov\u00e1n\u00ed sv\u011btla \u017eiv\u00fdmi organismy, nen\u00ed unik\u00e1tn\u00ed pro pap\u00edrov\u00e9 vosy. Byla pozorov\u00e1na u cel\u00e9 \u0159ady druh\u016f, v\u010detn\u011b mlok\u016f, \u017eab, kor\u00e1l\u016f, ptakopysk\u016f, vombat\u016f a l\u00e9taj\u00edc\u00edch veverek. Tyto organismy absorbuj\u00ed sv\u011btlo a pot\u00e9 ho znovu vyza\u0159uj\u00ed na jin\u00e9 vlnov\u00e9 d\u00e9lce, \u010d\u00edm\u017e vytv\u00e1\u0159ej\u00ed fascinuj\u00edc\u00ed \u0159adu barev.<\/p>\n\n

Budouc\u00ed v\u00fdzkum<\/h2>\n\n

Objev fluorescence v pap\u00edrov\u00fdch vos\u00edch hn\u00edzdech otev\u0159el nov\u00e9 cesty pro v\u00fdzkum. V\u011bdci dycht\u00ed po odhalen\u00ed chemick\u00fdch mechanism\u016f, kter\u00e9 stoj\u00ed za z\u00e1\u0159en\u00edm, a prozkoum\u00e1vaj\u00ed jeho potenci\u00e1ln\u00ed ekologick\u00e9 a biomedic\u00ednsk\u00e9 aplikace. Budouc\u00ed studie prolij\u00ed sv\u011btlo na evolu\u010dn\u00ed p\u016fvod tohoto fascinuj\u00edc\u00edho jevu a jeho v\u00fdznam v p\u0159\u00edrodn\u00edm sv\u011bt\u011b.<\/p>","protected":false},"excerpt":{"rendered":"

Vos\u00ed hn\u00edzda z\u00e1\u0159\u00ed zelen\u011b v ultrafialov\u00e9m sv\u011btle: Fenom\u00e9n fluorescence Objev a pozorov\u00e1n\u00ed P\u0159i pr\u016fzkumu lesa v severn\u00edm Vietnamu narazil v\u011bdec Bernd Sch\u00f6llhorn na neobvykl\u00fd pohled: \u017eiv\u011b zelen\u00e1 koule z\u00e1\u0159\u00edc\u00ed mezi…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[4201,17266,7383,17264,8877,17263,17261,17265,17260,14084,17262],"class_list":["post-12775","post","type-post","status-publish","format-standard","hentry","category-biology","tag-biofluorescence","tag-biomedical-research","tag-fluorescence","tag-larvae","tag-paper-wasps","tag-metamorphosis","tag-silk-fibers","tag-sunshade","tag-ultraviolet-light","tag-wasp-nests","tag-green-glow"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=12775"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12775\/revisions"}],"predecessor-version":[{"id":12776,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12775\/revisions\/12776"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=12775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=12775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=12775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}