{"id":586,"date":"2023-07-22T11:41:55","date_gmt":"2023-07-22T11:41:55","guid":{"rendered":"https:\/\/chemuza.org\/tr\/floresan-c20h12o5\/"},"modified":"2023-07-22T11:41:55","modified_gmt":"2023-07-22T11:41:55","slug":"floresan-c20h12o5","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/floresan-c20h12o5\/","title":{"rendered":"Floresein \u2013 c20h12o5, 2321-07-5"},"content":{"rendered":"<p>Floresein, ultraviyole radyasyona maruz kald\u0131\u011f\u0131nda ye\u015fil \u0131\u015f\u0131k yayan floresan bir bile\u015fiktir. Kornea a\u015f\u0131nmalar\u0131n\u0131 tespit etmek i\u00e7in t\u0131bbi te\u015fhislerde ve \u00e7evresel izlemede yayg\u0131n olarak kullan\u0131l\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> 3H-ksanten-3-on, floresan<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C20H12O5<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 2321-07-5<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> CI45350; Uranin; D ve C sar\u0131 no. 7; Floresein; Resorsinolftalein; \u00c7\u00f6z\u00fcc\u00fc Sar\u0131 94; 3&#8242;,6&#8242;-dihidroksifloran; NSC 29321<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C20H12O5\/c21-15-9-5-12(6-10-15)18-14(20(24)25)4-8-17(23)19(18)13-3-1- 2-11(7-13)16(22)C20H12O5\/c21-15-9-5-12(6-10-15)18-14(20(24)25)4-8-17(23)19( 18)13-3-1-2-11(7-13)16(22)23\/h1-10,22-23H,(M,24,25)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p> Floresein Molar K\u00fctlesi<\/p>\n<p> Floresan&#8217;\u0131n molar k\u00fctlesi 332,31 g\/mol&#8217;d\u00fcr. Molar k\u00fctle, bir maddenin bir mol\u00fcn\u00fcn k\u00fctlesidir ve mol ba\u015f\u0131na gram cinsinden ifade edilir. Floreseinin molar k\u00fctlesi, bir floresan molek\u00fcl\u00fcndeki t\u00fcm atomlar\u0131n atomik k\u00fctlelerinin toplanmas\u0131yla hesaplan\u0131r. Floresan&#8217;\u0131n molar k\u00fctlesi, t\u0131bbi te\u015fhis ve \u00e7evresel izleme dahil olmak \u00fczere uygulamalar\u0131n\u0131n bir\u00e7ok a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<p> Floreseinin kaynama noktas\u0131<\/p>\n<p> Floresan&#8217;\u0131n kaynama noktas\u0131 iyi tan\u0131mlanmam\u0131\u015ft\u0131r \u00e7\u00fcnk\u00fc kaynama noktas\u0131na ula\u015fmadan par\u00e7alan\u0131r. Bununla birlikte, floresan yakla\u015f\u0131k 340\u00b0C s\u0131cakl\u0131kta s\u00fcblimle\u015ftirilebilir. S\u00fcblimle\u015fme, kat\u0131 bir maddenin s\u0131v\u0131 fazdan ge\u00e7meden gaza d\u00f6n\u00fc\u015fmesi i\u015flemidir. Baz\u0131 durumlarda kat\u0131lar\u0131 safla\u015ft\u0131rmak veya ince filmler olu\u015fturmak i\u00e7in s\u00fcblimasyon kullan\u0131l\u0131r.<\/p>\n<p> Floresans\u0131n erime noktas\u0131<\/p>\n<p> Floreseinin erime noktas\u0131 314 ila 317\u00b0C&#8217;dir. Erime noktas\u0131 bir kat\u0131n\u0131n s\u0131v\u0131ya d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc s\u0131cakl\u0131kt\u0131r. Floresan&#8217;\u0131n erime noktas\u0131 t\u0131bbi te\u015fhis, \u00e7evresel izleme ve malzeme bilimi dahil bir\u00e7ok uygulamada \u00f6nemlidir. Floresan&#8217;\u0131n erime noktas\u0131 safs\u0131zl\u0131klardan, bas\u0131n\u00e7tan ve di\u011fer fakt\u00f6rlerden etkilenebilir.<\/p>\n<h6 class=\"wp-block-heading\"> Floresein yo\u011funlu\u011fu g\/mL<\/h6>\n<p> Floresans\u0131n yo\u011funlu\u011fu 1,92 g\/mL&#8217;dir. Yo\u011funluk, bir maddenin belirli bir hacminde bulunan k\u00fctlenin bir \u00f6l\u00e7\u00fcs\u00fcd\u00fcr. Floresein yo\u011funlu\u011fu t\u0131bbi te\u015fhis, \u00e7evresel izleme ve malzeme bilimi dahil olmak \u00fczere bir\u00e7ok uygulamada \u00f6nemlidir. Floresein yo\u011funlu\u011fu s\u0131cakl\u0131k, bas\u0131n\u00e7 ve di\u011fer fakt\u00f6rlerden etkilenebilir.<\/p>\n<p> Floresein Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/p>\n<p> Floreseinin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 332,31 g\/mol&#8217;d\u00fcr. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, bir maddenin molek\u00fcl\u00fcn\u00fcn k\u00fctlesidir ve mol ba\u015f\u0131na gram cinsinden ifade edilir. Floresan&#8217;\u0131n molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131, t\u0131bbi te\u015fhis ve \u00e7evresel izleme dahil olmak \u00fczere uygulamalar\u0131n\u0131n bir\u00e7ok a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<p> Floresans\u0131n yap\u0131s\u0131 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/Fluorescein.jpg\" alt=\"Floresein\" width=\"157\" height=\"105\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<p> Floresein, bir karbon zinciriyle ba\u011flanan iki aromatik halkay\u0131 i\u00e7eren karma\u015f\u0131k bir yap\u0131ya sahiptir. Halkalardan birinde hidroksil grubu, di\u011ferinde karboksilik asit grubu bulunur. Floreseinin yap\u0131s\u0131 t\u0131bbi te\u015fhis, \u00e7evresel izleme ve malzeme bilimi dahil olmak \u00fczere bir\u00e7ok uygulamada \u00f6nemlidir. Floresans\u0131n yap\u0131s\u0131, floresans\u0131 da dahil olmak \u00fczere fiziksel ve kimyasal \u00f6zelliklerini etkiler.<\/p>\n<h6 class=\"wp-block-heading\"> Floresein Form\u00fcl\u00fc<\/h6>\n<p> Floreseinin molek\u00fcler form\u00fcl\u00fc C20H12O5&#8217;tir. Form\u00fcl, bir floresan molek\u00fcl\u00fcnde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcrlerini g\u00f6sterir. Form\u00fcl, t\u0131bbi te\u015fhis ve \u00e7evresel izleme dahil olmak \u00fczere floresan uygulamalar\u0131n\u0131n bir\u00e7ok a\u00e7\u0131s\u0131ndan \u00f6nemlidir. Form\u00fcl, floreseinin molar k\u00fctlesini ve molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131n\u0131 hesaplamak i\u00e7in kullan\u0131labilir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Parlak sar\u0131 veya sar\u0131-ye\u015fil kristal toz<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 1,92 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> sar\u0131mt\u0131rak ye\u015fil<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Kokusuz<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 332,31 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 1,92 gr\/ml<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 314-317\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> Kaynamadan \u00f6nce par\u00e7alan\u0131r<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> 0,08 gr\/L<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Etanol, eter, aseton ve di\u011fer organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 3,2 (ilk ayr\u0131\u015fma) ve 4,4 (ikinci ayr\u0131\u015fma)<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> 7,4 (%0,1 konsantrasyonda)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Floresans\u0131n g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h5>\n<p> Floresan&#8217;\u0131n genellikle t\u0131bbi te\u015fhislerde ve di\u011fer uygulamalarda kullan\u0131lmas\u0131 g\u00fcvenli kabul edilir. Ancak g\u00f6z ve cilt tahri\u015fine neden olabilece\u011fi gibi tozun solunmas\u0131 da solunum yollar\u0131n\u0131n tahri\u015f olmas\u0131na neden olabilir. B\u00fcy\u00fck miktarlarda fluoresein yutulmas\u0131 mide-ba\u011f\u0131rsak tahri\u015fine ve kusmaya neden olabilir. Floresans\u0131n dikkatli bir \u015fekilde ele al\u0131nmas\u0131 ve eldiven ve g\u00f6z korumas\u0131 gibi uygun koruyucu ekipmanlar\u0131n kullan\u0131lmas\u0131 \u00f6nemlidir. Cilt veya g\u00f6z ile temas\u0131 halinde etkilenen b\u00f6lge bol su ile y\u0131kanmal\u0131d\u0131r. Floresan&#8217;\u0131n herhangi bir \u015fekilde yutulmas\u0131 veya solunmas\u0131, t\u0131bbi acil bir durum olarak ele al\u0131nmal\u0131 ve derhal t\u0131bbi yard\u0131m aranmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> Hi\u00e7biri<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Is\u0131 kaynaklar\u0131ndan, k\u0131v\u0131lc\u0131mlardan ve alevlerden uzak tutun. Teneff\u00fcs etmekten, yutmaktan ve cilt ve g\u00f6zlerle temas\u0131ndan ka\u00e7\u0131n\u0131n.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> UN2811<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 3204.19.90<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 6.1<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> III<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> Floresein d\u00fc\u015f\u00fck d\u00fczeyde toksisiteye sahiptir ve \u00f6nemli bir sa\u011fl\u0131k riski olu\u015fturdu\u011fu d\u00fc\u015f\u00fcn\u00fclmemektedir. Kanserojen, mutajenik veya \u00fcreme a\u00e7\u0131s\u0131ndan toksik olarak s\u0131n\u0131fland\u0131r\u0131lmam\u0131\u015ft\u0131r. Ancak ciltte, g\u00f6zlerde ve solunum sisteminde tahri\u015fe neden olabilir. B\u00fcy\u00fck miktarlarda yutulmas\u0131 mide-ba\u011f\u0131rsak tahri\u015fine ve kusmaya neden olabilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Floresein sentez y\u00f6ntemleri<\/strong><\/h5>\n<p> Floresein sentezlemek i\u00e7in \u00e7e\u015fitli y\u00f6ntemler vard\u0131r, ancak en yayg\u0131n olan\u0131, s\u00fclf\u00fcrik asit gibi g\u00fc\u00e7l\u00fc bir asit kataliz\u00f6r\u00fcn\u00fcn varl\u0131\u011f\u0131nda ftalik anhidrit ve rezorsinol aras\u0131ndaki reaksiyonu i\u00e7erir. Reaksiyon, floresans olu\u015fumuna yol a\u00e7an bir dizi ara ad\u0131mdan ge\u00e7erek ilerler.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, sodyum hidroksit gibi bir bazik kataliz\u00f6r varl\u0131\u011f\u0131nda ftalik anhidrit ile resorsinol aras\u0131ndaki reaksiyonu i\u00e7erir. Asit katalizli y\u00f6ntem bundan daha fazla kullan\u0131lmaktad\u0131r.<\/p>\n<p> Bu y\u00f6ntemlere ek olarak floresans sentezlemek i\u00e7in \u00e7e\u015fitli de\u011fi\u015ftirilmi\u015f prosed\u00fcrler de vard\u0131r. Mikrodalga \u0131\u015f\u0131n\u0131m\u0131n\u0131n kullan\u0131lmas\u0131 reaksiyon s\u00fcresini azaltabilir ve \u00fcr\u00fcn verimini art\u0131rabilir. Di\u011fer bir de\u011fi\u015fiklik, reaksiyonun se\u00e7icili\u011fini art\u0131rabilen ve \u00fcretilen at\u0131k miktar\u0131n\u0131 azaltabilen, reaksiyon i\u00e7in \u00e7\u00f6z\u00fcc\u00fc olarak iyonik s\u0131v\u0131lar\u0131n kullan\u0131lmas\u0131d\u0131r.<\/p>\n<p> Kullan\u0131lan y\u00f6ntem ne olursa olsun, floresan sentezi, y\u00fcksek \u00fcr\u00fcn verimi ve safl\u0131k sa\u011flamak i\u00e7in s\u0131cakl\u0131k, konsantrasyon ve reaksiyon s\u00fcresi gibi reaksiyon ko\u015fullar\u0131n\u0131n dikkatli bir \u015fekilde kontrol edilmesini gerektirir. Ortaya \u00e7\u0131kan floresan, arzu edilen safl\u0131k seviyesine ba\u011fl\u0131 olarak yeniden kristalle\u015ftirme veya kolon kromatografisi yoluyla safla\u015ft\u0131r\u0131labilir.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Floresan Kullan\u0131m\u0131<\/strong><\/h5>\n<p> Floresan \u00f6zelliklerinden dolay\u0131 floresan \u00e7e\u015fitli uygulamalarda \u00e7ok y\u00f6nl\u00fc kullan\u0131m alan\u0131 bulur. Yayg\u0131n kullan\u0131mlar\u0131ndan baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li> T\u0131bbi te\u015fhis: Oftalmolojide kornea a\u015f\u0131nmalar\u0131n\u0131, yabanc\u0131 cisimleri ve di\u011fer g\u00f6z rahats\u0131zl\u0131klar\u0131n\u0131 te\u015fhis etmek i\u00e7in kullan\u0131l\u0131r. Anjiyografide kan damarlar\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemek i\u00e7in ve dermatolojide cilt rahats\u0131zl\u0131klar\u0131n\u0131 te\u015fhis etmek i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li> Floresan Mikroskopisi: Proteinler, n\u00fckleik asitler ve membranlar gibi biyolojik molek\u00fclleri ve yap\u0131lar\u0131 i\u015faretlemek ve g\u00f6rselle\u015ftirmek i\u00e7in mikroskopide floresan boya olarak kullan\u0131l\u0131r.<\/li>\n<li> Biyokimya: Enzim aktivitesi ve ligand ba\u011flanmas\u0131 gibi biyokimyasal s\u00fcre\u00e7leri incelemek i\u00e7in prob olarak kullan\u0131l\u0131r. PH g\u00f6stergesi olarak kullan\u0131l\u0131r.<\/li>\n<li> Su \u0130zleme: Nehirler, g\u00f6ller ve yeralt\u0131 suyundaki su hareketini ve ak\u0131\u015f d\u00fczenlerini incelemek i\u00e7in hidrolojide izleyici olarak kullan\u0131l\u0131r.<\/li>\n<li> Kalite Kontrol: Sabun, deterjan ve tekstil gibi \u00fcr\u00fcnlerin kalite kontrol ve testlerinde floresan boya olarak kullan\u0131l\u0131r.<\/li>\n<li> Sanat ve E\u011flence: Sanat ve e\u011flencede neon ve siyah \u0131\u015f\u0131k efektleri olu\u015fturmak i\u00e7in floresan pigment olarak kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<p> Genel olarak, floresan\u0131n floresan \u00f6zellikleri, onu t\u0131bbi te\u015fhislerden bilimsel ara\u015ft\u0131rmalara ve \u00f6tesine kadar geni\u015f bir uygulama yelpazesinde de\u011ferli bir ara\u00e7 haline getirmektedir.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h5>\n<p> S: Floresan anjiyografi nedir?<\/p>\n<p> C: Floresein anjiyografi, g\u00f6zdeki kan damarlar\u0131n\u0131 g\u00f6rselle\u015ftirmek i\u00e7in kullan\u0131lan t\u0131bbi bir g\u00f6r\u00fcnt\u00fcleme tekni\u011fidir. Bu, floresein gibi bir floresan boyan\u0131n koldaki bir damara enjekte edilmesini ve ard\u0131ndan boya kan damarlar\u0131nda dola\u015f\u0131rken g\u00f6z\u00fcn foto\u011fraf\u0131n\u0131 \u00e7ekmeyi i\u00e7erir.<\/p>\n<p> S: Floresan boyama nedir?<\/p>\n<p> C: Floresein boyama, kornea a\u015f\u0131nmalar\u0131n\u0131 ve di\u011fer g\u00f6z yaralanmalar\u0131n\u0131 tespit etmek i\u00e7in kullan\u0131lan t\u0131bbi bir te\u015fhis arac\u0131d\u0131r. Bu, g\u00f6ze birka\u00e7 damla floresan sol\u00fcsyonu damlatmay\u0131 i\u00e7erir, bu daha sonra hasarl\u0131 h\u00fccrelere ba\u011flan\u0131r ve mavi \u0131\u015f\u0131k alt\u0131nda g\u00f6r\u00fcn\u00fcr hale gelir.<\/p>\n<p> S: Floresein boyas\u0131 nedir?<\/p>\n<p> C: T\u0131bbi ve bilimsel uygulamalarda ara\u015ft\u0131rmac\u0131lar, floresan \u00f6zelliklerinden dolay\u0131 proteinler, n\u00fckleik asitler ve zarlar gibi biyolojik molek\u00fclleri ve yap\u0131lar\u0131 i\u015faretlemek ve g\u00f6rselle\u015ftirmek i\u00e7in genellikle floresan boyay\u0131 kullan\u0131rlar.<\/p>\n<p> S: Floresein g\u00f6z tonu nedir?<\/p>\n<p> C: Floresein g\u00f6z lekesi, kornea a\u015f\u0131nmalar\u0131n\u0131 ve di\u011fer g\u00f6z yaralanmalar\u0131n\u0131 tespit etmek i\u00e7in kullan\u0131lan t\u0131bbi bir te\u015fhis arac\u0131d\u0131r. Bu, g\u00f6ze birka\u00e7 damla floresan sol\u00fcsyonu damlatmay\u0131 i\u00e7erir, bu daha sonra hasarl\u0131 h\u00fccrelere ba\u011flan\u0131r ve mavi \u0131\u015f\u0131k alt\u0131nda g\u00f6r\u00fcn\u00fcr hale gelir.<\/p>\n<p> S: Floresein tozunu nereden sat\u0131n alabilirim?<\/p>\n<p> C: Floresein tozu \u00e7e\u015fitli kimyasal tedarik\u00e7ilerinden hem \u00e7evrimi\u00e7i hem de \u015fahsen sat\u0131n al\u0131nabilir. Tedarik\u00e7inin sayg\u0131n olmas\u0131n\u0131 ve \u00fcr\u00fcn\u00fcn y\u00fcksek safl\u0131k ve kalitede olmas\u0131n\u0131 sa\u011flamak \u00f6nemlidir. Floresein tozu sunan kimyasal tedarik\u00e7ilerin \u00f6rnekleri aras\u0131nda Sigma-Aldrich, Fisher Scientific ve Alfa Aesar bulunmaktad\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Floresein, ultraviyole radyasyona maruz kald\u0131\u011f\u0131nda ye\u015fil \u0131\u015f\u0131k yayan floresan bir bile\u015fiktir. Kornea a\u015f\u0131nmalar\u0131n\u0131 tespit etmek i\u00e7in t\u0131bbi te\u015fhislerde ve \u00e7evresel izlemede yayg\u0131n olarak kullan\u0131l\u0131r. IUPAC Ad\u0131 3H-ksanten-3-on, floresan Molek\u00fcler form\u00fcl C20H12O5 CAS numaras\u0131 2321-07-5 E\u015f anlaml\u0131 CI45350; Uranin; D ve C sar\u0131 no. 7; Floresein; Resorsinolftalein; \u00c7\u00f6z\u00fcc\u00fc Sar\u0131 94; 3&#8242;,6&#8242;-dihidroksifloran; NSC 29321 InChI InChI=1S\/C20H12O5\/c21-15-9-5-12(6-10-15)18-14(20(24)25)4-8-17(23)19(18)13-3-1- 2-11(7-13)16(22)C20H12O5\/c21-15-9-5-12(6-10-15)18-14(20(24)25)4-8-17(23)19( &#8230; <a title=\"Floresein \u2013 c20h12o5, 2321-07-5\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/floresan-c20h12o5\/\" aria-label=\"More on Floresein \u2013 c20h12o5, 2321-07-5\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Floresein - C20H12O5, 2321-07-5<\/title>\n<meta name=\"description\" content=\"Floresein, ultraviyole radyasyona maruz kald\u0131\u011f\u0131nda ye\u015fil \u0131\u015f\u0131k yayan floresan bir bile\u015fiktir. 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