{"id":227951,"date":"2025-07-28T06:33:03","date_gmt":"2025-07-28T02:33:03","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T20:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/ucnoqta.az\/?p=227951","title":{"rendered":"Qablar \u00fc\u00e7\u00fcn t\u0259hl\u00fck\u0259siz yap\u0131\u015fmayan \u00f6rt\u00fck haz\u0131rlan\u0131b"},"content":{"rendered":"

Toronto Universitetind\u0259 qablar v\u0259 dig\u0259r t\u0259tbiql\u0259r üçün yap\u0131\u015fmayan örtük kimi istifad\u0259 üçün t\u0259hlük\u0259siz material yarad\u0131l\u0131b. <\/strong><\/p>\n

Ucnoqta.az x\u0259b\u0259r verir ki, ixtira Nature Communications-da t\u0259svir edilmi\u015fdir.
\nBu madd\u0259 suyu v\u0259 ya\u011f\u0131 dem\u0259k olar ki, adi yap\u0131\u015fmayan örtükl\u0259r kimi effektiv \u015f\u0259kild\u0259 d\u0259f edir, lakin \u0259h\u0259miyy\u0259tli d\u0259r\u0259c\u0259d\u0259 daha az per- v\u0259 poliftoralkil birl\u0259\u015fm\u0259l\u0259ri (PFAS) – sa\u011flaml\u0131q v\u0259 \u0259traf mühit üçün t\u0259hlük\u0259li olan kimy\u0259vi madd\u0259l\u0259r ail\u0259sind\u0259n ibar\u0259tdir.<\/p>\n

PFAS niy\u0259 t\u0259hlük\u0259lidir?<\/strong>
\n1930-cu ill\u0259rin sonlar\u0131nda ixtira edildiyi vaxtdan daha çox Teflon kimi tan\u0131nan politetrafloroetilen suyu, ya\u011f\u0131 v\u0259 ya\u011f\u0131 d\u0259f etm\u0259k qabiliyy\u0259ti il\u0259 m\u0259\u015fhurla\u015fd\u0131. O, PFAS adlanan madd\u0259l\u0259r ail\u0259sin\u0259 v\u0259 ya molekullar\u0131 flüor atomlar\u0131na ba\u011flanm\u0131\u015f karbon atomlar\u0131n\u0131n z\u0259ncirl\u0259rind\u0259n ibar\u0259t olan flüor t\u0259rkibli madd\u0259l\u0259r\u0259 aiddir.<\/p>\n

Karbon-flüor ba\u011f\u0131n\u0131n t\u0259sirsizliyi PFAS-a yap\u0131\u015fmayan xass\u0259l\u0259rini ver\u0259n \u015feydir, eyni zamanda onlar\u0131 \u0259traf mühitd\u0259 parçalanmas\u0131na mane olan v\u0259 onlara "\u0259b\u0259di kimy\u0259vi madd\u0259l\u0259r" l\u0259q\u0259bini qazand\u0131ran \u015feydir. PFAS h\u0259mçinin canl\u0131 toxumada toplan\u0131r, qida z\u0259ncirind\u0259 yuxar\u0131ya do\u011fru h\u0259r\u0259k\u0259t etdikc\u0259 konsentrasiyalar\u0131 art\u0131r.<\/p>\n

T\u0259dqiqatlar PFAS-a yüks\u0259k s\u0259viyy\u0259li m\u0259ruz qalma\u011f\u0131 mü\u0259yy\u0259n x\u0259rç\u0259ngl\u0259r, do\u011fu\u015f qüsurlar\u0131 v\u0259 dig\u0259r sa\u011flaml\u0131q probleml\u0259ri il\u0259 \u0259laq\u0259l\u0259ndirdi, uzun z\u0259ncirli PFAS \u0259n t\u0259hlük\u0259lidir.
\nRiskl\u0259r\u0259 baxmayaraq, alternativl\u0259rin olmamas\u0131 PFAS-\u0131 h\u0259r yerd\u0259 t\u0259tbiq etdi: Onlar yaln\u0131z yem\u0259k qablar\u0131nda deyil, h\u0259m d\u0259 suya davaml\u0131 parçalarda, qida qabla\u015fd\u0131rmalar\u0131nda v\u0259 h\u0259tta kosmetikada istifad\u0259 olunur.<\/p>\n

Yeni texnologiya nec\u0259 i\u015fl\u0259yir?<\/strong>
\n"PFAS-a alternativ olaraq, silikon kimi tan\u0131nan polidimetilsiloksan (PDMS) il\u0259 i\u015fl\u0259dik" dedi Golovin. "T\u0259rkibind\u0259n as\u0131l\u0131 olaraq, biouy\u011fun ola bil\u0259r – h\u0259tta tibbi implantlarda da istifad\u0259 olunur. Ancaq indiy\u0259 q\u0259d\u0259r biz onu PFAS q\u0259d\u0259r yax\u015f\u0131 performans göst\u0259r\u0259 bilm\u0259dik."<\/p>\n

Bu problemi h\u0259ll etm\u0259k üçün aspirant Samuel Au “nanobeam fletching” adland\u0131rd\u0131\u011f\u0131 yeni kimya metodu il\u0259 ç\u0131x\u0131\u015f etdi.
\nYeni örtük n\u0259 d\u0259r\u0259c\u0259d\u0259 effektivdir?
\nAliml\u0259r material\u0131 parçaya t\u0259tbiq ed\u0259r\u0259k onun müxt\u0259lif ya\u011flar\u0131 d\u0259f etm\u0259 qabiliyy\u0259tini s\u0131naqdan keçiribl\u0259r. Amerika Tekstil Kimyaç\u0131lar\u0131 v\u0259 R\u0259ngçil\u0259ri Assosiasiyas\u0131n\u0131n miqyas\u0131nda örtük bir çox kommersiya PFAS örtükl\u0259ri il\u0259 müqayis\u0259 edil\u0259 bil\u0259n 6 reytinqi ald\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"

Toronto Universitetind\u0259 qablar v\u0259 dig\u0259r t\u0259tbiql\u0259r üçün yap\u0131\u015fmayan örtük kimi istifad\u0259 üçün t\u0259hlük\u0259siz material yarad\u0131l\u0131b.  Ucnoqta.az x\u0259b\u0259r verir ki, ixtira Nature Communications-da t\u0259svir edilmi\u015fdir. Bu madd\u0259 suyu v\u0259 ya\u011f\u0131 dem\u0259k…<\/p>\n","protected":false},"author":1,"featured_media":251278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-227951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cemiyyet"],"_links":{"self":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/227951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227951"}],"version-history":[{"count":0,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/227951\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/media\/251278"}],"wp:attachment":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}