{"id":227775,"date":"2025-07-24T06:35:28","date_gmt":"2025-07-24T02:35:28","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=227775","title":{"rendered":"Qocalm\u0131\u015f d\u0259rid\u0259 q\u0131r\u0131\u015flar nec\u0259 \u0259m\u0259l\u0259 g\u0259lir"},"content":{"rendered":"

Ya\u015fland\u0131qca d\u0259ri t\u0259zyiq alt\u0131nda uzan\u0131r, büzülür v\u0259 deformasiyaya u\u011fray\u0131r – Binghamton Universitetind\u0259 apar\u0131lan ara\u015fd\u0131rmaya gör\u0259 q\u0131r\u0131\u015flar bel\u0259 \u0259m\u0259l\u0259 g\u0259lir.<\/strong><\/p>\n

Ucnoqta.az x\u0259b\u0259r verir ki, ilk d\u0259f\u0259 edil\u0259n t\u0259crüb\u0259nin n\u0259tic\u0259l\u0259ri “Journal of Mechanical Behavior of Biomedical Materials” jurnal\u0131nda d\u0259rc olunub.
\nAliml\u0259r insan d\u0259risi nümun\u0259l\u0259rini ara\u015fd\u0131raraq, ya\u015fla d\u0259rinin q\u0131r\u0131\u015flara daha çox meylli oldu\u011funu a\u015fkar edibl\u0259r. Bu d\u0259yi\u015fiklik t\u0259kc\u0259 bioloji prosesl\u0259r\u0259 deyil, h\u0259m d\u0259 fiziki prosesl\u0259r\u0259 \u0259saslan\u0131r. Sevimli köyn\u0259yinizi t\u0259s\u0259vvür edin. Uzun ill\u0259r geyindikd\u0259n sonra müxt\u0259lif yerl\u0259rd\u0259 uzan\u0131r. Eyni \u015fey d\u0259ri il\u0259 olur.<\/p>\n

Biotibbi müh\u0259ndis Qay Herman deyir: "Bu, art\u0131q sad\u0259c\u0259 bir n\u0259z\u0259riyy\u0259 deyil. \u0130ndi qocalman\u0131n fiziki mexanizmi il\u0259 ba\u011fl\u0131 ayd\u0131n eksperimental sübutlar\u0131m\u0131z var".
\nD\u0259rinin qocalmas\u0131n\u0131n s\u0259b\u0259bl\u0259ri kimi bir çox müxt\u0259lif amill\u0259r t\u0259klif edilmi\u015fdir – m\u0259s\u0259l\u0259n, genetika, patoloji v\u0259ziyy\u0259tl\u0259r v\u0259 gün\u0259\u015f i\u015f\u0131\u011f\u0131n\u0131n z\u0259d\u0259l\u0259nm\u0259si. Kompüter modell\u0259\u015fdirm\u0259sind\u0259n istifad\u0259 edil\u0259n \u0259vv\u0259lki t\u0259dqiqatlar kollagen v\u0259 elastin ehtiva ed\u0259n v\u0259 struktur d\u0259st\u0259yi t\u0259min ed\u0259n dermal t\u0259b\u0259q\u0259nin mexaniki xüsusiyy\u0259tl\u0259rind\u0259 v\u0259 strukturunda ya\u015fla ba\u015f ver\u0259n d\u0259yi\u015fiklikl\u0259ri göst\u0259rmi\u015fdir. Lakin indiy\u0259d\u0259k bu m\u0259lumatlar eksperimental olaraq t\u0259sdiql\u0259nm\u0259yib.<\/p>\n

Herman bu ara\u015fd\u0131rman\u0131 h\u0259yat\u0131n\u0131n m\u0259qs\u0259dl\u0259rind\u0259n biri hesab edir – d\u0259ri mexanikas\u0131n\u0131n "Müq\u0259dd\u0259s Grail"ind\u0259n ba\u015fqa heç n\u0259 yoxdur. Kosmetika s\u0259nayesi o q\u0259d\u0259r çox müxt\u0259lif qocalma \u0259leyhin\u0259 m\u0259hsullar istehsal edir ki, hans\u0131n\u0131n i\u015fl\u0259diyini v\u0259 hans\u0131n\u0131n axmaq ola bil\u0259c\u0259yini anlamaq h\u0259qiq\u0259t\u0259n ç\u0259tindir.<\/p>\n

O v\u0259 h\u0259mkarlar\u0131 16-91 ya\u015f aras\u0131 insanlar\u0131n d\u0259risinin kiçik zolaqlar\u0131n\u0131 uzatmaq üçün a\u015fa\u011f\u0131 yüklü g\u0259rginlikölç\u0259nl\u0259 silahlan\u0131b, d\u0259rid\u0259ki t\u0259bii g\u0259rginliyi simulyasiya edibl\u0259r. Onlar mü\u0259yy\u0259n edibl\u0259r ki, d\u0259ri bir istiqam\u0259t\u0259 uzananda dig\u0259r t\u0259r\u0259f\u0259 daral\u0131r. Amma ya\u015fla bu daralma art\u0131r v\u0259 bu da q\u0131r\u0131\u015flar\u0131n yaranmas\u0131na s\u0259b\u0259b olur.<\/p>\n

"M\u0259s\u0259l\u0259n, saqq\u0131z parças\u0131n\u0131 uzatsan\u0131z, o, üfüqi olaraq geni\u015fl\u0259n\u0259c\u0259k, lakin eyni zamanda dig\u0259r istiqam\u0259td\u0259 daralacaq – daha inc\u0259l\u0259\u015f\u0259c\u0259k. Eyni \u015fey d\u0259ri il\u0259 d\u0259 ba\u015f verir", – Herman müqayis\u0259 edir.
\n– Ya\u015fla bu daralma art\u0131r. V\u0259 d\u0259ri çox s\u0131x\u0131l\u0131rsa, deformasiyaya u\u011fray\u0131r. Q\u0131r\u0131\u015flar bel\u0259 \u0259m\u0259l\u0259 g\u0259lir”.<\/p>\n

Müh\u0259ndis deyir ki, g\u0259nclik dövründ\u0259 d\u0259ri mü\u0259yy\u0259n mexaniki xüsusiyy\u0259tl\u0259r\u0259 malikdir, lakin ya\u015fla onlar d\u0259yi\u015fir v\u0259 daha az dayan\u0131ql\u0131 olurlar.
\n“B\u0259zi prosesl\u0259r pozulur v\u0259 bel\u0259 ç\u0131x\u0131r ki, d\u0259ri daha çox yana do\u011fru uzanma\u011fa ba\u015flay\u0131r ki, bu da q\u0131r\u0131\u015flar\u0131n yaranmas\u0131na s\u0259b\u0259b olur.
\nS\u0259b\u0259b is\u0259 d\u0259rinin \u0259vv\u0259lc\u0259 g\u0259rginlikd\u0259n azad olmamas\u0131d\u0131r – art\u0131q bir az dart\u0131l\u0131b. Y\u0259ni d\u0259rid\u0259 q\u0131r\u0131\u015flar\u0131n \u0259m\u0259l\u0259 g\u0259lm\u0259sinin h\u0259r\u0259k\u0259tverici qüvv\u0259sin\u0259 çevril\u0259n daxili qüvv\u0259l\u0259r var”, – o davam edir.
\nUzun müdd\u0259t gün\u0259\u015f\u0259 m\u0259ruz qalma n\u0259tic\u0259sind\u0259 yaranan erk\u0259n qocalma d\u0259rid\u0259 t\u0259bii ya\u015flanma il\u0259 eyni t\u0259sir\u0259 malik ola bil\u0259r.
\nT\u0259dqiqat d\u0259rinin qocalmas\u0131 n\u0259z\u0259riyy\u0259sini f\u0259rziyy\u0259 sah\u0259sind\u0259n sübuta \u0259saslanan elm sah\u0259sin\u0259 apar\u0131r ki, bu da daha t\u0259sirli ya\u015flanma \u0259leyhin\u0259 m\u0259hsullar\u0131n haz\u0131rlanmas\u0131na köm\u0259k ed\u0259 bil\u0259r.
\n <\/p>\n","protected":false},"excerpt":{"rendered":"

Ya\u015fland\u0131qca d\u0259ri t\u0259zyiq alt\u0131nda uzan\u0131r, büzülür v\u0259 deformasiyaya u\u011fray\u0131r – Binghamton Universitetind\u0259 apar\u0131lan ara\u015fd\u0131rmaya gör\u0259 q\u0131r\u0131\u015flar bel\u0259 \u0259m\u0259l\u0259 g\u0259lir. Ucnoqta.az x\u0259b\u0259r verir ki, ilk d\u0259f\u0259 edil\u0259n t\u0259crüb\u0259nin n\u0259tic\u0259l\u0259ri “Journal of…<\/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":[100],"tags":[],"class_list":["post-227775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diger"],"_links":{"self":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/227775","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=227775"}],"version-history":[{"count":0,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/227775\/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=227775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}