{"id":511,"date":"2020-10-13T13:48:08","date_gmt":"2020-10-13T10:48:08","guid":{"rendered":"https:\/\/opik.digifi.eu\/?p=511"},"modified":"2021-08-21T21:15:56","modified_gmt":"2021-08-21T18:15:56","slug":"5-1-juuste-struktuur","status":"publish","type":"post","link":"https:\/\/opik.juuksurikool.ee\/?p=511","title":{"rendered":"5.1 JUUSTE STRUKTUUR"},"content":{"rendered":"\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile is-vertically-aligned-bottom\" style=\"grid-template-columns:auto 15%\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"http:\/\/juuksur.innove.ee\/img\/chapter5\/4.png\" alt=\"\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Valgud ehk\u00a0<strong>proteiinid\u00a0<\/strong>on looduse \u00fcheks p\u00f5hiliseks ehitusmaterjaliks. Valgud koosnevad aminohapete molekulidest, mis on otsiti liitunud ja moodustavad pikki valkude ahelaid.<br>Ka juuksed koosnevad valkudest, nende valkude ahelad on kas\u00a0<strong>korrap\u00e4rase spiraalse vormiga<\/strong>\u00a0v\u00f5i siis\u00a0<strong>korrap\u00e4ratult keerdunud vormiga<\/strong>.<br>M\u00f5lemad valkude esinemise vormid on stabiilsed t\u00e4nu mitmesugustele\u00a0<strong>seesmistele sidemetele ehk sildadele molekulide vahel<\/strong>. <strong>Sillad<\/strong> ja <strong>sidemed<\/strong> pole \u00fcks ja seesama. Kui kujutada ette, et juukse sees on aminohapete ahelad nagu redelid, siis <strong>sillad<\/strong> on redeli pulgad (astmed), mille asetus ja asetuse muutmine m\u00e4\u00e4rab \u00e4ra juukse kuju, <strong>sidemed<\/strong> on need redeli osad, kuhu <strong>sillad <\/strong>saavad kinnituda. Tegemist on selle osaga juukses, millest algab juukse tervis.\u00a0<\/p>\n\n\n\n<p>Osa <strong>sildadest<\/strong> on tundlikud vee suhtes ja n\u00f5rgenevad, kui juuksed saavad m\u00e4rjaks, mist\u00f5ttu valguspiraalid h\u00f5renevad ja juuksed n\u00e4ivad kasvavat pikemaks. Kui juuksed kuivavad, siis niiskuse suhtes tundlikud sillad \u00fchinevad taas ja tihendavad valguspiraale uuesti, l\u00fchendades sellega juuste pikkust.<br>Juuksekarv moodustub keratiniseerunud rakkudest, mille struktuur koosneb\u00a0<strong>kolme t\u00fc\u00fcpi sildadest<\/strong>. Selleks, et muuta juukse olemust, tuleb m\u00f5jutada just neid sildasid.<\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/juuksur.innove.ee\/img\/chapter5\/5.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>Mitte k\u00f5ik aminohapped valgu spiraalses ahelas ei ole \u00fched ja samad. M\u00f5ned aminohapped sisaldavad v\u00e4\u00e4vlit. Nendel juhtudel, kui v\u00e4\u00e4vlit sisaldavad aminohapped asetsevad \u00fcksteise l\u00e4hedal, moodustavad nad omavahel\u00a0<strong>v\u00e4\u00e4vel- ehk disulfiidsilla<\/strong>d.<br>Juuste struktuuri p\u00fcsimuutmise k\u00e4igus keeratakse juuksed lokirullide \u00fcmber ja, lokivedeliku pealekandmisel rullidele, l\u00f5hutakse v\u00e4\u00e4velsillad keemiliselt. Rullikeeramise k\u00e4igus satuvad m\u00f5ned v\u00e4\u00e4vlit sisaldavad\u00a0<strong>aminohapped<\/strong>\u00a0\u00fcksteisele l\u00e4hemale \u2013 need moodustavadki\u00a0<strong>neutraliseerimise\u00a0<\/strong>k\u00e4igus uusi keemilisi sildasid. Moodustunud uued v\u00e4\u00e4velsillad annavad juustele uuenenud ja p\u00fcsiva vormi.<\/p>\n\n\n\n<p><strong>Vesiniksildasid<\/strong> saab m\u00f5jutada temperatuuri ja veega. Seep\u00e4rast peab soenguid tehes kuumust kasutama.<br>Kui juus kuivab v\u00f5i jahtub, taastuvad vesiniksillad uue \u2013 neile antud kujuga<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/juuksur.innove.ee\/img\/chapter5\/6.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>Kolmandat t\u00fc\u00fcpi sildasid\/sidemeid, mida kutsutakse&nbsp;<strong>soolasildadeks,<\/strong>&nbsp;saab m\u00f5jutada juuste&nbsp;<strong>pH<\/strong>&nbsp;taseme muutmisega.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Valgud ehk\u00a0proteiinid\u00a0on looduse \u00fcheks p\u00f5hiliseks ehitusmaterjaliks. Valgud koosnevad aminohapete molekulidest, mis on otsiti liitunud ja moodustavad pikki valkude ahelaid.Ka juuksed koosnevad valkudest, nende valkude ahelad on kas\u00a0korrap\u00e4rase spiraalse vormiga\u00a0v\u00f5i siis\u00a0korrap\u00e4ratult keerdunud vormiga.M\u00f5lemad valkude esinemise vormid on stabiilsed t\u00e4nu mitmesugustele\u00a0seesmistele sidemetele ehk sildadele molekulide vahel. Sillad ja sidemed pole \u00fcks ja seesama. Kui kujutada ette, et [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-511","post","type-post","status-publish","format-standard","hentry","category-pusilokkide-tegemine"],"_links":{"self":[{"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=511"}],"version-history":[{"count":3,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":1922,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=\/wp\/v2\/posts\/511\/revisions\/1922"}],"wp:attachment":[{"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opik.juuksurikool.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}