{"id":65691,"date":"2026-08-06T16:59:22","date_gmt":"2026-08-06T20:59:22","guid":{"rendered":"https:\/\/rheolution.com\/?p=65691"},"modified":"2026-08-17T12:05:00","modified_gmt":"2026-08-17T16:05:00","slug":"testes-mecanicos-dos-geis-de-alginato-da-cellink","status":"publish","type":"post","link":"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/","title":{"rendered":"Caracteriza\u00e7\u00e3o da viscoelasticidade dos g\u00e9is de alginato Cellink utilizando o ElastoSens\u2122 Bio"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65691\" class=\"elementor elementor-65691 elementor-19866\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81e16fe e-flex e-con-boxed e-con e-parent\" data-id=\"81e16fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e305515 elementor-widget elementor-widget-heading\" data-id=\"e305515\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Nota de Aplica\u00e7\u00e3o | ElastoSens\u2122 Bio<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57e1fd2 elementor-widget elementor-widget-heading\" data-id=\"57e1fd2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Reticula\u00e7\u00e3o de hidrogel de alginato: caracteriza\u00e7\u00e3o da viscoelasticidade com o ElastoSens\u2122 Bio\n\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9630589 elementor-widget elementor-widget-text-editor\" data-id=\"9630589\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Em colabora\u00e7\u00e3o com<\/p><p><img decoding=\"async\" data-recalc-dims=\"1\" class=\"alignnone size-medium wp-image-32682\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=300%2C64&#038;ssl=1\" alt=\"\" width=\"300\" height=\"64\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?w=812&amp;ssl=1 812w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=300%2C64&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=768%2C163&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=800%2C172&amp;ssl=1 800w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=260%2C55&amp;ssl=1 260w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=50%2C11&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Logotype_RGB_Cellink_Blue.png?resize=150%2C32&amp;ssl=1 150w\" sizes=\"(max-width:767px) 300px, 300px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b20e5e5 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"b20e5e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">AVISO<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c08d49 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"4c08d49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Este estudo \u00e9 fruto de uma colabora\u00e7\u00e3o conjunta entre <a href=\"https:\/\/rheolution.com\/life-sciences\/\" target=\"_blank\" rel=\"noopener\">a Rheolution<\/a> (Montreal, QC, Canad\u00e1) e <a href=\"https:\/\/www.cellink.com\/\" target=\"_blank\" rel=\"noopener\">a CELLINK<\/a> (Boston, MA, EUA).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b661485 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"b661485\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Resumo<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-306809e elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"306809e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>O alginato \u00e9 um biomaterial natural obtido a partir de algas, amplamente utilizado para a administra\u00e7\u00e3o de c\u00e9lulas e prote\u00ednas, bem como em aplica\u00e7\u00f5es de engenharia de tecidos.<\/li><li>O alginato sofre reticula\u00e7\u00e3o r\u00e1pida na presen\u00e7a de c\u00e1tions multivalentes (por exemplo, Ca\u00b2\u207a) em solu\u00e7\u00f5es aquosas, resultando em um hidrogel com propriedades mec\u00e2nicas ajust\u00e1veis.<\/li><li>A concentra\u00e7\u00e3o mais baixa da solu\u00e7\u00e3o de cloreto de c\u00e1lcio provocou incha\u00e7o e resultou em uma reticula\u00e7\u00e3o mais lenta dos g\u00e9is de alginato.<\/li><li>A maior concentra\u00e7\u00e3o da solu\u00e7\u00e3o de cloreto de c\u00e1lcio proporcionou uma reticula\u00e7\u00e3o r\u00e1pida, resultando no encolhimento dos g\u00e9is de alginato.<\/li><li>A maior concentra\u00e7\u00e3o da solu\u00e7\u00e3o de cloreto de c\u00e1lcio resultou em g\u00e9is de alginato mais r\u00edgidos.<\/li><li>Os hidrog\u00e9is de alginato podem se dissolver quando incubados em uma solu\u00e7\u00e3o salina sem cloreto de c\u00e1lcio (por exemplo, PBS).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f5e32b2 e-flex e-con-boxed e-con e-parent\" data-id=\"f5e32b2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5475cad elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"5475cad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Aplica\u00e7\u00f5es do hidrogel de alginato e mecanismos de reticula\u00e7\u00e3o\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cda27b1 elementor-widget elementor-widget-heading\" data-id=\"cda27b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Introdu\u00e7\u00e3o<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e607aad elementor-widget elementor-widget-text-editor\" data-id=\"e607aad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O alginato \u00e9 um polissacar\u00eddeo presente como componente estrutural das algas e como componente capsular das bact\u00e9rias do solo. Esse polissacar\u00eddeo \u00e9 normalmente obtido a partir de algas marrons e utilizado em diversos setores, como o m\u00e9dico, o farmac\u00eautico, o aliment\u00edcio e o t\u00eaxtil, devido \u00e0s suas propriedades viscosificantes, gelificantes e estabilizantes. O alginato pode sofrer reticula\u00e7\u00e3o rapidamente na presen\u00e7a de c\u00e1tions multivalentes (por exemplo, Ca\u00b2\u207a) em solu\u00e7\u00f5es aquosas, resultando em um hidrogel com propriedades mec\u00e2nicas ajust\u00e1veis. Esse processo simples e econ\u00f4mico, aliado \u00e0 sua capacidade de reter grandes quantidades de l\u00edquido, torna o alginato um biomaterial valioso para aplica\u00e7\u00f5es biotecnol\u00f3gicas, como a administra\u00e7\u00e3o de medicamentos e c\u00e9lulas e a engenharia de tecidos [1].   <\/p><p>Os hidrog\u00e9is de alginato podem ser injetados no corpo ou implantados em um formato pr\u00e9-moldado. No \u00faltimo caso, o alginato tem sido frequentemente processado por meio de impress\u00e3o 3D baseada em extrus\u00e3o, o que requer um processo de gelifica\u00e7\u00e3o r\u00e1pido. O polissacar\u00eddeo oferece gelifica\u00e7\u00e3o r\u00e1pida em condi\u00e7\u00f5es suaves (quando misturado com c\u00e1tions multivalentes) e, dessa forma, as c\u00e9lulas podem ser encapsuladas de maneira f\u00e1cil e r\u00e1pida [2].  <\/p><p>As propriedades viscoel\u00e1sticas do alginato podem ser ajustadas alterando-se diversos par\u00e2metros, tais como a concentra\u00e7\u00e3o e o peso molecular do pol\u00edmero, bem como o tipo e a concentra\u00e7\u00e3o do agente de reticula\u00e7\u00e3o. Nesta nota de aplica\u00e7\u00e3o, o alginato a 1% da CELLINK foi reticulado com solu\u00e7\u00e3o de cloreto de c\u00e1lcio (CaCl\u2082) em diferentes concentra\u00e7\u00f5es (10 mM e 50 mM), e suas propriedades viscoel\u00e1sticas foram medidas no ElastoSens\u2122 Bio ap\u00f3s incuba\u00e7\u00f5es sucessivas com a solu\u00e7\u00e3o. Al\u00e9m disso, a estabilidade mec\u00e2nica de uma formula\u00e7\u00e3o de alginato reticulado (10 mM) foi avaliada ao longo de 24 horas durante a incuba\u00e7\u00e3o com uma solu\u00e7\u00e3o salina (PBS).  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b169c69 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"b169c69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Configura\u00e7\u00e3o experimental para avalia\u00e7\u00e3o da reticula\u00e7\u00e3o do hidrogel de alginato\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-622c4a9 elementor-widget elementor-widget-heading\" data-id=\"622c4a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Materiais e M\u00e9todos<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37946fb elementor-widget elementor-widget-text-editor\" data-id=\"37946fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.cellink.com\/product\/alginate-5\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Alginato<\/span><\/a><span style=\"font-weight: 400\"> 1% e CaCl<\/span><span style=\"font-weight: 400\">2<\/span><span style=\"font-weight: 400\"> (10 mM e <\/span><a href=\"https:\/\/www.cellink.com\/product\/crosslinking-agent\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">50 mM<\/span><\/a><span style=\"font-weight: 400\">) foram adquiridos da CELLINK (Boston, EUA). Foram vertidos 3 mL de alginato no ElastoSens\u2122 <\/span> <span style=\"font-weight: 400\"> O porta-amostra da Bio e 3 mL do <\/span><span style=\"font-weight: 400\">CaCl<\/span><span style=\"font-weight: 400\">2<\/span><span style=\"font-weight: 400\">  A solu\u00e7\u00e3o foi adicionada cuidadosamente sobre a amostra e deixada agir por 15 minutos. Em seguida, a solu\u00e7\u00e3o foi removida para a medi\u00e7\u00e3o das propriedades viscoel\u00e1sticas do alginato no ElastoSens\u2122 <\/span><span style=\"font-weight: 400\">  Bio a 25 \u00b0C por 5 minutos (com um intervalo de 10 segundos). Esse \u00faltimo procedimento foi repetido durante as primeiras duas horas. Para as amostras reticuladas com    <\/span><span style=\"font-weight: 400\">CaCl<\/span><span style=\"font-weight: 400\">2<\/span><span style=\"font-weight: 400\">  A 10 mM, a solu\u00e7\u00e3o foi deixada durante a noite \u00e0 temperatura ambiente e uma \u00faltima medi\u00e7\u00e3o foi realizada aproximadamente 24 horas ap\u00f3s a remo\u00e7\u00e3o da solu\u00e7\u00e3o. Em seguida, adicionou-se PBS sem c\u00e1lcio a essas amostras para avaliar sua dissolu\u00e7\u00e3o ao longo do tempo a 37 \u00b0C. As medi\u00e7\u00f5es foram realizadas a cada hora durante as primeiras 6 horas (durante 5 minutos, com intervalos de 10 segundos) e uma \u00faltima medi\u00e7\u00e3o foi realizada ap\u00f3s 24 horas de incuba\u00e7\u00e3o. Os resultados m\u00e9dios s\u00e3o expressos como m\u00e9dia \u00b1 desvio-padr\u00e3o. O n\u00famero de amostras foi igual a 3 (n = 3).      <\/span><span style=\"font-weight: 400\">As an\u00e1lises estat\u00edsticas foram realizadas utilizando o GraphPad Prism vers\u00e3o 9 (software GraphPad Prism, La Jolla, CA, EUA). As compara\u00e7\u00f5es entre os grupos foram avaliadas por ANOVA unidirecional com teste post hoc de Tukey para corre\u00e7\u00e3o de compara\u00e7\u00f5es m\u00faltiplas. Considerou-se que havia signific\u00e2ncia quando p &lt; e a 0,05.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c74affc elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"c74affc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Efeitos da concentra\u00e7\u00e3o de cloreto de c\u00e1lcio nas propriedades do hidrogel de alginato\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ba4198 elementor-widget elementor-widget-heading\" data-id=\"2ba4198\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Resultados e Discuss\u00e3o<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16b71b6 elementor-widget elementor-widget-text-editor\" data-id=\"16b71b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Tr\u00eas amostras de cada condi\u00e7\u00e3o de reticula\u00e7\u00e3o (10 mM e 50 mM de CaCl\u2082) foram testadas periodicamente no ElastoSens\u2122 Bio. Os valores m\u00e9dios em cada ponto temporal do m\u00f3dulo de armazenamento de cisalhamento G\u2019 (Pa) e da altura da amostra (mm) do alginato com solu\u00e7\u00e3o de 10 mM de CaCl\u2082 est\u00e3o representados nas Figuras 1 e 2. Para as amostras reticuladas com CaCl\u2082 a 10 mM, os g\u00e9is incharam nos momentos iniciais, o que \u00e9 confirmado pelo aumento em sua altura m\u00e9dia. A altura apresentou um aumento menos pronunciado ap\u00f3s 45 minutos a 4 horas de incuba\u00e7\u00e3o (Fig. 3A). A altura final ap\u00f3s 24 horas mostrou que as amostras ainda apresentavam um incha\u00e7o significativo (68% maior do que a altura inicial). A ligeira diminui\u00e7\u00e3o do G\u2019 nos primeiros 30 minutos sugere que o incha\u00e7o foi mais significativo do que as liga\u00e7\u00f5es cruzadas formadas at\u00e9 aquele momento. Depois disso, o G\u2019 apresentou um aumento suave e esperado com o tempo, atingindo 645 \u00b1 55 Pa ap\u00f3s 4 horas de incuba\u00e7\u00e3o com a solu\u00e7\u00e3o de CaCl\u2082 (com diferen\u00e7as estat\u00edsticas a cada 15 minutos). O valor final de G\u2019 dos g\u00e9is reticulados ap\u00f3s 24 horas de incuba\u00e7\u00e3o foi igual a 887 \u00b1 9 Pa. O Tan(\u03b4) mostrou-se est\u00e1vel de 15 minutos at\u00e9 4 horas de incuba\u00e7\u00e3o (~0,15); no entanto, apresentou um aumento ap\u00f3s 24 horas, atingindo o valor de 0,3 (dados n\u00e3o mostrados). Esse aumento sugere que a fra\u00e7\u00e3o viscosa do hidrogel tornou-se mais predominante com o tempo.         <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52a0e11 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"52a0e11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?fit=1024%2C745&amp;ssl=1\" class=\"attachment-large size-large wp-image-65695\" alt=\"Graph of average G\u2019 over time for 1% Alginate with 10 mM CaCl2\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?w=1147&amp;ssl=1 1147w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=1024%2C745&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=768%2C558&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=201%2C146&amp;ssl=1 201w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=50%2C36&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?resize=103%2C75&amp;ssl=1 103w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"65695\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-1a-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?fit=1147%2C834&amp;ssl=1\" data-orig-size=\"1147,834\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Graph of average G\u2019\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1A.jpg?fit=1024%2C745&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0445b2 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"b0445b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?fit=1024%2C745&amp;ssl=1\" class=\"attachment-large size-large wp-image-65696\" alt=\"Height measurement graph for 1% Alginate with 10 mM CaCl2\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?w=1147&amp;ssl=1 1147w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=1024%2C745&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=768%2C558&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=201%2C146&amp;ssl=1 201w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=50%2C36&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?resize=103%2C75&amp;ssl=1 103w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"65696\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-1b-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?fit=1147%2C834&amp;ssl=1\" data-orig-size=\"1147,834\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Height measurement graph\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-1B.jpg?fit=1024%2C745&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d964eb elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9d964eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Figura 1.<\/b> M\u00f3dulo m\u00e9dio de armazenamento de cisalhamento (G\u2019) e altura (mm) em fun\u00e7\u00e3o do tempo do alginato a 1% reticulado com uma solu\u00e7\u00e3o de CaCl\u2082 a 10 mM (*p&lt;0,0001 para 0 em compara\u00e7\u00e3o com cada hora).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9df6d7 elementor-widget elementor-widget-text-editor\" data-id=\"b9df6d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Para as amostras reticuladas com CaCl\u2082 50 mM, observou-se o comportamento contr\u00e1rio: as amostras encolheram com o tempo. Devido a esse comportamento, o teste foi interrompido assim que a amostra perdeu completamente o contato com a parede interna do suporte de amostras (Fig. 3B), o que \u00e9 um requisito do teste. O valor de G\u2019 aumentou com o tempo, atingindo o n\u00edvel de 2.832 \u00b1 53 Pa ap\u00f3s 1,5 horas de incuba\u00e7\u00e3o (com diferen\u00e7as estat\u00edsticas a cada 5 minutos). A altura diminuiu com o tempo (devido ao encolhimento) e o valor de tan(\u03b4) permaneceu est\u00e1vel (~ 0,15).   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdf953a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"bdf953a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?fit=1024%2C745&amp;ssl=1\" class=\"attachment-large size-large wp-image-65697\" alt=\"G\u2019 over time graph for 1% Alginate with 50 mM CaCl2\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?w=1147&amp;ssl=1 1147w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=1024%2C745&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=768%2C558&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=201%2C146&amp;ssl=1 201w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=50%2C36&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?resize=103%2C75&amp;ssl=1 103w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"65697\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-2a-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?fit=1147%2C834&amp;ssl=1\" data-orig-size=\"1147,834\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"G\u2019 over time graph\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2A.jpg?fit=1024%2C745&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fedc75 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7fedc75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?fit=1024%2C745&amp;ssl=1\" class=\"attachment-large size-large wp-image-65698\" alt=\"Height data graph for 1% Alginate with 50 mM CaCl2\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?w=1147&amp;ssl=1 1147w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=1024%2C745&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=768%2C558&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=201%2C146&amp;ssl=1 201w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=50%2C36&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?resize=103%2C75&amp;ssl=1 103w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"65698\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-2b-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?fit=1147%2C834&amp;ssl=1\" data-orig-size=\"1147,834\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Height data graph\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-2B.jpg?fit=1024%2C745&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ef950d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"5ef950d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Figura 2.<\/b> M\u00f3dulo m\u00e9dio de armazenamento ao cisalhamento (G\u2019) e altura (mm) em fun\u00e7\u00e3o do tempo do alginato a 1% reticulado com uma solu\u00e7\u00e3o de CaCl\u2082 a 50 mM (*p&lt;0,0001 para 0 versus cada hora).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c426a5e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"c426a5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>A<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c906dc4 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c906dc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"481\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?fit=691%2C481&amp;ssl=1\" class=\"attachment-large size-large wp-image-32689\" alt=\"Comparison of 1% Alginate crosslinked with 10 mM and 50 mM CaCl2\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?w=691&amp;ssl=1 691w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?resize=300%2C209&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?resize=210%2C146&amp;ssl=1 210w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?resize=50%2C35&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?resize=108%2C75&amp;ssl=1 108w\" sizes=\"(max-width:767px) 691px, 691px\" data-attachment-id=\"32689\" data-permalink=\"https:\/\/rheolution.com\/pt\/figure-3a_2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?fit=691%2C481&amp;ssl=1\" data-orig-size=\"691,481\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Figure 3A_2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3A_2.jpg?fit=691%2C481&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c9dd78 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1c9dd78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>B<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-510dfc6 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"510dfc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"481\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?fit=691%2C481&amp;ssl=1\" class=\"attachment-large size-large wp-image-65700\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?w=691&amp;ssl=1 691w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?resize=300%2C209&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?resize=210%2C146&amp;ssl=1 210w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?resize=50%2C35&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?resize=108%2C75&amp;ssl=1 108w\" sizes=\"(max-width:767px) 691px, 691px\" data-attachment-id=\"65700\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-3b_2-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?fit=691%2C481&amp;ssl=1\" data-orig-size=\"691,481\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Figure 3B_2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-3B_2.jpg?fit=691%2C481&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22f1b7f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"22f1b7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Figura 3.<\/b>  Alginato a 1% reticulado com (A) 10 mM e (B) 50 mM de solu\u00e7\u00e3o de CaCl\u2082.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1637530 elementor-widget elementor-widget-text-editor\" data-id=\"1637530\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A dissolu\u00e7\u00e3o das amostras de alginato a 1%, reticuladas com solu\u00e7\u00e3o de CaCl\u2082 a 10 mM e incubadas em PBS sem c\u00e1lcio, foi avaliada ao longo de 24 horas. Os valores de G\u2019 (Pa) em fun\u00e7\u00e3o do tempo s\u00e3o apresentados na Fig. 4. A dissolu\u00e7\u00e3o do alginato por meio da libera\u00e7\u00e3o de \u00edons c\u00e1lcio no PBS foi significativa durante as primeiras 24 horas de incuba\u00e7\u00e3o a 37 \u00b0C, conforme demonstrado pela diminui\u00e7\u00e3o de G\u2019 com o tempo (redu\u00e7\u00e3o de 20% ap\u00f3s 24 horas). O monitoramento da dissolu\u00e7\u00e3o foi poss\u00edvel durante as primeiras 24 horas; ap\u00f3s esse per\u00edodo, a amostra deixou de ser um hidrogel coesivo.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30689da elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"30689da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?fit=1024%2C745&amp;ssl=1\" class=\"attachment-large size-large wp-image-65701\" alt=\"G\u2019 change over time in Alginate with 10 mM CaCl2 in PBS\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?w=1147&amp;ssl=1 1147w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=1024%2C745&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=768%2C558&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=201%2C146&amp;ssl=1 201w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=50%2C36&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?resize=103%2C75&amp;ssl=1 103w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"65701\" data-permalink=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/attachment\/figure-4-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?fit=1147%2C834&amp;ssl=1\" data-orig-size=\"1147,834\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"G\u2019 change over time\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/Figure-4.jpg?fit=1024%2C745&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab64411 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ab64411\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Figura 4.<\/b> <b> <\/b>M\u00f3dulo m\u00e9dio de armazenamento de cisalhamento (G\u2019) em fun\u00e7\u00e3o do tempo durante a incuba\u00e7\u00e3o com PBS sem c\u00e1lcio de alginato a 1% reticulado com uma solu\u00e7\u00e3o de CaCl\u2082 a 10 mM (*p&lt;0,0001 para 0 versus cada hora).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1faa95b elementor-widget elementor-widget-heading\" data-id=\"1faa95b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Conclus\u00f5es e Perspectivas<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d748e1d elementor-widget elementor-widget-text-editor\" data-id=\"d748e1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A concentra\u00e7\u00e3o da solu\u00e7\u00e3o de CaCl\u2082 resultou em comportamentos diferentes durante a reticula\u00e7\u00e3o: o alginato inchou e encolheu com as concentra\u00e7\u00f5es mais baixa e mais alta, respectivamente (p&lt;0,05). Isso esteve relacionado \u00e0 velocidade de reticula\u00e7\u00e3o, que aumentou com o aumento da concentra\u00e7\u00e3o de c\u00e1lcio. Uma concentra\u00e7\u00e3o mais elevada de c\u00e1lcio resultou em hidrog\u00e9is mais r\u00edgidos (p&lt;0,05). Observou-se a dissolu\u00e7\u00e3o dos hidrog\u00e9is de alginato reticulados com solu\u00e7\u00e3o de c\u00e1lcio a 10 mM durante a incuba\u00e7\u00e3o com PBS sem c\u00e1lcio (p&lt;0,05).   <\/p><ul class=\"bullets\"><li class=\"bullets\">Os hidrog\u00e9is de alginato da Cellink podem ser facilmente reticulados com CaCl\u2082 e suas propriedades viscoel\u00e1sticas ajustadas por meio da varia\u00e7\u00e3o da concentra\u00e7\u00e3o de c\u00e1lcio.<\/li><li class=\"bullets\">As propriedades viscoel\u00e1sticas da mesma amostra podem ser medidas no ElastoSens\u2122 Bio ap\u00f3s incuba\u00e7\u00f5es sucessivas com o agente de reticula\u00e7\u00e3o.<\/li><li class=\"bullets\">Compreender o comportamento dos hidrog\u00e9is de alginato com diferentes solu\u00e7\u00f5es de reticula\u00e7\u00e3o \u00e9 importante para planejar melhor os experimentos.<\/li><li class=\"bullets\">O ElastoSens\u2122 Bio \u00e9 capaz de detectar pequenas diferen\u00e7as nas propriedades viscoel\u00e1sticas dos hidrog\u00e9is de alginato durante a reticula\u00e7\u00e3o e a dissolu\u00e7\u00e3o.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5264ec7 elementor-widget elementor-widget-heading\" data-id=\"5264ec7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Refer\u00eancias<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1eb8fe elementor-widget elementor-widget-text-editor\" data-id=\"c1eb8fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>[1] Hecht, H., &amp; Srebnik, S. (2016). <i><a href=\"https:\/\/pubs.acs.org\/doi\/pdf\/10.1021\/acs.biomac.6b00378\" target=\"_blank\" rel=\"noopener\">Structural characterization of sodium alginate and calcium alginate<\/a><\/i>. Biomacromolecules, 17(6), 2160-2167.<\/p><p>[2] Jia, J., Richards, D. J., Pollard, S., Tan, Y., Rodriguez, J., Visconti, R. P., &#8230; &amp; Mei, Y. (2014). <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1742706114002906\" target=\"_blank\" rel=\"noopener\">Engineering alginate as bioink for bioprinting<\/a>. Acta biomaterialia, 10(10), 4323-4331.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-823554d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"823554d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/rheolution.com\/wp-content\/uploads\/Viscoelasticity-of-CELLINK-alginate-gels.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Acesse a Nota do Aplicativo na \u00edntegra (PDF) <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3e1eb3 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"d3e1eb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;arrows&quot;,&quot;autoplay_speed&quot;:4000,&quot;transition_speed&quot;:4000,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-c97f30c swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"elastosens2\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5592b94 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"5592b94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Descubra como nossa tecnologia mede, de forma n\u00e3o destrutiva, as propriedades viscoel\u00e1sticas de biomateriais e tecidos moles utilizando microvolumes de amostras<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50c63ee elementor-align-center elementor-widget elementor-widget-button\" data-id=\"50c63ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/rheolution.com\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Entre em contato conosco para obter mais informa\u00e7\u00f5es<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b3c47f elementor-widget elementor-widget-heading\" data-id=\"0b3c47f\" data-element_type=\"widget\" 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Please make sure you have published items matching your query.\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>O alginato \u00e9 um polissacar\u00eddeo presente como componente estrutural das algas e como componente capsular das bact\u00e9rias do solo. Esse polissacar\u00eddeo \u00e9 normalmente obtido a partir de algas marrons e utilizado em diversos setores, como o m\u00e9dico, o farmac\u00eautico, o aliment\u00edcio e o t\u00eaxtil, devido \u00e0s suas propriedades viscosificantes, gelificantes e estabilizantes. <\/p>\n","protected":false},"author":195401338,"featured_media":65694,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[286,294,299],"tags":[89,92,91,124,88,146,87],"class_list":["post-65691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notas-de-aplicacao","category-application-3d","category-application-formulation-of-hydrogels","tag-elastosens-bio","tag-hydrogel-formation","tag-hydrogels","tag-life-sciences","tag-mechanical-testing","tag-natural-polymer","tag-viscoelasticity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reticula\u00e7\u00e3o do Hidrogel de Alginato: An\u00e1lise das Propriedades Mec\u00e2nicas<\/title>\n<meta name=\"description\" content=\"Explore as propriedades viscoel\u00e1sticas dos hidrog\u00e9is de alginato reticulados com cloreto de c\u00e1lcio utilizando o ElastoSens\u2122 Bio para aplica\u00e7\u00f5es em engenharia de tecidos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reticula\u00e7\u00e3o do Hidrogel de Alginato: An\u00e1lise das Propriedades Mec\u00e2nicas\" \/>\n<meta property=\"og:description\" content=\"Explore as propriedades viscoel\u00e1sticas dos hidrog\u00e9is de alginato reticulados com cloreto de c\u00e1lcio utilizando o ElastoSens\u2122 Bio para aplica\u00e7\u00f5es em engenharia de tecidos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rheolution.com\/pt\/notas-de-aplicacao\/testes-mecanicos-dos-geis-de-alginato-da-cellink\/\" \/>\n<meta property=\"og:site_name\" content=\"Rheolution\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-06T20:59:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T16:05:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?fit=1200%2C450&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"450\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Cedric Schmitt\" \/>\n<meta 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