{"id":3204,"date":"2025-05-30T13:31:48","date_gmt":"2025-05-30T05:31:48","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3204"},"modified":"2025-05-30T13:31:51","modified_gmt":"2025-05-30T05:31:51","slug":"spheroidized-calcium-carbonate-microspheres-the-rising-star-in-pharmaceuticals-delivery","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/spheroidized-calcium-carbonate-microspheres-the-rising-star-in-pharmaceuticals-delivery\/","title":{"rendered":"Microsph\u00e8res de carbonate de calcium sph\u00e9ro\u00efdis\u00e9es\u00a0: l&#039;\u00e9toile montante de l&#039;administration de produits pharmaceutiques"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">Carbonate de calcium<\/a> C&#039;est une mati\u00e8re premi\u00e8re chimique importante, dont les mati\u00e8res premi\u00e8res sont abondantes et les proc\u00e9d\u00e9s de production simples. D&#039;excellentes performances, elle est largement utilis\u00e9e dans les industries du caoutchouc, des encres, des produits pharmaceutiques et de l&#039;agroalimentaire. Dans le secteur pharmaceutique, <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-powder-dry-grinding\/\">carbonate de calcium sph\u00e9ro\u00efdis\u00e9<\/a> C&#039;est un excellent compl\u00e9ment alimentaire source de calcium. Les compl\u00e9ments calciques \u00e0 base de carbonate de calcium pr\u00e9sentent une teneur \u00e9lev\u00e9e en calcium, une bonne absorption et une biodisponibilit\u00e9 \u00e9lev\u00e9e. Le carbonate de calcium de qualit\u00e9 pharmaceutique peut \u00eatre utilis\u00e9 comme base et agent de remplissage pour certains produits pharmaceutiques. Il peut \u00e9galement \u00eatre utilis\u00e9 pour pr\u00e9parer des milieux de fermentation, apportant du calcium et maintenant la stabilit\u00e9 du pH. Le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 est indispensable comme tampon dans les processus de fermentation biologique. Il est notamment utilis\u00e9 comme biomat\u00e9riau classique pour la construction de vecteurs intelligents pour l&#039;administration de g\u00e8nes, d&#039;enzymes et de m\u00e9dicaments.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"534\" height=\"411\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Spheroidized-Calcium-Carbonate.webp\" alt=\"Carbonate de calcium sph\u00e9ro\u00efdis\u00e9\" class=\"wp-image-3205\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Spheroidized-Calcium-Carbonate.webp 534w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Spheroidized-Calcium-Carbonate-300x231.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Spheroidized-Calcium-Carbonate-16x12.webp 16w\" sizes=\"(max-width: 534px) 100vw, 534px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Carbonate de calcium sph\u00e9ro\u00efdis\u00e9<\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">Carbonate de calcium<\/a> pr\u00e9sente principalement trois formes cristallines\u00a0: la calcite, l&#039;aragonite et la sph\u00e9ro\u00efdisation. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">carbonate de calcium<\/a> C&#039;est un cristal orthorhombique, dont la structure cellulaire diff\u00e8re l\u00e9g\u00e8rement de celle de la calcite. Sa cellule unitaire contient des ions carbonate et calcium, dispos\u00e9s sym\u00e9triquement et de mani\u00e8re ordonn\u00e9e, ce qui lui conf\u00e8re une forme sph\u00e9rique. Le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 est rare dans la nature et se compose g\u00e9n\u00e9ralement de particules sph\u00e9riques polycristallines de taille nanom\u00e9trique. Contrairement \u00e0 la calcite et \u00e0 l&#039;aragonite, le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 n&#039;est pas un monocristal. De plus, les carbonates de calcium sph\u00e9ro\u00efdis\u00e9s peuvent \u00e9galement pr\u00e9senter des morphologies disco\u00efdales, lamellaires, hexagonales et lenticulaires. Le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 sph\u00e9rique est consid\u00e9r\u00e9 comme le type de carbonate de calcium le plus prometteur pour les applications.<\/p>\n\n\n\n<p>Parmi les trois formes cristallines courantes du carbonate de calcium, la calcite est la plus stable thermodynamiquement. L&#039;aragonite vient ensuite, tandis que le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 est la forme la moins stable. En solution aqueuse, il se transforme facilement en calcite ou aragonite, plus stable thermodynamiquement. L&#039;ajout de certaines substances dans diff\u00e9rents environnements peut stabiliser les carbonates de calcium sph\u00e9ro\u00efdis\u00e9s et ralentir leur conversion en calcite.<br>Des \u00e9tudes montrent que diff\u00e9rentes conditions de synth\u00e8se, additifs et m\u00e9thodes de post-traitement permettent de contr\u00f4ler la forme cristalline des microsph\u00e8res de carbonate de calcium. L&#039;ajustement de la temp\u00e9rature, du pH et du temps permet de contr\u00f4ler et de synth\u00e9tiser s\u00e9lectivement les microsph\u00e8res de carbonate de calcium. L&#039;analyse des voies de formation et de la structure cellulaire unitaire du carbonate de calcium sph\u00e9ro\u00efdis\u00e9 permet de r\u00e9guler efficacement sa morphologie, sa taille et ses propri\u00e9t\u00e9s.<\/p>\n\n\n\n<p>Compar\u00e9 aux deux autres formes cristallines, le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 pr\u00e9sente non seulement des propri\u00e9t\u00e9s classiques, telles qu&#039;une faible densit\u00e9, une couleur blanche, une absence de go\u00fbt, une d\u00e9composition acide et une stabilit\u00e9 chimique, mais aussi une structure creuse ou poreuse, une granulom\u00e9trie uniforme, une taille micro-nano, une hydrophilie \u00e9lev\u00e9e, une grande surface sp\u00e9cifique, une bonne solubilit\u00e9 et dispersibilit\u00e9, une meilleure biocompatibilit\u00e9 et s\u00e9curit\u00e9, une bonne d\u00e9gradabilit\u00e9, une forte capacit\u00e9 de transition de phase et une distribution sph\u00e9rique. Par cons\u00e9quent, le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 offre de nombreuses possibilit\u00e9s d&#039;application comme support de m\u00e9dicaments inorganiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9thodes de synth\u00e8se de microsph\u00e8res poreuses de carbonates de calcium sph\u00e9ro\u00efdis\u00e9s<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">copr\u00e9cipitation<\/h3>\n\n\n\n<p>La copr\u00e9cipitation est une m\u00e9thode courante et \u00e9conomique de synth\u00e8se du carbonate de calcium. L&#039;ajout d&#039;une source de carbonate, comme le bicarbonate de sodium, \u00e0 une solution de chlorure de calcium ou d&#039;hydroxyde de calcium permet de pr\u00e9cipiter le carbonate de calcium. Cette m\u00e9thode est simple \u00e0 mettre en \u0153uvre, peu co\u00fbteuse et adapt\u00e9e \u00e0 la synth\u00e8se de carbonate de calcium \u00e0 grande \u00e9chelle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Synth\u00e8se hydrothermale<\/h3>\n\n\n\n<p>La m\u00e9thode de synth\u00e8se hydrothermale repose sur un environnement de solution \u00e0 haute temp\u00e9rature et haute pression. Dans ces conditions, la solution pr\u00e9sente des propri\u00e9t\u00e9s particuli\u00e8res, telles qu&#039;une solubilit\u00e9, une diffusivit\u00e9 et une activit\u00e9 ionique \u00e9lev\u00e9es. Cette m\u00e9thode est \u00e9galement tr\u00e8s pratique pour la synth\u00e8se du carbonate de calcium, permettant de contr\u00f4ler la forme, la taille et la morphologie des cristaux en ajustant les conditions et la dur\u00e9e de la r\u00e9action. Elle offre un bon contr\u00f4le cristallin, permettant la production de microparticules de carbonate de calcium pr\u00e9sentant une bonne cristallinit\u00e9 et une morphologie sp\u00e9cifique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de la micro\u00e9mulsion<\/h3>\n\n\n\n<p>La micro\u00e9mulsion, \u00e9galement appel\u00e9e nano\u00e9mulsion, est principalement utilis\u00e9e pour la synth\u00e8se de nanoparticules. La m\u00e9thode de copr\u00e9cipitation en solution consiste \u00e0 m\u00e9langer deux ou plusieurs solutions pr\u00e9curseurs en phase huileuse tout en effectuant simultan\u00e9ment une r\u00e9action de pr\u00e9cipitation pour synth\u00e9tiser du carbonate de calcium.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Biomin\u00e9ralisation<\/h3>\n\n\n\n<p>La biomin\u00e9ralisation fait r\u00e9f\u00e9rence au processus de formation de min\u00e9raux inorganiques par le biais de processus biologiques dans les organismes vivants.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"748\" height=\"607\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Different-forms-of-calcium-carbonate.webp\" alt=\"Diff\u00e9rentes formes de carbonate de calcium\" class=\"wp-image-3206\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Different-forms-of-calcium-carbonate.webp 748w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Different-forms-of-calcium-carbonate-300x243.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Different-forms-of-calcium-carbonate-15x12.webp 15w\" sizes=\"(max-width: 748px) 100vw, 748px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Microsph\u00e8res de carbonate de calcium comme vecteurs de produits pharmaceutiques<\/h2>\n\n\n\n<p>La morphologie poreuse et la structure interne bien d\u00e9velopp\u00e9e du carbonate de calcium sph\u00e9ro\u00efdis\u00e9 lui permettent d&#039;accueillir des mol\u00e9cules aux propri\u00e9t\u00e9s vari\u00e9es. Ces particules peuvent capturer efficacement une large gamme de substances bioactives, notamment des compos\u00e9s de faible poids mol\u00e9culaire et des macromol\u00e9cules, par adsorption physique (diffusion) dans les pores ou copr\u00e9cipitation (co-synth\u00e8se) lors de la formation des particules. Les microsph\u00e8res de carbonate de calcium sph\u00e9ro\u00efdis\u00e9, dont la granulom\u00e9trie et la sensibilit\u00e9 au pH sont ajustables, sont particuli\u00e8rement adapt\u00e9es \u00e0 l&#039;administration de m\u00e9dicaments et de g\u00e8nes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Actuellement, le carbonate de calcium est principalement utilis\u00e9 comme vecteur pharmaceutique pour les m\u00e9dicaments oraux, les traitements contre le cancer, les produits pharmaceutiques topiques, les mat\u00e9riaux de r\u00e9paration osseuse et l&#039;administration de g\u00e8nes. Bien que le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 soit une forme cristalline m\u00e9tastable inexistante dans la nature, sa morphologie poreuse unique, sa surface sp\u00e9cifique \u00e9lev\u00e9e, sa bonne perm\u00e9abilit\u00e9 et sa biod\u00e9gradabilit\u00e9, ainsi que son absence d&#039;effets secondaires toxiques sur les cellules normales, le rendent tr\u00e8s prometteur. Il pr\u00e9sente un fort potentiel dans les domaines biom\u00e9dicaux tels que les vecteurs \u00e0 lib\u00e9ration contr\u00f4l\u00e9e pharmaceutiques et les vecteurs de th\u00e9rapie g\u00e9nique, suscitant une attention et une recherche croissantes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Poudre \u00e9pique<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Broyeur \u00e0 jet d&#039;air \u00e0 vendre, broyeur \u00e0 jet pour carbure de silicium, poudre D97 13 microns, machines \u00e0 poudre EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wAy3TuOHudE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Poudre \u00e9pique<\/a>Plus de 20 ans d&#039;exp\u00e9rience dans l&#039;industrie des poudres ultrafines. Nous promouvons activement le d\u00e9veloppement futur des poudres ultrafines, en nous concentrant sur les proc\u00e9d\u00e9s de concassage, de broyage, de classification et de modification. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es\u00a0! Notre \u00e9quipe d&#039;experts s&#039;engage \u00e0 fournir des produits et services de haute qualit\u00e9 pour optimiser la valeur de vos proc\u00e9d\u00e9s de traitement des poudres. Epic Powder\u00a0: votre expert de confiance en traitement des poudres\u00a0!<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/3204#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3204#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre nom*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Votre entreprise\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Votre message\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Le carbonate de calcium est une substance chimique importante, dont les mati\u00e8res premi\u00e8res sont abondantes et les proc\u00e9d\u00e9s de production simples. Ses excellentes performances le rendent largement utilis\u00e9 dans les industries du caoutchouc, des encres, des produits pharmaceutiques et de l&#039;agroalimentaire. Dans le secteur pharmaceutique, le carbonate de calcium sph\u00e9ro\u00efdis\u00e9 constitue une excellente source de calcium en compl\u00e9ment alimentaire. Les compl\u00e9ments calciques \u00e0 base de carbonate de calcium pr\u00e9sentent une teneur \u00e9lev\u00e9e en calcium, une bonne absorption et [\u2026]<\/p>","protected":false},"author":1,"featured_media":3206,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-air-classifier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spheroidized Calcium Carbonate Microspheres: The &quot;Rising Star&quot; 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