{"id":2294,"date":"2020-05-19T09:36:06","date_gmt":"2020-05-19T07:36:06","guid":{"rendered":"https:\/\/cobomation.de\/?p=2294"},"modified":"2021-02-11T10:18:28","modified_gmt":"2021-02-11T09:18:28","slug":"microfluidic-cell-separation","status":"publish","type":"post","link":"https:\/\/cetoni.com\/de\/microfluidic-cell-separation\/","title":{"rendered":"Microfluidic Cell Separation"},"content":{"rendered":"[vc_row type=&#8220;in_container&#8220; full_screen_row_position=&#8220;middle&#8220; column_margin=&#8220;default&#8220; column_direction=&#8220;default&#8220; column_direction_tablet=&#8220;default&#8220; column_direction_phone=&#8220;default&#8220; scene_position=&#8220;center&#8220; text_color=&#8220;dark&#8220; text_align=&#8220;left&#8220; row_border_radius=&#8220;none&#8220; row_border_radius_applies=&#8220;bg&#8220; overlay_strength=&#8220;0.3&#8243; gradient_direction=&#8220;left_to_right&#8220; shape_divider_position=&#8220;bottom&#8220; bg_image_animation=&#8220;none&#8220;][vc_column column_padding=&#8220;no-extra-padding&#8220; column_padding_tablet=&#8220;inherit&#8220; column_padding_phone=&#8220;inherit&#8220; column_padding_position=&#8220;all&#8220; background_color_opacity=&#8220;1&#8243; background_hover_color_opacity=&#8220;1&#8243; column_shadow=&#8220;none&#8220; column_border_radius=&#8220;none&#8220; column_link_target=&#8220;_self&#8220; gradient_direction=&#8220;left_to_right&#8220; overlay_strength=&#8220;0.3&#8243; width=&#8220;1\/1&#8243; tablet_width_inherit=&#8220;default&#8220; tablet_text_alignment=&#8220;default&#8220; phone_text_alignment=&#8220;default&#8220; column_border_width=&#8220;none&#8220; column_border_style=&#8220;solid&#8220; bg_image_animation=&#8220;none&#8220;][vc_column_text]In ihrer neuesten Ver\u00f6ffentlichung hat ein Team von Mohammad A. Qasaimeh, an der New York University Abu Dhabi, einen neuen Meilenstein f\u00fcr die \u201copen-space\u201d-Mikrofluidik auf dem Gebiet der Zellbiologie gesetzt. Die Forscher entwickelten ein neuartiges \u201copen-space\u201d-Mikrofluidiksystem f\u00fcr die sequentielle Zelltrennung und -strukturierung auf Grundlage von Dielektrophorese, mit dem eine Zellreinheit von ~90 % m\u00f6glich ist.<\/p>\n<p>Die Hochpr\u00e4zisionsspritzenpumpen wurden zur Erzeugung eines Flusses von der Injektions- zur Aspirations\u00f6ffnung verwendet, um eine hydrodynamische Flusseinschlie\u00dfung zu erzeugen, innerhalb derer die Zellseparation stattfand.<\/p>\n<h3>Labor Setup<\/h3>\n<p>F\u00fcr die Forschungsarbeiten wurden speziell entwickelte und 3D-gedruckte Mikrofluidik-Chips verwendet. Basierend auf der Hele-Shaw-Zell-Approximation wurde die Str\u00f6mung zwischen zwei parallelen flachen Platten durch gleichzeitige Injektion und Aspiration von Fl\u00fcssigkeiten aus der mikroelektrofluidischen Sonde erzeugt. Die Elektrophoresekr\u00e4fte wurden dann verwendet, um die Zielzellen aus dem Flussstrom zu isolieren und sie nacheinander auf dem unteren Substrat zu strukturieren. Auf Grundlage dieser Methode wurde eine Zellreinheit von bis zu ~90% erreicht, die durch Fluoreszenzmikroskopie charakterisiert wurde.<\/p>\n<p>Mit ihrer Ver\u00f6ffentlichung im Journal Lab on a Chip im vergangenen Jahr haben Qasaimeh et al. neue Werkzeuge zur Verf\u00fcgung gestellt, um spezifische Zellen aus einer heterogenen Zellpopulation ohne Mikrokan\u00e4le zu trennen und damit eine wichtige Grundlagen f\u00fcr dieses Forschungsgebiet gelegt.<\/p>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2298 size-large\" src=\"https:\/\/cetoni.de\/wp-content\/uploads\/Anwendung_Brimmo-1024x668.png\" alt=\"\" width=\"1024\" height=\"668\" srcset=\"https:\/\/cetoni.com\/wp-content\/uploads\/Anwendung_Brimmo-1024x668.png 1024w, https:\/\/cetoni.com\/wp-content\/uploads\/Anwendung_Brimmo-300x196.png 300w, https:\/\/cetoni.com\/wp-content\/uploads\/Anwendung_Brimmo-768x501.png 768w, https:\/\/cetoni.com\/wp-content\/uploads\/Anwendung_Brimmo.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>Labor Setup Zell Separation<\/h3>\n<p>Der Aufbau f\u00fcr die Untersuchung der Freifl\u00e4chen-Mikrofluidik zur Zellseparation konnte mit einem modularen und hochpr\u00e4zisen CETONI-Dosiersystem realisiert werden. Um kontinuierliche Multipole zur Zelltrennung mit hoher Isolationseffizienz zu erzeugen, ist ein extrem gleichm\u00e4\u00dfiger und pulsationsfreier Fl\u00fcssigkeitsstrom erforderlich. Die CETONI Nemesys Pr\u00e4zisionsspritzenpumpen sind ideal geeignet f\u00fcr die exakte und sanfte Dosierung kleinster Fl\u00fcssigkeitsmengen. Dank ihrer Modularit\u00e4t kann der Aufbau auch jederzeit erweitert werden, was dem Forschungsteam volle Flexibilit\u00e4t bei seiner Arbeit erm\u00f6glicht.<\/p>\n<h3>Verwendete CETONI-Ger\u00e4te<\/h3>\n<ul>\n<li>Base 120<\/li>\n<li>Spritzenpumpen: 6x CETONI Nemesys Niederdruckmodul<\/li>\n<\/ul>\n<p><strong>Literatur<\/strong><br \/>\nA. T. Brimmo, A. Menacherya, M. A. Qasaimeh:<em> Microelectrofluidic probe for sequential cell separation and patterning.<\/em> 2019, (19), 4052-4063. DOI: 10.1039\/C9LC00748B[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=&#8220;in_container&#8220; full_screen_row_position=&#8220;middle&#8220; column_margin=&#8220;default&#8220; column_direction=&#8220;default&#8220; column_direction_tablet=&#8220;default&#8220; column_direction_phone=&#8220;default&#8220; scene_position=&#8220;center&#8220; text_color=&#8220;dark&#8220; text_align=&#8220;left&#8220; row_border_radius=&#8220;none&#8220; row_border_radius_applies=&#8220;bg&#8220; overlay_strength=&#8220;0.3&#8243; gradient_direction=&#8220;left_to_right&#8220; shape_divider_position=&#8220;bottom&#8220; bg_image_animation=&#8220;none&#8220;][vc_column column_padding=&#8220;no-extra-padding&#8220; column_padding_tablet=&#8220;inherit&#8220; column_padding_phone=&#8220;inherit&#8220; column_padding_position=&#8220;all&#8220; background_color_opacity=&#8220;1&#8243; background_hover_color_opacity=&#8220;1&#8243; column_shadow=&#8220;none&#8220; column_border_radius=&#8220;none&#8220; column_link_target=&#8220;_self&#8220; gradient_direction=&#8220;left_to_right&#8220; overlay_strength=&#8220;0.3&#8243; width=&#8220;1\/1&#8243; tablet_width_inherit=&#8220;default&#8220; tablet_text_alignment=&#8220;default&#8220;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2295,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[72],"class_list":{"0":"post-2294","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-publikation","8":"tag-publikation"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microfluidic Cell Separation - CETONI GmbH<\/title>\n<meta name=\"description\" content=\"Team von Mohammad A. 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