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        • Explore multiple applications with VitroGel®

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          • VitroINK Bioinks Overviewbioink logo
            • VitroINK® is a new generation of xeno-free functional bioink system that can print without UV, heat curing, or chemical cross-linking.
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          We are here to help you enjoy your scientific exploration. Search our frequently asked questions. If your question still has not been answered, email us at support@thewellbio.com.

          Popular Search stiffnessorganoidcyto3dgelationstiff

          General Hydrogel Questions

          23
          • What is VitroGel®?
          • What is the chemical composition of the VitroGel®?
          • What is the pore size of VitroGel?
          • Does VitroGel® contain any natural ECM proteins like fibronectin, collagens, or laminins?
          Explore More

          Hydrogel / Cell Preparation

          30
          • How do I prepare the cell suspension to mix with the hydrogel? Should I add serum?
          • How do I adjust the hydrogel formation time?
          • How fast should I transfer the sample from the mixing tube to the culture plate?
          • When the mixture of the cells and the VitroGel® is left to stabilize at room temperature before the injection, will the suspension cells sink to the bottom of the tube?
          Explore More

          Analysis (Image, DNA/RNA, Protein, etc)

          18
          • Is VitroGel® compatible with staining and immunofluorescence protocols for confocal microscopy or other imaging technologies?
          • What is the concept behind the Cyto3D® Live-Dead Assay Kit co-stain?
          • How long can fluorescence of Cyto3D® Live-Dead Assay Kit be maintained when 2D or 3D cells are cultured with this product? Is it possible to observe the fluorescence for days without any cytotoxic effect?
          • Is there a threshold or limitation for the cell confluency for the Cyto3D® Live-Dead Assay Kit?
          Explore More

          Organoids

          15
          • Can I form a dome shape culture?
          • Should I use treated or non-treated culture for dome methods?
          • Which VitroGel® ORGANOID hydrogel should I choose for my organoid type?
          • What are the differences between the 4 VitroGel® ORGANOID versions?
          Explore More

          3D Cell Models & Functional Assays

          13
          • Can VitroGel® be used for both 3D culture and 2D hydrogel coating? Which culture method should I choose?
          • How can I use VitroGel® for co-culture or sandwich culture (layer by layer)?
          • How long before spheroid formation takes place in hydrogel?
          • Is it possible to cover cell spheroids with VitroGel® and apply differentiation media on top?
          Explore More

          Injectable Hydrogel / In Vivo

          19
          • What is the injection volume of VitroGel®?
          • What is the recommended number of cells for VitroGel® injection?
          • How can I decide the mixing ratio between ready-to-use hydrogel solution and cell suspension while preparing samples for xenograft application?
          • Do I need to keep the VitroGel®-Cell mixture in an ice bucket?
          Explore More

          3D Bioprinting

          12
          • What is the difference between VitroGel® and VitroINK®? Can I switch these two types of products on testing the same cell type?
          • How can I dissolve the VitroINK®?
          • How do you crosslink the bioink after printing?
          • How long are the cell culture models stable?
          Explore More
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          Latest Application Notes
          • Quick and Efficient Organoid/Cell Recovery from Animal-Based Extracellular Matrix

          • Using the Xeno-free VitroGel® Cell Invasion Assay Kits to Perform both Traditional and Complex Cell Mobility Studies

          • Cell Line-Derived Xenograft Using Xeno-Free VitroGel System in Comparison to Animal-based Extracellular Matrix

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          • Applications
            • [Row]
              • Applications
                • [Custom]
              • Advanced 3D Cell Models
                • Intestinal 3D Cell Model
                • 3D Breast Cancer Models with VitroGel®
                  • Normal Human Breast Explant Model
                • Advanced 3D cell models for Lab Automation
              • In Vitro Applications
                • Organoids
                • Stem Cells
                • 3D Cell Culture
                • 2D Hydrogel Coating
                • 3D Cell Viability
                • Other Applications
              • In Vivo Applications
                • Xenograft (PDX & CDX)
                • Tissue Engineering
              • Functional Assay
                • Angiogenesis Assay
                • Cell Invasion Assay
          • 3D Cell Products
            • [Row]
            • VitroGel® Hydrogel Overview
              • Comparison Between VitroGel® vs. Animal-Based ECM
              • How Gelation Works in VitroGel®
              • Unique Injectable Properties of VitroGel®
              • How Cell Harvesting Works in VitroGel®
            • Ready-To-Use Hydrogels
              • VitroGel® Starter Kit
              • VitroGel® Hydrogel Matrix
              • VitroGel® ORGANOID
              • VitroGel® STEM
              • VitroGel® MSC
              • VitroGel® HEK293
              • Assay Kits
                • VitroGel® Cell Invasion Assay Kit
                • VitroGel® HC Cell Invasion Assay Kit
                • VitroGel® Angiogenesis Assay Kit
                • VitroGel® Angiogenesis Assay HC Kit
            • Tunable Hydrogels – High Concentration Kits
              • VitroGel® Starter Kit
              • VitroGel® 3D Kit
              • VitroGel® RGD Kit
              • VitroGel® COL Kit
              • VitroGel® MMP Kit
              • VitroGel® IKVAV Kit
              • VitroGel® YIGSR Kit
              • Cell Culture Plates
                • VitroPrime™ Spread-Attach Plates
                • VitroPrime™ Cell Culture Inserts
            • Support Mediums
              • VitroGel® Organoid Recovery Solution
              • VitroGel® Cell Recovery Solution
              • VitroGel® Dilution Solution
            • Biomarkers
              • Cyto3D® Live-Dead Assay Kit
            • Hydrogel Supplements
              • AAK Supplements
          • Bioink Products
            • [Row]
            • VitroINK Bioinks Overview
              • [Custom]
            • Bioinks
              • VitroINK® 3D
              • VitroINK® RGD
              • VitroINK® COL
              • VitroINK® MMP
              • VitroINK® IKVAV
              • VitroINK® YIGSR
            • Bioink Starter Kits
              • VitroINK® 3D | Starter Kit
              • VitroINK® RGD | Starter Kit
              • VitroINK® COL | Starter Kit
              • VitroINK® MMP | Starter Kit
              • VitroINK® IKVAV | Starter Kit
              • VitroINK® YIGSR | Starter Kit
            • Bioprinting – Accessories
              • Mixing Kits
              • Nozzle Tips
              • Needle Tips
            • Video Protocols
              • VitroINK Mixing Kit – Video Demo
          • Resources
            • [Row]
            • VitroGel® Technology
              • What is VitroGel®?
              • Comparison Between VitroGel® vs. Animal-Based ECM
              • How Gelation Works
              • 5 Cell Culture Methods with VitroGel
              • Unique Injectable Properties of VitroGel®
              • How Cell Harvesting Works
              • Mix & Match – Full ECM Control
            • FAQ, Protocols and Guides
              • FAQ – Frequent Questions
              • Protocols and Guidelines
              • Video Protocols
              • Hydrogel Guide
                • Cell Type to Hydrogel Guide
                • Hydrogel Guide Connection
                • Why 3D Cell Culture?
            • Scientific Resources
              • Publications/References
              • Application Notes
              • Poster Presentations
              • Research Highlights
              • Webinars
              • White Papers
            • Services
              • Custom 3D Cell Culture Services
          • Company
            • [Row]
            • About/Contact Us
            • News & Events
            • Careers
            • Find A Distributor
          • Newsletter
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