Confocal Microscopy for 3D Tissue Imaging
The fundamental distinction between conventional fluorescence microscopy and 3D confocal microscopy lies in how they handle depth and optical noise. Conventional systems illuminate the entire specimen simultaneously, much like a floodlight; while this works well for very thin samples, in thicker tissues, the fluorescence emitted from above and below the focal plane creates a significant "haze." This background blur obscures fine details and physically limits the system to producing flat, two-dimensional images where the complex internal architecture of the tissue is lost within the glow.
3D Confocal microscopy overcomes this limitation by using a focused laser and a pinhole aperture to physically block this out-of-focus light, a process known as "optical sectioning." By illuminating and capturing only a single, thin plane of the specimen at a time, the system generates crisp, high-contrast slices free of background blur. These individual optical slices are then computationally stacked to reconstruct a true volumetric model, allowing researchers to visualize and rotate thick tissues in three dimensions—revealing spatial relationships and cellular structures that are invisible to conventional methods.
Submit Your Request Now
×
- Why choose
- Our service
- Applications
- FAQs
- Sample preparation
Why Move to 3D?
Traditional histology relies on thin physical sections, often losing the complex spatial context of biological structures. Our 3D Confocal Imaging Service allows you to visualize tissues in their entirety, preserving the intricate architecture of nerves, vasculature, and cellular microenvironments.
Our Service Capabilities
We utilize state-of-the-art laser scanning confocal microscopes combined with advanced tissue clearing techniques to image deep into biological specimens.
- Optical Sectioning & 3D Reconstruction
- We generate high-resolution "z-stacks"—optical slices taken at different depths—which are computationally reconstructed into fully interactive 3D models. This allows for:
- Spatial Mapping: precise localization of cells within a tissue matrix.
- Volumetric Analysis: accurate measurement of volume, sphericity, and density.
- Deep Tissue Penetration
- Standard microscopy scatters light in thick tissues. We employ Tissue Clearing protocols (such as CLARITY, iDISCO, or CUBIC) to render opaque tissues transparent.
- Depth: Image samples up to several millimeters thick.
- Clarity: Maintain cellular resolution without physical sectioning.
- Multiplex Fluorescence
Visualize multiple targets simultaneously. Our systems are equipped with multiple laser lines (405nm to 640nm+) to support multi-color immunofluorescence.- Co-localization studies: Determine if two proteins interact or reside in the same compartment.
- Phenotyping: Identify distinct cell types within a complex microenvironment.
Applications
Our imaging services accelerate research across various fields:
- Neuroscience: Trace long-range neuronal projections and visualize dendritic spines in intact brain circuitry.
- Oncology: Analyze the Tumor Microenvironment (TME) in 3D to understand angiogenesis and immune cell infiltration.
- Developmental Biology: Observe organogenesis and structural formation in whole embryos.
- Dermatology & Skin Research: Assess skin layers, follicle structure, and nerve density without biopsy fragmentation.
FAQs
Do I need to clear my tissue before sending it?
Not necessarily. We offer end-to-end services that include tissue clearing and staining. However, if you have pre-cleared samples, we can image them directly.
What file formats will I receive?
We deliver raw data (typically .CZI, .LIF, or .TIFF) and can provide converted formats compatible with Imaris, ImageJ/Fiji, or Arivis.
How do you handle photobleaching?
Our expert operators use optimized scanning speeds and laser power to minimize phototoxicity and bleaching, ensuring your sample remains viable for the duration of the scan.
Learn about other Q&A.
Sample Submission Guidelines
To ensure the safety of your samples and the highest quality imaging data, please adhere to the following protocol. The following information is for your reference. For specific questions regarding sample preparation, please contact us for further discussion.
| Sample Type | Recommended Fixation | Mounting & Container | Clearing Requirement |
|---|---|---|---|
| Adherent Cells(Monolayers) | 4% PFA (10–15 min) | Grow directly on #1.5 coverslips or glass-bottom dishes. | None |
| Thin Tissue Sections(<50 µm) | 4% PFA (Before sectioning) | Mount on glass slides with #1.5 coverslips. Seal with nail polish/Valap. | None |
| Thick Tissues / Whole Organs(>100 µm) | 4% PFA (24–48 hrs) | Ship in liquid buffer (PBS + Azide) in a sealed tube. | Required (e.g., CLARITY, iDISCO) |
| Organoids / Spheroids | 4% PFA (20–30 min) | Embed in low-melting agarose or ship in suspension (liquid). | Recommended for sizes >150 µm |
| Suspension Cells | 4% PFA (10–15 min) | Adhere to poly-L-lysine coated coverslips or embed in agarose. | None |
