Model: TR-ASTRA Flow

Ultra-multiplex Spatial
Staining & Scanning System

A domestically developed, fully independent microfluidic integrated platform — a one-stop, fully automated solution from tissue section to ultra-multiplex spatial image.

Slides in, digital multi-omics images out — hands-off full-process automation.
Microfluidic cyclic stainingMicrofluidic Cyclic Staining
5-channel high-speed scanning5-Channel High-Speed Scanning
Fully integrated workflowFully Integrated Workflow
High throughput and repeatabilityHigh Throughput & Repeatability
Request a Demo → Analysis Software
TR-ASTRA Flow instrument in use
Workflow

One-Stop Fully Automated Spatial Omics Workflow

Load the slide, press start, and walk away — the instrument runs the entire process unattended.

Load slide→Press start→Unattended full-process run
01

Experiment Scheme Auto-Construction

  • Import antibodies or choose a standard panel
  • Multiplex marker combinations generated automatically
  • Covers oncology, immunology and neuroscience
02

Microfluidic Cyclic Staining

  • Incubation, imaging and elution run automatically
  • Precise control guarantees staining consistency
Up to 50-plex per slide
03

In-situ Whole-Slide Imaging

  • Full-process scanning completed inside the instrument
  • 5-channel simultaneous fluorescence imaging
  • OME-TIFF standard output
04

Spatial Data Auto-Generation

  • Automatic background correction & multi-round co-registration
  • Spatial omics data exported directly
  • Compatible with mainstream third-party analysis platforms
05

Sample Reuse Capability

  • Gentle elution protects tissue architecture
  • Supports multiple rounds of repeat detection
  • H&E / IHC / RNA secondary analysis supported
Automation & Throughput

Fully Automated, Continuous Batch Operation

One loading, and the instrument completes the entire closed loop. After antigen retrieval it switches to a fully enclosed automatic mode — no manual slide transfer at any point.

Staining01 Staining
Imaging02 Imaging
Elution03 Elution
Image preprocessing04 Image Preprocessing
Throughput
20
slides / week

Calculated on a 17 × 19 mm effective area — stable fit for large-cohort spatial omics studies.

MAX
50
plex protein markers

Maximum number of protein markers detected on a single section.

PANEL
40
plex panel system

A mature, standardized panel library ready to deploy.

LOAD
4
slides per run

Maximum number of slides loaded in a single batch.

FLOW
0
slide transfers

Staining and scanning both completed in situ — the slide never leaves the instrument.

Applications

Built for Every Research Scenario

From discovery science to regulated clinical trials — one platform covering the full translational continuum.

01

Basic Research

Tissue atlas & marker discovery

Covering neuroscience, basic immunology, infectious disease and developmental biology — map single-cell spatial phenotypes and screen entirely new molecular markers.

02

Translational Medicine

Biomarker validation

Spatial quantification of immune cell subsets in the tumour microenvironment and co-localization of immune checkpoint proteins — supporting targeted and immunotherapy target validation.

03

Clinical Sample Research

Large-cohort retrospective analysis

Batch multiplex staining of FFPE archival clinical samples; assess immune typing and prognostic stratification; run large-sample spatial atlases at low cost.

04

Clinical Trials

Drug efficacy assessment

Spatial comparison of tissue samples before and after treatment; quantify immune cell infiltration and cell–cell interaction distance to support clinical efficacy data output.

Core Technology

Three Core Technology Engines

Chip, optics and software all developed in-house — the reason TR-ASTRA Flow can run staining, imaging and elution in a single enclosed loop.

01

BiFeX™ Microfluidic Cyclic Staining

Bidirectional microfluidic exchange chip design that cycles staining on one slide without moving it.

Off-the-shelf unconjugated primary antibodies Gentle elution Architecture & antigenicity preserved Multi-round target expansion
02

sWSI Five-Channel Whole-Slide Imaging

True whole-slide fluorescence acquisition with sub-pixel registration across every cycle.

DAPI / FITC / TRITC / Cy5 / Cy7 20× NA 0.8 objective Sub-pixel auto-registration No-slide-transfer in-situ scanning
03

Full-Process Intelligent Control

One scheduler orchestrates the whole loop and hands you analysis-ready data.

Stain / image / elute / stitch / fuse Auto background correction Multi-round image fusion OME-TIFF output
Specifications

Sample & Hardware Specifications

Full technical parameters for sample handling, optics, fluidics, throughput and ecosystem compatibility.

Sample & Imaging Capacity

Sample typeFFPE / Frozen / Single-cell suspension
Standard slide75 × 25 mm
Effective imaging area17 × 19 mm
Max slide size76 × 52 mm
Max imaging area34 × 19 mm

Optical Imaging System

Objective20× plan apochromat, NA 0.8
Spatial resolution200 nm / pixel
Field of view> 0.9 mm²
Fluorescence channelsDAPI / FITC / TRITC / Cy5 / Cy7
Output formatOME-TIFF

Microfluidic Circulation System

Core technologyBiFeX™ microfluidic cyclic staining
Staining modesDirect / Indirect / TSA
Incubation time2–8 min
Fluidic controlμL-level precision
Detection capacityExpandable to 50-plex over multiple rounds

Automation & Throughput

Automated stepsStaining / imaging / elution / image preprocessing
Standard scheme40-plex panel system
Throughput20 slides / week
Operating modeFully enclosed, unattended, continuous batch
Slides per loadingUp to 4

Multi-omics Expansion

Spatial proteomicsUp to 50-plex marker detection
Co-detectionRNA + protein spatial detection
Analysis capabilityMulti-omics co-localization analysis
Research scenariosBasic research / translational medicine / clinical research

System & Ecosystem Compatibility

In-house stackChip / optics / software / reagents
Antibody systemOpen & compatible — no pre-conjugation required
Experimental standardStandardized SOP system
Analysis softwareQuPath / HALO / Visiopharm

See TR-ASTRA Flow in your lab

Book a demo — send us your panel and we’ll return a run plan and sample report.

Request a Demo
📞 +86 25 8556 8760 ✉ Contact Us