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    Classification:

    Spatial Transcriptomics


    Introduction


    Spatial transcriptome sequencing enables comprehensive mapping of gene expression within the intact tissue architecture.We provide integrated Visium HD and Stereo-seq spatial transcriptomics services. Our dual-platform solution delivers comprehensive spatial insights, combining the high-definition, subcellular resolution of Visium HD with the expansive field of view and ultra-high sensitivity of Stereo-seq. This powerful approach enables detailed mapping of tissue architecture and gene expression for breakthrough discoveries in biology and disease research.

    Applications


    Growth and Development Research

    Organ Studies

    Evolutionary Research

    Disease Research

    Highlights


    Stereo-seq

    Visium HD

    Workflow


    Sample Preparation

    Sample Preparation

    Refer to the Sample
    Submission Requirements

    Sample QC

    Sample Preparation
    Sectioning and imaging

    Sectioning and imaging

    · Section thickness: OCT 10 μm, FFPE 5 μm
    · Nucleic acid extraction and quality control from 20 sections

    Sample QC

    Sectioning and imaging
    Spatial Library Preparation

    Spatial Library Preparation

    · Tissue permeabilization, mRNA release and barcoding
    · cDNA synthesis & amplification
    · Short-read library construction

    Library QC

    Spatial Library Preparation
    Sequencing

    Sequencing

    · Platform: Illumina or BGI
    · Strategy: PE150 or PE100
    · Data volume: 200 G or 1 G Reads

    Data QC

    Sequencing
    Bioinformatics Analysis

    Bioinformatics Analysis

    Refer to the demo results

    Click >>

    Analysis Workflow


    112b5aff85fbcb161f5131d5cc609dc6_8f60083e-0d1c-4db9-b31e-564bae9312ba.png

    Data Delivery File Formats


    Fastq Data Files

    Sequencing Yield Display


    Visium HD 3':

    669bb99bc0d17e236434a9bb067d7d91_8a575bd0-08bd-4036-8d1a-69b1074122a4.png

    Human ovarian cancer :

    54713d1dc3cabe542c5d86edf6b62c92_68264f2e-0b6b-4b3f-aed1-636bdf82267c.png

    Sample Requirements


    Sample Type Platform Sample Collection Transportation
    OTC Visium HD 3'

    Ensure that fresh tissues are embedded in OCT within 30 minutes after ex vivo isolation.

    Length × Width: ≤ 6.5 mm × 6.5 mm; Height: ≥ 5 mm

    Mark the cut surface with an asterisk (*) or the label "Cut Surface".

    Stored at -80℃.

    Pack the sorted samples and embed them in dry ice and send it out as soon as possible.

    Ensure sufficient dry ice is used.

    Stereo-seq

    Ensure that fresh tissues are embedded in OCT within 30 minutes after ex vivo isolation.

    The maximum size of the tissue cut surface shall not exceed 0.9 times the chip size. The thickness of the embedded block shall be controlled within 2 cm.

    Mark the cut surface with an asterisk (*) or the label "Cut Surface".

    Stored at -80℃.

    Spatial Full length cDNA Visium HD 3' or Stereo-seq Quantity Requirements:
    ≥ 50ng/flow cell
    Criteria:The fragment size of cDNA is approximately ≥500 bp.
    Stored at -80°C.

    Pack the sorted samples and embed them in dry ice and send it out as soon as possible.

    Ensure sufficient dry ice is used.

    Publications


    Year Journal

    Impact

    Factor

    Title
    2026 Nature Plants 13.6 Host microenvironment in potato-Phytophthora infestans interaction revealed by single-cell spatiotemporal transcriptome.
    2025 Nature Genetics 29.0  High-definition spatial transcriptomic  profiling of immune cell populations in  colorectal cancer.
    2025 Immunity 26.3 Recirculating regulatory T cells mediate thymic regeneration through amphiregulin following damage.
    2025 Nature Cancer 28.5 Spatially resolved transcriptomics and graph-based deep learning improve accuracy of routine CNS tumor diagnostics.
    2025 Nature Communications 15.7 Spatiotemporal transcriptome and metabolome landscapes of cotton somatic embryos.

    What's the best choice?


      10x Visium 10x Visium CytAssist 10x Visium HD Stereo-seq
    Sample Preparation Fresh Frozen Fresh Frozen /FFPE Fresh Frozen/FFPE Fresh Frozen /FFPE
    Chip Size 6.5*6.5m㎡ 6.5*6.5m㎡/11*11m㎡ 6.5*6.5m㎡ 5*5mm2/10*10m㎡
    Capture Area 4 2 2 1
    Spot Size and Count

    55um, about 5000

    spots

    55μm, about5000/14000

    spots

    2μmx2μm(squares), about

    11 million spots

    0.22μm,100/400 million

    spots

    Resolution 100μm 100μm 2μm 0.5μm
    Quality Standard RIN>7 RIN>4 DV200>30% DV200>50% DV200>30% RIN>7/DV200>30%
    Section Thickness 10μm 5μm 5μm 10μm
    Tissue Optimization
    Slide Manual Automatic Automatic Manual
    Principle PolyA capture Probe hybridization Probe hybridization

    PolyA capture/Random

    primers

    Applicable Species All only human and mice only human and mice All

    Measurement

    Sequence

    90G raw data

    60G raw data(6.5*6.5mm2)

    120G raw data(11*11mm2)

    120G raw data

    500M raw reads(5*5mm2)

    1G raw reads(10*10mm2)

    Release Year 2019 2022 2024 2021

    Contact Us

    If you are interested in our long-read sequencing services or potential collaboration, please contact us. Our team is ready to support your research with tailored solutions. We also welcome feedback from users to help us improve our services.

    Contact Us
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    Contact Us

    E-mail:service@sailgene.com

    WhatsApp:1-(617)-223-7544

    Tel:16172237544

    Email:service@sailgene.com

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