Royal Marker specializes in the manufacture and distribution of high-quality specimen marking dyes for pathology, histology, gross rooms, and Mohs laboratories. Its dyes are designed for identifying areas of microscopic interest, such as surgical margins, and for orienting excised tissue specimens during routine laboratory workflows. Royal Marker formulations are developed to remain clearly visible after frozen sectioning and tissue processing, with strong color saturation and resistance to bleeding, smearing, fading, or color change. These dyes can be used on both fresh and fixed tissue and are widely applied in margin marking, Her-2/neu FISH workflows, rotating color patterns for needle biopsy specimens, and general specimen identification. 

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Vicbio Biotechnology Co., Ltd. provides the full range of Royal Marker products.

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●Specimen Marking Dyes

Royal Marker specimen marking dyes are formulated for reliable tissue orientation and margin identification in pathology and histology workflows. The dyes are engineered to withstand the rigors of frozen sectioning and tissue processing while remaining sharp, visible, and stable without bleeding, fading, or discoloration, helping ensure clear specimen marking throughout laboratory handling.

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