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About Countstar


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About Countstar

Introducing Countstar®Cell Analysis Systems, a line of instruments with an innovative combination of advanced technologies. Countstar®brings together the functionality of digital microscopes, cytometers and automated cell counters into its intuitively designed systems. By combining bright-field and fluorescent imaging with classical dye-exclusion technologies, extensive data on cell morphology, viability, and concentration is generated in real time. Countstar®Systems go further by generating high-resolution images, the essential basis for sophisticated data analysis. With more than 2,000 analyzers installed worldwide, Countstar®analyzers are proven to be valuable tools in research, process development, and validated production environments.

The Countstar®brand was inspired by the endless possibilities a person experiences when counting stars in the night sky. With this approach, Countstar®explores the limits of technology. Countstar®was founded by ALIT Life Sciences, an emerging manufacturer of innovative equipment and consumables for the biological research community. Headquartered in the high-tech district of Shanghai, ALIT Life Sciences develops and produces the analytical equipment of the future.


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Cell Line Analysis

Cell concentration, viability, and cell size and aggregation measurement A sample containing cells in suspension is mixing with Trypan blue dye, then drawn into the Countstar Chamber Slide analyzed by Countstar® Automated Cell Counter. Basis on classic trypan blue staining, integrating advanced optical imaging technology and intelligent image recognition technology. Countstar® Automated Cell Counter not only provide the cell concentration and viability, but also provide the average diameter and average circularity, and show the diameter range and aggregation of cells in histograms etc. Table of Content Aggregated Cell Analysis Measuring Cell Concentration and Viability Cell Size Measurement Aggregated Cell Analysis Figure 3 Counting of aggregated cells.  A. Image of Cell sample; B. Image of Cell Sample with identification mark by Countstar BioTech software. (Green Circle: Live cell, Yellow Circle: Dead cell, Red Circle: Aggregated Cell). C. Aggregated Histogr...
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Stem Cell Therapy

Determination of viability, morphology and phenotype for stem cell therapy Mesenchymal stem cells are a subset of pluripotent stem cells which can be isolated from the mesoderm. With their self-replication renewal and multi-direction differentiation characteristics, they possess a high potential for various therapies in medicine. Mesenchymal stem cells have a unique immune phenotype and immune regulation ability. Therefore, mesenchymal stem cells are already widely used in stem cell transplantations, tissue engineering and organ transplantation. And Beyond these applications, they are used as an ideal tool in tissue engineering as seeder cells in a series of basic and clinical research experiments. stem cell analysis The Countstar FL can monitor the concentration, viability, apoptosis analysis and phenotype characteristics (and their changes) during the production and differentiation of these stem cells. The Countstar FL has also the advantage in obtaining additional morphologic...
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Countstar® Rigel S3 Fluorescence Cell Analyzer

Countstar® Rigel S3 Fluorescence Cell Analyzer CAR-T Cell cell mediated Cytotoxicity Studies Phenotypic Charaterization of CAR-T cells Viability and Concentration assay for : 1. Quality control of original blood samples 2. PBMC isolation efficiency tests 3. Cultured status of incubated T-lymphocytes 4. Process Monitoring of modified CAR-T cells 5. Final Product released control. Product Overview The Countstar S3 System combines the three fluorescence channels plus a bright field digital microscope, an image cytometer, and a cell counter in a single bench-top instrument. This application-driven, compact, automated cell imaging system provides an all-in-one solution for cell counting, cell viability and T/NK cell mediated cytotoxicity through the use of preconfigured biological applications (BioApps). They are designed to simplify routine cell lab tasks，which leaves you time to focus on the research! Excitation light: 375nm, 480nm, 525nm Emission filter：460nm, 535nm...
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