Single-molecule Protein Analysis Solutions
Quantum-Si brings the groundbreaking power of single-molecule protein sequencing to every lab, everywhere.
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Platinum® Pro
An advanced benchtop sequencer with Next-Gen Protein Sequencing™ (NGPS™) delivering single-molecule resolution with real-time kinetic insights, enhanced data analysis, and a customizable user experience for variant detection and protein identification in a compact system.
Accessible Proteomics: No dedicated lab space or expertise required
Simplified Workflow: Less than three hours of hands-on time
Insight Generation: Direct detection of proteoforms and modifications
User-friendly Interface: Enlarged touchscreen for intuitive operation
Flexible Data Analysis: Supports both local and cloud-based processing
Protein Sequencing with Single-amino Acid Resolution Discerns Peptides That Discriminate Tropomyosin Proteoforms
Article highlights how Quantum-Si’s technology helped UVA identify key differences between TPM1 and TPM2
Single-molecule Protein Sequencing Applications
Protein Barcoding
Simultaneously characterize multiple protein variants with barcoding, increasing throughput and improving efficiency in screening and therapeutic development.
Protein Identification
Achieve single-amino acid resolution for precise protein characterization, and validation in research and diagnostics.
Protein Variants
Detect amino acid substitutions and isobaric variations with single-molecule resolution, uncovering critical insights into health and disease.
Post-translational Modification Analysis
Precisely analyze proteoforms and post-translational modifications (PTM) to gain deeper functional insights into protein regulation and activity.
Antibody Sequencing and Characterization
Gain deep insights into antibody specificity, affinity, and purity. This advanced approach ensures precise targeting and maximized efficacy in therapeutic development.
Biomarker Identification
Uncover disease biomarkers with single-molecule precision. Gain deeper disease insights through advanced proteomic analysis.
Single-molecule Protein Sequencing Technology
Harness kinetic signatures to sequence proteins and detect proteome changes. Quantum-Si’s NGPS™ simplifies sequencing compared to Edman degradation, dives deeper than mass spectrometry with single-molecule resolution, and detects amino acid-level changes missed by immunoassays, making it a powerful tool for identifying protein variants and modifications.
Single-molecule Resolution
Captures amino acid sequences with unmatched detail
Modification Detection
Identifies post-translational changes in real time
Broad Applicability
Supports research in biomarker discovery, disease mechanisms, and drug development-
Streamlined Workflow
Minimizes reliance on antibodies and mass spectrometry
See the Power of Our Platform
Unleash the Power of Protein Barcoding in Drug Development
Quantum-Si’s Platinum Pro is revolutionizing proteomics in pharmaceutical development with protein barcoding, enabling multiplexed protein variant screening and characterization with faster assay speeds and enhanced throughput.
Accelerated Drug Delivery Development
Streamlines screening of delivery vehicles like lipid nanoparticles (LNPs) and adeno-associated virus (AAV) capsids in vivo, enhancing precision and speed in discovery programs.
Comprehensive Variant Analysis
Enables precise tracking and characterization of protein variants from CRISPR and directed evolution, supporting targeted therapy development.
Enhanced Protein Interaction Studies
Provides in-depth analysis of protein trafficking and interactions, offering crucial insights into cellular mechanisms for drug development.
NEXT-GENERATION PROTEIN
SEQUENCING TECHNOLOGY
INNOVATION LEADERSHIP
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2023 PROTEOMICS
COMPANY OF THE YEAR
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About Quantum‑Si
Founded in 2013, Quantum-Si is pioneering the post-genomic era by making protein sequencing accessible. Their flagship products, Platinum and Platinum Pro are the world’s first Next-Generation Protein Sequencers™, enabling single-molecule, single-amino-acid resolution.
By integrating biology, chemistry, and artificial intelligence, Quantum-Si empowers researchers to study proteins at an unprecedented scale. This innovation is driving groundbreaking advancements in scientific research and drug development.
Publications
Preprint Publication
Protein Barcoding and Next-Generation Protein Sequencing for Multiplexed Protein Selection, Analysis, and Tracking
Publication
Protein Sequencing With Single-Amino Acid Resolution Discerns Peptides That Discriminate Tropomyosin Proteoforms
Preprint Publication
Detecting Amino Acid Variants Using Next-Generation Protein
Sequencing (NGPS)
Publication
Real-Time Dynamic Single-Molecule Protein Sequencing on an
Integrated Semiconductor Device
Latest Press Releases
Upcoming Events
August 26 - 28, 2025
3rd International Top-Down Proteomics Symposium
Hamburg, Germany
October 2 - 3, 2025
Biologics US
San Diego, CA
October 14 - 18, 2025
American Society of Human Genetics
Boston, MA