Powering the Proteomic Era
Quantum-Si brings the groundbreaking power of single-molecule protein sequencing to every lab, everywhere.
Learn About Our Products
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
Quantum-Si just made the cover of the June issue of Drug Development & Delivery. In the published article, Meredith Carpenter, PhD details how protein barcoding can streamline mRNA therapeutic and vaccine development.
Single-molecule Protein Sequencing Applications
Protein Barcoding
Simultaneously characterize multiple protein variants with barcoding, increasing throughput and improving efficiency in screening and therapeutic development.
High-throughput Screening
Evaluates multiple protein samples in parallel
Delivery Optimization
Enhances efficiency in LNP and AAV applications
Cost Efficient
Multiplex drug targets in vitro and in vivo
Protein Identification
Achieve single-amino acid resolution for precise protein characterization, and validation in research and diagnostics.
Comprehensive Profiling
Confirms protein identities in complex samples
Highly Sensitive
Identifies proteins as low as 50 fmol
Validation Support
Ensures antibodies isolate the correct targets
Protein Variants
Detect amino acid substitutions and isobaric variations with single-molecule resolution, uncovering critical insights into health and disease.
Amino Acid Changes
Differentiates between single-amino acid substitutions (SAAS)
Isobaric Resolution
Distinguishes similar residues such as leucine and isoleucine
Modification Recognition
Identifies post-translational modifications with unique kinetic signatures
Post-translational Modification Analysis
Precisely analyze proteoforms and post-translational modifications (PTM) to gain deeper functional insights into protein regulation and activity.
Modification Mapping
Detects phosphorylation, methylation, and acetylation
Proteoform Insights
Distinguishes functionally relevant protein variants
Quantification Power
Measures relative PTM abundance
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.
Binding Specificity
Verifies antibody interaction with target antigens
Identify Interactions
Detect binding partners from immunoprecipitation
Purity Assessment
Detects contaminants that impact performance
Biomarker Identification
Uncover disease biomarkers with single-molecule precision. Gain deeper disease insights through advanced proteomic analysis.
Protein Characterization
Provides deeper insights into biomarker function
Precision Detection
Identifies biomarkers missed by traditional methods
Multiomic Integration
Connects proteomic data with genomic and transcriptomic insights
Next-Gen 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
See Analyst Report
2023 PROTEOMICS
COMPANY OF THE YEAR
INNOVATION BY
DESIGN 2023
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
July 3, 2025
Quantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common Stock
June 24, 2025
Upcoming Events
July 21 - 25, 2025
5th Annual mRNA-Based Therapeutics Summit
Boston, MA
August 26 - 28, 2025
3rd International Top-Down Proteomics Symposium
Hamburg, Germany
October 2 - 3, 2025
Biologics US
San Diego, CA