Single-molecule Protein Sequencing Solutions

Powering the Proteomic Era

Quantum-Si, The Protein Sequencing Company™, brings the groundbreaking power of single-molecule protein sequencing to every lab, everywhere.

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.

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    Accessible Proteomics: No dedicated lab space or expertise required
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    Simplified Workflow: Less than three hours of hands-on time
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    Insight Generation: Direct detection of proteoforms and modifications
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    User-friendly Interface: Enlarged touchscreen for intuitive operation
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    Flexible Data Analysis: Supports both local and cloud-based processing

See Platinum® Pro

This preprint publication, from the experts at Quantum-Si, delves into how barcoding can inprove the analysis, tracking and quantification of multiple proteins simultaneously in a simple, fast and cost-effective workflow.

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

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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

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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

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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

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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

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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

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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.

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    Single-molecule Resolution
    Captures amino acid sequences with unmatched detail
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    Modification Detection
    Identifies post-translational changes in real time
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    Broad Applicability
    Supports research in biomarker discovery, disease mechanisms, and drug development
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    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.

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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​​

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Comprehensive Variant Analysis

Enables precise tracking and characterization of protein variants from CRISPR and directed evolution, supporting targeted therapy development.

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Enhanced Protein Interaction Studies

Provides in-depth analysis of protein trafficking and interactions, offering crucial insights into cellular mechanisms for drug development

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NEXT-GENERATION PROTEIN
SEQUENCING TECHNOLOGY
INNOVATION LEADERSHIP

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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.

Learn More About Quantum-Si

Publications

Preprint Publication

Protein Barcoding and Next-Generation Protein Sequencing for Multiplexed Protein Selection, Analysis, and Tracking

Preprint 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