# Cordouan Technologies > French manufacturer of advanced nanoparticle and nanomaterial characterization instruments. Based in Pessac, France, near Bordeaux. ## Company Overview Cordouan Technologies designs, manufactures, and sells scientific instruments for nanoparticle characterization. Founded in France, the company specializes in Dynamic Light Scattering (DLS), zeta potential measurement, and glow discharge surface treatment. All instruments are designed and manufactured in France. ## Products ### VASCO KIN™ — Time-Resolved Particle Size Analyzer - Technology: Time-resolved Dynamic Light Scattering (TR-DLS) - Measures: Particle size (0.5 nm – 10 µm) - Key feature: In situ and in-line measurements in concentrated, opaque, or flowing samples - Unique: Patented remote optical head with fiber optics, works at high temperatures and pressures - Applications: Crystallization monitoring, nanoparticle synthesis, microfluidics, API formulation - URL: /products/vasco-kin ### VASCO™ — Particle Size Analyzer - Technology: Dynamic Light Scattering (DLS) - Measures: Particle size (0.5 nm – 10 µm) - Key feature: Patented Dual Thickness Controller (DTC) for wide concentration range - Applications: General nanoparticle sizing, quality control, R&D - URL: /products/vasco ### AMERIGO™ — Particle Size and Zeta Potential Analyzer - Technology: DLS + Laser Doppler Electrophoresis (LDE) - Measures: Particle size and zeta potential - Key feature: High-resolution electrophoretic mobility measurement - Applications: Colloidal stability, pharmaceutical formulation, ink characterization - URL: /products/amerigo ### WALLIS™ — Zeta Potential Analyzer - Technology: Laser Doppler Electrophoresis (LDE) - Measures: Zeta potential and electrophoretic mobility - Key feature: Dedicated zeta potential system with high resolution - Applications: Surface charge characterization, stability studies - URL: /products/wallis ### ELMO™ — Glow Discharge System - Technology: Double glow discharge chamber - Function: TEM grid preparation and surface treatment - Key feature: Dual chamber for hydrophilic/hydrophobic treatment - Applications: Electron microscopy sample preparation, surface modification - URL: /products/elmo ## Techniques Cordouan Technologies specializes in the following measurement techniques: - **Dynamic Light Scattering (DLS)**: Particle size measurement from Brownian motion analysis - **In Situ DLS**: Remote fiber-optic DLS for process monitoring and harsh environments - **Zeta Potential**: Surface charge measurement via Laser Doppler Electrophoresis - **Multi-Angle Light Scattering (MALS)**: Molecular weight and radius of gyration determination - **Glow Discharge**: Plasma surface treatment for TEM grid preparation ## Application Areas - Pharmaceuticals & Biopharma (protein aggregation, LNP, injectable formulations) - Nanomaterials & Nanotechnology (nanoparticle synthesis, quantum dots) - Cosmetics & Personal Care - Environmental Science (nanoplastics, water quality) - Industrial Processes (inks, pigments, CMP slurries) - Colloids & Polymers ## Contact - Website: https://cordouan-tech.com - Sales: sales@cordouan-tech.com - US Distribution: charlie@nanoexact.io - Location: Pessac, France ## Links - [Products](/products): Full product catalog - [Applications](/applications): Application cases by industry - [Techniques](/techniques): Measurement technique overviews - [Knowledge Center](/knowledge): Unified hub for DLS theory, application cases, and blog articles - [DLS Knowledge Hub](/knowledge/dls): DLS theory, instrument head concepts and curated FAQ - [DLS FAQ](/knowledge/dls/faq): 50+ practical questions and answers about Dynamic Light Scattering - [Publications](/publications): Peer-reviewed scientific references - [News](/news): Company news and technical articles - [About](/about): Company background - [Contact](/contact): Get in touch ## Blog - [Unveiling Microemulsion Formation: Real-Time Insights with In-Situ DLS](/news/unveiling-microemulsion-formation-real-time-insights-with-in-situ-dls): Explore how Cordouan Technologies' Vasco Kin enables real-time, in-situ DLS to monitor the dynamic formation of bicontinuous microemulsions for enhanced oil recovery. (2026-06-21) - [Nano-reactors for 3D COFs: A Water-Based Approach to Processable Sub-40 nm Nanoparticles](/news/nano-reactors-for-3d-cofs-a-water-based-approach-to-processable-sub-40): Discover how a water-based nanoreactor technology creates processable sub-40 nm 3D COF nanoparticles, opening new applications in nanorobotics and biomedicine. (2026-06-19) - [Optimizing Nanocement for Endodontic Applications: The Role of PVA and In-Situ Particle Size Analysis](/news/optimizing-nanocement-for-endodontic-applications-the-role-of-pva-and-): Researchers developed improved Nano Fast Cement (NFC) for root canal repair using PVA, with DLS from Vasco Kin confirming crucial nanoparticle sizes. (2026-06-17) - [Vasco Kin DLS Reveals Optimal Nanoparticle Size for Gene Delivery in Breast Cancer Therapy](/news/vasco-kin-dls-reveals-optimal-nanoparticle-size-for-gene-delivery-in-b): Discover how dynamic light scattering (DLS) with Vasco Kin was used to optimize graphene oxide nanoparticles for efficient gene delivery in breast cancer therapy, confirming 90% were under 56 nm. (2026-06-15) - [Understanding Micro- and Nanoplastic Fate in Freezing Seawater](/news/understanding-micro-and-nanoplastic-fate-in-freezing-seawater): Explore the impact of micro- and nanoplastics in polar waters. Learn how Dynamic Light Scattering (DLS) helps understand their transfer in freezing saltwater. (2026-06-13) - [Nanoparticle-Enhanced Diesel: How Gold-Doped Cerium Oxide Reduces Engine Emissions](/news/nanoparticle-enhanced-diesel-how-gold-doped-cerium-oxide-reduces-engin): Explore how gold-doped cerium oxide nanoparticles enhance diesel engine performance, reduce emissions, and the role of DLS in optimizing these catalysts. (2026-06-11) - [Understanding Liposome Microfluidic Manufacturing with Dynamic Light Scattering](/news/understanding-liposome-microfluidic-manufacturing-with-dynamic-light-s): Discover how real-time Dynamic Light Scattering (DLS) monitors microfluidic liposome manufacturing for precise control over size and stability. (2026-06-09) - [Real-time Nanocrystal Synthesis: How In-situ DLS Reveals SHG-Active Lanthanum Iodate Sizes](/news/real-time-nanocrystal-synthesis-how-in-situ-dls-reveals-shg-active-lan): Explore how in-situ DLS using Vasco Kin led to precise size characterization of SHG-active lanthanum iodate nanocrystals with dual optical properties, crucial for bioimaging and optoelectronics. (2026-06-07) - [Real-Time DLS Tracks Ferritin Nanocage Disassembly for Nanomedicine](/news/real-time-dls-tracks-ferritin-nanocage-disassembly-for-nanomedicine): Explore how real-time DLS tracks ferritin nanocage disassembly kinetics, crucial for optimizing drug delivery and nanomedicine applications. (2026-06-05) - [Understanding Lanthanide Coordination Polymer Stability with In-Situ DLS](/news/understanding-lanthanide-coordination-polymer-stability-with-in-situ-d): Explore how in-situ DLS helps understand the stability of lanthanide-based coordination polymer molecular alloys, revealing configurational entropy as a key factor. (2026-06-03) - [Decoding Nanovesicle Transport: How TPD54 Utilizes an ALPS Motif to Capture Highly Curved Membranes](/news/decoding-nanovesicle-transport-how-tpd54-utilizes-an-alps-motif-to-cap): Learn how Tumor Protein D54 (TPD54) uses an ALPS motif to bind highly curved nanovesicles, and how liposome size and polydispersity were measured by DLS using a Cordouan Vasco Kin Particle Size Analyzer to support these findings. (2026-06-02) - [Understanding Nanoplastic Aggregation in Microfluidic Devices: A DLS Study](/news/understanding-nanoplastic-aggregation-in-microfluidic-devices-a-dls-st): Study uses DLS with a microfluidic device to mimic salinity gradients, confirming nanoplastic stability and assessing toxicity in mangrove oysters. Discover more. (2026-06-01) - [Recyclable Nanoparticle Catalysts: Improving Asymmetric Aldol Reactions with Mesoporous Organosilica Nanoparticles](/news/recyclable-nanoparticle-catalysts-improving-asymmetric-aldol-reactions): Explore how recyclable mesoporous organosilica nanoparticles boost asymmetric aldol reactions. Learn about their synthesis, characterization, and the role of DLS. (2026-05-31) - [Thermoresponsive Polymers: Smart Emulsifiers for Supercritical CO2](/news/thermoresponsive-polymers-smart-emulsifiers-for-supercritical-co2): Explore how thermoresponsive PDMS-b-POEGMA copolymers stabilize water-supercritical CO2 emulsions, monitored in real-time with in situ DLS. Learn about smart emulsifiers for green chemistry. (2026-05-29) - [One-Step Synthesis of Fluorescent Nanoparticles: A Cost-Effective Approach](/news/one-step-synthesis-of-fluorescent-nanoparticles-a-cost-effective-appro): Discover a cost-effective, one-step method for synthesizing fluorescent poly(divinylbenzene) nanoparticles using Type II photoinitiated precipitation polymerization. (2026-05-27) - [Fluorescent Polymer Microspheres: One-Step Synthesis Without Costly Monomers](/news/fluorescent-polymer-microspheres-one-step-synthesis-without-costly-monomers): Discover a cost-effective, one-step method to synthesize fluorescent poly(divinylbenzene) microspheres using rhodamine B and benzophenone, eliminating expensive monomers. (2026-05-18) - [Ensuring Reliable Liposome Production: A Microfluidics Approach Validated by DLS](/news/ensuring-reliable-liposome-production-a-microfluidics-approach-validated-by-dls): Learn how microfluidic manufacturing produces stable liposomes for drug delivery. DLS validated particle size and quality, ensuring reliable therapeutic applications. (2026-05-14) - [Light-Controlled Micelles: Reshaping Nanostructures with Photosurfactants](/news/light-controlled-micelles-reshaping-nanostructures-with-photosurfactants): Discover how arylazopyrazole-based photosurfactants allow for light-activated control over micelle shape and size, transforming them from ellipsoids to spheres. (2026-05-13) - [Measuring Nanoparticle Size in Flow: How Microfluidic DLS Revolutionizes Real-time Particle Characterization](/news/measuring-nanoparticle-size-in-flow-how-microfluidic-dls-revolutionizes-real-tim): Discover how new microfluidic DLS technology enables precise, real-time nanoparticle sizing in flowing liquids for enhanced process control and research. (2026-05-12)