{"product_id":"omni-international-19-646-3-ceramic-bead-media-2-8-mm","title":"Omni International Ceramic Bead Media 2.8 mm Total of 325 grams","description":"\u003ch3\u003eOmni International Bulk Ceramic Grinding Bead Media, 2.8 mm (19-646-3) – 325 Grams\u003c\/h3\u003e\n\u003cp\u003eThe Omni International 19-646-3 is a premium, high-density lysis matrix consumable engineered for the rapid mechanical disruption of challenging biological substrates. Composed of ultra-pure zirconium oxide ($ZrO_2$) ceramic spheres, these 2.8 mm beads are optimized for use within high-energy bead mill homogenizers, including the Omni Bead Ruptor 4, Bead Ruptor 12, Bead Ruptor 24, and Bead Ruptor Elite platforms. The specific density and spherical geometry of the 2.8 mm ceramic media provide an ideal balance of shear and impact forces, fracturing resilient fibrous tissues without causing excessive thermal degradation to sensitive analytes. Supplied as a **325-gram bulk bottle**, this pack enables laboratory facilities to custom-load empty containers—such as **Omni 2 mL Tough Tubes (19-648)**—at a highly economical operational price point.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Kinetic Mechanics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Density Zirconium Oxide Core: Formulated from advanced zirconium oxide stabilized with yttria, yielding a high material density ($\\approx 6.0\\text{ g\/cm}^3$). This mass delivers superior kinetic energy transfer during multi-directional shaking loops compared to standard glass or silica beads.\u003c\/li\u003e\n\u003cli\u003eEngineered Shearing Matrix: The 2.8 mm sizing is physically optimized to interface with mid-to-large structural sample boundaries. It is highly effective at tearing through tough animal organs, plant matter, and dense bioprocessing pellets while leaving downstream nucleic acids (DNA\/RNA) and proteins intact.\u003c\/li\u003e\n\u003cli\u003eChemical and Thermal Inertness: Highly resistant to cracking, chipping, or shattering under violent acceleration speeds (up to 8 m\/s). The ceramic composition is completely non-reactive with strong lysis buffers, organic solvents, or acids, preventing heavy-metal contamination or unwanted sample adsorption.\u003c\/li\u003e\n\u003cli\u003eBulk Packaging Flexibility: Packaged in a wide-mouth, secure polymer bottle containing 325 grams of dry media. This enables laboratory technicians to alter bead volumes per tube dynamically to optimize extraction performance for non-standard tissue quantities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCatalog Number \/ MPN: 19-646-3 (Bulk Ceramic Matrix)\u003c\/li\u003e\n\u003cli\u003ePrimary Manufacturer: Omni International (A Revvity Company)\u003c\/li\u003e\n\u003cli\u003eBead Diameter Scale: 2.8 mm\u003c\/li\u003e\n\u003cli\u003eMaterial Chemistry: Premium Zirconium Oxide ($ZrO_2$) Ceramic | High-Durability Finish\u003c\/li\u003e\n\u003cli\u003eApproximate Density: $6.0\\text{ g\/cm}^3$ nominal density profile\u003c\/li\u003e\n\u003cli\u003eNuclease Content Baseline: Certified RNase-free, DNase-free, and protease-free prior to field loading\u003c\/li\u003e\n\u003cli\u003eCompatible Hardware Tracks: Omni Bead Ruptor Series (Optimized for standard 2 mL, 7 mL, or 15 mL tube carriages)\u003c\/li\u003e\n\u003cli\u003eTotal Pack Net Weight: 325 Grams\u003c\/li\u003e\n\u003cli\u003ePackaging Configuration: Standalone wide-mouth bulk storage bottle with an airtight threaded closure cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFibrous and Hard Tissue Disruption: The standard choice for homogenizing resilient biological matrices including animal heart tissue, skeletal muscle, whole brain matter, liver biopsies, and tough plant leaves or stems.\u003c\/li\u003e\n\u003cli\u003eCustom Matrix Development: Allows laboratories to compound custom multi-size bead mixtures (e.g., pairing 2.8 mm ceramic spheres with smaller 0.1 mm glass beads) to simultaneously lyse hard tissues and cellular membranes within a single run.\u003c\/li\u003e\n\u003cli\u003eContamination-Free Extraction Sequencing: The single-use disposal pathway of custom-filled tubes avoids the intensive washing, autoclaving, and cross-contamination risks tied to traditional steel rotor-stator generator probes.\u003c\/li\u003e\n\u003cli\u003eDownstream Assay Compatibility: Rapid processing ensures rapid cellular release, maximizing yield metrics for downstream extraction cascades including automated column filtration, qPCR validation, and next-generation sequencing (NGS).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eAll product names, logos, and brands are property of their respective owners.\u003c\/small\u003e\u003c\/p\u003e","brand":"Omni International","offers":[{"title":"Default Title","offer_id":49261426409724,"sku":"10887","price":270.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/omni-international-ceramic-bead-media-28-mm-total-of-325-grams-other-omni-international-572401.jpg?v=1783525253","url":"https:\/\/lifesciencestrading.com\/es\/products\/omni-international-19-646-3-ceramic-bead-media-2-8-mm","provider":"Life Sciences Trading","version":"1.0","type":"link"}