{"product_id":"corning-microplate-lids-for-96-well-plates-low-evaporation-with-notch","title":"Corning Microplate Lids for 96 Well Plates Low Evaporation with Notch 100 Lids","description":"\u003ch3\u003eCorning Costar 96-Well Microplate Low-Evaporation Lids – Crystal Clear Polystyrene, Corner Notch Alignment, Condensation Rings, Sterile, Non-Pyrogenic (MPN: 3931)\u003c\/h3\u003e\n\u003cp\u003eThe Corning Life Sciences 3931 (also cataloged as 3931-CS \/ CLS3931) is a premium, cell-culture-grade microplate lid precision-engineered to provide robust environmental containment, absolute optical clarity, and advanced evaporation control for high-throughput screening and delicate cellular assays. Injection-molded from ultra-pure, crystal-clear virgin polystyrene, this rigid lid features a universal rectangular footprint designed to fit standard 96-well flat, round, or V-bottom microplates and assay blocks. The lid incorporates individual, precision-molded vertical condensation rings that align perfectly over each well to intercept moisture tracking and maintain a uniform vertical headspace environment. Outfitted with a specialized directional corner notch to prevent orientation errors, these sterile lids are ideal for cell culture workflows, minimizing edge-effect evaporation over multi-day incubation cycles.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Performance and Engineering\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eAdvanced Low-Evaporation Matrix:\u003c\/b\u003e Designed with individual micro-condensation rings built into the ceiling profile. These rings guide evaporating moisture back down into the origin wells, preventing erratic volume drops and suppressing the devastating \"edge-effect\" during long incubations.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eUnidirectional Corner Notch Layout:\u003c\/b\u003e The lower outer corner of the lid is engineered with a strict mechanical structural notch. This configuration fits perfectly against corresponding notched plate shoulders, ensuring the lid can only be seated in one orientation to remove cross-well mixing mistakes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eValidated Medical-Grade Purity:\u003c\/b\u003e Sterilized via validated gamma irradiation protocols to secure an aseptic state. Every factory lot is independently certified non-pyrogenic (endotoxin level less than 0.1 EU\/mL) and non-cytotoxic to defend primary cells and stem line expansions.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eOptically Clear Assay Scanning:\u003c\/b\u003e The high-transmission virgin polystyrene matrix allows for uninterrupted visual inspection under light microscopes and supports standard vertical colorimetric or fluorescence plate reader scans without removing the protective shield.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eCatalog Number \/ MPN:\u003c\/b\u003e 3931 (Cross-listed as CLS3931 \/ 3931-CS)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eManufacturer \/ Brand:\u003c\/b\u003e Corning Life Sciences \/ Costar®\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eFormat Microplate Suitability:\u003c\/b\u003e Optimized for all standard 96-well microplates, high-binding ELISA plates, and tissue culture blocks (ANSI\/SLAS footprint compliant)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eMaterial Composition:\u003c\/b\u003e Ultra-Clear Rigid Virgin Polystyrene (PS)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eSpecialized Features:\u003c\/b\u003e Low Evaporation Condensation Rings \/ Directional Corner Orientation Notch\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eSterility Metric \/ Packaging:\u003c\/b\u003e Gamma Irradiated Sterile (Individually blister-packed or sleeved in cleanroom bundles)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eStandard Case Configuration:\u003c\/b\u003e Case of 100 Lids total (Divided into 4 convenient inner packages containing 25 lids per sterile sleeve)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Benefits and Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eCell Culture and Hybridoma Seeding:\u003c\/b\u003e The gold standard protective barrier for multi-day cell growth, tissue culture expansion loops, and transfection assays carried out inside humidified carbon dioxide incubators.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eHigh-Throughput Automation Compatibility:\u003c\/b\u003e Rigid external tolerances and low-profile vertical stacking shoulders allow automatic plate handler grippers, stacker cassettes, and barcode scanners to load and clear the lids cleanly without stalling.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eElisa Reagent Evaporation Defense:\u003c\/b\u003e Prevents volume loss and baseline concentration drift during high-temperature plate incubations or prolonged antibody coating stages, maintaining signal linearity across assay rows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eContamination-Protected Airflow:\u003c\/b\u003e Tightly calculated vertical skirt perimeters shield well grids from falling particulates and ambient cross-draft contamination while allowing smooth gas exchange loops required for cellular respiration.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003cp style=\"margin: 0; font-size: 0.8em;\"\u003e\u003ci\u003eAll product names, logos, and brands are property of their respective owners.\u003c\/i\u003e\u003c\/p\u003e","brand":"Corning","offers":[{"title":"Default Title","offer_id":45898738368764,"sku":"6505","price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/corning-microplate-lids-for-96-well-plates-low-evaporation-with-notch-100-lids-microplates-corning-644827.jpg?v=1784345652","url":"https:\/\/lifesciencestrading.com\/products\/corning-microplate-lids-for-96-well-plates-low-evaporation-with-notch","provider":"Life Sciences Trading","version":"1.0","type":"link"}