{"product_id":"96-well-microplates-lids-conical-bottom-0p30ml-ps-222803101ve1","title":"0.30 mL Microplates, Conical Bottom, PS, Natural — 222-8031-01V | 100\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e0.30 mL 96-Well Conical-Bottom Microplate with Lid — Sterile PS, Natural, 100\/Individually Packed (222-8031-01V)\u003c\/h2\u003e\n\u003cp\u003eThese sterile 96-well polystyrene microplates feature conical-bottom wells with a 0.30 mL per-well capacity and include an individual lid for evaporation control and contamination prevention. The conical well geometry concentrates cell and bead pellets at a defined point, maximizing recovery after centrifugation — making these plates well-suited for wash-based assays, bead-based assays, and high-throughput screening workflows. Each plate and lid are individually packed to support aseptic technique at the point of use, and the standard SBS footprint ensures compatibility with multichannel pipettes, automated liquid handling systems, and microplate readers.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e222-8031-01V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWell Format\u003c\/td\u003e\n\u003ctd\u003e96-Well\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWell Volume\u003c\/td\u003e\n\u003ctd\u003e0.30 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Style\u003c\/td\u003e\n\u003ctd\u003eConical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLid\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolystyrene (PS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eNatural (Clear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eSterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e100\/Individually Packed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCell pelleting by centrifugation, with conical geometry concentrating pellets for efficient, low-loss recovery\u003c\/li\u003e\n\u003cli\u003eWash-based and bead-based assays requiring repeated centrifugation and supernatant removal steps\u003c\/li\u003e\n\u003cli\u003eCell-based assays where complete cell recovery between wash cycles is critical to assay integrity\u003c\/li\u003e\n\u003cli\u003eHigh-throughput screening (HTS) and ELISA using standard 96-well reagent volumes\u003c\/li\u003e\n\u003cli\u003eExtended incubation workflows where the included lid minimizes evaporation and cross-contamination\u003c\/li\u003e\n\u003cli\u003eAseptic cell culture and sensitive assay workflows that require individually sterile labware at point of use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline \/ cell culture media\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethanol\u003c\/td\u003e\n\u003ctd\u003eGood — use with caution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eLimited — short-term contact only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthyl acetate\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic \/ chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclaving\u003c\/td\u003e\n\u003ctd\u003eNot recommended (PS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Caplugs® Evergreen microplates are produced at ISO-certified manufacturing facilities from BPA-free, phthalate-free polystyrene resin. Individual sterile packaging supports lot-level traceability for regulated laboratory environments, including CAP\/CLIA-accredited clinical labs and ISO 15189-compliant facilities. LabSupplies.com is an authorized dealer of Caplugs® Evergreen consumables and ships from USA inventory, with tiered pricing available for high-volume institutional and grant-funded accounts.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these microplates sterile, and how are they packaged?\u003c\/strong\u003e\u003cbr\u003eYes — each plate and its lid are individually packed sterile, supporting aseptic technique at the point of use without the need to open a bulk bag and risk contaminating unused plates.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy choose a conical-bottom plate over a flat- or round-bottom plate for cell work?\u003c\/strong\u003e\u003cbr\u003eThe conical well geometry guides cells and beads to a defined point at the bottom of each well during centrifugation, producing a compact, easily visible pellet. This significantly reduces cell loss during supernatant removal in wash-based and bead-based assay workflows compared to flat or U-bottom geometries.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre these plates compatible with automated liquid handling and plate readers?\u003c\/strong\u003e\u003cbr\u003eYes — the plates conform to the standard SBS 96-well footprint, making them compatible with standard multichannel pipettes, automated liquid handling systems, microplate washers, and microplate readers. The natural (clear) PS construction also provides the optical clarity needed for absorbance measurements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan these plates be autoclaved for re-use?\u003c\/strong\u003e\u003cbr\u003eNo — polystyrene is not autoclavable. These plates are intended for single use. Because each plate is individually packed sterile, autoclaving is unnecessary for typical sterile-technique workflows.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"0.30 mL 96-Well Conical-Bottom Microplate with Lid, Sterile PS, Natural — 100\/Individually Packed\",\"sku\":\"222803101VE1\",\"mpn\":\"222-8031-01V\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polystyrene (PS)\",\"color\":\"Natural (Clear)\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"215.71\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these microplates sterile, and how are they packaged?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — each plate and its lid are individually packed sterile, supporting aseptic technique at the point of use without the need to open a bulk bag and risk contaminating unused plates.\"}},{\"@type\":\"Question\",\"name\":\"Why choose a conical-bottom plate over a flat- or round-bottom plate for cell work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The conical well geometry guides cells and beads to a defined point at the bottom of each well during centrifugation, producing a compact, easily visible pellet. This significantly reduces cell loss during supernatant removal in wash-based and bead-based assay workflows compared to flat or U-bottom geometries.\"}},{\"@type\":\"Question\",\"name\":\"Are these plates compatible with automated liquid handling and plate readers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — the plates conform to the standard SBS 96-well footprint, making them compatible with standard multichannel pipettes, automated liquid handling systems, microplate washers, and microplate readers. The natural (clear) PS construction also provides the optical clarity needed for absorbance measurements.\"}},{\"@type\":\"Question\",\"name\":\"Can these plates be autoclaved for re-use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — polystyrene is not autoclavable. These plates are intended for single use. 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