{"product_id":"96-well-microplates-round-bottom-0p32ml-ps-10box-2228052r1ke1","title":"0.32 mL Microplates, Round Bottom, PS, Natural — 222-8052-R1K | 10\/Box | Caplugs® Evergreen","description":"\u003ch2\u003e96-Well Round-Bottom Microplates, 0.32 mL\/Well — Sterile PS, No Lid, 10\/Box\u003c\/h2\u003e\n\u003cp\u003eThese sterile 96-well polystyrene microplates feature a round-bottom well geometry and a 0.32 mL per-well volume, making them well-suited for cell culture, agglutination assays, hemagglutination inhibition, and any workflow that benefits from uniform cell pelleting. Supplied without lids in a 10\/box bulk format, they conform to the standard SBS footprint for seamless integration with multichannel pipettes, automated liquid handlers, microplate readers, and washers. The natural (clear) polystyrene construction provides the optical clarity needed for absorbance and fluorescence measurements across common assay platforms.\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\u003e222-8052-R1K\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\u003e0.32 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Style\u003c\/td\u003e\n\u003ctd\u003eRound Bottom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLid\u003c\/td\u003e\n\u003ctd\u003eNot Included\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\u003e10\/Box\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 culture and cell-based assays requiring round-bottom geometry for consistent pelleting and resuspension\u003c\/li\u003e\n\u003cli\u003eAgglutination assays and hemagglutination inhibition (HI) testing in clinical and research settings\u003c\/li\u003e\n\u003cli\u003eImmunoassays and ELISA workflows on standard microplate readers and washers\u003c\/li\u003e\n\u003cli\u003eHigh-throughput screening and drug discovery where bulk sterile supply and SBS-format automation compatibility are required\u003c\/li\u003e\n\u003cli\u003eAbsorbance and fluorescence measurements leveraging the optical clarity of polystyrene construction\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\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\u003eCompatible — 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\u003eAcetone \/ alcohols \u0026gt;70%\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclave\u003c\/td\u003e\n\u003ctd\u003eNot suitable — PS is not autoclavable\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 manufactured at ISO-certified facilities from BPA-free, phthalate-free polystyrene resin, with lot-level quality controls ensuring consistent well geometry, round-bottom surface uniformity, and material integrity across every box. LabSupplies.com is an authorized Caplugs® Evergreen dealer and ships from USA inventory, making it straightforward for procurement teams to maintain supply continuity for high-throughput assay workflows. Tiered pricing is available for institutional accounts and grant-funded laboratories with recurring volume requirements.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these microplates sterile?\u003c\/strong\u003e\u003cbr\u003eYes — each plate in the 10\/box pack is supplied sterile, making them ready for direct use in cell culture and sensitive assay workflows without additional treatment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo these plates include lids?\u003c\/strong\u003e\u003cbr\u003eNo, lids are not included. The open-format bulk packaging is intended for high-throughput workflows where plates are processed quickly and individual lids are not required, or where a universal lid is sourced separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre these plates compatible with automated liquid handling systems and standard microplate readers?\u003c\/strong\u003e\u003cbr\u003eYes — the plates conform to the standard SBS footprint, so they integrate with multichannel pipettes, automated liquid handlers, microplate readers, and washers designed for 96-well format instrumentation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy choose round-bottom wells rather than flat- or V-bottom?\u003c\/strong\u003e\u003cbr\u003eRound-bottom geometry provides a curved well surface that encourages uniform cell settling and simplifies resuspension, which is particularly advantageous for agglutination assays, hemagglutination inhibition testing, and general cell culture applications where consistent pelleting matters.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"96-Well Round-Bottom Microplates, 0.32 mL\/Well, Sterile PS, No Lid — 10\/Box\",\"sku\":\"2228052R1KE1\",\"mpn\":\"222-8052-R1K\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polystyrene (PS)\",\"color\":\"Natural (Clear)\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"173.66\",\"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?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — each plate in the 10\/box pack is supplied sterile, making them ready for direct use in cell culture and sensitive assay workflows without additional treatment.\"}},{\"@type\":\"Question\",\"name\":\"Do these plates include lids?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, lids are not included. 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