{"product_id":"pnpp-phosphatase-assay-kit-bht15600231","title":"pNPP Phosphatase Assay Kit","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eFor quantitative determination of phosphatase enzyme activity. The assay uses OD405nm for signal readout. Compatible sample input includes Protein phosphatases. Typical stated assay timing is 30 min.\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReadout format:\u003c\/strong\u003e OD405nm supports plate-based signal acquisition and consistent comparison across matched samples.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSample compatibility:\u003c\/strong\u003e The stated sample scope includes Protein phosphatases, which is useful when aligning matrix type with calibration and control design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalytical range context:\u003c\/strong\u003e The supplied specifications include a stated detection limit of 3 ng for interpreting low-signal samples.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature emphasis:\u003c\/strong\u003e High sensitivity and wide linear range. The detection limit is generally 3 ng phosphatase or below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional feature notes highlight Homogeneous and simple procedure. No wash or reagent transfer steps are involved. The assay can be completed within 30 minutes; Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Available format information for this listing includes 500 Tests.\u003c\/p\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003eThis product is centered on measurement of pnpp phosphatase within the matrices described for the assay. In practice, datasets from this type of format are typically interpreted by comparing relative signal, activity, or abundance across matched control and experimental groups rather than relying on a single value in isolation. Careful alignment of sample matrix, incubation window, and calibration strategy is important when comparing results across plates, operators, or study days.\u003c\/p\u003e\n\n\u003ch2\u003eMore details\u003c\/h2\u003e\n\u003cp\u003ep-nitrophenyl phosphate (pNPP) is a chromogenic substrate for most phosphatases such as alkaline phosphatases, acid phosphatases, protein tyrosine phosphatases and serine\/threonine phosphatases. The reaction yields para-nitrophenol, which becomes an intense yellow soluble product under alkaline conditions and can be conveniently measured at 405 nm on a spectrophotometer. This homogeneous “mix-and-measure” assay involves simply adding a single reagent to the phosphatase and measuring the product formation on an absorbance reader. The assay can be conveniently performed in cuvettes, tubes or multi-well plates at either room temperature or 37°\u003c\/p\u003e\n\n\u003ch2\u003eDetection method\u003c\/h2\u003e\n\u003cp\u003eColorimetric (OD 405 nm).\u003c\/p\u003e\n\n\u003ch2\u003eDetection limit and analytical sensitivity\u003c\/h2\u003e\n\u003cp\u003eReported detection limit: 3 ng.\u003c\/p\u003e\n\n\u003ch2\u003eProcedures and timing\u003c\/h2\u003e\n\u003cp\u003eStated procedure or timing information: 30 min.\u003c\/p\u003e\n\n\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePlate-based quantification and side-by-side group comparison remain central use cases for this assay format.\u003c\/li\u003e\n  \u003cli\u003eThe product notes emphasize multi-sample throughput, making it relevant for screening-oriented and larger batch comparison studies.\u003c\/li\u003e\n  \u003cli\u003eShort assay timing and plate compatibility support time-course or repeated-measure collection plans when handling is kept consistent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eQuantify pnpp phosphatase in protein phosphatases by OD405 nm readout.\u003c\/li\u003e\n  \u003cli\u003eCompare treatment or phenotype groups using matched protein phosphatases handling.\u003c\/li\u003e\n  \u003cli\u003eMonitor time-course or pre\/post changes in protein phosphatases across study conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInterpretation is usually strongest when signal changes are assessed alongside matrix-matched controls, replicate agreement, and the assay's stated analytical window.\u003c\/p\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMatrix composition, background signal, and sample handling can influence apparent response; compare like-with-like whenever possible.\u003c\/li\u003e\n  \u003cli\u003eUse appropriate blanks, controls, and replicate wells to distinguish biological differences from plate, reagent, or handling variability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Sources (internal):\n- Product Description column\n- Key Features column\n- More Details column\n- Method \/ Sample Type(s) \/ Assay Time \/ Detection Limit \/ Detection Method columns\n- Procedures column\n- Screening Services column\n--\u003e","brand":"BioAssay Systems","offers":[{"title":"500 Tests","offer_id":53238320628077,"sku":"POPN-500","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/POPNfig.jpg?v=1776668363","url":"https:\/\/www.ebiohippo.com\/products\/pnpp-phosphatase-assay-kit-bht15600231","provider":"BioHippo","version":"1.0","type":"link"}