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    • 2. 发明申请
    • COMPATIBLE SOLUTE ECTOINE AS WELL AS DERIVATIVES THEREOF FOR ENZYME STABILIZATION
    • 兼容的溶解性ECTOINE作为其稳定酶的衍生物
    • WO2013131885A1
    • 2013-09-12
    • PCT/EP2013/054351
    • 2013-03-05
    • ROCHE DIAGNOSTICS GMBHF. HOFFMANN-LA ROCHE AGCHEMNITIUS, GabrieleGAA, OttoNAGEL, ThomasRECHT, Karl
    • CHEMNITIUS, GabrieleGAA, OttoNAGEL, ThomasRECHT, Karl
    • C12Q1/32
    • C12Q1/32G01N2333/902
    • The present invention is concerned with means and methods for maintaining and preserving enzymatic activity. In particular, the invention relates to a dry composition comprising a dehydrogenase, a redox cofactor, an agent capable of eliciting at least one optical change in an optical property of an indicator reagent in the presence of redox equivalents, an indicator reagent, and at least one compatible solute being ectoine or a derivative thereof. The invention further contemplates a diagnostic test element for the determination of an analyte from a body fluid sample and a method for the manufacture of such a test element. Further envisaged by the present invention is the use of at least one compatibie solute as mentioned above for reducing a decrease of the enzymatic activity of at least one enzyme in a composition under dry conditions. Furthermore, contemplated is a method for determining the presence or amount analyte in a body fluid sample based on the test element according to the invention.
    • 本发明涉及维持和保存酶活性的方法和方法。 特别地,本发明涉及一种干组合物,其包含脱氢酶,氧化还原辅因子,能够在氧化还原当量存在下引发指示剂的光学性质的至少一种光学变化的试剂,指示剂试剂和至少 一种相容的溶质是ectoine或其衍生物。 本发明进一步考虑了用于确定来自体液样品的分析物的诊断测试元件以及用于制造这种测试元件的方法。 本发明进一步设想的是使用如上所述的至少一种相容性溶质来减少干燥条件下组合物中至少一种酶的酶活性的降低。 此外,预期的是基于根据本发明的测试元件来确定体液样品中存在或量的分析物的方法。
    • 7. 发明授权
    • METHOD AND DEVICE FOR DETERMINING SAMPLE APPLICATION
    • VERFAHREN UND VORRICHTUNG ZUR BESTIMMUNG EINER PROBENAUFTRAGUNG
    • EP2893328B1
    • 2017-02-22
    • EP13758873.7
    • 2013-09-05
    • Roche Diabetes Care GmbHF. Hoffmann-La Roche AG
    • ALBRECHT, GertrudGAA, OttoLORENZ, RobertRUECKERT, Frank
    • G01N21/84
    • G01N33/66G01N21/8483Y10T436/144444
    • Methods are provided for photometrically determining/detecting sample application to an analytical test element for use with a blood glucose measuring device, where the method includes obtaining a sequence of reflectance readings from the test element with the measuring device, including a blank value prior to sample application, and then monitoring changes of the reflectance readings from the test element with respect to a sample application condition defined by a limit for a reflectance decrease or a reflectance threshold. The methods also can include adjusting the sample application condition in accordance with a drift correction and can include determining an analyte concentration in the body fluid sample. In addition, photometric blood glucose measuring devices are provided that incorporate the methods disclosed herein.
    • 提供了用于光学测定/检测样品应用于与血糖测量装置一起使用的分析测试元件的方法,其中该方法包括从测试装置获得来自测试元件的反射读数序列,包括样品前的空白值 应用,然后监测来自测试元件的反射率读数相对于由反射率降低或反射率阈值的限制定义的样品施加条件的变化。 所述方法还可以包括根据漂移校正来调整样品施加条件,并且可以包括确定体液样品中的分析物浓度。 此外,提供了结合本文公开的方法的光度血糖测量装置。