An improved test strip for determining the presence or concentration of unknown or a constituent in a liquid test sample is disclosed. The test strip comprises a support strip and a test pad, wherein the test pad includes a carrier matrix incorporating a reagent composition capable of interacting with the constituent of interest to produce a detectable or measurable response. The test strip further comprises an infrared dye, applied either to the support strip or incorporated into a test pad, which ensures proper alignment of the test strip in an apparatus having a detection system for the detectable or measurable response. The improved test strip reduces the number of erroneous assays for the constituent of interest.
本发明公开了一种改进的测试条,用于确定液体测试样本中未知成分或某种成分的存在或浓度。该试纸包括一个支撑条和一个测试垫,其中测试垫包括一个载体基质,该载体基质含有一种试剂组合物,该试剂组合物能够与相关成分相互作用,产生可检测或可测量的反应。试纸还包括一种红外
染料,可涂在支撑条上或加入测试垫中,以确保试纸在具有检测系统的仪器中正确对准,从而产生可检测或可测量的反应。改进后的试纸可减少相关成分的错误检测次数。