Test strip with clear base support layer for visual perception of a liquid sample during application

一种用于测定液体样品(如全血)中的分析物(例如血糖)的试条，包括底座支持层和置于底座支持层上的试剂垫。另外，底座支持层被设定为至少邻近试剂垫的部分由光学透明材料制成，从而使得在将液体样品施加于试剂垫的过程中，使用者能够通过底座支持层观察到液体样品。该试条可任选地包括限定多余液体样品的储池。储池可由底座支持层上的亲水区与疏水区限定，也可由环绕试剂垫平台的底座支持脊限定。试条也可以包括：具有凸出的试剂垫平台的底座支持层，置于凸出的试剂垫平台上的试剂垫，以及置于底座支持层之上的上层。底座支持层和上层的至少邻近试剂垫的部分由透明材料制成，从而使得在将液体样品施加于试剂垫的过程中，使用者能够通过底座支持层和上层观察到液体样品，另外，试条被设定为具有由底座支持层与上层限定的、适于限定多余液体样品的储池。 A test strip for use in the detection of an analyte (e.g., blood glucose) in a liquid sample (e.g., a whole blood sample) includes a base support layer and a reagent pad disposed on the base support layer. In addition, at least a portion of the base support layer in proximity to the reagent pad is formed of a clear material such that a user can perceive the liquid sample through the base support layer during application of the liquid sample to the reagent pad. The test strip optionally includes a reservoir for restraining excess liquid sample. The reservoir can be defined by hydrophilic and hydrophobic regions of the base support layer or by base support ridges that circumscribe the reagent pad. Also a test strip that includes a base support layer with a raised reagent pad platform, a reagent pad disposed on raised reagent pad platform and an upper layer disposed above the base support layer. At least a portion of the base support layer and at least a portion of the upper layer that are in proximity to the reagent pad are formed of a clear material such that a user can perceive the liquid sample through the base support and upper layers during application of the liquid sample to the reagent pad. In addition, the test strip is configured such that a capillary reservoir adapted for restraining excess fluid sample is defined by the base support layer and the upper layer.