| 摘要 |
This invention discloses a substrate of an analytical strip. The substrate has a channel provided concavely on an upper surface of the substrate. The channel comprises a first area for receiving a fluid sample, a second area for delivering the fluid sample, and a third area where the fluid sample reacts. These areas are connected sequentially. Nitrocellulose layers are formed at bottoms of both the second area and the third area. The conformation of the nitrocellulose layers is a hollow matrix. In addition, the nitrocellulose layer of the second area has an average thickness that is not greater than that of the nitrocellulose layer of the third area.
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