Analysis method using dry chemical analysis element

An analysis method using a dry chemical analysis element, wherein the method comprises:

• dripping a liquid sample onto the dry chemical analysis element comprising a reagent layer;
• measuring a change in optical density of a reacted portion on the dry chemical analysis element where color reaction between the liquid sample and the reagent layer has occurred;
• and
• determining physical density or activity of a specific biochemical component contained in the liquid sample;
• wherein measuring the change in the optical density comprises:
• measuring one-dimensional distribution of the change in the optical density along a straight line crossing a central portion of the reacted portion by causing a one-dimensional optical reading apparatus to scan the straight line;
• calculating two boundary positions of the reacted portion based on slopes of the obtained one-dimensional distribution of the change in the optical density;
• and
• defining a distance between the two boundary positions as a length of the reacted portion;
• and wherein
• the physical density or the activity is determined based on an integrated value of the change in the optical density and the defined length of the reacted portion.

An analysis method using a dry chemical analysis element, wherein the method comprises:

• dripping a liquid sample onto the dry chemical analysis element comprising a reagent layer;
• measuring a change in optical density of a reacted portion on the dry chemical analysis element where color reaction between the liquid sample and the reagent layer has occurred;
• and
• determining physical density or activity of a specific biochemical component contained in the liquid sample;
• wherein measuring the change in the optical density comprises:
• measuring two-dimensional distribution of the change in the optical density over an entire spread area of the reacted portion by causing a two-dimensional optical reading apparatus to scan the entire spread area;
• and
• measuring the spread area of the reacted portion using the two-dimensional optical reading apparatus;
• and wherein the physical density or the activity is determined based on an integrated value of the change in the optical density and the measured spread area.

An analysis method using a dry chemical analysis element, wherein the method comprises:

• dripping a liquid sample onto the dry chemical analysis element comprising a reagent layer;
• measuring change in optical density of a reacted portion on the dry chemical analysis element where color reaction between the liquid sample and the reagent layer has occurred;
• and
• determining physical density or activity of a specific biochemical component contained in the liquid sample;
• wherein measuring the change in the optical density comprises:
• measuring two-dimensional distribution of the change in the optical density over an entire spread area of the reacted portion by causing a two-dimensional optical reading apparatus to scan the entire spread area;
• calculating a boundary of the reacted portion based on slopes of the measured two-dimensional distribution of the change in the optical density;
• and
• defining an area within the calculated boundary as the spread area of the reacted portion;
• and wherein the physical density or the activity is determined based on an integrated value of the change in the optical density and the measured spread area of the reacted portion.