Integrated Glass Chip•Institute of Microchemical Technology Co., Ltd.
Institute of Microchemical Technology Co., Ltd.
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[Microchemistry] [Experiments]
Recently, microminiaturization and integration of the chemical system have been receiving the international attention. By the extreme reduction of the measurement time, the quantities of samples or wastes, and experimental space, moreover the promotion of measurementefficiency and its portability, it is assumed that on-demand or on-site chemical processes will be established. The technology integrates and microminiaturizes the chemical process on a glass chip just like the same concept of semiconductor integrated circuit.

By a glass chip with channels of 10's to 100's micrometer depth integrates the chemical processes such as mixing, reaction, separation, and detection can be integrated in a microspace.

Characteristics of the liquid microspace are that;
the narrow space:
Diffusible space or migration area of the molecules is shortened in the liquid miceospace, and the reaction timeis therefore reduced. Diffusion time (reaction time) can be extremely shortened by narrowing down the space due to the fact that the diffusion time (reactiontime) is proportional to the square of diffusion distance.
the large interface:
The internal surface area of the flow channel is large compare to the volume of the samples.
the small calorific capacity:
Rapid heating and cooling are possible because of the small calorific capacity of the liquid microspace.
It is possible to create a super effective system by the integration of the experimental processes which could be advanced by the features mentioned above. Furthermore, the microchemistry can revolutionary lead an novel technology in a field of chemical engineering or industry such as a chemical plant.
Size effect
Size --- 1/100
Diffusion time --- 1/10,000
Reaction time of diffusion controlled reaction
Time of molecular transportation
Volume --- 1/1,000,000
Required space,reagents and waste.
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