2015年度 物質生命理工学科コロキウム

DNA-Encapsulated Silica Nanoparticle Tracers for Fracture Characterization in Geothermal and Shale Gas/Oil Reservoirs
Prof. Roland N. Horne（Stanford University）

日時/場所	2016年 1月8日（金）16:00-17:30 L-821（図書館内会議室）

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DNA-Encapsulated Silica Nanoparticle Tracers for Fracture Characterization in Geothermal and Shale Gas/Oil Reservoirs
Prof. Roland N. Horne（Stanford University）

In geothermal and shale gas/oil fields, energy extraction is dependent on the network of fractures in the reservoir. Therefore, it is essential to understand the characteristics of the reservoir and its flow behavior. Specially manufactured micro- or nanoscale particles are promising tracer candidates because of the high degree of control of their physical and chemical properties compared with conventional solute tracers. In this work, we investigated a DNA-based nanoparticle tracer that has good thermal stability and great capacity for information storage due to its uniquely identifiable character.
The objective of our experiments has been to develop and evaluate a uniquely identifiable particle tracer for use in energy extraction applications. DNA-tagged nanotracers have been made by adsorbing synthetic DNA onto silica nanoparticles which were then coated with silica to protect the DNA.

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