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Since its inception in April 2001, Cranfield University at Kitakyushu has worked to develop collaborative projects with universities, industries and public institutions in Japan. From the base at Kitakyushu Science and Research Park strong collaborative links have been forged with Kitakyushu University, Kyushu Institute of Technology and Kitakyushu City. Projects have evolved to benefit the local community and industry.



Nanobiotechnology
Background:
In April 2003, an agreement to support a three-year collaborative research programme in biotechnology and nanotechnology was signed between the City of Kitakyushu and Cranfield University. Meetings between Professor Ramsden of Cranfield University and Professor Yoshizuka of Kitakyushu University resulted in an agreement to begin collaborative research in the field of nanobiotechnology.

Current research:
A fibre-optic sensor system for measurement of quality and quantity of solution composition has been developed. The system is constructed with N+1 fibres, comprising sensors for N chemical components, and one reference channel for temperature. The sensitive elements are films deposited onto the end faces of the optical fibres. Each separate film element is selectively sensitive to a particular chemical component. In the currently available system two types of measurement techniques - amplitude and interferometric are possible.
Scheme of interferometric fibre-optic sensors for chemical detection
Scheme of interferometric fibre-optic sensors for chemical detection


Advantages of this system include:
  • high sensitivity due to phase sensitive elements;
  • a wide dynamic measurement range;
  • stability;
  • no necessity to use expensive and unwieldy coherent optical emitters;
  • multiparameter sensitivity and multifunctionality;
  • absence of electric currents in the sensitive sensor zone;
  • serviceability in explosive environments;
  • immunity to external electromagnetic influences;
  • full compatibility for medicine and the environment (i.e. absence of toxicity);
  • suitability for high volume manufacture and deployments;
  • the low cost and compactness.

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| Eco-Design and Sustainability | Biotechnology | Nanobiotechnology |

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