Commercial solutions in Nanotechnology. Marker technology for the clinical and lifescience diagnostics market, UK
Synthesising gold colloid for use in SERSs or SERRS application. The reaction is almost complete with the votex of colloid turning from gold to black. Whole system acts as a marker. Enables detection of very small or diluted particles. Each molecule in a solution for detection has a different characteristic spectrum. With the addition of a gold or silver colloid, to a roughened surface, the SERs signal produced is greatly enhanced. This signal is read by a 534 nm or nanometer neon laser. With a number of different molecules in solution mixture, each can be detected by deconvoluting the data using specialist software after analysis by the excitation laser. This produces various energy levels in the molecules of interest. The laser light is reflected back to produce these energy levels for detection. A polymer can be used as a coating to protect the gold or silver SERRs substrate and the marker. Technology can be adapted to an application. Company Oxonica are leaders in commercial solutions from nanotechnology. Used in healthcare for the screening of blood, DNA strands or antibodies for diseases or health conditions. SERS Nanotags are being developed, a biomarker detection technology for simpler diagnotic tests and information in real time. Other uses include fuel saving additives for automotive industry to improve fuel economy, control emissions, reduce particulates. Also, further UV absorber protection applications in sunscreen cosmetic markets and bandages for burns. Materials behave differently at the nanoscale because they exhibit novel optical, magnetic and electrical properties, and a substantial increase in surface area which enhances chemical activity. Nanotechnology has the potential in to be used in technologies from energy, the environment, information, communication, semi conductors, chemicals, medical and forensic science, drugs and in making stronger, lighter materials. A nanometre or nm is one billionth of a metre, meter. A very small size scale.
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Location: English, United Kingdom, Europe, GB, England, Great Britain, UK
Photo credit: © NCP Images / Alamy / Afripics
License: Licensed
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