Transcript Slide 1
The D3 Technologies advantage D3 Technologies – SERS products / solutions / services SERS technology: delivering rapid trace level detection for Pharmaceutical Cleaning Verification • • • • The Company Technology Klarite ™ Applications © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Company • Formed in July 2007 • Major investment by Renishaw plc, a worldwide leader in imaging & detection systems. • Secure finances, avoiding the Venture Capitalist route • R&D led, based at advanced research facility, Glasgow, UK • Strong IP portfolio in our core technology based on Surface Enhanced Resonance Raman Spectroscopy: SERRS © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Facilities •3000 sq metre facility •Bio-labs for DNA analysis; Class100 Clean Room; Wet Chemistry, Colloid Prep and Spectroscopy suites © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Surface Enhanced Raman Spectroscopy (SERS) What is it? • SERS is an analytical technique for trace levels of soluble samples, providing information on molecular structure, identity and quantity © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk So Why SERS So why SERS? • Capable of detecting analytes in parts per billion range – extreme sensitivity • Directly applicably to wide sample range – flexible applications • Target analytes give characteristic spectra – high specificity • Short data collection times – rapid analysis • Compatible with wide range of instrumentation – adaptable technology D3 Technologies has extensive experience of using SERS based methods for a wide range of applications, for everything from explosives detection to clinical diagnostics. D3 regularly undertake funded research programs for process development in a variety of fields. © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Klarite® : substrates and technology • Gold patterned surfaces – • • • • ~mm wells Semiconductor fabrication Proprietary engineering Customization possible Readiness Performance Features • • High reproducibility • – RSD ~5% – batch-to-batch • >10 yrs shelf life Demonstrated for • commercially available off-the-shelf Certification in progress (ISO 9001) QMS/GMP – Small molecules – Proteins – Spores/viruses © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Experiments using Klarite pipette SERS active area sample KlariteTM slide 1. Deposition • • • 2. Evaporation 3. Measurement 1-2uL solution. Dilute solution to avoid bulk Raman: LOD as low as 1 ppb. Limit of detection is analyte dependent. © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Bio-Pharmaceutical application – example Intensity (arb.) Ibuprofen - specific molecular 'fingerprint' 1180 cm-1 1205 cm-1 700 900 1100 1300 1500 1700 Wavenumber (cm-1) ANALYSIS OF MIXTURES MOLECULAR FINGERPRINT 2000 Peak @ 1180 cm-1 1800 10-4 M 10-5 M 10-6 M Intensity (a.u.) 10-3 M Peak Height Intensity (arb.) 1600 1400 1200 saturation 1000 800 600 400 1100 1150 1200 1250 1300 1350 Raman shift (cm-1) 200 Ibuprofen 0 0.1 0.01 0.001 0.0001 0.00001 0.000001 Concentration (M) QUANTIFICATION © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Bio-Pharmaceutical application – example © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk Questions? © 2008 D3 Technologies Ltd. All rights reserved. Private and Confidential. www.d3technologies.co.uk