Biological and Chemical Sensors Based on Graphene Materials Review
Day 3 Platforms Biological sensors Chemical sensors.
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Transcript of Day 3 Platforms Biological sensors Chemical sensors.
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Day 3
• Platforms
• Biological sensors
• Chemical sensors
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Bio (optical) instruments
• Fluorometers• Transmissometers• Backscatter sensors• Absorption meters• Radiance sensors• Irradiance sensors• Fast repetition rate fluorometer (bacteria)• Molecular probes
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Figure 2. (Above) the UCSB BLOOMS-II mooring package included sensors for determination of optical backscattering, chlorophyll fluorescence, downwelling irradiance (4 wavelengths) , and upwelling radiance (4 wavelengths). (Upper right) The WET Labs
backscattering and fluorescence sensors incorporated newly designed anti -fouling shutters developed for this project (Lower left). UCSB engineers developed an external shutter module for incorporation with the Satlantic downwelling and upwelling optical sensors.
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Partially opened shutter after
deployment.
Figure 3. Fouling remains one of the foremost challenges in deploying instruments over longer time periods. The above photographs show the
UCSB/WET Labs’ optical packages after a 4-month deployment. Note that while the instrument packages are heavily fouled, optical surfaces remained in tact.
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