New SamplingSensor Initiative Ne SSI Analytical Applications and
- Slides: 29
New Sampling/Sensor Initiative (Ne. SSI™) Analytical Applications and Web Tools Dave Veltkamp, CPAC
Overview of Talk Discuss how Ne. SSI™ can facilitate laboratory applications and how current development fits lab needs Examples of Ne. SSI™ as a platform for micro analytical devices and analyzers Mention some web-based resources at CPAC
What does Ne. SSI™ Provide Simple “Lego-like” assembly Easy to re-configure No special tools or skills required Standardized flow components “Mix-and-match” compatibility between vendors Growing list of components Standardized electrical and communication (Gen II) “Plug-and-play” integration of multiple devices Simplified interface for programmatic I/O and control Advanced analytics (Gen III) Micro-analyzers Integrated analysis or “smart” systems
Ne. SSI™: Enabler for Micro. Analytical (the “rail” concept) Standard “connectivity” Standard Electrical (Digital) Interface “Rail” Anyone’s Sensor P Anyone’s Actuator V Standard Mechanical Interface “Rail” *Sensor/Actuator Manager SAM* Standard “hockey-puck PC”
Where Does Ne. SSI™ Fit in the Lab Instrument/Sensor Interfaces Design standards make development simpler n n Reduced toolset to be mastered Reduced sample variability to account for Calibration/validation built-in n n Consistent physical environment for measurement Stream switching and/or mixing allow generation of standards to match analytical requirements Reaction monitoring Microreactors and continuous flow reactors Batch reactors (with fast loop) Sample Preparation Gas handling (mixing, generation, delivery) Liquid handling (mixing, dilution, conditioning, etc. )
Special Lab Ne. SSI™ Requirements Flowing streams Need to move liquid and gas streams through Ne. SSI™ Most laboratory analysis involves discrete samples rather than sample streams Analytical characterization of flow in Ne. SSI™ needed Heating and Cooling Laboratory applications need both May require more rapid thermal response Integration with other lab apparatus Serial communication and legacy I/O Integration with lab software systems Low cost Competing with other solutions that don’t carry some of Ne. SSI’s more exotic features
Ne. SSI™ and Microreactors Investigate integration of Ne. SSI™ with continuous flow microreactors Initially as analyzer interface Eventually as complete fluidics framework Automation requires Gen II
Initial Sensor Integration Continuous Microreactor Online Raman Probe Sample Flow Cell
Ne. SSI Raman Sampling Block • Parker Interflow Ne. SSI substrate • Sample conditioning to induce backpressure to reduce bubble formation and the heated substrate allows analysis at reactor conditions
NESSI Microreactor Sampling/Calibration System Pump 1 Reactor Feed 1 Product Stream Reactor Feed 2 Real-time Calibration waste prod Pump 2 Raman Probe
Benefits of Ne. SSI™ to Reaction Analysis Conditioning and manipulation of sample introduced to analyzer Better control of sample physical parameters Phase Temperature Velocity Ability to implement sensors at points where measurement parameters are optimal Flexibility for performing calibration online without removing sensor Fast switching of streams for measurement, calibration or validation
Ne. SSI™ Fermentation System Switching filter system to handle particulate laden liquid streams Cells in fermentation broth Supplied by Bob Sherman, Circor Interested in plugging, cleaning, and other issues related to bio/pharma applications 2 Filters
Fermentation Headspace System Designed to allow fermentation headspace monitoring Fast circulation loop of headspace gases Addition of calibration gases Output to process Mass spectrometer MFC Calibration gases MFC MFC Fermentor Headspace Loop MFC To Mass Spec
Example Sensor Interface Sensor is a vapochromatic compound Responds to different compounds by intensity and wavelength shifts in fluorescence signal Optical detection using simple VIS spectrometer LED excitation light source n Simple reflection optical fiber light path n Use of Ball. Probe to provide single-sided optical interface Vapochrome coated on ball surface Ne. SSI™ system to control delivery and mixing of gas stream
Ne. SSI Gas Mixing System Using a customized ballprobe reflectance probe for vapochromic detection - Ocean optics spectrometer - ballprobe coated with vapochrome - Ne. SSI substrate with 2 MFC’s
Ne. SSI Gas Mixing System Fluorescence response of vapochrome to dry N 2 and cylinder air Intensity (counts) 800 Experiment - 25 ms - 20 accums Dry N 2 600 Air 400 200 650 700 750 Wavelength (nm) 800 850
Vapochromic Response Movie
Vapochrome Summary Use of Ne. SSI™ system allowed for better control and characterization of sensor response Less variability and faster response to gas composition changes Ability to generate gas mixtures in situ Opens up potential for additional studies to quantitatively characterize a library of vapochromatic compounds to different analytes Investigate optimal sensor design
Ne. SSI™ Knowledge Network Main topic page divided into 4 sections News and Information Discussion (Ne. SSI Q&A) Component List n Only Manufacturers group may post here Testing and Examples Main Ne. SSI™ web site http: //www. cpac. washington. edu/Ne. SSI. htm NKN can be found at http: //www. cpac. washington. edu/Ne. SSI/NKN. html
Component List Sub-topics Page shown from the “Valve, Manual” topic Listing of topics under manual valve main topic Number of posts will correspond to different available components
Component List Page Example post from the component list page URL from Vendor Spec. sheet or link Picture, description, or link to more information Other Vendors are currently working to populate the list with more components
User Self-Registration Allows users to setup accounts Selecting to join “Manufacturers” group will queue user’s registration until a moderator approves it. Membership in other groups automatically approved immediately Profile data will be used for Ne. SSI™ mailing list Check the options available from the “Edit Profile” link once user activates account Once user submits registration form, they are sent an email with instructions for activating their new account Your account is not active till you log in and follow the instructions in the email
NKN Conclusion New software and web site ready to be used Need to work on additional instruction sheets Thanks to Michelle Cohn, UOP for helping CPAC buy a new server to host Ne. SSI™ and NKN web sites Ne. SSI Component List is becoming populated Major manufacturers already signed up and starting to supply content Need to get smaller suppliers to do the same Need to get user community to register and start using it Expect Email announcements soon (1 -2 weeks)
Ne. SSI™ Sensor Survey The purpose of this survey is to gather information on the sensors and actuators needed for Ne. SSI Generation II Sample Systems, Analytical Systems, and Cluster Applications. This data will be shared with sensor and instrument vendors to help them prioritize development of the devices needed across industries and applications. The more information you can provide, the faster better products and performance can be delivered
Ne. SSI™ Sensor Survey (cont. ) On-line survey form on the CPAC Ne. SSI™ web site http: //www. cpac. washington. edu/Ne. SSI/CPAC_ Ne. SSI_Sensor_Survey. htm Questions about condition sensors Are you interested How would you rank their importance Operating ranges Questions about analytical sensors Are you interested How would you rank their importance Operating ranges Questions about actuators Questions about “Clusters” Optional contact information
Ne. SSI™ Sensor Survey Results Condition Sensors Analytical Sensors
Ne. SSI™ Sensor Survey Results Actuators Clusters 11 of the 15 respondents indicated they would share information with Vendors
Ne. SSI™ Sensor Survey (cont. ) Plan is to continue to solicit responses from users Additions to survey questions or content welcome May expand survey activities to help provide market directions to suppliers Other aspects of Ne. SSI™ development n n Applet Software and other issues relate to SAM New opportunities or innovations Need to reach beyond the normal Ne. SSI™ enthusiasts Combined with the discussion board, surveys provide a valuable resource for both end-users and manufacturers of Ne. SSI
Summary & Conclusion Ne. SSI™ Gen II ready for development Working spec/prototype design complete Prototypes demonstrated in real applications Near resolution of the Ne. SSI™ bus issue For some laboratory applications Gen II and Gen III will immediately work and provide benefits The future holds a lot of promise!!
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