DHS S&T’s Major Customers - University of Washington · An Overview of the Chemical and...
Transcript of DHS S&T’s Major Customers - University of Washington · An Overview of the Chemical and...
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DHS S&T’s Major Customers
Seven operational components receiving over 85% of DHS FY07 appropriated funds
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An Overview of the Chemical and Biological Division
Nels Olson Ph.D.
Program Manager for Next Generation Biological Detection in the R&D Branch
Chemical and Biological DivisionScience and Technology DirectorateDepartment of Homeland Security
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Chemical & Biological Division Organization
Chemical & Biological Division
(CBD)
Division Head.
Deputy Division Head
Threat Characterizationand Attribution Branch
Chemical and Biological R&D Branch
AgriculturalDefense Branch
Transition Branch
Chief Technology Advisor
Chief Agriculture Advisor
Chief Medical and Science Advisor
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Directly from a Capstone Integrated Product Team (IPT)
• Co-chaired by DHS Office of Health Affairs (OHA) and DHS Infrastructure Protection (IP)
• Membership from other DHS operational arms• Identified 50+ Capability Gaps in first IPT
process (FY07)
Where Do Our Requirements Come From?
And they in-turn, base their requirements on• Homeland Security Presidential Directives
(10, 7, 9, 18, 22)• Congressional legislation & guidance• National planning & implementation guidance – NIPP,
FRP, NIMS, and the National Planning Scenarios• Risk, vulnerability and mitigation studies• Private, local, state inputs
Multiple Users
OHA/IP
Chem/BioAcquisition
Chem/Bio Defense IPT
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DHS Plays an Integral Role in Implementing the National Biodefense Strategy
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Detection Paradigms and Timeline
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Early Detection & Treatment Play a Critical Role in the Biodefense Strategy
Prevention
Outcomes(Casualties/Fatalities)
Epidemic(Symptoms)Exposure
0
10000
20000
30000
5 10 15 20 250 2 4 6 8 10 12
Num
ber A
ffect
ed
Incubation
Protection Prophylaxis & TreatmentDaysHours
Containment
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Rapid Bio-Detection Triggers & ConfirmersGoals
Trigger sensors providing an alert of an elevation of biological aerosol particles within 2 minutesTriggered confirmer sensors to provide species-level identification of threat material within 10 minutesContinuously operating confirmer sensors to provide species-level identification of threat material every 2 minutes
RoadmapFY08: initiate extended field testing of trigger
sensorsFY08: BSL-2 level testing of confirmer sensorsFY09: BSL-3 level testing of confirmer sensorsFY09: initiate extended field testing of confirmer
sensorsFY09: pilot testing of trigger and confirmer sensor
networks
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Next Generation Biological Detection
• Design bioinformatics for nucleic acid signatures and toxin proteins and peptides
• Sampling• Sample preparation• Assays• Instruments• Data analysis• Bioinformatic analysis for matching and probability
determination• Decision tools and network agnostic data integration
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CollectedSample Matrix
Sample MatrixWhole Organisms
Scheme for Bio Detection and Analysis
Bucket of ExtraCellular Material
IntactOrganismsSample
Collection
SampleCulling
AnalyteSample
PreparationFor
ExogenousToxins
ToxinImmunoAssays
DNASample
Preparation
RNASample
Preparation
ProteinIntact
Organisms
ToxinImmunoAssays
GeneticGenomicAnalysis
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Proper Sample Matrix Knowledge Increases Operational Lifetime, Adding Robustness
Accounting for and correcting contaminating DNA Matrix Effects in the Sample Preparation and Assay Steps gives lower CVs and more reproducible results
Time of Use for Assay Components (Weeks)
% C
V o
f Ana
lytic
al V
alue
Sacrificial surface introduced during week eight
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Sample Matrix Contamination MitigationA Cleaning Study via Total Organic Carbon
020406080
100120140160180200
TOC
, arb
. uni
ts 60 C 5 Sec 22 C 5 Sec 60 C 30 Sec 22 C 30 Sec
CIP
200
1% B
leac
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icar
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/Tris
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er R
inse
CIP
100
CIP
200
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/Tris
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er R
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CIP
100
CIP
200
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/Tris
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CIP
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CIP
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/Tris
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Con
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Case 1: 100 % Designed, Synthesized and Pure Component Hybridization Analysis
Fluorescence Intensity, RFU
Bead
Synthetic Oligo Probe
Synthetic Oligo Target with Dye Label
Synthetic Oligo Probe
Bead
369,886 Beads With Perfect Match Complement PresentB
eads
(890,055 probe beads x 369,886 dye-labeled, perfect match, targets)
520,169 Beads With No Complement Present
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Presence of Signals in Complex Background of True Negatives
─ Negative Control Signal
─ PMT Noise Level
These are the low number
density true positive signals
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Methods RAW + Quantile RMA + Quantile MBCB + Quantile
SAM 3648 4384 (20%) 4521 (24%)
No background correction just normalized using quantile method
Robust Multi-array Analysis (RMA) Ignores Miss Match probes when correcting the background
Takes into account Miss Match control probes
Incorrect Normalization, Based on Assumptions about Background Distributions of True Negatives
Median Normalized and MBCB used Quantile Normalized and MBCB used
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Bioinformatic Design and Copy Number Variants, Strongly Effect Success of Analysis
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Poor Design and Incidence of High Repeat
0
0.2
0.4
0.6
0.8
1
1.2
0 384 768 1152 15360
0.2
0.4
0.6
0.8
1
1.2
0 384 768 1152 1536
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 384 768 1152 1536
Lead to Poor Signal Intensities and Overall Failed Analyses
Design Scores Repeat Component of Design Score
Continuous Variable Signal Intensity
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0
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0 384 768 1152 1536
0
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1
1.5
2
2.5
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0 384 768 1152 1536
Good Design with Low Copy Numbers
Lead to Acceptable Signal Intensities and Appropriate Analyses
Design Scores Repeat Component of Design Score
Continuous Variable Signal Intensity
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FY09 New Starts in Surveillance & Detection R&D
Portable Biological Agent Detector•Provide capability to test samples for biological threat agents at site of collection•Reduce possibility of biological agents escaping detection at ports of entry•Decrease time to resolve “suspicious white powder” events
Viable Bioparticle Capture•Augments BioWatch information by characterizing the viability of a threat during an attack•More definitive post-event characterization of bioterrorist events
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GoalsValidated assays for Gen 2 & 3 BioWatchOperational capability to make high-confidence assays available for private sector and industry useNext generation assays for detecting enhanced and advanced threats
Multiple Sources
R&D to Develop Validated, Ultra-High Specificity Bio-Detection Assays
RoadmapFY08: top 20 assays for Gen 2 BioWatchFY08: initial set of Gen 3 assaysFY08: pilot the process for developing assays for private sector
and industry useFY09: initial operational capability for developing assays for
private sector and industry use
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Organized into three “Enhanced Homeland Security Capabilities” (EHC)
• Chemical Analysis (threat awareness and attribution) –provides fundamental knowledge that shapes problem understanding
• Detection – develops and demonstrates solutions to promote situational awareness
• Response and Recovery – develop solutions to enhance return to normal state
Addresses broad spectrum of chemical threats (chemical warfare agents, toxic industrial chemicals, non-traditional agents)
Coordinated with and leverages DoD and EPA efforts
Chemical Defense Program Structure
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Successful Transition of Major Programs to Our Customers
Gen 1, 2 BioWatch Rapidly Deployable Chem Detection System (RDCDS)
BioWarning & IncidentQCharacterization System (BWIC)
Mobile Chemical Lab (PHILIS) to EPA
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Rapid detection of the unknown threat• Engineered• Emerging• Advanced threat
Rapid interrogation of containers, suitcases, etc. for chem/bio
Microbial Forensics• Fingerprint libraries vs. novel methods for rapid strain identification
Wide Area Restoration• Rapid characterization of large areas• Actionable information from microbial risk assessments
Challenges
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Nels Olson Ph.D.
Program Manager for Next Generation Biological Detection in the R&D Branch
Chemical and Biological DivisionScience and Technology DirectorateDepartment of Homeland Security
[email protected] 254 5640