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Genetics 4600 > Sensors > Flashcards

Sensors Flashcards

1
Q

Examples of Schedule I drugs

A

Opium, heroin, Fentanyl

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2
Q

Examples of Schedule II

A

Cannabinoids

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3
Q

Examples of Schedule IV

A

Valium Xanax tramadol

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4
Q

What are challenges with trace drugs

A

Fluctuation of drug supplies
Emergence of novel compounds
Addition of cutting agentsd

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5
Q

What does scotts test for

A

Cocaine

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6
Q

Three main types of color tests

A

general screening
Drug class selective
Functional group selective

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7
Q

General Screening color tests

A

For wide range of drugs
Distinct color for each broad class of drug

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8
Q

Drug class selective color test

A

Reagents which will only show a color change with the target drug of interest

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9
Q

Functional group selective color test

A

Reagents indicate the presence of functional group in a drug

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10
Q

3 reasons Raman strengthens law enforcement

A

Point and shoot feature
Court admissible results
Faster turnaround

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11
Q

What drugs can trunarc detect

A

Opioids
Stimulants
Hallucinogens
Analgesics
Depressants
Derivatives

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12
Q

What is the worlds only handheld instrument that incorperates Fourier transform infrared and Raman spectroscopies in one unit

A

Gemini Analyzer

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13
Q

What drug is cheaper and easier to obtain then Heroin

A

Fentanyl

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14
Q

Synthetic opioid more powerful than fentanyl

A

Carfentanil

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15
Q

Info on TACTICID-N Plus Device

A

Non-contact forensic analysis of narcotics and pharmeceuticals
Samples can be non-destructively analyzed through opaque and transparent packaging
Largest library >1000 substances

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16
Q

IONSCAN 600

A

Using ion mobility spectroscopy for trace detection of drugs
real-time screening
Highly sensitive, non-radioactive, lightweight

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17
Q

Mass Spectrometry used in the field

A

GC-MS
DESI MS
DART MS
PSI MS

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18
Q

PSI MS

A

Highly sensitive and reproducibility make it a viable method for drug checking for harm reduction services

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19
Q

If you are measuring in grams, which device should you use

A

mmWave

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20
Q

If you are measuring in milligrams which device should you use

A

Raman

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21
Q

If you are using micrograms, which device should you use

A

Colorimetric tests

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22
Q

If you are in nanograms which device should you use

A

MS or IMS

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23
Q

If you are in picograms which device should you use

A

truetrace

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24
Q

If you are in fentograms which device should you use

A

Canine tracking

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25
What are the chemicals of interest when looking at explosives
Nitroglycerin TNT Benzene Nitrate RDX TATP PETN Peroxide ANFO C4
26
How does truetrace work
Vapor enters the system, explosive molecules are swept across the true trace detection system Travels down tube and touches material detecting military ex. - red Next material b - nitrates - green Next C - Peroxides - purple
27
What does CHEMSEE detect
Functional group based sensor TNT PETN Nitroglycerine Nitrate and perchlorides
28
What does Nitro-Pen detect
Nitro containing explosives - TNT PeTN RDX
29
ON the spot can detect what
Explosive residues Inorganic nitrates NO NITRO groups
30
What dos verifier detect
Explosive precursors Oxidizers
31
What does Gel-Ox detect
Liquid or Gel Explosive precursors Oxidizers
32
Advantages of CHEMSEE
Detects already mixed homemade explosives Designated for simple use Full color instructions non-hazerdous waste Take <1 minute/ detector
33
How does sprayview detection kit work
Spray onto collection swab and look for colour changes
34
7 items contained in sprayview kit
Detection spray A Detection spray B Detection Spray C Validation Tabs Cleansing solution Sample collection pads Full color instructions
35
What is in Detection spray A
Explosive residues of aromatic compounds - TNT, DNT, MNT Any benzene will react to aromatic compounds turns Blue or Black in 20 seconds
36
What is in detection spray B
Explosive residues and aliphatic comppounds (chains) RDX, HMX, PETN and others None of these have benezenes Turns red or pink in 20 seconds
37
What is in detection spray C
Explosive residues of inorganic nitrates Ammonium nitrate, potassium nitrate, sodium nitrate Turns Pink in 20 seconds
38
3A2Z Explosive Fertilizer Identification Kit colours
either green or yellow in zone one. If green - ammonium containing Either clear or blue in zone two. if blue - nitrate containing Either clear or red in zone three if red urea containing
39
What does exploscan device detect
Homemade explosives: ammonium nitrate & ammonium sulphate - TNT - C4 - RDX - precursors - Semtex - date sheet
40
Four bodily fluid test results
Detected Suggested Inconclusive not detected
41
What is the blood ID test
Kastle-meyer test Detected: visible blood-like staining and positive kastle meyer Suggested: NA Inconclusive: A positive kastle meyer test in the absenve of blood-like stianing Not detected: negative kastle meyer
42
At what wavelength is saliva seen
gives characteristic emission at ~350nm when excited at 282nm
43
At what wavelength is urine seen
emission at 340 nm excited at 290
44
What wavelength is semen seen
Emission at 370 nm excited at 285 nm
45
What does an breathalyzer contain
anode and cathode
46
Define schedule I
Substances or chemicals with no current accepted medical use and a high potential for abuse
47
Define schedule II
Substances or chemicals with a high potential for abuse with use potentially leading to severe psychological or psychological dependence
48
Define schedule III
Substances or chemicals with moderate to low potential for physical and psychological dependnece
49
Define schedule IV
Substance or chemicals with a low potential for abuse and low risk of dependency
50
Define schedule V
Substances with lower potential abuse than IV and consist of preperations containing limited quantities of certain narcotics
51
Test results for cocaine,l and heroin using Raman
93% true for cocaine, 5% clear, 2% inconclusive 100% true for heroin
52
What does NIR care about in substances?
Cares about single and double bonds in substances range of 950-1650nm NOT functional groups
53
NIR results for meth, cocaine and heroin
Meth 96.6% true positive rate, 100% true negative Cocaine 93.5% true positive, 100% true negative Heroin 91.3% true positive, 100% true negative
54
How fast does the exploscan device detect in
7 seconds
55
What is ASTM E2329-17
Standard practice for identification of seized drugs
56
How many compounds are in TruNarc library?
>530
57
How many compounds are in Gemini library?
>700
58
How many compounds are in TacticID-N Plus library?
>1000
59
Which IMS device is best? A) APD 2000 B) Multi IMS C) ICAM D) RAID-M
B) Multi IMS
60
Illicit drug use continues to rise with an estimated ___________ users in 2021 representing an increase of _____% over the last 10 years
296 million 23%
61
What is the lethal dose of fentanyl?
2-3mg
62
What was the most commonly found drug in the pilot study and how much did it account for
Cannabis, 61% of all positive tests
63
What was the order of most common drugs in the pilot study
Cananbis 61 Math 23 COcaine 14 opiates 9 Benzodiazapene 3
64
What was the most common poly drug in the pilot project and what was the percentage
math and amphetamines were present in ~90% of instances
65
According to the 2018 CFS report what is the oral-fluid cutt-off concentration for cocaine
50 ng/mL
66
Which drug users would be expected to test positive on drug screening equiptment for the longest period of time
Frequent high-dose cocaine users
67
Common uses of ChemSee
- military checkpoint monitoring - airport security - military forces during operation - personal security agencies - forensic investigations
68
ChemSee detecors
- Nitro-Pen - On-the-spot - Verifier - Gel-ox - Chlorate/perchlorate
69
ChemSee Nitro-Pen detector
Detects explosive residues, inorganic nitrates, and nitrogen groups
70
ChemSee On-The-Spot detector
More specific than Nitro-pen but only detects explosive residues and inorganic nitrates
71
ChemSee Verifier detector
Detects explosive precursors and oxideizers
72
ChemSee Gel-ox detector
Detects explosive precursors and oxidizers in liquid or gel form
73
ChemSee chlorate/perchlorate detector
Detects explosive precursors
74
3A2Z Explosive Fertilizer Identification Kit detection time and sample size
Time: <2min Sample size: 1mg-0.15g
75
What is the oral fluid cut-off concentration for THC
25ng/mL
76
3A2Z - Yellow + clear + clear
No explosive detected
77
3A2Z - green + clear+ clear
Ammonium sulphate or ammonium phosphate
78
3A2Z - green + blue + clear
Ammonium nitrate
79
3A2Z - Yellow + blue + clear
Potassium or sodium nitrate
80
3A2Z - yellow + blue + red
Urea nitrate
81
3A2Z - Yellow + clear + red
Urea
82
Exploscan false alarm rate
<2%
83
Exploscan warm-up time
<60 seconds
84
NIR correctly identifies blood in ____% of cases
94%
85
When it comes to blood, NIR has a false positive rate of ____% due to blood like substances such as _________
14% Blood like substances: red wine, tomato sauce, coffee
86
RAMAN spectroscopy has ____% correct blood identification for stains aged up to 1 month
100%
87
How long does it take to see a significant drop of BAC
~30 mins
88
How many alcohol screening devices are approved by the Attorney General of Canada?
13
89
What is the newest alcohol screening device approved by the Attorney General of Canada?
Alcotest 6000 Device
90
What are the components of saliva?
Water, sodium, calcium, magnesium, amylase
91
Why does THC not transfer well from body fluid to oral fluid?
Sticks to fatty tissue
92
Is there a direct correlation between drug concentration in oral fluid and in the blood?
No - varies between individuals
93
How many narcotics does Draper 5000 test for
7
94
How long does it take Drager 5000 to show results for cannabis? For other drugs?
Cannabis: 8 mins Other drugs: 5 mins
95
How many drug tests can the Drager 5000 store?
Up to 500

Genetics 4600 (7 decks)

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