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Strengthening Results
Advanced Chromatography with Mass Detection
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UV Detection – Why Not Use UV For Everything?
• Identification • Difficult selectivity in complex matrices
• Sensitivity
• Need sufficient molar absorptivity
• Method Development • Peak assignments require confirmation runs
• Quantitation
• Relatively high detection limits and narrow dynamic ranges
• Definitive Confirmation • May require confirmation analysis
• Structural Information
• Limited information
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What Are Some of the Benefits to Mass Detection?
UltiMate LC System MSQ™ Plus Mass Detector
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Benefits: Reduce Matrix Background Interference
• Mass detectors allow analyte-specific detection within matrices
• Column • Hypersil Gold PFP • 50 x 2.1, 1.9 um
• Gradient • H2O:ACN • 0.1% FA
• Flow Rate • 500 uL/min
• Injection • 2 uL
• Analyte • 10 ppm
• Detector • 200-400 nm
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• Mass detectors allow analyte-specific detection within matrices
• Column • Hypersil Gold PFP • 50 x 2.1, 1.9 um
• Gradient • H2O:ACN • 0.1% FA
• Flow Rate • 500 uL/min
• Injection • 2 uL
• Analyte • 10 ppm
• Detector • ESI Positive • Capillary 4.5 kV • Probe 550 C
Standard in Water Standard in Water
152 m/z
332 m/z
195 m/z
Standard in Urine
152 m/z
332 m/z
195 m/z
Benefits: Improve Limit of Quantitation
Filter contaminants, isolate analyte, and increase sensitivity Minimize sample preparation, simplify workflow, increase throughput
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• Mass detectors allow sensitive, robust, multi-component quantitation across large linear dynamic ranges
• Column • Hypersil Gold PFP • 100 x 2.1, 1.9 um
• Gradient (Ternary) • H2O:MeOH:ACN • 0.1% Acetic Acid
• Flow Rate • 1,000 uL/min
• Injection • 2 uL
• Analyte • Variable
• Detector • ESI Positive • Capillary 4.5 kV • Probe 450 C
Benefit: Improve Limit of Quantitation
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• Mass detectors allow sensitive, robust, multi-component quantitation across large linear dynamic ranges
• Column • Hypersil Gold PFP • 100 x 2.1, 1.9 um
• Gradient (Ternary) • H2O:MeOH:ACN • 0.1% Acetic Acid
• Flow Rate • 1,000 uL/min
• Injection • 2 uL
• Analyte • Variable
• Detector • ESI Positive • Capillary 4.5 kV • Probe 450 C
Benefit: Improve Limit of Quantitation
Improve limits of detection and quantitation for multi-component analyses
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• Common for terrorist activities • No significant absorption • No florescence activity • Highly unstable
• Heat, friction, shock, and UV light
• Mass detectors ionize and detect analytes that do not exhibit strong UV absorbencies
• Column • Hypersil Gold PFP • 100 x 2.1, 1.9 um
• Gradient • H2O:MeOH • Ammonium Formate
• Flow Rate • 500 uL/min
• Injection • 2 uL
• Analyte • Triacetone triperoxide (TATP)
• Detector • APCI Positive • Corona 30 uA • Probe 350 C
Benefit: No Chromaphore required
TATP
TATP
348 m/z
Overcome limitations associated with conventional LC detection
TATP (222 m/z) + Fragment (108 m/z) + Ammonium (18 m/z)
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• Mass detectors allow inorganic analysis concurrent with organic analysis
• Column • Hypercarb • 100 x 2.1, 5 um
• Gradient • H2O:MeOH • 1% FA
• Flow Rate • 300 uL/min
• Injection • 5 uL
• Analyte • Gunpowder Extraction • ~ 50 ug/mL
• Detector • ESI Positive/Negative • Capillary 3.5 kV • Probe 550 C
Benefit: Detect Inorganic Analytes
Time (min)
Cations
Anions
Increase throughput by using an all-in-one detector
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• Mass detectors allows confident and efficient identification of analyte peaks
• Column • Hypersil Gold PFP • 100 x 2.1, 1.9 um
• Gradient • H2O:ACN • 0.1% Acetic Acid
• Flow Rate • 1,000 uL/min
• Injection • 2 uL
• Analyte • 500 ppb
• Detector • ESI Positive • Capillary 3.5 kV • Probe 450 C
Cocaine Caffeine
Method 1
Method 2
Benefit: Confirm Identification
Quickly identify peaks after changing columns, gradients, or flow rates
Cocaine
Cocaine Caffeine
Caffeine
304 m/z 195 m/z
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• Mass detectors strengthen purity analysis by generating impurity spectra
• Column • Hypersil Gold • 100 x 2.1, 1.9 um
• Isocratic • H2O:MeOH
• Flow Rate • 800 uL/min
• Injection • 5 uL
• Analyte • Simvastatin
• Detector (UV) • 254 nm
• Detector (Mass) • ESI Positive/Negative • Capillary 3.0 kV • Probe 550 C
Benefit: Additional Information on Impurities
Identify the mass, structure, and source of impurities
Minutes Minutes Minutes 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00
0.00
0.02
0.04
0.00
9 8 7 6 5 4 3 2 1
Statin
AU
Statin Degradation Lactone Hydroxy Acid 431 m/z
Deg
rada
nt
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m/z
115 m/z
132 m/z
160 m/z
m/z
m/z
205 m/z
• Mass detectors allow systematic and reproducible fragmentation of analyte for multiple orders of confirmation
• Column • Hypersil Gold • 100 x 2.1, 1.9 um
• Isocratic • H2O:MeOH
• Flow Rate • 800 uL/min
• Injection • 5 uL
• Analyte • Illicit Drugs
• Detector • ESI Positive • Capillary 3.5 kV • Probe 550 C
Seized Evidence
Time (min)
Rel
ativ
e A
bund
ance
Benefit: Definitive Confirmation
Effectuate compound-specific fragmentation and match to theoretical behavior
Loss of HN(CH3)2
Psilocin
Increase Cone
Voltage
Increase Cone
Voltage
Loss of OH Loss of C2H4
Psilocin
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• Mass detectors allow matching of spectra against user-generated libraries
• Column • Hypersil Gold PFP • 100 x 2.1, 1.9 um
• Gradient • H2O:MeOH • Ammonium Formate
• Flow Rate • 500 uL/min
• Injection • 2 uL
• Analyte • Soil Extraction • LOD 0.2 ug/kg
• Detector • APCI Negative • Corona 30 uA • Probe 350 C
Benefit: Library Search
Unknown Soil Sample
RT 7.18 min
Library Data
Trinitrotoluene 98.19% Probability
Confidently screen samples for target analytes using library matching
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Mass Detection – Strengthen Chromatography • Easier Identification
• Ionize analyte with low molar absorptivity • Create positive and negative ions simultaneously
• Greater Sensitivity
• Enhance selectivity • Filter contaminants
• Faster Method Development
• Simplify peak assignment
• Enhanced Quantitation • Isolate analytes
• More Definitive Confirmation
• Match against spectral libraries • Induce compound-specific fragmentation
• Structural Information
• Identify impurities • Increase sensitivity • Improve quantitation
UltiMate LC System MSQ™ Plus Mass Detector
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How Does Mass Detection Work?
UltiMate LC System MSQ™ Plus Mass Detector
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What is a Mass Detection?
Light “Filter”
Mass “Filter”
• Mass detection is the measurement of the mass-to-charge ratio of individual molecules that have been converted to gas phase ions.
• Mass Spectrum: A plot of mass to charge (m/z) vs. relative or absolute intensity.
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MSQ Plus Mass Detector – Single Quadrupole
• Strengthen chromatography with enhanced mass detection
• Mass confirmation
• Robust quantitation
FastLoc Probe
Cone Wash
Entrance Cone
Exit Cone
Transfer Lens Quadrupole Analyzer
Ion Bright Detector
Vacuum Analyte from LC Column
Signal to Data System
• Structural elucidation
• Positive identification
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MSQ Plus Mass Detector: Advanced LC Detection
Expanded Application Versatility • Extended 17-2000 Da mass range • FastLocTM ESI and APCI Probes • Maximum flow rate 2 mL/min for both
ESI and APCI Minimized Operation Costs
• Patented titanium entrance cone Increased Sensitivity
• Scan speeds up to 12,000 amu/sec • Patented Cone Wash technology
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MSQ Plus Mass Detector: Advanced LC Detection
Maximized Sample Throughput • Patented M-path Source • Wipe clean surfaces for easy maintenance
Greater User Confidence
• Automatic tune and calibration Improved Quantitative Ability
• Source CID (Collision Induced Dissociation) for ion fragmentation
• Simultaneous quantitative and qualitative determinations by combining Full Scan and SIM.
• Multiple scan modes with one injection (+/-, FS, SIM, overlapping segments)
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Example Applications
UltiMate LC System MSQ™ Plus Mass Detector
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A Single Ternary Method for 14 Drugs
Fourteen drugs baseline separated in twelve minutes by employing UHPLC/MS with a ternary solvent gradient.
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; ternary gradient of water, acetonitrile, and methanol with acetic acid at 1 mL/min; 1 uL injection; ESI Positive
Identified Quantified
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A Single Ternary Method for 14 Drugs
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Identified Confirmed
Rel
ativ
e A
bund
ance
Time (min) m/z
Rel
ativ
e A
bund
ance
Hallucinogenic Mushrooms in Chocolate
Easily separate psilocybin and psilocin using UHPLC/MS, avoiding detection difficulties such as low concentration, thermal lability, and matrix interference that are typical with other techniques
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; ternary gradient of water, acetonitrile, and methanol with acetic acid at 1 mL/min; 2 uL injection; ESI Positive
285.2
160.1
205.3
Psilocin (RT: 2.26min)
Psilocybin (RT: 0.65min) Standard
Chocolate
Psi
locy
bin
Psi
locy
bin
Psi
loci
n P
silo
cin
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Confirmation of Psilocin
Rodriguez Cruz, Sandra E., “Analysis and Characterization of Psilocybin and Psilocin Using Liquid Chromatography Electrospray Ionization Mass Spectrometry (LC ESI MS) with Collision-Induced-Dissociation (CID) and Source-Induced-Dissociation (SID)”, Microgram Journal, Volume 3 Numbers 3-4 (2005)
Definitively confirm the presence of illicit drugs using UHPLC/MS, by creating and searching spectral libraries for fragmentation patterns produced through in-source collision induced dissociation
Rel
ativ
e Ab
unda
nce
m/z
Psilocin
(low cone voltage)
Rel
ativ
e Ab
unda
nce
m/z
In-Source CID (medium cone voltage)
Confirmed
Rel
ativ
e Ab
unda
nce
m/z
In-Source CID (high cone voltage)
Confirmed
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Identified Confirmed
Rel
ativ
e A
bund
ance
Time (min) m/z
Rel
ativ
e A
bund
ance
LSD in Candy Hearts
Positively identify LSD within a complex matrix using UHPLC/MS, requiring no downtime for instrument bake-out and clean-up
LSD
LS
D
Standard
Candy Heart
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; ternary gradient of water, acetonitrile, and methanol with acetic acid at 1 mL/min; 2 uL injection, ESI Positive
324.1 LSD (RT: 4.49min)
387.2 223.3
281.3
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Identified Confirmed
Rel
ativ
e A
bund
ance
Time (min) m/z
Rel
ativ
e A
bund
ance
Marijuana in Brownies
Efficiently separate and detect THC, cannabinol, and cannabidiol using UHPLC/MS, consuming only milligram amounts of evidence
Can
nabi
diol
THC
TH
C
Can
nabi
nol
Standard
Brownie
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; ternary gradient of water, acetonitrile, and methanol with acetic acid at 1 mL/min; 2 uL injection; ESI Positive
311.3
315.3
315.3
THC (RT: 5.1min)
Cannabidiol (RT: 4.1min)
Cannabinol (RT: 5.4min)
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Identified Quantified
Rel
ativ
e A
bund
ance
Time (min) Concentration (ppb)
Are
a (1
04)
Pseudoephedrine in Tablets
Quantify ephedrine, pseudoephedrine, methamphetamine, amphetamine, and 3,4-MDMA using UHPLC/MS; and, elucidate the current manufacturing pathways of clandestine chemistry
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; binary gradient of water and acetonitrile with acetic acid at 1 mL/min; 1 uL injection; ESI Positive
Time (min)
Met
ham
phet
amin
e
Pseu
doep
hedr
ine
Standard
Tablet
Pseu
doep
hedr
ine
Ephe
drin
e
Amph
etam
ine
3,4-
MD
MA
R2 = 0.996
LOQ = 1.2 ppb LOD = 0.4 ppb
Pseudoephedrine (RT: 2.60min)
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Pseudoephedrine in Tablets
Hypersil GOLD PFP 1.9um, 100 x 2.1 mm; binary gradient of water and acetonitrile with acetic acid at 1 mL/min; 1 uL injection; ESI Positive
Definitively confirm the presence of illicit drug product using UHPLC/ MS, by creating and searching spectral libraries for fragmentation patterns produced through in-source CID
Rel
ativ
e A
bund
ance
R
elat
ive
Abu
ndan
ce
In-Source CID (high cone voltage)
Molecular Ion (low cone voltage)
148.1
148.1
166.0
166.0 Pseudoephedrine
(RT: 2.60min)
m/z
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Identified Quantified
Rel
ativ
e A
bund
ance
Concentration (ppm) Time (min)
Are
a (1
04)
Salt Forms of Product
Characterize illicit drugs and their precursors by distinguishing unique salt forms with low mass, polarity switching UHPLC/MS
Hypercarb 3um, 50 x 2.1 mm; binary gradient of water and methanol with formic acid at 300 uL/min; 2 uL injection; ESI Positive and Negative
Met
h
Phos
phat
e
Iodi
de
Brom
ide
Amph
etam
ine
3,4-
MD
MA
Chl
orid
e
Nitr
ate
Chl
orat
e Su
lfate
Pe
rchl
orat
e
Coc
aine
0
5
10
15
20
0 1 2 3 4 5
Chloride (RT: 1.59min)
R2 = 1.000 LOQ = 50.0 ppb
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Nor
mal
ized
Abu
ndan
ce
Time (min)
Gunpowder in Particles
Determine the make and manufacturer of gunpowder found in particles, pellets, and residue by characterizing their unique salt compositions through low mass, polarity switching UHPLC/MS
Hypercarb 5um, 100 x 2.1 mm; binary gradient of water and methanol with formic acid at 300 uL/min; 5 uL injection; ESI Positive and Negative
Time (min)
Hodgdon Triple Seven Hodgdon Pyrodex
Sodium
Potassium
Nitrate
Perchlorate
Dicyandiamide
Benzoate
Nitrate
Perchlorate
Dicyandiamide
Benzoate
Gluconate Gluconate
Sodium
Potassium
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31 Identified Confirmed
Explosive Compounds in Soil
Simultaneously analyze nitroamines, nitroaromatics, nitrate esters, and peroxide explosives by UHPLC/MS in under 15 minutes. Confirm the identifications by spectral library search.
Peak Compound
1 HMTD
2 EGDN
3 TNB
4 DEGDN
5 HMX
6 1,3-DNB
7 RDX
8 TNT
9 2,6-DNT
10 NG
11 2,4-DNT
12 4-A-2,6-DNT
13 TATP
14 TETRYL
15 TMETN
16 2-A-4,6-DNT
17 PETN
Library spectrum
Target spectrum
Match scores
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MSQ Plus Mass Detector: Advanced LC Detection
For cost conscious chemists who require
increased productivity through dependable
simplicity, the Thermo Scientific MSQ is a
turnkey UHPLC/MS solution providing
superior chromatographic efficiency and
enhanced mass detection with unsurpassed
ease of use, performance, and ruggedness.
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Thank you!
Increase Productivity Ultra-Fast Speed, Resolution and Mass Detection
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