3 Ways the New Thermo Scientific LC MS Triple Quads Improve Residue Analysis

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1 3 Ways our New LC- MS Triple Quads Improve Residue Analysis

description

Learn how the new Thermo Scientific LC-MS triple quadrupole mass spectrometers incorporate unique design features that improve analysis of food matrices for veterinary drug and pesticide residues.

Transcript of 3 Ways the New Thermo Scientific LC MS Triple Quads Improve Residue Analysis

Page 1: 3 Ways the New Thermo Scientific LC MS Triple Quads Improve Residue Analysis

3 Ways our New LC-MS Triple Quads Improve

Residue Analysis

Page 2: 3 Ways the New Thermo Scientific LC MS Triple Quads Improve Residue Analysis

Complex Matrices

Large Sample Numbers

Low Concentration

Today’schallenges in quantitative mass spectrometry

demanded that we elevate

triple quad capabilities

Small Sample Amounts

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Extreme quantitative value with best-in-class sensitivity

Thermo Scientific™TSQ Endura MS

Thermo Scientific™TSQ Quantiva MS

Extreme quantitative performance with unrivaled attogram level sensitivity

New GenerationTriple Quadrupole LC-MS systems

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How do our new Triple Quadrupole systems improve residue analysis?

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SPEED

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ChallengeHigh volume multi-residue analyses in short run times

Solution500 SRMs per second

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9.9 SRM/sec 47 SRM/sec 166 SRM/sec 333 SRMs/sec 500 SRMS/Sec0

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Traditional Triple Quads decline in sensitivity, even at lower SRMs per second

New Thermo Scientific™ Triple Quadrupole systems maintain sensitivity up to 500 SRMs per second

High sensitivity at every speed

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More points across the peak means

more reproducible results and allows

for faster run times

1.75 1.8 1.85 1.9 1.95 2 2.05 2.10

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250 Transitions Monitored Simultaneously

167 SRMS/second 500 SRMS/second

Time (minutes)

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3 points across the peak

10 points across the peak

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Analysis of 250 pesticides> 500 SRMs 5 ppb in onion matrix  

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Scans Across Peaks 500 SRMs simultaneously (not scheduled/timed)

Sufficient number of data points for reproducible assays

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Comparison of Area Response vs. Scan Speeds

0.8 1 2 5 10 20 500.00E+00

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AtrazineAzoxystrobinCarbendazimSimazine

Dwell time (ms)

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10 ppb in Onion Matrix

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SENSITIVITY

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ChallengeDemanding assays requiringlowest limits of detection

Unrivaled triple quad sensitivity

Solution

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Unrivaled quantitation on TSQ Quantiva MS

Pesticides in extracted spinach matrix

Benfuracarb (10 ppq LOD and 4.5 orders dynamic range) Chromatograms - CV%:11.8%

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LOQ (ppt) – Veterinary Drug Residues in Milk (n=7) on TSQ Quantiva MS

Compound LOD (ppt) % RSD LOQ (ppt) % RSD

Albendazole 2.47 12.64 12.34 4.11

Oxfendazole 2.44 10.86 12.20 6.89

Sulfadiazine 23.81 17.5 119.05 9.05

Sulfamethazine 12.62 10.62 25.24 10.21

Sulfaquinoxaline 5.98 7.29 11.97 2.47

Thiabendazole 24.19 3.48 48.37 1.65

Tilmicosin 121.79 1.05 243.57 2.16

Trimethoprim 11.91 20.91 23.81 10.12

Tylosin 11.87 12.79 23.74 10.75

Exceeds EU Regulation No 37/2010100–1000x

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Low and Sub-ppt Levels

• Experiment: Analysis of reclaimed waste water for emerging contaminants (PPCPs)*

• TIC of 1.75 pg/mL injected standard 1 mL injection with Thermo Scientific™ EQuan MAX Plus™ online sample prep LC-MS with TSQ Quantiva MS

• Calibration range:0.06 pg/mL – 1000 pg/mL with a 1mL injection, that’s 60 fg – 1000 pg on column.

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11.516.01 12.425.844.34

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Time (min)

*Lee Ferguson and Gordon Getzinger, Environmental Chemistry, Duke University, USA

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Calibration range, 0.06 – 1000 pg/mL - Flutolanil

60fg On Column

4.5 orders of magnitude

Ion Ratio overlay

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Metoprolol and Oxadiazon

LOD 100 ppq Metoprolol

Tilt LOD 100 ppq

LOD 50 ppq Atraton

Calibration range: 0.1-100 ppt

Calibration range: 0.05-100 ppt

Calibration range: 0.01-100 ppt

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Quantitation results using Equan MAX Plus System with TSQ Quantiva MS

Compound LOD (pg/mL) Compound LOD (pg/mL)Acephate 0.24 Fluridone 0.12Allethrin 7.8 Flutolanil 0.06Ametryn 0.12 Formasulfron 0.12

Atraton 0.12 Halosulfron-methyl 0.12Atrazine 0.12 Imidacloprid 0.06

Atrazine-desethyl 0.12 Iprodione_a 15.63Atrazine-desisopropyl 0.24 Iprodione_b 31.25

Azoxystrobin 0.12 Metalaxyl 0.06Benzotriazole 7.8 Metoprolol 0.24Bioresmethrin 62.5 Oxadiazon 3.9

Bloc (Fenarimol) 0.24 Pramoxine 0.12Carbaryl 0.12 Prometron 0.12

Carbendazim 0.12 Propanmide 0.12DEET 0.98 Quinclorac 7.8

Etofenprox 3.9 Thiencarbazone-methyl 3.9

Fenamiphos 0.12 Thiophanate-methyl 0.24Fluoxastrobin 0.5 Tramadol 0.06

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ROBUSTNESS

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ChallengeRobust performance for ongoing reliability

SolutionBuildup prevention by

elimination of neutral clusters

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Are

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Injections

Robustness across >350 injections with pesticide spiked sample on TSQ Endura MS

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Initial calibration curve overlaid with calibration

curve acquired after 300 injections of pesticide spiked

sample on TSQ Endura MS (Imidacloprid and

2,4-D)

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Robustness across 1600 injections

Ave. %RSD 3.5

• Tuesday: 10 ppb standards in solvent

• Wednesday and Friday: 10 ppb standards in jalapeno matrix

• LC Run time: 8 minutes

Ave. %RSD 3.3

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How are our systems delivering these

capabilities?

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Active Ion Management

Precision design of all electric fields, optimized in concert, to produce maximum signal and to prevent contamination.

AIM TECHNOLOGY

The design behind the capabilities

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Novel Neutral Blocker

Captures contaminating species outside of the ion path, keeping ion optics cleaner

Tool-less Removal

No tools needed to remove ion optics, facilitating quicker cleaning

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Re-designed TSQ Triple Quadrupole Platform

Extreme quantitative value with best-in-class sensitivity

TSQ Endura MS

TSQ Quantiva MSExtreme quantitative performance with unrivaled attogram level sensitivity

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