m a s s s p e c t r o m e t r y Thermo Scientific LTQ Velos Dual-Pressure Linear Ion Trap World's fastest and most sensitive ion trap mass spectrometer Part of Thermo Fisher Scientific
Thermo Scientific LTQ Velos Dual-Pressure Linear Ion Trap The Instrument for the Most Demanding Sample Analyses The Thermo Scientific LTQ Velos is the latest evolution in the award winning LTQ family of linear ion trap mass spectrometers. Building on a tradition of innovation, the LTQ Velos provides the analyst with significantly enhanced performance for complex sample analyses. The innovative dual-pressure ion trap and S-Lens ion optics combine to deliver increased ion transmission along with better trapping and fragmentation efficiency. The result is the fastest and most sensitive ion trap for all applications. Continuing a commitment to providing researchers with the latest in high-performance mass spectrometers, the LTQ Velos is fully upgradeable with electron transfer dissociation (ETD) and Orbitrap technology to extend its capabilities even further. Unique dual-pressure linear ion trap technology provides superior scan speed and resolution Faster scanning and greater ion transmission improve identification of low-level analytes Simultaneous identification and quantification of even complex samples increases throughput Upgradable to accurate mass and ultra-high resolution Orbitrap technology 2
Increased Performance Through Innovative Technology The LTQ Velos excels at quantitative, as well as qualitative, analyses. With high-transmission ion optics and a fast scanning dual-pressure trap, the LTQ Velos is capable of simultaneously analyzing multiple low-level components at speeds compatible with U-HPLC systems. The S-lens is a significant advance over high-pressure, skimmer-based ion optics designs. The superior ion transmission of the S-lens enables faster scan times and increases overall instrument sensitivity. Typically ion traps are operated at single pressure, a compromise between the optimum pressures for ion manipulation and ion detection. The revolutionary LTQ Velos dual-pressure ion trap features a high-pressure cell that increases ion trapping efficiency to over 9%. It also increases fragmentation efficiency, allowing fragmentation times to be cut to one third. The low-pressure cell increases scan speed by a factor of 2 to 33,3 u/s while simultaneously improving mass resolution by.1 u FWHM. The LTQ Velos merges all these innovations and more into an ion trap mass spectrometer with unrivaled performance, including ultra-fast 1 Hz acquisition rate and low femtogram sensitivity. HESI II Source Ion Transfer Tube Ion Trap Detector 1 Octopole HPT Pressure Cell High- Low- Pressure Cell S-Lens Detector 2 Innovative S-lens ion optics and dual-pressure linear ion trap make the LTQ Velos the fastest, most sensitive ion trap commercially available 14 Alprazolam Area Ratio 12 1 8 6 4 2 R =.997 Area Ratio.1.8.6.4.2...5.1.15.2.25 pg on column 1 2 3 4 pg on column Quantitation of Alprazolam in plasma yields an LOQ of 4 fg on column and demonstrates excellent linearity over 5 orders of magnitude 3
442.37 922.71 473.5 76.55 697.53 451.1 521.6 383.35 933.7 676.47 762.54 213.24 392.4 185.28 244.23 331.4 359.28 47.92 576.52 611.3 479.32 641.52 277.34 326.39 554.31 84.65 771.63 83.75 454.41 2 25 3 35 4 45 5 55 6 65 7 75 8 85 373.35 57.67 683.55 511.24 66.2 532.39 583.8 639.64 796.63 611.6 244.24 42.49 769.44 151.72 649.37 526.49 461.95 898.59 299.26 398.37 754.56 227.24 356.39 516.34 788.84 938.65 415.52 88.73 122.87 569.4 179.7 244.28 56.35 2 3 4 5 6 7 8 9 1 11 343.4 33.4 679.56 21.22 232.16 849.62 173.19 278.39 355.61 719.52 778.64 655.7 87.66 482.43 969.73 319.42 399.8 913.94 14.74 2 3 4 5 6 7 8 9 1 471.38 558.42 721.53 58.61 216.23 419.83 298.38 778.6 39.2 458.7 591.57 755.65 865.59 825.7 99.8 2 25 3 35 4 45 5 55 6 65 7 75 8 85 9 71.58 131.78 148.69 278.32 489.35 656.3 959.68 26.37 1145.77 2 3 4 5 6 7 8 9 1 11 12 13 14 Thermo Scientific LTQ Velos Dual-Pressure Linear Ion Trap Unprecedented Performance Generates Greater Insight into Complex Samples Routine analysis of complex proteomics samples is often confounded by the inability to adequately detect low-abundance proteins, by the large number of post-translational modifications (PTMs) possible, and because of the dynamic nature of the proteome. Ion trap-based mass spectrometry, however, has demonstrated a superior ability to rapidly identify and characterize low-abundance proteins, and determine their relative expression levels. It has become an essential tool in proteomics labs. The LTQ Velos enables a new level of proteomics sample interrogation, made possible by improvements in acquisition rates, MS n sensitivity, and selective accumulation of low-abundance ions. Predictive Automatic Gain Control (P-AGC) ensures that while the scan speed is increased, sensitivity is not compromised. Increased scan speed on the LTQ Velos also facilitates ultra-fast LC separation for high-throughput analysis. Data-dependent acquisition by the LTQ Velos at 7 Hz - more than 2X the rate of the LTQ XL - producing high-quality MS/MS data 16 14 12 1 8 6 4 2 LTQ XL LTQ Velos +123% +152% Proteins Unique Peptides LTQ Velos doubles the number of proteins and unique peptides identified by a 6-minute, data-dependent LC-MS/MS analysis of a 2 ng digest of C. elegans 45 LTQ XL 4 +83% LTQ Velos 35 +67% 3 25 2 15 1 5 6 min 18 min LTQ Velos linear ion trap identified more peptides and proteins in a 6 min LC/MS run than an LTQ XL did in a 18 min run (1 μg digest of C. elegans) 711.45 1161.74 391.38 591.41 732.63 831.64 373.37 1292.86 46.36 813.63 915.7 1275.88 1338.69 Five consecutive MS/MS spectra in.7 s 2 4 6 8 1 12 14 16 Time (min) Facilitating our Understanding of Systems Biology 4 Identify low-abundance proteins to extend information about cellular processes Determine protein expression changes with faster-scanning PQD for more quantifiable peptides Characterize the most complex PTMs using multiple dissociation techniques and MS n capabilities Analyze intact proteins and perform N-terminal sequencing with ETD Annotate results with information from public databases such as GO to illuminate biological context
Ultimate Resolution and Sensitivity for Protein Characterization The LTQ Velos offers resolving power rivaling that of many commercial Q-TOF mass spectrometers to aid in top-down characterization of proteins. Additional improvements in the efficiency of detection in extended mass ranges provide unmatched sensitivity for large macromolecules, such as intact antibodies. 1 95 9 85 8 75 7 65 6 55 5 45 4 35 3 25 2 15 1 5 1 1131.12 9 8 z = 18 Experimental 7 z = 15 Low-Resolution 941.93 z = 17 6 1131.38 z = 2 Normal Scan 997.18 847.85 5 z = 22 4 77.93 3 2 1132.51 z = 23 1 113.59 1132.32 737.43 113 1131 1132 z = 16 1131.7 159.44 1 z = 24 9 1131.27 76.76 8 113.81 Theoretical at 7 25, FWHM z= 15 6 1131.41 113.2 5 4 z = 25 113.67 3 678.51 z = 14 2 1131.61 121.61 1 113.4 1132.8 z = 26 z = 13 113 1131 1132 652.42 133.61 628.34 z = 12 z = 11 1412.2 154.45 z = 1 z = 28 1694.29 65.92 585.67 5 6 7 8 9 1 11 12 13 14 15 16 17 LTQ Velos Ultra ZoomScan analysis of intact equine myoglobin (~17 kda), 15+, demonstrates isotopic resolution greater than 25, FWHM 1 95 9 85 8 75 7 65 6 55 5 45 4 35 3 25 2 15 1 5 249.18 z = 57 2665. z = 58 2621.91 z = 56 2712.64 z = 55 2764.82 z = 54 2812.91 z = 53 2865.82 z = 52 292.82 z = 51 2978.9 z = 5 337.55 1 95 9 85 8 75 7 65 6 55 5 45 4 25 26 27 28 29 3 31 32 33 z = 54 2812.91 289.91 2815.91 2818.82 2821.36 35 2824.36 3 25 287. 2 15 2829.82 z = 49 1 279.36 312.73 5 278 28 282 284 z = 48 3163.91 z = 47 3231.18 335.45 z = 53 2865.82 2868.91 2862.91 2872. 2859.82 2874.64 2892.27 286 288 29 ESI-MS envelope from LTQ Velos analysis of intact IgG (152 kda), obtained by averaging spectra over a 1-minute wide LC peak 5
Thermo Scientific LTQ Velos Dual-Pressure Linear Ion Trap Comprehensive Compound Identification and Quantitation of Complex Samples The characterization of drug metabolites plays a pivotal role in pharmaceutical discovery and development. Parent drug and metabolites need to be identified in a variety of biological matrices over a wide range of concentrations for both in vivo and in vitro studies. When used together, Thermo Scientific MetWorks and Mass Frontier software and the LTQ Velos create a robust, sensitive, integrated workflow for identification, characterization, and quantitation of drugs and drug metabolites in biological matrices. The rapid scan speed of the LTQ Velos allows simultaneous qualitative and quantitative metabolite analysis to be carried out easily for both in vivo and in vitro studies. The faster scan rates of the LTQ Velos allow more MS n experiments to be carried out in shorter chromatographic runs. This, along with improved sensitivity, results in more high-quality ion trees for qualitative metabolite analysis and characterization. The use of Data Dependant acquisition coupled with Dynamic Exclusion provides a methodology for the analysis of both predicted and unexpected metabolites. Multiple dissociation methods provide the analyst with more approaches to structural elucidation. Processing of metabolism data is supported with both MetWorks and Mass Frontier software MetWorks software uses MS n spectral trees for unambiguous structural elucidation; e.g. differentiation of structural isomers and identification of the site(s) of biotransformation. MetWorks metabolite identification software integrates acquisition, processing and reporting capabilities. Mass Frontier facilitates the spectral interpretation by predicting fragmentation pathways and automated assignments of structures to spectral trees. Maropitant Hydroxylation of Maropoitant at retention time 3.46 min Hydroxylation of Maropoitant at retention time 4.53 min Hydroxylation Demethylation 3.46 min 4.53 min MS MS 2 MS 3 Full Scan Mass Spectra Product Ion Mass Spectra MS 4 Modifications View from MetWorks software Two ion trees of two isomeric mono-hydroxylated metabolites 6
High-Quality Data for Metabolomics Analyses Feature segregation and identification are key components of all metabolomics workflows. While software packages such as SIEVE discriminate components of interest as potential markers of a condition, feature identification relies on the quality of the data generated by the mass spectrometer. The LTQ Velos greatly extends the performance of the groundbreaking, robust and sensitive LTQ linear ion trap, producing more high-quality MS n data from smaller amounts of sample. Mass Frontier is a pivotal component of the metabolomics workflow. It melds the acquisition speed, sensitivity and information-rich MS n spectra generated by the new LTQ Velos with the power of spectral trees and library or database searching. The combination of mass spectrometric performance, advanced feature detection, powerful metabolite identification and intuitive/integrated software solutions simplifies problem solving. Acquire Acquire nominal-mass or accurate-mass LC/MS Discover Differentially Expressed Small Molecules SIEVE, SIMCA-P (Umetrics) Genedata Expressionist Identify Mass Frontier software provides tools for automated MS n spectral tree deconvolution, fragmentation prediction and spectral annotation Endogenous Metabolites Database Search and Mass Frontier Quantify Routinely Quantify Sets of Identified Metabolites in Large Sample Populations 7
Specifications Software Features Data System Thermo Scientific Xcalibur processing and instrument control software Microsoft Office XP software package Microsoft Windows XP operating system High-performance PC with Intel microprocessor High-resolution LCD color monitor Scan Functions Full-scan feature provides full-scan mass spectra for sensitive analyses and produces spectra for rapid screening of unknown compounds Selected ion monitoring (SIM) monitors selected ions for target compound analysis Full-scan MS/MS produces full-scan product ion spectra selected reaction monitoring (SRM) for a traditional LC-MS/MS quantitative analytical experiment MS n for multi-stage MS experiments to probe the structure of ions ZoomScan, a high-resolution, full-range scan to resolve isotopic envelopes which is often used for charge state determination of peptides and ionization state determination of organometallics Ultra ZoomScan for ultimate resolution TurboScan, an ultra-fast scan to improve signal-to-noise and sampling rate Exclusive Technologies Unique, patented Automatic Gain Control (AGC) ensures that the ion trap is always filled with the optimum number of ions for any scan type Dynamic Exclusion allows acquisition of MS/MS and MS n spectra from lower intensity ion species WideBand Activation generates more structurally informative spectras Normalized Collision Energy provide reproducible data from instrument to instrument System Specifications MS/MS Sensitivity Electrospray Ionization (ESI) 2 μl of a 5 fg/μl solution of reserpine (1 femtograms total) injected at a flow of 5 μl/min will produce a minimum signal-to-noise ratio of 1:1, for the transition of the isolated protonated molecular ion at 69 to the largest two product ions, 397 and 448, when the mass spectrometer is operated at unit resolution in the full-scan MS/MS mode, scanning the product ion spectrum from 165 615. Atmospheric Pressure Chemical Ionization (APCI) 2 μl of a 5 fg/μl solution of reserpine (1 femtograms total) injected at a flow of 5 μl/min will produce a minimum signal-to noise ratio of 1:1, for the transition of the isolated protonated molecular ion at 69 to the largest two product ions, 397 and 448, when the mass spectrometer is operated at unit resolution in the full-scan MS/MS mode, scanning the product ion spectrum from 165 615. Installation Requirements Power One 23 Vac ±1.%, 15 Amps, 5/6 Hz, single phase, with earth ground dedicated to the instrument 12 or 23 Vac single phase, with earth ground for the data system Gas One high-purity (99% pure, flow rate 15 L/min) nitrogen gas supply for the API source One ultra-high-purity helium gas supply (99.998% pure) with less than 1 ppm each of water, oxygen, and total hydrocarbons for the mass analyzer Environment System averages 23 W (8 BTU/h) output when considering air conditioning needs Operating environment must be 15-27 C (59-8 F) and relative humidity must be 4-8% with no condensation Optimum operating temperature is 18-21 C (65-7 F) Dimensions/Weight MS: 56 cm 79 cm 59 cm (h w d) MS: ~12 kg Roughing pumps: 38.6 kg Performance Specifications Mass Range 15 2 5 2 2 4 Resolution.5 FWHM (full width half maximum) with Ultra ZoomScan Scan Power MS n, for n = 1 through 1 Analog Inputs One (1) analog Input (-1 V) One (1) analog Input (-1 V) In addition to these offices, Thermo Fisher Scientific maintains a network of representative organizations throughout the world. 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