Chapter 4 - Matrix Assisted Laser Desorption Ionisation - Ion
Recombinant "IMS TAG" proteins : a new method for validating bottom up matrix assisted laser desorption/ionisation ion mobility separation mass spectrometry imaging
... MALDI-MSI, mass spectrometry imaging, recombinant protein, IMS-TAG, in situ.. 15.[r] ...
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Matrix assisted laser desorption/ionisation collisions of bio molecules
... WORK Matrix-assisted laser desorption is a method producing molecule ions in the mass range up to hundreds of thousands ...Daltons. Desorption of fragment ions is generally not observed ...
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Fundamental aspects of imaging matrix assisted laser desorption ionisation mass spectrometry
... final ion image as a marked increase/decrease in analyte abundance, may on closer examination actually be a change in the ratio between adduct form ...to matrix application has been introduced to facilitate ...
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2B or not 2B, that is the question: further investigations into the use of pencil as a matrix for matrix assisted laser desorption/ionisation
... electron ionisation (EI) data were recorded with ion source temperature of 200 8 C and trap current of 150 m ...for 4 min rising to 160 8 C at 10 8 C/min, then at 2 8 C/min to 220 8 C, and finally at ...
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Thin layer chromatography matrix assisted laser desorption ionisation mass spectrometry of pharmaceutical compounds
... this chapter the generation and characterisation of an impurity profile of a pharmaceutical compound by TLC-MALDI TOF MS is ...in chapter 3, has been corrected by utilising a software that recalibrates each ...
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The analysis and imaging of lipids from complex samples by matrix-assisted laser desorption/ionisation mass spectrometry
... The use of alkali metal salts in mass spectrometric analysis has been proven to aid in either the reduction of complexity of the mass spectra for lipid analysis or in the case of lithium, in enabling enhanced PL ...
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Matrix-assisted laser desorption/ionisation mass spectrometry imaging and its development for plant protein imaging
... Efforts into the development and optimisation of iden- tification strategies of the molecular ions in the profiles imaged are still required and the identification of ions of interest is a bottleneck in MSI. Some of the ...
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Investigation of liquid atmospheric pressure matrix-assisted laser desorption/ionisation mass spectrometry (AP-MALDI MS) for the large-scale analysis of liquid samples
... in ion signal peak intensity between samples was minimised through preparation of extracts with fresh solvents, reagents and liquid ...total ion count in order to account for ion production between ...
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Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry Imaging of ZP1609 and Amyloid Beta
... technology in the detection of Aß would be greatly beneficial in the advancements of research in this field. The ability for MALDI MSI detection of peptides within complex tissue systems was first assessed using a low ...
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Matrix assisted ultraviolet laser desorption/ionisation mass spectrometry of macromolecules
... 2dstn\e\ » mk ( 2 . 2 ) where m is an integer (1,2,..) and d is the spacing between lines of the grating. Wavelengths not satisfying the equation 2.2 will not be reflected back along the cavity axis and consequently have ...
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Evaluation of matrix assisted laser desorption ionisation time of flight mass spectrometry (MALDI TOF MS) for the Identification of Group B Streptococcus
... use matrix‑assisted laser desorption ionisation time‑of‑flight mass spectrometry (MALDI‑TOF MS) by direct plating or cell lysis for the identification of GBS ...
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Using matrix assisted laser desorption ionisation mass spectrometry (MALDI-MS) profiling in order to predict clinical outcomes of patients with heart failure
... UK. 4 Division of Cardiology and Metabolism, Department of Cardiology (CVK), and Berlin-Brandenburg Center for Regen- erative Therapies (BCRT), German Centre for Cardiovascular Research (DZHK) partner site Berlin, ...
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Matrix-assisted laser-desorption/ionization BIOTYPER: experience in the routine of a University hospital
... 1 voltage, 25 kV, ion source: 2 voltage, 23.4 kV; lens voltage: 6 kV; mass range: 0–20 137 kDa. Each run was validated with an Escherichia coli control sample provided by Bruker Dalton- ics where the presence of ...
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Matrix-Assisted Laser Desorption/Ionization-Collision Induced Dissociation of Poly(Styrene)
... precursor ion with a m/z of 1622 ...low ion signals are observed, at best, in the LSI mass spectra of poly(styrene) and MS/MS spectra are technically chal- lenging to obtain ...fragment ion peaks ...
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Identification of dermatophytes by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
... a matrix containing 30 – 40 mg of α - cyano-4-hydroxy-cinnamic acid (CHCA) in acetonitrile/ ethanol/water (1:1:1) supplemented with 3% trifl uoroacetic acid (Sigma-Aldrich, ...positive ion extraction ...
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Late Periprosthetic Joint Infection due to Staphylococcus lugdunensis Identified by Matrix-Assisted Laser Desorption/Ionisation Time of Flight Mass Spectrometry: A Case Report and Review of the Literature
... 4. Conclusion Periprosthetic hip infections due to S. lugdunensis are rarely reported. Depending on the identifying algorithm used in diagnostic laboratories, S. lugdunensis could be underreported or misidentified ...
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Advancements in Infrared Matrix Assisted Laser Desorption Electrospray Ionization Mass Spectrometry Instrumentation and Methodology.
... as ion accumulation must necessarily coincide with the burst of ions from the ionization ...mid-IR laser pulses are typically required for complete sampling, which is a prerequisite for absolute ...Hz ...
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Erwinia species identification using matrix-assisted laser desorption ionization-time of flight mass spectrometry
... order to compare the reproducibility of masses within repli- cates. Cells were overlaid with 1 μl of a saturated solution of sinapinic acid (Sigma-Aldrich, Buchs, Switzerland) in 60% acetonitrile (Sigma-Aldrich, Buchs, ...
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Identification of Leishmania at the species level with matrix-assisted laser desorption ionization time-of-flight mass spectrometry
... the matrix solution. The matrix solution was a daily prepared saturated solution of a-cyano-4-hydroxycin- namic acid in 50% acetonitrile and ...the ion-positive mode with a 337-nm nitrogen ...
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Chemical Imaging of Cyanoacrylate‐Fumed Fingerprints by Matrix‐assisted Laser Desorption/Ionization Mass Spectrometry Imaging
... due to the fuming process, so the data analysis is straight forward. Our result is in contradiction to previous efforts (8) that failed to reproducibly obtain MALDI-MS images of fingerprints after cyanoacrylate fuming. ...
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