Quantitative imaging mass spectrometry
Mass Spectrometry Imaging in Nanomedicine
... performing quantitative analysis generally attributed to poor ion-signal reproducibility resulting from heterogeneous matrix crystallization, sample variation, tissue-specific ion suppression and laser energy ...
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High-resolution quantitative imaging of mammalian and bacterial cells using stable isotope mass spectrometry
... high mass resolu- tion, parallel detection of several secondary ions, high lateral resolution, and high precision of ...secondary-ion mass spectrometer has now been developed that can measure several ion ...
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Mass spectrometry imaging of 3D tissue models
... region. Quantitative mass spectrometry imaging of the amounts of such metabolites formed could be used to give a measure of the amount of enzyme present in different regions of the skin model ...
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Electrostatic Spray Ionization Mass Spectrometry Imaging
... In a previous study, we have demonstrated that Ang I and NO 2 -Ang I show similar ionization e fficiency in ESI, and therefore, their intensity ratio (I NO2AngI /I AngI ) obtained by ESI MS is proportional to their ...
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Toward Higher Sensitivity in Quantitative MALDI Imaging Mass Spectrometry of CNS Drugs Using a Nonpolar Matrix
... in quantitative MALDI-MSI can be limited to some extent by applying isotope internal standards for normalization and matrix-matched calibration routines, 19,20 the detection capabilities still suffer from this ...
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Imaging and mapping of mouse bone using MALDI-imaging mass spectrometry
... contrast, liquid chromatography-MS or gas chromatography-MS analy- ses require the use of tissue homogenates, which retains no tissue local- ization information. Although cellular and molecular analyses are useful for ...
6
Mass Spectrometry Imaging: Looking Fruits at Molecular Level
... 3 Quantitative mapping of exogenous glutaric and adipic acids in one-year-old grapevine ...DESI imaging of the two organic acids at negative ion mode in one-year-old grapevine stem enriched in glutaric and ...
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Mass Spectrometry-Based Quantitative Proteomic Analysis of Biological Fluids
... regions. Frozen sections were collected in sequence on histological slides (8 to10 tissue sections per slide) and frozen at -80 °C until ready for staining. 4.4.3 Oil Red Staining and Imaging Oil red O is ...
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Imaging mass spectrometry reveals heterogeneity of proliferation and metabolism in atherosclerosis
... multi-isotope imaging mass spectrometry (MIMS), a quantitative imaging platform, to measure coincident cell division and glucose utilization at suborganelle resolution in ...
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Sample preparation for mass spectrometry imaging of plant tissues: a review
... MALDI imaging study on the distribution of flavonoids in apple suggests that there are no significant quantitative differences in detection between long-term-stored (9 months) and fresh-prepared apple ...
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Information processing for mass spectrometry imaging
... By confining the area from which the molecules are ionised, and recording the location, imaging spec- trometry can be performed, the common modes are illustrated in Figure 1.3. In all cases a focussed laser probe ...
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Quantitative mass spectrometry in proteomics: a critical review
... fluorophores, mass-spectrometry-based quantification methods have gained increasing popularity over the past five ...specific mass tag that can be recognized by a mass spectrometer and at the ...
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Mass spectrometry based proteomics turns quantitative
... high mass accuracy and high-resolution mass spectrometers, as well as the development of the required software, now make this task much more ...the quantitative accuracy will mainly be determined by ...
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Charting organellar importomes by quantitative mass spectrometry
... with mass spectrometry (MS), referred to as organellar proteomics 1,2 , does not suffer from this ...employing quantitative MS have been implemented 3–11 ...
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Advancing metabolomics studies of biological systems using Mass Spectrometry and Mass Spectrometry Imaging
... Conclusions Our previously developed multiplex MSI methodology to obtain MS and MS/MS data in-parallel was modified to utilize overlapping, rather than spatially separated, spiral steps. Most matrices, including ...
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MSIWarp:A General Approach to Mass Alignment in Mass Spectrometry Imaging
... MSI mass alignment using a custom bene fit function and show that we can greatly reduce variation in peak masses between ...−mass spectrometry (LC-MS) sample ...reduce mass misalignment between ...
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Enhanced imaging of developed fingerprints using mass spectrometry imaging
... spectrometry to recover information that conventional devel- opers ...using imaging mass spectrometry methods to image nger- marks that cannot be satisfactorily developed using conven- ...
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Labeling Methods in Mass Spectrometry Based Quantitative Proteomics
... of quantitative method, quantitative proteomic data are typically very complex and often of variable ...advanced mass spectrometers cannot sample and fragment every peptide ion present in complex ...
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SWATH mass spectrometry as a tool for quantitative profiling of the matrisome.
... The development of sequential window acquisition of all theoretical fragment ion spectra (SWATH) or data-independent acquisition (DIA) mass spectrometry (MS) has led to a new era of accurate and ...
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Characterisation of a micro-plasma for ambient mass spectrometry imaging
... DESI; mass spectra are dominated by the proton abstracted/protonated molecular ion; 4,37 the ability to be used with analytes of any surface in the absence of thermal damage; 8 both positive and negative ion modes ...
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