Search filters

List of works by Carlos Afonso

18th International Conference on Petroleum Phase Behavior and Fouling

scientific article

A Unique (3+2) Annulation Reaction between Meldrum's Acid and Nitrones: Mechanistic Insight by ESI-IMS-MS and DFT Studies.

scientific article published on 3 January 2018

A calibration framework for the determination of accurate collision cross sections of polyanions using polyoxometalate standards

scientific article published on 01 October 2018

A new optimization strategy for MALDI FTICR MS tissue analysis for untargeted metabolomics using experimental design and data modeling

scientific article published on 15 May 2019

Activated surfaces for laser desorption mass spectrometry: application for peptide and protein analysis

scientific article published in January 2005

Advances and Challenges in the Molecular Characterization of Petroporphyrins

scientific article

Advances in metabolome information retrieval: turning chemistry into biology. Part I: analytical chemistry of the metabolome.

scientific article published on 24 August 2017

Advances in metabolome information retrieval: turning chemistry into biology. Part II: biological information recovery

scientific article published on 25 August 2017

An orthogonal system for heterologous expression of actinobacterial lasso peptides in Streptomyces hosts.

scientific article published on 29 May 2018

Analysis of Mucopolysaccharidosis Type VI through Integrative Functional Metabolomics

scientific article published on 21 January 2019

Anionic copper complex fragmentations from enkephalins under low-energy collision-induced dissociation in an ion trap mass spectrometer

scientific article

Atmospheric Solid Analysis Probe Coupled to Ion Mobility Spectrometry-Mass Spectrometry, a Fast and Simple Method for Polyalphaolefin Characterization

scientific article published on 31 May 2018

Atmospheric Solid Analysis Probe-Ion Mobility Mass Spectrometry: An Original Approach to Characterize Grafting on Cyclic Olefin Copolymer Surfaces

scientific article published on 20 November 2015

Atmospheric solid analysis probe mass spectrometry vs electrospray tandem mass spectrometry of polydimethylsiloxanes in positive and negative ionization modes.

scientific article published in May 2015

Atmospheric solid analysis probe-ion mobility mass spectrometry of polypropylene

scientific article published on 18 October 2012

Base-Assisted Intramolecular C–N Coupling Reaction from NH2-Bound Cyclopalladated l-Phenylalanine to Indoline-2-carboxylic Acid

scientific article

Can cluster structure affect kinetic method measurements? The curious case of glutamic acid's gas-phase acidity

scientific article

Characterization of Heavy Products from Lignocellulosic Biomass Pyrolysis by Chromatography and Fourier Transform Mass Spectrometry: A Review

scientific article

Characterization of Polyethylene Branching by Thermal Analysis-Photoionization Mass Spectrometry

scientific article published on 22 September 2020

Characterization of Polyolefin Pyrolysis Species Produced Under Ambient Conditions by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry and Ion Mobility-Mass Spectrometry

scientific article

Characterization of polyalphaolefins using halogen anion attachment in atmospheric pressure photoionization coupled with ion mobility spectrometry-mass spectrometry

scientific article published on 01 August 2018

Characterization of the ceramide moieties of sphingoglycolipids from mouse brain by ESI-MS/MS: identification of ceramides containing sphingadienine

scientific article published in November 2003

Charge Effect on the Formation of Polyoxometalate-Based Supramolecular Polygons Driven by Metal Coordination.

scientific article published on 6 July 2017

Charge dependent behavior of PNA/DNA/PNA triplexes in the gas phase

scientific article published on 01 November 2006

Chemical Characterization Using Different Analytical Techniques to Understand Processes: The Case of the Paraffinic Base Oil Production Line

scientific article

Chromium Determination in Leather and Other Matrices: A Review

scientific article

Clinical Metabolomics: The New Metabolic Window for Inborn Errors of Metabolism Investigations in the Post-Genomic Era

scientific article

Collision Cross Sections of Phosphoric Acid Cluster Anions in Helium Measured by Drift Tube Ion Mobility Mass Spectrometry

scientific article published on 10 March 2020

Collision cross sections of negative cluster ions of phosphoric acid in N2 determined by drift tube ion mobility and their use in travelling wave ion mobility

scientific article

Combination of UHPLC-MS/MS-molecular networking approach and FTICR-MS for the metabolic profiling of Saccharomyces cerevisiae

scientific article published on 19 December 2020

Comparison of Silica and Cellulose Stationary Phases to Analyze Bitumen by High-Performance Thin-Layer Chromatography Coupled to Laser Desorption Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

scholarly article

Comparison of soluble and insoluble organic matter in analogues of Titan's aerosols

scholarly article

Comprehensive Petroporphyrin Identification in Crude Oils Using Highly Selective Electron Transfer Reactions in MALDI-FTICR-MS

scientific article

Critical evaluation of kinetic method measurements: possible origins of nonlinear effects

scientific article published on 7 February 2013

Cyclic Ion Mobility Spectrometry Coupled to High-Resolution Time-of-Flight Mass Spectrometry Equipped with Atmospheric Solid Analysis Probe for the Molecular Characterization of Combustion Particulate Matter

scientific article published on 25 November 2020

Data mining and visualisation: general discussion

scientific article published on 01 August 2019

Dealing with complexity: general discussion

scientific article published on 01 August 2019

Deciphering the structure of itaconate‐based unsaturated polyester resins by high resolution mass spectrometry

scientific article

Determination of Multimodal Isotopic Distributions: The Case of a (15)N Labeled Protein Produced into Hairy Roots

scientific article published on 27 May 2015

Determination of peptide topology through time-resolved double-resonance under electron capture dissociation conditions

scientific article

Determination of the collision cross sections of cardiolipins and phospholipids from Pseudomonas aeruginosa by traveling wave ion mobility spectrometry-mass spectrometry using a novel correction strategy

scientific article published on 21 November 2019

Diastereomeric differentiation of peptides with CuII and FeII complexation in an ion trap mass spectrometer

scientific article published on 01 August 2006

Differentiation of gonyautoxins by ion mobility–mass spectrometry: A cationization study

article

Direct Inlet Probe Atmospheric Pressure Photo and Chemical Ionization Coupled to Ultrahigh Resolution Mass Spectrometry for the Description of Lignocellulosic Biomass

scientific article published on 16 March 2020

Direct Insertion Analysis of Polymer-Modified Bitumen by Atmospheric Pressure Chemical Ionization Ultrahigh-Resolution Mass Spectrometry

scholarly article

Direct TLC/MALDI-MS coupling for modified polyamidoamine dendrimers analyses

scientific article

Dissection of proteolytic 18O labeling: endoprotease-catalyzed 16O-to-18O exchange of truncated peptide substrates.

scientific article

Effect of the Ionization Source on the Targeted Analysis of Nickel and Vanadyl Porphyrins in Crude Oil

scientific article

Effective Ion Mobility Peak Width as a New Isomeric Descriptor for the Untargeted Analysis of Complex Mixtures Using Ion Mobility-Mass Spectrometry.

scientific article published on 18 July 2017

Electron detachment/photodetachment dissociation of lasso peptides

Electronic effects of 11β substituted 17β-estradiol derivatives and instrumental effects on the relative gas phase acidity.

scientific article published on 2 October 2012

Evaluation of atmospheric solid analysis probe ionization coupled to ion mobility mass spectrometry for characterization of poly(ether ether ketone) polymers

article

Exploration of polyamide structure-property relationships by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.

scientific article

Exploring Complex Mixtures by Cyclic Ion Mobility High-Resolution Mass Spectrometry: Application Toward Petroleum

scientific article

Extraction of Crude Oil Endogenous Surfactants by an Optimum Three-Phase Microemulsion System: Relation between Interfacial Behavior and a Molecular Fingerprint Obtained by Ultrahigh-Resolution Mass Spectrometry

scientific article

Formation and characterization of gaseous adducts of carbon dioxide to magnesium, (CO2)MgX- (X=OH, Cl, Br)

scientific article published on 06 June 2012

Functionalization of polyoxometalates: from Lindqvist to Keggin derivatives. 1. synthesis, solution studies, and spectroscopic and ESI mass spectrometry characterization of the rhenium phenylimido tungstophosphate [PW11O39(ReNC6H5)]4-.

scientific article

Functionally different pools of Shiga toxin receptor, globotriaosyl ceramide, in HeLa cells

scientific article published on 24 October 2006

Future challenges and new approaches: general discussion

scientific article published on 01 August 2019

Gas-phase conformations of capistruin - comparison of lasso, branched-cyclic and linear topologies

scientific article published on August 2015

Gas-phase doubly charged complexes of cyclic peptides with copper in +1, +2 and +3 formal oxidation states: formation, structures and electron capture dissociation

scientific article published in February 2012

Gas-phase ionization/desolvation processes and their effect on protein charge state distribution under matrix-assisted laser desorption/ionization conditions

scientific article published on 01 January 2006

General rules of fragmentation evidencing lasso structures in CID and ETD.

scientific article

Heterologous expression of the N-acetylglucosaminyltransferase I dictates a reinvestigation of the N-glycosylation pathway in Chlamydomonas reinhardtii.

scientific article published on 31 August 2017

High Performance Thin Layer Chromatography with Atmospheric Solid Analysis Probe Mass Spectrometry for Analysis of Gasoline Polymeric Additives

scientific article published on 15 February 2020

High resolution mass spectrometry for future space missions: comparative analysis of complex organic matter with LAb-CosmOrbitrap and LDI-FTICR

scientific article published on 31 October 2019

High resolution techniques: general discussion

scientific article published on 01 August 2019

High-resolution mass spectrometry and partial de novo sequencing constitute a useful approach for determining the profile of chemokine secretion following the stimulation of human intestinal epithelial cells

scientific article

Hybrid polyoxometalates: Keggin and Dawson silyl derivatives as versatile platforms

scientific article published on 21 March 2011

IRMPD Spectroscopy: Evidence of Hydrogen Bonding in the Gas Phase Conformations of Lasso Peptides and their Branched-Cyclic Topoisomers

scientific article

Identification and separation of saxitoxins using hydrophilic interaction liquid chromatography coupled to traveling wave ion mobility-mass spectrometry

article

Identification of an anti-inflammatory protein from Faecalibacterium prausnitzii, a commensal bacterium deficient in Crohn's disease.

scientific article published on 4 June 2015

Identification of ion series using ion mobility mass spectrometry: the example of alkyl-benzothiophene and alkyl-dibenzothiophene ions in diesel fuels

scientific article published on 16 May 2013

Imaging Titan’s Organic Haze at Atomic Scale

scientific article

Improved proton affinity measurements for proline and modified prolines using triple quadrupole and ion trap mass spectrometers

scientific article

Increased Lewis acidity in hafnium-substituted polyoxotungstates

scientific article published on 01 January 2007

Instrumental dependent dissociations of n-propyl/isopropyl phosphonate isomers: evaluation of resonant and non-resonant vibrational activations

scientific article published on 31 May 2013

Integrative Metabolomics Reveals Deep Tissue and Systemic Metabolic Remodeling in Glioblastoma

scientific article

Integrative metabolic profiling in Sanfilippo syndrome

scientific article

Investigation by mass spectrometry of metal complexes of new molecular hosts: cyclic oligomer of sugar amino acid and sugar-aza-crown ethers

scientific article published in January 2008

Investigation of dendriplexes by ion mobility-mass spectrometry

scientific article published on 12 December 2014

Investigation of double-stranded DNA/drug interaction by ESI/FT ICR: orientation of dissociations relates to stabilizing salt bridges

scientific article published in November 2008

Ion mobility-mass spectrometry analysis of diarylquinoline diastereomers: Drugs used for tuberculosis treatment

scientific article published on 05 December 2018

Ion mobility-mass spectrometry of lasso peptides: signature of a rotaxane topology.

scientific article published on 31 December 2014

Lipopolysaccharide mediated regulation of neuroendocrine associated proprotein convertases and neuropeptide precursor processing in the rat spleen.

scientific article published on 5 December 2005

Membrane phospholipid composition of Pseudomonas aeruginosa grown in a cystic fibrosis mucus-mimicking medium

scientific article published on 28 September 2020

Metabolome Exploration by High-Resolution Mass Spectrometry Methodologies of Two New Yeast Species: Starmerella reginensis and Starmerella kourouensis

scientific article

Metal-Directed Self-Assembly of a Polyoxometalate-Based Molecular Triangle: Using Powerful Analytical Tools to Probe the Chemical Structure of Complex Supramolecular Assemblies

scientific article

Molecular Characterization of Aged Bitumen with Selective and Nonselective Ionization Methods by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. 1. Multiple Pressure Aging Vessel Aging Series

scholarly article

Molecular Characterization of Aged Bitumen with Selective and Nonselective Ionization Methods by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. 2. Statistical Approach on Multiple-Origin Samples

scholarly article

Molecular Characterization of Formulated Lubricants and Additive Packages Using Kendrick Mass Defect Determined by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

scientific article published in 2022

Molecular Characterization of a Mixed Plastic Pyrolysis Oil from Municipal Wastes by Direct Infusion Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

scientific article

Molecular Fingerprints and Speciation of Crude Oils and Heavy Fractions Revealed by Molecular and Elemental Mass Spectrometry: Keystone between Petroleomics, Metallopetroleomics, and Petrointeractomics

scientific article

Multiple xylosyltransferases heterogeneously xylosylate protein N-linked glycans in Chlamydomonas reinhardtii

scientific article published on 27 November 2019

Negative-charge driven fragmentations for evidencing zwitterionic forms from doubly charged coppered peptides

scientific article published on 01 January 2007

Non-covalent complexes between bis-beta-carbolines and double-stranded DNA: A study by electrospray ionization FT-ICR mass spectrometry (I).

scientific article published on 7 February 2007

Omics-Based Strategies in Precision Medicine: Toward a Paradigm Shift in Inborn Errors of Metabolism Investigations

scientific article

Optimization of a liquid chromatography ion mobility-mass spectrometry method for untargeted metabolomics using experimental design and multivariate data analysis.

scientific article

Optimization of ion trajectories in a dynamically harmonized Fourier-transform ion cyclotron resonance cell using a design of experiments strategy

scientific article published on 01 April 2020

Paraffin-Inert Atmospheric Solid Analysis Probe: A Fast and Easy Approach To Characterize Extremely Air-Sensitive Organometallic Complexes by Mass Spectrometry

scientific article published on 02 January 2020

Particulate inorganic salts and trace element emissions of a domestic boiler fed with five commercial brands of wood pellets

scientific article published on 16 March 2020

Petroleomics at the National High Magnetic Field Laboratory: A Pictorial History

scientific article

Photochemical activation of an azido manganese-monosubstituted keggin polyoxometalate: on the road to a Mn(V)-nitrido derivative

scientific article published in December 2009

Possible conformational change within the desolvated and cationized sBBI/trypsin non-covalent complex during the collision-induced dissociation process

scientific article

Production and reactions of organic-soluble lanthanide complexes of the monolacunary Dawson [alpha1-P2W17O61]10- polyoxotungstate.

scientific article

Prompt and slow electron-detachment-dissociation/electron-photodetachment-dissociation of a 21-mer peptide.

scientific article published on 23 November 2012

PyC2MC: An Open-Source Software Solution for Visualization and Treatment of High-Resolution Mass Spectrometry Data

scientific article published in 2023

Qualitative characterization of biomolecular zinc complexes by collisionally induced dissociation

scientific article

Rapid analysis of lubricants by atmospheric solid analysis probe-ion mobility mass spectrometry

scientific article published on 01 August 2014

Rapid microorganism identification with on-slide proteolytic digestion followed by matrix-assisted laser desorption/ionization tandem mass spectrometry and database searching

scientific article

Readily functionalizable phosphonium-tagged fluorescent coumarins for enhanced detection of conjugates by mass spectrometry

scientific article published on 01 August 2016

Recommendations for Reporting Ion Mobility Mass Spectrometry Measurements

Recommendations for reporting ion mobility Mass Spectrometry measurements ⬇️

article

Regio- and stereo-specific chemical depolymerization of high molecular weight polybutadiene and polyisoprene for their analysis by high resolution FTICR mass spectrometry. Comparison with Py-GC×GC-MS, ASAP & DIP-APCI MS and IMS-MS

scientific article published on 08 September 2020

Role of cationization and multimers formation for diastereomers differentiation by ion mobility-mass spectrometry

scientific article published on 17 July 2013

Siderophore peptide, a new type of post-translationally modified antibacterial peptide with potent activity

scientific article published on 21 April 2004

Signatures of Mechanically Interlocked Topology of Lasso Peptides by Ion Mobility-Mass Spectrometry: Lessons from a Collection of Representatives.

scientific article

Speciation of Metals in Asphaltenes by High-Performance Thin-Layer Chromatography and Solid–Liquid Extraction Hyphenated with Elemental and Molecular Identification

scholarly article

Stereochemical effects during [M-H]- dissociations of epimeric 11-OH-17beta-estradiols and distant electronic effects of substituents at C(11) position on gas phase acidity.

scientific article published on 3 September 2009

Straightforward synthesis of new polyoxometalate-based hybrids exemplified by the covalent bonding of a polypyridyl ligand

scientific article published on 20 August 2009

Structural Analysis of Neutral Nitrogen Compounds Refractory to the Hydrodenitrogenation Process of Heavy Oil Fractions by High-Resolution Tandem Mass Spectrometry and Ion Mobility–Mass Spectrometry

scientific article

Structural Study of Analogues of Titan's Haze by Trapped Ion Mobility Coupled with a Fourier Transform Ion Cyclotron Mass Spectrometer

scientific article published on 07 May 2019

Structural analysis of heavy oil fractions after hydrodenitrogenation by high-resolution tandem mass spectrometry and ion mobility spectrometry

scientific article published on 01 August 2019

Structural analysis of petroporphyrins from asphaltene by trapped ion mobility coupled with Fourier transform ion cyclotron resonance mass spectrometry

scientific article

Structural characterization of arabinoxylans from two African plant species Eragrostis nindensis and Eragrostis tef using various mass spectrometric methods

scientific article

Structural characterization of fatty acids cationized with copper by electrospray ionization mass spectrometry under low-energy collision-induced dissociation

scientific article published on 01 March 2005

Structural elucidation of soluble organic matter: Application to Titan's haze

scientific article

Structure of thermolysin cleaved microcin J25: extreme stability of a two-chain antimicrobial peptide devoid of covalent links

scientific article published in April 2004

Study of Biocrudes Obtained via Hydrothermal Liquefaction (HTL) of Wild Alga Consortium under Different Conditions

scientific article

Suggested plausible structures for Titan's haze analogs using tandem mass spectrometry

scientific article

Sulfogalactosylceramides in motor and psycho-cognitive adult metachromatic leukodystrophy: relations between clinical, biochemical analysis and molecular aspects

scientific article published on 17 October 2007

Sulfur Implantation into Water Ice with Propane: Implications for Organic Chemistry on the Surface of Europa

scientific article published in April 2024

Synthesis, APPI Mass-Spectrometric Characterization and Polymerization Studies of Group 4 Dinuclear Bis(ansa-metallocene) Complexes

preprint

Synthesis, APPI Mass-Spectrometric Characterization, and Polymerization Studies of Group 4 Dinuclear Bis(ansa-metallocene) Complexes

scholarly article

Synthetic sulfogalactosylceramide (sulfatide) and its use for the mass spectrometric quantitative urinary determination in metachromatic leukodystrophies

scientific article published on 15 August 2007

Tandem mass spectrometry of low solubility polyamides.

scientific article

The Catalytic Regio- and Stereoselective Synthesis of 1,6-Diazabicyclo[4.3.0]nonane-2,7-diones

scientific article

Topoisomer differentiation of molecular knots by FTICR MS: lessons from class II lasso peptides

scientific article

Toward a Rational Design of Highly Folded Peptide Cation Conformations. 3D Gas-Phase Ion Structures and Ion Mobility Characterization

scientific article published on 11 July 2016

Traveling wave ion mobility mass spectrometry and ab initio calculations of phosphoric acid clusters.

scientific article published on 6 February 2014

Unprecedented Molecular Diversity Revealed in Meteoritic Insoluble Organic Matter: The Paris Meteorite’s Case

scholarly article

Unveiling metabolic remodeling in mucopolysaccharidosis type III through integrative metabolomics and pathway analysis

scientific article published on 04 September 2018

Urinary metabolic phenotyping of mucopolysaccharidosis type I combining untargeted and targeted strategies with data modeling.

scientific article

Use of bioactive glass slides for matrix-assisted laser desorption/ionization analysis: application to microorganisms.

scientific article

Use of transition metals to improve the diastereomers differentiation by ion mobility and mass spectrometry

scientific article published on 01 May 2014

User-friendly extraction and multistage tandem mass spectrometry based analysis of lipid-linked oligosaccharides in microalgae

scientific article published on 05 December 2018

Vacuum ultraviolet photoionization study of gas phase vitamins A and B1 using aerosol thermodesorption and synchrotron radiation.

scientific article

Where Does the Electron Go? Stable and Metastable Peptide Cation Radicals Formed by Electron Transfer

scientific article published on 5 October 2016

Paulina is supported by:

About Paulina

Help