Per Sjöberg

Excess Heat in Nanoparticles of Nickel Alloys in Hydrogen

Biberian, Jean-Paul; Michel, Robert; Le Roux, Christophe; Valat, Mathieu et al.

Ingår i JOURNAL OF CONDENSED MATTER NUCLEAR SCIENCE, s. 186-195, 2024

• DOI för Excess Heat in Nanoparticles of Nickel Alloys in Hydrogen

Contrasting distribution and speciation of sedimentary organic phosphorus among different basins of the Baltic Sea

Rydin, Emil; Broman, Elias; Reitzel, Kasper; Lukkari, Kaarina et al.

Ingår i Limnology and Oceanography, s. 767-779, 2023

• DOI för Contrasting distribution and speciation of sedimentary organic phosphorus among different basins of the Baltic Sea
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Character and environmental lability of cyanobacteria-derived dissolved organic matter

Patriarca, Claudia; Sedano Núñez, Vicente T.; Garcia, Sarahi L; Bergquist, Jonas et al.

Ingår i Limnology and Oceanography, s. 496-509, 2021

• DOI för Character and environmental lability of cyanobacteria-derived dissolved organic matter
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Mineral Phosphorus Supply in Piglets Impacts the Microbial Composition and Phytate Utilization in the Large Intestine

Reyer, Henry; Sjöberg, Per J. R.; Oster, Michael; Wubuli, Aisanjiang et al.

Ingår i Microorganisms, 2021

• DOI för Mineral Phosphorus Supply in Piglets Impacts the Microbial Composition and Phytate Utilization in the Large Intestine
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Investigating the Ionization of Dissolved Organic Matter by Electrospray

Patriarca, Claudia; Balderrama, Andrea; Može, Martina; Sjöberg, Per J. R. et al.

Ingår i Analytical Chemistry, s. 14210-14218, 2020

• DOI för Investigating the Ionization of Dissolved Organic Matter by Electrospray
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Excess Heat in Nanoparticles of Nickel Alloys in Hydrogen

Biberian, Jean-Paul; Michel, Robert; Le Roux, Christophe; Valat, Mathieu et al.

Ingår i JOURNAL OF CONDENSED MATTER NUCLEAR SCIENCE, s. 186-195, 2024

• DOI för Excess Heat in Nanoparticles of Nickel Alloys in Hydrogen

Contrasting distribution and speciation of sedimentary organic phosphorus among different basins of the Baltic Sea

Rydin, Emil; Broman, Elias; Reitzel, Kasper; Lukkari, Kaarina et al.

Ingår i Limnology and Oceanography, s. 767-779, 2023

• DOI för Contrasting distribution and speciation of sedimentary organic phosphorus among different basins of the Baltic Sea
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Character and environmental lability of cyanobacteria-derived dissolved organic matter

Patriarca, Claudia; Sedano Núñez, Vicente T.; Garcia, Sarahi L; Bergquist, Jonas et al.

Ingår i Limnology and Oceanography, s. 496-509, 2021

• DOI för Character and environmental lability of cyanobacteria-derived dissolved organic matter
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Mineral Phosphorus Supply in Piglets Impacts the Microbial Composition and Phytate Utilization in the Large Intestine

Reyer, Henry; Sjöberg, Per J. R.; Oster, Michael; Wubuli, Aisanjiang et al.

Ingår i Microorganisms, 2021

• DOI för Mineral Phosphorus Supply in Piglets Impacts the Microbial Composition and Phytate Utilization in the Large Intestine
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Investigating the Ionization of Dissolved Organic Matter by Electrospray

Patriarca, Claudia; Balderrama, Andrea; Može, Martina; Sjöberg, Per J. R. et al.

Ingår i Analytical Chemistry, s. 14210-14218, 2020

• DOI för Investigating the Ionization of Dissolved Organic Matter by Electrospray
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Complexity of dissolved organic matter in the molecular size dimension: insights from coupled size exclusion chromatography electrospray ionisation mass spectrometry

Hawkes, Jeffrey A.; Sjöberg, Per J. R.; Bergquist, Jonas; Tranvik, Lars

Ingår i Faraday discussions, s. 52-71, 2019

• DOI för Complexity of dissolved organic matter in the molecular size dimension: insights from coupled size exclusion chromatography electrospray ionisation mass spectrometry
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Extreme isomeric complexity of dissolved organic matter found across aquatic environments

Hawkes, Jeffrey A.; Patriarca, Claudia; Sjöberg, Per J. R.; Tranvik, Lars et al.

Ingår i Limnology and Oceanography Letters, s. 21-30, 2018

• DOI för Extreme isomeric complexity of dissolved organic matter found across aquatic environments
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Using standard additions to improve extraction and quantification of inositol hexakisphosphate in sediment samples by ion chromatography electrospray ionization mass spectrometry

Recknagel, Constantin; Thelin, Pernilla; Abraham, Marion; Schulz-Bull, Detlef et al.

Ingår i Talanta, s. 192-198, 2018

• DOI för Using standard additions to improve extraction and quantification of inositol hexakisphosphate in sediment samples by ion chromatography electrospray ionization mass spectrometry

Online HPLC-ESI-HRMS Method for the Analysis and Comparison of Different Dissolved Organic Matter Samples

Patriarca, Claudia; Bergquist, Jonas; Sjöberg, Per JR; Tranvik, Lars et al.

Ingår i Environmental Science and Technology, s. 2091-2099, 2018

• DOI för Online HPLC-ESI-HRMS Method for the Analysis and Comparison of Different Dissolved Organic Matter Samples

A General Route to beta-Substituted Pyrroles by Transition-Metal Catalysis

Bunrit, Anon; Sawadjoon, Supaporn; Tsupova, Svetlana; Sjöberg, Per J. R. et al.

Ingår i Journal of Organic Chemistry, s. 1450-1460, 2016

• DOI för A General Route to beta-Substituted Pyrroles by Transition-Metal Catalysis

Evaluation and Analysis of Environmentally Sustainable Methodologies for Extraction of Betulin from Birch Bark with Focus on Industrial Feasibility

Fridén, Mikael E; Jumaah, Firas; Gustavsson, Christer; Enmark, Martin et al.

Ingår i Green Chemistry, s. 516-523, 2016

• DOI för Evaluation and Analysis of Environmentally Sustainable Methodologies for Extraction of Betulin from Birch Bark with Focus on Industrial Feasibility
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Separation of inositol phosphate isomers in environmental samples by ion-exchange chromatography coupled with electrospray ionization tandem mass spectrometry.

Sjöberg, Per J. R.; Thelin, Pernilla; Rydin, Emil

Ingår i Talanta, s. 392-397, 2016

• DOI för Separation of inositol phosphate isomers in environmental samples by ion-exchange chromatography coupled with electrospray ionization tandem mass spectrometry.

Bronsted Acid-Catalyzed Intramolecular Nucleophilic Substitution of the Hydroxyl Group in Stereogenic Alcohols with Chirality Transfer

Bunrit, Anon; Dahlstrand, Christian; Olsson, Sandra K.; Srifa, Pemikar et al.

Ingår i Journal of the American Chemical Society, s. 4646-4649, 2015

• DOI för Bronsted Acid-Catalyzed Intramolecular Nucleophilic Substitution of the Hydroxyl Group in Stereogenic Alcohols with Chirality Transfer

Speciation of Inositol Phosphates in Lake Sediments by Ion-Exchange Chromatography Coupled with Mass Spectrometry, Inductively Coupled Plasma Atomic Emission Spectroscopy, and P-31 NMR Spectroscopy

Paraskova, Julia V.; Jorgensen, Charlotte; Reitzel, Kasper; Pettersson, Jean et al.

Ingår i Analytical Chemistry, s. 2672-2677, 2015

• DOI för Speciation of Inositol Phosphates in Lake Sediments by Ion-Exchange Chromatography Coupled with Mass Spectrometry, Inductively Coupled Plasma Atomic Emission Spectroscopy, and P-31 NMR Spectroscopy

Turnover of DNA-P and phospholipid-P in lake sediments

Paraskova, Julia V.; Sjöberg, Per J.R.; Rydin, Emil

Ingår i Biogeochemistry, s. 361-370, 2014

• DOI för Turnover of DNA-P and phospholipid-P in lake sediments

One-Pot Synthesis of Keto Thioethers by Palladium/Gold-Catalyzed Click and Pinacol Reactions

Cadu, Alban; Watile, Rahul; Biswas, Srijit; Orthaber, Andreas et al.

Ingår i Organic Letters, s. 5556-5559, 2014

• DOI för One-Pot Synthesis of Keto Thioethers by Palladium/Gold-Catalyzed Click and Pinacol Reactions

Equilibrium Study of Pd(dba)₂ and P(OPh)₃ in the Pd-Catalyzed Allylation of Aniline by Allyl Alcohol

Sawadjoon, Supaporn; Orthaber, Andreas; Sjöberg, Per J. R.; Eriksson, Lars et al.

Ingår i Organometallics, s. 249-253, 2014

• DOI för Equilibrium Study of Pd(dba)₂ and P(OPh)₃ in the Pd-Catalyzed Allylation of Aniline by Allyl Alcohol

Palladium(II) catalyzed desulfitative coupling reactions of sodium aryl sulfinates and nitriles: Scope, limitations, and mechanistic studies

Skillinghaug, Bobo; Sköld, Christian; Behrends, Malte; Sävmarker, Jonas et al.

Ingår i Abstracts of Papers of the American Chemical Society, 2014

Mechanistic Insights into the Pd-Catalyzed Direct Amination of Allyl Alcohols: Evidence for an Outer-sphere Mechanism Involving a Palladium Hydride Intermediate

Sawadjoon, Supaporn; Sjöberg, Per J R; Orthaber, Andreas; Matsson, Olle et al.

Ingår i Chemistry - A European Journal, s. 1520-1524, 2014

• DOI för Mechanistic Insights into the Pd-Catalyzed Direct Amination of Allyl Alcohols: Evidence for an Outer-sphere Mechanism Involving a Palladium Hydride Intermediate

Pressurised hot water extraction in continuous flow mode for thermolabile compounds: extraction of polyphenols in red onions

Liu, Jiayin; Sandahl, Margareta; Sjöberg, Per J. R.; Turner, Charlotta

Ingår i Analytical and Bioanalytical Chemistry, s. 441-445, 2014

• DOI för Pressurised hot water extraction in continuous flow mode for thermolabile compounds: extraction of polyphenols in red onions

Palladium(II)-Catalyzed Decarboxylative Heck Arylations of Acyclic Electron-Rich Olefins with Internal Selectivity

Fardost, Ashkan; Lindh, Jonas; Sjöberg, Per J. R.; Larhed, Mats

Ingår i Advanced Synthesis and Catalysis, s. 870-878, 2014

• DOI för Palladium(II)-Catalyzed Decarboxylative Heck Arylations of Acyclic Electron-Rich Olefins with Internal Selectivity

Strategies for differentiation of isobaric flavonoids using liquid chromatography coupled to electrospray ionization mass spectrometry

Fridén, Mikael E.; Sjöberg, Per J. R.

Ingår i Journal of Mass Spectrometry, s. 646-663, 2014

• DOI för Strategies for differentiation of isobaric flavonoids using liquid chromatography coupled to electrospray ionization mass spectrometry
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Palladium(II)-Catalyzed Desulfitative Synthesis of Aryl Ketones from Sodium Arylsulfinates and Nitriles: Scope, Limitations, and Mechanistic Studies

Skillinghaug, Bobo; Sköld, Christian; Rydfjord, Jonas; Svensson, Fredrik et al.

Ingår i Journal of Organic Chemistry, s. 12018-12032, 2014

• DOI för Palladium(II)-Catalyzed Desulfitative Synthesis of Aryl Ketones from Sodium Arylsulfinates and Nitriles: Scope, Limitations, and Mechanistic Studies

Decarboxylative Palladium(II)-Catalyzed Synthesis of Aryl Amidines from Aryl Carboxylic Acids: Development and Mechanistic Investigation

Rydfjord, Jonas; Svensson, Fredrik; Trejos, Alejandro; Sjöberg, Per J. R. et al.

Ingår i Chemistry - A European Journal, s. 13803-13810, 2013

• DOI för Decarboxylative Palladium(II)-Catalyzed Synthesis of Aryl Amidines from Aryl Carboxylic Acids: Development and Mechanistic Investigation

Anti-browsing effects of birch bark extract on fallow deer

Bergvall, Ulrika A.; Co, Michelle; Bergstrom, Roger; Sjöberg, Per J. R. et al.

Ingår i European Journal of Forest Research, s. 717-725, 2013

• DOI för Anti-browsing effects of birch bark extract on fallow deer

Extraction and quantification of phosphorus derived from DNA and lipids in environmental samples

Paraskova, Julia V.; Rydin, Emil; Sjöberg, Per J. R.

Ingår i Talanta, s. 336-341, 2013

• DOI för Extraction and quantification of phosphorus derived from DNA and lipids in environmental samples

Extraction of Antioxidants from Spruce (Picea abies) Bark using Eco-Friendly Solvents

Co, Michelle; Fagerlund, Amelie; Engman, Lars; Sunnerheim, Kerstin et al.

Ingår i Phytochemical Analysis, s. 1-11, 2012

• DOI för Extraction of Antioxidants from Spruce (Picea abies) Bark using Eco-Friendly Solvents

Degradation effects in the extraction of antioxidants from birch bark using water at elevated temperature and pressure

Co, Michelle; Zettersten, Camilia; Nyholm, Leif; Sjöberg, Per J.R et al.

Ingår i Analytica Chimica Acta, s. 40-48, 2012

• DOI för Degradation effects in the extraction of antioxidants from birch bark using water at elevated temperature and pressure

Oxidative Heck Reactions Using Aryltrifluoroborates and Aryl N-Methyliminodiacetic Acid (MIDA) Boronates

Sävmarker, Jonas; Lindh, Jonas; Nilsson, Peter; Sjöberg, Per et al.

Ingår i ChemistryOpen, s. 140-146, 2012

• DOI för Oxidative Heck Reactions Using Aryltrifluoroborates and Aryl N-Methyliminodiacetic Acid (MIDA) Boronates

Microwave-Assisted Palladium(II)-Catalyzed Synthesis of Aryl Ketones from Aryl Sulfinates and Direct ESI-MS Studies Thereof

Behrends, Malte; Sävmarker, Jonas; Sjöberg, Per J. R.; Larhed, Mats

Ingår i ACS Catalysis, s. 1455-1459, 2011

• DOI för Microwave-Assisted Palladium(II)-Catalyzed Synthesis of Aryl Ketones from Aryl Sulfinates and Direct ESI-MS Studies Thereof

Exploring liquid chromatography-mass spectrometry fingerprints of urine samples from patients with prostate or urinary bladder cancer

Danielsson, Rolf; Allard, Erik; Sjöberg, Per; Bergquist, Jonas

Ingår i Chemometrics and Intelligent Laboratory Systems, s. 33-48, 2011

• DOI för Exploring liquid chromatography-mass spectrometry fingerprints of urine samples from patients with prostate or urinary bladder cancer

Anthocyanin Characterization Utilizing Liquid Chromatography Combined with Advanced Mass Spectrometric Detection

Steimer, Sarah; Sjöberg, Per J. R.

Ingår i Journal of Agricultural and Food Chemistry, s. 2988-2996, 2011

• DOI för Anthocyanin Characterization Utilizing Liquid Chromatography Combined with Advanced Mass Spectrometric Detection

Quantitative aspects of analyzing small molecules - monitoring singly or doubly charged ions?: A case study of ximelagatran.

Allard, Erik; Åslund Tröger, Rikard; Arvidsson, Björn; Sjöberg, Per Johan Ragnar

Ingår i Rapid Communications in Mass Spectrometry, s. 429-435, 2010

• DOI för Quantitative aspects of analyzing small molecules - monitoring singly or doubly charged ions?: A case study of ximelagatran.

Efforts to improve detection sensitivity for capillary electrophoresis coupled to atmospheric pressure photoionization mass spectrometry.

Axén, Jakob; Malmström, David; Axelsson, Bengt-Olof; Petersson, Patrik et al.

Ingår i Rapid Communications in Mass Spectrometry, s. 1260-1264, 2010

• DOI för Efforts to improve detection sensitivity for capillary electrophoresis coupled to atmospheric pressure photoionization mass spectrometry.

Pressurized Hot Water Extraction of anthocyanins from red onion: A study on extraction and degradation rates

Petersson, Erik V.; Liu, Jiayin; Sjöberg, Per J.R.; Danielsson, Rolf et al.

Ingår i Analytica Chimica Acta, s. 27-32, 2010

• DOI för Pressurized Hot Water Extraction of anthocyanins from red onion: A study on extraction and degradation rates

Exploring the possibility of using a thermostable mutant of β-glucosidase for rapid hydrolysis of quercetin glucosides in hot water

Lindahl, Sofia; Ekman, Anna; Khan, Samiullah; Wennerberg, Christina et al.

Ingår i Green Chemistry, s. 159-168, 2010

• DOI för Exploring the possibility of using a thermostable mutant of β-glucosidase for rapid hydrolysis of quercetin glucosides in hot water

Synthesis of aryl ketones by palladium(II)-catalyzed decarboxylative addition of benzoic acids to nitriles

Lindh, Jonas; Sjöberg, Per J. R.; Larhed, Mats

Ingår i Angewandte Chemie International Edition, s. 7733-7737, 2010

• DOI för Synthesis of aryl ketones by palladium(II)-catalyzed decarboxylative addition of benzoic acids to nitriles

Solution structure of a seven coordinated manganese(II) complex via electrospray ionization mass spectrometry

Najafpour, Mohammad Mahdi; Boghaei, Davar M.; Sjöberg, Per J.R.

Ingår i Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, s. 1168-1170, 2010

• DOI för Solution structure of a seven coordinated manganese(II) complex via electrospray ionization mass spectrometry

Online capillary solid phase extraction and liquid chromatographic separation with quantitative tandem mass spectrometric detection (SPE-LC-MS/MS) of ximelagatran and its metabolites in a complex matrix.

Arvidsson, Björn; Allard, Erik; Sjögren, Erik; Lennernäs, Hans et al.

Ingår i Journal of chromatography. B, s. 291-297, 2009

• DOI för Online capillary solid phase extraction and liquid chromatographic separation with quantitative tandem mass spectrometric detection (SPE-LC-MS/MS) of ximelagatran and its metabolites in a complex matrix.

Oxidation of 4-chloroaniline studied by on-line electrochemistry electrospray ionization mass spectrometry

Zettersten, Camilla; Sjöberg, Per J. R.; Nyholm, Leif

Ingår i Analytical Chemistry, s. 5180-5187, 2009

• DOI för Oxidation of 4-chloroaniline studied by on-line electrochemistry electrospray ionization mass spectrometry

Identification and Characterization of Polyphenolic Antioxidants Using On-Line Liquid Chromatography, Electrochemistry, and Electrospray Ionization Tandem Mass Spectrometry

Zettersten, Camilla; Co, Michelle; Wende, Sandra; Turner, Charlotta et al.

Ingår i Analytical Chemistry, s. 8968-8977, 2009

• DOI för Identification and Characterization of Polyphenolic Antioxidants Using On-Line Liquid Chromatography, Electrochemistry, and Electrospray Ionization Tandem Mass Spectrometry

Pressurized liquid extraction of betulin and antioxidants from birch bark

Co, Michelle; Koskela, Pirjo; Eklund-Åkergren, Peter; Srinivas, Keerthi et al.

Ingår i Green Chemistry, s. 668-674, 2009

• DOI för Pressurized liquid extraction of betulin and antioxidants from birch bark

Synthesis of styrenes by palladium(II)-catalyzed vinylation of arylboronic acids and aryltrifluoroborates by using vinyl acetate

Lindh, Jonas; Sävmarker, Jonas; Nilsson, Peter; Sjöberg, Per J R et al.

Ingår i Chemistry - A European Journal, s. 4630-4636, 2009

• DOI för Synthesis of styrenes by palladium(II)-catalyzed vinylation of arylboronic acids and aryltrifluoroborates by using vinyl acetate

Microwave-promoted palladium(II)-catalyzed C-P bond formation by using arylboronic acids or aryltrifluoroborates.

Andaloussi, Mounir; Lindh, Jonas; Sävmarker, Jonas; Sjöberg, Per J.R. et al.

Ingår i Chemistry - A European Journal, s. 13069-13074, 2009

• DOI för Microwave-promoted palladium(II)-catalyzed C-P bond formation by using arylboronic acids or aryltrifluoroborates.

Development of the Tracer-Pulse method for adsorption studies of analyte mixures in liquid chromatography utilizing mass spectrometric detection

Samuelsson, Jörgen; Arnell, Robert; Diesen, Jarle; Tibbelin, Julius et al.

Ingår i Analytical Chemistry, s. 2105-2112, 2008

• DOI för Development of the Tracer-Pulse method for adsorption studies of analyte mixures in liquid chromatography utilizing mass spectrometric detection

Comparing capillary electrophoresis: mass spectrometry fingerprints of urine samples obtained after intake of coffee, tea, or water.

Allard, Erik; Bäckström, Daniel; Danielsson, Rolf; Sjöberg, Per J.R. et al.

Ingår i Analytical Chemistry, s. 8946-8955, 2008

• DOI för Comparing capillary electrophoresis: mass spectrometry fingerprints of urine samples obtained after intake of coffee, tea, or water.

Sediment extraction and clean-up for organic phosphorus analysis by electrospray ionization tandem mass spectrometry

De Brabandere, Heidi; Sjöberg, Per J. R.; Danielsson, Rolf; Ahlgren, Joakim et al.

Ingår i Talanta, s. 1175-1183, 2008

• DOI för Sediment extraction and clean-up for organic phosphorus analysis by electrospray ionization tandem mass spectrometry

A mechanistic study on modern palladium catalyst precursors as new gateways to Pd(0) in cationic Heck reactions

Svennebring, Andreas; Sjöberg, Per; Larhed, Mats; Nilsson, Peter

Ingår i Tetrahedron, s. 1808-1812, 2008

• DOI för A mechanistic study on modern palladium catalyst precursors as new gateways to Pd(0) in cationic Heck reactions

Screening for Organic Phosphorus Compounds in Aquatic Sediments by Liquid Chromatography Coupled to ICP-AES and ESI-MS/MS

De Brabandere, Heidi; Forsgard, Niklas; Israelsson, Lena; Petterson, Jean et al.

Ingår i Analytical Chemistry, s. 6689-6697, 2008

• DOI för Screening for Organic Phosphorus Compounds in Aquatic Sediments by Liquid Chromatography Coupled to ICP-AES and ESI-MS/MS

Characterisation of anthocyanins in red cabbage using high resolution liquid chromatography coupled with photodiode array detection and electrospray ionization-linear ion trap mass spectrometry.

Arapitsas, Panagiotis; Sjöberg, Per J.R.; Turner, Charlotta

Ingår i Food Chemistry, s. 219-226, 2008

• DOI för Characterisation of anthocyanins in red cabbage using high resolution liquid chromatography coupled with photodiode array detection and electrospray ionization-linear ion trap mass spectrometry.

Simultaneous analysis of five antidepressant drugs using direct injection of biofluids in a capillary restricted-access media-liquid chromatography-tandem mass spectrometry system

Santos-Neto, Alvaro J.; Bergquist, Jonas; Lancas, Fernando M.; Sjöberg, Per J.R.

Ingår i Journal of Chromatography A, s. 514-522, 2008

• DOI för Simultaneous analysis of five antidepressant drugs using direct injection of biofluids in a capillary restricted-access media-liquid chromatography-tandem mass spectrometry system

Multivariate comparison between peptide mass fingerprints obtained by liquid chromatography-electrospray ionization-mass spectrometry with different trypsin digestion procedures

Bäckström, Daniel; Moberg, My; Sjöberg, Per J. R.; Bergquist, Jonas et al.

Ingår i Journal of Chromatography A, s. 69-79, 2007

• DOI för Multivariate comparison between peptide mass fingerprints obtained by liquid chromatography-electrospray ionization-mass spectrometry with different trypsin digestion procedures

Screening and identification of aluminium-containing biomolecules by column-switched LC-ICP-MS and LC-ESI-MS/MS

Forsgard, Niklas; Sjöberg, Per; Bylund, Dan; Andersson, Marit et al.

Ingår i Journal of Analytical Atomic Spectrometry, s. 1397-1402, 2007

• DOI för Screening and identification of aluminium-containing biomolecules by column-switched LC-ICP-MS and LC-ESI-MS/MS

An investigation of peak-broadening effects arising when combining CE with MS.

Axén, Jakob; Axelsson, Bengt-Olof; Jörntén-Karlsson, Magnus; Petersson, Patrik et al.

Ingår i Electrophoresis, s. 3207-3213, 2007

• DOI för An investigation of peak-broadening effects arising when combining CE with MS.

Capillary Column Switching Restricted-Access Media-Liquid Chromatography-Electrospray Ionization-Tandem Mass Spectrometry System for Simultaneous and Direct Analysis of Drugs in Biofluids

Santos-Neto, Alvaro J.; Markides, Karin; Sjöberg, Per; Bergquist, Jonas et al.

Ingår i Analytical Chemistry, s. 6359-6367, 2007

• DOI för Capillary Column Switching Restricted-Access Media-Liquid Chromatography-Electrospray Ionization-Tandem Mass Spectrometry System for Simultaneous and Direct Analysis of Drugs in Biofluids

Microwave-Enhanced Copper-Catalyzed N-Arylation of Free and Protected Amino Acids in Water

Röttger, Svenja; Sjöberg, Per J. R.; Larhed, Mats

Ingår i Journal of combinatorial chemistry, s. 204-209, 2007

• DOI för Microwave-Enhanced Copper-Catalyzed N-Arylation of Free and Protected Amino Acids in Water

ESI-MS Detection of Proposed Reaction Intermediates in the Air-Promoted and Ligand-Modulated Oxidative Heck Reaction

Enquist, Per-Anders; Nilsson, Peter; Sjöberg, Per; Larhed, Mats

Ingår i Journal of Organic Chemistry, s. 8779-8786, 2006

• DOI för ESI-MS Detection of Proposed Reaction Intermediates in the Air-Promoted and Ligand-Modulated Oxidative Heck Reaction

The influence of the thin-layer flow cell design on the mass spectra when coupling electrochemistry to electrospray ionisation mass spectrometry

Zettersten, Camilla; Lomoth, Reiner; Hammarström, Leif; Sjöberg, Per et al.

Ingår i Journal of Electroanalytical Chemistry, s. 90-99, 2006

• DOI för The influence of the thin-layer flow cell design on the mass spectra when coupling electrochemistry to electrospray ionisation mass spectrometry

Subcritical water extraction and beta-glucosidase-catalyzed hydrolysis of quercetin glycosides in onion waste

Turner, Charlotta; Turner, Pernilla; Jacobson, Gunilla; Almgren, Knut et al.

Ingår i Green Chemistry, s. 949-959, 2006

• DOI för Subcritical water extraction and beta-glucosidase-catalyzed hydrolysis of quercetin glycosides in onion waste

Urine profiling using capillary electrophoresis-mass spectrometry and multivariate data analysis.

Ullsten, Sara; Danielsson, Rolf; Bäckström, Daniel; Sjöberg, Per J. R. et al.

Ingår i Journal of Chromatography A, s. 87-93, 2006

• DOI för Urine profiling using capillary electrophoresis-mass spectrometry and multivariate data analysis.

Relating chromatographic retention and electrophoretic mobility to the ion distribution within electrosprayed droplets.

Bökman, C Fredrik; Bylund, Dan; Markides, Karin E; Sjöberg, Per J. R.

Ingår i Journal of the American Society for Mass Spectrometry, s. 318-24, 2006

• DOI för Relating chromatographic retention and electrophoretic mobility to the ion distribution within electrosprayed droplets.

Analysis of catecholamines and related substances using porous graphitic carbon as separation media in liquid chromatography-tandem mass spectrometry

Törnkvist, Anna; Sjöberg, Per J. R.; Markides, Karin E.; Bergquist, Jonas

Ingår i Journal of Chromotography B, s. 323-329, 2004

• DOI för Analysis of catecholamines and related substances using porous graphitic carbon as separation media in liquid chromatography-tandem mass spectrometry

A Setup for the Coupling of a Thin-Layer Electrochemical Flow Cell to Electrospray Mass Spectrometry

Bökman, C.Fredrik; Zettersten, Camilla; Sjöberg, Per J.R.; Nyholm, Leif

Ingår i Analytical Chemistry, s. 2017-2024, 2004

Phosphate buffers in capillary electrophoresis/mass spectrometry using atmospheric pressure photoionization and electrospray ionization.

Nilsson, S L; Andersson, C; Sjöberg, P J R; Bylund, D et al.

Ingår i Rapid Communications in Mass Spectrometry, s. 2267-72, 2003

• DOI för Phosphate buffers in capillary electrophoresis/mass spectrometry using atmospheric pressure photoionization and electrospray ionization.

Use of an adsorbed chiral selector in capillary LC-MS

Törnkvist, A.; Sjöberg, P.J.R.; Markides, K.E.; Heldin, E.

Ingår i Chirality, s. 653-658, 2002

A method for determination of ion distribution within electrosprayed droplets

Sjoberg, PJR; Bokman, CF; Bylund, D; Markides, KE

Ingår i ANALYTICAL CHEMISTRY, s. 23-28, 2001

Factors influencing the determination of analyte ion surface partitioning coefficients in electrosprayed droplets

Sjoberg, PJR; Bokman, CF; Bylund, D; Markides, KE

Ingår i JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, s. 1002-1010, 2001

Characterization of the atmospheric pressure ionization mass spectrometric process obtained using a fused-silica emitter with the high voltage applied upstream

Sjoberg, PJR; Nyholm, L; Markides, KE

Ingår i JOURNAL OF MASS SPECTROMETRY, s. 330-336, 2000

Capillary column supercritical fluid chromatography-atmospheric pressure ionisation mass spectrometry - Interface performance of atmospheric pressure chemical ionisation and electrospray ionisation

Sjoberg, PJR; Markides, KE

Ingår i JOURNAL OF CHROMATOGRAPHY A, s. 317-327, 1999

Energy-resolved collision-induced dissociation atmospheric pressure chemical ionization mass spectrometry of constitutional and stereo steroid isomers

Sjoberg, PJR; Markides, KE

Ingår i JOURNAL OF MASS SPECTROMETRY, s. 872-883, 1998

New supercritical fluid chromatography interface probe for electrospray and atmospheric pressure chemical ionization mass spectrometry

Sjoberg, PJR; Markides, KE

Ingår i JOURNAL OF CHROMATOGRAPHY A, s. 101-110, 1997

Capillary supercritical fluid chromatography combined with atmospheric pressure chemical ionisation mass spectrometry for the investigation of photoproduct formation in the sunscreen absorber 2-ethylhexyl-p-methoxycinnamate

Broadbent, JK; Martincigh, BS; Raynor, MW; Salter, LF et al.

Ingår i JOURNAL OF CHROMATOGRAPHY A, s. 101-110, 1996

Regulation of multimer formation in electrospray mass spectrometry

Stefansson, M; Sjoberg, PJR; Markides, KE

Ingår i ANALYTICAL CHEMISTRY, s. 1792-1797, 1996

High-temperature open tubular liquid chromatography coupled to atmospheric pressure chemical ionisation mass spectrometry

Nyholm, LM; Sjoberg, PJR; Markides, KE

Ingår i JOURNAL OF CHROMATOGRAPHY A, s. 153-164, 1996

Can phospholipids and nucleic acids shed light on organic phosphorus turnover in lake sediment?

Paraskova, Julia V.; Sjöberg, Per J.R.; Rydin, Emil

Ingår i Organic Phosphorus 2013 Integration across Ecosystems, s. 35-35, 2013

Electrochemistry coupled to Electrospray Mass Spectrometry for the study of the Oxidation of 4-Chloroaniline

Nyholm, Leif; Zettersten, Camilla; Sjöberg, P. J. R.

Ingår i oral presentation at the 59^th Annual Meeting of the International Society of Electrochemistry, Seville, Spain, September 7-12, 2008, 2008

Pressurised solvent extraction and HPLC/UV-MS/MS analysis of anthocyanins from red cabbage

Arapitsas, Panagiotis; Sjöberg, Per; Turner, Charlotta

Ingår i 5th International Congress on Food Technology, Thessaloniki, Greece, 2007

On the coupling of Electrochemical Cells to Electrospray Ionisation Mass Spectrometry

Nyholm, Leif; Zettersten, Camilla; Bökman, Fredrik; Sjöberg, Per et al.

Ingår i ESEAC 10th International Conference on Electroanalysis of the European Society for ElectroAnalytical Chemistry, Galway 6-10 June 2004, 2004

A Novel Set-Up for the Coupling of a Thin Layer Electrochemical Cell to Electrospray Mass Spectrometry

Zettersten, C; Bökman, C. F.; Sjöberg, P. J. R.; Nyholm, Leif

Ingår i presented at the 16th International Mass Spectrometry Conference (IMSC), Edinburgh, August 31 - September 5, 2003, 2003

Speciation of inositol phosphates in lake sediments by ion-exchange chromatography coupled with mass spectrometry, ICP-AES and ³¹P NMR spectroscopy

Paraskova, Julia V.; Jørgensen, Charlotte; Reitzel, Kasper; Pettersson, Jean et al.

Organic phosphorus speciation in a small catchment: sinks and sources

Paraskova, Julia V.; Sjöberg, Per J.R.; Rydin, Emil