Publikationer i Sjöberg grupp

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

    Character and environmental lability of cyanobacteria-derived dissolved organic matter

    Ingår i Limnology and Oceanography, 2020.

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

    Investigating the Ionization of Dissolved Organic Matter by Electrospray

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

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

    Complexity of dissolved organic matter in the molecular size dimension: insights from coupled size exclusion chromatography electrospray ionisation mass spectrometry

    Ingår i Faraday discussions (Online), s. 52-71, 2019.

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

    Extreme isomeric complexity of dissolved organic matter found across aquatic environments

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

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

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

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

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

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

    Ingår i Talanta, s. 192-198, 2018.

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

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

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

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

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

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

    Open access
  • Sjöberg, Per J. R.; Thelin, Pernilla; Rydin, Emil

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

    Ingår i Talanta, s. 392-397, 2016.

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

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

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

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

    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

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

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

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

    Ingår i Organometallics, s. 249-253, 2014.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  • Fridén, Mikael E.; Sjöberg, Per J. R.

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

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

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

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

    Ingår i Biogeochemistry, s. 361-370, 2014.

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

    Anti-browsing effects of birch bark extract on fallow deer

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

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

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

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

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

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

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

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

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

    Ingår i Talanta, s. 336-341, 2013.

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

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

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

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

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

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

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

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

    Ingår i ChemistryOpen, s. 140-146, 2012.

    Open access
  • Steimer, Sarah; Sjöberg, Per J. R.

    Anthocyanin Characterization Utilizing Liquid Chromatography Combined with Advanced Mass Spectrometric Detection

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    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.

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

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

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

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

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

    Pressurized liquid extraction of betulin and antioxidants from birch bark

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

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

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

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

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

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

    Ingår i Tetrahedron, s. 1808-1812, 2008.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Ingår i Talanta, s. 1175-1183, 2008.

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

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

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

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

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

    Ingår i Electrophoresis, s. 3207-3213, 2007.

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

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

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

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

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

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

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

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

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

  • Arapitsas, Panagiotis; Sjöberg, Per; Turner, Charlotta

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    On the coupling of Electrochemical Cells to Electrospray Ionisation Mass Spectrometry

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

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

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

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

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

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

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

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

    Use of an adsorbed chiral selector in capillary LC-MS

    Ingår i Chirality, s. 653-658, 2002.

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

    A method for determination of ion distribution within electrosprayed droplets

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

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

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

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

  • Sjoberg, PJR; Nyholm, L; Markides, KE

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

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

  • Sjoberg, PJR; Markides, KE

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

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

  • Sjoberg, PJR; Markides, KE

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

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

  • Sjoberg, PJR; Markides, KE

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

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

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

    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

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

  • Nyholm, LM; Sjoberg, PJR; Markides, KE

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

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

  • Stefansson, M; Sjoberg, PJR; Markides, KE

    Regulation of multimer formation in electrospray mass spectrometry

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

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

    Organic phosphorus speciation in a small catchment: sinks and sources

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

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