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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 59th Annual Meeting of the International Society of Electrochemistry, Seville, Spain, September 7-12, 2008, 2008
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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