244 results on '"Petersson, Patrik"'
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2. Anomalous Retention Prediction Using Modelling Software in Gradient Reversed-Phase Liquid Chromatography: Why it Can Occur and How to Prevent It
3. A strategy for assessing peak purity of pharmaceutical peptides in reversed-phase chromatography methods using two-dimensional liquid chromatography coupled to mass spectrometry. Part I: Selection of columns and mobile phases
4. A Strategy for assessing peak purity of pharmaceutical peptides in reversed-phase chromatography methods using two-dimensional liquid chromatography coupled to mass spectrometry. Part II: Development of second-dimension gradient conditions
5. Method Development for Reversed-Phase Separations of Peptides: A Rational Screening Strategy for Column and Mobile Phase Combinations with Complementary Selectivity
6. Dealing with Wandering First-Dimension Peaks in 2D-LC Separations: The retention of large molecules, such as peptides and proteins, is strongly dependent on mobile-phase composition and temperature. Consequently, the retention times ([t.sub.R]) of these molecules often fluctuate from one separation to the next. In two-dimensional liquid chromatography (2D-LC), this fluctuation can be challenging to deal with, especially if only one or a few specific peaks in the first dimension ([.sup.1]D) separation are targeted for further separation. In this installment, we describe instrumental concepts that are useful for coping with this challenge
7. Investigation into reversed-phase chromatography peptide separation systems part V: Establishment of a screening strategy for development of methods for assessment of pharmaceutical peptides' purity
8. Dealing with Wandering First-Dimension Peaks in 2D-LC Separations
9. Investigation into reversed-phase chromatography peptide separation systems Part IV: Characterisation of mobile phase selectivity differences
10. Investigation into reversed phase chromatography peptide separation systems part III: Establishing a column characterisation database
11. Column Classification/Characterisation of Strong Cation Exchange Phases for the Liquid Chromatographic Analysis of Small Molecular Weight Bases
12. Investigation into reversed phase chromatography peptide separation systems part I: Development of a protocol for column characterisation
13. Investigation into reversed phase chromatography peptide separation systems part II: An evaluation of the robustness of a protocol for column characterisation
14. Minimizing Fluctuating Peptide Retention in 2D-LC: How to Address a Moving Target: Retention of peptides is strongly dependent on solvent composition in reversed-phase separations with gradient elution. In this installment, we provide tips, tricks, and suggestions for best practices to help minimize retention time variations over time
15. Minimizing Fluctuating Peptide Retention in 2D-LC: How to Address a Moving Target
16. Understanding How Dwell Volume Can Affect Selectivity in Reversed-Phase Gradient Chromatography
17. Multiple heart-cutting two dimensional liquid chromatography mass spectrometry: Towards real time determination of related impurities of bio-pharmaceuticals in salt based separation methods
18. Maximization of selectivity in reversed-phase liquid chromatographic method development strategies
19. A Practical Approach to Modelling of Reversed-Phase Liquid Chromatographic Separations: Advantages, Principles, and Possible Pitfalls
20. Retention modelling in hydrophilic interaction chromatography
21. Practical implications of the “Tanaka” stationary phase characterization methodology using ultra high performance liquid chromatographic conditions
22. Maximization of selectivity in reversed-phase liquid chromatographic method development strategies
23. Why ultra high performance liquid chromatography produces more tailing peaks than high performance liquid chromatography, why it does not matter and how it can be addressed
24. Combined use of algorithms for peak picking, peak tracking and retention modelling to optimize the chromatographic conditions for liquid chromatography–mass spectrometry analysis of fluocinolone acetonide and its degradation products
25. A Strategy for Assessing Peak Purity of Pharmaceutical Peptides in Reversed-Phase Chromatography Methods Using 2D-LC-MS. Part I: Selection of Columns and Mobile Phases
26. Translations between differing liquid chromatography formats: advantages, principles, and possible pitfalls
27. A component tracking algorithm for accelerated and improved liquid chromatography–mass spectrometry method development
28. Translations between differing liquid chromatography formats: advantages, principles, and possible pitfalls
29. Critical comparison of performances of superficially porous particles and sub-2 μm particles under optimized ultra-high pressure conditions
30. The influence of stationary phase on pressure-induced retention, selectivity and resolution changes in RP-LC
31. Haltbestämning av flavanoider i hantverksmässigt tillverkad choklad
32. Étude genrée de l´oeuvre : Virility and male dominance in The end of Eddy: A gendered study
33. Mémoire de licence : La virilité et la domination masculine dans En finir avec Eddy Bellegueule
34. A Study of the Relative Importance of Lipophilic, π–π and Dipole–Dipole Interactions on Cyanopropyl, Phenyl and Alkyl LC Phases Bonded onto the Same Base Silica
35. An objective comparison of pre-processing methods for enhancement of liquid chromatography–mass spectrometry data
36. Chromatographic classification and comparison of commercially available reversed-phase liquid chromatographic columns containing phenyl moieties using principal component analysis
37. Continuous full filling capillary electrochromatography: Chromatographic performance and reproducibility
38. Continuous full filling capillary electrochromatography: Nanoparticle synthesis and evaluation
39. Nanoparticle-based continuous full filling capillary electrochromatography/electrospray ionization-mass spectrometry for separation of neutral compounds
40. Nanoparticles as pseudostationary phase in capillary electrochromatography/ESI-MS
41. Dynamic Fascial Closure With Vacuum-Assisted Wound Closure and Mesh-Mediated Fascial Traction (VAWCM) Treatment of the Open Abdomen—An Updated Systematic Review
42. Chromatographic classification and comparison of commercially available reversed-phase liquid chromatographic columns containing polar embedded groups/amino endcappings using principal component analysis
43. Performance testing theblack-litterman model on OMXS30
44. Chromatographic classification and comparison of commercially available reversed-phase liquid chromatographic columns using principal component analysis
45. Copolymeric (1 R- trans)- N, N′-1,2-cyclohexylene-bisbenzamide oligodimethylsiloxane chiral stationary phase for gas chromatography
46. Chromatographic retention behaviour, modelling and optimization of a UHPLC-UV separation of the regioisomers of the Novel Psychoactive Substance (NPS) methoxphenidine (MXP)
47. Retention Modelling of Peptide and Protein Separations
48. Active Solvent Modulation: A Valve-Based Approach To Improve Separation Compatibility in Two-Dimensional Liquid Chromatography
49. BIM som ett verktyg för planering och uppföljning av underhåll
50. Radiella lösningar till en klass av semilineära elliptiska ekvationer
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