Karlis Berzins
Research assistant
NNF Laureat - Ben Boyd
Universitetsparken 2, 2100 København Ø
- 2024
- Published
In Operando Analysis of Milk-Based Oral Formulations during Digestion Using Synchrotron Small-Angle X-ray Scattering Coupled to Low-Frequency Raman Spectroscopy
Bērziņš, Kārlis, Meiland, Peter, Aljabbari, Anas Samir Mohammad & Boyd, Ben, 2024, In: Analytical Chemistry. 96, 2, p. 887-894Research output: Contribution to journal › Journal article › Research › peer-review
- Published
In Situ Imaging of Subcutaneous Drug Delivery Systems Using Microspatially Offset Low-Frequency Raman Spectroscopy
Bērziņš, Kārlis, Czyrski, Grzegorz Sebastian, Aljabbari, Anas Samir Mohammad, Heinz, Andrea & Boyd, Ben, 2024, In: Analytical Chemistry. 96, 16, p. 6408–6416Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
An Exploration of Mineral Density, Elemental and Chemical Composition of Primary Teeth in Relation to Cord-Blood Vitamin D, Using Laboratory Analysis Techniques
Beckett, D. M., Vaz Viegas, S., Broadbent, J. M., Wheeler, B. J., Bērziņš, Kārlis, Fraser-Miller, S. J., Gordon, K. C., Drummond, B. K., Mahoney, E. K. & Loch, C., 2023, In: Journal of Bone and Mineral Research. 38, 12, p. 1846-1855Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Application of Low-Frequency Raman Spectroscopy to Probe Dynamics of Lipid Mesophase Transformations upon Hydration
Krog, Lasse Skjoldborg, Kirkensgaard, Jacob Judas Kain, Foderà, Vito, Boyd, Ben & Bērziņš, Kārlis, 2023, In: Journal of Physical Chemistry B. 127, 14, p. 3223-3230Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Comparison of Low-, Mid-, and High-Frequency Raman Spectroscopy for an In Situ Kinetic Analysis of Lipid Polymorphic Transformations
Pasquarella, C., Bertoni, S., Passerini, N., Boyd, Ben & Bērziņš, Kārlis, 2023, In: Crystal Growth and Design. 23, 11, p. 7947–7957Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Exploring the Solid-State Landscape of Carbamazepine during Dehydration: A Low Frequency Raman Spectroscopy Perspective
Remoto, P. I. I. I. J. G., Bērziņš, Kārlis, Fraser-Miller, S. J., Korter, T. M., Rades, Thomas, Rantanen, Jukka & Gordon, K. C., 2023, In: Pharmaceutics. 15, 5, 15 p., 1526.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
In Situ Monitoring of Drug Precipitation from Digesting Lipid Formulations Using Low-Frequency Raman Scattering Spectroscopy
Salim, M., Fraser-Miller, S. J., Bērziņš, Kārlis, Sutton, J. J., Gordon, K. C. & Boyd, Ben, 2023, In: Pharmaceutics. 15, 7, 13 p., 1968.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Influence of Gastrointestinal Biomolecules on Solid-State Transformations in Pharmaceutical Particulates
Aljabbari, Anas Samir Mohammad, Kihara, Shinji, Rades, Thomas, Boyd, Ben & Bērziņš, Kārlis, 2023, In: Molecular Pharmaceutics. 20, 8, p. 4297-4306Research output: Contribution to journal › Journal article › Research › peer-review
- 2022
- Published
Elucidating the Dehydration Mechanism of Nitrofurantoin Monohydrate II Using Low-Frequency Raman Spectroscopy
Remoto, P. J. G., Bērziņš, Kārlis, Fraser-Miller, S. J., Korter, T. M., Rades, Thomas, Rantanen, Jukka & Gordon, K. C., 2022, In: Crystal Growth and Design. 22, 4, p. 2733-2741Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Evaluating Spatially Offset Low-Frequency Anti-Stokes Raman Spectroscopy (SOLFARS) for Detecting Subsurface Composition below an Emissive Layer: A Proof of Principle Study Using a Model Bilayer System
Bērziņš, Kārlis, Mapley, J. I., Gordon, K. C. & Fraser-Miller, S. J., 2022, In: Molecular Pharmaceutics. 19, 11, p. 4311–4319Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Low-Frequency Raman Spectroscopy as an Avenue to Determine the Transition Temperature of β- and γ-Relaxation in Pharmaceutical Glasses
Bērziņš, Kārlis, Fraser-Miller, S. J., Rades, Thomas & Gordon, K. C., 2022, In: Analytical Chemistry. 94, 23, p. 8241-8248Research output: Contribution to journal › Journal article › Research › peer-review
Nondestructive Spatial Dehydration Analysis of Crystalline Hydrates in Pharmaceutical Solid Dosage Forms Using Spatially Offset Low-Frequency Raman Spectroscopy
Bērziņš, Kārlis, Remoto, P. I. J. G., Fraser-Miller, S. J. & Gordon, K. C., 2022, In: Crystal Growth & Design. 22, 5, p. 2946–2953Research output: Contribution to journal › Journal article › Research › peer-review
Optimization of methionine in inhalable High-dose Spray-dried amorphous composite particles using response surface Method, infrared and low frequency Raman spectroscopy
Raj Adhikari, B., Bērziņš, Kārlis, Fraser-Miller, S. J., Cavallaro, A., Gordon, K. C. & Das, S. C., 2022, In: International Journal of Pharmaceutics. 614, 121446.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
A New Frontier for Nondestructive Spatial Analysis of Pharmaceutical Solid Dosage Forms: Spatially Offset Low-Frequency Raman Spectroscopy
Bērziņš, Kārlis, Fraser-Miller, S. J. & Gordon, K. C., 2021, In: Analytical Chemistry. 93, 8, p. 3698–3705Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Combined Effect of the Preparation Method and Compression on the Physical Stability and Dissolution Behavior of Melt-Quenched Amorphous Celecoxib
Bērziņš, Kārlis, Fraser-Miller, S. J., Di, Rong, Liu, J., Peltonen, L., Strachan, C. J., Rades, Thomas & Gordon, K. C., 2021, In: Molecular Pharmaceutics. 18, 3, p. 1408-1418Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Investigation on Formulation Strategies to Mitigate Compression-Induced Destabilization in Supersaturated Celecoxib Amorphous Solid Dispersions
Bērziņš, Kārlis, Fraser-Miller, S. J., Walker, G. F., Rades, Thomas & Gordon, K. C., 2021, In: Molecular Pharmaceutics. 18, 10, p. 3882–3893Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Monitoring the Isothermal Dehydration of Crystalline Hydrates Using Low-Frequency Raman Spectroscopy
Robert, C., Fraser-Miller, S. J., Bērziņš, Kārlis, Okeyo, P. O., Rantanen, Jukka, Rades, Thomas & Gordon, K. C., 2021, In: Molecular Pharmaceutics. 18, 3, p. 1264-1276Research output: Contribution to journal › Journal article › Research › peer-review
Pseudo-3D Subsurface Imaging of Pharmaceutical Solid Dosage Forms Using Micro-spatially Offset Low-Frequency Raman Spectroscopy
Bērziņš, Kārlis, Fraser-Miller, S. J. & Gordon, K. C., 2021, In: Analytical Chemistry. 93, 25, p. 8986–8993Research output: Contribution to journal › Journal article › Research › peer-review
Qualitative and quantitative vibrational spectroscopic analysis of macronutrients in breast milk
Bērziņš, Kārlis, Harrison, S. D. L., Leong, C., Fraser-Miller, S. J., Harper, M. J., Diana, A., Gibson, R. S., Houghton, L. & Gordon, K. C., 2021, In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 246, 118982.Research output: Contribution to journal › Journal article › Research › peer-review
Recent advances in low-frequency Raman spectroscopy for pharmaceutical applications
Bērziņš, Kārlis, Fraser-Miller, S. J. & Gordon, K. C., 2021, In: International Journal of Pharmaceutics. 592, 120034.Research output: Contribution to journal › Journal article › Research › peer-review
- 2020
Co-Amorphization of Kanamycin with Amino Acids Improves Aerosolization
Adhikari, B. R., Bērziņš, Kārlis, Fraser-Miller, S. J., Gordon, K. C. & Das, S. C., 2020, In: Pharmaceutics. 12, 8, 715.Research output: Contribution to journal › Journal article › Research › peer-review
Low-frequency raman scattering spectroscopy as an accessible approach to understand drug solubilization in milk-based formulations during digestion
Salim, M., Fraser-Miller, S. J., Bērziņš, Kārlis, Sutton, J. J., Ramirez, G., Clulow, A. J., Hawley, A., Beilles, S., Gordon, K. C. & Boyd, B. J., 2020, In: Molecular Pharmaceutics. 17, 3, p. 885–899Research output: Contribution to journal › Journal article › Research › peer-review
Low-wavenumber Raman spectral database of pharmaceutical excipients
Bērziņš, Kārlis, Sales, R. E., Barnsley, J. E., Walker, G., Fraser-Miller, S. J. & Gordon, K. C., 2020, In: Vibrational Spectroscopy. 107, 103021.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Solving the Computational Puzzle: Toward a Pragmatic Pathway for Modeling Low-Energy Vibrational Modes of Pharmaceutical Crystals
Bērziņš, Kārlis, Sutton, J. J., Fraser-Miller, S. J., Rades, Thomas, Korter, T. M. & Gordon, K. C., 2020, In: Crystal Growth & Design. 20, 10, p. 6947-6955Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
Application of Low-Frequency Raman Scattering Spectroscopy to Probe in Situ Drug Solubilization in Milk during Digestion
Salim, M., Fraser-Miller, S. J., Sutton, J. J., Bērziņš, Kārlis, Hawley, A., Clulow, A. J., Beilles, S., Gordon, K. C. & Boyd, Ben, 2019, In: Journal of Physical Chemistry Letters. 10, 9, p. 2258–2263Research output: Contribution to journal › Journal article › Research › peer-review
Application of low‐wavenumber Raman spectroscopy to the analysis of human teeth
Bērziņš, Kārlis, Sutton, J. J., Loch, C., Beckett, D., Wheeler, B. J., Drummond, B. K., Fraser‐Miller, S. J. & Gordon, K. C., 2019, In: Journal of Raman Spectroscopy. 50, 10, p. 1375-1387Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Low-Frequency Raman Spectroscopic Study on Compression-Induced Destabilization in Melt-Quenched Amorphous Celecoxib
Bērziņš, Kārlis, Fraser-Miller, S. J., Rades, Thomas & Gordon, K. C., 2019, In: Molecular Pharmaceutics. 16, 8, p. 3678-3686 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
Synthesis of some heptazine derivatives
Krūkle-Bērziņa, K., Bērziņš, Kārlis & Shubin, K., 2019, In: Chemistry of Heterocyclic Compounds. 55, p. 1281–1284Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
Compression-Induced Crystallization in Sucrose-Polyvinylpyrrolidone Amorphous Solid Dispersions
Bērziņš, Kārlis & Suryanarayanan, R., 2018, In: Crystal Growth and Design.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physical Stability and Dissolution Behavior of Ketoconazole-Organic Acid Coamorphous Systems
Fung, M., Bērziņš, Kārlis & Suryanarayanan, R., 2018, In: Molecular Pharmaceutics.Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- Published
Multi-technique approach for qualitative and quantitative characterization of furazidin degradation kinetics under alkaline conditions
Bērziņš, Kārlis, Kons, A., Grante, I., Dzabijeva, D., Nakurte, I. & Actiņš, A., 2016, In: Journal of Pharmaceutical and Biomedical Analysis.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Solvates of Dasatinib: Diversity and Isostructurality
Sarceviča, I., Grante, I., Belyakov, S., Rekis, T., Bērziņš, Kārlis, Actiņš, A. & Orola, L., 2016, In: Journal of Pharmaceutical Sciences.Research output: Contribution to journal › Journal article › Research › peer-review
- 2015
- Published
The influence of pH on the stability of antazoline: kinetic analysis
Bērziņš, Kārlis, Grante, I., Nakurte, I. & Actiņš, A., 2015, In: RSC Advances.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 308436224
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Combined Effect of the Preparation Method and Compression on the Physical Stability and Dissolution Behavior of Melt-Quenched Amorphous Celecoxib
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
11
downloads
Exploring the Solid-State Landscape of Carbamazepine during Dehydration: A Low Frequency Raman Spectroscopy Perspective
Research output: Contribution to journal › Journal article › Research › peer-review
Published