Nonlinear Chemical Imaging
Nonlinear Chemical Imaging
Research Group Alexander Fellows
Research Group Alexander Fellows

Publications

2025

B. John, S. Kaur, M. Wolf, M. Thämer, and A. P. Fellows
Using Vibrational Sum-Frequency Generation Microscopy to Probe the Impact of Headgroup Functionality on the Hierarchical Domain Structure in Lipid Membranes
Faraday Discuss. (In Press)

2024

A. P. Fellows, Á. Díaz Duque, V. Balos, L. Lehmann, R. R. Netz, M. Wolf, and M. Thämer
Sum-Frequency Generation Spectroscopy of Aqueous Interfaces: The Role of Depth and its Impact on Spectral Interpretation
J. Phys. Chem. C (2024) 128(49); 20733-20750

A. P. Fellows, B. John, M. Wolf, and M. Thämer
Extracting the Heterogeneous 3D Structure of Molecular Films using Higher Dimensional SFG Microscopy
J. Phys. Chem. Lett. (2024) 15; 10849-10857

A. P. Fellows, Á. Díaz Duque, V. Balos, L. Lehmann, R. R. Netz, M. Wolf, and M. Thämer
How Thick is the Air-Water Interface? – A Direct Experimental Measurement of the Decay Length of the Interfacial Structural Anisotropy
Langmuir (2024) 40(35); 18760-18772

A. P. Fellows, B. John, M. Wolf, and M. Thämer
Spiral Packing and Chiral Selectivity in Model Membranes Probed by Phase-Resolved Sum-Frequency Generation Microscopy
Nat. Commun. (2024) 15; 3161

2023

A. P. Fellows, V. Balos, B. John, Á. Díaz Duque, M. Wolf, and M. Thämer
Obtaining Extended Insight into Molecular Systems by Probing Multiple Pathways in Second-Order Nonlinear Spectroscopy
J. Chem. Phys. (2023) 159(16), 164201

A. P. Fellows, M. T. L. Casford, and P. B. Davies
In Situ Investigation of the Oxidation of a Phospholipid Monolayer by Reactive Oxygen Species (ROS)
Biophys. J. (2023) 122(11); 2007-2022

Before 2023

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Investigating Bénard-Marangoni Migration at the Air-Water Interface in the Time Domain using Sum Frequency Generation (SFG) Spectroscopy of Palmitic Acid Monolayers
J. Chem. Phys. (2022) 156(16); 164701

A. P. Fellows, D. Puhan, J. S. S. Wong, M. T. L. Casford, and P. B. Davies
Probing the Nanoscale Heterogeneous Mixing in a High-Performance Polymer Blend
Polymers (2022) 14(1); 192

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Chemically Characterising the Cortical Cell Nano-Structure of Human Hair using Atomic Force Microscopy integrated with Infrared Spectroscopy (AFM-IR)
Int. J. Cosmet. Sci. (2021) 44(1), 42-55

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Using Hybrid Atomic Force Microscopy and Infrared Spectroscopy (AFM-IR) to Identify Chemical Components of the Hair Medulla on the Nanoscale
J. Microsc. (2021) 284(3), 189-202

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Orientation Analysis of Sum Frequency Generation Spectra of Di-chain Phospholipids: Effect of the Second Acyl Chain
AIP Adv. (2021) 11(4), 045119

A. P. Fellows, M. T. L. Casford, P. B. Davies, J. S. Gibson, J. N. Brewin, and D. C. Rees
Nanoscale Adhesion Profiling and Membrane Characterisation in Sickle Cell Disease using Hybrid Atomic Force Microscopy-IR Spectroscopy
Colloids Surf. B (2021) 197, 111383

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Nanoscale Molecular Characterisation of Hair Cuticle Cells Using Integrated Atomic Force Microscopy-Infrared Laser Spectroscopy
Appl. Spectrosc. (2020) 74(12), 1540-1550

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Infrared Nanospectroscopy of Air-Sensitive Biological Substrates Protected by Thin Hydrogel Films
Biophys. J. (2020) 119(8), 1474-1480

A. P. Fellows, D. Puhan, M. T. L. Casford, and P. B. Davies
Understanding the Lubrication Mechanism of Polyvinyl Alcohol Hydrogels using Infrared Nanospectroscopy
J. Phys. Chem. C (2020) 124(33), 18091-18101

A. P. Fellows, M. T. L. Casford, and P. B. Davies
Spectral Analysis and Deconvolution of the Amide-I Band of Proteins Presenting with High-Frequency Noise and Baseline Shifts
Appl. Spectrosc. (2020) 74(5), 597-615

S. A. Goussous, A. P. Fellows, M. T. L. Casford, and P. B. Davies
A Time Domain Study of Surfactin Penetrating a Phospholipid Monolayer at the Air-Water Interface Investigated using Sum Frequency Generation Spectroscopy, Infrared Reflection Absorption Spectroscopy, and AFM-Nano Infrared Microscopy
BBA-Biomembranes (2019) 1861(9), 1568-1578