Marco Paolantoni
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View article: Probing Residual Water in G-Quadruplex Structures through Molecular Vibrations
Probing Residual Water in G-Quadruplex Structures through Molecular Vibrations Open
G-quadruplexes (GQs), noncanonical DNA structures involved in gene regulation and genome stability, exhibit a high structural polymorphism that is strongly modulated by their solvation environment. Here we employ a dual-spectroscopy approa…
View article: Self-assembly of boc-protected diphenylalanine functionalized with boron-dipyrromethane
Self-assembly of boc-protected diphenylalanine functionalized with boron-dipyrromethane Open
Peptides functionalized with fluorescent dyes can form aggregated structures that show potential for photonic and/or theranostic applications. In this study, we used the good-bad solvent method to induce the self-assembly of chromopeptides…
View article: Multiple length-scale control of Boc-protected diphenylalanine aggregates through solvent composition
Multiple length-scale control of Boc-protected diphenylalanine aggregates through solvent composition Open
Self-aggregation of Boc-protected diphenylalanine towards the formation of architectures with morphology and structure highly dependent on the acetonitrile-water percentage.
View article: Pre-resonance effects in deep UV Raman spectra of normal and deuterated water
Pre-resonance effects in deep UV Raman spectra of normal and deuterated water Open
We have investigated the shape of the OH/OD stretching Raman band of water as a function of the excitation wavelength in the deep UV region (200–266 nm).
View article: Multimodal spectroscopic assessment of mechanical and chemical properties of ABS objects in cultural heritage preservation
Multimodal spectroscopic assessment of mechanical and chemical properties of ABS objects in cultural heritage preservation Open
The 1960s saw the emergence of plastic as an indispensable component in various fields, including art and design. Acrylonitrile-butadiene-styrene (ABS) is widely used by artists and designers for a range of applications including sculpture…
View article: Hydration water and ionic aggregation in aqueous solutions of imidazolium-based protic ionic liquids
Hydration water and ionic aggregation in aqueous solutions of imidazolium-based protic ionic liquids Open
Water molecules, present as additive or as contaminant of Protic Ionic Liquids (PILs), can compete for the hydrogen bond sites leading to important modifications of the local order of these liquids and to the modulation of their physical–c…
View article: Sequential Extraction and Attenuated Total Reflection–Fourier Transform Infrared Spectroscopy Monitoring in the Biorefining of Brewer’s Spent Grain
Sequential Extraction and Attenuated Total Reflection–Fourier Transform Infrared Spectroscopy Monitoring in the Biorefining of Brewer’s Spent Grain Open
The brewing industry plays a significant role in producing a substantial annual volume of by-products, which contributes to the global accumulation of food waste. The primary by-product generated is brewer’s spent grain (BSG), a lignocellu…
View article: Extracorporeal membrane oxygenation and effects on tendon tissue: A vibrational spectroscopy study
Extracorporeal membrane oxygenation and effects on tendon tissue: A vibrational spectroscopy study Open
Extracorporeal membrane oxygenation (ECMO) is an invasive medical technique used to provide life support in persons with insufficient cardiac and respiratory functionalities, or to preserve, postmortem, and organ function addressing organ/…
View article: Bio-Based Tannin-Furanic-Silk Adhesives: Applications in Plywood and Chemical Cross-linking Mechanisms
Bio-Based Tannin-Furanic-Silk Adhesives: Applications in Plywood and Chemical Cross-linking Mechanisms Open
Wood polyphenolic extracts, commonly called tannins,are excellentcandidates for the production of bioplastics due to their abundancein nature, their commercial availability, and their reactivity. Inparticular, they were tested as wood adhe…
View article: Amyloidogenic and non-amyloidogenic molten globule conformation of β-lactoglobulin in self-crowded regime
Amyloidogenic and non-amyloidogenic molten globule conformation of β-lactoglobulin in self-crowded regime Open
Molecular insights on the β-lactoglobulin thermal unfolding and aggregation are derived from FTIR and UV Resonance Raman (UVRR) investigations. We propose an in situ and in real-time approach that thanks to the identification of specific s…
View article: Vibrational Spectroscopy Identifies Myocardial Chemical Modifications in Heart Failure with Preserved Ejection Fraction
Vibrational Spectroscopy Identifies Myocardial Chemical Modifications in Heart Failure with Preserved Ejection Fraction Open
Background Vibrational spectroscopy can be a valuable tool to monitor the markers of cardiovascular diseases. In the present work, we explored the vibrational spectroscopy characteristics of the cardiac tissue in an experimental model of h…
View article: FTIR Analysis of Renal Tissue for the Assessment of Hypertensive Organ Damage and proANP31–67 Treatment
FTIR Analysis of Renal Tissue for the Assessment of Hypertensive Organ Damage and proANP31–67 Treatment Open
The kidneys are one of the main end organs targeted by hypertensive disease. Although the central role of the kidneys in the regulation of high blood pressure has been long recognized, the detailed mechanisms behind the pathophysiology of …
View article: Polymorphism and Ligand Binding Modulate Fast Dynamics of Human Telomeric G-Quadruplexes
Polymorphism and Ligand Binding Modulate Fast Dynamics of Human Telomeric G-Quadruplexes Open
Telomeric G-quadruplexes (G4s) are promising targets in the design and development of anticancer drugs. Their actual topology depends on several factors, resulting in structural polymorphism. In this study, we investigate how the fast dyna…
View article: Microscale mechanochemical characterization of drying oil films by in situ correlative Brillouin and Raman spectroscopy
Microscale mechanochemical characterization of drying oil films by in situ correlative Brillouin and Raman spectroscopy Open
Correlative Brillouin and Raman microspectroscopy (BRaMS) is applied for the in situ monitoring of the chemical and physical changes of linseed oil during polymerization. The viscoelastic properties of the drying oil throughout the phase t…
View article: Interfacial Water and Microheterogeneity in Aqueous Solutions of Ionic Liquids
Interfacial Water and Microheterogeneity in Aqueous Solutions of Ionic Liquids Open
In this work, aqueous solutions of two prototypical ionic liquids (ILs), [BMIM][BF4] and [BMIM][TfO], were investigated by UV Raman spectroscopy and small-angle neutron scattering (SANS) in the water-rich domain, where strong heterogeneiti…
View article: Hydration Dynamics of Model Peptides with Different Hydrophobic Character
Hydration Dynamics of Model Peptides with Different Hydrophobic Character Open
The multi-scale dynamics of aqueous solutions of the hydrophilic peptide N-acetyl-glycine-methylamide (NAGMA) have been investigated through extended frequency-range depolarized light scattering (EDLS), which enables the broad-band detecti…
View article: Role of fast dynamics in the complexation of G-quadruplexes with small molecules
Role of fast dynamics in the complexation of G-quadruplexes with small molecules Open
Schematic representation of our energy landscape model to describe the fast dynamics of human telomeric G-quadruplex and its change upon ligand complexation.
View article: Protein Hydration in a Bioprotecting Mixture
Protein Hydration in a Bioprotecting Mixture Open
We combined broad-band depolarized light scattering and infrared spectroscopies to study the properties of hydration water in a lysozyme-trehalose aqueous solution, where trehalose is present above the concentration threshold (30% in weigh…
View article: In Competition for Water: Hydrated Choline Chloride:Urea vs Choline Acetate:Urea Deep Eutectic Solvents
In Competition for Water: Hydrated Choline Chloride:Urea vs Choline Acetate:Urea Deep Eutectic Solvents Open
Unlike the archetypal deep eutectic solvent (DES) choline chloride:urea (ChCl:U), fundamental knowledge of the intermolecular network in choline acetate (ChOAc) DESs and how they change upon dilution is still missing. Here we jointly use U…
View article: Cardiac-chamber-specific Fingerprints in Heart Failure with Preserved Ejection Fraction. Early Detection of Pathological Conditions by FTIR and Raman Spectroscopic Techniques
Cardiac-chamber-specific Fingerprints in Heart Failure with Preserved Ejection Fraction. Early Detection of Pathological Conditions by FTIR and Raman Spectroscopic Techniques Open
Background The pathophysiology of heart failure with preserved ejection fraction (HFpEF) is a matter of investigation and its diagnosis remains challenging. Although the mechanisms that are responsible for the development of HFpEF are not …
View article: Amyloid Self-Assembly of Lysozyme in Self-Crowded Conditions: The Formation of a Protein Oligomer Hydrogel
Amyloid Self-Assembly of Lysozyme in Self-Crowded Conditions: The Formation of a Protein Oligomer Hydrogel Open
A method is designed to quickly form protein hydrogels, based on the self-assembly of highly concentrated lysozyme solutions in acidic conditions. Their properties can be easily modulated by selecting the curing temperature. Molecular insi…
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View article: Glioblastoma single-cell microRaman analysis under stress treatments
Glioblastoma single-cell microRaman analysis under stress treatments Open
Glioblastoma multiforme (GBM) is the most frequent malignant brain tumor characterized by highly heterogeneous subpopulations. In order to reveal the heterogeneous cell response, single cell analysis is an essential requirement. In this st…