The assembly of porphyrin systems in well-defined nanostructures: An update

G Magna, D Monti, C Di Natale, R Paolesse… - Molecules, 2019 - mdpi.com
The interest in assembling porphyrin derivatives is widespread and is accounted by the
impressive impact of these suprastructures of controlled size and shapes in many …

Recognition and sensing of chiral organic molecules by chiral porphyrinoids: a review

G Travagliante, M Gaeta, R Purrello, A D'Urso - Chemosensors, 2021 - mdpi.com
Porphyrinoids are extremely attractive for their electronic, optical, and coordination
properties as well as for their versatile substitution at meso/β-positions. All these features …

Chirality enhancement of porphyrin supramolecular assembly driven by a template preorganization effect

M Gaeta, D Raciti, R Randazzo… - Angewandte Chemie …, 2018 - Wiley Online Library
Cationic polylysine promotes, under neutral conditions, the spontaneous aggregation of
opposite charged ZnTPPS in water. Spectroscopic investigations evidence a different …

Controlling J-Aggregates formation and chirality induction through demetallation of a zinc (II) water soluble porphyrin

IG Occhiuto, MA Castriciano, M Trapani… - International Journal of …, 2020 - mdpi.com
Under acidic conditions and at high ionic strength, the zinc cation is removed from its metal
complex with 5, 10, 15, 20-tetrakis (4-sulfonatophenyl) porphyrin (TPPS4) thus leading to the …

Enantiomeric Resolution and Enantiomer Isolation of H2TPPS4 J‐Aggregate from Aqueous Solution Is Enabled by Vortexes

M Gaeta, R Randazzo, C Costa… - … A European Journal, 2023 - Wiley Online Library
Protonated achiral H2TPPS4 spontaneously self‐arranges at acids pH and high ionic
strength to build mesoscopic J‐aggregates that are intrinsically chiral. According to the …

Carbon dots surface chemistry drives fluorescent properties: new tools to distinguish isobaric peptides

A Distefano, F Calì, M Gaeta, N Tuccitto… - Journal of Colloid and …, 2022 - Elsevier
The possibility to design rational carbon dots surface functionalization for specific analytical
and bioanalytical applications is hindered by the lack of a full knowledge of the surface …

Rational Design of Chiral Nanohelices from Self-Assembly of Meso-tetrakis (4-Carboxyphenyl) Porphyrin-Amino Acid Conjugates

X Yang, Y Shen, J Liu, Y Wang, W Qi, R Su, Z He - Langmuir, 2021 - ACS Publications
In this article, meso-tetrakis (4-carboxyphenyl) porphyrins modified with different amino
acids were designed, synthesized, and researched. The chiral self-assembly behavior of …

Chirogenesis in Zinc Porphyrins: Theoretical Evaluation of Electronic Transitions, Controlling Structural Factors and Axial Ligation

I Osadchuk, R Aav, V Borovkov, E Clot - ChemPhysChem, 2021 - Wiley Online Library
In the present work, sixteen different zinc porphyrins (possessing different meso
substituents) with and without a chiral guest were modelled using DFT and TD‐DFT …

Supramolecular Chirality in Porphyrin Self-Assembly Systems in Aqueous Solution

G Travagliante, M Gaeta, R Purrello… - Current Organic …, 2022 - benthamdirect.com
The self-assembly process appears as a powerful and attractive strategy for constructing
complex supramolecules by the spontaneous organization of appropriate building blocks. In …

Self‐Assembled Chiral Film Based on Melanin Polymers

M Gaeta, G Travagliante, M Barcellona, ME Fragalà… - Chirality, 2024 - Wiley Online Library
Chirality plays a fundamental role in natural phenomena, yet its manifestation on solid
surfaces remains relatively unexplored. In this study, we investigate the formation of …