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Defense

Master Thesis – Gabriel Marques

  • Post author:PBarradas
  • Post published:February 29, 2024
  • Post category:Defense
  • Post comments:0 Comments

Gabriel Marques has completed his master’s degree in forensic chemistry, culminating in a thesis titled ‘Desenvolvimento de métodos de deteção seletiva de explosives através de sondas fluorescenctes dispersas em membranas…

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Master Thesis – Carla Gomes

  • Post author:PBarradas
  • Post published:September 15, 2023
  • Post category:Defense
  • Post comments:0 Comments

Today, Carla Gomes has achieved the title of master in Chemistry with the presentation of her thesis dissertation titled “Caraterização de diferentes uísques com base em técnicas fluorescentes resolvidas temporalmente…

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Master Thesis – Paulo Barradas

  • Post author:PBarradas
  • Post published:September 11, 2023
  • Post category:Defense
  • Post comments:0 Comments

Congratulations to Paulo on achieving the title of master in Chemistry with his thesis dissertation titled “The chemistry and photochemistry of chitosan randomly labeled polymers and cationic Ladder-type polymers containing…

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Recent Posts

  • Book Chapter – Aggregation-Induced Emission: From Small Molecules to Polymers—Historical Background, Mechanisms and Photophysics
  • Master Thesis – Gabriel Marques
  • Poster – Chemistry of the first Portuguese postage stamps
  • Master Thesis – Carla Gomes
  • Master Thesis – Paulo Barradas

Recent Publications

233 entries « ‹ 1 of 78 › »

2024

dos Santos, D. N. S.; Naskar, N.; Delgado-Pinar, E.; Reess, K.; de Melo, J. S. Seixas; Rueck, A.

Bromine indirubin FLIM/PLIM sensors to measure oxygen in normoxic and hypoxic PDT conditions Journal Article

In: Photodiagnosis and Photodynamic Therapy, vol. 45, 2024, ISSN: 1572-1000.

Links

@article{dosSantos2024,
title = {Bromine indirubin FLIM/PLIM sensors to measure oxygen in normoxic and hypoxic PDT conditions},
author = {D.N.S. dos Santos and N. Naskar and E. Delgado-Pinar and K. Reess and J.S. Seixas de Melo and A. Rueck},
doi = {10.1016/j.pdpdt.2024.103964},
issn = {1572-1000},
year = {2024},
date = {2024-02-00},
journal = {Photodiagnosis and Photodynamic Therapy},
volume = {45},
publisher = {Elsevier BV},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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  • doi:10.1016/j.pdpdt.2024.103964

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Barradas, Paulo D. Nunes; Murtinho, Dina; de Melo, J. Sérgio Seixas

Chitosan polymers randomly labeled with pyrene: synthesis, photophysics, and selective quenching by metal cations and anions Journal Article

In: Journal of Molecular Liquids, vol. 396, 2024, ISSN: 0167-7322.

Links

@article{NunesBarradas2024,
title = {Chitosan polymers randomly labeled with pyrene: synthesis, photophysics, and selective quenching by metal cations and anions},
author = {Paulo D. Nunes Barradas and Dina Murtinho and J. Sérgio Seixas de Melo},
doi = {10.1016/j.molliq.2024.123982},
issn = {0167-7322},
year = {2024},
date = {2024-02-00},
journal = {Journal of Molecular Liquids},
volume = {396},
publisher = {Elsevier BV},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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  • doi:10.1016/j.molliq.2024.123982

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Cunha, Carla; Peixoto, Mariana; Paixão, José A.; Pineiro, Marta; de Melo, J. Sérgio Seixas

Tuning the AIE Properties of Di-tert-Butyl-diphenyldibenzofulvene Derivatives Journal Article

In: J. Phys. Chem. C, vol. 128, no. 3, pp. 1156–1164, 2024, ISSN: 1932-7455.

Links

@article{Cunha2024,
title = {Tuning the AIE Properties of Di-\textit{tert}-Butyl-diphenyldibenzofulvene Derivatives},
author = {Carla Cunha and Mariana Peixoto and José A. Paixão and Marta Pineiro and J. Sérgio Seixas de Melo},
doi = {10.1021/acs.jpcc.3c06436},
issn = {1932-7455},
year = {2024},
date = {2024-01-25},
journal = {J. Phys. Chem. C},
volume = {128},
number = {3},
pages = {1156--1164},
publisher = {American Chemical Society (ACS)},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

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  • doi:10.1021/acs.jpcc.3c06436

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233 entries « ‹ 1 of 78 › »

Who we are
The Photochemistry Group is a research group of Coimbra Chemistry Centre (CQC) and part of the Coimbra laser lab (CLL).

Contact
Sérgio Seixas de Melo
Office: +351 239 854 463
Email: sseixas@ci.uc.pt

Coimbra Chemistry Centre –  Faculdade de Ciências e Tecnologia da Universidade de Coimbra.
Rua Larga, 2, 3004-535 Coimbra, Portugal

Useful links
Coimbra Chemistry Centre (CQC)
Coimbra Laser lab (CLL)
FCTUC Chemistry department (DQ)

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Copyright PhotoChemistry Group@UC - Created by Paulo Barradas, 2023

Carla Cunha is a PhD student at the Laboratory of Photochemistry of the Department of Chemistry, University of Coimbra, under the supervision of Professor João Sérgio Seixas de Melo. Her research focuses mainly on the synthesis and photophysical characterization of new organic compounds and polymers or oligomers with different chromophoric core structures will be performed in order to obtain systems with improved luminescence efficiency for future practical applications such as in OLEDs or in chemical sensors. She is the author and co-author of 10 manuscripts. Her main areas of interest focus on Photochemistry, Physical Chemistry, and Computational Chemistry.

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Estudo fotoquímico de corantes históricos.

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Synthesis, characterization and performance evaluation of new materials.

Applications
Water soluble compounds for RFB applications

New materials for OPV and OLEDs

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Photophysics and photochemistry study of molecules of color applied to cultural heritage.

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Mariana has a degree in Medicinal Chemistry from the FCTUC, and a MSc in Chemistry, specialization in Advanced and Industrial Chemistry – Development and Strategy, by the same institution.

In the beginning of 2021, she started a collaboration with Prof. Dr. João Sérgio Seixas de Melo and with Ana Clara B. Rodrigues, through the HyLight Project, to develop the synthesis of AIEgens and their photophysical characterization.

She is currently a PhD student in Chemistry, with specialization in Organic Chemistry, for Development of Light-emitting molecules with AIE: from a sustainable synthesis to a comprehensive photophysical characterization.

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Simone Ferreira is a PhD student (Chemistry, Photochemistry branch) at the CQC/ISM, within the topic “Chemistry behind postage stamps”, and a senior technical officer of the Department of Chemistry.

She has been a team member in several research projects, mainly in the area of Photochemistry.

Most of her career was conducted in the industry, where she specialized in several analytical techniques, being at the same time Quality and Technical Manager of laboratories accredited by ISO/IEC 17025.

She is author and co-author of four publications in peer -reviewed journals and one book chapter. She presented several poster communications.

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Daniela has a background in Biomedical Engineering, having joined the Photochemistry group in September 2015.

Her PhD work focuses on the study of the photochemistry and photophysics of indirubin to understand its mechanisms of biological action.

Her scientific interests include photobiology and biomodulation, particularly photobiomodulation. She is currently in the writing phase of her PhD and works as a researcher in Dr. Angelika Rueck’s group at the University of Ulm, specializing in BioPhotonics and Metabolic FLIM.

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Paulo holds a Master’s degree in Chemistry and joined the Photochemistry group in September 2021.

He is currently pursuing his PhD in photochemistry, and his research is titled “Synthesis, photophysics, and photovoltaic applications of new Azaacenes and BAI derivatives as Singlet Fission Materials.”

His scientific interests encompass excited state kinetic systems and polymeric synthesis.

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