João Carlos Lima
YOU?
Author Swipe
View article: Polysaccharides in cryopreservation: multidimensional systematic review of extremophilic traits and the role of selective pressure in structure-function relationships
Polysaccharides in cryopreservation: multidimensional systematic review of extremophilic traits and the role of selective pressure in structure-function relationships Open
Cryopreservation of biological matter has accumulated apex biomedical interest for its potential in elongating the shelf-life of biological matter in a state of suspended animation. In Nature, extremophilic microorganisms have an outstandi…
View article: Microplate-in-a-Box: thermophysical exploration of cold storage high-throughput microplate designs for enhanced rate control in cryopreservation
Microplate-in-a-Box: thermophysical exploration of cold storage high-throughput microplate designs for enhanced rate control in cryopreservation Open
View article: Elucidation of the polysaccharide cryoprotection mechanism: kinetic inhibition, thermodynamic Gibbs-Thomson modulation and volumetric confinement
Elucidation of the polysaccharide cryoprotection mechanism: kinetic inhibition, thermodynamic Gibbs-Thomson modulation and volumetric confinement Open
The emergence of gel-forming, ice-binding polysaccharides as potential candidates in cryobiology and the discovery of new structure–function relationships has fueled a knowledge convergence effort. Several polysaccharides have shown strong…
View article: Tosylation-mediated uronic acid knockout from cryoprotective FucoPol revealed the importance of polyanionicity in ice growth disruption
Tosylation-mediated uronic acid knockout from cryoprotective FucoPol revealed the importance of polyanionicity in ice growth disruption Open
Negative formal charge is a critical structural trait for the expression of cryoprotection due to its strong ice growth disruption at the growing ice facet. Polyanionic polysaccharides containing uronic acids (UA) in their structure are th…
View article: Polysaccharides in cryopreservation: multidimensional systematic review of extremophilic traits and the role of selective pressure in structure-function relationships
Polysaccharides in cryopreservation: multidimensional systematic review of extremophilic traits and the role of selective pressure in structure-function relationships Open
Cryopreservation of biological matter has accumulated apex biomedical interest for its potential in elongating the shelf-life of biological matter in a state of suspended animation. In Nature, extremophilic microorganisms have an outstandi…
View article: Overdetermined elliptic problems on model Riemannian manifolds
Overdetermined elliptic problems on model Riemannian manifolds Open
We establish a rigidity theorem for annular sector-like domains in the setting of overdetermined elliptic problems on model Riemannian manifolds. Specifically, if such a domain admits a solution to the inhomogeneous Helmholtz equation sati…
View article: Improving Speech Emotion Recognition Through Cross Modal Attention Alignment and Balanced Stacking Model
Improving Speech Emotion Recognition Through Cross Modal Attention Alignment and Balanced Stacking Model Open
Emotion plays a fundamental role in human interaction, and therefore systems capable of identifying emotions in speech are crucial in the context of human-computer interaction. Speech emotion recognition (SER) is a challenging problem, par…
View article: Rigidity of Serrin-type problems via integral identities
Rigidity of Serrin-type problems via integral identities Open
In this short note, we deal with Serrin-type problems in Riemannian manifolds. Firstly, we provide a Soap Bubble type theorem and rigidity results. In another direction, we obtain a rigidity result addressed to annular regions in Einstein …
View article: Mechanistic insights into Staphylococcus aureus IsdG-Ferrochelatase interactions: A key to understanding haem homeostasis in pathogens
Mechanistic insights into Staphylococcus aureus IsdG-Ferrochelatase interactions: A key to understanding haem homeostasis in pathogens Open
View article: Gold(I) Complexes with Bulky Phosphanes: A Dual Approach to Triplet Harvesting and Hydroamination Catalysis
Gold(I) Complexes with Bulky Phosphanes: A Dual Approach to Triplet Harvesting and Hydroamination Catalysis Open
Two families of mononuclear gold(I) complexes featuring Au-chromophore units, with chromophores being carbazole (a), phenanthrene (b), or dibenzofuran (c), were synthesized. The Au(I) atoms are coordinated to two phosp…
View article: Profiting from light-induced metal-to-metal intramolecular electron transfer: towards highly efficient heterodinuclear photosensitizers for photodynamic therapy
Profiting from light-induced metal-to-metal intramolecular electron transfer: towards highly efficient heterodinuclear photosensitizers for photodynamic therapy Open
This study introduces a novel Ruthenium( ii )–Platinum( ii ) bimetallic conjugate that undergoes intramolecular electron transfer upon light exposure, producing singlet oxygen with higher efficiency than the separate metal complexes.
View article: Tuning luminescence in gold( <scp>i</scp> )-phosphine complexes: structural, photophysical, and theoretical insights
Tuning luminescence in gold( <span>i</span> )-phosphine complexes: structural, photophysical, and theoretical insights Open
Experimental and theoretical insights reveal how chromophore positioning and non-covalent interactions in gold( i )-phosphine complexes influence emission properties, enabling the design of advanced materials.
View article: Rhenium_tricarbonyl_+_L1
Rhenium_tricarbonyl_+_L1 Open
View article: The impressive colors of the bis-aminostyrylbenzopyrylium system. Evidence by stopped-flow for the B4 formation at pH>13
The impressive colors of the bis-aminostyrylbenzopyrylium system. Evidence by stopped-flow for the B4 formation at pH>13 Open
Funding Information: This work was supported by the Associate Laboratory for Green Chemistry - LAQV (UIDB/50006/2020) which is financed by national funds from FCT/MCTES and by the AgriFood XXI I&D&I project (NORTE-01-0145-FEDER-000041) co-…
View article: Synthesis of inverse push-pull coumarin dyes and their application as solvatochromic probes and labelling agents for bacterial cell membranes
Synthesis of inverse push-pull coumarin dyes and their application as solvatochromic probes and labelling agents for bacterial cell membranes Open
Coumarin derivatives have been widely employed across a great number of applications, such as laser dyes, bioimaging or chemossensors, owing to their strong fluorescence and high-quantum yields. These properties are highly tunable through …
View article: An odorant-binding protein based electrical sensor to detect volatile organic compounds
An odorant-binding protein based electrical sensor to detect volatile organic compounds Open
Artificial olfaction systems, such as electronic nose devices (ENs), can be used in various fields, from healthcare to food industry and the environmental sector. ENs consist of an array of sensors composed of different sensing materials. …
View article: Comparing the Chemistry of Malvidin-3-<i>O</i>-glucoside and Malvidin-3,5-<i>O</i>-diglucoside Networks: A Holistic Approach to the Acidic and Basic Paradigms with Implications in Biological Studies
Comparing the Chemistry of Malvidin-3-<i>O</i>-glucoside and Malvidin-3,5-<i>O</i>-diglucoside Networks: A Holistic Approach to the Acidic and Basic Paradigms with Implications in Biological Studies Open
The kinetics, thermodynamics, and degradation of malvidin mono- and diglucosides were studied following a holistic approach by extending to the basic medium. In acidic conditions, the reversible kinetics of the flavylium cation toward the …
View article: Solar light CO2 photoreduction enhancement by mononuclear rhenium(I) complexes: Characterization and mechanistic insights
Solar light CO2 photoreduction enhancement by mononuclear rhenium(I) complexes: Characterization and mechanistic insights Open
The photocatalytic efficacy of a novel mononuclear rhenium(I) complex in CO2 reduction is remarkable, with a turnover number (TONCO) of 1517 in three hours, significantly outperforming previous Re(I) catalysts. This complex, synthesized vi…
View article: Acenaphthylene-Based Chromophores for Dye-Sensitized Solar Cells: Synthesis, Spectroscopic Properties, and Theoretical Calculations
Acenaphthylene-Based Chromophores for Dye-Sensitized Solar Cells: Synthesis, Spectroscopic Properties, and Theoretical Calculations Open
A set of acenaphthylene dyes with arylethynyl π-bridges was tested for dye-sensitized solar cells (DSSCs). Crucial steps for the extension of the conjugated system from the acenaphylene core involved Sonogashira coupling reactions. Phenyl,…
View article: Ir(III) Half-Sandwich Photosensitizers with a π-Expansive Ligand for Efficient Anticancer Photodynamic Therapy
Ir(III) Half-Sandwich Photosensitizers with a π-Expansive Ligand for Efficient Anticancer Photodynamic Therapy Open
One approach to reduce the side effects of chemotherapy in cancer treatment is photodynamic therapy (PDT), which allows spatiotemporal control of the cytotoxicity. We have used the strategy of coordinating π-expansive ligands to increase t…
View article: Mechanistic Insights Into Staphylococcus Aureus Isdg-Ferrochelatase Interactions: A Key to Understanding Haem Homeostasis in Pathogens
Mechanistic Insights Into Staphylococcus Aureus Isdg-Ferrochelatase Interactions: A Key to Understanding Haem Homeostasis in Pathogens Open
View article: Synthesis of Inverse Push-Pull Coumarin Dyes and Their Application as Solvatochromic Probes and Labelling Agents for Bacterial Cell Membranes
Synthesis of Inverse Push-Pull Coumarin Dyes and Their Application as Solvatochromic Probes and Labelling Agents for Bacterial Cell Membranes Open
View article: Fucose is an essential feature in cryoprotective polysaccharides
Fucose is an essential feature in cryoprotective polysaccharides Open
Biological cryopreservation often involves using a cryoprotective agent (CPA) to mitigate lethal physical stressors cells endure during freezing and thawing, but effective CPA concentrations are cytotoxic. Hence, natural polysaccharides ha…
View article: Exploring the impact of structural rigidification of amino-substituted bio-inspired flavylium dyes in DSSCs
Exploring the impact of structural rigidification of amino-substituted bio-inspired flavylium dyes in DSSCs Open
View article: Long-lived NIR emission in sulfur-doped zeolites due to the presence of [S3]2- clusters
Long-lived NIR emission in sulfur-doped zeolites due to the presence of [S3]2- clusters Open
The exploration of novel long-lived near-infrared (NIR) luminescent materials has attracted significant attention due to their applications in optical communications, anticounterfeiting, and bioimaging. However, these materials usually pre…
View article: CCDC 2193613: Experimental Crystal Structure Determination
CCDC 2193613: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193616: Experimental Crystal Structure Determination
CCDC 2193616: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193618: Experimental Crystal Structure Determination
CCDC 2193618: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193617: Experimental Crystal Structure Determination
CCDC 2193617: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193615: Experimental Crystal Structure Determination
CCDC 2193615: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …