Fábio Furlan Ferreira
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View article: Influence of the Physicochemical and Microstructural Properties on the Insecticidal Efficacy of Diatomaceous Earth on the Poultry Pest <i>Alphitobius diaperinus</i>
Influence of the Physicochemical and Microstructural Properties on the Insecticidal Efficacy of Diatomaceous Earth on the Poultry Pest <i>Alphitobius diaperinus</i> Open
Different diatomaceous earth (DE) samples were studied to evaluate the influence of physicochemical and microstructural characteristics on insecticidal activity against Alphitobius diaperinus. The insecticidal efficacy study showed that DE…
View article: Crystal Structure of Melphalan Hydrochloride and Its Association with Caffeine Improves Its Antineoplastic Action
Crystal Structure of Melphalan Hydrochloride and Its Association with Caffeine Improves Its Antineoplastic Action Open
Melphalan hydrochloride (MEH) is a chemotherapy drug with antitumor activity, recognized for its classification as an alkylating agent. Over the past few decades, the drug has been administered to patients undergoing treatment for breast a…
View article: Synthesis, Characterization, and Toxicity Assessment of Superparamagnetic Iron Oxide Nanoparticles Coated with Antitumor Molecules
Synthesis, Characterization, and Toxicity Assessment of Superparamagnetic Iron Oxide Nanoparticles Coated with Antitumor Molecules Open
New definitions describe cancer as a condition where cells, transformed by natural selection, undergo uncontrolled proliferation. Currently, several available drugs for treating cancer present side effects and are nonselective, thus compli…
View article: Exploring the Conformational Effects of <i>N</i>- and <i>C</i>-Methylation of <i>N</i>-Acylhydrazones
Exploring the Conformational Effects of <i>N</i>- and <i>C</i>-Methylation of <i>N</i>-Acylhydrazones Open
N-Acylhydrazones (NAH) are privileged structures in chemistry and medicinal chemistry. In this study, we describe the conformational effects of N- and C-methylated N-acylhydrazone derivatives, combining theoretical and experimental data an…
View article: Triplet states nurture the long‐lived emission at room temperature of a chlorine‐containing tetraphenylimidazole derivative when aggregation occurs in water/acetonitrile mixtures
Triplet states nurture the long‐lived emission at room temperature of a chlorine‐containing tetraphenylimidazole derivative when aggregation occurs in water/acetonitrile mixtures Open
In recent years, there have been numerous reports on the synthesis and applications of 1,2,4,5‐tetraphenylimidazole (TEPI) derivatives, particularly due to the photophysical properties of such systems. However, the long‐lived emission beha…
View article: Spherulite-like Ni(II)(<scp>l</scp>-glutaminato·H<sub>2</sub>O)<sub>2</sub> Complex: Morphological Microstructure, DFT-Assisted Crystal Structure Determination, and Vibrational Analysis
Spherulite-like Ni(II)(<span>l</span>-glutaminato·H<sub>2</sub>O)<sub>2</sub> Complex: Morphological Microstructure, DFT-Assisted Crystal Structure Determination, and Vibrational Analysis Open
l-glutamine complexes with transition metals have already been reported in the literature, but there have been no studies on l-glutamine complexes with Ni2+. Here, the new polycrystalline spherulite-like Ni(II)(l-glutaminato·H2O)2 complex …
View article: Exploring the Conformational Effects of N- and C-Methylation of N-acylhydrazones
Exploring the Conformational Effects of N- and C-Methylation of N-acylhydrazones Open
N-acylhydrazones (NAH) are privileged structures in chemistry and medicinal chemistry. The alkylation of NAH can profoundly alter the structural properties of this subunit. In this study, we describe the conformational effects of N- and C-…
View article: Chirality-driven dimensionality and broadband emission in lead bromide perovskites
Chirality-driven dimensionality and broadband emission in lead bromide perovskites Open
Racemic mixtures drive dimensionality and induce broadband emission in lead bromide perovskites. Temperature-dependent optical and structural studies reveal that exciton dynamics are related to octahedral distortions and hydration effects.
View article: Pyrylazo Dye: A Novel Azo Dye Structure with Photoinduced Proton Release and Highlighted Photophysical Properties in Biological Media
Pyrylazo Dye: A Novel Azo Dye Structure with Photoinduced Proton Release and Highlighted Photophysical Properties in Biological Media Open
A straightforward method for synthesizing a stable, photoreactive, and fluorescent-probe azo dye molecule is presented, highlighting the influence of azo and pyrylium groups within the electronic structure of the novel dye. This compound, …
View article: Superparamagnetic nanoparticles as potential <i>drug delivery</i> systems for the treatment of Duchenne muscular dystrophy
Superparamagnetic nanoparticles as potential <i>drug delivery</i> systems for the treatment of Duchenne muscular dystrophy Open
This study aims to use superparamagnetic iron oxide nanoparticles (SPIONs), specifically magnetite (Fe 3 O 4 ), to deliver deflazacort (DFZ) and ibuprofen (IBU) to Duchenne muscular dystrophy-affected (DMD).
View article: Effects of Neutron Radiation on the Thermal Conductivity of Highly Oriented Pyrolitic Graphite
Effects of Neutron Radiation on the Thermal Conductivity of Highly Oriented Pyrolitic Graphite Open
Highly Ordered Pyrolytic Graphite (HOPG) has been extensively researched due to its chemical and physical properties that make it suitable for applications in several technologies. Its high thermal conductivity makes HOPG an excellent heat…
View article: One-shot World Models Using a Transformer Trained on a Synthetic Prior
One-shot World Models Using a Transformer Trained on a Synthetic Prior Open
A World Model is a compressed spatial and temporal representation of a real world environment that allows one to train an agent or execute planning methods. However, world models are typically trained on observations from the real world en…
View article: Direct Determination of POSS Cage Structure in a Self‐Assembled Ionic Bridged Silsesquioxane by Using the Total Pair Distribution Function G(<i>r</i>) and Density Functional Theory
Direct Determination of POSS Cage Structure in a Self‐Assembled Ionic Bridged Silsesquioxane by Using the Total Pair Distribution Function G(<i>r</i>) and Density Functional Theory Open
In the present study, both short‐range and long‐range structural features of an ionic bridged silsesquioxane, specifically one containing the 1,4‐diazoniabicyclo[2.2.2]octane chloride group (ISSQ), were elucidated. This ionic silsesquioxan…
View article: Preparation and Characterization of a Disilylated Naphthalenediimide Molecular Crystal: Perspectives for Organosilica Mesoporous Materials
Preparation and Characterization of a Disilylated Naphthalenediimide Molecular Crystal: Perspectives for Organosilica Mesoporous Materials Open
Naphthalenetetracarboxylic diimides (NDIs) are efficient electron acceptors due to their high electron affinity. They are applied in heterogeneous catalysis and organic electronics. In this work, we report, for the first time, the synthesi…
View article: Antitumor activity and selectivity of a unique nanostructured polyoxoniobate
Antitumor activity and selectivity of a unique nanostructured polyoxoniobate Open
In vitro and in vivo experiments were carried out to evaluate the activity and antitumor selectivity of new niobium oligomers. A polyoxoniobate (PONb) and its chemical structure linked to the methylene blue dye (PONb-MB) showed promising r…
View article: Green-chemistry synthesis and optical properties of lead-free Cs<sub>2</sub>AgSbCl<sub>6</sub> double perovskite by a mechanochemical method
Green-chemistry synthesis and optical properties of lead-free Cs<sub>2</sub>AgSbCl<sub>6</sub> double perovskite by a mechanochemical method Open
Cs 2 AgSbCl 6 double perovskite (DP) has been synthesized through many solid-state and solution routes.
View article: Antioxidant action of L-cysteine anchored on the surface of magnetite nanoparticles
Antioxidant action of L-cysteine anchored on the surface of magnetite nanoparticles Open
This study addresses the synthesis, characterization, and evaluation of L-Cysteine (L-Cys) molecules anchored on superparamagnetic iron oxide nanoparticles (SPIONs), mainly magnetite (Fe3O4), for potential drug delivery applications. Fe3O4…
View article: Self-trapped emissions in 2D lead-free halide perovskites driven by divalent spacer cations
Self-trapped emissions in 2D lead-free halide perovskites driven by divalent spacer cations Open
Investigation of sodium/indium-based 2D double perovskites with mono- and divalent organic spacers reveals significant optoelectronic impacts in a novel lead-free Dion–Jacobson phase due to octahedral distortions.
View article: CCDC 2261438: Experimental Crystal Structure Determination
CCDC 2261438: 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: Synthesis and Characterization of Two Novel Naphthalenediimide/Zinc Phosphonate Crystalline Materials Precipitated from Different Solvents
Synthesis and Characterization of Two Novel Naphthalenediimide/Zinc Phosphonate Crystalline Materials Precipitated from Different Solvents Open
Hybrid naphthalenediimide/zinc phosphonate materials (NDI/Zn) were prepared by mixing solutions of N,N'-bis(2-phosphonoethyl)-1,4,5,8-naphthalenediimide (PNDI) and zinc nitrate, resulting in the precipitation of the desired compounds. Samp…
View article: CCDC 2164962: Experimental Crystal Structure Determination
CCDC 2164962: 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 2115271: Experimental Crystal Structure Determination
CCDC 2115271: 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: Quick-Tune: Quickly Learning Which Pretrained Model to Finetune and How
Quick-Tune: Quickly Learning Which Pretrained Model to Finetune and How Open
With the ever-increasing number of pretrained models, machine learning practitioners are continuously faced with which pretrained model to use, and how to finetune it for a new dataset. In this paper, we propose a methodology that jointly …
View article: CCDC 2129519: Experimental Crystal Structure Determination
CCDC 2129519: 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 2129522: Experimental Crystal Structure Determination
CCDC 2129522: 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 2129520: Experimental Crystal Structure Determination
CCDC 2129520: 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 2129521: Experimental Crystal Structure Determination
CCDC 2129521: 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 …