João Pires
YOU?
Author Swipe
View article: From Rio de Janeiro to Colombia, where the state failed, organized crime acted: critical analysis of the actions of parallel states in needy communities
From Rio de Janeiro to Colombia, where the state failed, organized crime acted: critical analysis of the actions of parallel states in needy communities Open
This critical-comparative study aims to analyze the historical development of the formation of the so-called "parallel states" concerning the criminal factions involved in drug trafficking in Rio de Janeiro, specifically the "Comando Verme…
View article: Ultra‐Microporous Fe‐MOF with Prolonged NO Delivery in Biological Media for Therapeutic Application
Ultra‐Microporous Fe‐MOF with Prolonged NO Delivery in Biological Media for Therapeutic Application Open
Nitric oxide (NO), a key element in the regulation of essential biological mechanisms, presents huge potential as therapeutic agent in the treatment and prevention of chronic diseases. Metal‐organic frameworks (MOFs) with open metal sites …
View article: Electrosynthesis of Iron-Based Metal–Organic Materials with Bis(salicylic acid) Derivatives
Electrosynthesis of Iron-Based Metal–Organic Materials with Bis(salicylic acid) Derivatives Open
This study examines the electrosynthesis of novel iron-organic films via cathodic electrodeposition using cyclic voltammetry to establish suitable deposition potentials for two different organic linkers: 2,5-dihydroxyterephthalic acid (DOB…
View article: Halogen-Decorated Metal–Organic Frameworks for Efficient and Selective CO<sub>2</sub> Capture, Separation, and Chemical Fixation with Epoxides under Mild Conditions
Halogen-Decorated Metal–Organic Frameworks for Efficient and Selective CO<sub>2</sub> Capture, Separation, and Chemical Fixation with Epoxides under Mild Conditions Open
In the present work, three novel halogen-appended cadmium(II) metal-organic frameworks [Cd2(L1)2(4,4'-Bipy)2]n·4n(DMF) (1), [Cd2(L2)2(4,4'-Bipy)2]n·3n(DMF) (2), and [Cd(L3)(4,4'-Bipy)]n·2n(DMF) (3) [where L1 = 5-{(4-bromobenzyl)amino}isoph…
View article: Simultaneous Thermogravimetry-Differential Scanning Calorimetry (TG-DSC) in Nanoporous Materials: Examples of Data for Zeolites, Metal–Organic Frameworks (MOFs), Clay Based and Mesostructured Solids
Simultaneous Thermogravimetry-Differential Scanning Calorimetry (TG-DSC) in Nanoporous Materials: Examples of Data for Zeolites, Metal–Organic Frameworks (MOFs), Clay Based and Mesostructured Solids Open
This article presents and discusses the results of a compilation of experimental results of thermogravimetry with simultaneous differential scanning calorimetry (TG-DSC), obtained in the same apparatus and under similar experimental condit…
View article: Nanoporous materials as carriers of hydrogen peroxide vapour: A new bio-decontamination technology
Nanoporous materials as carriers of hydrogen peroxide vapour: A new bio-decontamination technology Open
High-level bio-decontamination, which involves reducing microorganisms by 99.9999%, is essential in preventing Hospital Acquired Infections and controlling pandemics. This study demonstrates that nanoporous materials, which can retain mole…
View article: Nanoporous Materials as Carriers of Hydrogen Peroxide Vapour: a New Bio-Decontamination Technology
Nanoporous Materials as Carriers of Hydrogen Peroxide Vapour: a New Bio-Decontamination Technology Open
High-level bio-decontamination, which involves reducing microorganisms by 99.9999%, is essential in preventing Hospital Acquired Infections and controlling pandemics. This study demonstrates that nanoporous materials, which can retain mole…
View article: Ultra-Microporous Fe-MOF with Exceptional NO Delivery Kinetics in Biological Media for Therapeutic Application
Ultra-Microporous Fe-MOF with Exceptional NO Delivery Kinetics in Biological Media for Therapeutic Application Open
Nitric oxide (NO), as a key element in the regulation of essential biological mechanisms, presents huge potential as a therapeutic agent in the treatment and prevention of chronic diseases. Metal-organic frameworks (MOFs) with open metal s…
View article: Novel Carbonaceous Adsorbents Prepared from Glycerin Waste and Dopamine for Gas Separation
Novel Carbonaceous Adsorbents Prepared from Glycerin Waste and Dopamine for Gas Separation Open
Glycerin, a low-valued waste from biodiesel production, and dopamine were used as precursors for adsorbent materials. The study is centered on the preparation and application of microporous activated carbon as adsorbent materials in the se…
View article: Evaluation of the Pilot Wastewater Surveillance for SARS-CoV-2 in Norway, June 2022 – March 2023
Evaluation of the Pilot Wastewater Surveillance for SARS-CoV-2 in Norway, June 2022 – March 2023 Open
Background During the COVID-19 pandemic, wastewater-based surveillance gained great international interest as an additional tool to monitor SARS-CoV-2. In autumn 2021, the Norwegian Institute of Public Health decided to pilot a national wa…
View article: Evaluation of an Imine-Linked Polymer Organic Framework for Storage and Release of H2S and NO
Evaluation of an Imine-Linked Polymer Organic Framework for Storage and Release of H2S and NO Open
Hydrogen sulfide (H2S) and nitric oxide (NO) are especially known as toxic and polluting gases, yet they are also endogenously produced and play key roles in numerous biological processes. These two opposing aspects of the gases highlight …
View article: Efficient adsorption of carbon dioxide and methane on activated carbon prepared from glycerol with potassium acetate
Efficient adsorption of carbon dioxide and methane on activated carbon prepared from glycerol with potassium acetate Open
In the context of global warming and the energy crisis, emissions to the atmosphere of greenhouse gases such as carbon dioxide (CO 2 ) and methane (CH 4 ) should be reduced, and biomethane from landfill biogas should be recycled. For this,…
View article: Evaluation of the H2S and NO adsorption and release capacity of PEG-zeolites and PEG-titanosilicates composites
Evaluation of the H2S and NO adsorption and release capacity of PEG-zeolites and PEG-titanosilicates composites Open
The exogeneous delivery of hydrogen sulfide (H2S) and nitric oxide (NO) has proven to have several therapeutic effects. However, the development of porous materials to be used as drug carries, specifically as carriers of gaseous molecules,…
View article: Waste-Glycerol as a Precursor for Carbon Materials: An Overview
Waste-Glycerol as a Precursor for Carbon Materials: An Overview Open
Biodiesel is produced by the transesterification of animal fats and vegetable oils, producing a large amount of glycerol as a by-product. The crude glycerol cannot be used in the food or pharmaceutical industries. It is crucial to transfor…
View article: Microporous Volumes from Nitrogen Adsorption at 77 K: When to Use a Different Standard Isotherm?
Microporous Volumes from Nitrogen Adsorption at 77 K: When to Use a Different Standard Isotherm? Open
This work reviews the application of various standard isotherms to evaluate the micropore volume in a range of microporous materials. The selected materials have quite different surface chemistry, and are relevant due to their properties f…
View article: Chitosan Biocomposites for the Adsorption and Release of H2S
Chitosan Biocomposites for the Adsorption and Release of H2S Open
The search for H2S donors has been increasing due to the multiple therapeutic effects of the gas. However, the use of nanoporous materials has not been investigated despite their potential. Zeolites and activated carbons are known as good …
View article: Chitosan-based biocomposites as H&lt;sub&gt;2&lt;/sub&gt;S vehicules
Chitosan-based biocomposites as H<sub>2</sub>S vehicules Open
The design of vehicles to target deliver drugs at a controlled rate, and a predefined time is an emerging field as they may increase the effectiveness of treatments. Hydrogen sulphide (H2S) is commonly known due to its toxicity and rotten …
View article: A Comparison of Different Approaches to Quantify Nitric Oxide Release from NO-Releasing Materials in Relevant Biological Media
A Comparison of Different Approaches to Quantify Nitric Oxide Release from NO-Releasing Materials in Relevant Biological Media Open
The development of solid materials that deliver nitric oxide (NO) are of interest for several therapeutic applications. Nevertheless, due to NO’s reactive nature, rapid diffusion and short half-life, reporting their NO delivery characteris…
View article: Tuning Cellular Biological Functions Through the Controlled Release of NO from a Porous Ti‐MOF
Tuning Cellular Biological Functions Through the Controlled Release of NO from a Porous Ti‐MOF Open
Materials for the controlled release of nitric oxide (NO) are of interest for therapeutic applications. However, to date, many suffer from toxicity and stability issues, as well as poor performance. Herein, we propose a new NO adsorption/r…
View article: Mesoporous Silica vs. Organosilica Composites to Desulfurize Diesel
Mesoporous Silica vs. Organosilica Composites to Desulfurize Diesel Open
The monolacunary Keggin-type [PW11O39]7- (PW11) heteropolyanion was immobilized on porous framework of mesoporous silicas, namely SBA-15 and an ethylene-bridged periodic mesoporous organosilica (PMOE). The supports were functionalized with…
View article: Study of Short-Chain Alcohol and Alcohol–Water Adsorption in MEL and MFI Zeolites
Study of Short-Chain Alcohol and Alcohol–Water Adsorption in MEL and MFI Zeolites Open
In this paper, we present a comparative study of the adsorption behavior of short chain alcohols (pure and in aqueous solution) into silicalite-1 (MFI-type zeolite) and silicalite-2 (MEL-type zeolite). For quite some time, silicalite-1 has…
View article: Metal-Organic Frameworks for Cultural Heritage Preservation: The Case of Acetic Acid Removal
Metal-Organic Frameworks for Cultural Heritage Preservation: The Case of Acetic Acid Removal Open
The removal of low concentrations of acetic acid from indoor air at museums poses serious preservation problems that the current adsorbents cannot easily address owing to their poor affinity for acetic acid and/or their low adsorption sele…
View article: Monolithic porous carbon materials prepared from polyurethane foam templates
Monolithic porous carbon materials prepared from polyurethane foam templates Open
Monolithic carbon foams with hierarchical porosity were prepared from polyurethane templates and resol precursors. Mesoporosity was achieved through the use of soft templating with surfactant Pluronic F127, and macroporosity from the polyu…