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View article: Enhanced Adsorption of Pb(II) and Cd(II) by Activated Carbon Derived from Peach Stones for Efficient Water Decontamination
Enhanced Adsorption of Pb(II) and Cd(II) by Activated Carbon Derived from Peach Stones for Efficient Water Decontamination Open
This work employed peach stones as the precursor material for producing activated carbon (AC-PS). AC-PS was impregnated with H3PO4 and carbonized using a pyrolysis reactor under a reducing atmosphere. The surface area, average pore size, a…
View article: Recent Trends in Gelatin Electrospun Nanofibers: Advances in Fabrication, Functionalization, and Applications
Recent Trends in Gelatin Electrospun Nanofibers: Advances in Fabrication, Functionalization, and Applications Open
Bio-based nanofibers are gaining increasing attention in nanotechnology owing to their high surface area, interconnected porosity, and capacity to incorporate bioactive compounds. Among natural polymers, gelatin is particularly attractive …
View article: Bio-Based Nanofibers for Enzyme Immobilization: Advancing Voltammetric Biosensors Through Sustainable Materials
Bio-Based Nanofibers for Enzyme Immobilization: Advancing Voltammetric Biosensors Through Sustainable Materials Open
View article: Advancing biomedical analysis: Harnessing laser-induced graphene for next-gen of low-cost sensor technology
Advancing biomedical analysis: Harnessing laser-induced graphene for next-gen of low-cost sensor technology Open
View article: Speciation of arsenic in paddy field water by square wave cathodic stripping voltammetry using a hanging drop mercury electrode
Speciation of arsenic in paddy field water by square wave cathodic stripping voltammetry using a hanging drop mercury electrode Open
Arsenic is found widely in nature, with mining and the use of pesticides in agriculture being the leading carriers of this metalloid. Considering the harm caused by As in cultivation media, a simple and sensitive method for arsenic speciat…
View article: DILEMAS ÉTICOS NA FISIOTERAPIA
DILEMAS ÉTICOS NA FISIOTERAPIA Open
Objetivo: tem o objetivo de mostrar e analisar as questões éticas que envolvem alguns dilemas éticos que o Fisioterapeuta enfrenta na sua prática clínica diária. Alexandre de Carvalho Santos Metodologia: revisão ou levantamento bibliográfi…
View article: Electrosprayed Chitosan Nanospheres-Based Films: Evaluating the Effect of Molecular Weight on Physicochemical Properties
Electrosprayed Chitosan Nanospheres-Based Films: Evaluating the Effect of Molecular Weight on Physicochemical Properties Open
This study explores the effect of chitosan molecular weight on the formation of chitosan-based films by electrospraying process. The oxidative pathway was employed in chitosan with 220.1 kDa to obtain samples with 124.5 and 52.7 kDa. Both …
View article: The effectiveness of natural indigo/kaolinite composite powder in the development of latent fingermarks
The effectiveness of natural indigo/kaolinite composite powder in the development of latent fingermarks Open
Background Composites are materials that have multiple phases and have attracted much attention as they are able to improve physical and chemical properties of an isolated material. In this sense, these composites are commonly used as key …
View article: <i>In situ</i> electrochemical monitoring of signaling transduction in plants. Implications on phylogenetic aspects of defense response
<i>In situ</i> electrochemical monitoring of signaling transduction in plants. Implications on phylogenetic aspects of defense response Open
In situ recording of the voltammetric response of leaves of several Asparagales, Caryophyllales, and Saxifragales plants at platinum and graphite microelectrodes is described. These provide information on the temporal evolution of H 2 O 2 …
View article: Voltammetric method applied to speciation of As(III) and As(V) in paddy field water
Voltammetric method applied to speciation of As(III) and As(V) in paddy field water Open
A simple and sensitive method for arsenic speciation in paddy field water samples was developed by square wave cathodic stripping voltammetry using hanging mercury drop electrode. Due to the low solubility of arsenic in the mercury, this e…
View article: Dynamics of Air Pollutants and the Controlled Distancing Model of Rio Grande do Sul for Covid-19 Pandemic Contro
Dynamics of Air Pollutants and the Controlled Distancing Model of Rio Grande do Sul for Covid-19 Pandemic Contro Open
Studies around the world have revealed environmental changes during quarantine periods and social distancing imposed by local governments to control the spread of the Sars-Cov-2 virus, the etiological agent of Covid-19.Among these changes,…
View article: In situ electrochemical monitoring of ROS influence in the dynamics of ascorbic acid and polyphenolic compounds in apple fruits
In situ electrochemical monitoring of ROS influence in the dynamics of ascorbic acid and polyphenolic compounds in apple fruits Open
View article: Sterols in red macroalgae from antarctica: extraction and quantification by Gas Chromatography–Mass spectrometry
Sterols in red macroalgae from antarctica: extraction and quantification by Gas Chromatography–Mass spectrometry Open
View article: Avaliação numérico-experimental do resfriamento de ambientes por um sistema ciclônico-psicrométrico
Avaliação numérico-experimental do resfriamento de ambientes por um sistema ciclônico-psicrométrico Open
View article: Phaeophyceae and rhodophyceae macroalgae from the Antarctic: A source of selenium
Phaeophyceae and rhodophyceae macroalgae from the Antarctic: A source of selenium Open
View article: Chemically modified electrode based on dihexadecyl hydrogen phosphate and carbonaceous materials: improvement of analytical and electrochemical features applied to uranium determination
Chemically modified electrode based on dihexadecyl hydrogen phosphate and carbonaceous materials: improvement of analytical and electrochemical features applied to uranium determination Open
View article: Cation and anion electrochemically assisted solid-state transformations of malachite green
Cation and anion electrochemically assisted solid-state transformations of malachite green Open
The thermochemistry and nanoscopic transformations in the cation- and anion-assisted solid state electrochemistry of malachite green are studied.
View article: Voltammetric Detection of Lead Using Chitosan-tripolyphosphate Crosslinked Electrode
Voltammetric Detection of Lead Using Chitosan-tripolyphosphate Crosslinked Electrode Open
View article: Direct Determination of Zn, Cd, Pb and Cu in Wine by Differential Pulse Anodic Stripping Voltammetry
Direct Determination of Zn, Cd, Pb and Cu in Wine by Differential Pulse Anodic Stripping Voltammetry Open
Metals in wine can originate from natural and anthropogenic sources and their concentrations have significant effects on wine proprieties as well in its conservation. In this work, direct and simultaneous determinations of Zn, Cd, Pb and C…
View article: Systematic evaluation of sample preparation method for simultaneous voltammetric determination of Zn, Cd, Pb, and Cu in macroalgae
Systematic evaluation of sample preparation method for simultaneous voltammetric determination of Zn, Cd, Pb, and Cu in macroalgae Open
View article: Extraction of sterols in brown macroalgae from Antarctica and their identification by liquid chromatography coupled with tandem mass spectrometry
Extraction of sterols in brown macroalgae from Antarctica and their identification by liquid chromatography coupled with tandem mass spectrometry Open