Ivano Gebhardt Rolf Gutz
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View article: Proving the Formation of Carbonic Acid Hemiesters Using Self-Assembled Monolayers and Electrochemistry
Proving the Formation of Carbonic Acid Hemiesters Using Self-Assembled Monolayers and Electrochemistry Open
This study demonstrates, for the first time, the formation of a hemiester of carbonic acid on self-assembled monolayers using voltammetric techniques and redox probes. A gold electrode (GE) was modified with 2-mercaptoethanol (ME) through …
View article: Handling electric connections in 3D-printed electrodes and sensors. Part II. Instrumentation
Handling electric connections in 3D-printed electrodes and sensors. Part II. Instrumentation Open
This study explores the integration of 3D-printed electrodes made from carbon black-poly(lactic acid) (CB-PLA) into electrochemical sensors, focusing on the challenges posed by the polymer/metal electrical contact resistance (ECR) and Ohmi…
View article: Handling electric connections in 3D-printed electrodes and sensors. Part I. Understanding and improving tracks and contacts
Handling electric connections in 3D-printed electrodes and sensors. Part I. Understanding and improving tracks and contacts Open
Voltammetric and amperometric sensors typically consist of three sections: an electroactive surface, an electrode substrate, and connection tracks or wires to a potentiostat or other electronic circuit. While the electrical resistance of m…
View article: Proving the Formation of Carbonic Acid Hemiesters Using Self-Assembled Monolayers and Electrochemistry
Proving the Formation of Carbonic Acid Hemiesters Using Self-Assembled Monolayers and Electrochemistry Open
This study demonstrates, for the first time, the formation of a hemiester of carbonic acid on self-assembled monolayers using voltammetric techniques and redox probes. A gold electrode (GE) was modified with 2-mercaptoethanol (ME) through …
View article: Rediscovering monoalkyl carbonates: a class of ubiquitous compounds
Rediscovering monoalkyl carbonates: a class of ubiquitous compounds Open
Monoalkyl carbonates (MACs) or, more broadly, hemiesters of carbonic acid (HECAs), constitute a class of compounds that are omnipresent in our lives, once formed by the reaction of carbon dioxide with alcohols. Despite their commonness, MA…
View article: Effectiveness of metal–EDTA-polluted water treatment and metal recovery at drop-casted films of TiO2 under UV-LED irradiation: A photoelectrochemical study
Effectiveness of metal–EDTA-polluted water treatment and metal recovery at drop-casted films of TiO2 under UV-LED irradiation: A photoelectrochemical study Open
EDTA is an important metal sequestering agent in industrial processes and household products, but also an emerging pollutant and a challenge for wastewater treatment due to its high resistance to biodegradation. Conventional strategies for…
View article: Combined Colorimetric and Electrochemical Measurement Paper-Based Device for Chemometric Proof-of-Concept Analysis of Cocaine Samples
Combined Colorimetric and Electrochemical Measurement Paper-Based Device for Chemometric Proof-of-Concept Analysis of Cocaine Samples Open
Cocaine (COC) is one of the most widely consumed illegal drugs around the world. Street COC is commonly adulterated with pharmaceutical compounds that mimic or intensify the COC's sensory effect. Adulteration is performed to increase the p…
View article: Exhaled breath acetone for predicting cardiac and overall mortality in chronic heart failure patients
Exhaled breath acetone for predicting cardiac and overall mortality in chronic heart failure patients Open
Aims Exhaled breath acetone (EBA) has been described as a new biomarker of heart failure (HF) diagnosis. EBA concentration increases according to severity of HF and is associated with poor prognosis, especially in acute decompensated HF. H…
View article: Integrated instrumental analysis teaching platform with smartphone-operated fluorometer
Integrated instrumental analysis teaching platform with smartphone-operated fluorometer Open
Schematic representation of the integrated teaching tool and its three fundamental aspects.
View article: Cover feature: Photochemical and photocatalytic degradation of 1‐propanol using UV/H<sub>2</sub>O<sub>2</sub>: Identification of malonate as byproduct
Cover feature: Photochemical and photocatalytic degradation of 1‐propanol using UV/H<sub>2</sub>O<sub>2</sub>: Identification of malonate as byproduct Open
DOI: 10.1002/elps.201900001 The cover picture shows the photochemical and photocatalytical oxidation of 1-propanol investigated by CE-C4D. A simple experimental set-up was used to irradiate 1-propanol in the presence of TiO2 and/or H2O2. P…
View article: Photochemical and photocatalytic degradation of 1‐propanol using UV/H<sub>2</sub>O<sub>2</sub>: Identification of malonate as byproduct
Photochemical and photocatalytic degradation of 1‐propanol using UV/H<sub>2</sub>O<sub>2</sub>: Identification of malonate as byproduct Open
1‐propanol is a primary alcohol extensively used in the pharmaceutical, chemical, and food industries. It has been also found as a contaminant in the atmosphere and is considered a model compound to mimic the behavior and fate of aliphatic…
View article: TiO2-MEDIATED PHOTOCATALYSIS AT THE NANOPARTICULATE STATE: REVIEW OF THE REACTIVITY BY THE TRAPPING CONCEPT AND SOME APPLICATIONS IN ANALYTICAL CHEMISTRY
TiO2-MEDIATED PHOTOCATALYSIS AT THE NANOPARTICULATE STATE: REVIEW OF THE REACTIVITY BY THE TRAPPING CONCEPT AND SOME APPLICATIONS IN ANALYTICAL CHEMISTRY Open
TiO2 has been used as a white pigment and studied since the first decades of the XX century for the undesirable chalking of outdoor paintings exposed to sunlight. Since the first report of Honda and Fujishima (1972) of the water splitting …
View article: DNA Adduct Formation in the Lungs and Brain of Rats Exposed to Low Concentrations of [<sup>13</sup>C<sub>2</sub>]-Acetaldehyde
DNA Adduct Formation in the Lungs and Brain of Rats Exposed to Low Concentrations of [<sup>13</sup>C<sub>2</sub>]-Acetaldehyde Open
Air pollution is a major environmental risk for human health. Acetaldehyde is present in tobacco smoke and vehicle exhaust. In this study, we show that [13C2]-acetaldehyde induces DNA modification with the formation of isotopically labeled…
View article: PHOTOELECTROCATALYSIS ON SEMICONDUCTORS: FROM THE FUNDAMENTALS TO ITS CONFORMATION AT THE NANOSCALE LEVEL
PHOTOELECTROCATALYSIS ON SEMICONDUCTORS: FROM THE FUNDAMENTALS TO ITS CONFORMATION AT THE NANOSCALE LEVEL Open
The science of semiconductors, essential in electronics, is pivotal also for the most active research fields of environmental science and engineering today - the development of solar energy conversions and advanced oxidation processes, exe…
View article: Chemical Analysis of Household Oxygen-Based Powdered Bleach: An Engaging Approach to Teaching Sampling of Heterogeneous Materials and Addressing Statistics
Chemical Analysis of Household Oxygen-Based Powdered Bleach: An Engaging Approach to Teaching Sampling of Heterogeneous Materials and Addressing Statistics Open
Crucial steps of a chemical analysis, such as sampling, determination, and statistical analysis of data, are addressed in a well-tested and stimulating laboratory activity that convincingly unveils the stratification of ingredients in a he…
View article: Online monitoring of electrocatalytic reactions of alcohols at platinum and gold electrodes in acidic, neutral and alkaline media by capillary electrophoresis with contactless conductivity detection (EC‐CE‐C<sup>4</sup>D)
Online monitoring of electrocatalytic reactions of alcohols at platinum and gold electrodes in acidic, neutral and alkaline media by capillary electrophoresis with contactless conductivity detection (EC‐CE‐C<sup>4</sup>D) Open
An EC‐CE‐C 4 D flow system was applied to the investigation of electrocatalytic processes by monitoring carboxylic acids formed during the electro‐oxidation at various potentials of primary alcohols (mixture of 1 mmol/L of ethanol, n‐propa…
View article: Impact of Exhaled Breath Acetone in the Prognosis of Patients with Heart Failure with Reduced Ejection Fraction (HFrEF). One Year of Clinical Follow-up
Impact of Exhaled Breath Acetone in the Prognosis of Patients with Heart Failure with Reduced Ejection Fraction (HFrEF). One Year of Clinical Follow-up Open
High EBA levels could be associated to poor prognosis in HFrEF patients.
View article: Analysis of Methanol in the Presence of Ethanol, Using a Hybrid Capillary Electrophoresis Device with Electrochemical Derivatization and Conductivity Detection
Analysis of Methanol in the Presence of Ethanol, Using a Hybrid Capillary Electrophoresis Device with Electrochemical Derivatization and Conductivity Detection Open
Concurrently with ethanol, many other compounds can be formed during the fermentation of grains and fruits. Among those, methanol is particularly important (because of its toxicity) and is typically formed at concentrations much lower than…