Yolanda S. Hedberg
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View article: Optimizing Anti-Corrosive Properties of Polyester Powder Coatings Through Montmorillonite-Based Nanoclay Additive and Film Thickness
Optimizing Anti-Corrosive Properties of Polyester Powder Coatings Through Montmorillonite-Based Nanoclay Additive and Film Thickness Open
This research investigates the impact of incorporating montmorillonite-based nanoclay additives on the anti-corrosive properties of a polyester/triglycidyl isocyanurate (polyester/TGIC) powder coating on phosphated steel. The self-repairin…
View article: Aggregation, stabilization, and binding between bovine serum albumin and gold nanoparticles of varying sizes
Aggregation, stabilization, and binding between bovine serum albumin and gold nanoparticles of varying sizes Open
View article: Quasi-stable adsorption as a stepping stone to stable corrosion inhibition
Quasi-stable adsorption as a stepping stone to stable corrosion inhibition Open
View article: Revisiting the Vroman effect: Mechanisms of competitive protein exchange on surfaces
Revisiting the Vroman effect: Mechanisms of competitive protein exchange on surfaces Open
Exposing a solid surface to complex biological environments nearly instantly results in the formation of a layer of proteins on the surface. The composition of this adsorbed layer evolves over time-the Vroman effect describes the competiti…
View article: Analysis of N-Heterocyclic Carbenes and their Monolayers by Xray Photoelectron Spectroscopy: Peak-Fitting, Effects of Molecular Architecture and Impact of Possible Impurities
Analysis of N-Heterocyclic Carbenes and their Monolayers by Xray Photoelectron Spectroscopy: Peak-Fitting, Effects of Molecular Architecture and Impact of Possible Impurities Open
X-ray photoelectron spectroscopy (XPS) is a frequently employed technique for surface characterization, particularly useful in studying self-assembled monolayers (SAMs). Herein, we examine precursors and SAMs of N-heterocyclic carbenes (NH…
View article: Effect of Nanoparticle Size on Cysteine‐Gold Surface Interactions
Effect of Nanoparticle Size on Cysteine‐Gold Surface Interactions Open
Gold nanoparticles (AuNPs) are considered for biomedical applications, and their size influences their effectivity and stability in the human body. This study investigates the interactions between citrate‐stabilized AuNPs (5, 10, 15, and 2…
View article: A Method to Distinguish Chromium‐Tanned Leathers With Low and High Risks of Surface Hexavalent Chromium
A Method to Distinguish Chromium‐Tanned Leathers With Low and High Risks of Surface Hexavalent Chromium Open
Introduction Traces of hexavalent chromium, Cr(VI), are a major concern for skin contact with Cr‐tanned leather. Current extraction methods (ISO 17075‐1:2017) for Cr(VI) testing do not necessarily reflect the true potential of surface‐form…
View article: Serum protein albumin and chromium: Mechanistic insights into the interaction between ions, nanoparticles, and protein
Serum protein albumin and chromium: Mechanistic insights into the interaction between ions, nanoparticles, and protein Open
The interaction of human proteins and metal species, both ions and nanoparticles, is poorly understood despite their growing importance. These materials are the by-products of corrosion processes and are of relevance for food and drug manu…
View article: Chromium and cobalt in leather: A Danish market survey
Chromium and cobalt in leather: A Danish market survey Open
Introduction Leather has been a significant source of chromium (Cr) allergy in Denmark since the 1990s. More recently, cobalt (Co) allergy has been identified in leather as a source of allergic contact dermatitis. Objectives To measure Cr …
View article: Tribocorrosion and metal release from austenitic stainless steels 304 and 201 in simulated cassava food contact
Tribocorrosion and metal release from austenitic stainless steels 304 and 201 in simulated cassava food contact Open
Cassava is the third most significant calorie source in the tropics. Its processing has changed from traditional methods to stainless steel processing machines. This study investigated the influence of cassava on metal release from two com…
View article: Synergistic Effect of Nanoclay and Barium Sulfate Fillers on the Corrosion Resistance of Polyester Powder Coatings
Synergistic Effect of Nanoclay and Barium Sulfate Fillers on the Corrosion Resistance of Polyester Powder Coatings Open
Nanoclay has proven to be an active anti-corrosive additive due to the self-repairing effect from nanoclay swelling and expansion, except for its passive barrier effect due to the high aspect ratio. But it is still uncertain how these effe…
View article: Study on the Self-Repairing Effect of Nanoclay in Powder Coatings for Corrosion Protection
Study on the Self-Repairing Effect of Nanoclay in Powder Coatings for Corrosion Protection Open
Powder coatings are a promising, solvent-free alternative to traditional liquid coatings due to the superior corrosion protection they provide. This study investigates the effects of incorporating montmorillonite-based nanoclay additives w…
View article: Skin permeation studies of chromium species – Evaluation of a reconstructed human epidermis model
Skin permeation studies of chromium species – Evaluation of a reconstructed human epidermis model Open
A reconstructed human epidermis (RHE) model, the EpiDerm, was investigated and compared to human skin ex vivo regarding tissue penetration and distribution of two chromium species, relevant in both occupational and general exposure in the …
View article: A bio-tribocorrosion comparison between additively manufactured and forged Ti6Al4V parts
A bio-tribocorrosion comparison between additively manufactured and forged Ti6Al4V parts Open
Ti6Al4V has been used widely as a biomedical alloy and is increasingly manufactured by additive manufacturing due to customized shapes. As implant material, it is frequently exposed to both friction and corrosive environments. This study i…
View article: Effect of Amino Acids on the Corrosion and Metal Release from Copper and Stainless Steel
Effect of Amino Acids on the Corrosion and Metal Release from Copper and Stainless Steel Open
Copper (Cu) and stainless steel 316 L are widely used for biomedical applications, such as intrauterine devices and orthopedic/dental implants. Amino acids are abundantly present in biological environments. We investigated the influence of…
View article: A Bio-Tribocorrosion Comparison between Additively Manufactured and Forged Ti6al4v Parts
A Bio-Tribocorrosion Comparison between Additively Manufactured and Forged Ti6al4v Parts Open
View article: Presence of impurities of nickel and cobalt in facial cosmetic pigments and their dissolution into artificial sweat
Presence of impurities of nickel and cobalt in facial cosmetic pigments and their dissolution into artificial sweat Open
Both nickel (Ni) and cobalt (Co) are common skin sensitizers known to cause contact allergy,1 not only existing in alloys but also in different consumer products, such as cosmetics,2 even though not intentionally added. Mineral pigments su…
View article: Corrosion and metal release characterization of stainless steel 316L weld zones in whey protein solution
Corrosion and metal release characterization of stainless steel 316L weld zones in whey protein solution Open
Stainless steel ASTM 316 L is often used in the food industry as contact material with protein-rich dairy products. It has to be welded at some locations for many of these contact materials. This study aimed at i) determining any combined …
View article: Location of cobalt impurities in the surface oxide of stainless steel 316L and metal release in synthetic biological fluids
Location of cobalt impurities in the surface oxide of stainless steel 316L and metal release in synthetic biological fluids Open
View article: Effect of nanoparticle size on the near-surface pH-distribution in aqueous and carbonate buffered solutions
Effect of nanoparticle size on the near-surface pH-distribution in aqueous and carbonate buffered solutions Open
An analytical solution for the effect of particle size on the current density and near-surface ion distribution around spherical nanoparticles is presented in this work. With the long-term aim to support predictions on corrosion reactions …
View article: Electrochemical Estimations of the Gold Nanoparticle Size Effect on Cysteine-Gold Oxidation
Electrochemical Estimations of the Gold Nanoparticle Size Effect on Cysteine-Gold Oxidation Open
Gold nanoparticles are interesting for nanobiomedical applications, such as for drug delivery and as diagnostic imaging contrast agents. However, their stability and reactivity in-vivo are influenced by their surface properties and size. H…
View article: Bioaccessibility and reactivity of alloy powders used in powder bed fusion additive manufacturing
Bioaccessibility and reactivity of alloy powders used in powder bed fusion additive manufacturing Open
View article: Skin permeation of nickel, cobalt and chromium salts in ex vivo human skin, visualized using mass spectrometry imaging
Skin permeation of nickel, cobalt and chromium salts in ex vivo human skin, visualized using mass spectrometry imaging Open
View article: Genotoxicity and inflammatory potential of stainless steel welding fume particles: an in vitro study on standard vs Cr(VI)-reduced flux-cored wires and the role of released metals
Genotoxicity and inflammatory potential of stainless steel welding fume particles: an in vitro study on standard vs Cr(VI)-reduced flux-cored wires and the role of released metals Open
Welders are daily exposed to various levels of welding fumes containing several metals. This exposure can lead to an increased risk for different health effects which serves as a driving force to develop new methods that generate less toxi…
View article: Analytical survey of tattoo inks—A chemical and legal perspective with focus on sensitizing substances
Analytical survey of tattoo inks—A chemical and legal perspective with focus on sensitizing substances Open
Background Tattoo inks have been reported to elicit allergic contact dermatitis. Objectives To investigate the labels and the contents of metals and pigments in tattoo inks, considering restrictions within the European Union. Methods Seven…
View article: Patch testing with aluminium Finn Chambers could give false‐positive reactions in patients with contact allergy to aluminium
Patch testing with aluminium Finn Chambers could give false‐positive reactions in patients with contact allergy to aluminium Open
Background Earlier laboratory studies have shown that sodium tetrachloropalladate, Myroxylon pereirae, caine mix II, and palladium chloride trigger the release of aluminium (Al) from Finn Chambers (FC). Objectives To investigate whether al…
View article: Detection of gold cysteine thiolate complexes on gold nanoparticles with time-of-flight secondary ion mass spectrometry
Detection of gold cysteine thiolate complexes on gold nanoparticles with time-of-flight secondary ion mass spectrometry Open
Gold (Au) nanoparticles (NPs) are widely used in nanomedical applications as a carrier for molecules designed for different functionalities. Previous findings suggested that biological molecules, including amino acids, could contribute to …
View article: Welding fume nanoparticles from solid and flux-cored wires: Solubility, toxicity, and role of fluorides
Welding fume nanoparticles from solid and flux-cored wires: Solubility, toxicity, and role of fluorides Open
Welding fume particles are hazardous. Their toxicity likely depends on their composition and reactivity. This study aimed at exploring the role of sodium or other fluorides (NaF), which are intentionally added to flux-cored wire electrodes…
View article: Multinational perspectives on the Canadian struggle of gender inequality in chemistry
Multinational perspectives on the Canadian struggle of gender inequality in chemistry Open
View article: Metal bioaccessibility in synthetic body fluids – A way to consider positive and negative alloying effects in hazard assessments
Metal bioaccessibility in synthetic body fluids – A way to consider positive and negative alloying effects in hazard assessments Open