Results 141 to 150 of about 277,679 (306)

Is There an Allergy to Pure Metallic Gold Micro‐Particles?—An Epicutaneous Study of Gold Micro‐Particles, Gold Thiosulphate, and Placebo

open access: yesContact Dermatitis, EarlyView.
In an epicutaneous test, no allergic reactions were observed in response to pure metallic gold particles. ABSTRACT Background Previous studies investigating gold allergy have used gold thiosulphate (GCST) rather than pure gold, reporting an incidence up to 30%. Objectives As it is unclear whether these reactions are due to ions from pure gold or solely
Sten Rasmussen, Peter Bjerring
wiley   +1 more source

Contact Sensitisation Trends in Slovenian Children and Adolescents: A Retrospective Single‐Centre Study

open access: yesContact Dermatitis, EarlyView.
Nickel sensitisation in children decreased significantly over time, while dyes and isothiazolinones are emerging allergens. These findings underscore shifting exposure patterns and the need for continuous surveillance to guide effective patch testing and prevention strategies.
Mateja Starbek Zorko   +2 more
wiley   +1 more source

The specifics of non‐routine task changes: A granular approach

open access: yesContemporary Economic Policy, EarlyView.
Abstract This paper estimates granular specific non‐routine tasks and examines employment reallocation across those tasks in the United States. Employment shifts into decision‐making, technology, and information‐related tasks account for 90% of high‐wage employment growth.
Carol A. Scotese
wiley   +1 more source

Determination of the emission factor of carbon monoxide for jewelry making workshops

open access: yesJournal of Air Pollution and Health, 2018
Introduction: Air pollution has become a problem in the city of Isfahan, Iran. Jewelry making workshops are one of the city’s sources of pollutants. No studies had yet been conducted to determine the emission factor for Isfahan’s jewelry making workshops.
Elham Asgari Kheirabadi   +2 more
doaj  

Defining the geographical level of competition: a taxonomy of industry tradability

open access: yesEconomica, EarlyView.
Abstract The paper develops a taxonomy of industry tradability to define the geographical level at which competition takes place. First, it creates a novel dataset that combines production and international trade data for both goods and services industries, defined at a detailed (3‐digit) level of industry aggregation for 15 European countries.
Sara Calligaris   +4 more
wiley   +1 more source

Multiparasitism Resolves the Apparent Paradox of High Male Pheromone Investment Despite Frequent Within‐Host Mating in a Parasitoid

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
It is unknown why males of the parasitoid wasp Nasonia giraulti produce large amounts of a costly sex pheromone although they were long thought to mate with their females already before emergence within the host. Mated females do no longer respond to the pheromone.
Martina Wendler   +2 more
wiley   +1 more source

Golden weapons and golden fetters: From the gold standard to the new geopolitics

open access: yesThe Economic History Review, EarlyView.
Abstract This paper explores the historical relationship between monetary regimes, security concerns, and geopolitical tensions, particularly focusing on the role of gold. Throughout history, monetary systems have been deeply intertwined with international state systems and security provisions.
Harold James
wiley   +1 more source

Chasing the perfida Albione: Anglo‐Italian productivity gap in the late 1930s

open access: yesThe Economic History Review, EarlyView.
Abstract This paper presents new estimates of Anglo‐Italian labour productivity levels in manufacturing in the late 1930s, derived using the standard single‐deflation approach. The findings confirm a substantial productivity gap between Italy and the United Kingdom at the aggregate level, alongside pronounced intersectoral heterogeneity.
Tancredi Salamone
wiley   +1 more source

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