Results 71 to 80 of about 2,701 (211)

The bromotyrosine derivative Ianthelline isolated from the Arctic marine sponge Stryphnus fortis inhibits marine micro- and macrobiofouling [PDF]

open access: yes, 2014
International audienceThe inhibition of marine biofouling by the bromotyrosine derivative ianthelline, isolated from the Arctic marine sponge Stryphnus fortis, is described. All major stages of the fouling process are investigated.
Andersen, Jeanette H.   +9 more
core   +3 more sources

Marginal Tax Rates of Canadian Public Firms and the Applicability of Marginal Tax Rates in Corporate Decisions*

open access: yesAccounting Perspectives, Volume 25, Issue 1, Page 55-93, March 2026.
ABSTRACT While several US studies demonstrate the importance of using marginal tax rates (MTRs) to study corporate decisions and tax incentives, research using MTR in the Canadian setting is limited. The MTR literature has made several improvements on the estimation process using US firms, but these advances have not been made available for Canadian ...
Khin Phyo Hlaing, Bin (Betty) Xing
wiley   +1 more source

Size, season and origin of gastropods matter in imposex assessments

open access: yesEcotoxicology and Environmental Safety, 2018
Through controlled exposure to tributyltin (TBT), the effects of season, size, and population origin were evaluated on imposex incidence in Stramonita brasiliensis. Four experiments were carried out with organisms collected from three different sites on the Brazilian coast (Torres - Rio Grande do Sul, Farol de Santa Marta - Santa Catarina, and Aracruz -
Martina, Rossato   +3 more
openaire   +2 more sources

The Impact of Disclosure on Diversity: Evidence From the Canada Business Corporations Act

open access: yesContemporary Accounting Research, Volume 43, Issue 1, Page 314-340, Spring 2026.
ABSTRACT We examine the impact of a 2020 “comply‐or‐explain” disclosure mandate implemented in Canada. This regulation imposed the first disclosure mandate extending beyond gender diversity to include racial diversity. Using federally registered public firms as a treatment group and provincially registered public firms as a control group, we establish ...
Thomas Bourveau   +2 more
wiley   +1 more source

Public Tax Disclosures and Investor Perceptions Publications d'informations fiscales et perceptions des investisseurs

open access: yesContemporary Accounting Research, Volume 43, Issue 1, Page 461-486, Spring 2026.
ABSTRACT Regulators are increasingly considering and mandating additional public tax disclosures to enhance transparency and promote scrutiny of corporate tax avoidance. We conducted three experiments to examine how such disclosures influence retail investors' perceptions of firms with identical effective tax rates but different tax avoidance methods ...
Bart Dierynck   +4 more
wiley   +1 more source

Occurrence of imposex in Thais haemastoma: possible evidence of environmental contamination derived from organotin compounds in Rio de Janeiro and Fortaleza, Brazil

open access: yesCadernos de Saúde Pública, 2002
There are indications that the widespread use of organotin compounds (TBT and TPT) as antifoulings, as stabilizers in plastic and as pesticides, has severely affected several species of marine organisms.
Fernandez Marcos Antonio   +4 more
doaj  

Assessment of tributyltin contamination based on imposex in Stramonita rustica (Mollusca: Gastropoda) along southern Bahia coast, northeastern Brazil

open access: yesBrazilian Journal of Biology
This study investigated the effects of tributyltin (TBT) on the morphology of the genital system of the gastropod Stramonita rustica in southern Bahia, Brazil.
G. C. Zeidan, G. Boehs
doaj   +1 more source

A review of organotin contamination in arctic and subarctic regions

open access: yesEmerging Contaminants, 2019
Organotin (OT) compounds are of continued Arctic concern as they are still widely used despite the most well-studied OT, tributyl tin (TBT), being restricted from use on marine vessels to prevent fouling by marine organisms. The highest OT concentrations
John R. Kucklick, Michael D. Ellisor
doaj   +1 more source

Evaluation of imposex in Nassarius reticulatus (year 2015) [PDF]

open access: yes, 2015
[Resumen] El imposex (i.e. la super-imposición de caracteres sexuales masculinos en hembras de gasterópodos marinos) en Nassarius reticulatus (L.) se considera como un biomarcador específico de la contaminación por TBT (del inglés tributylin), por lo ...
Alfaya Herbello, Pedro
core  

«Différant des Autres», Espacements et Temporalités Spectrales

open access: yesAnthropology of Consciousness, Volume 37, Issue 1, Spring 2026.
ABSTRACT That night that he agreed to our suggestion that we accompany him outside, for the whole night or until the overflow has passed, M seemed to be in direct contact with all the layers of astronomy, inhabiting all temporalities simultaneously. Outside, lying/sitting on the picnic table, in the pitch‐black darkness of the night in the woods, under
Amélie‐Anne Mailhot
wiley   +1 more source

Home - About - Disclaimer - Privacy