Results 21 to 30 of about 28,435 (86)

Exploring the Antiproliferative Activity of Flavolignans From the Leaves of Casearia arborea (Salicaceae)

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT The Casearia genus (Salicaceae) is well known as a source of natural antitumor prototypes, as described for clerodane diterpenes. In this way, the dichloromethane phase from leaves of Casearia arborea was phytochemically evaluated in liquid chromatography coupled to high‐resolution mass spectrometry, furnishing flavonoid, flavolignan, and ...
Augusto L. Santos   +7 more
wiley   +1 more source

Contabilidad creativa y fraude fiscal [PDF]

open access: yes, 2019
En este trabajo se analizará las diversas definiciones que han aparecido a lo largo del tiempo sobre la contabilidad creativa, y se podrá observar como cada uno de ellas, tiene una visión diferente sobre este tipo de práctica.
Alonso Jano, Sergio
core  

Optimizing Computed Tomography (CT) for Structurally Complex Organisms: A Case Study of Gastropod Shell Features

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
We developed and tested a computed tomography (CT) protocol to estimate shell volume as a method instead of using water and sand. We compared the estimates obtained using this protocol (OCT, optimized CT) with traditional methods (water and sand) and with a CT previous setting (NOCT, nonoptimized CT).
Andreza Caroline Caiero   +5 more
wiley   +1 more source

Paraísos fiscales [PDF]

open access: yes, 2015
Los paraísos fiscales tienen sus orígenes a mediados del siglo XX, cuando países con escasos recursos atraían inversiones extranjeras a través de legislación flexible y permisiva en materia financiera y tributaria.
Bafumo, Fernando David   +4 more
core  

Unpacking Side‐Selling: Experimental Evidence From Rural Mexico

open access: yesAgricultural Economics, Volume 56, Issue 6, Page 1119-1149, November 2025.
ABSTRACT With the rise of market‐led development, marketing cooperatives have emerged that offer smallholder producers a guaranteed minimum price for their cash crops. Their existence is threatened when members side‐sell a part of their harvest to outside buyers.
Stephen Pitts   +2 more
wiley   +1 more source

Análisis multidisciplinar de la delincuencia socioeconómica [PDF]

open access: yes, 2013
Traballo fin de grao (UDC.DER). Dereito.
Rubio Blanco, Minia
core  

Systematics of the Enigmatic Neotropical Rodent Genus Microakodontomys (Cricetidae: Sigmodontinae): New Evidence Supporting Its Distinctiveness and Endangered Status

open access: yesZoologica Scripta, Volume 54, Issue 5, Page 587-600, September 2025.
ABSTRACT The diversification of Neotropical sigmodontine rodents represents one of the most remarkable evolutionary events among mammals, encompassing numerous endemic, rare, and endangered genera and species. One of the most emblematic examples is Microakodontomys transitorius Hershkovitz 1993, originally described from a single specimen based on ...
Marcelo Weksler   +4 more
wiley   +1 more source

Migración y refugio en Panamá [PDF]

open access: yes, 2008
ESTE ARTÍCULO SEÑALA LA REALIDAD ACTUAL DE LA MIGRACIÓN y el refugio en Panamá y su relación con la situación social, política y económica de este país. Brinda pistas para reconocer el incremento del flujo migratorio hacia el país.
Kevin Evandro Sánchez Saavedra
core   +5 more sources

Elusión fiscal e intercambio de información tributaria entre Estados [PDF]

open access: yes, 2008
La relevancia que en la actualidad tiene el intercambio de información tributaria entre distintos Estados hunde sus raíces en la necesidad de encontrar mecanismos útiles y eficaces que permitan combatir el fraude, la evasión e incluso la elusión fiscal ...
Martínez Giner, Luis Alfonso
core  

Drivers and potential solutions for transnational Illegal, Unreported and Unregulated fishing (IUU) in the Gulf of Honduras

open access: yesPeople and Nature, Volume 7, Issue 6, Page 1321-1333, June 2025.
Abstract The threat of Illegal, Unreported and Unregulated (IUU) fishing to global fisheries, particularly in lower‐income tropical regions, underscores the urgent need for science‐based solutions. This study explores the drivers and potential solutions to IUU fishing by Honduran fishers in the Cayman Crown reef, located within the territorial waters ...
Antonella Rivera   +5 more
wiley   +1 more source

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