Results 31 to 40 of about 3,034 (111)

Natural Product Research in the Australian Marine Invertebrate Dicathais orbita

open access: yesMarine Drugs, 2013
The predatory marine gastropod Dicathais orbita has been the subject of a significant amount of biological and chemical research over the past five decades. Natural products research on D.
Kirsten Benkendorff
doaj   +1 more source

Orbital Pseudotumor: Neurosurgical Perspective

open access: yesBrazilian Neurosurgery
Idiopathic orbital inflammation is the third most common orbital affection, characterized by a benign inflammatory process, which is neither infectious nor neoplastic and can affect any orbital tissue.
Pedro Henrique Karpinski   +2 more
doaj   +1 more source

O movimento aparente da Lua

open access: yesRevista Brasileira de Ensino de Física
Investigamos o movimento da Lua em sua órbita ao redor da Terra e como ele se configura ao localizarmos nosso sistema de referência na Terra: o movimento aparente da Lua.
Arlei Prestes Tonel   +1 more
doaj   +1 more source

Allium‐Derived Compounds Against Multidrug‐Resistant Bacteria: Antibacterial Activity and Synergistic Effects

open access: yesChemMedChem, Volume 21, Issue 8, 28 April 2026.
This study evaluates four compounds derived from the genus Allium against 330 multidrug‐resistant bacteria. Propyl‐propane‐thiosulfonate (PTSO) exhibits the highest activity, particularly against Gram‐positive strains, while Gram‐negative bacteria are less affected.
Antonio Sorlózano‐Puerto   +5 more
wiley   +1 more source

LA ÓRBITA DEL SATÉLITE LIBERTAD 1

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
Inicialmente  hacemos  una descripción de la  génesis  del satélite  Libertad  1,  un  CubeSat  de tipo 1U  adquirido y  adaptado por  la Universidad Sergio Arboleda el cual se constituyó en el primero objeto en orbitar la Tierra por parte de una ...
José Gregorio Portilla
doaj   +1 more source

Gleaning the Rocky Shore? 2500 Years of Coastal Resource Use at Red Bluff 1, GunaiKurnai Country, SE Australia

open access: yesArchaeology in Oceania, Volume 61, Issue 1, Page 128-161, April 2026.
ABSTRACT Shell middens in Gippsland along the eastern half of Victoria's coastline have usually been characterised as small, short‐duration camp sites with relatively low shell densities and low taxonomic diversity. Here we present new excavation results from a dense, high‐diversity site at Red Bluff near the eastern end of GunaiKurnai Country, a ...
Patrick Faulkner   +17 more
wiley   +1 more source

Cruzando a órbita prum novo mar

open access: yesAlceu, 2021
O artigo visa analisar o uso do afrofuturismo pela cantora baiana Xênia França, através da análise de seu videoclipe Nave (2019). Tentando entender vários sentidos que emergem do significado do movimento político-estético negro e transnacional a partir ...
Rafael Pinto Ferreira de Queiroz
doaj   +1 more source

Advocacy Coalitions and the Evolution of U.S. Space Policy: Private Companies, Competition, and Space Traffic Coordination

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT This study employs advocacy coalition framework (ACF) theory to analyze debates over U.S. space policies designed to avoid dangerous collisions between objects in Earth orbit. For decades, the Department of Defense prioritized national security in its development of space traffic coordination (STC) systems like the Space Surveillance Network ...
Jeffrey S. Lantis
wiley   +1 more source

Transcriptome of the Australian Mollusc Dicathais orbita Provides Insights into the Biosynthesis of Indoles and Choline Esters

open access: yesMarine Drugs, 2016
Dicathais orbita is a mollusc of the Muricidae family and is well known for the production of the expensive dye Tyrian purple and its brominated precursors that have anticancer properties, in addition to choline esters with muscle-relaxing properties ...
Abdul Baten   +3 more
doaj   +1 more source

Linking Photophobia, Sleep Disturbances, and Migraine Chronicity: Evidence From a Retrospective Analysis

open access: yesBrain and Behavior, Volume 16, Issue 3, March 2026.
This study demonstrated that ictal photophobia was present in 89.8% and interictal photophobia in 93.4% of patients. Sleep disturbances were common, with 44.9% reporting difficulty falling asleep. Network analysis revealed stronger associations between interictal photophobia, daytime sleepiness, and medication overuse in chronic migraine compared to ...
Seden Demirci   +7 more
wiley   +1 more source

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