Results 91 to 100 of about 153,955 (353)

Potential Human Health Applications from Marine Biomedical Research with Elasmobranch Fishes

open access: yesFishes, 2018
Members of the subclass of fishes collectively known as elasmobranchs (Class Chondrichthyes, Subclass Elasmobranchii) include sharks, skates, rays, guitarfish, and sawfish. Having diverged from the main line of vertebrate evolution some 400 million years
Carl A. Luer, Catherine J. Walsh
doaj   +1 more source

A Fuzzy Framework for Realized Volatility Prediction: Empirical Evidence From Equity Markets

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT This study introduces a realized volatility fuzzy time series (RV‐FTS) model that applies a fuzzy c‐means clustering algorithm to estimate time‐varying c$$ c $$ latent volatility states and their corresponding membership degrees. These memberships are used to construct a fuzzified volatility estimate as a weighted average of cluster centroids.
Shafqat Iqbal, Štefan Lyócsa
wiley   +1 more source

First record of an Odontaspidid shark in Ascension Island waters [PDF]

open access: yes, 2019
The occurrence of the poorly understood shark species Odontapsis ferox is reported at an oceanic seamount in the central south Atlantic, within the Exclusive Economic Zone of Ascension Island.
Burgess, George H.   +3 more
core   +2 more sources

Application Research of Microstructured Flexible Sensors in Rehabilitative Wearable Sensing

open access: yesiNew Medicine, EarlyView.
ABSTRACT Flexible sensors enable the continuous, real‐time monitoring of the physiological and movement signals of patients, providing data support for precise rehabilitation strategies and playing a crucial role in rehabilitation medicine. However, traditional rigid sensors are often incompatible with dynamic body contours due to their high material ...
Ling Zhu   +4 more
wiley   +1 more source

Sale of critically endangered sharks in the United States

open access: yesFrontiers in Marine Science
In the United States, shark meat is sold in grocery stores, seafood markets, and online. The meat is often mislabeled as another species or generically labeled as “shark”.
Savannah J. Ryburn   +28 more
doaj   +1 more source

The uranium isotopic composition of modern stromatolites forming in Shark Bay, Western Australia

open access: gold, 2021
A. Martin   +3 more
openalex   +1 more source

Northerly Distribution of White Sharks, Carcharodon carcharias, in the Eastern Pacific and Relation to ENSO Events [PDF]

open access: yes, 2004
Twenty-nine verified records of white sharks, Carcharodon carcharias, from British Columbia and Alaska waters (1961–2004) are presented. Record locations ranged from lat. 48°48ʹN to lat.
Martin, R. Aidan
core  

A record of fossil shallow-water whale falls from Italy [PDF]

open access: yes, 2014
Twenty-five Neogene-Quaternary whales hosted in Italian museum collections and their associated fauna were analysed for evidence of whale-fall community development in shallow-water settings.
Allison   +81 more
core   +2 more sources

The IceShark, an effective method for sampling plankton under sea ice

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Seasonal sea ice plays a crucial role in shaping coastal ecosystem dynamics throughout the circumpolar region. Of particular interest to oceanographers is the ice‐ocean interface which functions as a multidimensional habitat, supporting both sympagic algae and pelagic phytoplankton in the under‐ice surface waters.
Eleanor A. Barry   +4 more
wiley   +1 more source

Tumor Cell Migration May Be an Inherent “Foraging” Behavior

open access: yesMedicine Advances, EarlyView.
Tumor cells gradually form pseudopodia, migrate to necrotic cells, make contact with them, and absorb necrotic cell debris. During this migration, small vesicles formed by dying tumor cells also gradually migrate toward living tumor cells. Once the nutrients from the necrotic cells have been completely absorbed, the living tumor cells will leave ...
Fuqian Zhao   +4 more
wiley   +1 more source

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