Results 31 to 40 of about 519,930 (304)

Efficient Particle Transfer to Depth in Oxygen Minimum Zones of the Pacific and Indian Oceans

open access: yesFrontiers in Earth Science, 2020
The remineralization depth of sinking organic particles controls the efficiency of the biological carbon pump by setting the sequestration timescale of remineralized carbon in the ocean interior.
Thomas Weber, Daniele Bianchi
doaj   +1 more source

Molecular Contrast Optical Coherence Tomography: A Review [PDF]

open access: yes, 2004
This article reviews the current state of research on the use of molecular contrast agents in optical coherence tomography (OCT) imaging techniques. After a brief discussion of the basic principle of OCT and the importance of incorporating molecular ...
Yang, Changhuei
core   +1 more source

Numerical coupling of fluid and structure in cardiac flow and devices [PDF]

open access: yes, 2006
Numerical simulations are a powerful tool in investigation of flow and structure dynamics in biological systems and in the design of biomedical devices.
Avrahami, Idit
core   +1 more source

Microbial Eukaryote Diversity and Activity in the Water Column of the South China Sea Based on DNA and RNA High Throughput Sequencing

open access: yesFrontiers in Microbiology, 2017
To study the diversity and metabolic activity of microbial eukaryotes in the water column of the South China Sea, genomic DNA and RNA were co-extracted from samples collected down to bathyal depth at two sites.
Dapeng Xu   +5 more
doaj   +1 more source

Deep Ocean Particle Flux in the Northern South China Sea: Variability on Intra-Seasonal to Seasonal Timescales

open access: yesFrontiers in Earth Science, 2020
Based on a time-series sediment trap observation at a depth of 1,003-m in the northern South China Sea from 2014 to 2015, we used sinking particle flux combined with remote sensing-derived environmental data to infer the mechanisms of the biological ...
Shiru Tan   +10 more
doaj   +1 more source

COMMENTARY | Understanding the Role of the Biological Pump in the Global Carbon Cycle: An Imperative for Ocean Science [PDF]

open access: yesOceanography, 2014
Anthropogenically driven climate change will rapidly become Earth's dominant transformative influence in the coming decades. The oceanic biological pump—the complex suite of processes that results in the transfer of particulate and dissolved organic ...
Susumu Honjo   +11 more
doaj   +1 more source

A novel mutation in isoform 3 of the plasma membrane Ca2+ pump impairs cellular Ca2+ homeostasis in a patient with cerebellar ataxia and laminin subunit 1\u3b1 mutations. [PDF]

open access: yes, 2015
The particular importance of Ca2+ signaling to neurons demands its precise regulation within their cytoplasm. Isoform 3 of the plasma membrane Ca2+ ATPase (the PMCA3 pump), which is highly expressed in brain and cerebellum, plays an important role in the
Brini, Marisa   +9 more
core   +1 more source

The Roles of Suspension-Feeding and Flux-Feeding Zooplankton as Gatekeepers of Particle Flux Into the Mesopelagic Ocean in the Northeast Pacific

open access: yesFrontiers in Marine Science, 2019
Zooplankton are important consumers of sinking particles in the ocean’s twilight zone. However, the impact of different taxa depends on their feeding mode.
Michael R. Stukel   +4 more
doaj   +1 more source

Pump-probe scheme for optical coherence tomography using indocyanine green mixed with albumin or human plasma [PDF]

open access: yes, 2005
Use of indocyanine green (ICG) in a pump-probe scheme for OCT is proposed. The study illustrates that ICG in protein solution shows unusual pump-probe imaging potential, indicating its usefulness as a contrast agent for ...
Applegate, Brian E.   +4 more
core   +1 more source

Forecasting wind speed data by using a combination of ARIMA model with single exponential smoothing [PDF]

open access: yes, 2021
Wind serves as natural resources as the solution to minimize global warming and has been commonly used to produce electricity. Because of their uncontrollable wind characteristics, wind speed forecasting is considered one of the best challenges in ...
A. Rahman, Nur H.   +5 more
core   +1 more source

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