Results 151 to 160 of about 598,189 (415)

Modelling fixed plant and algal dynamics in rivers: an application to the River Frome [PDF]

open access: yes, 2010
The development of eutrophication in river systems is poorly understood given the complex relationship between fixed plants, algae, hydrodynamics, water chemistry and solar radiation.
Heppell, C. M.   +3 more
core  

The feasibility of automated identification of six algae types using neural networks and fluorescence-based spectral-morphological features [PDF]

open access: yesarXiv, 2018
Harmful algae blooms (HABs), which produce lethal toxins, are a growing global concern since they negatively affect the quality of drinking water and have major negative impact on wildlife, the fishing industry, as well as tourism and recreational water use.
arxiv  

\b{eta}-phase (AlxGa1-x)2O3 thin film with Al composition more than 70% [PDF]

open access: yesarXiv, 2020
In this work, we have demonstrated wide-composition-range \b{eta}-(AlxGa1-x)2O3 thin films with record-high Al compositions up to 77% for \b{eta}-(AlxGa1-x)2O3 covering bandgaps from 4.9 to 6.4 eV. With optimized thermal annealing conditions, the \b{eta}-Ga2O3 binary thin films on sapphire substrates transformed to the \b{eta}-(AlGa)2O3 ternary thin ...
arxiv  

Look Back at the U.S. Department of Energy's Aquatic Species Program: Biodiesel from Algae; Close-Out Report

open access: yes, 1998
The Aquatic Species Program was a relatively small research effort intended to look at the use of aquatic plants as sources of energy. Its history dates back to 1978, but much of the research from 1978 to 1982 focused on using algae to produce hydrogen ...
J. Sheehan   +3 more
semanticscholar   +1 more source

Insights into the red algae and eukaryotic evolution from the genome of Porphyra umbilicalis (Bangiophyceae, Rhodophyta)

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2017
Significance Fossil evidence shows that red algae (Rhodophyta) are one of the most ancient multicellular lineages. Their ecological, evolutionary, and commercial importance notwithstanding, few red algal nuclear genomes have been sequenced.
S. Brawley   +49 more
semanticscholar   +1 more source

Revolutionizing Bone Regeneration: Vascularized Bone Tissue Engineering with Advanced 3D Printing Technology

open access: yesAggregate, EarlyView.
Vascularized bone repair scaffolds exhibit superior biomimetic structures and demonstrate significant efficacy in bone defect repair. 3D printing technology offers distinct advantages in the design and fabrication of these scaffolds. This review provides an overview of the manufacturing strategies for vascularized bone repair scaffolds using 3D ...
Jiaxuan Fan   +7 more
wiley   +1 more source

Computational Insights into the Catalytic Mechanism of Is‐PETase: An Enzyme Capable of Degrading Poly(ethylene) Terephthalate

open access: yesChemistry – A European Journal, Volume 28, Issue 70, December 15, 2022., 2022
The enzyme is‐PETase degrades poly(ethylene) terephthalate (PET) at mesophilic temperatures. This makes is‐PETase a promising candidate for the biodegradation of this common pollutant. The energy profile for the degradation of a PET substrate mimic by is‐PETase was calculated by using computational quantum‐mechanical/molecular mechanical methods, and ...
Eugene Shrimpton‐Phoenix   +2 more
wiley   +1 more source

Antibacterial Derivatives of Marine Algae: An Overview of Pharmacological Mechanisms and Applications

open access: yesMarine Drugs, 2016
The marine environment is home to a taxonomically diverse ecosystem. Organisms such as algae, molluscs, sponges, corals, and tunicates have evolved to survive the high concentrations of infectious and surface-fouling bacteria that are indigenous to ocean
Emer Shannon, N. Abu-Ghannam
semanticscholar   +1 more source

Cell Cycle Arrest by Supraoptimal Temperature in the Alga Chlamydomonas reinhardtii

open access: yesCells, 2019
Temperature is one of the key factors affecting growth and division of algal cells. High temperature inhibits the cell cycle in Chlamydomonas reinhardtii.
Vilém Zachleder   +3 more
doaj   +1 more source

The Potential of Seaweeds as a Source of Functional Ingredients of Prebiotic and Antioxidant Value [PDF]

open access: yes, 2019
Two thirds of the world is covered by oceans, whose upper layer is inhabited by algae. This means that there is a large extension to obtain these photoautotrophic organisms.
Gomez Zavaglia, Andrea   +4 more
core   +1 more source

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