Results 171 to 180 of about 598,189 (415)

Harmful and toxic algae [PDF]

open access: yes, 2001
The chapter provides basic facts about harmful and toxic algae. It also discusses the conditions that stimulate their occurrence, different types of harmful and toxic algal blooms and their effects to fish and marine environment. The different strategies
Caturao, Romeo
core   +1 more source

Modified Polysaccharides in Laundry Applications as Soil Release and Anti‐Redeposition Additives

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Polymers play an important role within modern laundry formulations, enhancing their cleaning performance by aiding in the release of soil from textiles and helping to prevent soil resettling upon the textiles during washing. Most of these polymers are derived from non‐renewable petrochemical sources; however, a combination of factors ...
Marcellino D'Avino   +4 more
wiley   +1 more source

Preparation, Characterization, and Antimicrobial Activities of Ceragenins Incorporated Into Polyvinyl Alcohol/Gelatin/Sodium Alginate‐Based Hydrogels for Treatment of Burn Wounds

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Ceragenins are synthetic molecules that mimic antimicrobial peptides (AMPs) in the human immune system. They feature a bile acid‐based structure with appended positively charged groups that disrupt bacterial cell membranes, leading to microbial cell death or inactivation.
Nawal Aljayyousi   +6 more
wiley   +1 more source

The Diverse Modes of Oxygen Reactivity in Life & Chemistry

open access: yesChemSusChem, Volume 15, Issue 24, December 20, 2022., 2022
Breath of life: Oxygen is the quintessential molecule of life on our planet. Three molecular oxygen species dominate natural and artificial oxygenation reactions: the singlet and triplet spin states of dioxygen and ozone. This Review summarizes key applications of these molecular oxygen species in biology, medicine, technologies, and laboratories ...
Robin Stuhr   +2 more
wiley   +1 more source

Spatiotemporal patterns near the Turing-Hopf bifurcation in a delay-diffusion mussel-algae model [PDF]

open access: yesarXiv, 2018
The spatiotemporal patterns of a reaction diffusion mussel-algae system with a delay subject to Neumann boundary conditions is considered. The paper is a continuation of our previous studies on delay-diffusion mussel-algae model. The global existence and positivity of solutions are obtained.
arxiv  

Harmful Algae

open access: yes, 2021
International Workshop on the Application of Ocean Science and Technology for the Practice of Sustainable “Blue Economy” in Developing Countries, 8-9 November ...
Berdalet, Elisa   +1 more
openaire   +1 more source

Microbial methods matter: Identifying discrepancies between microbiome denoising pipelines using a leaf biofilm taphonomic dataset

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise The occurrence of different microorganisms on aquatic macrophyte fossils suggests that biofilm microbes may facilitate leaf preservation. Understanding the impact of microorganisms on leaf preservation requires studies on living plants coupled with microbial amplicon sequencing.
Brianne Palmer   +3 more
wiley   +1 more source

Extreme congestion of microswimmers at a bottleneck constriction [PDF]

open access: yesarXiv, 2019
When attracted by a stimulus (e. g. light), microswimmers can build up very densely at a constriction and thus cause clogging. The micro-alga \textit{Chlamydomonas Reinhardtii} is used here as a model system to study this phenomenon. Its negative phototaxis makes the algae swim away from a light source and go through a microfabricated bottleneck-shaped
arxiv  

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