نتایج جستجو برای: coral like nanostructures

تعداد نتایج: 686659  

2011
Greta S. Aeby Gareth J. Williams Erik C. Franklin Jessica Haapkyla C. Drew Harvell Stephen Neale Cathie A. Page Laurie Raymundo Bernardo Vargas-Ángel Bette L. Willis Thierry M. Work Simon K. Davy

Growth anomalies (GAs) are common, tumor-like diseases that can cause significant morbidity and decreased fecundity in the major Indo-Pacific reef-building coral genera, Acropora and Porites. GAs are unusually tractable for testing hypotheses about drivers of coral disease because of their pan-Pacific distributions, relatively high occurrence, and unambiguous ease of identification. We modeled ...

2017
Jose Montalvo-Proaño Patrick Buerger Karen D. Weynberg Madeleine J. H. van Oppen

The coral-Symbiodinium association is a critical component of coral reefs as it is the main primary producer and builds the reef's 3-dimensional structure. A breakdown of this endosymbiosis causes a loss of the dinoflagellate photosymbiont, Symbiodinium, and/or its photosynthetic pigments from the coral tissues (i.e., coral bleaching), and can lead to coral mortality. Coral bleaching has mostly...

2016
Li-Ko Yeh Jie-Chun Luo Min-Chun Chen Chih-Hung Wu Jianzhang Chen I-Chun Cheng Cheng-Che Hsu Wei-Cheng Tian

A photoactivated gas detector operated at room temperature was microfabricated using a simple hydrothermal method. We report that the photoactivated gas detector can detect toluene using a UV illumination of 2 μW/cm². By ultraviolet (UV) illumination, gas detectors sense toluene at room temperature without heating. A significant enhancement of detector sensitivity is achieved because of the hig...

Journal: :Environmental microbiology 2004
Veronica Casas David I Kline Linda Wegley Yanan Yu Mya Breitbart Forest Rohwer

White band disease type I (WBD I) has been a major cause of the dramatic decline of Acroporid coral populations throughout the Caribbean during the last two decades, yet the aetiological agent of this disease is unknown. In this study, the bacterial communities associated with both healthy and diseased Acropora species were compared by 16S rDNA analyses. The bacterial communities of both health...

2012
Eun Chul Cho

This study presents a facile way synthesizing disc-like lipid bilyaer nanostructures with a cationic amphiphilic polyelectrolyte. The cationic amphiphilic polyelectrolyte was in a form of partially quarternized copolymer and was synthesized with 2-(dimethylamino)ethyl methacrylate and stearyl methacrylate. At some concentration ranges of the polymer, the addition of the polymer to lipid compone...

Journal: :Applied and Environmental Microbiology 2011

2016
Xing Wang Jiao Yang Liuxue Shi Meizhen Gao

A green synthesis for nanoleave, nanosheet, spindle-like, rugby-like, dandelion-like and flower-like CuO nanostructures (from 2D to 3D) is successfully achieved through simply hydrothermal synthetic method without the assistance of surfactant. The morphology of CuO nanostructures can be easily tailored by adjusting the amount of ammonia and the source of copper. By designing a time varying expe...

Journal: :journal of ultrafine grained and nanostructured materials 2015
mehdi hamdam momen mahmoud heydarzadeh sohi ahmadali amadeh

in this study, a novel method called “atmospheric pressure solution evaporation (apse)” wasdeveloped for growing of zinc oxide (zno) nanostructures on al2o3 surface. zinc acetate dihydrate,polyvinyl pyrrolidone, and deionized water were used as precursor, capping, and solvent, respectively.the growth of zno nanostructures from evaporated solution was performed at three temperatures of300, 400, ...

2013
Chuki Hongo Hiroya Yamano

Coral bleaching, triggered by elevated sea-surface temperatures (SSTs) has caused a decline in coral cover and changes in the abundances of corals on reefs worldwide. Coral decline can be exacerbated by the effects of local stressors like turbidity, yet some reefs with a natural history of turbidity can support healthy and resilient coral communities. However, little is known about responses of...

Journal: :The Journal of experimental biology 2011
Jeremie Vidal-Dupiol Ophélie Ladrière Anne-Leila Meistertzheim Laurent Fouré Mehdi Adjeroud Guillaume Mitta

As the effects of climate change have become increasingly visible over the past three decades, coral reefs have suffered from a number of natural and anthropogenic disturbances that have caused a critical decline in coral populations. Among these disturbances are coral diseases, which have appeared with increasing frequency and severity, often in correlation with increases in water temperature....

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