نتایج جستجو برای: gracilaria corticata
تعداد نتایج: 824 فیلتر نتایج به سال:
Evaluation of acute oral toxicity of red alga (Gracilaria domingensis sonder ex kützing) in mice C57BL/6 José Ytalo Gomes da Silva, Marcelo Oliveira Holanda, Carla Laine Silva Lima, Paula Alves Salmito Rodrigues, Erlândia Alves Magalhães Queiroz, Raquel Teixeira Terceiro Paim, Thais Vital de Freitas, Juliana Barbosa Dantas, Sandra Machado Lira, Natalia do Vale Canabrava, Mariana de Freitas More...
هدف از این مطالعه بررسی خواص ضد اکسیدانی با آزمون های DPPH ،FRAP، RP و PMB و ضد باکتریایی به دو روش دیسک دیفیوژن و چاهک عصاره هیدروالکلی(اتانول70 درصد) سه گونه ازجلبک های سبز، قهوه ای و قرمز در سواحل خلیج فارس بود. در این مطالعه بهترین فعالیت ضد اکسیدانی و پتانسیل مهار با رادیکال آزاد DPPH و بهترین فعالیت ضد اکسیدانی با آزمون RP را عصاره هیدروالکلی گونه Entromorpha intestinalis از جلبک های سبز ...
Increases in sediment and drift algae accumulations have caused degradation of coastal lagoons worldwide. It is well known that these factors are stressors of seagrass beds, sediment fauna and coral reefs. However, little is known about the impacts on temperate hard-bottom assemblages within soft-bottom lagoons. To test if accumulations of sediment and drift algae (stress) affected recruitment ...
[This corrects the article DOI: 10.1371/journal.pone.0097450.].
In order to improve the gelling properties of agarose, we modified it by methylation. The agarose was prepared from Gracilaria asiatica, G. bailinae, and G. lemaneiformis with alkaline, treated with diatomaceous earth and activated carbon, and anhydrous alcohol precipitation. The methylation reaction process of agarose was performed with dimethyl sulfate while the chemical structure of low-gell...
Phycocyanin is a phycobiliprotein involved in light harvesting and conduction of light to the reaction centers in cyanobacteria and red algae. The structure of C-phycocyanin from Gracilaria chilensis was solved by X-ray crystallography at 2.0 A resolution in space group P2(1). An interaction model between two PC heterohexamers was built, followed by molecular dynamic refinement. The best model ...
While invasive species often threaten biodiversity and human well-being, their potential to enhance functioning by offsetting the loss of native habitat has rarely been considered. We manipulated the abundance of the nonnative, habitat-forming seaweed Gracilaria vermiculophylla in large plots (25 m2) on southeastern US intertidal landscapes to assess impacts on multiple ecosystem functions unde...
The responses of respiration and photosynthesis to temperature fluctuations in marine macroalgae have the potential to significantly affect coastal carbon fluxes and sequestration. In this study, the marine red macroalga Gracilaria lemaneiformis was cultured at three different temperatures (12, 19, and 26°C) and at high- and low-nitrogen (N) availability, to investigate the acclimation potentia...
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