Results 31 to 40 of about 1,371 (189)

Lipid extraction from Aphanothece sp. using ultrasounds

open access: yesJournal of Physics: Conference Series, 2020
Abstract The unprecedented reduction in the availability of fossil fuels requires the research community to find safe, clean, renewable and sustainable energy sources. One promising source is microalgae biofuel, which can reduce environmental problems and energy crises due to its closed carbon cycle.
F Abdilah, L Troskialina
openaire   +1 more source

Aphanothece undetermined

open access: yes
Aphanothece sp. (Fig. 7P). Colonies irregular, 17–89.89 µm diam. Sheath firm, thick, gelatinous, hyaline. Cells densely to sparsely disposed, oblong or ellipsoid, 5.49–8.57 µm diam. Without individual envelopes. Cell content slightly granulated, pale purple. Habitat:— Tree bark inside the forest associate to Tolypothrix rechingeri. Notes: — Aphanothece
Da Anunciação, Raylane R.   +4 more
openaire   +3 more sources

New aerophytic morphospecies of Cyanobacteria from tropical forest fragments in northwestern São Paulo state, Brazil Novas morfoespécies aerofíticas de Cyanobacteria de fragmentos de floresta tropical na região noroeste do Estado de São Paulo, Brasil

open access: yesActa Botânica Brasílica, 2010
Algae and Cyanobacteria can colonize a wide variety of terrestrial environments and the assemblages from aerophytic habitats are very poorly known. During the survey of aerophytic algal and cyanobacterial communities in forest fragments in northwestern ...
Nadia Martins Lemes-da-Silva   +2 more
doaj   +1 more source

Extraction and Quantification of Alkanes in Cyanobacteria

open access: yesBio-Protocol, 2015
Many species of cyanobacteria accumulate alkanes in their cells. It has been reported that these cyanobacteria accumulate mainly 15 long carbon chain alkane, pentadecane (C15H32), or/and 17 long chain alkane, heptadecane (C17H36).
Hakuto Kageyama   +5 more
doaj   +1 more source

CARACTERIZAÇÃO SENSORIAL DO ODOR DA Aphanothece microscopic Nägeli DESIDRATADA

open access: yes, 1998
Caracterizou-se o atributo odor da Aphanothece microscopic Nägeli visando sua utilização na alimentação humana. Levantou-se a terminologia para descrição do seu odor, assim como da Spirulina sp e de uma alga
QUEIROZ, MARIA ISABEL   +2 more
core   +1 more source

Statistical filtering to aid in the sorting of phytoplankton: The effects of image library size and phytoplankton shape

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract The demand for efficient image sorting methods has increased due to technological advancements that enable more intensive phytoplankton monitoring. Both statistical and machine learning algorithms can misidentify algal taxa in taxonomically diverse samples, in which phytoplankton morphology and image traits can vary.
Christopher R. Farrow, Josef D. Ackerman
wiley   +1 more source

Photosynthetic primary production in the Mesoproterozoic

open access: yesNew Phytologist, Volume 251, Issue 1, Page 64-80, July 2026.
Summary The Mesoproterozoic atmosphere had more CO2 and less O2 than at present. While the upper ocean was oxygenated, the deeper ocean was euxinic or ferruginous. Primary production was performed by Chlorobia, Cyanobacteria, Proteobacteria, and Archaeplastida.
Patricia Sánchez‐Baracaldo   +1 more
wiley   +1 more source

Determinação das Cianobactérias de Subsuperfície de Sedimentos Marginais do Brejo do Pau Fincado do Complexo Lagunar de Araruama, RJ, Brasil [PDF]

open access: yesAnuário do Instituto de Geociências, 2011
O brejo do Pau Fincado é um corpo aquático natural, localizado no Complexo Lagunar de Araruama, que apresenta variações de salinidade em uma amplitude de hipersalina a salobra.
Loreine Hermida da Silva e Silva   +5 more
doaj  

A meta-analysis of environmental factors influencing the algal colonisation in caves and rockshelters worldwide

open access: yesActa Carsologica, 2023
Microclimate conditions, mainly radiation, temperature and relative humidity vary according to cavities´ configurations and determine the microorganism’s colonisation.
Andrea Belda   +2 more
doaj   +1 more source

Cyanobacteria as multifunctional bioinputs for sustainable intensification, soil health enhancement, and climate resilience in rice‐based cropping systems

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 1, March 2026.
Abstract Ensuring food security goals through the provision of sustainable energy and food without compromising environmental sustainability is the current requirement amid threats from climate change, uncontrolled global population, and scarcity of natural resources.
Muhammad Shahbaz Farooq   +9 more
wiley   +1 more source

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