Results 1 to 10 of about 1,790 (165)

Crucial interactions of functional pyrenes with graphite in electrodes for lithium‐ion batteries

open access: yesNano Select, 2023
Polycyclic aromatic hydrocarbons, such as pyrenes, are a well‐known material class for non‐covalent modification of carbon surfaces in many applications. In electrochemical energy storage, pyrenes are mostly used in large polymeric structures.
Hannes Radinger   +2 more
exaly   +2 more sources

13C NMR chemical shift assignments of nitrated benzo[a]pyrenes based on two-dimensional techniques and DFT/GIAO calculations

open access: yesResults in Chemistry, 2021
Nitrated benzo[a]pyrenes are known to be mutagenic, carcinogenic and teratogenic to bacterial and animal cells. For differentiation of isomers and environmental analytical trace studies, spectroscopic information is necessary.
Kefa K Onchoke
exaly   +3 more sources

A new species of Cotoneaster (Rosaceae) from western Sichuan, China [PDF]

open access: yesPhytoKeys, 2023
Cotoneaster densiflorus, a new species of Rosaceae from western Sichuan, China, is described and illustrated. Morphologically, we inferred that the new species belongs to Cotoneaster Ser. Salicifolii sensu Yü et al. (1974) in the Flora of China and Fryer
Mingwan Li   +9 more
doaj   +4 more sources

Lasianthus ranongensis (Rubiaceae), a new species from Andaman tropical rainforest Thailand [PDF]

open access: yesPeerJ, 2021
We describe Lasianthus ranongensis Sinbumr. & Napiroon as a new species in the genus Lasianthus. The new taxon is intensively discussed through taxonomic affinities and information on its habitat, distribution and conservation status is provided ...
Tiwtawat Napiroon   +2 more
doaj   +2 more sources

Morphological aspects and embryonic development after the dispersion of pirenes of Ilex paraguariensis A. St. Hil [PDF]

open access: yesRevista Ceres, 2022
The objective of this work was to identify and describe the morphological aspects of the pyrene and the different stages of developing embryos of Ilex paraguariensis. The pyrenes were collected in the year 2016 and 2017, of ripe fruits.
Anieli Cioato de Souza   +3 more
doaj   +1 more source

Morphological characteristics as a key attribute for a successful determination of selected Cotoneaster species [PDF]

open access: yesActa Fytotechnica et Zootechnica, 2020
In this paper, morphological features, such as the number of pyrenes in pome and the number of pomes in infructescence, were used for determination of closely related tetraploid Cotoneaster species.
Samuel Kšiňan
doaj   +1 more source

Causes of dormancy in Ilex paraguariensis pyrenes

open access: yesRodriguésia, 2022
Ilex parguariensis pyrenes, popularly known as “yerba mate”, were classified as dormant. This study aim to investigated the causes of dormancy in Ilex paraguariensis’ pyrenes.
Anieli Cioato de Souza   +6 more
doaj   +1 more source

Water immersion and one-year storage influence the germination of the pyrenes of Copernicia alba Morong, a palm tree from a neotropical wetland

open access: yesHoehnea, 2022
Palm seeds are known for displaying dormancy and a thick endocarp that delays germination and embryo growth, but water treatments may accelerate their germination process.
Vanessa Couto Soares   +3 more
doaj   +1 more source

Morphological Features of Fruits and Seeds of Some Species of the Genus Crataegus L. of the Flora of Ukraine

open access: yesActa Agrobotanica, 2021
The genus Crataegus L. is one of the largest species in the family Rosaceae Juss. The fruits are used as medicinal raw materials (Crataegus fructus), as they contain a set of biologically active compounds.
Tetiana Dvirna   +3 more
doaj   +1 more source

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