ChemPlusChem, Volume 89, Issue 4, April 2024.A biomimetic synthesis of polyarylated fluorenes similar to naturally occurring selaginpulvilines is reported in this work. Some of the synthesized fluorens spontaneously decompose to solid‐state stable radical. Various techniques were employed, including cyclic voltammetry, EPR spectroscopy, and DFT calculation to shine a light on the origin and ...
Sundaravelu Nallappan +11 more
wiley +1 more source
Acta Botânica Brasílica, 1997 É apresentado um "checklist" das pteridófitas ocorrentes na Reserva Ecológica de Jangadinha, Município de Jaboatão dos Guararapes, como contribuição aos estudos da pteridoflora de áreas de Floresta Atlântica do Estado de Pernambuco.
Sandra Tereza Ambrósio +1 more
doaj +1 more source
Future Postharvest and Food, Volume 1, Issue 1, Page 47-60, March 2024.This review provides a concise and comprehensive summary of existing knowledge on the chemical structure, plant origin, physical properties, biotransformations, and multifaceted biological activities of ochnaflavone. Abstract Ochnaflavone is a naturally occurring biflavonoid mainly isolated from Ochna integerrima, manifests health benefits encompassing
Shiye Lin +4 more
wiley +1 more source
Sinopse de Licófitas e Samambaias do Parque Nacional da Amazônia, Pará, Brasil
Rodriguésia, 2020 Resumo Neste trabalho é apresentado um levantamento das samambaias e licófitas do Parque Nacional da Amazônia, Pará, Brasil. Este é um dos maiores Parques da bacia amazônica e agrega os principais tipos vegetacionais das terras baixas da Amazônia ...
Edson Alves Menezes +1 more
doaj +1 more source
Samambaias e licófitas em um afloramento rochoso costeiro no Estado do Rio de Janeiro, Brasil
Hoehnea, 2020 RESUMO O objetivo deste estudo foi realizar o levantamento de samambaias e licófitas do Morro do Pico (22°56'05.2''S,43°07'13.8''W), que está localizado na Área de Proteção Ambiental dos Fortes, litoral do município de Niterói, Estado do Rio de Janeiro ...
Fernanda Stefany Nunes Costa +2 more
doaj +1 more source
Germination responses of a dry sclerophyll forest soil-stored seedbank to fire related cues [PDF]
, 2013 Fire is an integral component of many ecosystems worldwide. Many plant species require fire-related cues, primarily heat and smoke, to trigger germination. Despite the importance of this process, the responses of many Australian species to these cues are
Allen, R. M. +4 more
core
A linear sequence of extant families and genera of lycophytes and ferns [PDF]
, 2011 Throughout the history of the classification of extant ferns (monilophytes) and lycophytes, familial and generic concepts have been in great flux. For the organisation of lycophytes and ferns in herbaria, books, checklists, indices and spore banks and on
Christenhusz, Maarten +2 more
core +2 more sources
Studi Komunitas Gulma Di Areal Pertanaman Pala (Mirystica Fragrans Houtt) Pada Stadium Tanaman Belum Menghasilkan Dan Menghasilkan Di Desa Rutong Kecamatan Leitimur Selatan Kota Ambon [PDF]
, 2016 The research was conducted in Rutong Village, Ambon City in order to determine the composition of weeds and weeds as well as weeds predominant in the nutmeg crop yield and immature. Field data collection was done by using a survey method.
Onarely, A. (Anderson) +2 more
core +1 more source
La colección de preparados palinológicos de la Cátedra de Palinología de la Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP), Buenos Aires, Argentina [PDF]
, 2014 Fil: Yañez, Agustina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Palinología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo
Copello, Manuel +13 more
core +1 more source
First palynologic record of the Cretaceous La Yesera Formation (Salta Group), northwestern Argentina [PDF]
, 2014 Thirty-four taxa were documented from six palynologically productive samples of the La Yesera Formation (Brealito and Don Bartolo Members) in the Pucará locality (Salta Province, northwestern Argentina).
Narvaez, Paula Liliana +2 more
core +1 more source