Results 71 to 80 of about 1,294,849 (206)

Digitizing collections to unlock the full potential of palynology: A case study with the Smithsonian palynology collection

PLANTS, PEOPLE, PLANET, Volume 8, Issue 4, Page 1116-1131, July 2026.
Large palynological collections have been built over decades and contain vital information. However, they are often difficult to access and use effectively. What is the point of having such collections if they are not fully utilizable? To solve this problem, we digitized the Smithsonian palynological collection using both light and confocal microscopy.
Carlos Jaramillo, Surangi W. Punyasena, Daurys de Alba, Roxana Alveo, Angelica Arcila, Jorge Bermudez, Jonatan Bustos, Dayenari Caballero‐Rodriguez, Karen Cardenas, David Caro, Francy Carvajal, Ivonne Marcela Castañeda, Shara Chaves, Carlos D'Apolito, Andres Diaz‐Jaramillo, Laura Diaz, Luisa Gomez, Mauricio León‐Carreño, Paula Lopera, Maria Alejandra Lopez, Priscila Lopez, Luke Mander, Jhonatan Martínez Murcia, Carlos Moreno, Enrique Moreno, Enrique Neyra, Brenda Orosco, Jhon Ortiz, Natalia Ossa, Natalia Ovalle, Carolina Ovalle, Angelo Plata, Ingrid Romero, Bruno Scudeiro, Silane A. F. da Silva Caminha, Axel Tejada‐Fajardo, Vinicius Do Valle, Thiago Wood   +37 more
wiley   +1 more source

Effect of stalk and leaf extracts from Euphorbiaceae species on Aedes aegypti (Diptera, Culicidae) larvae Efeito dos extratos de caule e folha de espécies de Euphorbiaceae sobre larvas de Aedes aegypti (Diptera, Culicidae)

Revista do Instituto de Medicina Tropical de São Paulo, 2006
The objective of this study was to evaluate the larvicidal activity of essential oil aqueous solutions (hydrolates) obtained by steam distillation of stalks and leaves of Croton argyrophylloides, Croton nepetaefolius, Croton sonderianus and Croton ...
Maria Goretti Araújo de Lima, Ismália Cassandra Costa Maia, Bruna Dantas de Sousa, Selene Maia de Morais, Sílvia Maria Freitas   +4 more
doaj   +1 more source

Molecular Insights and Repellent Efficacy of the Essential Oil and Major Compounds From Piper cyrtopodon (Miq.) C.DC (Piperaceae) Against Aedes aegypti (Linnaeus, 1762) (Culicidae)

Archiv der Pharmazie, Volume 359, Issue 6, June 2026.
The essential oil and major compounds from Piper cyrtopodon exhibit potent, long‐lasting repellent activity against Aedes aegypti mosquitoes, combined with low cytotoxicity and favorable molecular docking interactions with odorant‐binding proteins. These findings highlight its potential for the development of alternative products for bite prevention ...
Maria L. L. da Costa, Renata G. de Azevedo, Sergio M. Nunomura, Rita de C. S. Nunomura, Gemilson S. Pontes, Rosemary A. Roque, Tatiane P. de Souza, André C. de Oliveira   +7 more
wiley   +1 more source

Chemical Composition and Antimicrobial Activity of the Essential Oil from Croton heterocalyx Baill. (Euphorbiaceae s.s.) Leaves

, 2009
The chemical composition and the antimicrobial activity of the essential oil from Croton heterocalyx leaves were evaluated. The oil which was analyzed by GC and GUMS was found to contain germacrene D (12.5%), bicyclogermacrene (11.2%), delta-elemene (9.2%
CARUZO, Maria Beatriz Rossi, MORENO, Paulo Roberto H., YOUNG, Maria Claudia Marx, TORRES, Daniela Santos Carneiro, LIMA, Marcos Enoque Leite, CORDEIRO, Ines   +5 more
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Essential oils from Colombian Croton spp. exhibit antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and ampicillin- and streptomycin-resistant Escherichia coli

Scientific Reports
Bacterial resistance, a global public health concern prioritized by the World Health Organization, is particularly alarming in Staphylococcus aureus and Escherichia coli.
Isabel Cristina Sánchez, Juan Aicardo Segura Caro, Elkin Galeano, Fernando Alzate, Ana Claudia Ossa-Giraldo   +4 more
doaj   +1 more source

Phytochemical Profiling, Antiplatelet Potential, and Cytotoxic Assessment of Thymelaea tartonraira Aerial Part Essential Oil: In Vitro and In Silico Studies

Chemistry &Biodiversity, Volume 23, Issue 6, June 2026.
Essential oil from Thymelaea tartonraira was characterized by GC–MS and evaluated using in vitro and in silico approaches. The oil exhibited notable antiplatelet activity with low cytotoxicity. Molecular docking revealed strong interactions of major compounds with GPVI, COX‐1, and P2Y12, supporting its potential as a natural antiplatelet agent ...
Siwar Soltani, Asma Haffouz, Imed Koubaa, Ali Gargouri, Amira Jerbi, Ikram Ben Amor, Jalel Gargouri, Basma HadjKacem, Noureddine Allouche   +8 more
wiley   +1 more source

Relative DNA Concentration in Mouse Epidermis Treated with Carcinogens or Croton Oil

, 1971
Histophotometry of skin nuclei (stained by the Feulgen reaction) of newborn mice treated with the chemical carcinogens, 7,12-dimethylbenz(a)anthracene and urethan, and the promoting agent croton oil, revealed an early increase in DNA concentration in ...
Humberto Garcia, Silvia Leiva
core   +1 more source

Croton floribundus

, 2016
O material traz um quadro ilustrado com imagens e informações de Croton floribundus, árvore conhecida pelo nome popular “capinxingui”, uma espécie vegetal pioneira e útil para reflorestamento, e a sua relação com as abelhas frequentes nessa vegetação ...
Webbee
core   +1 more source

Anti-inflammatory activity of the methanolic extracts of leaves and stems from Tabebuia hypoleuca (C. Wright) Urb. [PDF]

Journal of Pharmacy & Pharmacognosy Research, 2015
Context: There are reports in the literature of species belonging to the genus Tabebuia with pharmacological potential as anti-inflammatory: Tabebuia avellanedae, Tabebuia chrysanta, Tabebuia rosea, Tabebuia ochracea, among others; however, about of the ...
Ada I. Regalado, Luz M. Sánchez, Betty Mancebo   +2 more
doaj  

Mechanical model simulation - a valuable technique for oil shale research [PDF]

, 2022
Report no. 67.72 AP.This is the third in a series of seven final summary reports covering specific research programs performed under the auspices of the Initial Program at Anvil Points.The U.S.

core