Results 31 to 40 of about 31,806 (308)

Structure elucidation of some highly unusual tricyclic cis-caryophyllane sesquiterpenes from Marasmiellus troyanus

open access: yes, 2010
Three new unusual sesquiterpenes (1–3) were isolated from the tropical rainforest basidiomycete, Marasmiellus troyanus and their structure elucidation was achieved by NMR spectroscopy, single-crystal Xray structural analysis and a modified Mosher’s ester
Hedger, J.N.   +20 more
core   +1 more source

Chemical Composition, Antioxidant and Cytotoxicity Activities of Leaves, Bark, Twigs and Oleo-Resin of Dipterocarpus alatus

open access: yesMolecules, 2019
Dipterocarpus alatus (Dipterocarpaceae) is a medicinal plant whose use is well known for the treatment of genito-urinary diseases. However, there is no report of its cytotoxic potential.
Chawalit Yongram   +3 more
doaj   +1 more source

Underground Signals: The Ecological Power of Root Volatiles

open access: yesAdvanced Science, EarlyView.
Root volatiles mediate rhizosphere chemical communication, shaping interactions among plants, microbes, herbivores, and natural enemies. Their production, transport, and perception underpin ecological adaptation, multitrophic interactions, and plant resilience, offering opportunities for sustainable crop protection, resilient agroecosystems, and ...
Xueyao Cao   +31 more
wiley   +1 more source

Sesquiterpenes in cancer therapy [PDF]

open access: yes, 2017
Charles University Faculty of Pharmacy in Hradec Králové Department of Biochemical Sciences Candidate: Mgr. Martin Ambrož Supervisor: Prof. RNDr. Lenka Skálová, Ph.D. Title of Doctoral Thesis: Sesquiterpenes in cancer therapy.
Ambrož, Martin
core   +1 more source

Identification of volatile compounds from three species of Cyathodium (Marchantiophyta: Cyathodiaceae) and Leiosporoceros dussii(Anthocerotophyta: Leiosporocerotaceae) from Panama, and C. foetidissimum from Costa Rica.

open access: yesBoletín de la Sociedad Argentina de Botánica, 2017
Cyathodium is a thalloid marchantialean liverwort with five species reported for the Neotropics. Three species that occur in Panama (C. bischlerianum, C. spruceanum, C. cavernarum) and one from Costa Rica (C.
Noris Salazar Allen   +4 more
doaj   +1 more source

Potential Implications of the Sesquiterpene Presence over the Remote Marine Boundary Layer in the Arctic Region

open access: yesAtmosphere, 2023
We present reactive VOC observations over the North Pacific and the Arctic Ocean from airborne and shipborne measurements, investigating, in particular, distributions of biogenic volatile organic compounds that may be emitted from phytoplankton.
Keyhong Park   +7 more
doaj   +1 more source

Isolamento de metabólitos halogenados de Laurencia catarinensis e Laurencia dendroidea de Santa Catarina, Brasil [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmácia, Florianópolis, 2014.Algas vermelhas do complexo Laurencia são encontradas em todo o mundo e produzem uma enorme ...
Wanke, Tauana
core  

Brominated Selinane Sesquiterpenes from the Marine Brown Alga Dictyopteris divaricata

open access: yes, 2009
Two new brominated selinane sesquiterpenes, 1-bromoselin-4(14),11-diene (1) and 9-bromoselin-4(14),11-diene (2), one known cadinane sesquiterpene, cadalene (3), and four known selinane sesquiterpenes, α-selinene (4), β-selinene (5), β-dictyopterol (6 ...
Nai-Yun Ji   +11 more
core   +1 more source

Molecular Editing Reveals a Bilobalide Chemotype that Attenuates Prolyl Endopeptidase (PREP)‐Linked Neuroinflammation

open access: yesAdvanced Science, EarlyView.
Molecular editing of bilobalide uncovers BB56, a PREP‐engaging chemotype with enhanced anti‐inflammatory activity in microglia. Integrated CETSA‐MS, SAR, and pathway analyses link BB56 to attenuation of p38 MAPK/NF‐κB and NLRP3‐associated inflammatory signaling, highlighting bilobalide editing as a strategy for developing neuroinflammation‐modulating ...
Chanin Sillapachaiyaporn   +20 more
wiley   +1 more source

Variation of essential oil composition of Tapirira guianensis Aubl. (Anacardiaceae) from two sandbank forests, north of Brazil

open access: yesQuímica Nova, 2014
Tapirira guianensis (Anacardiaceae) is used in traditional medicine and is important for the recovery of degraded areas and riparian forests because the T. guianensis fruits are highly consumed by wildlife.
Maria das Graças Bichara Zoghbi   +3 more
doaj   +1 more source

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