Results 21 to 30 of about 49,362 (338)

Update on Monoterpenes from Red Macroalgae: Isolation, Analysis, and Bioactivity

open access: yesMarine Drugs, 2019
Macroalgae produce a wide range of monoterpenes as secondary metabolites of mevalonate (MVA) and/or methylerythritol phosphate (MEP) pathway (often including haloperoxidase action).
Ana-Marija Cikoš   +4 more
doaj   +1 more source

Organosulfate Formation in Biogenic Secondary Organic Aerosol [PDF]

open access: yes, 2008
Organosulfates of isoprene, α-pinene, and β-pinene have recently been identified in both laboratory-generated and ambient secondary organic aerosol (SOA).
Chan, Arthur W. H.   +13 more
core   +1 more source

Preparation of Ecofriendly Formulations Containing Biologically Active Monoterpenes with Their Fumigant and Residual Toxicities against Adults of Culex pipiens

open access: yesJournal of Tropical Medicine, 2016
Different mixtures of monoterpenes (ketone, alcohol, and alkene) were loaded on paper discs and wax and their knockdown activities were evaluated against Culex pipiens adults.
Mohamed E. I. Badawy   +4 more
doaj   +1 more source

Seasonal measurements of total OH reactivity fluxes, total ozone loss rates and missing emissions from Norway spruce in 2011 [Discussion paper] [PDF]

open access: yes, 2012
Numerous reactive volatile organic compounds (VOCs) are emitted into the atmosphere by vegetation. Most biogenic VOCs are highly reactive towards the atmosphere's most important oxidant, the hydroxyl (OH) radical.
Bonn, Boris   +5 more
core   +1 more source

Adaptation of hydroxymethylbutenyl diphosphate reductase enables volatile isoprenoid production

open access: yeseLife, 2020
Volatile isoprenoids produced by plants are emitted in vast quantities into the atmosphere, with substantial effects on global carbon cycling. Yet, the molecular mechanisms regulating the balance between volatile and non-volatile isoprenoid production ...
Mareike Bongers   +7 more
doaj   +1 more source

Solubilization of polystyrene into monoterpenes [PDF]

open access: yesAdvances in Polymer Technology, 2008
AbstractThe ability of certain monoterpenes from the essential oils of Abies sachalinensis and Eucalyptus species to dissolve polystyrene (PS) was studied. These two essential oils themselves were also examined. The aim of this study is to recycle PS without a melting process and without using petroleum‐derived solvents.
Hisayuki Nakatani   +7 more
openaire   +1 more source

Insecticidal Effects of Monoterpenes on Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae)

open access: yesJournal of Applied Botany and Food Quality, 2013
Twenty eight monoterpenes including monoterpene hydrocarbons and oxygenated monoterpenes (borneol, borynl acetate, camphene, camphor, 3-carene, carvone, 1,8-cineole, citronellal, β-citronellene, β-citronellol, dihydrocarvone, fenchol, fenchone, geranyl ...
Erol Yildirim   +2 more
doaj   +1 more source

Carbocations and the Complex Flavor and Bouquet of Wine: Mechanistic Aspects of Terpene Biosynthesis in Wine Grapes. [PDF]

open access: yes, 2015
Computational chemistry approaches for studying the formation of terpenes/terpenoids in wines are presented, using five particular terpenes/terpenoids (1,8-cineole, α-ylangene, botrydial, rotundone, and the wine lactone), volatile compounds (or their ...
Pemberton, Ryan P   +2 more
core   +2 more sources

Comparison of terpene components from flowers of Artemisia annua

open access: yesBangladesh Journal of Pharmacology, 2012
Terpene constituents of essential oils obtained by steam distillation from Artemisia annua flowers at the pre-, full- and post-flowering stage was investigated by gas chromatography (GC) and gas chromatography-mass spectrometric detector (GC-MS). The aim
Zhan-Nan Yang   +2 more
doaj   +1 more source

Can seedlings of Norway spruce (Picea abies L. H. Karst.) populations withstand changed climate conditions?

open access: yesPhotosynthetica, 2023
A manipulative experiment with two different water regimes was established to identify the variability of physiological responses to environmental changes in 5-year-old Norway spruce provenances in the Western Carpathians.
H. HÚDOKOVÁ   +8 more
doaj   +1 more source

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