Results 41 to 50 of about 14,695 (216)

Isoprene: An Antioxidant Itself or a Molecule with Multiple Regulatory Functions in Plants?

open access: yesAntioxidants, 2021
Isoprene (C5H8) is a small lipophilic, volatile organic compound (VOC), synthesized in chloroplasts of plants through the photosynthesis-dependent 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway.
Susanna Pollastri   +2 more
doaj   +1 more source

Isoprene emission characteristics of tall and dwarf bamboos

open access: yesAtmospheric Environment: X, 2021
Considerable isoprene emissions from several bamboo species have been reported. However, bamboos are highly diverse in taxonomy and have different niches or habitats among species, and the present investigation might be insufficient to conclude a ...
Ting-Wei Chang   +8 more
doaj   +1 more source

A Two-Decade Anthropogenic and Biogenic Isoprene Emissions Study in a London Urban Background and a London Urban Traffic Site

open access: yesAtmosphere, 2018
A relationship between isoprene and 1,3-butadiene mixing ratios was established to separate the anthropogenic and biogenic fractions of the measured isoprene in London air in both urban background (Eltham) and urban traffic (Marylebone Road) areas over ...
M. Anwar H. Khan   +9 more
doaj   +1 more source

Methanol and isoprene emissions from the fast growing tropical pioneer species Vismia guianensis (Aubl.) Pers. (Hypericaceae) in the central Amazon forest [PDF]

open access: yesAtmospheric Chemistry and Physics, 2016
Isoprene (Is) emissions by plants represent a loss of carbon and energy resources leading to the initial hypothesis that fast growing pioneer species in secondary tropical forests allocate carbon primarily to growth at the expense of isoprenoid ...
K. J. Jardine   +16 more
doaj   +1 more source

Comprehensive Characterization of Acer truncatum Leaf Extract: Identification of Systemic Metabolites and Effects on Performance, Antioxidant Status, and Intestinal Microbiota in Laying Hens

open access: yesAnimal Research and One Health, EarlyView.
Dietary A. truncatum leaf extract is absorbed and improves laying performance in aged hens by enhancing systemic antioxidant capacity and modulating the gut microbiota. ABSTRACT The demand for natural feed additives is considerably increasing in the antibiotic‐free feed era.
Kailong Qin   +6 more
wiley   +1 more source

Synergetic Effects of Isoprene and HOx on Biogenic New Particle Formation

open access: yesGeophysical Research Letters, 2023
New particle formation (NPF) has been observed at various locations, but NPF does not occur in isoprene‐dominant forests. Recent laboratory studies were conducted to understand the role of isoprene in biogenic NPF, and these studies show that isoprene ...
Lee Tiszenkel, Shan‐Hu Lee
doaj   +1 more source

Alkali‐Metal Base Catalyzed Electrocyclization of Isoprene Derivatives

open access: yesChemistry – A European Journal, EarlyView.
Simple and abundant alkali‐metal base catalysis in combination with Lewis basic polyamines enables the electrocyclization of isoprene‐derived trienes to cycloheptadienes under neat conditions. Mechanistic insight supported by DFT guides a scalable route to seven‐membered carbocycles which, after reduction, give saturated cycloalkanes relevant as ...
Mikaël Le Roch   +3 more
wiley   +1 more source

Flexibilizing inorganic thermoelectrics

open access: yesFlexMat, EarlyView.
This perspective reviews advances in flexible inorganic thermoelectric materials, covering ductile bulks, thin films, and fibers/yarns. It highlights strategies like warm metalworking, van der Waals material screening, orientation and sandwich engineering, and device integration, offering pathways to combine flexibility and performance for wearable ...
Xiao‐Lei Shi   +3 more
wiley   +1 more source

Rewiring nutrition: Chemical insights into the physiological and microbiological roles of food's microconstituents

open access: yesFood Biomacromolecules, EarlyView.
Bidirectional interactions between food‐derived sensory compounds, gut sensing and microbiota, host physiological feedback, and metabolite production within the food matrix collectively shape sensory perception, microbial dynamics, and metabolic health.
Mohammad Nazrul Islam Bhuiyan
wiley   +1 more source

Eco‐Friendly Surfactants From Pithecellobium dulce: Extraction, Characterization and Surface Activity

open access: yesJournal of Surfactants and Detergents, EarlyView.
Schematic representation of the comprehensive analysis of saponins extracted form of Pithecellobium dulce (Roxb.) Benth. ABSTRACT The widespread use of synthetic surfactants in industrial and domestic applications has raised environmental concerns due to their biodegradability and ecological issues.
Susmita Gudulkar   +4 more
wiley   +1 more source

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