Results 61 to 70 of about 5,580 (187)

Modeling of HCHO and CHOCHO at a semi-rural site in southern China during the PRIDE-PRD2006 campaign [PDF]

Atmospheric Chemistry and Physics, 2014
HCHO and CHOCHO are important trace gases in the atmosphere, serving as tracers of VOC oxidations. In the past decade, high concentrations of HCHO and CHOCHO have been observed for the Pearl River Delta (PRD) region in southern China.
X. Li, F. Rohrer, T. Brauers, A. Hofzumahaus, K. Lu, M. Shao, Y. H. Zhang, A. Wahner   +7 more
doaj   +1 more source

A walk in the park—Identifying healthy greenspaces using scents

PLANTS, PEOPLE, PLANET, EarlyView.
As urbanisation accelerates globally, access to nature is increasingly recognised as vital for public health and wellbeing. We captured and analysed plant‐emitted airborne ‘scent signatures’ across Oxford's urban greenspaces to assess their potential health relevance.
William T. Kay, Anya Lindström Battle, Mahal Humberstone, Molly Tucker, Kieran E. Storer, Geoffrey Kite, Katherine Willis   +6 more
wiley   +1 more source

Natural Products as Modulators of ABC Transporters in Breast Cancer

Phytotherapy Research, EarlyView.
ABSTRACT Breast cancer remains a significant global health challenge, with high incidence and mortality rates despite advancements in early detection and treatment. Multidrug resistance (MDR), particularly in aggressive subtypes like triple‐negative breast cancer (TNBC), continues to hinder effective therapy.
Yoganishalini Sagadevan, Reyhaneh Farghadani, Ammu K. Radhakrishnan   +2 more
wiley   +1 more source

Isoprene degradation in soil: evidence for competition between chemical and biological degradation in response to isoprene priming

Geo-Bio Interfaces
Abstract The degradation of isoprene – a prevalent volatile organic compound (VOC) – in soil has primarily been attributed as a microbial process, but chemical degradation may also play a role. Separating simultaneous abiotic and biotic degradation pathways under representative conditions has been a technical ...
Parker N. Geffre, Jordan Krechmer, David H. Hagan, Juliana Gil-Loaiza, Linnea K. Hernandez, Joanne H. Shorter, Joseph R. Roscioli, Laura K. Meredith   +7 more
openaire   +1 more source

Organic nitrate chemistry and its implications for nitrogen budgets in an isoprene- and monoterpene-rich atmosphere: constraints from aircraft (SEAC⁴RS) and ground-based (SOAS) observations in the Southeast US [PDF]

Atmospheric Chemistry and Physics, 2016
Formation of organic nitrates (RONO2) during oxidation of biogenic volatile organic compounds (BVOCs: isoprene, monoterpenes) is a significant loss pathway for atmospheric nitrogen oxide radicals (NOx), but the chemistry of RONO2 formation and ...
J. A. Fisher, J. A. Fisher, D. J. Jacob, D. J. Jacob, K. R. Travis, P. S. Kim, E. A. Marais, C. Chan Miller, K. Yu, L. Zhu, R. M. Yantosca, M. P. Sulprizio, J. Mao, J. Mao, P. O. Wennberg, P. O. Wennberg, J. D. Crounse, A. P. Teng, T. B. Nguyen, T. B. Nguyen, J. M. St. Clair, J. M. St. Clair, R. C. Cohen, R. C. Cohen, P. Romer, B. A. Nault, B. A. Nault, P. J. Wooldridge, J. L. Jimenez, J. L. Jimenez, P. Campuzano-Jost, P. Campuzano-Jost, D. A. Day, D. A. Day, W. Hu, W. Hu, P. B. Shepson, P. B. Shepson, F. Xiong, D. R. Blake, A. H. Goldstein, A. H. Goldstein, P. K. Misztal, T. F. Hanisco, G. M. Wolfe, G. M. Wolfe, T. B. Ryerson, A. Wisthaler, A. Wisthaler, T. Mikoviny   +49 more
doaj   +1 more source

Bioactive Natural Products in Cardiovascular Disease: Focus on Thrombotic Events

Phytotherapy Research, EarlyView.
An overview of the role of natural products (NP) in cardiovascular disease prevention, highlighting key mechanisms of action: including antiplatelet, antithrombotic, anti‐inflammatory, and antioxidant effects. Additionally, it illustrates the integration of diet–drug interactions, nutritional epigenetics, and the role of artificial intelligence in ...
Maria Nektaria Magkoulia, Despoina Pantazi   +1 more
wiley   +1 more source

Synergistic enhancement SPF from annatto seed oil and alkaline extracts in association with organic UV filters

International Journal of Cosmetic Science, EarlyView.
An SPF formulation incorporating Bixa orellana seed extracts and oils showed enhanced UV protection, highlighting the potential of natural bioactive compounds as effective boosters in photoprotective cosmetic products. Abstract Objective This study investigated the antioxidant activity of oil and alkaline aqueous extracts obtained from Bixa orellana ...
Ister Cordeiro Mariotini, Aliny Rodrigues de Jesus da Conceição, Rodrigo Rezende Kitagawa, Bernardo de Jesus Pavuna, Claudia Masrouah Jamal, Claudineia Aparecida Sales de Oliveira Pinto, André Rolim Baby, Fabiana Vieira Lima Solino Pessoa, Mariana Santos Pinheiro   +8 more
wiley   +1 more source

DEGRADATION OF NATURAL AND SYNTHETIC RUBBER BY Gordonia alkanivorans STRAIN E1 [PDF]

Journal of Agricultural Chemistry and Biotechnology, 2013
A bacterium isolated from soil sample contaminated by old tire rubber in Qena governorate, Egypt. It was shown to be able to utilize natural rubber (NR) latex, synthetic poly (cis-1,4-isoprene) and other isopronoid compounds as a sole carbon source and ...
T. M. El-ameen, E. M. A. Ibrahim
doaj   +1 more source

Volatile Organic Compounds Emitted by Fungi Have Substantial Effects on Growth and Disease Resistance in Arabidopsis thaliana

Plant, Cell &Environment, EarlyView.
ABSTRACT Volatile organic compounds (VOCs) emitted by certain fungi have previously been suggested to modulate plant development and their response to stresses. While some fungal species, such as Trichoderma harzianum, are known to produce VOCs, the production of VOCs in other phylogenetically divergent species, such as Mucor mucedo, was previously ...
Sara Yugueros, Asier Largo‐Gosens, Cristina Úbeda, Cristina Hernández‐Fernández, Alba Manga‐Robles, Diego Rebaque, Antonio Encina, Hugo Mélida   +7 more
wiley   +1 more source

Role of convection in determining the budget of odd hydrogen in the upper troposphere

, 1999
This paper presents a model study of the changes in upper tropospheric HOx ( = OH + HO2) due to upward convective transport of surface pollutants. The model used is a three-dimensional global Lagrangian tropospheric chemistry transport model of 70 ...
Collins, W. J., Stevenson, D. S.; id_orcid, Derwent, R. G., Johnson, C. E.   +3 more
core   +1 more source