Results 61 to 70 of about 4,825 (166)

Formation of isocyanates by deoxygenation of C-nitrosocarbonyl compounds [PDF]

open access: yes, 1982
The cycloadduct (1a) of 9,10-dimethylanthracene (2)(hereinafter referred to as DMA) and nitrosocarbonylbenzene decomposed in benzene at 80°C in the presence of triphenylphosphine to give DMA, triphenylphosphine oxide, and phenyl isocyanate in high yield.
Sharma , Ram P.   +2 more
core   +1 more source

Improvement of Bioactive Polyphenol Accumulation in Callus of Salvia atropatana Bunge

open access: yesMolecules
Callus cultures of the Iranian medicinal plant Salvia atropatana were initiated from three-week-old seedlings on Murashige and Skoog (MS) medium supplemented with α-naphthaleneacetic acid (NAA) and various cytokinins.
Izabela Grzegorczyk-Karolak   +5 more
doaj   +1 more source

Recent Advancements in Ambient‐Air Fabrication of Perovskite Solar Cells

open access: yesExploration, Volume 5, Issue 3, June 2025.
This review explores the fabrication of perovskite solar cells (PSCs) in ambient air, highlighting strategies to enhance their stability and performance. It discusses challenges such as degradation under environmental conditions and outlines methods for large‐scale manufacturing, offering insights into the commercialization and future development of ...
Yihuai Huang   +10 more
wiley   +1 more source

Quantification of phenylurea herbicides and their free and humic acid-associated metabolites in natural waters [PDF]

open access: yes, 1999
There is increasing interest in and demand for simultaneously monitoring pesticides as well as related degradation products (DPs) in natural waters, as the latter compounds can be even more toxic than the former ones.
SAMPERI R.   +9 more
core   +1 more source

Sorption of Sulfonamide Antibiotics in Peat Soils With Different Properties

open access: yesJournal of Plant Nutrition and Soil Science, Volume 188, Issue 3, Page 482-494, June 2025.
Sulfonamide antibiotics contaminate peat soils where they are sorbed to functional groups in a pH‐dependent manner that can be successfully described by QSAR. ABSTRACT Background Sulfonamide antibiotics have been discovered as emerging pharmaceutical pollutants worldwide and are only poorly removed in wastewater treatment.
Eric Mirenga, Sören Thiele‐Bruhn
wiley   +1 more source

Dual Function of the Cytochrome P450 CYP76 Family from Arabidopsis thaliana in the Metabolism of Monoterpenols and Phenylurea Herbicides [PDF]

open access: yes, 2014
International audienceComparative genomics analysis unravels lineage-specific bursts of gene duplications related to the emergence of specialized pathways. The CYP76C subfamily of cytochrome P450 enzymes is specific to Brassicaceae.
Boachon, Benoit   +12 more
core   +1 more source

Potential use of new diphenylurea derivativesin micropropagation of Capparis spinosa L. [PDF]

open access: yes, 2012
A protocol for in vitro multiplication of caper (Capparis spinosa L. subsp. rupestris) from nodal segments collected from mature plants was developed.
Beatrice Del Signore   +4 more
core   +3 more sources

Occurrence of herbicides and their transformation products in sewage sludge: a review

open access: yesPlant, Soil and Environment
The beneficial reuse of sewage sludge in agricultural soils is limited by the accumulation of micropollutants of emerging concern, which may pose significant environmental and human health risks.
Madhusha Mihirani Subasinghe   +4 more
doaj   +1 more source

The Latest Advances in Mechanically Robust Self‐Healing Polyurea Based on Dynamic Chemistry

open access: yesAdvanced Science, Volume 12, Issue 19, May 22, 2025.
Solving the contradiction between strength, toughness, and self‐healing properties is extremely important to realize the breakthrough of polyurea applications. This review summarizes and discusses common strategies for the preparation of high‐performance and self‐healing polyurea materials based on dynamic chemistry, providing molecular‐level insights ...
Yujia Hao, Guangming Zhu
wiley   +1 more source

SINTESIS SENYAWA TURUNAN N-BENZOIL-N’- FENILUREA DAN HUBUNGAN KUANTITATIF STRUKTURAKTIVITAS SITOTOKSIK TERHADAP SEL HELA [PDF]

open access: yes, 2018
According to some research, urea has a pharmacophore for cytotoxic activity, so four analogs of N-benzoyl-N’-phenylurea (i.e N-benzoyl-N’- phenylurea; N-(4-methylbenzoyl)-N’-phenylurea; N-(4-methoxybenzoyl)-N’- phenylurea; N-(4-tertiary-butylbenzoyl ...
M. ARTABAH MUCHLISIN, 051324153002
core  

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