Results 31 to 40 of about 2,527,575 (169)

Identification of Chemical Composition and Metal Determination of Retama raetam (Forssk) Stem Constituents Using ICP-MS, GC-MS-MS, and DART-MS

open access: yesJournal of Analytical Methods in Chemistry, 2021
This study aims to investigate the chemical constituents of the stem of Retama raetam growing in Saudi Arabia. The organic and inorganic composition of ethanol extract of R.
Wedad Al-Onazi   +3 more
doaj   +1 more source

Chromatographic and mass spectrometric characteristics of monoesters of phthalic acid [PDF]

open access: yes, 2016
In contrary to the widespread and thoroughly characterized disubstituted esters of benzene-1,2- dicarboxylic (phthalic) acid, their primary metabolites — monosubstituted esters of phthalic acid — have not yet to be characterized with standard mass ...
Zenkevich, Igor G.   +1 more
core   +1 more source

Plasticizers: Synthesis of phthalate esters via FeCl3-catalyzed nucleophilic addition of alcohols to phthalic anhydride

open access: yesResults in Chemistry, 2021
Phthalates are esters of phthalic anhydride. Phthalic anhydride (1) has been reacted with alcohols 2 to synthesize phthalate monoesters 3 and diesters 4 with the favor of latter compound that primarily used as plasticizers worldwide.
Gan B. Bajracharya   +5 more
doaj   +1 more source

Sunscreen‐Inspired Nano‐Pesticide for UV‐Shielding and Laccase‐Responsive Delivery of Mancozeb With Enhanced Fungicidal Efficacy and Ecological Safety

open access: yesAdvanced Science, EarlyView.
The sunscreen‐inspired nano‐pesticide, MCB@URFSL, provides UV‐shielding, enhanced rainfastness, and laccase‐responsive delivery for improved fungicidal efficacy and high ecological safety. ABSTRACT Fungicides are a crucial tool for protecting crops and ensuring consistent food supply.
Jin Yan   +10 more
wiley   +1 more source

Phthalic Acid Chemical Probes Synthesized for Protein-Protein Interaction Analysis

open access: yes, 2013
Plasticizers are additives that are used to increase the flexibility of plastic during manufacturing. However, in injection molding processes, plasticizers cannot be generated with monomers because they can peel off from the plastics into the surrounding
Wei-Ting Liao   +5 more
core   +1 more source

Synthesis and characterization of amphiphilic nitroxide 1,1,3,3–tetraethylisoindoline–2–oxyl–5–sodium sulfonate (TEIOSNa)

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal   +3 more
wiley   +1 more source

Contamination and remediation of phthalic acid esters in agricultural soils in China: a review

open access: yes, 2015
International audiencePhthalic acid esters have been used as plasticizers in numerous products and classified as endocrine-disrupting compounds. As China is one of the largest consumers of phthalic acid esters, some human activities may lead to the ...
Gielen, Gerty   +6 more
core   +1 more source

2-Amino-5-chloropyridinium 2-carboxybenzoate–benzene-1,2-dicarboxylic acid (3/1)

open access: yesActa Crystallographica Section E, 2010
The asymmetric unit of the title compound, 3C5H6ClN2+·3C8H5O4−·C8H6O4, contains three independent 2-amino-5-chloropyridinium cations, three independent hydrogen phthalate anions and one phthalic acid molecule.
Hoong-Kun Fun, Madhukar Hemamalini
doaj   +1 more source

Circular and Bio‐Sourced Polymers for Energy Applications: Natural Feedstocks, Recycling, and Upcycling Routes

open access: yesEcoEnergy, EarlyView.
This review provides a critical comparative analysis of circular and bio‐sourced polymers for energy storage, systematically evaluating natural feedstocks alongside recycling and upcycling strategies for battery components. Key structure–property–performance relationships and inherent trade‐offs between sustainability metrics and electrochemical ...
Priyank Sinha   +3 more
wiley   +1 more source

The concentrations of phthalic acid esters in a water bath at sous-vide heat treatment [PDF]

open access: yes, 2019
Esters of phthalic acid are common contaminants of the environment because of their large application in plastics. Phthalic acid esters are used as plasticizers in plastics, and they are also used in plastic intended for contact with food.
Kamení­k, Jozef   +4 more
core   +1 more source

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