Advanced Search
Display options
Filter resources
Text Availability
Article type
Publication date
Species
Language
Sex
Age
Showing 9985 to 9996 of 11189 entries
Sorted by: Best Match Show Resources per page
Environmental trade-offs of renewable jet fuels in Brazil: Beyond the carbon footprint.

The Science of the total environment

Capaz RS, de Medeiros EM, Falco DG, Seabra JEA, Osseweijer P, Posada JA.
PMID: 31982744
Sci Total Environ. 2020 Apr 20;714:136696. doi: 10.1016/j.scitotenv.2020.136696. Epub 2020 Jan 15.

The use of renewable jet fuels (RJFs) is an option for meeting the greenhouse gases (GHG) reduction targets of the aviation sector. Therefore, most of the studies have focused on climate change indicators, but other environmental impacts have been...

Mechanistic and Synthetic Implications of the Diol-Ritter Reaction: Unexpected Yet Reversible Pathways in the Regioselective Synthesis of Vicinal-Aminoalcohols.

The Journal of organic chemistry

Ondari ME, Klosin J, Froese RDJ, Kruper WR, MacDonald J, Arriola DJ, Bell BM, Briggs JR, Kruper WJ.
PMID: 30428673
J Org Chem. 2019 Apr 19;84(8):4715-4722. doi: 10.1021/acs.joc.8b02320. Epub 2018 Nov 30.

The Ritter reaction of 1,2-diolmonoesters with nitriles to 1- vic-amido-2-esters proceeds through dioxonium and nitrilium cation intermediates. To provide the basis for the reaction mechanism, novel forms of these cations were isolated, characterized, and studied by spectroscopic methods and...

Selective Photocatalytic C-F Borylation of Polyfluoroarenes by Rh/Ni Dual Catalysis Providing Valuable Fluorinated Arylboronate Esters.

Journal of the American Chemical Society

Tian YM, Guo XN, Kuntze-Fechner MW, Krummenacher I, Braunschweig H, Radius U, Steffen A, Marder TB.
PMID: 30474979
J Am Chem Soc. 2018 Dec 19;140(50):17612-17623. doi: 10.1021/jacs.8b09790. Epub 2018 Dec 11.

A highly selective and general photocatalytic C-F borylation protocol that employs a rhodium biphenyl complex as a triplet sensitizer and the nickel catalyst [Ni(IMes)

Furan-2,5- and Furan-2,3-dicarboxylate Esters Derived from Marine Biomass as Plasticizers for Poly(vinyl chloride).

ACS omega

Nguyen T, Kim YJ, Park SK, Lee KY, Park JW, Cho JK, Shin S.
PMID: 31956766
ACS Omega. 2019 Dec 31;5(1):197-206. doi: 10.1021/acsomega.9b02448. eCollection 2020 Jan 14.

Esters of furan dicarboxylic acids (DAFs) were synthesized by a one-pot reaction between marine biomass-derived galactaric acid and bioalcohol under solvent-free conditions and were fully characterized. The catalyst amount could be reduced without loss of reaction yields using

Preparation of a Series of Supported Nonsymmetrical PNP-Pincer Ligands and the Application in Ester Hydrogenation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Konrath R, Spannenberg A, Kamer PCJ.
PMID: 31495988
Chemistry. 2019 Dec 02;25(67):15341-15350. doi: 10.1002/chem.201903379. Epub 2019 Nov 04.

In contrast to their symmetrical analogues, nonsymmetrical PNP-type ligand motifs have been less investigated despite the modular pincer structure. However, the introduction of mixed phosphorus donor moieties provides access to a larger variety of PNP ligands. Herein, a facile...

Few Layer Graphene Does Not Affect Cellular Homeostasis of Mouse Macrophages.

Nanomaterials (Basel, Switzerland)

Malanagahalli S, Murera D, Martín C, Lin H, Wadier N, Dumortier H, Vázquez E, Bianco A.
PMID: 32013038
Nanomaterials (Basel). 2020 Jan 28;10(2). doi: 10.3390/nano10020228.

No abstract available.

Pathology-specific molecular profiles of saliva in patients with multiple dental caries-potential application for predictive, preventive and personalised medical services.

The EPMA journal

Seredin P, Goloshchapov D, Ippolitov Y, Vongsvivut P.
PMID: 29896318
EPMA J. 2018 Apr 25;9(2):195-203. doi: 10.1007/s13167-018-0135-9. eCollection 2018 Jun.

BACKGROUND: Improving the quality of life is part of the global agenda. The focus is predominantly on prevention of socially significant diseases. Combating dental caries-related diseases is a top priority as it has a huge impact on people's social...

Hierarchical Structure and Thermal Property of Starch-Based Nanocomposites with Different Amylose/Amylopectin Ratio.

Polymers

Zhang S, Zhu J, Liu Y, Zou SY, Li L.
PMID: 30960325
Polymers (Basel). 2019 Feb 15;11(2). doi: 10.3390/polym11020342.

Starch-based materials with reinforced properties were considered as one of the most promising materials to replace the petro-based packaging products, and actually, the molecular structures of starch usually determined the structures and properties of end-used starchy products. Here, starch-based...

Stability of Flavonoid, Carotenoid, Soluble Sugar and Vitamin C in 'Cara Cara' Juice during Storage.

Foods (Basel, Switzerland)

Lu Q, Li L, Xue S, Yang, Wang S.
PMID: 31527534
Foods. 2019 Sep 16;8(9). doi: 10.3390/foods8090417.

In view of understanding the stability of sterilized 'Cara Cara' juice during storage, the changes of specific quality parameters (flavonoid, carotenoid, vitamin C, soluble sugar and antioxidant activities) of 'Cara Cara' juice were systematically investigated over the course of...

Antimicrobial LDPE/EVOH Layered Films Containing Carvacrol Fabricated by Multiplication Extrusion.

Polymers

Krepker M, Zhang C, Nitzan N, Prinz-Setter O, Massad-Ivanir N, Olah A, Baer E, Segal E.
PMID: 30960789
Polymers (Basel). 2018 Aug 04;10(8). doi: 10.3390/polym10080864.

This work describes the fabrication of antimicrobial multilayered polymeric films containing carvacrol (used as a model essential oil) by co-extrusion and multiplication technique. The microlayering process was utilized to produce films, with up to 65 alternating layers, of carvacrol-containing...

Diels⁻Alder-Crosslinked Polymers Derived from Jatropha Oil.

Polymers

Iqbal M, Knigge RA, Heeres HJ, Broekhuis AA, Picchioni F.
PMID: 30961102
Polymers (Basel). 2018 Oct 22;10(10). doi: 10.3390/polym10101177.

Methyl oleate, methyl linoleate, and jatropha oil were fully epoxidized using in situ-generated performic acid. The epoxidized compounds were further reacted with furfurylamine in a solvent-free reaction to obtain furan-functionalized fatty esters which, then, functioned as oligomers for a...

Esters as Radical Acceptors: β-NHC-Borylalkenyl Radicals Induce Lactonization by C-C Bond Formation/Cleavage on Esters.

Angewandte Chemie (International ed. in English)

Shimoi M, Maeda K, Geib SJ, Curran DP, Taniguchi T.
PMID: 30891902
Angew Chem Int Ed Engl. 2019 May 06;58(19):6357-6361. doi: 10.1002/anie.201902001. Epub 2019 Apr 04.

Substituted propargyl acetates are converted into 4-boryl-2(5H)-furanones upon thermolysis in the presence of an N-heterocyclic carbene borane (NHC-borane) and di-tert-butyl peroxide. The acetyl methyl group is lost during the reaction as methane. Evidence suggests that the reaction proceeds by...

Showing 9985 to 9996 of 11189 entries