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Molecules, Volume 24, Issue 15

August-1 2019 - 180 articles

Cover Story: A new G-(H2L)-Pd heterogeneous catalyst for the Cu-free Sonogashira cross coupling reaction between iodobenzene and phenylacetylene has been prepared via a supramolecular self-assembly process consisting in the spontaneous adsorption, in water at room temperature, of a macrocyclic H2L ligand on graphene (G) (G + H2L = G-(H2L)), followed by decoration of the macrocycle with Pd2+ ions (G-(H2L) + Pd2+ = G-(H2L)-Pd) under the same mild conditions. G-(H2L)-Pd, shows an excellent conversion (90%) of reactants into diphenylacetylene under mild conditions (50 °C, water, aerobic atmosphere, 14 h). The catalyst proved to be reusable for at least four cycles, although decreasing yields down to 50% were observed. View this paper.
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Articles (180)

  • Article
  • Open Access
76 Citations
6,099 Views
11 Pages

Bioavailability and Bioactivity of Encapsulated Phenolics and Carotenoids Isolated from Red Pepper Waste

  • Jelena Vulić,
  • Vanja Šeregelj,
  • Ana Kalušević,
  • Steva Lević,
  • Viktor Nedović,
  • Vesna Tumbas Šaponjac,
  • Jasna Čanadanović-Brunet and
  • Gordana Ćetković

5 August 2019

In order to deactivate the health properties of bioactive compounds, they need to withstand the effects of food processing, their potential release from the food matrix, and remain bio-accessible in the gastrointestinal tract. Bio-actives from differ...

  • Article
  • Open Access
32 Citations
8,085 Views
10 Pages

5 August 2019

Fragment-based drug discovery (FBDD) has become a major strategy to derive novel lead candidates for various therapeutic targets, as it promises efficient exploration of chemical space by employing fragment-sized (MW < 300) compounds. One of the f...

  • Article
  • Open Access
18 Citations
4,932 Views
20 Pages

Dietary Curcumin Prevented Astrocytosis, Microgliosis, and Apoptosis Caused by Acute and Chronic Exposure to Ozone

  • Sendar Daniel Nery-Flores,
  • Mario Alberto Ramírez-Herrera,
  • María Luisa Mendoza-Magaña,
  • Marina María de Jesús Romero-Prado,
  • José de Jesús Ramírez-Vázquez,
  • Jacinto Bañuelos-Pineda,
  • Hugo Alejandro Espinoza-Gutiérrez,
  • Abraham Alberto Ramírez-Mendoza and
  • Mariana Chávez Tostado

5 August 2019

Ozone is the most oxidant tropospheric pollutant gas, causing damage through the formation of reactive oxygen and nitrogen species. Reactive species induce the nuclear factor-kappa B (NF-κB) activation leading to neuroinflammation characterized...

  • Feature Paper
  • Article
  • Open Access
21 Citations
5,838 Views
24 Pages

Non-Isothermal Crystallization Kinetics of Poly(4-Hydroxybutyrate) Biopolymer

  • Ina Keridou,
  • Luis J. del Valle,
  • Lutz Funk,
  • Pau Turon,
  • Lourdes Franco and
  • Jordi Puiggalí

5 August 2019

The non-isothermal crystallization of the biodegradable poly(4-hydroxybutyrate) (P4HB) has been studied by means of differential scanning calorimetry (DSC) and polarizing optical microscopy (POM). In the first case, Avrami, Ozawa, Mo, Cazé, an...

  • Feature Paper
  • Review
  • Open Access
35 Citations
7,606 Views
28 Pages

Proteasome Activation to Combat Proteotoxicity

  • Corey L. Jones and
  • Jetze J. Tepe

5 August 2019

Loss of proteome fidelity leads to the accumulation of non-native protein aggregates and oxidatively damaged species: hallmarks of an aged cell. These misfolded and aggregated species are often found, and suggested to be the culpable party, in numero...

  • Article
  • Open Access
29 Citations
4,817 Views
12 Pages

Green Extraction of Phenolic Acids from Artemisia argyi Leaves by Tailor-Made Ternary Deep Eutectic Solvents

  • Li Duan,
  • Chenmeng Zhang,
  • Chenjing Zhang,
  • Zijing Xue,
  • Yuguang Zheng and
  • Long Guo

5 August 2019

The Artemisia argyi leaf (AL) has been used as a traditional medicine and food supplement in China and other Asian countries for hundreds of years. Phytochemical studies disclosed that AL contains various bioactive constituents. Among bioactive const...

  • Article
  • Open Access
19 Citations
4,463 Views
13 Pages

5 August 2019

Recent studies have shown that soybean protein and its peptides have cholesterol-lowering activities. However, it is not clear whether these peptides could overcome physiological barriers, such as phase II metabolism in gastrointestinal tract and poo...

  • Article
  • Open Access
18 Citations
5,136 Views
7 Pages

Furocoumarin Content of Fennel—Below the Safety Threshold

  • Diána Kerekes,
  • Attila Csorba,
  • Beáta Gosztola,
  • Éva Németh-Zámbori,
  • Tivadar Kiss and
  • Dezső Csupor

5 August 2019

Furocoumarins are known for their phototoxic and potential carcinogenic effects. These types of compounds have previously been reported from fennel (Foeniculum vulgare Mill.), a widely used medicinal plant and spice; however, no reliable quantitative...

  • Article
  • Open Access
16 Citations
4,742 Views
13 Pages

Evolution of Polyphenols during Syrah Grapes Maceration: Time versus Temperature Effect

  • Chantal Ghanem,
  • Patricia Taillandier,
  • Ziad Rizk,
  • Nancy Nehme,
  • Jean Pierre Souchard and
  • Youssef El Rayess

5 August 2019

The effect of maceration time and temperature on the phenolic compounds of Syrah grape musts was studied. Pre-fermentation cold (10 °C) and heat maceration (60, 70 and 80 °C) were applied and compared to traditional maceration (control, 25 &d...

  • Article
  • Open Access
21 Citations
4,801 Views
15 Pages

5 August 2019

New quantitative structure–activity relationship (QSAR) models for bitter peptides were built with integrated amino acid descriptors. Datasets contained 48 dipeptides, 52 tripeptides and 23 tetrapeptides with their reported bitter taste thresho...

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Molecules - ISSN 1420-3049