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Molecules, Volume 28, Issue 5

March-1 2023 - 418 articles

Cover Story: A structurally new, carbon-free hexadecanuclear Ni-containing silicotungstate has been facilely synthesized using a one-pot, solution-based synthetic method systematically characterized by single-crystal X-ray diffraction and other techniques. While coupling with a [Ir(coumarin)2(dtbbpy)][PF6] photosensitizer and a triethanolamine (TEOA) sacrificial electron donor, the title polyoxoanion works as a noble-metal-free catalyst for hydrogen generation under visible light irradiation, achieving a turnover number of 842 after 6-hour photocatalysis. This work presents another good example of using Ni-substituted polyoxometalates (POMs) for catalytic hydrogen evolution, which provides insights for future design of high-nuclearity metal-containing POMs catalysts for solar energy conversion. View this paper
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Articles (418)

  • Article
  • Open Access
11 Citations
4,538 Views
21 Pages

Aspirin-Triggered Resolvin D1 (AT-RvD1) Protects Mouse Skin against UVB-Induced Inflammation and Oxidative Stress

  • Cristina P. B. Melo,
  • Priscila Saito,
  • Renata M. Martinez,
  • Larissa Staurengo-Ferrari,
  • Ingrid C. Pinto,
  • Camilla C. A. Rodrigues,
  • Stephanie Badaro-Garcia,
  • Josiane A. Vignoli,
  • Marcela M. Baracat and
  • Allan J. C. Bussmann
  • + 3 authors

Intense exposure to UVB radiation incites excessive production of reactive oxygen species (ROS) and inflammation. The resolution of inflammation is an active process orchestrated by a family of lipid molecules that includes AT-RvD1, a specialized pro...

  • Article
  • Open Access
19 Citations
5,094 Views
14 Pages

Anti-Inflammatory Activity of Panax notoginseng Flower Saponins Quantified Using LC/MS/MS

  • Junchen Liu,
  • Yuehang Wu,
  • Wenrui Ma,
  • Hongyan Zhang,
  • Xianyao Meng,
  • Huirong Zhang,
  • Miaomiao Guo,
  • Xiao Ling and
  • Li Li

Panax notoginseng (Burk) F. H. Chen is a traditional Chinese medicinal and edible plant. However, Panax notoginseng flower (PNF) is rarely used. Therefore, the purpose of this study was to explore the main saponins and the anti-inflammatory bioactivi...

  • Review
  • Open Access
142 Citations
18,750 Views
31 Pages

Therapeutic Effects of Coumarins with Different Substitution Patterns

  • Virginia Flores-Morales,
  • Ana P. Villasana-Ruíz,
  • Idalia Garza-Veloz,
  • Samantha González-Delgado and
  • Margarita L. Martinez-Fierro

The use of derivatives of natural and synthetic origin has gained attention because of their therapeutic effects against human diseases. Coumarins are one of the most common organic molecules and are used in medicine for their pharmacological and bio...

  • Article
  • Open Access
7 Citations
4,613 Views
12 Pages

Isolation and Characterization of an Unknown Process-Related Impurity in Furosemide and Validation of a New HPLC Method

  • Ao Xu,
  • Yunlin Xue,
  • Yuyu Zeng,
  • Jing Li,
  • Huiling Zhou,
  • Zhen Wang,
  • Yin Chen,
  • Hui Chen,
  • Jian Jin and
  • Tao Zhuang

Furosemide is a widely used loop diuretic in the treatment of congestive heart failure and edema. During the preparation of furosemide, a new process-related impurity G in the levels ranging from 0.08% to 0.13% was detected in pilot batches by a new...

  • Article
  • Open Access
10 Citations
3,300 Views
12 Pages

Mitochondrial Damage Induced by T-2 Mycotoxin on Human Skin—Fibroblast Hs68 Cell Line

  • Edyta Janik-Karpinska,
  • Michal Ceremuga,
  • Marcin Niemcewicz,
  • Ewelina Synowiec,
  • Tomasz Sliwiński and
  • Michal Bijak

T-2 toxin is produced by different Fusarium species and belongs to the group of type A trichothecene mycotoxins. T-2 toxin contaminates various grains, such as wheat, barley, maize, or rice, thus posing a risk to human and animal health. The toxin ha...

  • Article
  • Open Access
4 Citations
3,466 Views
16 Pages

Stereoselective Synthesis of 1-Substituted Homotropanones, including Natural Alkaloid (−)-Adaline

  • Sandra Hernández-Ibáñez,
  • Ana Sirvent,
  • Miguel Yus and
  • Francisco Foubelo

The stereocontrolled synthesis of 1-substituted homotropanones, using chiral N-tert-butanesulfinyl imines as reaction intermediates, is described. The reaction of organolithium and Grignard reagents with hydroxy Weinreb amides, chemoselective N-tert-...

  • Article
  • Open Access
8 Citations
2,846 Views
15 Pages

LncRNA JHDM1D-AS1 Is a Key Biomarker for Progression and Modulation of Gemcitabine Sensitivity in Bladder Cancer Cells

  • Isadora Oliveira Ansaloni Pereira,
  • Glenda Nicioli da Silva,
  • Tamires Cunha Almeida,
  • Ana Paula Braga Lima,
  • André Luiz Ventura Sávio,
  • Katia Ramos Moreira Leite and
  • Daisy Maria Fávero Salvadori

Long non-coding RNAs are frequently found to be dysregulated and are linked to carcinogenesis, aggressiveness, and chemoresistance in a variety of tumors. As expression levels of the JHDM1D gene and lncRNA JHDM1D-AS1 are altered in bladder tumors, we...

  • Article
  • Open Access
3 Citations
2,818 Views
17 Pages

A small library of 1H-benzo[4,5]imidazo[1,2-c][1,3]oxazin-1-one derivatives was prepared in good to excellent yields, involving a Ag2CO3/TFA-catalyzed intramolecular oxacyclization of N-Boc-2-alkynylbenzimidazole substrates. In all experiments, the 6...

  • Review
  • Open Access
13 Citations
5,298 Views
11 Pages

A deep learning-based quantitative structure–activity relationship analysis, namely the molecular image-based DeepSNAP–deep learning method, can successfully and automatically capture the spatial and temporal features in an image generate...

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Molecules - ISSN 1420-3049