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Molecules, Volume 27, Issue 11

June-1 2022 - 288 articles

Cover Story: Superatoms are promising materials for their potential as new building blocks. Thus far, various synthesis methods of thiol-protected Au clusters, including an Au25 superatom, have been investigated. However, previously reported methods mainly depended on the thermodynamic stability of clusters. By contrast, direct synthesis with atomicity control process enables rapid synthesis and heterogeneous atom blending by the corresponding precursors. This report proposes a synthesis method for thiol-protected Au clusters using a dendrimer template. In this method, the number of Au atoms was controlled by the stepwise complexation reaction of a phenylazomethine dendrimer. Synthesis speed was found to be increased compared with the case without the dendrimer template. Hybridization for the Au25 superatom was also achieved using the complexation control of metal salts. View this paper
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Articles (288)

  • Article
  • Open Access
2,659 Views
12 Pages

Formation of GeO2 under Graphene on Ge(001)/Si(001) Substrates Using Water Vapor

  • Ewa Dumiszewska,
  • Paweł Ciepielewski,
  • Piotr A. Caban,
  • Iwona Jóźwik,
  • Jaroslaw Gaca and
  • Jacek M. Baranowski

The problem of graphene protection of Ge surfaces against oxidation is investigated. Raman, X-Ray diffraction (XRD), atomic force microscopy (AFM) and scanning electron microscopy (SEM) measurements of graphene epitaxially grown on Ge(001)/Si(001) su...

  • Review
  • Open Access
31 Citations
18,108 Views
18 Pages

Harpagophytum procumbens subsp. procumbens (Burch.) DC. ex Meisn. (Sesame seed Family—Pedaliaceae) is a popular medicinal plant known as Devil’s claw. It is predominantly distributed widely over southern Africa. Its impressive reputation...

  • Editorial
  • Open Access
13 Citations
3,477 Views
4 Pages

New Advances in Short Peptides: Looking Forward

  • Vasso Apostolopoulos,
  • Joanna Bojarska,
  • Tsun-Thai Chai,
  • Jack Feehan,
  • Krzysztof Kaczmarek,
  • John M. Matsoukas,
  • Octavio Paredes Lopez,
  • Michele Saviano,
  • Mariusz Skwarczynski and
  • Jillian Smith-Carpenter
  • + 4 authors

It is beyond doubt that short peptides hold significant promise in bio-medicine, as the most versatile molecules, both structurally and functionally [...]

  • Article
  • Open Access
14 Citations
2,777 Views
15 Pages

Influence of Open Chain and Cyclic Structure of Peptidomimetics on Antibacterial Activity in E. coli Strains

  • Parul Sahrawat,
  • Paweł Kowalczyk,
  • Dominik Koszelewski,
  • Mateusz Szymczak,
  • Karol Kramkowski,
  • Aleksandra Wypych and
  • Ryszard Ostaszewski

An efficient method for the synthesis of functionalized peptidomimetics via multicomponent Ugi reaction has been developed. The application of trifluoroethanol (TFE) as a reaction medium provided desired products with good yields. Further, using the...

  • Review
  • Open Access
33 Citations
6,881 Views
33 Pages

3D Graphene Foam by Chemical Vapor Deposition: Synthesis, Properties, and Energy-Related Applications

  • Cristina Antonela Banciu,
  • Florin Nastase,
  • Anca-Ionela Istrate and
  • Lucia Monica Veca

In this review, we highlight recent advancements in 3D graphene foam synthesis by template-assisted chemical vapor deposition, as well as their potential energy storage and conversion applications. This method offers good control of the number of gra...

  • Article
  • Open Access
2,579 Views
9 Pages

It is widely reported that N-(4-hydroxyphenyl)-retinamide or fenretinide (4-HPR), which is a synthetic amide of all-trans-retinoic acid (ATRA), inhibits in vitro several types of tumors, including cancer cell lines resistant to ATRA, at 1–10 &m...

  • Article
  • Open Access
5 Citations
2,854 Views
16 Pages

Antifungal Volatilomes Mediated Defense Mechanism against Fusarium oxysporum f. sp. lycopersici, the Incitant of Tomato Wilt

  • Praveen Thangaraj,
  • Akshaya Subbaih Balamurali,
  • Krishnamoorthy Akkanna Subbiah,
  • Nakkeeran Sevugapperumal,
  • Thiribhuvanamala Gurudevan,
  • Sivakumar Uthandi and
  • Haripriya Shanmugam

In this study, the volatilomes of naturally growing plant leaves were immobilized in a suitable substrate to enhance vapors’ diffusion in the soil to eradicate the Fusarium wilt pathogens in Tomato. Volatilomes produced by Mentha spicata leaves...

  • Article
  • Open Access
20 Citations
3,606 Views
15 Pages

Antimicrobial Activity of Dihydroisocoumarin Isolated from Wadi Lajab Sediment-Derived Fungus Penicillium chrysogenum: In Vitro and In Silico Study

  • Raha Orfali,
  • Shagufta Perveen,
  • Mohamed Fahad AlAjmI,
  • Safina Ghaffar,
  • Md Tabish Rehman,
  • Abdullah R. AlanzI,
  • Saja Bane Gamea and
  • Mona Essa Khwayri

Antibiotic resistance is considered a major health concern globally. It is a fact that the clinical need for new antibiotics was not achieved until now. One of the most commonly prescribed classes of antibiotics is β-Lactam antibiotics. However,...

  • Article
  • Open Access
35 Citations
4,508 Views
12 Pages

Poria Acid, Triterpenoids Extracted from Poria cocos, Inhibits the Invasion and Metastasis of Gastric Cancer Cells

  • Haibo Wang,
  • Yuanyuan Luo,
  • Zewen Chu,
  • Tengyang Ni,
  • Shiya Ou,
  • Xiaojun Dai,
  • Xiaochun Zhang and
  • Yanqing Liu

Background: Poria cocos (P. cocos) is an important medicinal fungus in traditional Chinese medicine. Poria acid (PA), a triterpenoid compound, is an effective component of traditional Chinese medicine P. cocos. This experiment investigated the anti-g...

  • Article
  • Open Access
9 Citations
3,015 Views
16 Pages

Risk Assessment in Monitoring of Water Analysis of a Brazilian River

  • Luciene Pires Brandão,
  • Vanilson Fragoso Silva,
  • Marcelo Bassi and
  • Elcio Cruz de Oliveira

This study aimed to introduce non-parametric tests and guard bands to assess the compliance of some river water properties with Brazilian environmental regulations. Due to the heterogeneity of the measurands pH, Biochemical Oxygen Demand (BOD), manga...

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Molecules - ISSN 1420-3049