Article
Chemistry, Multidisciplinary
Yanbang Li, Rohin Biswas, William P. Kopcha, Thierry Dubroca, Laura Abella, Yue Sun, Ryan A. Crichton, Christopher Rathnam, Letao Yang, Yao-Wen Yeh, Krishnendu Kundu, Antonio Rodriguez-Fortea, Josep M. Poblet, Ki-Bum Lee, Stephen Hill, Jianyuan Zhang
Summary: We report the synthesis of a three-buckyball metal complex (MBT) as a modular platform to develop water-soluble EMF derivatives. The resulting water-soluble MBTs show excellent biocompatibility and have potential applications in biomedical fields. The Gd MBTs exhibit superior T-1 relaxivity, while the Lu MBTs show promise as photosensitizers. We anticipate that the modular nature of the MBT platform will enable the development of bio-specific REE drugs.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Kevin Artmann, Ru-Jin Li, Selina Juber, Elie Benchimol, Lars Schaefer, Guido H. Clever, Patrick Nuernberger
Summary: This study uses ultrafast spectroscopy to investigate the influence of different guest compounds on the photoswitching characteristics of a supramolecular cage. It is found that the guest can modify the photodynamics of the cage, which may be beneficial for adjusting the applicability of photoswitchable nanocontainers and desired guest compounds.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Biochemistry & Molecular Biology
Helen M. O'Connor, Sergio Sanz, Aaron J. Scott, Mateusz B. Pitak, Wim T. Klooster, Simon J. Coles, Nicholas F. Chilton, Eric J. L. McInnes, Paul J. Lusby, Hogni Weihe, Stergios Piligkos, Euan K. Brechin
Summary: Three new heterometallic coordination cubes have been synthesized using a paramagnetic metalloligand and corresponding Ni-II salt, showing weak ferromagnetic interactions between Cr-III and Ni-II ions. These compounds expand the structurally related family of heterometallic cubes containing Cr-III and Ni-II ions, demonstrating a modular approach to building related polymetallic complexes.
Article
Chemistry, Multidisciplinary
Nikolay Tkachenko, Wei-Xing Chen, Harry W. T. Morgan, Alvaro Munoz-Castro, Alexander Boldyrev, Zhong-Ming Sun
Summary: This work presents the synthesis of a naked tin cluster anion, Sn-36(8-), which represents the first example of a pure tin nanowire assembled through oxidative coupling reactions of a superatomic cluster, Sn-9(4-). Theoretical analysis confirms the presence of aromaticity for each Sn-9 unit, with four adjacent aromatic subunits bridged by parallel Sn-Sn bonds.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Selina Beatrice van Der Meer, Theresa Seiler, Christin Buchmann, Georgia Partalidou, Sophia Boden, Kateryna Loza, Marc Heggen, Jurgen Linders, Oleg Prymak, Cristiano L. P. Oliveira, Laura Hartmann, Matthias Epple
Summary: The study demonstrates that precision macromolecules carrying cysteine can effectively surface functionalize ultrasmall gold nanoparticles, with each nanoparticle carrying between 40 and 100 ligands and each ligand having a footprint of about 0.074 nm². Additionally, the presence of a PEG chain in the ligands significantly increases the hydrodynamic diameter of both dissolved macromolecules and macromolecule-conjugated gold nanoparticles.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Anssi Peuronen, Anni I. I. Taponen, Elina Kalenius, Ari Lehtonen, Manu Lahtinen
Summary: In this study, a coordination cage assembled from Cu3I4- clusters and tripodal cationic N-donor ligands was synthesized and its structure was determined. The cage selectively binds iodide anions in specific regions through ionic interactions, which enables the selective binding of bromomethanes as secondary guest species. This selective binding was confirmed by single-crystal X-ray diffraction.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Zongshang Li, Ke Xiao, Qingyun Wan, Rui Tang, Kam-Hung Low, Xiaodong Cui, Chi-Ming Che
Summary: The introduction of multiple kinetic aggregation states (Aggs) into the self-assembly pathway can increase the complexity and flexibility of the self-assemblies. This was achieved by using a series of chiral and achiral d(10) Au-I bis(N-heterocyclic carbene, NHC) complexes, where the achiral complex could undergo self-assembly with multiple kinetic Aggs. The chiral Au-I self-assemblies exhibited nonlinear optical response of second harmonic generation (SHG) and could function as optical waveguides with strong emission polarization, while these properties were absent in the achiral analogue.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Chemistry, Multidisciplinary
Yong Yang, Michal Juricek
Summary: Carbon-nanohoop structures can function as supramolecular hosts for spherical fullerenes, potentially forming organic semiconductors in the solid state. However, the lack of control over the long-range order of encapsulated fullerenes limits their potential as organic semiconductors. Some studies have shown that nanohoop-fullerene complexes may form discrete supramolecular wires, which could be promising for electronic device applications.
Article
Chemistry, Inorganic & Nuclear
Ekta Nag, Maria Francis, Sudipta Roy
Summary: A novel octa-nuclear AuI-cluster has been successfully isolated and structurally characterized. Further studies on its electronic properties have been conducted using NMR, ESI-MS, cyclic voltammetry, and computational methods. Additionally, a new AuI8 cluster has been stabilized and isolated, and its photoluminescence properties have been investigated.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Barbara Scholz, Alexander S. Oshchepkov, Olena Papaianina, Cordula Ruppenstein, Vladimir A. Akhmetov, Dmitry I. Sharapa, Konstantin Y. Amsharov, M. Eugenia Perez-Ojeda
Summary: A novel buckybowl catcher with an extended pi-surface was synthesized and characterized. The effective binding of the catcher with C60 and C70 was confirmed, with higher affinity towards C70. This study demonstrates the potential of creating sensors for spherical aromaticity.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Hui Shen, Qingyuan Wu, Maryam Sabooni Asre Hazer, Xiongkai Tang, Ying-Zi Han, Ruixuan Qin, Chuxin Ma, Sami Malola, Boon K. Teo, Hannu Hakkinen, Nanfeng Zheng
Summary: A catalyst containing atomically dispersed Pd sites on N-heterocyclic carbene (NHC)-stabilized Au nanoclusters has been developed for efficient and regioselective hydrogenation of alkenes. The unique molecular structure of the catalyst allows the Pd atom to activate molecular hydrogen and catalyze the hydrogenation reaction effectively. However, the catalyst shows lower activity towards crowded alkenes due to the stringent steric requirements of the NHC ligands.
Article
Chemistry, Multidisciplinary
Krishna C. Thatipamula, Govindugari Bhargavi, Melath Rajasekharan
Summary: A study was conducted on a series of 36 complexes obtained from acetonitrile solutions of Cu(NO3)(2), Ln(NO3)(3), and various bipyridine ligands, revealing distinct structural characteristics and coordination numbers among different types of complexes. The research provides valuable information for understanding and utilizing these complexes in various applications.
Article
Chemistry, Multidisciplinary
Rohin Biswas, Shilong Yang, Ryan A. Crichton, Patrick Adly-Gendi, Tyler K. Chen, William P. Kopcha, Zheng Shi, Jianyuan Zhang
Summary: This study demonstrates the use of water-soluble C-60-beta-cyclodextrin conjugates as drug delivery systems. The behavior of fullerene aggregates inside cells is controlled by the functionalization of the C-60 cage. Conjugates with a hydroxylated C-60 cage quickly escape lysosomes and deliver drugs to the cell nucleus, while those with a hydrophobic C-60 cage are trapped in lysosomes for a longer time and show reduced drug delivery to the nucleus.
Article
Chemistry, Multidisciplinary
Hong Zeng, Peiren Liu, Hao Xing, Feihe Huang
Summary: Due to the highly symmetrical structures, partial functionalization of macrocycles is usually low-yielding and difficult to purify. In this study, a two-step fragment coupling method was developed to synthesize tetra-functionalized pillar[6]arenes, referred to as X-pillar[6]arenes. This method is simple and versatile and allows for hetero-fragment coupling and pre-functionalization.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Maria Drosou, Georgia Zahariou, Dimitrios A. Pantazis
Summary: The study reveals that the tetramanganese-calcium cluster of the oxygen-evolving complex in photosystem II adopts orientational Jahn-Teller isomeric forms in the resting state, which explains previous spectroscopic observations and establishes the functional role of this isomerism in the catalytic process.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
