Article
Biochemistry & Molecular Biology
Lamya H. Al-Wahaibi, Anber F. Mohammed, Fatema El-Zahraa S. Abdel Rahman, Mostafa H. Abdelrahman, Xuyuan Gu, Laurent Trembleau, Bahaa G. M. Youssif
Summary: A new series of indole-2-carboxamides and pyrido[3,4-b]indol-1-ones have been developed as new antiproliferative agents that target both wild and mutant type EGFR. The compounds 5c, 5d, 5f, 5g, 6e, and 6f showed the highest antiproliferative activity, with GI(50) values ranging from 29 nM to 47 nM. Moreover, compounds 5f and 5g demonstrated excellent inhibitory activity against EGFR(T790M) and increased the level of caspase 8 and Bax while decreasing the levels of anti-apoptotic Bcl2 protein.
JOURNAL OF ENZYME INHIBITION AND MEDICINAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Hsing-Hua Chen, Young-Kwon Park, Eilhann Kwon, Yiu Fai Tsang, Bui Xuan Thanh, Ta Cong Khiem, Siming You, Chechia Hu, Kun-Yi Andrew Lin
Summary: Metal sulfides with 3D hierarchical nanostructures, such as Cu/CoS@NF, have been developed as effective catalysts for activating MPS to degrade refractory contaminants. Compared to metal oxides, these sulfides exhibit more reactive redox characteristics, leading to enhanced catalytic activation of MPS and lower activation energy for degradation reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Diana Nelli, El Yakout El Koraychy, Manuella Cerbelaud, Benoit Crespin, Arnaud Videcoq, Alberto Giacomello, Riccardo Ferrando
Summary: The solidification of AgCo, AgNi, and AgCu nanodroplets in the size range of 2-8 nm was studied using molecular dynamics simulations. Despite the surface segregation of Ag in the bulk solid, the simulations revealed clear differences in the solidification pathways. AgCo and AgNi separate in the liquid phase and solidify close to equilibrium, while AgCu remains in a kinetically trapped state and solidifies in one step. An analytical model was used to rationalize these differences and analyze the size dependence of solidification temperatures.
Article
Chemistry, Multidisciplinary
Lixin Liang, Shiqiang Zhou, Wei Zhang, Rongbiao Tong
Summary: Two complementary approaches were developed for the catalytic asymmetric alkynylation of 3,4-dihydro-beta-carbolinium ions with up to 96 % yield and 99 % ee. The utility of chiral C1-alkynyl TH beta Cs was demonstrated through the total synthesis of seven indole alkaloids.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Materials Science, Multidisciplinary
Poonam Siwatch, Kriti Sharma, Nirmal Manyani, Ravneet Kaur, S. K. Tripathi
Summary: Nanocomposites of transition metal sulphides, such as NiCoS, ZnCoS, CuCoS, and NiZnCuCoS, have been prepared by hydrothermal synthesis method and used as supercapacitor electrode materials. The nanocomposites exhibit the formation of quantum dots with crystallite sizes ranging from 3.5 nm to 6.0 nm. Among the prepared nanocomposites, CuCoS nanocomposites showed the highest specific capacitance, while NiZnCuCoS nanocomposites exhibited the highest potential window and energy density. The multi-metal doping improved the supercapacitive behavior of transition metal sulphides.
CURRENT APPLIED PHYSICS
(2023)
Article
Geology
S. Horn, A. G. Gunn, E. Petavratzi, R. A. Shaw, P. Eilu, T. Tormanen, T. Bjerkgard, J. S. Sandstad, E. Jonsson, S. Kountourelis, F. Wall
Summary: The study examines the cobalt resources in Europe and reveals a wide distribution of various types of cobalt-bearing deposits across the continent. Current cobalt production in Europe is mainly concentrated in Finland, with three mines being the primary sources. The Fennoscandian Shield and the Caledonian Belt in Finland, Norway, and Sweden are high priority exploration areas for cobalt-bearing deposits.
ORE GEOLOGY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Subbukalai Vijayakumar, Ganesh Dhakal, Soo-Hyun Kim, Jintae Lee, Yong Rok Lee, Jae-Jin Shim
Summary: In this study, Zn-Co-S nanostrip cluster arrays were successfully synthesized on Ni foam through a two-step hydrothermal process. These arrays exhibited higher specific capacity and electrochemical performance compared to ZnCo2O4, showcasing their potential for hybrid supercapacitor applications.
Article
Environmental Sciences
Stefan Trapp, Marie Christine Laursen, Frieda Hammershoi Petersen
Summary: The study found that dumping electric scooter batteries in ponds did not release significant amounts of toxic metals nickel, cobalt, and copper, indicating good sealing of the batteries and minimal threat to aquatic organisms.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Manohar Patil, Su Jeong Park, Gyu Seong Yeom, Ratnamala Bendre, Anil Kuwar, Satish Balasaheb Nimse
Summary: A Schiff base ligand FHE was synthesized and showed specific complex formation with Zn2+ ions, resulting in enhanced fluorescence. FHE demonstrated high sensitivity for detecting Zn2+ ions in living cells and environmental samples.
NEW JOURNAL OF CHEMISTRY
(2022)
Review
Biochemistry & Molecular Biology
Ewa Olechno, Anna Puscion-Jakubik, Katarzyna Socha, Malgorzata Elzbieta Zujko
Summary: Studies have shown that coffee infusions contain trace elements with antioxidant activity such as manganese, zinc, copper, iron, fluoride, chromium, and cobalt, which can contribute to meeting certain nutritional requirements. The origin of coffee beans and the type of water used may impact the mineral content in infusions, while the brewing method does not seem to have a significant role. Further research in this area is needed to explore the bioavailability of these micronutrients in coffee.
Article
Materials Science, Multidisciplinary
Chun Yang, Zhiwei Peng, Qingyu Zhao, Rui Liu, Shilin Yun, Zhiqiang Zhang, Meiqiang Fan, Haijie Cao, Hai-Chao Chen
Summary: Electroactive materials with low crystallization, such as low-crystallized nickel-cobalt hydroxide (NiCo-OH-L), show promise for energy storage due to their larger specific surface area and reduced charge transfer resistance. In this study, a solvothermal method was used to synthesize NiCo-OH-L, which exhibited comparable cycling stability to high-crystallized samples in nickel-zinc battery (NZB) applications. Furthermore, the cobalt constitution in NiCo-OH-L improved its rate performance and cycling stability, resulting in high-capacity and high-rate performances.
SCIENCE CHINA-MATERIALS
(2023)
Article
Plant Sciences
Katarzyna Kozak, Anna Papierniak-Wygladala, Malgorzata Palusinska, Anna Barabasz, Danuta Maria Antosiewicz
Summary: NRAMP genes play an important role in maintaining metal homeostasis in plant cells. In this study, NtNRAMP3, a protein in tobacco, was identified and functionally characterized. The results suggest that NtNRAMP3 may be involved in metal uptake. It is mainly expressed in the xylem of tobacco leaves.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Elzbieta Radzyminska-Lenarcik, Kamila Maslowska, Wlodzimierz Urbaniak
Summary: This study focuses on the use of 2-alkylimidazoles as ion carriers in polymer inclusion membranes for the separation of copper, zinc, cobalt, and nickel from aqueous solutions. By analyzing transport parameters and characterizing the membrane, the research provides valuable insights for metal ion separation technology.
Review
Chemistry, Applied
Hao Wu, Bo Qu, Thach Nguyen, Jon C. Lorenz, Frederic Buono, Nizar Haddad
Summary: This review provides a summary of recent developments in the field of nonprecious metal catalysis (NPMC) and highlights the synthetic applications covered in published research between July and October 2021. The increase in publications in NPMC indicates a widespread interest among academic and industrial research laboratories in the development and utilization of the catalytic applications of these metals.
ORGANIC PROCESS RESEARCH & DEVELOPMENT
(2022)
Article
Biochemistry & Molecular Biology
Thomas Dippong, Oana Cadar, Firuta Goga, Dana Toloman, Erika Andrea Levei
Summary: This study investigated the structure, morphology, and sonophotocatalytic activity of Ni-Zn-Co ferrite nanoparticles embedded in a SiO2 matrix. The nanoparticles were synthesized using a modified sol-gel method and were characterized using thermal analysis, X-ray diffraction, and transmission electron microscopy. The results showed that the particle sizes ranged between 34 and 40 nm and exhibited optical responses in the visible range. The best sonophotocatalytic activity was observed for Ni0.3Zn0.3Co0.4Fe2O4@SiO2.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Environmental Sciences
Maria Khalil, Muhammad Asif Hanif, Umer Rashid, Junaid Ahmad, Ali Alsalme, Toshiki Tsubota
Summary: The present study focuses on the preparation and utilization of granite stone powder waste composite for the effective removal of Terasil dye. The results showed that the granite composites prepared using sodium metasilicate exhibited an exceptionally high dye adsorption capacity. Characterization techniques such as scanning electron microscopy and Fourier transform infrared spectroscopy were employed to determine the morphological features and functional groups of the granite composites.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Energy & Fuels
Ali Alsalme, Rais Ahmad Khan, Malak Faisal Altowairqi, Nouf Abdul Rahman Almuryyi
Summary: This article reports on the simulation of FTO/TiO2/MA(3)Sb(2)I(9)/spiro-OMeTAD solar cells. The thickness of the absorber layer, hole-transport layer, or electron-transport layer was varied during the simulation process and the optimized solar cells demonstrated a high efficiency of 14.90% and an open circuit voltage of 1.41 V.
Article
Biochemistry & Molecular Biology
Ali Alsalme, Malak Faisal Altowairqi, Afnan Abdullah Alhamed, Rais Ahmad Khan
Summary: In this study, SCAPS-1D was used for the numerical simulation of lead-free perovskite solar cells (PSCs), and the thickness of the zinc oxysulphide, MAGeI(3), and spiro-OMeTAD layers was optimized. The optimized PSCs showed excellent power conversion efficiency of 21.62%.
Article
Chemistry, Applied
Umer Rashid, Balkis Hazmi, Rose Fadzilah Abdullah, Siti Fadhilah Ibrahim, Ali Alsalme, Toshiki Tsubota
Summary: In this study, palm kernel shell-based char was developed and utilized for synthesizing bifunctional carbon catalyst. The catalyst showed higher surface area and stronger acid-base properties, making it suitable for efficient esterification and transesterification reactions.
TOPICS IN CATALYSIS
(2023)
Article
Chemistry, Physical
Huda Alsaeedi, Ali Alsalme
Summary: In recent years, the surface modification of glassy carbon electrodes using nanomaterials has gained significant attention for the advancement of electrochemical sensors. This study synthesized molybdenum disulfide (MoS2) through hydrothermal synthesis and investigated its electro-catalytic properties for the fabrication of a resorcinol sensor. The results showed that the MoS2-modified glassy carbon electrode exhibited excellent sensitivity and stability for detecting resorcinol.
Article
Chemistry, Physical
N. Sivakumar, P. Vijayakumar, R. Jayavel, Ali Alsalme, Abdullah S. Alsulami, Yuui Yokota
Summary: The pure and strontium substituted LaFeO3 samples were synthesized and characterized with good quality single crystals grown for dielectric and magnetic measurements. The orthorhombic structure and composition of the samples were confirmed by X-ray diffraction and energy dispersive X-ray spectroscopy analysis. The dielectric constant increased in the Sr substituted LaFeO3 crystal and magnetic properties were tested with M-H loop.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Environmental Sciences
Ali Alsalme, Hilal Ahmad, Rais Ahmad Khan, Bon Heun Koo, Ghadah M. M. Alharbi, Shahad I. I. Alhadlaq
Summary: This study chemically introduced thioglycolic acid to improve the selectivity of graphene oxide (GO) nanosheets for metal ion extraction. A solid phase extraction method was developed and optimized, which showed good reliability, accuracy, and low detection limits for arsenic and mercury ions. Real samples were analyzed to validate the established procedure.
Article
Chemistry, Inorganic & Nuclear
Ali Alsalme, Huda Alsaeedi, Malak Faisal Altowairqi, Rais Ahmad Khan, Ghadah M. Alharbi, Afnan A. Alhamed
Summary: Heavy metal ions can be harmful to human health in the environment and diet. Reliable and accurate technologies for their detection are essential for global healthcare improvement. This study presents a sol-gel method to prepare nickel oxide (NiO) nanoparticles. The NiO nanoparticles were characterized by PXRD, SEM, and EDS, showing a nanosphere-shaped morphology. A gold electrode (Au) was coated with NiO nanoparticles via drop-casting, and it exhibited good performance as an arsenic sensor with sensitivity of 3.10 mu A/ppb and a limit of detection of 1.94 ppb. This is the first report utilizing NiO/Au with two electrochemical techniques for arsenic detection.
Article
Chemistry, Multidisciplinary
Ali Alsalme
Summary: We prepared a new GO/Fe3O4@beta-lactoglobulin sorbent for selective extraction of trace Pb(II). The sorbent demonstrated a faster permeation rate compared to the nascent GO column. The developed SPE method showed a low detection limit for Pb(II) ion and good precision.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Biochemistry & Molecular Biology
Syed Ghazanfar Ali, Uzma Haseen, Mohammad Jalal, Rais Ahmad Khan, Ali Alsalme, Hilal Ahmad, Haris Manzoor Khan
Summary: In this study, copper oxide nanoparticles were synthesized using the leaves of Aegle marmelos plant and characterized by various techniques. The nanoparticles showed a crystalline structure and exhibited antimicrobial activity and photocatalytic degradation of organic dyes.
Article
Chemistry, Multidisciplinary
Rais Ahmad Khan, Amal AlFawaz, Afnan Abdullah Alhamed, Nouf Abdulrahman AlMuryyi, Imran Hasan, Anup Paul, Sandeep Dey, Saad. G. Alshammari, Hadi D. Arman, Ali Alsalme
Summary: A new cobalt(II) coordination polymer 'Cp-Co' with a periodic 3D framework was designed, synthesized, and characterized. It exhibited outstanding photocatalytic degradation efficiency for methyl green (MG) dye under visible light irradiation, and the reaction variables were optimized.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Analytical
Theophile Niyitanga, Mohd Quasim Khan, Khursheed Ahmad, Rais Ahmad Khan
Summary: Azithromycin is a widely used and prioritized antibiotic, but its side effects can cause significant harm to humans and the environment. Therefore, developing effective and sensitive sensors to monitor the concentration of Azithromycin is crucial. In this study, a MoS2@Ti3AlC2 composite was used to fabricate an Azithromycin sensor, which exhibited excellent performance.
Article
Biochemistry & Molecular Biology
Michael Ramek, Jasmina Sabolovic
Summary: This paper investigates the geometries, energy landscapes, and magnetic parameters of copper(II) amino acid compounds using density functional theory calculations. The results show that certain conformers with histaminate-like and glycine-like modes have low Gibbs free energies and high metal-binding affinities. The predicted conformations reproduce the experimental electron paramagnetic resonance parameters.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2024)
Article
Biochemistry & Molecular Biology
Wei Tian, Wen Zhong, Zengyan Yang, Ling Chen, Shijie Lin, Yanping Li, Yuxing Wang, Peilin Yang, Xing Long
Summary: A series of novel dibutyltin complexes based on salen-like ligands were synthesized and characterized. Complex S03 showed excellent in vitro anticancer activity and induced cancer cell death through multiple mechanisms. This study reveals new mechanisms of organotin complexes and provides new insights into the development of organotin metal complexes as anticancer drugs.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2024)
Article
Biochemistry & Molecular Biology
Natalie C. Korkola, Martin J. Stillman
Summary: Many proteins require a metal cofactor for their function, and these metals play a role in protein folding. The study found that the metallation rates of different metal binding pathways are influenced by pH, with the less cooperative pathway being more affected by low pH conditions. Specific mixtures of structures are formed in the initial steps of metallation, and unfolding the disordered apo-MT structure hinders the formation of these preliminary structures. The compact conformation of the native apo-MT allows for rapid formation of metal-thiolate structures with high affinity, providing protection from oxidation.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2024)
Article
Biochemistry & Molecular Biology
Boxuan Yang, Xitong Song, Binju Wang
Summary: The diiron active site plays a crucial role in catalytic transformations in both biological and chemical systems. Recent advancements in the field include the synthesis of biomimetic diiron catalysts inspired by the active structure of soluble methane monooxygenase (sMMO), which have been successfully applied to the dehydrogenation of indolines.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2024)
Article
Biochemistry & Molecular Biology
Christina N. Banti, Angeliki A. Piperoudi, Catherine P. Raptopoulou, Vassilis Psycharis, Constantinos M. Athanassopoulos, Sotiris K. Hadjikakou
Summary: Two copper(I) polymorphs with mitochondria-targeting properties were successfully prepared via metal ion conjugation. These compounds showed promising activities in DNA binding, enzyme inhibition, and cancer cell inhibition. The molecular mechanisms of action were investigated.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2024)