Results 11 to 20 of about 3,677,805 (130)

{Tc(NO)(Cp)(PPh3)}(+) - a novel technetium(i) core. [PDF]

open access: yesChemical Communications, 2016
Reactions between [Tc(I)(NO)X2(PPh3)2(CH3CN)] complexes (X = Cl, Br) and KCp form the pseudotetrahedral organotechnetium compounds [Tc(I)(NO)(Cp)(PPh3)X]. The halide ligands can readily be replaced by other halides or organometallic ligands giving access
J. Ackermann, A. Hagenbach, U. Abram
semanticscholar   +3 more sources

Sentinel node biopsy for skin melanoma [PDF]

open access: yesVojnosanitetski Pregled, 2009
Background/Aim. Skin melanoma is one of the most malignant diseases with increasing incidence rate. Sentinel node biopsy (SNB) is very important for early detection of metastatic spread. The aim of the study was to analyze the first 40 patients with skin
Kovačević Predrag   +4 more
doaj   +1 more source

Phenolic Compounds: Classification, Chemistry, and Updated Techniques of Analysis and Synthesis

open access: yesPhenolic Compounds [Working Title], 2021
Phenolic compounds are vast, diverse, ubiquitous and widespread in nature. The biological significance of bioactive phenolic natural secondary metabolites is immense and of high and significant importance.
H. H. Mamari
semanticscholar   +1 more source

Extraction of Polyphenolic and Volatile Compounds from Cistus creticus Using Deep Eutectic Solvents and Pulsed Electric Fields

open access: yesCompounds, 2022
To date, many studies have been published, aiming to extract bioactive compounds from plants. Lately, research focuses on maximizing the extraction yield, using environmentally friendly techniques and solvents.
D. Palaiogiannis   +5 more
semanticscholar   +1 more source

Recent advances on heterocyclic compounds with antiviral properties

open access: yesChemistry of Heterocyclic Compounds, 2021
In recent years several important viral infections have emerged and antiviral chemotherapeutic agents are not sufficiently effective in clinic, leading to serious human diseases and mortality. Therefore, novel antiviral candidates are urgently desirable,
Aramita De, S. Sarkar, A. Majee
semanticscholar   +1 more source

A matter of performance and criticality: a review of rare-earth-based magnetocaloric intermetallic compounds for hydrogen liquefaction [PDF]

open access: yesJournal of Alloys and Compounds
The low efficiency of conventional liquefaction technologies based on the Joule-Thomson expansion makes liquid hydrogen currently not attractive enough for large-scale energy-related technologies that are important for the transition to a carbon-neutral ...
Wei Liu   +10 more
semanticscholar   +1 more source

Shikimic Acid Pathway in Biosynthesis of Phenolic Compounds

open access: yesPlant Physiological Aspects of Phenolic Compounds, 2019
Phenolic compounds are secondary metabolites found most abundantly in plants. These aromatic molecules have important roles, as pigments, antioxidants, signaling agents, the structural element lignan, and as a defense mechanism.
N. Santos-Sánchez   +3 more
semanticscholar   +1 more source

Synthesis, Investigation, Biological Evaluation, and Application of Coordination Compounds with Schiff Base—A Review

open access: yesCompounds
Coordination compounds, characterized by the coordination of metal ions with ligands, represent a pivotal area of research in chemistry due to their diverse structures and versatile applications.
P. Marinova, K. Tamahkyarova
semanticscholar   +1 more source

Functional Food Science and Bioactive Compounds

open access: yesBioactive Compounds in Health and Disease
Bioactive compounds (BCs) are key components in the development of functional foods (FFs) that offer health benefits beyond basic nutrition. Compounds such as polyphenols, carotenoids, flavonoids, fatty acids, fiber, and probiotics contribute to ...
D. Martirosyan
semanticscholar   +1 more source

Technetium ‐ The Unknown Center of the Periodic Table

open access: yesEuropean Journal of Inorganic Chemistry, Volume 28, Issue 9, March 21, 2025.
It took 78 years from Mendeleev's proposal of an existence of “eka‐manganese” (1869) until it was finally named as technetium in 1947. Another 78 years have passed since then. A good occasion to pinpoint what we know and what we still don't know of this element in the center of the periodic table.
Erik Strub   +9 more
wiley   +1 more source

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