Themed collection Celebrating Latin American Talent in Chemistry
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Introduction to celebrating Latin American talent in chemistry
In celebration of the excellence and breadth of Latin American research achievements across the chemical sciences, we are delighted to present an introduction to the themed collection, Celebrating Latin American talent in chemistry.
RSC Adv., 2021,11, 40216-40219
https://doi.org/10.1039/D1RA90175C
Spin dynamics in single-molecule magnets and molecular qubits
This review focus on spin dynamics that controls decoherence times in molecular qubits and magnetic anisotropy in single-molecule magnets.
Dalton Trans., 2020,49, 9916-9928
https://doi.org/10.1039/D0DT01414A
Transition metal catalysed direct selanylation of arenes and heteroarenes
Recent outstanding advances in the C–Se bond formation through transition metalcatalysed direct selanylation, providing new insights into their mechanistic aspects, were provided in this perspective.
Dalton Trans., 2019,48, 9851-9905
https://doi.org/10.1039/C9DT00473D
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Noble gas endohedral fullerenes
This review focuses on the available experimental and theoretical investigations on noble gas (Ng) endohedral fullerenes, addressing the effects of confinement of one or more Ng atoms into the electronic structure and reactivity of fullerenes.
Chem. Sci., 2020,11, 6642-6652
https://doi.org/10.1039/D0SC02507K
Photoinduced deaminative strategies: Katritzky salts as alkyl radical precursors
Primary amines are one of the most predominant functional groups found in organic molecules. This review covers the most recent developments on photocatalytic deaminative strategies by using Katritzky Salts as alkyl radical reservoirs.
Chem. Commun., 2020,56, 503-514
https://doi.org/10.1039/C9CC08348K
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Natural products' role against COVID-19
Natural products can play an important role in COVID-19 chemotherapy development.
RSC Adv., 2020,10, 23379-23393
https://doi.org/10.1039/D0RA03774E
Trimetallic oxides/hydroxides as hybrid supercapacitor electrode materials: a review
The main strategies to impart synergistic catalytic effects to trimetallic oxide/layered double hydroxide materials are discussed: (a) heteroatom incorporation, (b) the formation of nanocomposites, and (c) hierarchical core@shell nanostructuration.
J. Mater. Chem. A, 2020,8, 10534-10570
https://doi.org/10.1039/D0TA02939D
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Recent progress in chemosensors based on pyrazole derivatives
This review provides an overview on the recent (2016–2020) findings on chemosensors based on pyrazole derivatives. The discussion focuses on the design, physicochemical properties and practical applications of probes.
RSC Adv., 2020,10, 19693-19712
https://doi.org/10.1039/D0RA02394A
Evolutionary dynamics of natural product biosynthesis in bacteria
We review known evolutionary mechanisms underlying the overwhelming chemical diversity of bacterial natural products biosynthesis, focusing on enzyme promiscuity and the evolution of enzymatic domains that enable metabolic traits.
Nat. Prod. Rep., 2020,37, 566-599
https://doi.org/10.1039/C9NP00048H
Peptide macrocyclization by transition metal catalysis
Peptide macrocyclization continues expanding with the development of novel transition metal-catalyzed reactions capable of both introducing conformational constraints and generating diversity at the ring-closing moiety.
Chem. Soc. Rev., 2020,49, 2039-2059
https://doi.org/10.1039/C9CS00366E
Insights into DNA catalysis from structural and functional studies of the 8-17 DNAzyme
The review examines functional knowledge gathered over two decades of research on the 8-17 DNAzyme, focusing on three aspects: the structural requirements for catalysis, the role of metal ions and the participation of general acid-base catalysis.
Org. Biomol. Chem., 2020,18, 1697-1709
https://doi.org/10.1039/C9OB02453K
Mechanistic knowledge and noncovalent interactions as the key features for enantioselective catalysed multicomponent reactions: a critical review
This critical short review focuses on some key features which determine successful enantioselective catalysed multicomponent reactions (MCRs) and are typically underappreciated in the literature.
Org. Biomol. Chem., 2019,17, 7260-7269
https://doi.org/10.1039/C9OB01088B
Approaches for the isolation and identification of hydrophilic, light-sensitive, volatile and minor natural products
Water-soluble, volatile, minor and photosensitive natural products are yet poorly known, and this review discusses the literature reporting the isolation strategies for some of these metabolites.
Nat. Prod. Rep., 2019,36, 981-1004
https://doi.org/10.1039/C9NP00009G
Synthetic strategies for fluorination of carbohydrates
Different synthetic strategies for accomplishing regio- and stereoselective fluorinations of carbohydrate scaffolds are discussed in light of the biological implications arising from such substitutions.
Org. Biomol. Chem., 2019,17, 5173-5189
https://doi.org/10.1039/C9OB00405J
Recent advances in the use of carbon nanotubes as smart biomaterials
Carbon nanotubes (CNTs) have outstanding properties that can be used to produce intelligent devices to detect pathogens, delivery drugs, and replace bone and dental parts. Therefore, CNTs have been extensively studied as medical devices.
J. Mater. Chem. B, 2019,7, 1343-1360
https://doi.org/10.1039/C8TB02419G
The 6π-azaelectrocyclization of azatrienes. Synthetic applications in natural products, bioactive heterocycles, and related fields
The stepwise construction of azatrienes and their 6π-azaelectrocyclization en route to the total synthesis of natural products, bioactive heterocycles and other complex molecules, is discussed.
Nat. Prod. Rep., 2019,36, 354-401
https://doi.org/10.1039/C8NP00014J
Practical use of polymer brushes in sustainable energy applications: interfacial nanoarchitectonics for high-efficiency devices
Polymer brushes provide a new perspective from which to consider the development of energy conversion and storage devices with improved performance and efficiency.
Chem. Soc. Rev., 2019,48, 814-849
https://doi.org/10.1039/C8CS00705E
Plant molecular farming: production of metallic nanoparticles and therapeutic proteins using green factories
Plant molecular farming: challenges and opportunities.
Green Chem., 2019,21, 1845-1865
https://doi.org/10.1039/C9GC00335E
Recent advances in gold–NHC complexes with biological properties
This tutorial review covers the recent advances made in the study of gold complexes containing N-heterocyclic carbene ligands with biological properties.
Chem. Soc. Rev., 2019,48, 447-462
https://doi.org/10.1039/C8CS00570B
Electrochemical paper-based analytical devices: ten years of development
The last decade saw the development of electrochemical paper-based analytical devices (ePADs).
Anal. Methods, 2020,12, 1030-1054
https://doi.org/10.1039/C9AY02350J
Planar pentacoordinate silicon and germanium atoms
The global minimum of XMg4Y− (X = Si, Ge; Y = In, Tl) and SiMg3In2 contains a planar pentacoordinate atom of group 14 other than carbon.
Chem. Commun., 2020,56, 13772-13775
https://doi.org/10.1039/D0CC06107G
Reversible and efficient SO2 capture by a chemically stable MOF CAU-10: experiments and simulations
CAU-10 is an efficient system for SO2 adsorption, and its great recyclability is given by van der Waals interactions present within its pore.
Dalton Trans., 2020,49, 9203-9207
https://doi.org/10.1039/D0DT01595D
Electrochemical synthesis of selenyl-dihydrofurans via anodic selenofunctionalization of allyl-naphthol/phenol derivatives and their anti-Alzheimer activity
Herein, we report an eco-friendly, electrosynthetic approach for the intramolecular oxyselenylation of allyl-naphthol/phenol derivatives.
Org. Biomol. Chem., 2020,18, 4916-4921
https://doi.org/10.1039/D0OB00629G
Engineering of a Au-sensor to develop a Hg-specific, sensitive and robust whole-cell biosensor for on-site water monitoring
A Hg-specific and sensitive sensor protein was designed and integrated into an optimized whole-cell biosensor platform. Quantitative and semiquantitative approaches validate the application of this analytical tool for on-site Hg monitoring.
Chem. Commun., 2020,56, 6590-6593
https://doi.org/10.1039/D0CC01323D
High and reversible SO2 capture by a chemically stable Cr(III)-based MOF
MIL-101(Cr)-4F(1%) shows a high uptake and high chemical stability to dry and humid SO2 and a remarkable cyclability. In situ DRIF spectroscopy upon the adsorption of CO identified the preferential adsorption sites for this MOF material.
J. Mater. Chem. A, 2020,8, 11515-11520
https://doi.org/10.1039/C9TA13524C
Spatially localized electrodeposition of multiple metals via light-activated electrochemistry for surface enhanced Raman spectroscopy applications
Light is used to activate spatially and temporally resolved electrodeposition of multiple metals onto silicon.
Chem. Commun., 2020,56, 5831-5834
https://doi.org/10.1039/D0CC01661F
Photocatalytic xanthate-based radical addition/cyclization reaction sequence toward 2-biphenyl isocyanides: synthesis of 6-alkylated phenanthridines
A photocatalytic xanthate-based radical addition/cyclization reaction cascade toward 2-biphenylisocyanides is described as a practical and modular approach to 6-alkylated phenanthridines.
Org. Biomol. Chem., 2020,18, 3487-3491
https://doi.org/10.1039/D0OB00136H
On-resin synthesis of cyclic peptides via tandem N-to-S acyl migration and intramolecular thiol additive-free native chemical ligation
A novel methodology for the synthesis of cyclic peptides by on-resin intramolecular native chemical ligation (NCL) assisted by N-ethylcysteine using Fmoc/SPPS is described.
Chem. Commun., 2020,56, 956-959
https://doi.org/10.1039/C9CC07783A
A black phosphorus-based cathode for aqueous Na-ion batteries operating under ambient conditions
We present the unprecedented application of a black phosphorus-based nanocomposite as an electrode for aqueous Na-ion batteries under ambient conditions.
Chem. Commun., 2020,56, 802-805
https://doi.org/10.1039/C9CC09279J
Hybrid organic–inorganic mononuclear lanthanoid single ion magnets
The plasticity of the coordination chemistry of lanthanoid ions has allowed the design and synthesis for the first time of a family of mononuclear hybrid organic–inorganic lanthanoid complexes with slow relaxation of the magnetization.
Chem. Commun., 2019,55, 14992-14995
https://doi.org/10.1039/C9CC07868A
Multitasking polyamine/ferrioxalate nano-sized assemblies: thermo-, photo-, and redox-responsive soft materials made easy
Thermo-, photo-, and redox-responsive nanoparticles can be prepared through a one-step process by simply using polyamines and potassium ferrioxalate as ionic crosslinker.
Chem. Commun., 2019,55, 14653-14656
https://doi.org/10.1039/C9CC06942A
Triggering the dynamics of a carbazole-p-[phenylene-diethynyl]-xylene rotor through a mechanically induced phase transition
A crystalline molecular machine with several solid phases where only one is able to show intramolecular rotation.
Chem. Commun., 2019,55, 14054-14057
https://doi.org/10.1039/C9CC05672F
In search of the most active MN4 catalyst for the oxygen reduction reaction. The case of perfluorinated Fe phthalocyanine
Perfluorinated Fe phthalocyanine. Sitting at the top of the volcano correlation for the oxygen reduction reaction.
J. Mater. Chem. A, 2019,7, 24776-24783
https://doi.org/10.1039/C9TA09125D
Oil-in-eutectic mixture HIPEs co-stabilized with surfactant and nanohydroxyapatite: ring-opening polymerization for nanocomposite scaffold synthesis
Biodegradable macroporous polyHIPEs with specific cavity sizes and selective interfacial functionalization of the inner surface with NHA are produced.
Chem. Commun., 2019,55, 12292-12295
https://doi.org/10.1039/C9CC06292K
Measurement of the force between uncharged colloidal particles trapped at a flat air/water interface
Measurement of the force between colloidal particles trapped at a flat air/water interface using optical tweezers.
Soft Matter, 2019,15, 5815-5818
https://doi.org/10.1039/C9SM01051C
New two-dimensional carbon nitride allotrope with 1 : 1 stoichiometry featuring spine-like structures: a structural and electronic DFT-D study
In this communication the prediction of a two-dimensional carbon nitride allotrope (CN) featuring a 1 : 1 stoichiometry is considered.
Phys. Chem. Chem. Phys., 2019,21, 15282-15285
https://doi.org/10.1039/C9CP02846C
Organotin(IV) differential fluorescent probe for controlled subcellular localization and nuclear microviscosity monitoring
A dual-emissive fluorescent probe based on the organotin(IV) ion enabled unique tracking of the local microviscosity through a differential and controlled nuclear–cytosolic redistribution.
Chem. Commun., 2019,55, 8246-8249
https://doi.org/10.1039/C9CC04179F
A novel and simple method for polyethylene terephthalate (PET) nanoparticle production
Common plastics, such as polyethylene terephthalate (PET), as pollutants in aquatic environments in the form of micro/nanoparticles are of environmental and public health concern.
Environ. Sci.: Nano, 2019,6, 2031-2036
https://doi.org/10.1039/C9EN00365G
High and energy-efficient reversible SO2 uptake by a robust Sc(III)-based MOF
MFM-300(Sc) was demonstrated to be an optimal adsorbent for SO2 capture combining high uptake, good stability and excellent cyclability (facile regeneration at only room temperature). A drastic enhancement on its SO2 uptake (40%) was achieved when a small amount of EtOH was preliminary adsorbed.
J. Mater. Chem. A, 2019,7, 15580-15584
https://doi.org/10.1039/C9TA02585E
Inversion of donor–acceptor roles in photoinduced intervalence charge transfers
Upon MLCT photoexcitation, {(tpy)Ru} becomes the electron acceptor in the mixed valence {(tpy˙−)RuIII−δ-NC-MII+δ} moiety, reversing its role as the electron donor in the ground-state mixed valence analogue.
Chem. Commun., 2019,55, 7659-7662
https://doi.org/10.1039/C9CC03483H
Single, double, and triple intercluster bonds: analyses of M2Au36(SR)24 (M = Au, Pd, Pt) as 14-, 12- and 10-ve superatomic molecules
Single, double, and triple-bonds can be found in fused superatomic clusters.
Chem. Commun., 2019,55, 7307-7310
https://doi.org/10.1039/C9CC02970B
Finding a soft spot for vanadium: a P-bound OCP ligand
The first example of a P-bound phosphaethynolato ligand, [OCP]−, to an early 3d transition metal is presented, along with detailed characterization by single crystal X-ray diffraction, SQuID magnetometry, HFEPR spectroscopy, and computational studies.
Chem. Commun., 2019,55, 5966-5969
https://doi.org/10.1039/C9CC01500K
A new approach for the achievement of stable aqueous dispersions of carbon nanotubes
A simple and innovative way to achieve highly stable aqueous dispersions of both multi- and single-walled carbon nanotubes is reported.
Chem. Commun., 2019,55, 5809-5812
https://doi.org/10.1039/C9CC01541H
Radical fluoroalkylation reactions of (hetero)arenes and sulfides under red light photocatalysis
The use of Zn-phthalocyanine in a red-light-driven process for the perfluoroalkylation reactions of (hetero)arenes and sufides represents a friendlier environmental alternative.
Org. Biomol. Chem., 2019,17, 3741-3746
https://doi.org/10.1039/C9OB00486F
Topographical and mechanical properties of liposome surfaces harboring Na,K-ATPase by means of atomic force microscopy
In this study, we obtained unprecedented AFM images of the Na,K-ATPase (NKA) pump after being reconstituted into DPPC and DPPC:DPPE liposomes.
Soft Matter, 2019,15, 2737-2745
https://doi.org/10.1039/C9SM00040B
Slow-spin relaxation of a low-spin S = 1/2 FeIII carborane complex
Slow-spin relaxation through Raman and direct mechanisms of a low-spin S = 1/2 FeIII carborane complex with the metal directly coordinated to the carborane ligand.
Chem. Commun., 2019,55, 3825-3828
https://doi.org/10.1039/C9CC01123D
Streamlining routine organic chemistry reactions by the employment of high shear mixers
High shear mixing contributes to Green Chemistry, saves cost, and reduces long organic reaction times and solvent volume.
Green Chem., 2019,21, 1417-1420
https://doi.org/10.1039/C8GC03923B
Outstanding reversible H2S capture by an Al(III)-based MOF
MIL-53(Al)-TDC was demonstrated to be an optimal adsorbent for acidic H2S capture combining an unprecedented uptake at room temperature, excellent cyclability and low-temperature regeneration.
Chem. Commun., 2019,55, 3049-3052
https://doi.org/10.1039/C8CC09379B
Wearable binary cooperative polypyrrole nanofilms for chemical mapping on skin
Wearable polypyrrole nanofilm arrays have been developed to extend the natural capabilities of the skin.
J. Mater. Chem. A, 2019,7, 5227-5233
https://doi.org/10.1039/C8TA12354C
Dietary (−)-epicatechin affects NF-κB activation and NADPH oxidases in the kidney cortex of high-fructose-fed rats
The activation of NF-κB and NOXs in rat kidney is attenuated by dietary supplementation of (−)-epicatechin.
Food Funct., 2019,10, 26-32
https://doi.org/10.1039/C8FO02230E
Building two-dimensional metal–organic networks with tin
We report the first example of a surface-supported 2D metal–organic network with Sn atoms as coordination centres.
Chem. Commun., 2019,55, 345-348
https://doi.org/10.1039/C8CC08280D
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trans-Hydroboration–oxidation products in Δ5-steroids via a hydroboration-retro-hydroboration mechanism
A trans-product is isolated and characterized under traditional hydroboration–oxidation conditions using Δ5-steroids as substrates. Experimental and theoretical studies indicate that the trans-species occurs via a retro-hydroboration mechanism.
Chem. Sci., 2020,11, 12764-12768
https://doi.org/10.1039/D0SC01701A
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Melting temperature measurement and mesoscopic evaluation of single, double and triple DNA mismatches
A comprehensive experimental and theoretical evaluation of all DNA mismatch contexts, providing an insight into the intra-molecular interactions.
Chem. Sci., 2020,11, 8273-8287
https://doi.org/10.1039/D0SC01700K
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CuA-based chimeric T1 copper sites allow for independent modulation of reorganization energy and reduction potential
Attaining rational modulation of thermodynamic and kinetic redox parameters of metalloproteins is a key milestone towards the (re)design of proteins with new or improved redox functions.
Chem. Sci., 2020,11, 6193-6201
https://doi.org/10.1039/D0SC01620A
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Covalent bonds in positron dihalides
We report a computational study on homo- and heteronuclear e+[X−Y−] compounds formed by two halide anions (X−, Y− = F−, Cl−, Br−) and one positron.
Chem. Sci., 2020,11, 44-52
https://doi.org/10.1039/C9SC04433G
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Unravelling the conductance path through single-porphyrin junctions
By studying transport through seven structurally related porphyrin derivatives with a machine learning algorithm we could identify and distinguish three different electronic paths.
Chem. Sci., 2019,10, 8299-8305
https://doi.org/10.1039/C9SC02497B
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Engineering multilayer chemical networks
History and layer design as new features in dynamic multilayer networks.
Chem. Sci., 2019,10, 8338-8347
https://doi.org/10.1039/C9SC02166C
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Origin of the isotropic motion in crystalline molecular rotors with carbazole stators
Herein we report two crystalline molecular rotors 1 and 4 that show extremely narrow signals in deuterium solid-state NMR spectroscopy.
Chem. Sci., 2019,10, 4422-4429
https://doi.org/10.1039/C8SC04398A
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BODIPY as electron withdrawing group for the activation of double bonds in asymmetric cycloaddition reactions
BODIPY as an EWG in asymmetric catalysis is presented.
Chem. Sci., 2019,10, 4346-4351
https://doi.org/10.1039/C9SC00959K
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Synthesis and characterization of a pair of O-fac/O-mer 12-P-6 alkyloxaphosphates with a P–O–C–C four-membered ring
The synthesis and characterization of a stereoisomer pair of 12-P-6 alkyloxaphosphates synthesised from pentacoordinate phosphoranes.
Chem. Sci., 2019,10, 3466-3472
https://doi.org/10.1039/C8SC05158E
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Insights into mechanochemical reactions at the molecular level: simulated indentations of aspirin and meloxicam crystals
Working towards a fundamental description of mechanochemical reactions through the use of classical molecular dynamics simulations. Capturing the transfer of molecules between two non-volatile molecular crystals during mechanochemical events.
Chem. Sci., 2019,10, 2924-2929
https://doi.org/10.1039/C8SC04971H
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Investigation of the target-site resistance of EPSP synthase mutants P106T and T102I/P106S against glyphosate
Single or double EPSP synthase mutations lead glyphosate to undergo conformational changes that limit its inhibitory action.
RSC Adv., 2020,10, 44352-44360
https://doi.org/10.1039/D0RA09061A
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First total synthesis of versicotide A, B and C
Versicotides A–C, natural products containig anthranilic acid and NMe-Ala, were prepared by Fmoc/SPPS and solution phase macrocyclization.
RSC Adv., 2020,10, 43653-43659
https://doi.org/10.1039/D0RA09635K
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Synthesis of dihydroisoindolo[2,1-a]quinolin-11-ones, their in silico ADMET properties and in vitro antitumor activities
We synthesized a series of dihydroisoindolo[2,1-a]quinolin-11-ones using the imino Diels–Alder reaction and evaluated their biological properties, finding a new hit in anticancer research.
RSC Adv., 2020,10, 42287-42296
https://doi.org/10.1039/D0RA04555A
Assessment of semi-permanent hair dyes in wash water from beauty salons by liquid chromatography-tandem mass spectrometry-selected reaction monitoring (LC-MS/MS-SRM)
Herein, we present an approach for the quantification of semi-permanent hair dyes in wash water samples released during washing of dyed hair employing a liquid chromatography-tandem mass spectrometry-selected reaction monitoring (LC-MS/MS-SRM).
Anal. Methods, 2020,12, 5415-5423
https://doi.org/10.1039/D0AY01395A
Experimental and theoretical determination of physical properties of Sm2Bi2Fe4O12 ferromagnetic semiconductors
Polycrystalline samples of Sm2Bi2Fe4O12 were produced by the standard solid state reaction method.
J. Mater. Chem. C, 2020,8, 14925-14938
https://doi.org/10.1039/D0TC02935A
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Cathodic hydrogen production by simultaneous oxidation of methyl red and 2,4-dichlorophenoxyacetate aqueous solutions using Pb/PbO2, Ti/Sb-doped SnO2 and Si/BDD anodes. Part 1: electrochemical oxidation
In this work, the electrochemical oxidation of a dye and an herbicide was investigated on non-active anodes in aqueous acidic medium in order to understand its effect to produce simultaneously hydrogen as eco-friendly energy alternative.
RSC Adv., 2020,10, 37695-37706
https://doi.org/10.1039/D0RA03955A
Microwave-assisted nucleophilic degradation of organophosphorus pesticides in propylene carbonate
Degradation of organophosphorus pesticides was achieved by using microwaves, an ionic liquid and propylene carbonate.
Org. Biomol. Chem., 2020,18, 7868-7875
https://doi.org/10.1039/D0OB01620A
Adsorption of bovine serum albumin on gold nanoprisms: interaction and effect of NIR irradiation on protein corona
The photothermal conversion efficiency of AuNPr–PEG after albumin corona formation and the effect of irradiation on the protein structure were evaluated.
J. Mater. Chem. B, 2020,8, 8644-8657
https://doi.org/10.1039/D0TB01246G
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Highly sensitive and precise optical temperature sensors based on new luminescent Tb3+/Eu3+ tetrakis complexes with imidazolic counterions
Precise optical temperature sensors based on luminescent Tb3+:Eu3+ tetrakis complexes with imidazolic counterions with high emission quantum yield values and low temperature uncertainty.
Mater. Adv., 2020,1, 1988-1995
https://doi.org/10.1039/D0MA00201A
About this collection
In celebration of the excellence and breadth of Latin American research achievements across the chemical sciences, we are delighted to present a collection of articles showcasing research from authors in Latin America. Guest edited by Gabriel Merino, María Fernández-Herrera, Galo Soler-Illia, Aldo J. G. Zarbin, Vânia G. Zuin, Luciana G. de Oliveira, Márcia Foster Mesko, Cesar Fraga, Ilich A. Ibarra Alvarado, Jairton Dupont, Ana Flávia Nogueira, Carlos Graeff, Heloise Oliveira Pastore, Eufrânio N. da Silva Júnior, and Omar Azzaroni, this collection includes contributions from across the Royal Society of Chemistry journals and highlights a broad range of research topics. We hope you enjoy reading the articles included in this collection.