Materiales avanzados
Materiales avanzados
A Review of X?Ray Imaging at the BAMline (BESSY II)
06/06/2023 -
The hard X?ray beamline BAMline at BESSY II (Berlin, Germany) has now been in service for more than 20?years. This review provides an overview of the imaging methods available at the BAMline....
TUM-ParticleTyper 2: automated quantitative analysis of (microplastic) particles and fibers down to 1 $${upmu }$$ m by Raman microspectroscopy
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Accurate quantification of small microplastics in environmental and food samples is a prerequisite for studying their potential hazard. Knowledge of numbers, size distributions and polymer type...
Construction of an “ON–OFF” fluoroprobe using ionic liquids-modified orange peel-based carbon quantum dots for selective/sensitive permanganate assay in waters and the underlying quenching mechanisms
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Herein, we fabricated blue-fluorescence carbon quantum dots modified by ionic liquids (ILs-CQDs) with a quantum yield of 18.13% by employing orange peel as a carbon source...
Polyamidoamine Dendrimers Functionalized with ZnO-Chitosan Nanoparticles as an Efficient Surface for L-asparaginase Immobilization
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Abstract In this study, the third-generation polyamidoamine dendrimer was functionalized with a 5-amino-1H-tetrazole heterocycle to load the synthesis enzyme and...
Synthetic approaches and applications of an underprivileged 1,2,5?oxadiazole moiety: A review
05/06/2023 -
Synthetic approaches and applications of 1,2,5?oxadiazole.1,2,5?oxadiazole belongs to five?membered heterocyclic compounds with two nitrogen and one oxygen atom. In comparison with other heterocyclic...
Comparative Study on Phenolic Profile and Biological Activities of the Aerial Parts of Sinapis pubescens L. subsp. pubescens (Brassicaceae) Wild from Sicily (Italy)
06/06/2023 -
This work aimed to investigate Sinapis pubescens subsp. pubescens spontaneously grown in Sicily (Italy) as new potential source of active metabolites; specifically, a comparative study on leaf,...
High?Pressure and High?Temperature Dion–Jacobson Layered Perovskite Polymorphs of KWO3F
07/06/2023 -
The structural relationship between the known normal?pressure modification of KWO3F and its two new siblings synthesized under high pressure and at high temperature is explored. The three polymorphs...
Nms?Amides: An Amine Protecting Group with Unique Stability and Selectivity
07/06/2023 -
p?Toluenesulfonyl (Tosyl) and nitrobenzenesulfonyl (Nosyl) are two of the most common sulfonyl protecting groups for amines in contemporary organic synthesis. While p?toluenesulfonamides are known...
Enantio? and Diastereomerically Pure Titanocenes by Dynamic Conformational Locking
07/06/2023 -
: The synthesis of enantiomerically pure titanocenes is limited to cases with enantiomerically pure substituents at the cyclopentadienyl ligands and to ansa?titanocenes. For the latter complexes, the...
One?pot Synthesis of Helical Azaheptalene and Chiroptical Switching of an Isolable Radical Cation
06/06/2023 -
A nitrogen?centered heptalene, azaheptalene, was designed as a representative of a new class of redox?responsive molecules with a large steric strain that originates from the adjacent seven?membered...
Ambient ozone at a rural Central European site and its vertical concentration gradient close to the ground
08/06/2023 -
The representativeness of ambient air quality of an in situ measurement is key in the use and correct interpretation of the measured concentration values. Though the horizontal representativeness...
Green synthesis of Au@g-C3N4 nanocomposite using Hyssopus officinalis extract and its sensing application for vortioxetine determination
08/06/2023 -
Herein, we introduce a stable and green Au@g-C3N4 nanocomposite as a selective electrochemical sensor for vortioxetine (VOR) determination. The electrochemical behavior of VOR on the developed...
Magnetic Anisotropy Transfer from Mono? to Polymetallic Complexes
05/06/2023 -
A series of new tri, hexa and enneametallic oxamato?bridged complexes have been synthesised and characterised. The three heterotrimetallic {Ni2Cu} complexes exhibit significant anisotropy.AbstractThe...
High gas permeability and directional channels of mullite porous ceramics prepared by pectin?based freeze?drying method
06/06/2023 -
New gel system for preparing mullite porous ceramics by gel?casting freeze?drying was proposed, using pectin as gel source and alumina and silica as raw materials. Directional channels were formed...
Evidence of twinning-induced plasticity (TWIP) and ultrahigh hardness in additively-manufactured near-eutectic Ni–Nb
07/06/2023 -
Abstract The temperature-dependent hardness of additively-manufactured near-eutectic Ni–Nb was investigated. This alloy was found to have solidified into a two-phase nanoscale...
Construction of bitter gourd-like Ag-loaded aramid nanofibers aerogel with efficient synergistic adsorption/photocatalytic degradation of crystalline violet and antibacterial activity
06/06/2023 -
Abstract Dyes are environmentally detrimental and prevalent pollutants in water. It is crucial to develop materials for water treatment with both adsorption/photocatalytic and...
New strategy for the synthesis of photo-crosslinkable polyalphaolefin resins and related biocompatible three-dimensional networks
07/06/2023 -
Abstract In this research, functionalization of the easily available polyalphaolefin (PAO) based resins is accomplished by the copolymerization of 1-decene with 9-decenol...
Silkworm Bombyx mori—Sustainability and Economic Opportunity, Particularly for Romania
07/06/2023 -
The main concerns and challenges of raising silkworms include economic value, mulberry management, biodiversity conservation of genetic resources, and developing highly productive breeds for genetic...
A Review of Hydrogen Sensors for ECLSS: Fundamentals, Recent Advances, and Challenges
06/06/2023 -
The development of hydrogen sensors with high detection accuracy, fast response times, long calibration periods, and good stability has become the focus of the space station environmental control and...
Intelligent Prediction of Nitrous Oxide Capture in Designable Ionic Liquids
07/06/2023 -
As a greenhouse gas, nitrous oxide (N2O) is increasingly damaging the atmosphere and environment, and the capture of N2O using ionic liquids (ILs) has recently attracted wide attention. Machine...
Recent Progress in Synthesis and Photonic Applications of Two-Dimensional Bismuthene
06/06/2023 -
The emergence of phosphorene has generated significant interest in 2D group VA nanomaterials. Among this group, bismuthene exhibits layer-dependent direct bandgaps, high carrier mobility, and...
