Materiales
Materiales
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....
Thermo?oxidative aging behavior and lifetime prediction of rubber latex foam with various natural?to?synthetic ratios
07/06/2023 -
Rubber latex foam (RLF) is widely used in daily life and its characteristics are active areas of research. However, the thermo?oxidative aging behaviors of RLF at high temperatures have not been...
Polymeric Memristor Based Artificial Synapses with Ultra?Wide Operating Temperature
08/06/2023 -
An organic polymeric memristive device using MDMO?PPV is demonstrated. The unencapsulated devices maintain reliable memristive switching behavior under an ultra?wide temperature range (77–573 K)....
Localized Nanoparticle?Mediated Delivery of miR?29b Normalizes the Dysregulation of Bone Homeostasis Caused by Osteosarcoma whilst Simultaneously Inhibiting Tumor Growth
08/06/2023 -
A formulation of miR?29b:nanoparticles is developed that is delivered via a hyaluronic?based hydrogel to enable local and sustained release of the therapy and to study the potential of attenuating...
A novel single-particle multiple-signal sensor array combined with multidimensional data mining for the detection of tricarboxylic acid cycle metabolites and discrimination of cells
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Tricarboxylic acid (TCA) metabolites in cancer cells show a marked difference from those in normal cells. Herein, we report a single-particle multiple-signal lanthanide/europium-based...
Blocker-dUThiophene poly tailing-based method for assessing methyl transferase activity
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In this report, we present a method for the selective and sensitive detection of methyl transferase activity. The method uses a dsDNA probe that contains C3 spacers and is coupled with...
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...
Purification and structural analysis of a novel polysaccharide from Rehmannia Radix Praeparata
07/06/2023 -
Rehmannia Radix Praeparata Polysaccharide was purified to obtain molecular fraction (RRPP), through the monosaccharide composition analysis and periodic acid oxidative?smith degradation studies the...
The designation, synthesis, and affinity determination of affinity peptide for anthrax protective antigen
07/06/2023 -
This article utilized template?based molecular docking of peptides and receptors to identify six highly valuable mutation sites. Subsequent amino acid multi?site mutations were conducted to establish...
Solvothermal Liquefaction of Industrial Soda Lignin into Functional Chemicals
06/06/2023 -
Aiming at the valorization of the pulp?and?paper mill by?product lignin derived from agro residues, solvothermal depolymerization of lignin was used to optimize the process parameters for the...
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...
Iron?Catalyzed Alkoxylation, Dehydrogenative?Polymerization and Tandem Hydrosilylative?Alkoxylation
07/06/2023 -
Alkoxylation, hydrosilylative?alkoxylation, and dehydrogenative?polymerization are some of the most widely used transformations in synthetic chemistry. However, these transformations are...
Gold(I)?Mediated Cyclizations of Triene?Yne Systems: an Easy Access to Cyclopenta?Fused Anthracenes
07/06/2023 -
The direct synthesis of cyclopenta?fused anthracenes (CP?anthracenes) through a gold(I)?catalyzed cyclization reaction of easily available triene?yne systems bearing a benzofulvene substructure, is...
Direct C(3)5?H Polyfluoroarylation of 2?Amino/alkoxy Pyridines Enabled by a Transient and Electron?deficient Palladium Intermediate
07/06/2023 -
A transiently formed electrophilic polyfluoroaryl?Pd species overrides the unproductive N?coordination enabling a remote selective polyfluoroarylation of 2?amino/alkoxy?pyridines. The strategy...
Low?Pressure Sensitive Piezochromic Fluorescence Switching of Tetraphenylethylene?Anthraquinone
07/06/2023 -
Highly sensitive piezochromic fluorescent switching under low?pressure regimes (?60?kPa) of tetraphenylethylene?anthraquinone (TPE?AQ) is based on the controlled molecular design and polymorphic...
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...
