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  • 1
    facet.materialart.
    Unbekannt
    MDPI - Multidisciplinary Digital Publishing Institute
    Publikationsdatum: 2024-04-05
    Beschreibung: The future of the precious metals is shiny and resistant. Although expensive and potentially replaceable by transition metal catalysts, precious metal implementation in research and industry shows potential. These metals catalyze oxidation and hydrogenation due to their dissociative behavior toward hydrogen and oxygen, dehydrogenation, isomerization, and aromatization, etc. The precious metal catalysts, especially platinum-based catalysts, are involved in a variety of industrial processes. Examples include Pt–Rh gauze for nitric acid production, the Pt/Al2O3 catalyst for cyclohexane and propylene production, and Pd/Al2O3 catalysts for petrochemical hydropurification reactions, etc. A quick search of the number of published articles in the last five years containing a combination of corresponding “metals” (Pt, Pd, Ru, Rh and Au) and “catalysts” as keywords indicates the importance of the Pt catalysts, but also the continuous increase in the contribution of Pd and Au. This Special Issue reveals the importance of precious metals in catalysis and focuses on mono- and bi-metallic formulations of any supported precious metals and their promotional catalytic effect of other transition metals. The application of precious metals in diverse reactions, either homogeneous or heterogeneous, and studies of the preparation, characterization, and applications of the supported precious metal catalysts, are presented.
    Schlagwort(e): QD1-999 ; QD146-197 ; Q1-390 ; sustainable ammonia synthesis ; Pt3Sn alloy ; alkenols ; n/a ; PtSn alloy ; propane dehydrogenation ; chelate ; photodegradation ; gold nanoparticles ; photochemical ; alkynols ; triple bond electron charge ; palladium catalyst ; Pt/Al2O3 ; 2-methyl-3-butyn-2-ol ; hydrogen storage ; X-ray crystallography ; ruthenium ; platinum dispersion ; gold catalysts ; reduction temperature ; DOC ; palladium ; renewable hydrogen ; 1-propanol ; 4-hydroxyproline ; glycerol ; 2-?-benzylproline ; proline ; hydrogen bonding ; oxidative coupling ; glucose oxidation ; stabilizing agent ; titania ; 4-fluoroproline ; turnover frequency ; porous carbons ; Pt–Sn/Al2O3 ; P25@Pd ; catalyst synthesis ; 2-propanol ; amino acid ; azetidine ; precious metals ; clay ; gas phase hydrogenation ; CNTs ; 3-butyn-2-ol ; Pd/Al2O3 ; heterogeneous enantioselective hydrogenation ; XPS ; microwave ; caesium ; perovskite ; CO oxidation ; Au–TiO2 ; dodecahydro-N-ethylcarbazole ; phenol photo-degradation ; pipecolinic acid ; 3-butyn-1-ol ; acetophenone ; drying ; palladium catalysts ; N-methylproline ; dehydrogenation ; PVA ; aging ; hydrodechlorination ; hydrogenolysis ; dispersion ; direct reduction ; core-shell ; thema EDItEUR::P Mathematics and Science::PN Chemistry
    Sprache: Englisch
    Format: application/octet-stream
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    facet.materialart.
    Unbekannt
    MDPI - Multidisciplinary Digital Publishing Institute
    Publikationsdatum: 2024-04-05
    Beschreibung: The characterization of peptides and proteins is central to understanding their function and expression in biological matrices. Moreover, these macromolecules are important biomarkers of many human diseases. In recent years, the performance of separation techniques based on electromigration have significantly increased. The development of microdevices has reduced sample consumption and waste production while high-sensitivity detectors, such as mass spectrometry (MS) or laser-induced fluorescence (LIF), have significantly improved with regards to separation efficiency and detection limits. All of these advancements have led to appreciably enlarged fields of application. Nowadays, a multitude of studies using separation techniques based on electromigration to study proteins and peptides from numerous real matrices are available in the literature. This Special Issue covers the most recent knowledge and advances in the study of peptides and proteins using several electrophoresis techniques, as well as the characterization of relevant proteins and peptides in application areas such as clinical studies, functional foods, and toxicology.
    Schlagwort(e): QD1-999 ; Q1-390 ; QD450-801 ; seed phosphoproteomics ; LC-ESI-MS ; purity ; transferrin ; CE-LIF ; enzyme assay ; thioglucosidase ; capillary electrophoresis ; venom composition ; immunoassay ; fluorescence ; seed proteomics ; SEC-HPLC ; desulfo-sinigrin ; metalloproteins ; seed quality traits ; seed glycoproteomics ; proteomics ; sulfatase ; on-gel detection ; non-covalent binding ; Naja ashei ; myrosinase ; SDS-PAGE ; carbon dots ; 2-D electrophoresis ; fragment ; rhIL-12 ; seed molecular breeding ; chip-based CE-LIF assay ; thema EDItEUR::P Mathematics and Science::PN Chemistry
    Sprache: Englisch
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2024-03-23
    Beschreibung: The volume, dedicated to the 44th International Conference of the Italian Union for Drawing, investigates the theme of ‘Transitions’, which particularly effectively represents our time and the current condition of the discipline of Drawing. The term, beyond its generic meaning of an intermediate stage in a process in which a condition changes from one state to another, has always been used in various fields, from music to geophysics. In fact, the disciplines of drawing have always been confronted with themes and issues relating to transitions from one condition to another. The history of representation tells us of transformations, even epochal ones, relating to ‘drawing’, with all that such transitions entail: suffice it to think of the evolution of forms of representation, of instrumental apparatuses, of the mutability of supports, of the analogical-digital transition underway, of the new modes of communication on platforms, of the hypertrophic offer of images also on the net that confirms Guy Debord’s intuitions relating to the new spectacularisation of society. Similarly, representation triggers transitions in the prefiguration and communication of design, the anticipation and foreshadowing of future events.The challenges posed by the digital pose open questions whose scope can only be glimpsed, such as the relationship between drawing and the act of modelling, and the construction of new paradigms of visual language and communication. ‘Transitions’, almost implicitly, points to possible futures, the evolution of technique and the search for new modes of expression; at the same time, however, it can suggest silences and reflections in a process of connection between history, theory, criticism and construction.
    Schlagwort(e): Transitions ; Cross ; Modulate ; Develop ; Drawing ; Science of Representation ; thema EDItEUR::A The Arts::AM Architecture::AMC Architectural structure and design ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBG Engineering graphics and draughting / technical drawing ; thema EDItEUR::A The Arts::AG The Arts: treatments and subjects::AGZ The Arts: techniques and principles
    Sprache: Italienisch , Englisch , Spanisch
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 4
    facet.materialart.
    Unbekannt
    MDPI - Multidisciplinary Digital Publishing Institute
    Publikationsdatum: 2024-04-05
    Beschreibung: The use of nanotechnologies in the food-packaging area has opened up a number of possibilities derived from the inherent characteristics of nanoadditives, which can either improve relevant properties of neat polymers (such as barrier or mechanical properties) or introduce new functionalities (for active and bioactive packaging applications or even for sensing). This is an exciting and rapidly growing field of study, and very interesting developments are unfolding. Although the aim of these novel materials is to improve packaged food quality and safety, the toxicological effects derived from their potential migration from the polymer structures is also under consideration. This Special Issue compiles a review and five original papers describing novel nanocomposites with improved packaging properties, the use of nanotechnologies for smart packaging applications, and nanoparticle migration studies from novel nanocomposites.
    Schlagwort(e): QD1-999 ; nanofillers ; nanocellulose ; barrier biocomposites ; Nanocomposites ; antimicrobial packaging ; bioactive packaging ; migration ; active surfaces ; thema EDItEUR::P Mathematics and Science::PN Chemistry
    Sprache: Englisch
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 5
    Publikationsdatum: 2024-04-07
    Beschreibung: The volume, dedicated to the 44th International Conference of the Italian Union for Drawing, investigates the theme of ‘Transitions’, which particularly effectively represents our time and the current condition of the discipline of Drawing. The term, beyond its generic meaning of an intermediate stage in a process in which a condition changes from one state to another, has always been used in various fields, from music to geophysics. In fact, the disciplines of drawing have always been confronted with themes and issues relating to transitions from one condition to another. The history of representation tells us of transformations, even epochal ones, relating to ‘drawing’, with all that such transitions entail: suffice it to think of the evolution of forms of representation, of instrumental apparatuses, of the mutability of supports, of the analogical-digital transition underway, of the new modes of communication on platforms, of the hypertrophic offer of images also on the net that confirms Guy Debord’s intuitions relating to the new spectacularisation of society. Similarly, representation triggers transitions in the prefiguration and communication of design, the anticipation and foreshadowing of future events.The challenges posed by the digital pose open questions whose scope can only be glimpsed, such as the relationship between drawing and the act of modelling, and the construction of new paradigms of visual language and communication. ‘Transitions’, almost implicitly, points to possible futures, the evolution of technique and the search for new modes of expression; at the same time, however, it can suggest silences and reflections in a process of connection between history, theory, criticism and construction.
    Schlagwort(e): Transitions ; Cross ; Modulate ; Develop ; Drawing ; Science of Representation ; thema EDItEUR::A The Arts::AM Architecture::AMC Architectural structure and design ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBG Engineering graphics and draughting / technical drawing ; thema EDItEUR::A The Arts::AG The Arts: treatments and subjects::AGZ The Arts: techniques and principles
    Sprache: Italienisch , Englisch , Spanisch
    Format: image/jpeg
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 6
    Publikationsdatum: 2024-03-23
    Beschreibung: The volume, dedicated to the 44th International Conference of the Italian Union for Drawing, investigates the theme of ‘Transitions’, which particularly effectively represents our time and the current condition of the discipline of Drawing. The term, beyond its generic meaning of an intermediate stage in a process in which a condition changes from one state to another, has always been used in various fields, from music to geophysics. In fact, the disciplines of drawing have always been confronted with themes and issues relating to transitions from one condition to another. The history of representation tells us of transformations, even epochal ones, relating to ‘drawing’, with all that such transitions entail: suffice it to think of the evolution of forms of representation, of instrumental apparatuses, of the mutability of supports, of the analogical-digital transition underway, of the new modes of communication on platforms, of the hypertrophic offer of images also on the net that confirms Guy Debord’s intuitions relating to the new spectacularisation of society. Similarly, representation triggers transitions in the prefiguration and communication of design, the anticipation and foreshadowing of future events.The challenges posed by the digital pose open questions whose scope can only be glimpsed, such as the relationship between drawing and the act of modelling, and the construction of new paradigms of visual language and communication. ‘Transitions’, almost implicitly, points to possible futures, the evolution of technique and the search for new modes of expression; at the same time, however, it can suggest silences and reflections in a process of connection between history, theory, criticism and construction.
    Schlagwort(e): Transitions ; Cross ; Modulate ; Develop ; Drawing ; Science of Representation ; thema EDItEUR::A The Arts::AM Architecture::AMC Architectural structure and design ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBG Engineering graphics and draughting / technical drawing ; thema EDItEUR::A The Arts::AG The Arts: treatments and subjects::AGZ The Arts: techniques and principles
    Sprache: Italienisch , Englisch , Spanisch
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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