Results 71 to 80 of about 358,721 (324)

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

open access: yesAdvanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee   +4 more
wiley   +1 more source

Influence of superplasticizer on workability and strength of ambient cured alkali activated mortar

open access: yesCleaner Materials, 2022
Alkali activated materials contain aluminosilicates, which can be used for building with a low environmental impact by repurposing waste resulting in cost-effective construction.
Elsa Paul
doaj   +1 more source

Comparative environmental footprint analysis of ultra-high-performance concrete using Portland cement and alkali-activated materials

open access: yesFrontiers in Built Environment, 2023
Considering the ambitious greenhouse gas emission reduction and efficient use of resource targets set by the Sustainable Development Goals and the importance of concrete structures to achieve these goals, there is an increasing need to study the ...
Dilan Glanz   +6 more
semanticscholar   +1 more source

Application of electrochemical methods for studying steel corrosion in alkali‐activated materials

open access: yesMaterials and Corrosion, 2023
Alkali‐activated materials (AAMs) are binders that can complement and partially substitute the current use of conventional cement. However, the present knowledge about how AAMs protect steel reinforcement in concrete elements is incomplete, and ...
S. Mundra   +15 more
semanticscholar   +1 more source

Water content modifies the structural development of sodium metasilicate-activated slag binders [PDF]

open access: yes, 2015
The effect of modifying the water content of an alkali - activated slag binder was assessed, in terms of the kinetics of reaction and the structural development of the material.
Bernal, S.A.   +3 more
core  

Symmetry induced stability in alkali doped calcium-silicate-hydrate

open access: yes, 2018
CO$_2$ emissions originating from the construction industry have a significant impact on global warming where the production of ordinary Portland cement clinker is responsible for approximately 8\% of all human-made CO$_2$.
Garg, Nishant   +2 more
core   +1 more source

Atomic‐Level Dual‐Cation Engineering Enables High‐Performance Na4VMn(PO4)3 Cathodes for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Dual‐cation site engineering unlocks stable and fast sodium storage in Na4VMn(PO4)3 cathodes. Li+ at Na2 suppresses Jahn‐Teller distortion, while K+ at Na1 expands ion channels, enabling synchronized V/Mn redox and quasi‐single‐phase kinetics. This atomic‐level strategy achieves ultralong cycling stability, high‐rate capability, and full cell viability
Jiaze Sun   +8 more
wiley   +1 more source

Interactions of Various types between Rock and Alkali-Activated Blast Furnace Slag

open access: yesGeoScience Engineering, 2017
Alkali-activated binders (AAB) are very intensively studied materials nowadays. Because of possible usage as secondary raw materials, they can be environmentally efficient.
Mec Pavel, Gembalová Lucie
doaj   +1 more source

Effect of waste oyster shell powder on the properties of alkali-activated slag–waste ceramic geopolymers

open access: yesJournal of Materials Research and Technology, 2023
The ceramic and oyster farming industries produce large amounts of waste ceramics and oyster shells. Meanwhile, alkali-activated materials are less environmentally impacted materials with the potential to replace Portland cement.
Gui-Yu Zhang   +2 more
doaj   +1 more source

All‐Aqueous Pullulan Fibers Enabling Visible‐to‐Near‐Infrared Waveguiding with Mechanical and Thermal Resilience

open access: yesAdvanced Functional Materials, EarlyView.
Pullulan, a biomass‐derived polysaccharide, is transformed into transparent optical fibers using a solvent‐free borax hydrogel‐spinning method. The fibers outperform PMMA with ≈200 MPa tensile strength and 200 °C stability, while uniquely guiding visible‐to‐NIR light and enabling additive‐free humidity sensing.
Yuya Fukata   +4 more
wiley   +1 more source

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