Results 21 to 30 of about 2,671,326 (248)

Utilization of Fly Ash in Road Construction in South Africa: Environmental Assessment [PDF]

open access: yes, 2016
Published Conference ProceedingUsing fly ash as alterative material in place of conventional materials is continually gaining interest over decades. This results from its international recognition as non-hazardous construction material.
Adedeji, Jacob Adedayo   +2 more
core  

Advanced MXene‐Based Multifunctional Nanoarchitecture Materials Engineered for Adsorptive Cleanup of Hazardous Radioactive Pollutants: A Comprehensive Critical Review

open access: yesAdvanced Materials Interfaces, EarlyView.
This work critically reviews MXenes as highly effective multifunctional nanomaterials for the adsorption of radio‐contaminants, demonstrating a remarkable adsorption capacity of up to 1376.75 mg/g and cyclic stability of 2–8 cycles, with complexation, electrostatic interactions, and the numerical strength of MXene active sites playing a key operational
Stephen Sunday Emmanuel   +1 more
wiley   +1 more source

Climate‐Mode Precursors and the Predictability of Amazon Hot and Dry Extremes

open access: yesEarth's Future
We characterize the dependence between lagged large‐scale climate modes and Amazon climate extremes and assess whether monthly precursor signals enable early warning of compound hot‐dry events.
Sanaa Hobeichi   +5 more
doaj   +1 more source

A Quiet Crisis in America [PDF]

open access: yes, 2002
Final report of the Commission on Affordable Housing and Health Facility Needs for Seniors in the 21st Century describing their activities and findings regarding the state of housing and care for seniors in the United States. The report includes sections
United States. Commission on Affordable Housing and Health Facility Needs for Seniors in the 21st Century.
core  

Chitin‐Chitosan Cryogels for the Reversible Sequestration and Recovery of Heavy Metals From Wastewater

open access: yesAdvanced Materials Technologies, EarlyView.
Chitin‐chitosan cryogels with degrees of N‐acetylation from 12.2% to 71.4% are fabricated by dissolution, coagulation and lyophilization for the sequestration of heavy metals from water. Colorimetry and differential pulse voltammetry showed controlled adsorption and desorption capacities for As5+, Co2+ and Cu2+, making this material attractive for ...
Marta García‐Castrillo   +4 more
wiley   +1 more source

Commercialization of university research brings benefits, raises issues and concerns

open access: yesCalifornia Agriculture, 2000
New commercial opportunities, patent laws and federal policies, as well as growth in private-sector research and a relative decline in public-sector funding for agricultural research, have contributed to a changing collaborative ...
William B. Lacy
doaj   +1 more source

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Distribution of DJ-1, Parkinson’s Disease-Related Protein PARK7, and Its Alteration in 6-Hydroxydopamine-Treated Hemiparkinsonian Rat Brain

open access: yesJournal of Pharmacological Sciences, 2006
DJ-1 has multiple functions and its dysfunction may be linked to the onset of familial Parkinson’s disease PARK7. However, the function and distribution of DJ-1 is unclear.
Takashi Yanagida   +7 more
doaj   +1 more source

Flexoelectricity in Photoconversion: Fundamentals, Materials, and Outlooks

open access: yesAdvanced Science, EarlyView.
Mechanical bending of a flexible cantilever induces a strain gradient in the photoactive material. The resulting flexoelectric field couples with photovoltaic and photoconductive effects, modulating charge generation, separation, and collection. A comparative analysis of oxide perovskites, halide perovskites, and two‐dimensional materials is presented,
Xiang Huang, Feng Li, Rongkun Zheng
wiley   +1 more source

Halide Perovskite: A Rich Source of Thermal Insulator

open access: yesAdvanced Science, EarlyView.
Halide perovskites exhibit ultralow thermal conductivity driven by intrinsic lattice softness and strong anharmonicity, falling below conventional defect‐engineering limits. Weak metavalent bonding, A‐site rattling, and dynamic octahedral tilting drive phonon scattering to the Ioffe–Regel limit, where wave‐like tunneling replaces particle‐like ...
Haolin Ye   +3 more
wiley   +1 more source

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