Results 1 to 10 of about 2,272,917 (259)

Thermoresponsive and xenon-triggered gate-opening in flexible three-dimensional covalent organic framework for selective xenon capture

open access: yesNature Communications
The development of dynamically responsive soft porous crystals (SPCs) is crucial for advanced gas separation due to their stimuli-triggered structural transitions.
Yongzheng Wang   +7 more
doaj   +1 more source

Weighted gene co-expression network analysis of nitrogen (N)-responsive genes and the putative role of G-quadruplexes in N use efficiency (NUE) in rice

open access: yesFrontiers in Plant Science, 2023
Rice is an important target to improve crop nitrogen (N) use efficiency (NUE), and the identification and shortlisting of the candidate genes are still in progress.
Narendra Sharma   +4 more
doaj   +1 more source

Polynitromethyl high-energy materials with a tricyclic furoxan-oxadiazole scaffold: Synthesis, stability, and detonation performance

open access: yesDefence Technology
Polynitromethyl explosives exhibit outstanding detonation performance, yet their application is significantly hindered by safety concerns. Thus, enhancing the stability of polynitromethyl high-energy density materials (HEDMs) while maintaining high ...
Qi Xue   +8 more
doaj   +1 more source

Self-assembled nanointerfaces with highly efficient Li+ transport for ultra-stable lithium metal batteries

open access: yesNano Research
Unstable electrode-electrolyte interface and uncontrolled lithium dendrite growth lead to rapid capacity decay and safety hazards, significantly hindering the practical application of lithium metal batteries (LMBs).
Dan Zhao   +6 more
doaj   +1 more source

Biomimetic synthesis of vesicular covalent organic frameworks by gemini surfactants for in-situ enzyme cascade immobilization

open access: yesNature Communications
In nature, enzymes in biofilms often lack robustness and chemical functionality. Covalent organic frameworks (COFs) have emerged as a robust platform for enzyme immobilization, but mimicking biofilm structures for in-situ enzyme immobilization remains ...
Jin Zhang   +4 more
doaj   +1 more source

A data-driven reduced-order model for fast prediction of resonant acoustic flow under vertical vibration based on secondary decomposition

open access: yesAIP Advances
Accurate dimensionality reduction models are crucial for constructing real-time computational digital twin systems for process equipment. To deepen the understanding of acoustic resonance flow mechanisms and optimize equipment design, a high-precision ...
Yuqi Gao   +5 more
doaj   +1 more source

RNA-Seq study reveals genetic responses of diverse wild soybean accessions to increased ozone levels

open access: yesBMC Genomics, 2017
Background Ozone is an air pollutant widely known to cause a decrease in productivity in many plant species, including soybean (Glycine max (L.) Merr).
Nathan Waldeck   +5 more
doaj   +1 more source

Phase engineering enables tunable metal–support interactions for enhanced NH3-AEMFC performance [PDF]

open access: yesIndustrial Chemistry & Materials
The ammonia oxidation reaction (AOR) is a key challenge limiting the performance of direct ammonia anion exchange membrane fuel cells (DA-AEMFCs) due to sluggish kinetics and catalyst poisoning.
Chentao Mao   +7 more
doaj   +1 more source

Asymmetric Co2+–Ov–Co3+ Sites With Strong d–π* Interactions for Activating Nitrogen Toward Photocatalytic Ammonia Synthesis

open access: yesSusMat
Solar‐driven photocatalytic nitrogen reduction reaction (p‐NRR) offers a sustainable pathway for ammonia synthesis under ambient conditions. However, its efficiency is fundamentally hampered by the kinetic inertness of the N≡N triple bond.
Hang Xiao   +6 more
doaj   +1 more source

Single atom catalysts for electrocatalytic C–N coupling: From dynamic mechanism to rational design

open access: yesNano Research
Electrocatalysis for C–N coupling reactions (EcnRR) plays a crucial role in the synthesis of various organic molecules. However, the C–N coupling process is inherently complex and kinetically sluggish. Single atom catalysts (SACs), with their high atomic
Chao Zhao   +5 more
doaj   +1 more source

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