Results 251 to 260 of about 127,250 (355)

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

open access: yesAdvanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje   +7 more
wiley   +1 more source

Closed‐Loop and Sustainable 4D Printing of Multi‐Stimuli‐Responsive Sulfur‐Rich Polymer Composites for Autonomous Task Execution

open access: yesAdvanced Materials, EarlyView.
Closed‐loop and sustainable 4D printing of sulfur‐rich polymer composites is demonstrated for the first time using loosely crosslinked poly(phenylene polysulfide) networks (PSNs) and their magnetic composites (MPSNs). 3D‐printed PSNs and MPSNs exhibit shape‐morphing capabilities and can be directly reprinted into new form factors and magneto‐responsive
Jae Hyuk Hwang   +10 more
wiley   +1 more source

Conduction System Pacing Versus Biventricular Cardiac Resynchronization Pacing: Meta-Analysis on Outcomes in Patients with Non-Left Bundle Branch Block. [PDF]

open access: yesMedicina (Kaunas)
Pung X   +14 more
europepmc   +1 more source

Sacrificial Biofabrication for Vascularization: Concept, Materials, Technologies, and Applications

open access: yesAdvanced Materials, EarlyView.
Vasculature is indispensable for tissue viability in regenerative medicine. The sacrificial biofabrication enables precise fabrication of vascular channels by using temporary templates that are subsequently removed. This review defines the concept and delves into sacrificial materials, surrounding materials, fabrication technologies, and biomedical ...
Jiezhong Shi   +7 more
wiley   +1 more source

Echocardiographic Manifestations of Left Bundle Branch Block

open access: bronze, 1974
James C. Dillon   +2 more
openalex   +1 more source

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