Results 71 to 80 of about 72,886 (301)

Tuning Amorphous‐Crystalline Catalytic Interfaces by Mechanochemistry: Cu‐Based Metallic Glasses Coupled with Ceria for CO Oxidation

open access: yesAdvanced Materials, EarlyView.
Ball‐milling Cu‐based metallic glasses with ceria creates a unique nanostructure where metallic glass particles are wrapped by CeO2 nanoparticles. The intimate integration triggers copper state reorganization during reaction and aging, boosting CO oxidation and COPrOx activity.
Maahin Mirzay‐Shahim   +17 more
wiley   +1 more source

Polyimide‐Linked Hexaazatriphenylene‐Based Porous Organic Polymer with Multiple Redox‐Active Sites as a High‐Capacity Organic Cathode for Lithium‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
A high‐capacity polyimide‐linked porous organic polymer (HAT‐PTO) incorporating numerous redox‐active centers is synthesized via a hydrothermal reaction, delivering a high theoretical capacity of 484 mAh g−1. In situ hybridization with carboxyl‐functionalized multiwalled carbon nanotubes enhances conductivity and stability, achieving 397 mAh g−1 at C ...
Arindam Mal   +7 more
wiley   +1 more source

Antimicrobial Efficacy of Intracanal Medicaments Incorporated With Nanoparticles in Primary Teeth: An In Vitro Study

open access: yesThe Scientific World Journal
Placing an intracanal medicament helps in the disinfection of primary root canals, and nanoparticles enhance the material properties by increasing the physical and chemical reactivity.
Azra Kaukab, Sridhar Nekkanti
doaj   +1 more source

Effect of Combination of Calcium Hydroxide and 2% Chlorhexidine Gel as Intracanal Medications in Comparison to Calcium Hydroxide Paste on Postoperative Pain and Bacterial Endotoxins in Necrotic Teeth: Randomized Clinical Trial [PDF]

open access: yesAin Shams Dental Journal
Aim: Assessment of post-operative pain and quantification of bacterial endotoxins in adult patients suffering from necrotic pulp condition with chronic periapical periodontitis by using calcium hydroxide paste intracanal medication with 2% chlorhexidine ...
Yasser Hendy   +3 more
doaj   +1 more source

Flexible Dielectric Acoustic Resonator Patch for Tissue Regeneration

open access: yesAdvanced Materials, EarlyView.
A flexible dielectric acoustic resonator patch enables MHz‐range ultrasound generation through resonance amplification without using piezoelectric materials. Conformal integration on a curved substrate allows efficient acoustic delivery to tissue‐mimicking environments.
Donyoung Kang   +7 more
wiley   +1 more source

Calcium hydroxide [MAK Value Documentations, 2013]

open access: yes, 2016
The German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has derived a maximum concentration at the work place (MAK value) for calcium hydroxide, considering all toxicity endpoints.
Bartsch, R   +5 more
core   +2 more sources

Efeito da irrigação passiva ultrassônica na difusão de íons hidroxila através da dentina radicular: estudo ex vivo [PDF]

open access: yes, 2013
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Odontologia.O objetivo deste trabalho foi avaliar o efeito da irrigação ultrassônica passiva (IUP) na difusão, através da dentina radicular, de íons hidroxila ...
Cidade, Fernanda Helaine
core  

Elephant‐Skin‐Inspired Porous Cementitious Tiles with Programmable Crack Networks for Passive Cooling

open access: yesAdvanced Materials, EarlyView.
Elephant‐skin‐inspired crack networks are programmed in porous diatomaceous earth (DE)‐cement composites using substrate‐guided, stress‐concentration induced fracture. The resulting crack lattices act as capillary conduits that redistribute water, while the porous matrix stores moisture.
Qingya Huang   +5 more
wiley   +1 more source

Ruminal parameters of bovines fed diets based on sugar cane with doses of calcium hydroxide

open access: yesRevista Brasileira de Zootecnia, 2012
The objective of this study was to evaluate the administration of different doses of calcium hydroxide mixed with sugar cane fed to cows by the pH, ammonia nitrogen and volatile fatty acids concentration in ruminal content.
Alexandre Menezes Dias   +5 more
doaj   +1 more source

Advances in Magnesium‐Based Thermoelectrics: A Critical Review

open access: yesAdvanced Materials, EarlyView.
Magnesium‐based thermoelectric materials have emerged as promising candidates for low‐to‐mid‐temperature energy conversion due to their abundance, low cost, and competitive performance. This review summarizes recent advances in Mg3X2, MgAgSb, and Mg2X systems, covering transport mechanisms, fabrication strategies, stability challenges, and device ...
Li‐Min Zhang   +5 more
wiley   +1 more source

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