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Plan de cuidados de enfermería para la prevención de úlceras por presión secundarias a la posición prono en pacientes COVID-19

Lyda Zoraya Rojas, Liliana Andrea Mora Rico, Jennifer Vanesa Acosta Barón, Luisa Yaneth Cristancho Zambrano et al. • Revista Cuidarte (2021)

  Resumen Introducción: La posición prono (PP) es una alternativa terapéutica ampliamente recomendada e implementada en los pacientes con COVID-19. Sin embargo, aunque es un procedimiento no invasivo, es complejo y se asocia con even...

DOAJ Open Access (DOAJ) DOI: 10.15649/cuidarte.2234

Low-frequency noise analysis on asymmetric damage and self-recovery behaviors of ZnSnO thin-film transistors under hot carrier stress

Wonjun Shin, Ji Ye Lee, Jangsaeng Kim, Sang Yeol Lee et al. • Discover Nano (2024)

Abstract The need for understanding the low-frequency noise (LFN) of metal oxide semiconductor thin-film transistors (TFTs) is increasing owing to the substantial effects of LFN in various circuit applications. A focal point of inquiry pert...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-024-04081-x

Advances of Single‐Atomic Cobalt Catalysts in Liquid‐Phase Selective Oxidative Reactions

Jiaquan Li, Kai Wang, Yijiao Jiang, Jun Huang et al. • Small Science (2023)

Single‐atom catalysts (SACs) composed of atomically dispersed metal‐active sites embedded in supporting substrates are attracting increasing attention in liquid‐phase selective oxidation reactions with joint merits of both advanced catalyti...

DOAJ Open Access (DOAJ) DOI: 10.1002/smsc.202300079

Gasification of Lignocellulosic Waste in Supercritical Water: Study of Thermodynamic Equilibrium as a Nonlinear Programming Problem

Julles Mitoura dos Santos Junior, Adriano Pinto Mariano • Eng (2024)

As one of the main industrial segments of the current geoeconomics scenario, agro-industrial activities generate excessive amounts of waste. The gasification of such waste using supercritical water (SCWG) has the potential to convert the wa...

DOAJ Open Access (DOAJ) DOI: 10.3390/eng5020060

Electrical Properties of Electrospun Fibers of PANI-PMMA Composites

Jagadeesh Babu Veluru, Satheesh K. K., Trivedi D.C., Murthy V. Ramakrishna, Ph.D et al. • Journal of Engineered Fibers and Fabrics (2007)

Electrospinning is one of the simplest techniques for obtaining polymer nano fibers. Nanofibers have large surface area to volume ratio and hence have excellent application potential in sensors, filter design etc. Polyaniline (PANI) is the ...

DOAJ Open Access (DOAJ)

Three-dimensional structure and formation mechanisms of Y2O3 hollow-precipitates in a Cu-based metallic glass

Oriane Baulin, Thierry Douillard, Damien Fabrègue, Michel Perez et al. • Materials & Design (2019)

Recently, the high ductility of Cu-based bulk metallic glasses (BMGs) has been directly linked to the presence of Y2O3 precipitates, and surrounding crystallized areas. Nevertheless, the formation of the precipitates remains to be defined. ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2019.107660

A Rechargeable Zinc–Copper Voltaic Battery Built from Cost-Effective Electrodes and Electrolytes

Jose Fernando Florez Gomez, Songyang Chang, Irfan Ullah, Juan C. Velez Reyes et al. • Batteries (2026)

The zinc–copper (Zn-Cu) voltaic battery is the first battery made in human history, but the Cu2+ dissolution issue leads to the reaction’s irreversibility. To tackle this challenge, solid-state electrolytes, ion exchange membranes, and func...

DOAJ Open Access (DOAJ) DOI: 10.3390/batteries12060215

GO supported Fe doped Ni(OH)2 hexagonal nanosheets for hydrogen evolution reaction in neutral electrolytes

Junping Hu, Youxing Liu • Materials Research Express (2021)

Exploiting non-noble metals catalysts with excellent performance for hydrogen evolution reaction (HER) has aroused gigantic interest, but still challenges. Herein, we reported the graphene oxide (GO) supported Fe doped Ni(OH) _2 hexagonal n...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/abecad

Nanomaterials in nuclear engineering and radioecology

Ivan Gundarovich Tananaev, G. A. Sarychev, Boris F. Myasoedov • Nanotechnologies in Russia (2016)

Key results concerning large-scale application of nanomaterials in nuclear engineering are reviewed. The data on redox reactions of uranium and actinides in solutions and solid-phase transformations for the development of modern technologie...

OPENALEX DOI: https://doi.org/10.1134/s1995078016010158

Experimental investigation on phase change behavior of nanocomposite phase change material filled inside the shell and tube heat exchanger

Ayyappan M, Muthiah A • Materials Research Express (2026)

In this paper, melting and solidification characteristics of composite PCM filled inside the shell and tube heat exchanger were investigated experimentally. ZnO nanoparticles (NPs) were synthesized using the sol–gel method. Myristic acid (M...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/ae44e7

Unveiling the Assembly of Neutral Marine Polysaccharides into Electrostatic-Driven Layer-by-Layer Bioassemblies by Chemical Functionalization

Luís P. G. Monteiro, João Borges, João M. M. Rodrigues, João F. Mano • Marine Drugs (2023)

Marine-origin polysaccharides, in particular cationic and anionic ones, have been widely explored as building blocks in fully natural or hybrid electrostatic-driven Layer-by-Layer (LbL) assemblies for bioapplications. However, the low chemi...

DOAJ Open Access (DOAJ) DOI: 10.3390/md21020092

Enhanced Photocatalytic Degradation Activity of BiFeO3 Microspheres by Decoration with g-C3N4 Nanoparticles

Lijing Di, Hua Yang, Tao Xian, Xiujuan Chen • Materials Research (2018)

In this work, the g-C3N4 nanoparticles decorated BiFeO3 microspheres composites (g-C3N4/BiFeO3) were successfully synthesized by hydrothermal treatment of g-C3N4 nanoparticles together with BiFeO3 microspheres. The SEM and HRTEM observation...

DOAJ Open Access (DOAJ) DOI: 10.1590/1980-5373-mr-2018-0081

Formation of surfaces oxide vacancies in porous ZnCo2O4 nanoflowers for enhanced energy storage performance

Deyang Zhang, Binhe Feng, Wenbo Guo, Jinbing Cheng et al. • Discover Nano (2025)

Abstract A cost-effective and large-scale method for synthesizing ZnCo2O4 nanoflowers with surface oxygen vacancies as electrode materials for supercapacitors is presented. The existence of oxygen vacancies on the surface of the ZnCo2O4 nan...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-025-04347-y

A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites

D. H. Fu, Y. H. Zhan, N. Yan, H. S. Xia • eXPRESS Polymer Letters (2015)

Natural rubber containing graphene and carbon nanotubes (CNTs) composites were prepared by ultrasonicallyassisted latex mixing. Natural rubber filled by both graphene and CNTs show significant enhanced tensile strength, while graphene exhib...

DOAJ Open Access (DOAJ) DOI: 10.3144/expresspolymlett.2015.56

Detection of microRNA-335-5p on an Interdigitated Electrode Surface for Determination of the Severity of Abdominal Aortic Aneurysms

Bei Lu, Leiting Liu, Jingrui Wang, Yuan Chen et al. • Nanoscale Research Letters (2020)

Abstract Abdominal aortic aneurysm (AAA) refers to the enlargement of the lower artery of the abdominal aorta, and identification of an early detection tool is urgently needed for diagnosis. In the current study, an interdigitated electrode...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-020-03331-y

Effect of Systematic Control of Pd Thickness and Annealing Temperature on the Fabrication and Evolution of Palladium Nanostructures on Si (111) via the Solid State Dewetting

Sundar Kunwar, Puran Pandey, Mao Sui, Quanzhen Zhang et al. • Nanoscale Research Letters (2017)

Abstract Si-based optoelectronic devices embedded with metallic nanoparticles (NPs) have demonstrated the NP shape, size, spacing, and crystallinity dependent on light absorption and emission induced by the localized surface plasmon resonan...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-017-2138-1