Results 91 to 100 of about 1,594,383 (308)

Manual interactivo de mantenimiento industrial para transformadores en aceite [PDF]

, 2013
Este trabajo tiene como objetivo principal elaborar un Manual Interactivo de Mantenimiento Industrial para Transformadores en Aceite con el fin de complementar la formación técnica de la materia Máquinas Eléctricas y Mantenimiento Industrial que hacen ...
Mayor Cardona, Diego Alejandro, Ruiz Giraldo, Juliana   +1 more
core  

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

Advanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang, Atakan Tevlek, Pawel L. Urban, Boaz Mizrahi, Onome Ejeromedoghene, Roshan Deen, Yuanjing Lin, Jagan Mohan Dodda   +7 more
wiley   +1 more source

Sílica gel obtida de escória de alto forno: Marabá, Pará

Cerâmica, 2015
ResumoSílica gel com propriedades similares à sílica comercial foi obtida a partir de escória de alto forno (EAF), utilizando digestão com ácido clorídrico. A EAF-sílica obtida foi caracterizada por diferentes técnicas, mostrando-se amorfa, com pureza 99,
M. M. Rebelo, L. D. Nascimento, J. A. M. Corrêa   +2 more
doaj   +1 more source

A Cryoprotectant‐Compatible Nanoporous Platform for Stable and Scalable Delivery of Biopharmaceuticals

Advanced Materials, EarlyView.
A cryoprotectant‐compatible nanoporous platform enables ambient‐stable and scalable delivery of gene editing therapeutics. By combining hierarchical pore architecture with optimized lyophilization chemistry, the system preserves Cas9‐RNP activity post‐freeze‐drying.
Sian Lee, Seongchan Kim, Jooyeun Chong, Min‐gyeong Kim, Kayeong Lim, Nan‐Ee Lee, Jahyun Koo, Jiheong Kang, Hyojin Lee   +8 more
wiley   +1 more source

Síntesis de nuevas triarilfosfinas carboxiladas mediante hidrólisis del grupo trifluorometilo. Aplicaciones en catálisis de intercambio de fase y anclaje sobre sílica [PDF]

, 2012
En el presente trabajo se describe una nueva familia de ligandos trifenilfosfina con sustituyentes trifluorometilo y ácidos carboxílicos. Se ha desarrollado un procedimiento sintético optimizado para estos compuestos, en el que se parte de derivados ...
Bayón, Joan Carles, Herrera Miranda, Daniel, Universitat Autònoma de Barcelona. Departament de Química, Universitat Autònoma de Barcelona. Facultat de Ciències   +3 more
core  

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

Advanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source

Chemical constituents and antimicrobial activity of extracts from Dilodendron bipinnatum (sapindaceae) [PDF]

, 2010
The phytochemical investigation of ethanolic extracts from leaves, branches and stems of D. bipinnatum afforded the steroids β-sitosterol, stigmasterol, campesterol, sitostenone and sitosterol-3-O-β-D-glycopyranoside, along with two cycloartane
FERNANDES, João Batista, LEITE, Ana Cristina, MATOS, Andréia Pereira, OLIVEIRA, Carlos Alberto Nastally de, PIRANI, José Rubens, SANTOS, Josiane Cristina dos, SILVA, Maria Fátima das Graças Fernandes da, TEREZAN, Ana Paula, VARELLA, Larissa, VIEIRA, Paulo Cezar   +9 more
core   +2 more sources

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Minimizing heterogeneity of sugarcane bagasse ash by silica extraction via sol gel process

Next Materials
This work proposes to extract silica via the sol-gel process using molecular precursors from four distinct sugarcane bagasse ashes. The process comprised cleaning, silica extraction using sodium silicate, and gel formation by lowering the solution pH ...
Samantha Coelho Pinheiro, Otávio Augusto Paiva, Romildo Dias Toledo Filho, Guilherme Chagas Cordeiro   +3 more
doaj   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

Advanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source