Natural coatings and surface modifications on magnesium alloys for biomedical applications

D Cuartas-Marulanda, L Forero Cardozo… - Polymers, 2022 - mdpi.com
Magnesium (Mg) alloys have great potential in biomedical applications due to their
incomparable properties regarding other metals, such as stainless steels, Co–Cr alloys, and …

Enhancing silk fibroin structures and applications through angle-dependent Ar+ plasma treatment

VM Posada, A Marin, A Mesa-Restrepo… - International Journal of …, 2024 - Elsevier
This study tackles limitations of Silk Fibroin (SF), including availability of sites for
modification. This is achieved by Direct Plasma Nanosynthesis (DPNS), an Ar+ …

Analysis of Antibacterial Efficacy and Cellular Alignment Regulation on Plasma Nanotextured Chitosan Surfaces

C Jaramillo-Correa, VM Posada, J Nashed… - Langmuir, 2023 - ACS Publications
To address implant-related infections, antibacterial solutions specific to biomaterials are
required to prevent bacterial proliferation. Traditional antibiotic usage has been found …

Selective laser melting of an Mg/Metallic Glass hybrid for significantly improving chemical and mechanical performances

XY Yao, JC Tang, YH Zhou, ZZ Huang, JB Xu… - Applied Surface …, 2022 - Elsevier
Pure magnesium (Mg) is widely used as biomedical material, but its degradation rate is often
too high and problematic to clinic applications. In this study, selective laser melting (SLM) …

Ion-bombardment-driven surface modification of porous magnesium scaffolds: Enhancing biocompatibility and osteoimmunomodulation

VM Posada, J Ramírez, A Civantos… - Colloids and Surfaces B …, 2024 - Elsevier
Porous Mg scaffolds are promising for bone repair but are limited by high corrosion rates
and challenges in preserving coating integrity. We used Directed Plasma Nanosynthesis …

Nanotextured porous titanium scaffolds by argon ion irradiation: Toward conformal nanopatterning and improved implant osseointegration

A Civantos, A Mesa‐Restrepo, Y Torres… - … Research Part A, 2023 - Wiley Online Library
Stress shielding and osseointegration are two main challenges in bone regeneration, which
have been targeted successfully by chemical and physical surface modification methods …

Ion Bombardment-Induced Nanoarchitectonics on Polyetheretherketone Surfaces for Enhanced Nanoporous Bioactive Implants

T Aditya, A Mesa-Restrepo, A Civantos… - ACS Applied Bio …, 2023 - ACS Publications
In spite of the biocompatible, nontoxic, and radiolucent properties of polyetheretherketone
(PEEK), its biologically inert surface compromises its use in dental, orthopedic, and spine …

The ion-gas-neutral interactions with surfaces-2 (IGNIS-2) facility for the study of plasma–material interactions

H Schamis, C Jaramillo-Correa, MS Parsons… - Review of Scientific …, 2024 - pubs.aip.org
The Ion-Gas-Neutral Interactions with Surfaces-2 (IGNIS-2) surface science facility has been
designed at the Pennsylvania State University with the specific purpose of enabling …

Nanotechnology for Cerebral Aneurysm Treatment: Nanomaterials for Neuroendovascular Treatment and Aneurysm

T Aditya, VM Posada, JP Allain - The Textbook of Nanoneuroscience and …, 2024 - Springer
A substantial rate of mortality and morbidity is caused by Cerebral Aneurysms, saccular
intracranial aneurysms or abnormal focal outpouchings of the cerebral arteries. There has …

Magnesium-based bioresorbable cellular metal as bone substitute

VM Posada Pérez - repositorio.unal.edu.co
The design and development of an osteoinductive environment to reconstruct and treat large
bone defects is still a challenge. Biodegradable porous metals have been proposed to …