Results 41 to 50 of about 1,228,683 (277)

Graphdiyne as a Promising Substrate for Stabilizing Pt Nanoparticle Catalyst

, 2015
At present, Pt nanoparticle catalysts in fuel cells suffer from aggregation and loss of chemical activity. In this work, graphdiyne, which has natural porous structure, was proposed as substrate with high adsorption ability to stabilize Pt nanoparticles.
Lin, Zheng-Zhe
core   +1 more source

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

FEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Effect of crosslinker length on the elastic and compression modulus of poly(acrylamide) nanocomposite hydrogels [PDF]

, 2017
Polymer hydrogelshave shown to exhibit improved properties upon the addition of nanoparticles; however, the mechanical underpinnings behind these enhancements have not been fully elucidated.
Asuri, Prashanth, Chang, A., Zaragoza, Josergio   +2 more
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

FEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc, Blaž Stres, Mirica Karlovits, Igor Karlovits, Petra Jerič, Ondrej Panák, Anja Verbič, Blaž Likozar, Uroš Novak   +8 more
wiley   +1 more source

Natural Products as Geroprotective Modulators in Diabetic Nephropathy: A Mechanistic Framework Integrating Aging Hallmarks and the AMPK–SIRT1–Nrf2 Axis

Aging and Cancer, EarlyView.
Natural products target the aging kidney in diabetic nephropathy by restoring the AMPK–SIRT1–Nrf2 axis, reducing oxidative stress, inflammation, fibrosis, and cellular senescence while enhancing mitochondrial biogenesis and antioxidant defenses.
Sherif Hamidu, Latif Adams, Eunice Ampem‐Danso, Justice Kumi, Abigail Aning, Fatima Hamidu, Mustapha Abdul Mumin Mohammed, Ayuba Nii Darku Ankrah, Seth Kwabena Amponsah   +8 more
wiley   +1 more source

Soft Cardiac Patch Using a Bifacial Architecture of Adhesive/Low‐Impedance Hydrogel Nanocomposites and Highly Conductive Elastomer Nanocomposites

Advanced NanoBiomed Research
Soft implantable multichannel cardiac electrode arrays that establish direct monolithic interfaces with the heart are key components for advanced cardiac monitoring and electrical modulation.
Jeeyoung Kim, Gi Doo Cha, Minsung Kim, Seung‐Pyo Lee, Sung‐Hyuk Sunwoo, Dae‐Hyeong Kim   +5 more
doaj   +1 more source

Water T2 as an early, global and practical biomarker for metabolic syndrome: an observational cross-sectional study

Journal of Translational Medicine, 2017
Background Metabolic syndrome (MetS) is a highly prevalent condition that identifies individuals at risk for type 2 diabetes mellitus and atherosclerotic cardiovascular disease.
Michelle D. Robinson, Ina Mishra, Sneha Deodhar, Vipulkumar Patel, Katrina V. Gordon, Raul Vintimilla, Kim Brown, Leigh Johnson, Sid O’Bryant, David P. Cistola   +9 more
doaj   +1 more source

Slow oxidation of magnetite nanoparticles elucidates the limits of the Verwey transition

Nature Communications, 2021
The Verwey transition in magnetite has been studied for nearly eight decades since its discovery in the 1940s. Here, Kim et al. elucidate the influence of chemical doping by extremely slow oxidization process with magnetite nanoparticles, revealing why ...
Taehun Kim, Sangwoo Sim, Sumin Lim, Midori Amano Patino, Jaeyoung Hong, Jisoo Lee, Taeghwan Hyeon, Yuichi Shimakawa, Soonchil Lee, J. Paul Attfield, Je-Geun Park   +10 more
doaj   +1 more source

Disorder in DNA-Linked Gold Nanoparticle Assemblies

, 2005
We report experimental observations on the effect of disorder on the phase behavior of DNA-linked nanoparticle assemblies. Variation in DNA linker lengths results in different melting temperatures of the DNA-linked nanoparticle assemblies. We observed an
Ching-Hwa Kiang, K. Breslauer, Nolan C. Harris, Y. Sun   +3 more
core   +1 more source

COVID‐19 Vaccination is not Associated with the Development of Idiopathic Inflammatory Myositis in U.S. Veterans

Arthritis Care &Research, Accepted Article.
Objective Several case reports have proposed a potential association between COVID‐19 vaccination and the subsequent development of idiopathic inflammatory myositis (IIM). This study examined prior COVID‐19 vaccination in US Veterans who developed new‐onset IIM compared to those without new‐onset IIM.
Caleb Hernández, Naomi Schlesinger, Jorge Rojas, Jessica A. Walsh, Tawnie J Braaten, Gary A Kunkel, Makoto Jones, Brian C Sauer, Julio Facelli, Grant W. Cannon, Dorota Lebiedz‐Odrobina   +10 more
wiley   +1 more source