Results 141 to 150 of about 546,298 (344)

Passive control of a bi-ventricular assist device : an experimental and numerical investigation [PDF]

open access: yes, 2008
For the last two decades heart disease has been the highest single cause of death for the human population. With an alarming number of patients requiring heart transplant, and donations not able to satisfy the demand, treatment looks to mechanical ...
Gaddum, Nicholas Richard
core   +1 more source

Emerging 2D Materials and Their Hybrid Nanostructures for Label‐Free Optical Biosensing: Recent Progress and Outlook

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights recent advances in label‐free optical biosensors based on 2D materials and rationally designed mixed‐dimensional nanohybrids, emphasizing their synergistic effects and novel functionalities. It also discusses multifunctional sensing platforms and the integration of machine learning for intelligent data analysis.
Xinyi Li, Yonghao Fu, Yuehe Lin, Dan Du
wiley   +1 more source

Improving the Quality and Efficiency of the Medicare Program Through Coverage Policy [PDF]

open access: yes, 2011
Outlines Medicare coverage and payment policy on new technologies and recommends changes that could help achieve the Triple Aim goals of enhancing the individual experience of care, improving population health, and reducing per capita costs of ...
Penny E. Mohr   +3 more
core  

A Bespoke Programmable Interpenetrating Elastomer Network Composite Laryngeal Stent for Expedited Paediatric Laryngotracheal Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
A programmable interpenetrating double‐network architecture, created via 3D‐TIPS printing and resin infusion, synergistically combines thermoplastic and thermosetting elastomers to balance structural rigidity and surface softness—crucial for paediatric laryngeal stents.
Elizabeth F. Maughan   +14 more
wiley   +1 more source

Left Ventricular Assist Devices – Past, Present, and Future: A Narrative Review

open access: yesJournal of the Practice of Cardiovascular Sciences
Advanced heart failure (AHF) is a major problem with an aging population and profound unmet needs. While heart transplant offers the most definitive solution, it is largely unavailable for most and mandates a long waiting period.
Devesh Kumar, Sandeep Seth, Rajiv Narang
doaj   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Wound Infections in Adult Patients after Berlin Heart® EXCOR Biventricular Assist Device Implantation [PDF]

open access: gold, 2022
Jamila Kremer   +8 more
openalex   +1 more source

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

Robotic Cardiac Compression Device Using Artificial Muscle Filaments for the Treatment of Heart Failure

open access: yesAdvanced Intelligent Systems
Heart failure occurs when the heart cannot pump adequate blood to the body, which afflicts over 60 million people worldwide. Its treatment options include physiotherapy, medication, mechanical heart support, heart surgery, or heart transplantation ...
Phuoc Thien Phan   +12 more
doaj   +1 more source

Defects Dynamic in Photo‐Excited CeO2 and their Influence on CO2 Photoreduction

open access: yesAdvanced Functional Materials, EarlyView.
X‐ray photoelectron spectroscopy study under light excitation is presented to track the defect dynamic (Ce4+ to Ce3+) in CeO2. Surface enhanced Raman spectroscopy confirmed the key role of Ce3+ states in controlling charge and energy transfer across the CeO2‐dye molecule interface.
Rambabu Yalavarthi   +3 more
wiley   +1 more source

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