A subdermally implantable flexible photovoltatic (IPV) device is proposed for supplying sustainable electric power to in vivo medical implants. Electric properties of the implanted IPV device are characterized in live animal models. Feasibility of this strategy is demonstrated by operating a flexible pacemaker with the subdermal IPV device which generates DC electric power of ≈647 μW under the skin.
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http://dx.doi.org/10.1002/adhm.201600222 | DOI Listing |
Small
January 2025
Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, P. R. China.
Metal halide perovskites with bandgap of ≈1.8 eV are competitive candidates for indoor photovoltaic (IPV) devices, owing to their superior photovoltaic properties and ideal absorption spectra matched to most indoor light sources. However, these perovskite IPVs suffer from severe trap induced non-radiative recombination, resulting in large open-circuit voltage (V) losses, particularly under low light intensity.
View Article and Find Full Text PDFActa Psychol (Amst)
November 2024
School of Psychology, Charles Sturt University, Bathurst, NSW, Australia.
Intimate partner violence (IPV) is any physical, sexual, or psychological abuse or violence, including stalking and coercive behavior such as degradation, intimidation, and control. IPV self-stigma is the awareness of and agreeance with negative IPV stereotypes/attitudes that are internalized by individuals victimized by IPV. IPV stereotypes contribute to self-stigma (e.
View Article and Find Full Text PDFBMC Womens Health
November 2024
MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, Level 2, Faculty Building South Kensington Campus, London, SW7 2AZ, UK.
Background: Intimate partner violence (IPV) is widespread in the WHO African region with generalised HIV epidemics and may contribute to ongoing HIV transmission through its associations with behaviours associated with HIV acquisition risk and low use of prevention methods particularly in marital relationships.
Methods: We conducted a male condom HIV prevention cascade analysis using data from a general-population survey in Manicaland, Zimbabwe (July 2018-December 2019) to develop an understanding of how interventions that reduce IPV might be built upon to also reduce HIV incidence. Multivariable logistic regression was used to measure associations between currently-married HIV-negative women's experience of IPV and: (1) being in the priority population for HIV prevention methods (i.
Energy Environ Sci
October 2024
Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology Lausanne (EPFL) Lausanne CH-1015 Switzerland
Compositional engineering of organic-inorganic metal halide perovskite allows for improved optoelectrical properties, however, phase segregation occurs during crystal nucleation and limits perovskite solar cell device performance. Herein, we show that by applying tetrabutylammonium bistriflimide as an additive in the perovskite precursor solution, ultra-uniform perovskite crystals are obtained, which effectively increases device performance. As a result, power conversion efficiencies (PCEs) of 24.
View Article and Find Full Text PDFRespir Med
September 2024
Pediatric noninvasive ventilation and sleep unit, AP-HP, Hôpital Necker-Enfants malades, F-75015, Paris, France; Université de Paris Cité, EA 7330 VIFASOM, F-75004, Paris, France.
Background: Airway clearance (ACT) and lung volume recruitment (LVR) techniques are used to manage bronchial secretions, increase cough efficiency and lung/chest wall recruitment, to prevent and treat respiratory tract infections. The aim of the study was to review the prescription of ACT/LVR techniques for home use in children in France.
Methods: All the centers of the national pediatric noninvasive ventilation (NIV) network were invited to fill in an anonymous questionnaire for every child aged ≤20 years who started a treatment with an ACT/LVR device between 2022 and 2023.
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