Antiretroviral treatment has transformed HIV from a death sentence to a chronic condition, allowing people with HIV to live longer and healthier lives. However, they face significant barriers to accessing and affording life-saving-but expensive-antiretroviral (ARV) medications. These barriers are particularly severe for low-income patients, and they disproportionately affect racial and ethnic minorities. High ARV prices create pressure for government insurers to contain costs either by rationing care or by restricting eligibility for public programs. Limited funding, coupled with a growing demand for HIV care and treatment, is likely to make programmatic decisions about who is covered become more difficult over time. Therefore, it is important to identify options for reducing the cost of providing ARVs to allow more people to receive treatment. This study examines a variety of options for negotiating lower ARV procurement costs in U.S. markets. A case-study approach is used to assess options that different stakeholders could use in negotiating ARV price discounts with drug manufacturers given the regulatory and market constraints that exist in the United States.
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Nano Lett
January 2025
Materials Science and Technology Division, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, Tennessee 37831, United States.
Thermally driven transitions between ferromagnetic and paramagnetic phases are characterized by critical behavior with divergent susceptibilities, long-range correlations, and spin dynamics that can span kHz to GHz scales as the material approaches the critical temperature , but it has proven technically challenging to probe the relevant length and time scales with most conventional measurement techniques. In this study, we employ scanning nitrogen-vacancy center based magnetometry and relaxometry to reveal the critical behavior of a high- ferromagnetic oxide near its Curie temperature. Cluster analysis of the measured temperature-dependent nanoscale magnetic textures points to a 3D universality class with a correlation length that diverges near .
View Article and Find Full Text PDFJ Agric Food Chem
January 2025
UA MBG-UVIGO, Misión Biológica de Galicia (CSIC), Pazo de Salcedo, Pontevedra 36143, España.
Hydroxycinnamates, like ferulate (FA) and -coumarate (CA), are important components of maize cell walls, which influence pest resistance, ruminal digestibility, and biofuel production. Increasing their concentration has been linked to increased pest resistance, but also may lead to a decrease in nutritional value or bioethanol production efficiency. Therefore, improving forage quality or biofuel production without compromising plant resistance and a thorough understanding of the biosynthesis and deposition of these compounds is necessary, especially in stover, which is the feedstock for second-generation biofuel production and determines animal forage quality.
View Article and Find Full Text PDFNano Lett
January 2025
Corporate Research, TSMC, Hsinchu, 300-094, Taiwan.
Unprecedented penetration of artificial intelligence (AI) algorithms has brought about rapid innovations in electronic hardware, including new memory devices. Nonvolatile memory (NVM) devices offer one such attractive alternative with ∼2× density and data retention after powering off. Compute-in-memory (CIM) architectures further improve energy efficiency by fusing the computation operations with AI model storage.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
University of Fribourg: Universite de Fribourg, Department of Chemistry, Chemin du Musée 9, 1700, Fribourg, SWITZERLAND.
The recovery and separation of organic solvents is highly important for the chemical industry and environmental protection. In this context, porous organic polymers (POPs) have significant potential owing to the possibility of integrating shape-persistent macrocyclic units with high guest selectivity. Here, we report the synthesis of a macrocyclic porous organic polymer (np-POP) and the corresponding model compound by reacting cyclotetrabenzil naphthalene octaketone macrocycle with 1,2,4,5-tetraaminobenzene and 1,2-diaminobenzene, respectively, under solvothermal conditions.
View Article and Find Full Text PDFJ Med Internet Res
January 2025
Department of Community Health Sciences, Boston University, Boston, MA, United States.
Background: Improving adherence to pre-exposure prophylaxis (PrEP) via digital health interventions (DHIs) for young sexual and gender minority men who have sex with men (YSGMMSM) is promising for reducing the HIV burden. Measuring and achieving effective engagement (sufficient to solicit PrEP adherence) in YSGMMSM is challenging.
Objective: This study is a secondary analysis of the primary efficacy randomized controlled trial (RCT) of Prepared, Protected, Empowered (P3), a digital PrEP adherence intervention that used causal mediation to quantify whether and to what extent intrapersonal behavioral, mental health, and sociodemographic measures were related to effective engagement for PrEP adherence in YSGMMSM.
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