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Drug Development.
Alzheimers Dement
December 2024
University of Southern California, San Diego, USA.
Background: Recruitment of demographically diverse participants into Alzheimer's disease (AD) clinical trials, encompassing both screening and randomization, remains a consistent and persistent challenge contributing to underrepresentation of certain groups. Despite the exciting prospects of identifying therapeutic interventions for biomarker-eligible, cognitively unimpaired individuals, these studies grapple with the inherent complexities of AD trials coupled with intricate and time-consuming screening processes. Addressing this the issue of underrepresentation necessitates concerted and intentional efforts that prioritize inclusivity and equitable access to enroll adults meeting study criteria, reflecting the demographic and social diversity of North America.
View Article and Find Full Text PDFBiodiversity Change in Cultural Landscapes-The Rural Hotspot Hypothesis.
Ecol Evol
January 2025
Ecostrat GmbH Berlin Germany.
A dramatic decrease of biodiversity is currently questioning human-environment interactions that have shaped ecosystems over thousands of years. In old cultural landscapes of Central and East European (CEE) countries, a vast species decline has been reported for various taxa although intensive land cultivation has been reduced in favor of agroecological transformation, nature conservation and sustainable land management in the past 30 years. Thus, in the recent history, agricultural intensification cannot solely be discussed as the major driver controlling biodiversity.
View Article and Find Full Text PDFColloidal Synthesis of NaFe(SO) Nanocrystals as the Cathode Toward High-Rate Capability and High-Energy Density Sodium-ion Batteries.
Small Methods
January 2025
School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China.
Alluaudite-type NaFe(SO) (NFS) with high theoretical energy density is regarded as the promising cathode of sodium-ion batteries (SIBs), while practical rate and cyclic performances are still hindered by intrinsic poor conductivity. Here, a facile method is developed, collaborating high-boiling organic solvents assisted colloidal synthesis (HOS-CS) with sintering for tailoring NaFe(SO) nanocrystals decorated by conductive carbon network toward high-rate-capability cathode of SIBs. Impressively, the as-prepared NaFe(SO)@MC provides 60.
View Article and Find Full Text PDFEnhancing Microdomain Consistency in Polymer Electrolytes towards Sustainable Lithium Batteries.
Angew Chem Int Ed Engl
December 2024
State Key Laboratory of Advanced Chemical Power Sources, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin, 300071, China.
Polymer electrolytes incorporated with fillers possess immense potential for constructing the fast and selective Li conduction. However, the inhomogeneous distribution of the fillers usually deteriorates the microdomain consistency of the electrolytes, resulting in uneven Li flux, and unstable electrode-electrolyte interfaces. Herein, we formulate a solution-process chemistry to in situ construct gel polymer electrolytes (GPEs) with well-dispersed metal-organic frameworks (MOFs), leading to a uniform microdomain structure.
View Article and Find Full Text PDFMultifunctional Siloxane Additive Enabling Ultrahigh-Nickel Lithium Battery with Long Cycle Life at 30 and 60 °C.
Small
January 2025
School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510640, China.
Ultrahigh-nickel layered oxide cathodes (≥90% nickel) possess exceptionally high discharge capacities, which can significantly improve the energy density of lithium-ion batteries and alleviate the driving range anxiety of electric vehicles. However, the high interfacial reactivity of ultrahigh-nickel cathodes, especially the detrimental side reactions with harmful acidic species like HF in the electrolyte, can deteriorate the battery interface and reduce the cycle life, hindering their practical application. In this study, 3-isocyanatopropyltrimethoxysilane (PTTS-NCO) is introduced as the electrolyte additive, which can effectively scavenge the harmful acidic species in the electrolyte and form a protective surface layer at the electrode/electrolyte interface, thereby enhancing the electrochemical performance of the battery (NCM90/Li).
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