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News

EurekAlert!
eurekalert.org > multimedia > 1149043

Synthesis route of the material

6+ hour, 1+ min ago   (169+ words) Silica soil was used as the template to in-situ grow the lamellar SZIF-8. Sodium molybdate was vacuum adsorbed onto it to obtain a graded porous sustained-release filler. SEM/TEM/EDS confirmed the uniform distribution of elements. XRD, FTIR, and XPS…...

EurekAlert!
eurekalert.org > news-releases > 1142002

Achieving direct α-heteroarylation of amides and esters under mild conditions, eliminating the need for transition metals

13+ hour, 57+ min ago   (161+ words) Highlights of this article: 1. Extremely simple reaction conditions: Say goodbye to expensive catalysts and demanding ligands. Simply add zinc powder at room temperature to trigger the reaction, and there is no need to prepare Reformatsky reagent in advance ("one-pot" mixing…...

EurekAlert!
eurekalert.org > multimedia > 1148665

siv_still_frame [IMAGE] | EurekAlert! Science News Releases

2+ day, 16+ hour ago   (25+ words) siv_still_frame (IMAGE) EurekAlert! Illustration of a silicon-vacancy center in a diamond crystal lattice. Harvard John A. Paulson School of Engineering and Applied Sciences...

EurekAlert!
eurekalert.org > news-releases > 1140940

The impact of thermocapillary convection on phase-change material melting process under varying gravity conditions

2+ day, 20+ hour ago   (1382+ words) With the accelerated advancement of lunar and Mars exploration programs, long-term human habitation on extraterrestrial bodies faces the severe challenge of extreme diurnal temperature variations. Phase change materials (PCMs), owing to their ability to store or release substantial latent heat…...

EurekAlert!
eurekalert.org > multimedia > 1146126

The hidden chemistry behind glow-in-the-dark art

3+ day, 23+ hour ago   (62+ words) (IMAGE) EurekAlert! The darkening on the bottom half of these fluorescent tape strips shows that the optical brightener in the tape degraded faster than the pigmentary color when exposed to light. The top half of the strips was shielded from…...

EurekAlert!
eurekalert.org > news-releases > 1141379

A roadmap toward practical aqueous zinc-based flow batteries

3+ day, 16+ hour ago   (93+ words) image: Coupled degradation pathways and key practical constraints in aqueous Zn-based flow batteries under realistic flow operation. view more Credit: Zhiquan Wei and Chunyi Zhi from The University of Hong Kong. This review provides a practical framework for understanding degradation…...

EurekAlert!
eurekalert.org > news-releases > 1141491

Update the textbooks: UCLA-led research revises theory of how crystals form

3+ day, 13+ hour ago   (903+ words) 3D atomic imaging in advanced materials yields new insights into transitions such as liquid freezing into solid image: Maps of five out of the 8,000-plus crystal nuclei in the study show regions with a high level of order in red, with…...

EurekAlert!
eurekalert.org > news-releases > 1141389

Green hydrogen production and storage using alcohols, iron, and baker's yeast

3+ day, 17+ hour ago   (320+ words) A new recyclable system uses baker's yeast to store H₂ in organic molecules and iron ions to release it when needed - offering a promising route toward more sustainable hydrogen production and storage. image: H₂ storage performance of polyhydric alcohols (LOHC) and the…...

EurekAlert!
eurekalert.org > news-releases > 1141409

New kinetic model couples lignin and hemicellulose dynamics to sharpen biorefinery predictions

3+ day, 17+ hour ago   (393+ words) Published in Journal of Bioresources and Bioproducts, the study abandons the long-standing "component-independent assumption" used in conventional kinetic models. Instead, it introduces a component-coupled framework based on representative volume element analysis (RVEA) and a controlled-release densification pretreatment using sulfuric acid…...

EurekAlert!
eurekalert.org > news-releases > 1141333

NSF renews quantum leap challenge institute with $37.5 million investment in quantum sensing for biology

3+ day, 18+ hour ago   (520+ words) University of Chicago-led institute will advance quantum sensors toward robust tools for revealing biological processes beyond the reach of conventional measurement image: UChicago Pritzker School of Molecular Engineering alumni Jacob Feder, PhD’25 (left), and Benjamin Soloway, PhD’25, co-first authors of…...