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Palladium-Catalyzed Stereoselective Construction of 1,3-Stereocenters Displaying Axial and Central Chirality via Asymmetric Alkylations

Aiqi Xue, Xingfu Wei, Yue Huang, Jingping Qu et al. • Molecules (2023)

The concurrent construction of 1,3-stereocenters remains a challenge. Herein, we report the development of stereoselective union of a point chiral center with allenyl axial chirality in 1,3-position by Pd-catalyzed asymmetric allenylic alky...

DOAJ Open Access (DOAJ) DOI: 10.3390/molecules28072927

Characterization of low-nitrogen quantum diamond for pulsed magnetometry applications

Jiashen Tang, Jiashen Tang, Connor A. Roncaioli, Andrew M. Edmonds et al. • Frontiers in Quantum Science and Technology (2025)

Ensembles of nitrogen-vacancy (NV) centers in diamond are versatile quantum sensors with broad applications in the physical and life sciences. The concentration of neutral substitutional nitrogen ([Ns0]) strongly influences NV electronic sp...

DOAJ Open Access (DOAJ) DOI: 10.3389/frqst.2025.1701548

Developing an Interferogram-Based Module with Machine Learning for Maintaining Leveling of Glass Substrates

Syuan-Cheng Chang, Chung-Ping Chang, Yung-Cheng Wang, Chi-Chieh Chu • Machines (2023)

In this research, we propose a method that utilizes machine learning to maintain the parallelism of the resonant cavity in a Fabry–Perot interferometer designed specifically for glass substrates. Based on the optical principle and theory, w...

DOAJ Open Access (DOAJ) DOI: 10.3390/machines11060668

Compositional tuning of structural, photothermal and optical properties of La-based high-entropy perovskite oxides

Anurag Khandelwal, Piyush Anil Kumar Sharma, Simon Schweidler, Pirmin Tischler et al. • Materials & Design (2026)

In this study, 14 lanthanum-based high-entropy perovskite oxides (HEPOs) with equimolar mixtures of transition metals (Cr, Mn, Fe, Co, Ni, Cu, Zn) at the B-site were synthesized to investigate how multi-elemental interactions govern their s...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2026.116517

Computational Adaptive Optics for HAR Hybrid Trench Array Topography Measurement by Utilizing Coherence Scanning Interferometry

Wenyou Qiao, Zhishan Gao, Qun Yuan, Lu Chen et al. • Sensors (2025)

High aspect ratio (HAR) sample-induced aberrations seriously affect the topography measurement for the bottom of the microstructure by coherence scanning interferometry (CSI). Previous research proposed an aberration compensating method usi...

DOAJ Open Access (DOAJ) DOI: 10.3390/s25134085

Seasonal particle responses to near‐bed shear stress in a shallow, wave‐ and current‐driven environment

Grace Chang, Galen Egan, Joseph D. McNeil, Samuel McWilliams et al. • Limnology and Oceanography Letters (2022)

Abstract Novel analysis of in situ acoustic and optical data collected in a shallow, wave‐ and current‐driven environment enabled determination of (1) particle characteristics that were most affected by near‐bed physical forcing over season...

DOAJ Open Access (DOAJ) DOI: 10.1002/lol2.10221

Foraminifera as environmental bioindicators on the Rio Grande Terrace: a preliminary assessment

João Machado Neto, Simone Souza Moraes, Edgar Romeo Herrera de Figueiredo Iza, Felipe Rocha Abreu et al. • Journal of the Geological Survey of Brazil (2025)

There is still a significant gap in research that integrates foraminiferal data with water mass characterization within the specific context of marine phosphorite prospecting. Therefore, this study investigates the environmental dynamics of...

DOAJ Open Access (DOAJ) DOI: 10.29396/jgsb.2026.v9.n2.6

Artisanal elasmobranch fisheries of northwestern Baja California, Mexico

Omar Santana-Morales, Daniel Cartamil, Oscar Sosa-Nishizaki, Rebeca Zertuche-Chanes et al. • Ciencias Marinas (2020)

Elasmobranch species composition and spatiotemporal variability can often be characterized from landing surveys of local fisheries, with important management implications. In the present study, we describe the elasmobranch landing compositi...

DOAJ Open Access (DOAJ) DOI: 10.7773/cm.v46i1.3023

Research on Two-Phase Flow and Wear of Inlet Pipe Induced by Fluid Prewhirl in a Centrifugal Pump

Jilong Chen, Xing Chen, Wenjin Li, Yuhai Zheng et al. • Journal of Marine Science and Engineering (2024)

In deep-sea mining hydraulic lifting systems, centrifugal pumps are very important as power units. In the process of transportation, the fluid prewhirl phenomenon in the impeller inlet will lead to changes in the state of motion of the part...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse12060950

Engineering Geological Characterization and Microtopographic Controls on Slide–Pipeline Interaction in Steep Submarine Canyons, Qiongdongnan Basin

Hua Tao, Yide Wang, Huajie Yu, Hao Li et al. • Journal of Marine Science and Engineering (2026)

Steep submarine canyons pose challenges to deep-water pipeline routing because of rugged terrain and slide-related hazards. This study integrates 3D seismic data, shipborne and autonomous underwater vehicle bathymetry, sub-bottom profiles, ...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14181720

Estimation and Characteristics of Low-Frequency Ambient Sea Noise from Far-Field Ships

Xuegang Li, Yang Shi, Cheng Zhao, Guocang Sun et al. • Journal of Marine Science and Engineering (2024)

To study the rapid estimation method and characteristics of low-frequency ambient sea noise generated by far-field ships, firstly, based on the reciprocity principle of sound fields and the fact that the number of noise sources significantl...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse12122194

Study on the correlation of supplementation with L-citrulline on the gastrointestinal flora and semen antifreeze performance of ram

Chen Fan, Chen Fan, Aikebaier Aihemaiti, Aikebaier Aihemaiti et al. • Frontiers in Microbiology (2024)

IntroductionCryopreservation of semen can give full play to the reproductive advantages of male animals. However, in actual production, due to the poor frost resistance of sheep semen and the low conception rate, the promotion of sheep froz...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2024.1396796

Essential Oils from Artemisia herba alba Asso., Maticaria Recutita L., and Dittrichia Viscosa L. (Asteraceae): A Promising Source of Eco-Friendly Agents to Control Callosobruchus maculatus Fab. Warehouse Pest

Allali Aimad, Mohammed Bourhia, Hadin Hana, Rezouki Sanae et al. • Journal of Chemistry (2022)

Callosobruchus maculatus (Fab.) (C. maculatus) is one of the major pests of legume seeds in storage causing significant damage, leading to food insecurity and low income for farmers. This work was planned to develop eco-friendly agents from...

DOAJ Open Access (DOAJ) DOI: 10.1155/2022/2373460

The Effectiveness of Low-Carb Diet vs Low-Fat Diet on Body Composition in People with Obesity: A Literature Review

Tutut Rizki Indriyani, Atika Rahmawati, Luthfiani Khoirunnisa, Izka Sofiyya Wahyurin • Amerta Nutrition (2024)

Background: Obesity is still become a serious problem today. Obesity is caused by excessive adipose tissue. One of many factors that contribute to a person's obesity is food intake. Excess carbohydrate and fat intake will be stored in the f...

DOAJ Open Access (DOAJ) DOI: 10.20473/amnt.v8i1.2024.139-150

Dietary Fat Sources Affect Hepatic Health, Performance and Gut Microbiota Composition in Laying Hens as Model

Humera Hamid, Yao Jun Liu, Wen Xiang Li, Shi Meng Huang et al. • Veterinary Medicine and Science (2025)

ABSTRACT Non‐alcoholic fatty liver disease (NAFLD) is a growing concern in both human and animal health, with nutritional strategies playing a key role in its management. This study used a laying hen model to evaluate the effects of two hig...

DOAJ Open Access (DOAJ) DOI: 10.1002/vms3.70665

Conocimientos, actitudes y prácticas de profesionales de la nutrición y dietética sobre el papel del yogur en la alimentación saludable y sostenible: un estudio transversal

Eduard Baladia, Manuel Moñino, Martina Miserachs, Giuseppe Russolillo • Revista Española de Nutrición Humana y Dietética (2025)

Introduction: Perceptions and practices of healthcare professionals regarding the nutritional and dietary value of yogurt can play a crucial role in developing effective strategies to promote healthier and more sustainable dietary patterns....

DOAJ Open Access (DOAJ) DOI: 10.14306/renhyd.29.1.2332