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Modified Riceberry rice extract suppresses melanogenesis-associated cell differentiation through tyrosinase-mediated MITF downregulation on B16 cells and in vivo zebrafish embryos

Teerapat Rodboon, Sasithorn Sirilun, Seiji Okada, Ryusho Kariya et al. • Research in Pharmaceutical Sciences (2020)

Background and purpose: Excessive melanin production caused by overactive tyrosinase (TYR) enzyme results in several dermatological problems. The TYR inhibitor, derived from metabolite changes during fermentation, has been well recognized f...

DOAJ Open Access (DOAJ) DOI: 10.4103/1735-5362.297852

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

Surface-Modified Nanocellulose for Application in Biomedical Engineering and Nanomedicine: A Review

Tortorella S, Vetri Buratti V, Maturi M, Sambri L et al. • International Journal of Nanomedicine (2020)

Silvia Tortorella, Veronica Vetri Buratti, Mirko Maturi, Letizia Sambri, Mauro Comes Franchini, Erica Locatelli Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna 401...

DOAJ Open Access (DOAJ)

Synthesis of ultra‐high molecular weight core cross‐linked star (CCS) polymer using high molecular weight spherical nanoparticles and arm‐first method

Guangyao Liu, Yongqi Yang, Chao Zheng, Xiaoqun Cao • Nano Select (2022)

Abstract P (N,N‐Dimethylacrylamide) ‐b‐P (2‐methoxyethyl acrylate) (PDMA‐b‐PMEA) and Poly (poly (ethylene glycol) methyl ether methacrylate) ‐b‐P (2‐methoxyethyl acrylate) (PPEGMA‐b‐PMEA) di‐block copolymer nanoparticles are prepared by RAF...

DOAJ Open Access (DOAJ) DOI: 10.1002/nano.202100216

Controlled Plasmonic Coupling in Silver Nanoplate Dimers for Enhanced Plasmonic Sensing

Lucrezia Catanzaro, Marcello Condorelli, Mario Pulvirenti, Luisa D’urso et al. • Nanomaterials (2026)

Noble metal nanostructures provide versatile platforms for light manipulation through localized surface plasmon resonances (LSPRs). Among them, triangular silver nanoplates (AgNPTs) exhibit strong field-enhancement and spectral tunability, ...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano16080486

Ultra-Bend-Resistant 4-Core Simplex Cable Used for Short-Reach Dense Spatial Division Multiplexing Optical Transmission

Zelin Zhang, Yu Qin, Jie Zhu, Caoyuan Wang et al. • Micromachines (2024)

We optimized and fabricated an ultra-bend-resistant 4-core simplex cable (SXC) employing 4-core multicore fiber (MCF) suitable for short-reach dense spatial division multiplexing (DSDM) optical transmission in the O-band. The characteristic...

DOAJ Open Access (DOAJ) DOI: 10.3390/mi15010108

Photovoltaic Performance of Pin Junction Nanocone Array Solar Cells with Enhanced Effective Optical Absorption

Jinnan Zhang, Lingmei Ai, Xin Yan, Yao Wu et al. • Nanoscale Research Letters (2018)

Abstract The photovoltaic performance of axial and radial pin junction GaAs nanocone array solar cells is investigated. Compared with the cylinder nanowire arrays, the nanocone arrays not only improve the whole optical absorption but more i...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-018-2727-7

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

Generation of Subdiffraction Optical Needles by Simultaneously Generating and Focusing Azimuthally Polarized Vortex Beams through Pancharatnam–Berry Metalenses

Zhe Shen, Shijie Huang • Nanomaterials (2022)

Needle beams have received widespread attention due to their unique characteristics of high intensity, small focal size, and extended depth of focus (DOF). Here, a single–layer all–dielectric metalens based on Pancharatnam–Berry (PB) was us...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano12224074

From mid-infrared luminescence to laser gain in chalcogenide glasses and glass-ceramics

Yuhang Zhao, Chenyue Xiao, Xiaosong Lu, Zhiyong Yang • Journal of Advanced Dielectrics (2026)

Mid-infrared (MIR) lasers operating in the 2–6[Formula: see text][Formula: see text]m region are important for spectroscopy, sensing, communications, medicine, lidar, and electro-optical applications. Chalcogenide glasses and glass–ceramics...

DOAJ Open Access (DOAJ) DOI: 10.1142/S2010135X26400102

Overcoming the sensitivity–speed trade-off in two-dimensional photodetectors via a functional oxide interlayer

Yuhui Yang, Qingyun Wu, Xiangxin Gong, Ruihuan Duan et al. • Nature Communications (2026)

Abstract Photodetectors that can achieve both high sensitivity and fast speed remain a challenge due to inherent trade-offs, particularly limiting in photonic integrated circuits. While substantial progress has been made in broadening spect...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-026-72259-1

Flood Response System—A Case Study

Yogesh Kumar Singh, Upasana Dutta, T. S. Murugesh Prabhu, I. Prabu et al. • Hydrology (2017)

Flood Response System (FRS) is a network-enabled solution developed using open-source software. The system has query based flood damage assessment modules with outputs in the form of spatial maps and statistical databases. FRS effectively f...

DOAJ Open Access (DOAJ) DOI: 10.3390/hydrology4020030

Simulation Study of the Double-Gate Tunnel Field-Effect Transistor with Step Channel Thickness

Maolin Zhang, Yufeng Guo, Jun Zhang, Jiafei Yao et al. • Nanoscale Research Letters (2020)

Abstract Double-gate tunnel field-effect transistor (DG TFET) is expected to extend the limitations of leakage current and subthreshold slope. However, it also suffers from the ambipolar behavior with the symmetrical source/drain architectu...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-020-03360-7

Fe-W co-doped V2O5 nanostructures with enhanced oxygen vacancy generation for photocatalytic dye degradation

Akanksha Malik, Sagar Panwar, Deepak Butola, Kriti et al. • Scientific Reports (2026)

Abstract Nanoparticles of V2O5 with dilute doped Fe-, W-, and Fe-W co-doped were prepared by using wet chemical sol–gel method. Structural analysis confirmed the dominant orthorhombic α-V2O5 phase with a minor monoclinic V3O7 phase, whose f...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-026-44277-y

The Impact of Covid 19 on Seaweed Smallholder Farmers in Nusa Tenggara Barat, Indonesia

Hafiizh Prasetia, Firman Zulpikar, Jeverson Renyaan, Muhammad Safaat et al. • Omni-Akuatika (2022)

The COVID-19 pandemic has impacted the seaweed industry and business. The export-import trade is the most severely impacted sector, mainly the raw material export of seaweed. The purpose of this study was to determine how smallholder farmer...

DOAJ Open Access (DOAJ) DOI: 10.20884/1.oa.2022.18.S1.986

Implementing an Adaptive Thrust Distribution Algorithm on the Robust Control System for Serial Split-Hull Underwater Vehicles

Vishakh S. Kumar, Prabhu Rajagopal • IEEE Access (2022)

This paper discusses designing and implementing an adaptive thrust distribution algorithm on the already robust control system for serial split-hull underwater vehicles to maximise operational efficiency. Split-hull underwater vehicles are ...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2022.3223118