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Involvement of two uptake mechanisms of gold and iron oxide nanoparticles in a co-exposure scenario using mouse macrophages

Dimitri Vanhecke, Dagmar A. Kuhn, Dorleta Jimenez de Aberasturi, Sandor Balog et al. • Beilstein Journal of Nanotechnology (2017)

Little is known about the simultaneous uptake of different engineered nanoparticle types, as it can be expected in our daily life. In order to test such co-exposure effects, murine macrophages (J774A.1 cell line) were incubated with gold (A...

DOAJ Open Access (DOAJ) DOI: 10.3762/bjnano.8.239

Polymer brush in articular cartilage lubrication: Nanoscale modelling and simulation

Nobuhiko Kajinami, Mitsuhiro Matsumoto • Biophysics and Physicobiology (2019)

Human knee joints move smoothly under high load conditions due to articular cartilage and synovial fluid. Much attention is paid to the role of proteoglycans. It is suggested that a part of proteoglycan forms aggregate on the cartilage surf...

DOAJ Open Access (DOAJ) DOI: 10.2142/biophysico.16.0_466

<i>Vegfr3</i> and <i>Tbx1</i> Interact in Cardiac Morphogenesis

Stefania Martucciello, Marchesa Bilio, Sara Cioffi, Ilaria Aurigemma et al. • Journal of Cardiovascular Development and Disease (2026)

Gene inactivation in model organisms has identified numerous genes and signaling pathways involved in mammalian cardiac outflow tract (OFT) development. Human genetics data have implicated the VEGFR3 gene in OFT development, but when and wh...

DOAJ Open Access (DOAJ) DOI: 10.3390/jcdd13080399

TEMPERATURE OF SLIDING SURFACES OF INTERNAL COMBUSION ENGINES BY THE TEMPER COLORS OF WEAR PARTICLES

M. G. El-Sherbiny, Farouk Hammad, M. M. Youssef, M. K. Mohamed et al. • Journal of the Egyptian Society of Tribology (2026)

The present study examines the temper colors of the wear particles retained by the oil filter by optical microscope. The temperature of the sliding surfaces inside engines can be determined by the temper colors of the wear particles. Becaus...

DOAJ Open Access (DOAJ) DOI: 10.21608/jest.2026.481011.1158

Dependence of Freeze-Out Parameters on Collision Energies and Cross-Sections

Muhammad Waqas, Atef AbdelKader, Muhammad Ajaz, Abdel Nasser Tawfik et al. • Universe (2023)

We analyzed the transverse momentum spectra (pT) reported by the NA61/SHINE and NA49 experiments in inelastic proton–proton (pp) and central Lead–Lead (Pb−Pb), Argon–Scandium (Ar−Sc), and Beryllium–Beryllium (Be−Be) collisions with the Blas...

DOAJ Open Access (DOAJ) DOI: 10.3390/universe9010044

O silêncio como discurso: o projeto de lei “escola sem partido” e a invisibilidade da juventude LGBT na lógica da mordaça

Maria Eduarda Parizan Checa, Andrea Cristina Coelho Scisleski • Revista Ñanduty (2018)

Este artigo problematiza a interdição à cidadania da juventude LGBT a partir tanto da atual tramitação do PL (Projeto de Lei) “Escola sem Partido” na Câmara Municipal de Campo Grande – MS quanto das reverberações dos discursos que o permeia...

DOAJ Open Access (DOAJ) DOI: 10.30612/nty.v6i8.8842

Natural Earth Pigments as Geological Polymineral Systems: A Structured Approach to Provenance and Degradation Assessment in Heritage Science

Sebastiano Ettore Spoto, Roberta Somma • Heritage (2026)

Natural earth pigments are polymineral materials whose present composition may differ from the source because of selection, grinding, heating, mixing, binder incorporation, and later alteration. This study develops a structured method for s...

DOAJ Open Access (DOAJ) DOI: 10.3390/heritage9080322

POLICE SURVEILLANCE OR METHODS OF WORKING WITH «POLITICALLY UNRELIABLE PERSONS» IN THE SECOND HALF OF THE XIX- EARLY XX CENTURIES (ON THE EXAMPLE OF KURSK PROVINCE)

Zarubina K.A. • Вестник Брянского государственного университета (2022)

Using the example of the Kursk province, the article examines the main methods of government work with persons with dubious «political reliability», «potential» and «real» political criminals in the second half of the XIX - early XX centuri...

DOAJ Open Access (DOAJ) DOI: 10.22281/2413-9912-2022-06-02-57-62

The Numerical Solution of Fractional Parabolic Partial Integro-Differential Eequations by Gaussian and Inverse Multiquadric Radial Basis Functions

F. S. Aghaei Maybodi, M. H. Heydari, F. M. Maalek Ghaeini, M. H. Akrami • پژوهش‌های ریاضی (2021)

Introduction Many mathematical formulations of physical phenomena contain integro-differential equations. These equations arise in fluid dynamics, biological models, chemical kinetics, ecology, control theory of financial mathematics, aeros...

DOAJ Open Access (DOAJ)

Ground calibration tests of the laser altimeter (LIDAR) for MMX mission

Hiroki Senshu, Takahide Mizuno, Toru Nakura, Ryo Suetsugu et al. • Progress in Earth and Planetary Science (2025)

Abstract The spacecraft for the Japanese Martian Moon eXploration mission is equipped with a LIDAR laser altimeter. The slant range continuously measured by the LIDAR is used for the correction of the local topography and the orbit and atti...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40645-025-00705-7

Urban Sprawl and Changes in Land-Use Efficiency in the Beijing–Tianjin–Hebei Region, China from 2000 to 2020: A Spatiotemporal Analysis Using Earth Observation Data

Meiling Zhou, Linlin Lu, Huadong Guo, Qihao Weng et al. • Remote Sensing (2021)

Sustainable development in urban areas is at the core of the implementation of the UN 2030 Agenda and the Sustainable Development Goals (SDG). Analysis of SDG indicator 11.3.1—Land-use efficiency based on functional urban boundaries—provide...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs13152850

Long-Term Prognosis and Systemic Impact of Acromegaly: Analyses Utilizing Korean National Health Insurance Data

Sangmo Hong, Kyungdo Han, Cheol-Young Park • Endocrinology and Metabolism (2025)

Acromegaly is a rare endocrine disorder caused by excessive growth hormone secretion. Its low prevalence poses challenges in studying its long-term prognosis and systemic effects. To address this research gap, we conducted five studies usin...

DOAJ Open Access (DOAJ) DOI: 10.3803/EnM.2024.2285

Modeling antiretroviral therapy adherence among people living with HIV: a cross-sectional study at Pantang Hospital, Ghana

Eric Nyarko, Irene A. Kretchy, Grace Lovia Allotey-Babington, Adwoa Oforiwaa Kwakye et al. • BMC Infectious Diseases (2026)

Abstract Background Poor adherence to antiretroviral therapy (ART) continues to undermine HIV treatment outcomes in sub-Saharan Africa, including Ghana. Objective This study aimed to quantify ART treatment adherence among people living with...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12879-026-13836-z

An artificial neural network-based model for predicting paratransit travel time

George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering (2024)

The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2024.2386383

Longevity risk—Its financial impact on pensions

Nana Poku Appiagyei Nantwi, Anani Lotsi, Godwin Debrah • Scientific African (2022)

We study the financial impact of longevity risk on defined benefit (DB) pension plan liabilities using the 2010 Ghana population census, and the Lee-Carter model. We compare the usual Lee-Carter model to an extended version. While we observ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.sciaf.2022.e01241

Clustering of Unhealthy Lifestyle and the Risk of Adverse Events in Patients With Atrial Fibrillation

So-Ryoung Lee, Eue-Keun Choi, Eue-Keun Choi, Sang-Hyeon Park et al. • Frontiers in Cardiovascular Medicine (2022)

BackgroundLittle is known regarding the risk of clinical outcomes depending on the clustering of lifestyle behaviors after atrial fibrillation (AF) diagnosis. This study evaluated the association between a cluster of healthy lifestyle behav...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcvm.2022.885016

EARNINGS QUALITY AND ASYMMETRIC COST BEHAVIOR: A STUDY OF INDONESIA CAPITAL MARKET

Riki Martusa, Meythi Meythi, Laurensia Vina Dharmawan • International Journal of Innovative Technologies in Economy (2022)

This study investigates whether earnings quality affects to asymmetric cost behavior, i.e., sticky cost of listed firms of Jakarta Stock Exchange (JKSE). This study analyzes 1032 year-firms observations during 2012-2019 periods. This study ...

DOAJ Open Access (DOAJ) DOI: 10.31435/rsglobal_ijite/30062022/7843

Active Participation and Interaction, Key Performance Factors of Face-to-Face Learning

Miguel Marco-Fondevila, Mar Rueda-Tomás, María Pilar Latorre-Martínez • Education Sciences (2022)

During the last decade and, particularly, from the restrictions on mobility brought by the COVID-19 pandemic, online and digital teaching is positioning itself as an alternative to face-to-face teaching. As of today, however, the soundness ...

DOAJ Open Access (DOAJ) DOI: 10.3390/educsci12070429