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Problem-Based Learning Approach to Review the Principles of Green Chemistry Applied to a Polycondensation Reaction

David Salgado-Chavarría, Joaquín Palacios-Alquisira • Science Education International (2021)

Science Education International ¦ Volume 32 ¦ Issue 2 107 ORIGINAL ARTICLE INTRODUCTION The problem-based learning (PBL) methodology is a student-centered approach that is related to the learning process that occurs when students deal w...

DOAJ Open Access (DOAJ) DOI: 10.33828/sei.v32.i2.3

Triple‐State Invisible Photonic Crystal Pattern Encrypted in Hollow‐Silica/Polyurethane Film for Anticounterfeiting Applications

Xin Zhang, Qianqian Fu, Jianping Ge • Advanced Photonics Research (2021)

An invisible photonic crystal (PC) pattern encrypted at the dry state and decrypted by solvent is a new anticounterfeiting material system, but its diversity and complexity in response are still required to be increased to enhance the antic...

DOAJ Open Access (DOAJ) DOI: 10.1002/adpr.202000208

Combined Effect of Silica Applications and Nitrogen Fertilizers on Two Rice Cultivars and Infestation Rate by Stem Borer, Chilo agamemnon Bles

AL-Shymaa AL-Mokadem, A. Taha, H. Saleh • Journal of Plant Protection and Pathology (2020)

Field experiments were conducted at Sakha, Kafr El-Sheikh, Egypt; to investigate the effect silica combined with mineral nitrogen on rice yield, and stem borer Chilo agamemnon Bles. Applying potassium ore combined with 92 kg N/fed. Produced...

DOAJ Open Access (DOAJ) DOI: 10.21608/jppp.2020.87017

No hay diferencias en la diversidad genética entre arbustos de Cotoneaster franchetii (Rosaceae) de rangos nativos y no nativos.

Irene Lett, Isabell Hensen, Heidi Hirsch, Daniel Renison • Boletín de la Sociedad Argentina de Botánica (2015)

No hay diferencias en la diversidad genética entre arbustos de Cotoneaster franchetii (Rosaceae) de rangos nativos y no nativos. La diversidad genética de los arbustos de Cotoneaster franchetii es similar entre los rangos de distribución na...

DOAJ Open Access (DOAJ) DOI: 10.31055/1851.2372.v50.n3.12527

Graphene Oxide and Reduced Derivatives, as Powder or Film Scaffolds, Differentially Promote Dopaminergic Neuron Differentiation and Survival

Noela Rodriguez-Losada, Noela Rodriguez-Losada, Rune Wendelbob, M. Carmen Ocaña et al. • Frontiers in Neuroscience (2020)

Emerging scaffold structures made of carbon nanomaterials, such as graphene oxide (GO) have shown efficient bioconjugation with common biomolecules. Previous studies described that GO promotes the differentiation of neural stem cells and ma...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnins.2020.570409

Inhibiting BCKDK in triple negative breast cancer suppresses protein translation, impairs mitochondrial function, and potentiates doxorubicin cytotoxicity

Dipsikha Biswas, Logan Slade, Luke Duffley, Neil Mueller et al. • Cell Death Discovery (2021)

Proposed mechanism. A Doxorubicin (DOX) targets the BCAA catabolic pathway in TNBCs, by downregulating BCKDK and augmenting clearance of intracellular BCKAs. B Genetic or pharmacological (high BT2 concentration) inhibition of BCKDK results ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41420-021-00602-0

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

Structural Design, Synthesis and Antioxidant, Antileishmania, Anti-Inflammatory and Anticancer Activities of a Novel Quercetin Acetylated Derivative

Saul Vislei Simões da Silva, Orlando Maia Barboza, Jéssica Teles Souza, Érica Novaes Soares et al. • Molecules (2021)

Quercetin (Q) is a bioflavonoid with biological potential; however, poor solubility in water, extensive enzymatic metabolism and a reduced bioavailability limit its biopharmacological use. The aim of this study was to perform structural mod...

DOAJ Open Access (DOAJ) DOI: 10.3390/molecules26226923

Assessing banks efficiency: DEA implementation

Milica Inđić, Aleksandra Marcikić Horvat, Milos Pjanić • BizInfo (2025)

By examining intermediate, operating, and profitability aspects, this paper aims to construct a performance model for evaluating the relative efficiency and potential for improvement of 20 banks operating in Serbia for the 2022-2023 period....

DOAJ Open Access (DOAJ) DOI: 10.71159/bizinfo250003I

Measuring bank efficiency: DEA application

Jelena Titko, Jelena Stankevičienė, Nataļja Lāce • Technological and Economic Development of Economy (2014)

The paper aims to improve the methodology of measuring efficiency of Latvian banks. Efficiency scores were calculated with application of non-parametric frontier technique Data Envelopment Analysis (DEA). Input-oriented DEA model under Vari...

DOAJ Open Access (DOAJ) DOI: 10.3846/20294913.2014.984255

So FAIR, so good

Rinaldi Lorenzo, Bonacorsi Daniele, Bozzi Concezio, Dal Pra Stefano et al. • EPJ Web of Conferences (2025)

Large international collaborations in the field of Nuclear and Subnuclear Physics have been leading the implementation of FAIR principles for managing research data. These principles are essential when dealing with large volumes of data ove...

DOAJ Open Access (DOAJ) DOI: 10.1051/epjconf/202533701140

Pt and CoB trilayer Josephson $$\pi $$ π junctions with perpendicular magnetic anisotropy

N. Satchell, T. Mitchell, P. M. Shepley, E. Darwin et al. • Scientific Reports (2021)

Abstract We report on the electrical transport properties of Nb based Josephson junctions with Pt/Co $$_{68}$$ 68 B $$_{32}$$ 32 /Pt ferromagnetic barriers. The barriers exhibit perpendicular magnetic anisotropy, which has the main advantag...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-90432-y

Seeing Race in Biblical Egypt: Edwin Longsden Long’s Anno Domini (1883) and A. H. Sayce’s The Races of the Old Testament (1891)

• Papers from the Institute of Archaeology (2019)

To download this paper, please click here.This paper discusses the impact of ideas about the historical and racial origins of the Holy Family that are captured in the painting Anno Domini or the Flight into Egypt (1883/4) by Edwin Longsden ...

DOAJ Open Access (DOAJ) DOI: 10.14324/111.444.2041-9015.1128

Deep Mapping and Spatial Anthropology

Les Roberts • Humanities (2016)

This paper provides an introduction to the Humanities Special Issue on “Deep Mapping”. It sets out the rationale for the collection and explores the broad-ranging nature of perspectives and practices that fall within the “undisciplined” int...

DOAJ Open Access (DOAJ) DOI: 10.3390/h5010005

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)

Attitude Control of a Vehicle with Active Airfoil and Suspension Systems Using Integral Action for Body Angle and Tire Deflection

Syed Babar Abbas, Iljoong Youn • Actuators (2026)

This paper presents a novel approach to design an attitude motion control strategy of a vehicle to mitigate lateral or longitudinal inertial forces acting on the passenger during cornering, braking, and acceleration maneuvers. The collabora...

DOAJ Open Access (DOAJ) DOI: 10.3390/act15060317

Observer-Based Robust Finite-Time Trajectory Tracking Control for a Stratospheric Satellite Subject to External Disturbance and Actuator Saturation

Shurui Huang, Yueneng Yang, Ye Yan, Shifeng Zhang et al. • International Journal of Aerospace Engineering (2022)

The stratospheric satellite is regarded as an ideal stratosphere flight platform and is able to accomplish various missions such as surveillance, earth observation, and remote sensing, which requires a robust and effective trajectory tracki...

DOAJ Open Access (DOAJ) DOI: 10.1155/2022/1601771