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Highly Sensitive Dopamine Electrochemical Sensor Using Pt Nanoparticles on CNTs/Polypyrrole Nanocomposites

N. I. Nayem, S. Ahmed, Md. A. Rashed, Jahir Ahmed et al. • Electrochemical Science Advances (2026)

ABSTRACT Dopamine (DA) plays a vital role as a neurotransmitter in the central nervous system (CNS), and its accurate quantification is essential for diagnosing neurological disorders. However, selective and sensitive detection of DA in com...

DOAJ Open Access (DOAJ) DOI: 10.1002/elsa.70011

Nanotechnology for cancer treatment

William H. Gmeiner, Supratim Ghosh • Nanotechnology Reviews (2013)

Nanotechnology has the potential to increase the selectivity and potency of chemical, physical, and biological approaches for eliciting cancer cell death while minimizing collateral toxicity to nonmalignant cells. Materials on the nanoscale...

OPENALEX cc-by-nc-nd DOI: https://doi.org/10.1515/ntrev-2013-0013 PMC: 4465796

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

Intense laser interaction with micro-bars

Michal Elkind, Itamar Cohen, David Blackman, Talia Meir et al. • Scientific Reports (2023)

Abstract Intense laser fields interact very differently with micrometric rough surfaces than with flat objects. The interaction features high laser energy absorption and increased emission of MeV electrons, ions, and of hard x-rays. In this...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-023-48866-z

Effects of urea, metal ions and surfactants on the binding of baicalein with bovine serum albumin

Atanu Singha Roy, Amit Kumar Dinda, Nitin Kumar Pandey, Swagata Dasgupta • Journal of Pharmaceutical Analysis (2016)

The interaction of baicalein with bovine serum albumin (BSA) was investigated with the help of spectroscopic and molecular docking studies. The binding affinity of baicalein towards BSA was estimated to be in order of 105 M−1 from fluoresce...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jpha.2016.04.001

Effect of Preparation Mode on the Properties of Mn-Na-W/SiO2 Catalysts for Oxidative Coupling of Methane: Conventional Methods vs. POSS Nanotechnology

I. Z. Ismagilov, E. V. Matus, V. V. Kuznetsov, M. A. Kerzhentsev et al. • Eurasian Chemico-Technological Journal (2016)

Using XPS, BET, XRD, TG-DTA, HRTEM-EDX, TPR and UV-Vis Diffuse Reflectance spectroscopic methods the electronic, redox and structural properties of Mn-Na-W/SiO2 catalysts prepared by the incipient wetness impregnation method and mixture slu...

DOAJ Open Access (DOAJ) DOI: 10.18321/ectj430

A Novel Anticancer Peptide Derived from <i>Bryopsis plumosa</i> Regulates Proliferation and Invasion in Non-Small Cell Lung Cancer Cells

Heabin Kim, Hyun-Taek Kim, Seung-Hyun Jung, Jong Won Han et al. • Marine Drugs (2023)

The discovery of new highly effective anticancer drugs with few side effects is a challenge for drug development research. Natural or synthetic anticancer peptides (ACPs) represent a new generation of anticancer agents with high selectivity...

DOAJ Open Access (DOAJ) DOI: 10.3390/md21120607

Autism Spectrum Disorder and collective catering service: results of the pilot study FOOD-AUT

Maria Vittoria Conti, Sara Santero, Chiara Breda, Sara Basilico et al. • Frontiers in Nutrition (2024)

ObjectiveIndividuals with Autism Spectrum Disorder (ASD) often exhibit a low dietary diversity due to food selectivity that leads them to a marked preference for high-energy-density food, exposing them to risk of malnutrition. Despite these...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnut.2023.1298469

Electrochemical Sensor for Simple and Sensitive Determination of Hydroquinone in Water Samples Using Modified Glassy Carbon Electrode

Parisa Karami-Kolmoti, Hadi Beitollahi, Sina Modiri • Biomedicines (2023)

This study addressed the use of manganese dioxide nanorods/graphene oxide nanocomposite (MnO2 NRs/GO) for modifying a glassy carbon electrode (GCE). The modified electrode (MnO2 NRs/GO/GCE) was used as an electrochemical sensor for the dete...

DOAJ Open Access (DOAJ) DOI: 10.3390/biomedicines11071869

Permanent demand excess as business strategy: an analysis of the Brazilian higher-education market

Rodrigo Menon Simões Moita, Carlos Eduardo Lobo e Silva, Eduardo de Carvalho Andrade • RAUSP: Revista de Administração da Universidade de São Paulo (2015)

Many Higher Education Institutions (HEIs) establish tuition below the equilibrium price to generate permanent demand excess. This paper first adapts Becker’s (1991) theory to understand why the HEIs price in this way. The fact that students...

DOAJ Open Access (DOAJ) DOI: 10.5700/rausp1181

Distributed Bragg reflectors for the colorimetric detection of bacterial contaminants and pollutants for food quality control

Giuseppe M. Paternò, Giovanni Manfredi, Francesco Scotognella, Guglielmo Lanzani • APL Photonics (2020)

Real-time monitoring of bacterial contaminants and pollutants in food is of paramount importance nowadays, owing to the impressive extension of the food production/supply chain and the consequent increase in foodborne outbreaks worldwide. T...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0013516