Reset
Showing 20 of 757 academic articles

Anticancer, antioxidant and antibacterial potential of L-Glutaminase (Streptomyces roseolus strain ZKB1) capped silver and zinc oxide nanoparticles and its molecular characterization

Zabin K. Bagewadi, Gouri H. Illanad, T. M. Yunus Khan, Shaik Mohamed Shamsudeen et al. • Bioresources and Bioprocessing (2025)

Abstract The current investigation reports anti-cancer, antioxidant and antibacterial potential of L-Glutaminase (Streptomyces roseolus strain ZKB1) and L-Glutaminase capped nanoparticles. The highest L-Glutaminase production of 9.57 U/mL w...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40643-025-00857-w

Stress Levels Escalate When Repeatedly Performing Tasks Involving Threats

Johan Bertilsson, Johan Bertilsson, Diederick C. Niehorster, Diederick C. Niehorster et al. • Frontiers in Psychology (2019)

Police work may include performing repeated tasks under the influence of psychological stress, which can affect perceptual, cognitive and motor performance. However, it is largely unknown how repeatedly performing stressful tasks physically...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpsyg.2019.01562

The Effect of Different Accelerators on the Vulcanization of EPDM Rubber

Murat Teker, Ayşe Usluoğlu, Esra Öztürk • Journal of the Turkish Chemical Society, Section A: Chemistry (2024)

: EPDM (ethylene propylene diene monomer) is a type of synthetic rubber. The products of rubber have great importance in every part of life. EPDM rubber has high tensile strength, high tension, toughness, and is weather resistant. Therefore...

DOAJ Open Access (DOAJ) DOI: 10.18596/jotcsa.1416132

Engineered Bacterial Cellulose Nanostructured Matrix for Incubation and Release of Drug-Loaded Oil in Water Nanoemulsion

Concetta Di Natale, Concetta Di Natale, Concetta Di Natale, Vincenza De Gregorio et al. • Frontiers in Bioengineering and Biotechnology (2022)

Bacterial cellulose (BC) is a highly pure form of cellulose produced by bacteria, which possesses numerous advantages such as good mechanical properties, high chemical flexibility, and the ability to assemble in nanostructures. Thanks to th...

DOAJ Open Access (DOAJ) DOI: 10.3389/fbioe.2022.851893

Physicochemical characterization and source apportionment of Arctic ice-nucleating particles observed in Ny-Ålesund in autumn 2019

G. Li, E. K. Wilbourn, Z. Cheng, J. Wieder et al. • Atmospheric Chemistry and Physics (2023)

Ice-nucleating particles (INPs) initiate primary ice formation in Arctic mixed-phase clouds (MPCs), altering cloud radiative properties and modulating precipitation. For atmospheric INPs, the complexity of their spatiotemporal variations, h...

DOAJ Open Access (DOAJ) DOI: 10.5194/acp-23-10489-2023

Synthesis and Characterization of Four Random copolymers Containing Fluorene as Electron Donors and Benzotriazole, Benzothiadiazole, Pyrido[3,4-b]pyrazine as Electron Acceptors

Shuang Chen, Lingqian Kong, Chaolei Ban, Jinsheng Zhao et al. • International Journal of Electrochemical Science (2018)

Four copolymers, poly(fluorene-pyrido[3,4-b]pyrazine) (PFPP), poly(benzotriazole-fluorene-pyrido[3,4-b]pyrazine) (PBTFPP), poly(benzotriazole-fluorene-benzothiadiazole) (PBTFBD), poly(benzothiadiazole-fluorene-benzothiadiazole) (PBDFBD)were...

DOAJ Open Access (DOAJ) DOI: 10.20964/2018.10.16

Alzheimer’s Disease as a Membrane Disorder: Spatial Cross-Talk Among Beta-Amyloid Peptides, Nicotinic Acetylcholine Receptors and Lipid Rafts

Camila Fabiani, Camila Fabiani, Silvia S. Antollini, Silvia S. Antollini • Frontiers in Cellular Neuroscience (2019)

Biological membranes show lateral and transverse asymmetric lipid distribution. Cholesterol (Chol) localizes in both hemilayers, but in the external one it is mostly condensed in lipid-ordered microdomains (raft domains), together with satu...

DOAJ Open Access (DOAJ) DOI: 10.3389/fncel.2019.00309

Green synthesis, characterization and functional validation of bio-transformed selenium nanoparticles

S. Vasanthakumar, M. Manikandan, Muthu Arumugam • Biochemistry and Biophysics Reports (2024)

Selenium, an essential micronutrient with potent anticancer and antioxidant properties, the inorganic form of selenium is highly toxic, while organic and elemental nanoforms are more bioavailable and less toxic and have gained attention owi...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.bbrep.2024.101760

Paraffinic oil residues after heating as a basis for fuel

Zvereva Elvira, Makarova Anastasiya, Ilyin Nikolay, Ageeva Marina et al. • E3S Web of Conferences (2023)

The possibility of reuse of heavy residues (oily sludge) of low-sulfur, highly paraffinic Mangyshlak oils as a basis for fuel with improved environmental characteristics for engines to marine, river and railway transport, gas turbine and bo...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202337604020

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

Application of a novel pH-responsive gemini surfactant for delivery of curcumin molecules

Maral Rahimzadeh, Majid Sadeghizadeh, Farhood Najafi, Seyed Shahriar Arab et al. • Materials Research Express (2020)

During the last few decades, extensive studies have been conducted to elucidate the anti-cancer effects of curcumin. Despite promising results indicating curcumin could impede cancer cells ability thrive and proliferation, clinical applicat...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/ab770f

Dielectric Properties of Phosphatidylcholine Membranes and the Effect of Sugars

Victoria Vitkova, Vesela Yordanova, Galya Staneva, Ognyan Petkov et al. • Membranes (2021)

Simple carbohydrates are associated with the enhanced risk of cardiovascular disease and adverse changes in lipoproteins in the organism. Conversely, sugars are known to exert a stabilizing effect on biological membranes, and this effect is...

DOAJ Open Access (DOAJ) DOI: 10.3390/membranes11110847

Effects of the Brazilian Native Fruit Jaboticaba (<i>Plinia cauliflora</i>) Peel on Inflammatory and Oxidative Stress Pathways: Insights from a Pilot Study in Hemodialysis Patients and Renal Cell Models

Ligia Soares Lima, Jessyca Sousa de Brito, Marcelo Ribeiro-Alves, Karen Salve Coutinho-Wolino et al. • Foods (2025)

Jaboticaba (Plinia cauliflora), a Brazilian native fruit rich in bioactive compounds, exhibits potent anti-inflammatory and antioxidant properties. This pilot study evaluated the effects of jaboticaba peel supplementation on inflammatory an...

DOAJ Open Access (DOAJ) DOI: 10.3390/foods14234030

Proteomic analysis of synergetic neuroprotective effect of adenosine, thiamine, niacin and cyanocobalamin in pathophysiology of diabetic polyneuropathy

O. A. Gromova, I. Yu. Torshin, A. G. Moiseenok • Фармакоэкономика (2025)

Background. Neurotransmitter adenosine and B-group vitamins have neuroprotective, remyelinizing and anti-neuroinflammatory properties. Despite the studies of these molecules for decades, the molecular mechanisms of their synergistic effect ...

DOAJ Open Access (DOAJ) DOI: 10.17749/2070-4909/farmakoekonomika.2024.285

miR-130a-3p Exacerbates Sepsis-Induced Cardiac Dysfunction by Promoting Inflammation and Targeting PDK4

Jinyu Liu, Xiaowei Yuan, Wei Chen, Dongqin Shen • Clinical and Applied Thrombosis/Hemostasis (2026)

Background Sepsis is frequently complicated by systemic inflammatory injury and cardiac dysfunction, which serve as risk factors of adverse clinical outcomes and increased mortality risk. To clarify the function of miR-130a-3p in sepsis dia...

DOAJ Open Access (DOAJ) DOI: 10.1177/10760296261468449

Computational analyses on delineating specificity of 2-hydroxy-3,5-dinitrobenzamide, a BH3-mimetic, towards anti-apoptotic proteins

Dakshinamurthy Sivakumar, Natarajan Hari, Thirunavukkarasu Sivaraman • Bangladesh Journal of Pharmacology (2014)

We have herein computationally examined binding affinities and specificity of 2-hydroxy-3,5-dinitrobenzamide (HDNB), a small chemical molecular BH3-mimetic identified by means of ‘peptidodynmimetic method’, on the BH3-binding grooves of six...

DOAJ Open Access (DOAJ)

Spray dried inulin–sodium carboxymethylcellulose microcarriers with solid-to-colloidal transition: Development for foliar delivery of polyphenol-rich extract

Rita Patrizia Aquino, Teresa Mencherini, Pierluigi Mazzei, Tiziana Esposito et al. • Carbohydrate Polymer Technologies and Applications (2025)

This study reports on the development of a carbohydrate-based spray-dried microparticulate system (F-CHES) conceived for the stabilization and foliar delivery of polyphenol-rich plant extracts for sustainable phyto defense applications. Che...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.carpta.2025.101023

Synthesis and properties of fluorene based small molecule acceptors containing aromatic malononitrile functionalities

Sarah E. Brock, Dariia Yehorova, Brycelyn M. Boardman • Results in Chemistry (2022)

Four novel small molecule acceptors (SMA) with fluorene-based cores were synthesized with terminal phenyl, thienyl, and furyl malononitrile groups in good yields. The products were obtained from a two-step reaction of 2,2′-(9,9-dioctyl-9H-f...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rechem.2022.100320