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Heat transfer augmentation of Al2O3-Cu/water hybrid nanofluid in circular duct with inserts

Muluken Biadgelegn Wollele, Harish H.V, Mebratu Assaye • Cogent Engineering (2022)

Nanotechnology has opened up new avenues for industrial efficiency and performance. The Al2O3-Cu/water hybrid nanofluid with and without insert is analyzed numerically and validated to show heat transfer enhancement. A circular duct with in...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2022.2146627

Development of a Portable Electrochemical Platform with Chip-Integrated Gold Electrodes for Detection of Pharmaceutical Pollutants

Miguel Tavares, Álvaro Torrinha, Raquel Queirós, João Piteira et al. • Engineering Proceedings (2023)

Electrochemical portable sensing systems can offer viable support in the analysis of environmental contaminants due to the compactness of their electronic components and overall simplicity of their detection principles. In the present work,...

DOAJ Open Access (DOAJ) DOI: 10.3390/CSAC2023-14900

Rhizospheric Microbes and Nanoparticles Synergize to Enhance Plant Immune Responses

Mohammad Nazrul Islam Bhuiyan, Md. Saidur Rahman, Md. Mahfuzur Rahman, Barun Kanti Saha • Plant-Environment Interactions (2026)

ABSTRACT Sustainable crop production increasingly requires innovative strategies that can enhance plant resilience while reducing dependence on synthetic agrochemicals. Recent advances in nanotechnology and rhizosphere microbiome research h...

DOAJ Open Access (DOAJ) DOI: 10.1002/pei3.70183

Facile Synthesis of Propranolol and Novel Derivatives

Vy Anh Tran, Nguyen Hai Tai Tran, Long Giang Bach, Trinh Duy Nguyen et al. • Journal of Chemistry (2020)

Propranolol is one of the first medications of the beta-blocker used for antihypertensive drugs. This study reports the facile route for the synthesis of propranolol and its novel derivatives. Herein, propranolol synthesis proceeded from 1-...

DOAJ Open Access (DOAJ) DOI: 10.1155/2020/9597426

Evaluation of resistance modulation in MDR Pseudomonas aeruginosa and Klebsiella pneumoniae using peppermint oil nanoemulsion: integrating antibacterial assays and molecular modeling

Sardar Ali, Firasat Hussain, Tehmeena Nousheen, Kashif Rahim et al. • Frontiers in Microbiology (2025)

IntroductionMultidrug-resistant urinary tract pathogens, primarily Klebsiella pneumoniae and Pseudomonas aeruginosa, represent a significant and growing public health challenge. The overuse of antibiotics has accelerated the development of ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2025.1704938

Synthesis and electrochemical characterization of iron oxide/poly(2-methylaniline) nanohybrids for supercapacitor application

Ahmed Ashour M., Essam Doaa, Kabatas Mohamed A. Basyooni-M., Abdel-Khaliek Ahmed A. et al. • Nanotechnology Reviews (2025)

This study reports the synthesis of a nanohybrid material composed of poly(2-methylaniline) (P(2MA)) and iron oxide (Fe2O3) as electrodes for supercapacitors using a simple and cost-effective method. Various characterization techniques were...

DOAJ Open Access (DOAJ) DOI: 10.1515/ntrev-2025-0189

Casearia tomentosa fruit extracts exposed larvicidal activity and morphological alterations in Culex quinquefasciatus and Aedes albopictus under in vitro and semi field conditions

Priyanka Mandal, Goutam Chandra • BMC Research Notes (2024)

Abstract Mosquitoes are notorious insects that transmit a wide range of infectious diseases, including zika, malaria, chikungunya, filariasis, and dengue. The overuse and incorrect application of synthetic pesticides to control mosquitoes h...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13104-023-06663-x

Multifunctional properties of Phlomis aurea extracts: In-vitro antioxidant, antimicrobial, anticancer, potent repellency against two mosquito vectors and molecular docking studies

Mohamed A. M. El-Tabakh, Ahmed Z. I. Shehata, Ahmed M. Sadek, Salem S. Salem et al. • Applied Biological Chemistry (2025)

Abstract To develop economically viable and environmentally benign methodologies for organic reactions and reveal the practical utility of transitional natural compounds and their derivatives. In addition, a new research method to conduct d...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13765-025-00982-2

Altered electrochemical properties of iron oxide nanoparticles by carbon enhance molecular biocompatibility through discrepant atomic interaction

S.K. Verma, A. Thirumurugan, P.K. Panda, P. Patel et al. • Materials Today Bio (2021)

Recent advancement in nanotechnology seeks exploration of new techniques for improvement in the molecular, chemical, and biological properties of nanoparticles. In this study, carbon modification of octahedral-shaped magnetic nanoparticles ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.mtbio.2021.100131

In vitro antimicrobial and antileishmanial evaluation of green-synthesized ZnO nanoparticles from Cirsium arvense

Yasir Zeb, Asad Ullah, Farhan Ahmad, Bilal Ahmad et al. • Next Nanotechnology (2025)

The emergence of antibiotic-resistant bacterial strains poses a serious public health challenge, urging the need for alternative therapeutic approaches. This study presents, for the first time, the green synthesis of zinc oxide nanoparticle...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nxnano.2025.100281

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

Morphological dependent Indium incorporation in InGaN/GaN multiple quantum wells structure grown on 4° misoriented sapphire substrate

Teng Jiang, Shengrui Xu, Jincheng Zhang, Peixian Li et al. • AIP Advances (2016)

The epitaxial layers of InGaN/GaN MQWs structure were grown on both planar and vicinal sapphire substrates by metal organic chemical vapor deposition. By comparing the epitaxial layers grown on planar substrate, the sample grown on 4° misor...

DOAJ Open Access (DOAJ) DOI: 10.1063/1.4944862

Nanotechnology’s frontier in combatting infectious and inflammatory diseases: prevention and treatment

Yujing Huang, Xiaohan Guo, Yi Wu, Xingyu Chen et al. • Signal Transduction and Targeted Therapy (2024)

Abstract Inflammation-associated diseases encompass a range of infectious diseases and non-infectious inflammatory diseases, which continuously pose one of the most serious threats to human health, attributed to factors such as the emergenc...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41392-024-01745-z

Evaluation of drug delivery performance of curcumin by chitosan synthesized from the skin of the shrimp of the Gulf of Gorgan

Hananeh Pourbagher, Bahman Sharifzadeh, Mazyar Ahmadi Golsefidi, Seyyedeh Sahra Mirmasoudi • Next Nanotechnology (2024)

Chitosan nanoparticles have emerged as promising carriers for curcumin delivery due to their biocompatibility, biodegradability, and mucoadhesive properties. This study investigates the development and characterization of chitosan nanoparti...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nxnano.2024.100085

MiR-200c synergizes with trastuzumab-loaded gold nanoparticles to overcome resistance in ovarian cancer cells

Tommaso A. Salamone, Sofia Marotta, Stella Mrmić, Salvatore Raffa et al. • Cancer Nanotechnology (2025)

Abstract Background Trastuzumab (TZ) resistance remains a significant challenge in the treatment of human epidermal growth factor receptor 2 (HER2)-positive epithelial ovarian cancer (EOC), necessitating novel therapeutic strategies to impr...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12645-025-00330-5