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Micro, Volume 5, Issue 4

2025 December - 17 articles

Cover Story: Engineered ZnO nanoparticles are increasingly entering aquatic systems, yet their ecological impact remains poorly defined. Here, we show that silver doping, despite causing only minor structural shifts, dramatically alters toxicity dynamics in Artemia salina. Pure ZnO exhibited LC50 values of 358 ppm (24 h) and 64 ppm (48 h), whereas Ag-ZnO shifted to 607 ppm and a striking 28 ppm, respectively. This pronounced increase in 48 h lethality reveals how small compositional changes can amplify long-term biological effects, emphasizing the critical need for dopant-specific and time-resolved nanotoxicological evaluations. View this paper
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Articles (17)

  • Review
  • Open Access
23 Citations
5,234 Views
22 Pages

Nanotechnology in Wound Healing: A New Frontier in Regenerative Medicine

  • Alibala Aliyev,
  • Aygun Israyilova,
  • Ulviyya Hasanova,
  • Zarema Gakhramanova and
  • Aida Ahmadova

10 December 2025

The process of wound healing is intricate and regulated by a network of cellular, molecular, and biochemical pathways. Acute wounds progress via distinct phases of hemostasis, inflammation, proliferation, and remodeling. Chronic wounds frequently cea...

(This article belongs to the Special Issue Responsive Polymeric Nanomaterials and Hydrogels: Synthesis, Characterization, and Applications)
  • Article
  • Open Access
1,878 Views
15 Pages

Frequency Response Investigations of a Non-Functionalized Triple-Microcantilever System

  • Luca Banchelli,
  • Rosen Mitrev,
  • Vladimir Stavrov,
  • Borislav Ganev and
  • Todor Todorov

8 December 2025

This paper presents a theoretical and experimental investigation of the amplitude–frequency response of a triple-microcantilever system designed for real-time ultra-low mass detection. The present study focuses on the unfunctionalized configura...

  • Article
  • Open Access
6 Citations
1,873 Views
12 Pages

Acute Toxicity of Pure and Silver-Doped ZnO Nanoparticles in Artemia salina Based on LC50 Determination

  • Jexairys Sostre-Figueroa,
  • Amanda Rodríguez-Cadiz and
  • Sonia J. Bailón-Ruiz

6 December 2025

Zinc oxide (ZnO) nanoparticles are widely used in cosmetics, coatings, and industrial formulations due to their UV-absorbing and antimicrobial properties; however, their increasing release into aquatic systems has raised concerns about potential ecol...

  • Article
  • Open Access
531 Views
13 Pages

High-Temperature Properties of an Equimolar CoNiFeCr Medium-Entropy Alloy with Added Titanium

  • Patrice Berthod,
  • Siouare Hammi,
  • Lionel Aranda and
  • Christophe Rapin

6 December 2025

This study investigates the effects of Ti addition on the microstructures, melting temperature ranges, thermal expansion behavior, high-temperature creep and oxidation resistances of an equimolar CoNiFeCr alloy of a foundry origin. The addition of 1....

  • Article
  • Open Access
1,305 Views
21 Pages

5 December 2025

Antimicrobial resistance (AMR) poses a global health threat, which is becoming more challenging due to the involvement of bacterial virulence mechanisms such as quorum sensing (QS) and biofilm formation. These systems regulate pathogenic traits and s...

  • Article
  • Open Access
2 Citations
1,288 Views
23 Pages

Engineering Synergistic and Stable Polycatechin-Capped Copper Nanoparticles as a Green Nano-Antibacterial Platform Against Resistant Pathogens and Biofilms

  • Quan Truong Nguyen,
  • Phuong Thi Thu Pham,
  • Uyen Thu Pham,
  • Duong Thanh Nguyen,
  • Trung Thanh Luu and
  • Doanh Van Nguyen

1 December 2025

Background: Copper nanoparticles (CuNPs) are promising antibacterial agents, but instability and heterogeneity in ‘green’ routes limit translation. Methods: We developed a one-step synthesis in which pre-polymerized polycatechin acts as b...

(This article belongs to the Topic Antimicrobial Agents and Nanomaterials—2nd Edition)
  • Article
  • Open Access
3 Citations
1,162 Views
25 Pages

Exploring Structural and Electrical Behavior of Nanostructured Polypyrrole/Strontium Titanate Composites for CO2 Sensor

  • S. Mytreyi,
  • Sharanappa Chapi,
  • Sutar Rani Ananda,
  • Nagaraj Nandihalli and
  • M. V. Murugendrappa

28 November 2025

The current research presents the synthesis, characterization, and application of a novel gas sensor based on polypyrrole/strontium titanate (PPy/STO) nanocomposites for the selective detection of CO2. Utilizing chemical oxidative polymerization, PPy...

(This article belongs to the Special Issue Nanomaterials for Sustainable Waste Conversion, Energy Production, and Environmental Applications)
  • Article
  • Open Access
4 Citations
1,286 Views
16 Pages

23 November 2025

Developing conductive hydrogels that balance high conductivity, stretchability, transparency, and sensitivity for next-generation wearable sensors remains challenging due to inherent trade-offs. This study introduces a straightforward approach to fab...

(This article belongs to the Special Issue Innovative Materials for Bioelectronics in Wearable and Implantable Applications)
  • Article
  • Open Access
2 Citations
1,498 Views
24 Pages

23 November 2025

This study investigates electrospinning methodologies using distilled water as an environmentally friendly and non-toxic solvent for fabricating nanofibers composed of fish collagen (COL) and pullulan (PUL). The underlying hypothesis is that incorpor...

(This article belongs to the Special Issue Nanomaterials for Sustainable Waste Conversion, Energy Production, and Environmental Applications)
  • Article
  • Open Access
1,081 Views
17 Pages

16 November 2025

This work presents a comparative study on the structural, microstructural, and functional properties of a novel lead-free solid solution based on (1−x)(0.95(Bi0.5Na0.5)TiO3–0.05BaTiO3)–x(0.5Ba0.7Ca0.3TiO3–0.5BaTi0.8Zr0.2O3), a...

(This article belongs to the Special Issue Nanomaterials for Sustainable Waste Conversion, Energy Production, and Environmental Applications)
  • Article
  • Open Access
3 Citations
2,263 Views
17 Pages

Citrus-Derived Carbon Quantum Dots: Synthesis, Characterization, and Safety Evaluation in Zebrafish (Danio rerio) for Potential Biomedical and Nutritional Applications

  • Vijayan Malavika,
  • Muthuswami Ruby Rajan,
  • Raman Krishnamoorthi,
  • Kozhikamabath Chandrasekharan Adithya and
  • Kwang-sun Kim

7 November 2025

Carbon quantum dots (CQDs) are photoluminescent nanomaterials (<10 nm) with excellent hydrophilicity, biocompatibility, and low cytotoxicity, making them attractive for biological applications. However, their use in aquaculture nutrition has remai...

  • Brief Report
  • Open Access
1 Citations
1,468 Views
11 Pages

A Note on Computational Characterization of Dy@C82: Dopant for Solar Cells

  • Zdeněk Slanina,
  • Filip Uhlík,
  • Takeshi Akasaka,
  • Xing Lu and
  • Ludwik Adamowicz

31 October 2025

Dy@C82 is one of the metallofullerenes studied as dopants for improvements of stability and performance of solar cells. Calculations should help in formulating rules for selections of fullerene endohedrals for such new applications in photovoltaics....

(This article belongs to the Collection Microsystem and Nanosystem Research for Sensors, Actuators and Energy Conversion Devices)
  • Review
  • Open Access
5 Citations
3,229 Views
25 Pages

31 October 2025

Hydrogel microneedles (HMNs) act as non-invasive devices that can effortlessly merge with the human body for drug delivery and diagnostic purposes. Nonetheless, their improvement is limited by intricate and repetitive issues related to material compo...

(This article belongs to the Special Issue Responsive Polymeric Nanomaterials and Hydrogels: Synthesis, Characterization, and Applications)
  • Article
  • Open Access
4 Citations
3,513 Views
20 Pages

Explainable AI-Driven Raman Spectroscopy for Rapid Bacterial Identification

  • Dimitris Kalatzis,
  • Angeliki I. Katsafadou,
  • Dimitrios Chatzopoulos,
  • Charalambos Billinis and
  • Yiannis Kiouvrekis

14 October 2025

Raman spectroscopy is a rapid, label-free, and non-destructive technique for probing molecular structures, making it a powerful tool for clinical pathogen identification. However, interpreting its complex spectral data remains challenging. In this st...

  • Article
  • Open Access
2 Citations
2,640 Views
27 Pages

30 September 2025

Introduction: Hospital-acquired infections remain a significant healthcare concern due to the persistence of pathogens such as Staphylococcus aureus and Escherichia coli on frequently touched surfaces. Conventional TiO2 coatings are limited to UV act...

(This article belongs to the Topic Antimicrobial Agents and Nanomaterials—2nd Edition)
  • Article
  • Open Access
1,733 Views
19 Pages

Nano-Biomechanical Analysis of a Corticosteroid Drug for Targeted Delivery into the Alveolar Air—Water Interface Using Molecular Dynamics Simulation

  • Zohurul Islam,
  • Khalid Bin Kaysar,
  • Shakhawat Hossain,
  • Akram Hossain,
  • Suvash C. Saha,
  • Toufik Tayeb Naas and
  • Kwang-Yong Kim

25 September 2025

The enhancement of drug delivery into the lung surfactant is facilitated by research on the interaction between drugs and the lung surfactant. Drug designers must have a thorough theoretical understanding of a drug before performing clinical tests to...

(This article belongs to the Collection Advances in Microtechnology for Cell/Tissue Engineering and Biosensing)
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Micro - ISSN 2673-8023