ArticlePloS one2014
Size-dependent antimicrobial effects of novel palladium nanoparticles.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 2 of them syntheses that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
49 citing papers in PubMed, 2 syntheses or guidelines pooled it, 211 citations in OpenAlex.
- A Systemic Review on the Synthesis, Characterization, and Applications of Palladium Nanoparticles in Biomedicine.Applied biochemistry and biotechnology · 2023Pooled it
- A systematic review on anti-malarial drug discovery and antiplasmodial potential of green synthesis mediated metal nanoparticles: overview, challenges and future perspectives.Malaria journal · 2019Pooled it
- Review of Antimicrobial Properties of Carbon Nanomaterials.International journal of molecular sciences · 2026Review
- Green Palladium Nanoparticles: Mechanism of Synthesis and Biomedical Application.Journal of functional biomaterials · 2026Review
- Bio-inspired Synthesis, Characterization, and Biomedical Applications of Optimized Ceiba pentandra Silver Nanoparticles.Biological trace element research · 2025Article
- Palladium nanoparticles from β-cyclodextrin and cellulose methyl carboxylate as an effective catalyst for Sonogashira coupling and the reduction of alkynes.RSC advances · 2025Article
- New Palladium(II) Complexes Containing Methyl Gallate and Octyl Gallate: Effect againstMolecules (Basel, Switzerland) · 2023Article
- Phytofabrication and characterization ofFrontiers in bioengineering and biotechnology · 2023Article
- Potential Environmental and Health Implications from the Scaled-Up Production and Disposal of Nanomaterials Used in Biosensors.Biosensors · 2022Review
- Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application.Microorganisms · 2022Review
- Palladium Nanoparticles Synthesized by Laser Ablation in Liquids for Antimicrobial Applications.Nanomaterials (Basel, Switzerland) · 2022Article
- Influence of Laser Process Parameters, Liquid Medium, and External Field on the Synthesis of Colloidal Metal Nanoparticles Using Pulsed Laser Ablation in Liquid: A Review.Nanomaterials (Basel, Switzerland) · 2022Review
- Theragnostic application of nanoparticle and CRISPR against food-borne multi-drug resistant pathogens.Materials today. Bio · 2022Review
- The role of nanoparticles (titanium dioxide, graphene oxide) on the inactivation of co-existing bacteria in the presence and absence of quartz sand.Environmental science and pollution research international · 2022Article
- Hyaluronic Acid Derivative Molecular Weight-Dependent Synthesis and Antimicrobial Effect of Hybrid Silver Nanoparticles.International journal of molecular sciences · 2021Article
- Antibiotics- and Heavy Metals-Based Titanium Alloy Surface Modifications for Local Prosthetic Joint Infections.Antibiotics (Basel, Switzerland) · 2021Review
- Characterization, Antimicrobial and Anticancer Properties of Palladium Nanoparticles Biosynthesized Optimally Using Saudi Propolis.Nanomaterials (Basel, Switzerland) · 2021Article
- Antimicrobial Properties of Palladium and Platinum Nanoparticles: A New Tool for Combating Food-Borne Pathogens.International journal of molecular sciences · 2021Article
- Recent Progress in Lipid Nanoparticles for Cancer Theranostics: Opportunity and Challenges.Pharmaceutics · 2021Review
- Soft Sensor Development for Real-Time Process Monitoring of Multidimensional Fractionation in Tubular Centrifuges.Nanomaterials (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Investigating the interactions between nanoscale materials and microorganisms is crucial to provide a comprehensive, proactive understanding of nanomaterial toxicity and explore the potential for novel applications. It is well known that nanomaterial behavior is governed by the size and composition of the particles, though the effects of small differences in size toward biological cells have not been well investigated. Palladium nanoparticles (Pd NPs) have gained significant interest as catalysts for important carbon-carbon and carbon-heteroatom reactions and are increasingly used in the chemical industry, however, few other applications of Pd NPs have been investigated. In the present study, we examined the antimicrobial capacity of Pd NPs, which provides both an indication of their usefulness as target antimicrobial compounds, as well as their potency as potential environmental pollutants. We synthesized Pd NPs of three different well-constrained sizes, 2.0 ± 0.1 nm, 2.5 ± 0.2 nm and 3.1 ± 0.2 nm. We examined the inhibitory effects of the Pd NPs and Pd(2+) ions toward gram negative Escherichia coli (E. coli) and gram positive Staphylococcus aureus (S. aureus) bacterial cultures throughout a 24 hour period. Inhibitory growth effects of six concentrations of Pd NPs and Pd(2+) ions (2.5 × 10(-4), 10(-5), 10(-6), 10(-7), 10(-8), and 10(-9) M) were examined. Our results indicate that Pd NPs are generally much more inhibitory toward S. aureus than toward E. coli, though all sizes are toxic at ≥ 10(-5) M to both organisms. We observed a significant difference in size-dependence of antimicrobial activity, which differed based on the microorganism tested. Our work shows that Pd NPs are highly antimicrobial, and that fine-scale (<1 nm) differences in size can alter antimicrobial activity.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.