☆ 4.7 Review

Optical, structural and antibacterial properties of silver nanoparticles and DNA-templated silver nanoclusters

NANOMEDICINE (2023)

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A ratiometric fluorescent biosensing platform for ultrasensitive detection of Salmonella typhimurium via CRISPR/Cas12a and silver nanoclusters

Long Ma et al.

Summary: We developed a versatile biosensing platform, SCENT-Cas (Silver nanoCluster Empowered Nucleic acids Test using CRISPR/Cas12a), for ultrasensitive detection of pathogenic bacteria. This platform used the isothermal amplification of the invA gene of Salmonella typhimurium to trigger trans-cleavage of CRISPR/Cas12a. The trans-cleavage was then utilized to degrade single-stranded DNA and create a ratiometric fluorescence biosensing platform. This method enabled the detection of 1 CFU/mL S. typhi with a dynamic range from 1 to 108 CFU/mL, and showed promise for real food sample testing.

JOURNAL OF HAZARDOUS MATERIALS (2023)

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Article Chemistry, Analytical

Detection of cancer-associated miRNA using a fluorescence switch of AgNC@NA and guanine-rich overhang sequences

Dylan Fredrick et al.

Summary: DNA-templated silver nanoclusters (AgNC@DNA) are a new type of nanomaterial with advantageous optical properties. The fluorescence of nanoclusters can be tuned using DNA overhangs. In this study, we explored the properties of AgNCs manufactured on a short single-stranded (dC)(12) with adjacent G-rich sequences (dG(N)) added. Adding a G-rich overhang resulted in a significant change in fluorescence, with the emergence of two new emissive states. This property was utilized to design biosensors capable of detecting specific nucleic acid sequences, and the detection switch showed sensitivity and specificity for a prostate cancer-related miRNA sequence.

LUMINESCENCE (2023)

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Review Biochemistry & Molecular Biology

Nano-silver functionalized polysaccharides as a platform for wound dressings: A review

Yucheng Yuan et al.

Summary: Healing of defective skin tissue, especially chronic wounds, is a complex process that can cause extensive suffering and high cost for patients. Traditional wound dressings are not sufficient for the whole wound healing process, so there is a need to develop new wound dressings with multiple functions. Nano-silver and naturally derived polysaccharides have shown great potential in wound healing due to their antibacterial properties, good biocompatibility, and affordability.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Chemistry, Analytical

Modulating the Fluorescence of Silver Nanoclusters Wrapped in DNA Hairpin Loops via Confined Strand Displacement and Transient Concatenate Ligation for Amplifiable Biosensing

Jia-Yang He et al.

Summary: This study demonstrates the modulation of fluorescence emission of DNA-scaffolded silver nanoclusters (AgNCs) for biosensing of a DNA segment related to SARS-CoV-2. By utilizing specific DNA structures, the fluorescence emission of AgNCs can be controlled, highlighting the potential applications in biosensing and clinical diagnostics.

ANALYTICAL CHEMISTRY (2022)

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A ratiometric fluorescent biosensor based on magnetic-assisted hybridization chain reaction and DNA-templated silver nanoclusters for sensitive microRNA detection

Zheng Wei Wong et al.

Biosensors and Bioelectronics: X (2022)

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Article Nanoscience & Nanotechnology

Inhibition of Bacteria In Vitro and In Vivo by Self-Assembled DNA-Silver Nanocluster Structures

Shima Liu et al.

Summary: Antimicrobial nanomaterials have great potential for bacteria-infected wound healing, but balancing antimicrobial efficacy and biocompatibility remains a challenge. In this study, biocompatible DNA was used as a building material to fabricate antimicrobial materials, which effectively inhibit bacterial growth without affecting cell proliferation. Particularly, Y-Ag spray can expedite the process of wound healing.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Analytical

Label-free and dual-mode biosensor for HPV DNA based on DNA/silver nanoclusters and G-quadruplex/hemin DNAzyme

Junyang Chen et al.

Summary: A label-free and fluorimetric/colorimetric dual-mode sensing strategy was developed for the quantitative determination of HPV DNA. By integrating fluorescent DNA-silver nanoclusters and G-quadruplex/hemin DNAzyme, this strategy improved the diversity and accuracy of analysis. It has been successfully applied to HPV DNA analysis in different real samples with excellent results, providing a universal strategy for various kinds of virus analysis.

TALANTA (2022)

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Article Materials Science, Multidisciplinary

Influence of silver ion release on the inactivation of antibiotic resistant bacteria using light-activated silver nanoparticles

Adeola Julian Sorinolu et al.

Summary: This study confirms the synergistic effect between silver nanoparticles (AgNPs) and photosensitizers (PSs) in the light-mediated oxidation process, and shows that polyethyleneimine (PEI) coated AgNPs can enhance antibacterial activity. The most effective material was found to be PpIX-AgNPs, achieving better inactivation of multidrug resistant bacteria.

MATERIALS ADVANCES (2022)

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Article Chemistry, Analytical

Modulating the Fluorescence of Silver Nanoclusters Wrapped in DNA Hairpin Loops via Confined Strand Displacement and Transient Concatenate Ligation for Amplifiable Biosensing

Jia-Yang He et al.

Summary: The fluorescence emission of DNA-scaffolded silver nanoclusters (AgNCs) can be modulated through confined strand displacement and transient concatenate ligation for amplifiable biosensing of a DNA segment related to SARS-CoV-2. A three-way DNA device (3WDD) is designed with three stem-loop structural hairpins and two linkers, where an orange-emitting AgNC (oAgNC) is stably clustered. The presence of the DNA segment initiates toehold-mediated strand displacement and repeatable recycling amplification, resulting in the opening of the oAgNC-hosted hairpin loops and significant fluorescence decay.

ANALYTICAL CHEMISTRY (2022)

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Review Chemistry, Multidisciplinary

Gold Nanoparticles: Can They Be the Next Magic Bullet for Multidrug-Resistant Bacteria?

Mohammad Okkeh et al.

Summary: Bacterial resistance is escalating, hindering pharma companies from investing in new antibiotic entities to combat the global challenge. Medical nanotechnology utilizing inorganic nanomaterials like gold and silver show potential antibacterial efficacies, with gold nanoparticles gaining specific attention due to their biocompatibility and optical properties.

NANOMATERIALS (2021)

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Article Chemistry, Physical

Structure and Formation of Luminescent Centers in Light-Up Ag Cluster-Based DNA Probes

Zakhar Reveguk et al.

Summary: Fluorescent beacons based on silver clusters present a new type of turn-on probe for DNA/RNA detection, with the fluorescence activation process involving interaction of Ag-DNA complexes and different DNA sequences. The activation of dark Ag clusters ultimately results from the reassembly of Ag clusters on a new dsDNA template formed upon hybridization with the target, offering a mechanism for designing new light-up DNA probes.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Nanoscience & Nanotechnology

Aptamer-Functionalized DNA-Silver Nanocluster Nanofilm for Visual Detection and Elimination of Bacteria

Min Yang et al.

Summary: The combination of DNA-AgNCs with bacterial aptamers has led to a novel approach for visual detection and effective elimination of bacteria. The capture of aptamers not only facilitates visual monitoring of bacteria but also enhances antibacterial effects. Additionally, a fluorescent nanofilm with excellent selectivity and antibacterial activity for detecting and eliminating S. aureus has been developed based on the DNA-AgNCs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Review Biochemistry & Molecular Biology

Silver Nanoparticles and Their Antibacterial Applications

Tamara Bruna et al.

Summary: Silver nanoparticles have excellent antimicrobial properties against a wide range of bacteria, including drug-resistant strains. Research on the synergistic effects of silver nanoparticles with other antibacterial agents for medical applications is ongoing to effectively treat or prevent infections.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2021)

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Article Biochemistry & Molecular Biology

DNA-Templated Fluorescent Silver Nanoclusters Inhibit Bacterial Growth While Being Non-Toxic to Mammalian Cells

Lewis Rolband et al.

Summary: This study combines atomically precise metal nanoclusters with nucleic acid nanotechnology to create DNA-templated silver nanoclusters with reproducible fluorescent properties and antibacterial activity. Additionally, the use of cytosine-rich single-stranded DNA oligonucleotides improves stability, modulates antibacterial properties, and enhances the quality of observed fluorescent signals of the silver nanoclusters. The research characterizes the sequence-specific fluorescence and composition of four representative DNA-AgNCs, compares their antibacterial effectiveness at different pH levels, and evaluates cytotoxicity to various mammalian cell lines.

MOLECULES (2021)

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Article Biochemistry & Molecular Biology

Inhibition of DNA replication initiation by silver nanoclusters

Yu Tao et al.

Summary: The study demonstrates that silver nanoclusters AgNCs can inhibit genomic DNA replication and disrupt the DNA replication checkpoint, but do not affect other cellular functions.

NUCLEIC ACIDS RESEARCH (2021)

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Article Nanoscience & Nanotechnology

Detection of carcinoembryonic antigen using a magnetoelastic nano-biosensor amplified with DNA-templated silver nanoclusters

Jingzhe Wang et al.

NANOTECHNOLOGY (2020)

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Recent advances in the bioanalytical and biomedical applications of DNA-templated silver nanoclusters

Jiaqi Xu et al.

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Delivery of antibacterial silver nanoclusters to Pseudomonas aeruginosa using species-specific DNA aptamers

Jennifer Soundy et al.

JOURNAL OF MEDICAL MICROBIOLOGY (2020)

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Article Materials Science, Multidisciplinary

Atomic structure and origin of chirality of DNA-stabilized silver clusters

Xi Chen et al.

PHYSICAL REVIEW MATERIALS (2020)

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DNA-Templated Synthesis of Fluorescent Silver Nanoclusters

Morgan Chandler et al.

JOURNAL OF CHEMICAL EDUCATION (2020)

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Micro RNA Sensing with Green Emitting Silver Nanoclusters

Liam E. Yourston et al.

MOLECULES (2020)

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Article Biochemistry & Molecular Biology

Spectroscopic Study onPseudomonas AeruginosaBiofilm in the Presence of the Aptamer-DNA Scaffolded Silver Nanoclusters

Bidisha Sengupta et al.

MOLECULES (2020)

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Article Chemistry, Multidisciplinary

Tuning properties of silver nanoclusters with RNA nanoring assemblies

Liam Yourston et al.

NANOSCALE (2020)

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Review Chemistry, Multidisciplinary

Silver nanoclusters: synthesis, structures and photoluminescence

Yun-Peng Xie et al.

MATERIALS CHEMISTRY FRONTIERS (2020)

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Review Toxicology

Silver nanoparticles: Electron transfer, reactive oxygen species, oxidative stress, beneficial and toxicological effects. Mini review

Lucia Z. Flores-Lopez et al.

JOURNAL OF APPLIED TOXICOLOGY (2019)

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Gold-Nanoparticle-Assisted Plasmonic Photothermal Therapy Advances Toward Clinical Application

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JOURNAL OF PHYSICAL CHEMISTRY C (2019)

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Article Biochemistry & Molecular Biology

Photothermal-Induced Antibacterial Activity of Gold Nanorods Loaded into Polymeric Hydrogel against Pseudomonas aeruginosa Biofilm

Amal G. Al-Bakri et al.

MOLECULES (2019)

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Article Nanoscience & Nanotechnology

Aptamer-Based Fluorescent Biosensing of Adenosine Triphosphate and Cytochrome c via Aggregation-Induced Emission Enhancement on Novel Label-Free DNA-Capped Silver Nanoclusters/Graphene Oxide Nanohybrids

Mojtaba Shamsipur et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Crystal structure of a NIR-Emitting DNA-Stabilized Ag16 Nanocluster

Cecilia Cerretani et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Physical

Collective Response in DNA-Stabilized Silver Cluster Assemblies from First-Principles Simulations

Polina G. Lisinetskaya et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

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Article Chemistry, Analytical

An aptamer-based fluorometric zearalenone assay using a lighting-up silver nanocluster probe and catalyzed by a hairpin assembly

Na Yin et al.

MICROCHIMICA ACTA (2019)

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Cationic-Polyelectrolyte-Modified Fluorescent DNA-Silver Nanoclusters with Enhanced Emission and Higher Stability for Rapid Bioimaging

Danya Lyu et al.

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Bactericidal and Cytotoxic Properties of Silver Nanoparticles

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Silver nanoparticles: aggregation behavior in biorelevant conditions and its impact on biological activity

Peter Belteky et al.

INTERNATIONAL JOURNAL OF NANOMEDICINE (2019)

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Atomic Structure of a Fluorescent Ag8 Cluster Templated by a Multistranded DNA Scaffold

Dustin J. E. Huard et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Limitations of Recent Studies Dealing with the Antibacterial Properties of Silver Nanoparticles: Fact and Opinion

Raphael E. Duval et al.

NANOMATERIALS (2019)

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The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster

Marta Gambucci et al.

Methods and Applications in Fluorescence (2019)

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Akash Gupta et al.

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Melamine-promoted formation of bright and stable DNA-silver nanoclusters and their antimicrobial properties

Hyunmin Eun et al.

JOURNAL OF MATERIALS CHEMISTRY B (2019)

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Silver-Based Plasmonic Nanoparticles for and Their Use in Biosensing

Alexis Loiseau et al.

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Non-Toxic and Ultra-Small Biosilver Nanoclusters Trigger Apoptotic Cell Death in Fluconazole-Resistant Candida albicans via Ras Signaling

Prateeksha et al.

BIOMOLECULES (2019)

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Complexes of DNA bases and Watson-Crick base pairs interaction with neutral silver Agn (n=8, 10, 12) clusters: a DFT and TDDFT study

Ruby Srivastava

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS (2018)

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Pharmaceutical aspects of silver nanoparticles

Prateek Mathur et al.

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Bactericidal Effects of Silver Nanoparticles on Lactobacilli and the Underlying Mechanism

Xin Tian et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Silver bullets: A new lustre on an old antimicrobial agent

Jasper S. Moehler et al.

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Discovery and development of new antibacterial drugs: learning from experience?

Nicole Jackson et al.

JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY (2018)

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How G-quadruplex topology and loop sequences affect optical properties of DNA-templated silver nanoclusters

Guangyu Tao et al.

NANO RESEARCH (2018)

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Synthesis of Branched DNA Scaffolded Super-Nanoclusters with Enhanced Antibacterial Performance

Lu Yang et al.

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Antibacterial Activity of Silver Nanoparticles: Structural Effects

Shaoheng Tang et al.

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Silver-Stabilized Guanine Duplex: Structural and Optical Properties

Xi Chen et al.

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Antimicrobial Silver in Medicinal and Consumer Applications: A Patent Review of the Past Decade (2007-2017)

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Energetics and Vibrational Signatures of Nucleobase Argyrophilic Interactions

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Nanotoxicity of Silver Nanoparticles on HEK293T Cells: A Combined Study Using Biomechanical and Biological Techniques

Xuefeng Jiang et al.

ACS OMEGA (2018)

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The role of tannic acid and sodium citrate in the synthesis of silver nanoparticles

Katarzyna Ranoszek-Soliwoda et al.

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First-Principles Study of Fluorescence in Silver Nanoclusters

Samuel L. Brown et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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A metallo-DNA nanowire with uninterrupted one-dimensional silver array

Jiro Kondo et al.

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Research Update: Density functional theory investigation of the interactions of silver nanoclusters with guanine

Brandon B. Dale et al.

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Silver-Mediated Double Helix: Structural Parameters for a Robust DNA Building Block

Xi Chen et al.

ACS OMEGA (2017)

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The optical properties of the silver clusters and their applications in the conformational studies of human telomeric DNA

Hung-Chi Hsu et al.

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A DNA Structure Containing AgI-Mediated G:G and C:C Base Pairs

Hehua Liu et al.

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Antibacterial Activity of DNA-Stabilized Silver Nanoclusters Tuned by Oligonucleotide Sequence

Siamak Javani et al.

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Antimicrobial Cluster Bombs: Silver Nanoclusters Packed with Daptomycin

Kaiyuan Zheng et al.

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Silver Nanoparticles: Synthesis, Characterization, Properties, Applications, and Therapeutic Approaches

Xi-Feng Zhang et al.

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Comparison of Canonical versus Silver(I)-Mediated Base-Pairing on Single Molecule Conductance in Polycytosine dsDNA

Emily Toomey et al.

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Disentangling the Photophysics of DNA-Stabilized Silver Nanocluster Emitters

Matias Berdakin et al.

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Ag-DNA Emitter: Metal Nanorod or Supramolecular Complex?

Ruslan R. Ramazanov et al.

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DNA-templated silver nanoclusters: structural correlation and fluorescence modulation

S. Y. New et al.

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Metabolomics of silver nanoparticles toxicity in HaCaT cells: structure-activity relationships and role of ionic silver and oxidative stress

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Gold Nanoparticles: An Efficient Antimicrobial Agent against Enteric Bacterial Human Pathogen

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Silver nanoparticles with different size and shape: equal cytotoxicity, but different antibacterial effects

J. Helmlinger et al.

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Engineered gold nanoparticles for photothermal cancer therapy and bacteria killing

Alireza Gharatape et al.

RSC ADVANCES (2016)

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Mechanism of pH-switchable peroxidase and catalase-like activities of gold, silver, platinum and palladium

Junnan Li et al.

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Jelliumatic Shell Model

Boon K. Teo et al.

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Use of bioreporters and deletion mutants reveals ionic silver and ROS to be equally important in silver nanotoxicity

Nimisha Joshi et al.

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Time-Dependent Density Functional Theory Investigation of the Electronic Structure and Chiroptical Properties of Curved and Helical Silver Nanowires

Natalia V. Karimova et al.

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The Role of Hydrogen Bonds in the Stabilization of Silver-Mediated Cytosine Tetramers

Leonardo Andres Espinosa Leal et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2015)

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Silver (I) as DNA glue: Ag+-mediated guanine pairing revealed by removing Watson-Crick constraints

Steven M. Swasey et al.

SCIENTIFIC REPORTS (2015)

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Article Materials Science, Biomaterials

A SiO2 NP-DNA/silver nanocluster sandwich structure-enhanced fluorescence polarization biosensor for amplified detection of hepatitis B virus DNA

Jia Chen et al.

JOURNAL OF MATERIALS CHEMISTRY B (2015)

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Article Chemistry, Physical

Magic Numbers in DNA-Stabilized Fluorescent Silver Clusters Lead to Magic Colors

Stacy M. Copp et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2014)

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Article Chemistry, Multidisciplinary

Size-controlled silver nanoparticles synthesized over the range 5-100 nm using the same protocol and their antibacterial efficacy

Shekhar Agnihotri et al.

RSC ADVANCES (2014)

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Article Chemistry, Multidisciplinary

Evidence for Rod-Shaped DNA-Stabilized Silver Nanocluster Emitters

Danielle Schultz et al.

ADVANCED MATERIALS (2013)

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Colorimetric Visualization of Glucose at the Submicromole Level in Serum by a Homogenous Silver Nanoprism-Glucose Oxidase System

Yunsheng Xia et al.

ANALYTICAL CHEMISTRY (2013)

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Review Chemistry, Multidisciplinary

Silver as Antibacterial Agent: Ion, Nanoparticle, and Metal

Svitlana Chernousova et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

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Article Chemistry, Physical

Excitation Spectra Argue for Threadlike Shape of DNA-Stabilized Silver Fluorescent Clusters

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Sensitive Detection of Silver Ions Based on Chiroplasmonic Assemblies of Nanoparticles

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Active Control of Silver Nanoparticles Spacing Using Dielectrophoresis for Surface-Enhanced Raman Scattering

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DNA Sensing by Amplifying the Number of Near-Infrared Emitting, Oligonucleotide-Encapsulated Silver Clusters

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The properties of small Ag clusters bound to DNA bases

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A DNA-Silver Nanocluster Probe That Fluoresces upon Hybridization

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Reversing the size-dependence of surface plasmon resonances

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Highly sensitive and selective tryptophan colorimetric sensor based on 4,4-bipyridine-functionalized silver nanoparticles

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Oligonucleotide-stabilized Ag nanoclusters as novel fluorescence probes for the highly selective and sensitive detection of the Hg2+ ion

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CHEMICAL COMMUNICATIONS (2009)

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Hairpins with Poly-C Loops Stabilize Four Types of Fluorescent Agn:DNA

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JOURNAL OF PHYSICAL CHEMISTRY C (2009)

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DNA Templates for Fluorescent Silver Clusters and I-Motif Folding

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JOURNAL OF PHYSICAL CHEMISTRY C (2009)

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Sequence-dependent fluorescence of DNA-hosted silver nanoclusters

Elisabeth G. Gwinn et al.

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Stimuli-responsive hydrogel-silver nanoparticles composite for development of localized surface plasmon resonance-based optical biosensor

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ANALYTICA CHIMICA ACTA (2008)

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Optical Properties of Shaped Silver Nanoparticles

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JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY (2008)

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Unique Cellular Interaction of Silver Nanoparticles: Size-Dependent Generation of Reactive Oxygen Species

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JOURNAL OF PHYSICAL CHEMISTRY B (2008)

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Colorimetric detection of pesticides based on calixarene modified silver nanoparticles in water

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Synthesis of unique nanostructures with novel optical properties using oligonucleotide mixed-metal nanoparticle conjugates

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Does the antibacterial activity of silver nanoparticles depend on the shape of the nanoparticle?: A study of the gram-negative bacterium Escherichia coli

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Size-dependent structural evolution and chemical reactivity of gold clusters

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Silver as biocides in burn and wound dressings and bacterial resistance to silver compounds

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JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY (2006)

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Review Nanoscience & Nanotechnology

Nanocrystalline silver dressings in wound management: a review

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INTERNATIONAL JOURNAL OF NANOMEDICINE (2006)

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The bactericidal effect of silver nanoparticles

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Synthesis and antibacterial properties of silver nanoparticles

C Baker et al.

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY (2005)

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Studying the size/shape separation and optical properties of silver nanoparticles by capillary electrophoresis

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JOURNAL OF CHROMATOGRAPHY A (2005)

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Oligonucleotide-displaced organic monolayer-protected silver nanoparticles and enhanced luminescence of their salted aggregates

J Zhang et al.

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Silver nanoparticles as antimicrobial agent:: a case study on E-coli as a model for Gram-negative bacteria

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