Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

• Matías Guerrero Correa,
• Fernanda B. Martínez,
• Cristian Patiño Vidal,
• Camilo Streitt,
• Juan Escrig and
• Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

• attracted research interest [3][4]. Although several solutions have been proposed, microorganism incidence will continue to increase and will remain a complicated challenge to overcome. Due to the reoccurrence of infections, microorganisms have become resistant to antibiotics as a result of inherent genetic

• ]. With the advance of nanotechnology, the number of antibiotic-resistant bacteria has also increased, including strains that are resistant to more than 100 different types of antibiotics [75]. This problem, in addition to the environmental concerns, has inspired many researchers to develop ecologically

• photocatalytic, electrochemical, and catalytic properties. Furthermore, NiO NPs exhibit anti-inflammatory properties, generating interest in the biomedical field to use these NPs as antibiotics or in cancer treatments [116][133]. NiO NPs synthesized from Eucalyptus globulus leaf extract showed excellent

Photothermally active nanoparticles as a promising tool for eliminating bacteria and biofilms

• Mykola Borzenkov,
• Piersandro Pallavicini,
• Angelo Taglietti,
• Laura D’Alfonso,
• Maddalena Collini and
• Giuseppe Chirico

Beilstein J. Nanotechnol. 2020, 11, 1134–1146, doi:10.3762/bjnano.11.98

• aggregates protected by self-generated extracellular polymeric substances [1][4]. Biofilms are resistant to mechanical abrasion and drug treatments, including antibiotics. The detachment of a single bacterial cell or biofilm fragments can result in systemic chronic infections [5]. As a consequence, when a

Gram-scale synthesis of splat-shaped Ag–TiO₂ nanocomposites for enhanced antimicrobial properties

• Mohammad Jaber,
• Asim Mushtaq,
• Kebiao Zhang,
• Jindan Wu,
• Dandan Luo,
• Zihan Yi,
• M. Zubair Iqbal and
• Xiangdong Kong

Beilstein J. Nanotechnol. 2020, 11, 1119–1125, doi:10.3762/bjnano.11.96

• Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou 310018, China 10.3762/bjnano.11.96 Abstract The control over contagious diseases caused by pathogenic organisms has become a serious health issue. The extensive usage of antibiotics has led to the development of

• based on polymers and layer-by-layer coating to prevent pathogenic bacteria. Antibacterial agents, such as antibiotics, quaternary ammonium compounds and metal ions have been widely used. However, the extensive use of antibiotics against some bacteria might increase the bacterial resistance to these

• antibiotics, leading to environmental toxicity and damage of target organs in the human body [1]. Also, these materials rapidly dissolve in the human body creating numerous clinical risks [2][3]. In spite of the desirable antibacterial properties, the traditional quaternary ammonium salts (QASs) and the

A few-layer graphene/chlorin e6 hybrid nanomaterial and its application in photodynamic therapy against Candida albicans

• Selene Acosta,
• Carlos Moreno-Aguilar,
• Dania Hernández-Sánchez,
• Beatriz Morales-Cruzado,
• Erick Sarmiento-Gomez,
• Carla Bittencourt,
• Luis Octavio Sánchez-Vargas and
• Mildred Quintana

Beilstein J. Nanotechnol. 2020, 11, 1054–1061, doi:10.3762/bjnano.11.90

• Ciencias, Universidad Autónoma de San Luis Potosí, México 10.3762/bjnano.11.90 Abstract The global emergence of multidrug resistance of fungal infections and the decline in the discovery of new antibiotics are increasingly prevalent causes of hospital-acquired infections, among other major challenges in

• the global health care sector. There is an urgent need to develop noninvasive, nontoxic, and new antinosocomial approaches that work more effectively and faster than current antibiotics. In this work, we report on a biocompatible hybrid nanomaterial composed of few-layer graphene and chlorin e6 (FLG

• ]. Among the reasons behind the increase of incidences of fungal infections are the indiscriminate use of antineoplastic and immunosuppressive drugs, the unnecessary use of broad-spectrum antibiotics, the growing application of prosthetic devices, and the increased number of invasive surgeries [2][3]. The

Multilayer capsules made of weak polyelectrolytes: a review on the preparation, functionalization and applications in drug delivery

• Varsha Sharma and
• Anandhakumar Sundaramurthy

Beilstein J. Nanotechnol. 2020, 11, 508–532, doi:10.3762/bjnano.11.41

Brome mosaic virus-like particles as siRNA nanocarriers for biomedical purposes

• Alfredo Nuñez-Rivera,
• Pierrick G. J. Fournier,
• Danna L. Arellano,
• Ana G. Rodriguez-Hernandez,
• Rafael Vazquez-Duhalt and
• Ruben D. Cadena-Nava

Beilstein J. Nanotechnol. 2020, 11, 372–382, doi:10.3762/bjnano.11.28

• ). The medium for MCF-7 cells was also supplemented with recombinant human insulin (0.01 mg/mL; Sigma-Aldrich) and the medium of the RAW-Blue cells with 100 µg/mL of Normocin and 200 µg/mL of Zeocin antibiotics (InvivoGen). Cells were maintained at 37 °C in a humidified incubator with 5% CO2. Virus cell

Porous silver-coated pNIPAM-co-AAc hydrogel nanocapsules

• William W. Bryan,
• Riddhiman Medhi,
• Maria D. Marquez,
• Supparesk Rittikulsittichai,
• Michael Tran and
• T. Randall Lee

Beilstein J. Nanotechnol. 2019, 10, 1973–1982, doi:10.3762/bjnano.10.194

• various core materials [21][22][23][24]. Recent studies involving spherical capsules have introduced a variety of materials into the core such as DNA, antibiotics, fluorescent dyes, and metal nanoparticles [25][26][27][28][29][30]. These types of particles show great promise for applications such as drug

Novel hollow titanium dioxide nanospheres with antimicrobial activity against resistant bacteria

• Carol López de Dicastillo,
• Cristian Patiño,
• María José Galotto,
• Yesseny Vásquez-Martínez,
• Claudia Torrent,
• Daniela Alburquenque,
• Alejandro Pereira and
• Juan Escrig

Beilstein J. Nanotechnol. 2019, 10, 1716–1725, doi:10.3762/bjnano.10.167

• , such as reduced cell permeability, target overproduction and protection [47]. As Table 1 shows, the concentration of the strongest antibiotics commonly used against these bacteria were in the range of 25–150 µg mL−1. In general, CSTiO2 exhibited higher antibacterial capacity against Gram-negative

pH-mediated control over the mesostructure of ordered mesoporous materials templated by polyion complex micelles

• Emilie Molina,
• Mélody Mathonnat,
• Jason Richard,
• Patrick Lacroix-Desmazes,
• Martin In,
• Philippe Dieudonné,
• Thomas Cacciaguerra,
• Corine Gérardin and
• Nathalie Marcotte

Beilstein J. Nanotechnol. 2019, 10, 144–156, doi:10.3762/bjnano.10.14

• -PAA) or poly(ethylene oxide)-b-poly(methacrylic acid) (PEO-b-PMAA) copolymers, are able to form polyion complex (PIC) micelles upon interaction with weak polybases such as oligochitosan (OC) [25], poly-L-lysine (PLL) [26][27] and aminoglycoside antibiotics [28]. PIC micelles present a core–corona

Non-agglomerated silicon–organic nanoparticles and their nanocomplexes with oligonucleotides: synthesis and properties

• Asya S. Levina,
• Marina N. Repkova,
• Nadezhda V. Shikina,
• Zinfer R. Ismagilov,
• Svetlana A. Yashnik,
• Dmitrii V. Semenov,
• Yulia I. Savinovskaya,
• Natalia A. Mazurkova,
• Inna A. Pyshnaya and
• Valentina F. Zarytova

Beilstein J. Nanotechnol. 2018, 9, 2516–2525, doi:10.3762/bjnano.9.234

• -glutamine (Sigma-Aldrich, USA); RPMI-1640 medium; antibiotics (BioloT, Russia); fetal calf serum (Gibco, USA). Сhicken erythrocytes, MDCK cells, and influenza A virus strain A/chicken/Kurgan/05/2005 (H5N1) were from FBRI Vector, Russia. Trypsin (1 mg/mL) and penicillin-streptomycin (100 U/mL) were stored at

Nanocellulose: Recent advances and its prospects in environmental remediation

• Katrina Pui Yee Shak,
• Yean Ling Pang and
• Shee Keat Mah

Beilstein J. Nanotechnol. 2018, 9, 2479–2498, doi:10.3762/bjnano.9.232

• an adsorbent of residual antibiotics which are commonly found in industrial discharge, aquaculture, and effluent with medicinal residues. By converting cellulose to nanocellulose, the surface area increases exponentially along with its crystalline nature and the number of surface hydroxy groups (–OH

Hierarchical heterostructures of Bi₂MoO₆ microflowers decorated with Ag₂CO₃ nanoparticles for efficient visible-light-driven photocatalytic removal of toxic pollutants

• Shijie Li,
• Wei Jiang,
• Shiwei Hu,
• Yu Liu,
• Yanping Liu,
• Kaibing Xu and
• Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 2297–2305, doi:10.3762/bjnano.9.214

• candidate for wastewater treatment. Keywords: antibiotic removal; Bi2MoO6; heterojunction; silver carbonate (Ag2CO3); Introduction Industrial pollutants, such as industrial dyes and antibiotics, in wastewaters pose a huge threat to the environment [1][2]. Thus, many methods for pollutant removal have been

Fabrication of photothermally active poly(vinyl alcohol) films with gold nanostars for antibacterial applications

• Mykola Borzenkov,
• Maria Moros,
• Claudia Tortiglione,
• Serena Bertoldi,
• Nicola Contessi,
• Silvia Faré,
• Angelo Taglietti,
• Agnese D’Agostino,
• Piersandro Pallavicini,
• Maddalena Collini and
• Giuseppe Chirico

Beilstein J. Nanotechnol. 2018, 9, 2040–2048, doi:10.3762/bjnano.9.193

• studies have reported the preparation and the antibacterial efficacy of PVA films containing plant extracts, silver nanoparticles or zinc oxide nanoparticles [17][18][19][20][21][22]. However, when bacteria start to form biofilms they become resistant and conventional antibiotics do not eradicate biofilms

Biomimetic and biodegradable cellulose acetate scaffolds loaded with dexamethasone for bone implants

• Aikaterini-Rafailia Tsiapla,
• Varvara Karagkiozaki,
• Veroniki Bakola,
• Foteini Pappa,
• Panagiota Gkertsiou,
• Eleni Pavlidou and
• Stergios Logothetidis

Beilstein J. Nanotechnol. 2018, 9, 1986–1994, doi:10.3762/bjnano.9.189

• -Aldrich, Germany. N,N-Dimethylacetamide was obtained from Chem-Lab NV, Belgium. In MTT assay the cells used in this study were mice fibroblasts (L929) and phosphate-buffered saline (PBS), Dulbecco’s Modifies Eagle Medium (DMEM), 10% fetal bovine serum (FBS) and antibiotics were obtained from Gibco® Cell

Nanoparticle delivery to metastatic breast cancer cells by nanoengineered mesenchymal stem cells

• Liga Saulite,
• Karlis Pleiko,
• Ineta Popena,
• Dominyka Dapkute,
• Ricardas Rotomskis and
• Una Riekstina

Beilstein J. Nanotechnol. 2018, 9, 321–332, doi:10.3762/bjnano.9.32

• Committee, University of Latvia (issued 04.06.2014) as described previously [24]. The cells were propagated in the medium Dulbecco’s modified Eagle’s medium/nutrient mixture F-12 (DMEM/F12) (3:1 v/v) supplemented with 10% of fetal bovine serum (FBS) and antibiotics (100 U/mL penicillin, 100 μg/mL

Bi-layer sandwich film for antibacterial catheters

• Gerhard Franz,
• Florian Schamberger,
• Hamideh Heidari Zare,
• Sara Felicitas Bröskamp and
• Dieter Jocham

Beilstein J. Nanotechnol. 2017, 8, 1982–2001, doi:10.3762/bjnano.8.199

• bacteria have developed antibiotic resistance against several antibiotics, but not against silver, he also emphasized that silver is also known for its oligodynamic impact, because it can interact with a bacterium in a versatile way. In 2003, however, it was communicated by Silver et al. that they had

• against antibiotics, a tunable release rate of the agent, the deposition of layers with uniform thickness on both sides of the catheter, especially on the interior. In this paper, the most important steps of the fabrication of urethral catheters with an antibacterial coating are addressed and described

Methionine-mediated synthesis of magnetic nanoparticles and functionalization with gold quantum dots for theranostic applications

• Arūnas Jagminas,
• Agnė Mikalauskaitė,
• Vitalijus Karabanovas and
• Jūrate Vaičiūnienė

Beilstein J. Nanotechnol. 2017, 8, 1734–1741, doi:10.3762/bjnano.8.174

• Biocompatible superparamagnetic iron oxide nanoparticles (NPs) through smart chemical functionalization of their surface with fluorescent species, therapeutic proteins, antibiotics, and aptamers offer remarkable potential for diagnosis and therapy of disease sites at their initial stage of growth. Such NPs can

Nano-engineered skin mesenchymal stem cells: potential vehicles for tumour-targeted quantum-dot delivery

• Liga Saulite,
• Dominyka Dapkute,
• Karlis Pleiko,
• Ineta Popena,
• Simona Steponkiene,
• Ricardas Rotomskis and
• Una Riekstina

Beilstein J. Nanotechnol. 2017, 8, 1218–1230, doi:10.3762/bjnano.8.123

• min at 37 °C, then dissociated by vigorous pipetting and passed through a 70 μm cell strainer, followed by centrifugation at 400g for 5 min. The pellets were suspended in cultivation medium containing DMEM/F12 (3:1 v/v) supplemented with 10% of FBS and antibiotics (100 U/mL penicillin, 100 μg/mL

Facile fabrication of luminescent organic dots by thermolysis of citric acid in urea melt, and their use for cell staining and polyelectrolyte microcapsule labelling

• Nadezhda M. Zholobak,
• Anton L. Popov,
• Alexander B. Shcherbakov,
• Nelly R. Popova,
• Mykhailo M. Guzyk,
• Valeriy P. Antonovich,
• Alla V. Yegorova,
• Yuliya V. Scrypynets,
• Inna I. Leonenko,
• Alexander Ye. Baranchikov and
• Vladimir K. Ivanov

Beilstein J. Nanotechnol. 2016, 7, 1905–1917, doi:10.3762/bjnano.7.182

• two cell lines. MNNG/HOS human osteosarcoma cells and RAW 264.7 murine macrophages were cultured as monolayers in a minimal essential medium supplemented with 10% fetal bovine serum and antibiotics (100 U/mL penicillin/streptomycin). All culture medium components were purchased from PanEco (PanEco

Chitosan-based nanoparticles for improved anticancer efficacy and bioavailability of mifepristone

• Huijuan Zhang,
• Fuqiang Wu,
• Yazhen Li,
• Xiping Yang,
• Jiamei Huang,
• Tingting Lv,
• Yingying Zhang,
• Jianzhong Chen,
• Haijun Chen,
• Yu Gao,
• Guannan Liu and
• Lee Jia

Beilstein J. Nanotechnol. 2016, 7, 1861–1870, doi:10.3762/bjnano.7.178

• , Dulbeccos Modified Eagle Medium (DMEM), McCoy's 5A medium, antibiotics, and fetal bovine serum (FBS) were purchased from Life Technologies GmbH (Darmstadt, Germany). 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) was obtained from Sigma-Aldrich. Mifepriston (MIF) with the purity > 98

Development of adsorptive membranes by confinement of activated biochar into electrospun nanofibers

• Mehrdad Taheran,
• Mitra Naghdi,
• Satinder K. Brar,
• Emile Knystautas,
• Mausam Verma,
• Rao. Y. Surampalli and
• Jose. R. Valero

Beilstein J. Nanotechnol. 2016, 7, 1556–1563, doi:10.3762/bjnano.7.149

• metals and organic contaminants from water. Recently, increasing concentrations of pharmaceutically active compounds, especially antibiotics, such as chlortetracycline in water and wastewater sources has raised concerns about their potentially adverse impacts on environment and human health. In this

High antiviral effect of TiO₂·PL–DNA nanocomposites targeted to conservative regions of (−)RNA and (+)RNA of influenza A virus in cell culture

• Asya S. Levina,
• Marina N. Repkova,
• Elena V. Bessudnova,
• Ekaterina I. Filippova,
• Natalia A. Mazurkova and
• Valentina F. Zarytova

Beilstein J. Nanotechnol. 2016, 7, 1166–1173, doi:10.3762/bjnano.7.108

• : RPMI-1640 medium; antibiotics (BioloT, Russia); trypsin, L-glutamine; PBS buffer (Sigma, USA); and fetal calf serum (Gibco, USA). TiO2 nanoparticles were synthesized in the crystal form (anatase) as described in [17]. Сhicken erythrocytes, MDCK cells, and influenza A virus strains Aichi/2/68 (H3N2), A

Reconstitution of the membrane protein OmpF into biomimetic block copolymer–phospholipid hybrid membranes

• Matthias Bieligmeyer,
• Franjo Artukovic,
• Stephan Nussberger,
• Thomas Hirth,
• Thomas Schiestel and
• Michaela Müller

Beilstein J. Nanotechnol. 2016, 7, 881–892, doi:10.3762/bjnano.7.80

• high potential in technical applications, for example the desalination of water using aquaporins or the controlled release of antibiotics from OmpF-functionalized nanoreactors [11][12][13][14][15]. Although the chemical and physical properties of natural phospholipid bilayers are optimized for the

Antibacterial activity of silver nanoparticles obtained by pulsed laser ablation in pure water and in chloride solution

• Brunella Perito,
• Emilia Giorgetti,
• Paolo Marsili and
• Maurizio Muniz-Miranda

Beilstein J. Nanotechnol. 2016, 7, 465–473, doi:10.3762/bjnano.7.40

• antibiotics [19]. AgNPs have been synthesized by following various physical, chemical and biological pathways [22][23]. Their microscopic, physical and chemical properties have been found to be closely related to the experimental preparation procedures, the interaction of metal ions with reducing agents, as

Ultrastructural changes in methicillin-resistant Staphylococcus aureus induced by positively charged silver nanoparticles

• Dulce G. Romero-Urbina,
• Humberto H. Lara,
• J. Jesús Velázquez-Salazar,
• M. Josefina Arellano-Jiménez,
• Eduardo Larios,
• Anand Srinivasan,
• Jose L. Lopez-Ribot and
• Miguel José Yacamán

Beilstein J. Nanotechnol. 2015, 6, 2396–2405, doi:10.3762/bjnano.6.246

• resistance against almost all antibiotics [3]. As penicillin and other β-lactams were previously very efficient antibiotics in treating staphylococcal infections, the prevalent resistance of methicillin-resistant Staphylococcus aureus (MRSA) has made therapy continuously more complex [4]. S. aureus has also

• become resistant to antibiotics of last resort, including vancomycin [5], daptomycin [6], and linezolid [7]. β-Lactam antibiotics target the synthesis of peptidoglycan (PG), a cell wall polymer that renders structural strength and counteracts the osmotic pressure of the cytoplasm, known as turgor

• pressure. MRSA is resistant to all ß-lactam antibiotics due to its production of an extra penicillin-binding protein (PBP2a) [8]. With scarce management options for MRSA, there is a pressing necessity for the development of novel bactericides [9]. S. aureus is capable of causing chronic bone and joint