Ultralow-energy amorphization of contaminated silicon samples investigated by molecular dynamics

• Grégoire R. N. Defoort-Levkov,
• Alan Bahm and
• Patrick Philipp

Beilstein J. Nanotechnol. 2023, 14, 834–849, doi:10.3762/bjnano.14.68

• ]. TEM samples require a small thickness [13] to be electron transparent and are usually prepared through ion milling processes [14][15], which rely heavily on the precise ablation of materials to preserve the crystalline structure of the analyzed sample. These samples, usually shaped as lamellas, are

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

• Qixiong Lin,
• Yueyou Peng,
• Yanyan Wen,
• Xiaoqiong Li,
• Donglian Du,
• Weibin Dai,
• Wei Tian and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

• ]. The precisely targeted thermal killing of tumor tissue can help to improve the efficiency of energy utilization and reduce power and time during ablation, which will minimize damage to normal tissue around the tumor [95]. Photothermal therapy (PTT) can generate thermal energy by using near-infrared

• ., magnetic resonance imaging, heat production, magnetic manipulation, and enzyme mimics) [99]. Tumor ablation based on magnetothermy is safe for humans as the energy of the magnetic field is only absorbed by magnetic NPs and not by normal tissue [79]. However, magnetic NPs are prone to aggregation and

• oxidation, improve biocompatibility, enhance colloidal stability, and enhance targeting), enabling the ablation of tumor tissues by thermal energy [79]. MDA-MB-231 cell membrane-coated NPs loaded with superparamagnetic iron oxide nanoparticles (SPIONs) and PTX were designed for the combination treatment of

Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating

• Jessica Plé,
• Marine Dabert,
• Helene Lecoq,
• Sophie Hellé,
• Lydie Ploux and
• Lavinia Balan

Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11

• ] synthesized AgNPs on cotton fabrics using laser ablation, while Ahmad et al. [31] deposited AgNPs by the dip and dry method based on surface reduction reactions. However, the difference in expansion coefficients of the given metal layer and substrate can lead to surface defects under strain (cracks, loss of

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

• Yuran Wang,
• Xudong Li,
• Haijun Chen and
• Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

• development of Au- and BODIPY-grafted LNPs using a very simple and convenient method. PTT-induced direct anti-tumor effects through photothermal ablation or hyperthermia have been widely studied [28]. AuNPs are one of the most attractive PTAs for biomedical applications because of their biocompatibility and

Microneedle-based ocular drug delivery systems – recent advances and challenges

• Piotr Gadziński,
• Anna Froelich,
• Monika Wojtyłko,
• Antoni Białek,
• Julia Krysztofiak and
• Tomasz Osmałek

Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98

• cutting technique can be used to produce microneedles from metals or polymers. The main part of the process is cutting microneedles out of a plate with a laser and then bending them. The alignment of the tips can be achieved by electropolishing [149]. A similar technique is laser ablation. In this case

Fabrication and testing of polymer microneedles for transdermal drug delivery

• Vahid Ebrahiminejad,
• Zahra Faraji Rad,
• Philip D. Prewett and
• Graham J. Davies

Beilstein J. Nanotechnol. 2022, 13, 629–640, doi:10.3762/bjnano.13.55

• multistage fabrication processes with high production costs [7]. Similarly, laser ablation and lithography techniques are costly, requiring extended production time [8]. To overcome the current manufacturing limitations, MNs might be fabricated cost-effectively, with high precision and accuracy, using 3D

Photothermal ablation of murine melanomas by Fe₃O₄ nanoparticle clusters

• Xue Wang,
• Lili Xuan and
• Ying Pan

Beilstein J. Nanotechnol. 2022, 13, 255–264, doi:10.3762/bjnano.13.20

• . Photothermal ablation of tumor cells in vitro The dissolution behavior of our finely dispersed Fe3O4 NPCs was confirmed by DLS results (Figure 1d,e). Furthermore, the successful uptake of Fe3O4-based nanoparticles by A375 cells has been verified in our previous report [4]. Thus, to test the therapeutic effect

• , upregulation of HSP70 was specific to NPC-induced hyperthermia, because the HSP70 mRNA level was unchanged after NIR irradiation alone (Supporting Information File 1, Figure S1), albeit NIR itself elevated the solution temperature by 10 °C (Figure 2a). Photothermal ablation of tumor cells in vivo To test their

• increasing power densities. In vitro photothermal ablation of A375 cells. (a) Bright-field microscopy showing the health conditions of A375 cells treated with saline or increasing concentrations of NPCs, in the presence or absence of NIR irradiation. Cells were stained with Trypan blue dye to visualize dead

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

• in the synthesis procedures. The most common physical methods used to generate NPs are high-energy ball milling, laser ablation, electrospraying, inert gas condensation, PVD, laser pyrolysis, flash spray pyrolysis, and melt mixing [16]. Chemical methods are the traditional and most widely used

Self-assembly of amino acids toward functional biomaterials

• Huan Ren,
• Lifang Wu,
• Lina Tan,
• Yanni Bao,
• Yuchen Ma,
• Yong Jin and
• Qianli Zou

Beilstein J. Nanotechnol. 2021, 12, 1140–1150, doi:10.3762/bjnano.12.85

• tumor site 24 h after injection. In contrast, no significant fluorescence was observed in mice injected with unencapsulated Ce6 12 h after injection. In addition, metal nanoparticles induce an effective tumor ablation, while unencapsulated Ce6 only partially inhibits tumor growth. Curcumin is a

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

• Sepand Tehrani Fateh,
• Lida Moradi,
• Elmira Kohan,
• Michael R. Hamblin and
• Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

• findings suggested that cavitation is strongly dependent on the expansion, concentration, and size of the ADV-generated MBs close to the cellular membrane and also the cell–MB distance [119]. Acoustic droplet vaporization shows promise for spatial control and acceleration of the thermal ablation of cancer

• to improve the efficiency of HIFU by decreasing the acoustic energy required to cause heating and lesion formation. Xin et al. used pulsed-wave US and continuous-wave US heating to vaporize perfluoropentane (PFP) droplets for local thermal ablation [123]. They reported that different concentrations

• of PFP droplets. Therefore, a bubble-forming strategy may be useful in the clinical settings because the volume and morphology of the thermal ablation can be controlled by changes in both droplet concentration and acoustic pressure. This approach offers a new opportunity for the optimization of HIFU

Intracranial recording in patients with aphasia using nanomaterial-based flexible electronics: promises and challenges

• Qingchun Wang and
• Wai Ting Siok

Beilstein J. Nanotechnol. 2021, 12, 330–342, doi:10.3762/bjnano.12.27

• patients with language deficits. Among these patients, those with severe brain damage cannot complete behavioural tasks that are correlated with neuroimaging data. For epileptic patients, only a few will receive neurosurgical treatment that entails brain ablation and implantation with ECoG electrodes. Some

Doxorubicin-loaded gold nanorods: a multifunctional chemo-photothermal nanoplatform for cancer management

• Uzma Azeem Awan,
• Abida Raza,
• Shaukat Ali,
• Rida Fatima Saeed and
• Nosheen Akhtar

Beilstein J. Nanotechnol. 2021, 12, 295–303, doi:10.3762/bjnano.12.24

• exposure with 40 W/cm2 for 30 min generated heat on PEGylated GNRs necessary for photothermal ablation of MDA-MB-231 [38]. To minimize the thermotoxicity associated with laser exposure, in the current study, we used a low laser power density of 1.5 W/cm2, a shorter time of NIR irradiation (2 min), and a

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

• Sina Kaabipour and
• Shohreh Hemmati

Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9

• ” synthesis methods. Several physical methods for top-down synthesis of silver nanostructures including ball milling [105][106][107], laser ablation [108][109][110][111][112], evaporation–condensation [113][114], electromagnetic levitation gas condensation (ELGC) [115], ultrasonication [116][117][118][119

• time [129][131]. However, the size distribution is large [129][132][133], and the NPs produced have a fairly large size distribution compared to NPs produced by chemical methods. 2.1.4 Laser ablation process. A promising physical synthesis method used widely in recent years is laser ablation. This

• ablation depends on the thermal and optical properties of the utilized metal and the surrounding ambient conditions [228][229]. Despite its significant advantages, laser ablation presents some disadvantages that limit their use. In general, this method does not have high productivity and the utilization of

High-responsivity hybrid α-Ag₂S/Si photodetector prepared by pulsed laser ablation in liquid

• Raid A. Ismail,
• Hanan A. Rawdhan and
• Duha S. Ahmed

Beilstein J. Nanotechnol. 2020, 11, 1596–1607, doi:10.3762/bjnano.11.142

• Raid A. Ismail Hanan A. Rawdhan Duha S. Ahmed Department of Applied Science, University of Technology, Baghdad, Iraq 10.3762/bjnano.11.142 Abstract We report the synthesis of α-Ag2S nanoparticles (NPs) by one-step laser ablation of a silver target in aqueous solution of thiourea (Tu, CH4N2S

• . Keywords: cetyltrimethylammonium bromide (CTAB); laser ablation; monodisperse; photodetector; silver(I) sulfide (Ag2S); thiourea; Introduction Nanomaterials have attracted considerable attention due to their superior chemical and physical properties. The size-dependent properties of nanomaterials have

• hydrothermal methods, chemical bath deposition, laser ablation in liquid reverse microemulsion, electrospinning, sol–gel, electrochemical method, template method, sonochemical method, and hydrochemical bath deposition [10][11][12][13]. The size of Ag2S NPs depends on the preparation conditions [14]. Ag2S NPs

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

• subsections. Physical methods Examples of physical methods used to synthesize NPs are the evaporation/condensation method, magnetron sputtering, mechanochemical processing (MCP), microwave-thermal method, photoreduction process, and pulsed laser ablation, among others. The evaporation/condensation method

• irradiation time. For example, while Tan et al. [31] obtained spherical silver nanoparticles, Zhou et al. [32] obtained plate-like triangles. Another method used is the pulsed laser ablation technique which is used to synthesize colloidal solutions of Ag [33], Au [34], MgO [35], and ZnO [36] NPs, among others

One-step synthesis of carbon-supported electrocatalysts

• Sebastian Tigges,
• Nicolas Wöhrl,
• Ivan Radev,
• Ulrich Hagemann,
• Markus Heidelmann,
• Thai Binh Nguyen,
• Stanislav Gorelkov,
• Stephan Schulz and
• Axel Lorke

Beilstein J. Nanotechnol. 2020, 11, 1419–1431, doi:10.3762/bjnano.11.126

• techniques [11] and laser ablation [12]) are surfactant-free and scalable. However, these approaches typically require multiple-step procedures in which the support and catalytic nanoparticles (NPs) are first produced individually and then combined in a third step (i.e., NP sedimentation in liquid phase [13

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

• , nanoparticle-based surfaces and nanocomposite materials to bacteria and biofilm ablation. This is a relatively recent approach and that could be applied as a promising alternative to existing antibacterial treatments. The state-of-the art and future perspectives are highlighted here. Review Photothermally

• less dependent on their size, shape and surrounding environment [35][40]. The photothermally active nanoparticles have vast potential for application in nanomedicine and biotechnology. The most important examples of their application are: hyperthermic cancer cell ablation and photothermally induced

• drug release [41][42], in addition to new quantitative tools for biochemical analysis [43] and photothermally induced cell stimulation [44][45]. Since bacteria and biofilm photothermal ablation is another promising application that is currently being widely investigated, this review will highlight the

Applications of superparamagnetic iron oxide nanoparticles in drug and therapeutic delivery, and biotechnological advancements

• Maria Suciu,
• Corina M. Ionescu,
• Alexandra Ciorita,
• Septimiu C. Tripon,
• Dragos Nica,
• Hani Al-Salami and
• Lucian Barbu-Tudoran

Beilstein J. Nanotechnol. 2020, 11, 1092–1109, doi:10.3762/bjnano.11.94

• standard cancer treatments. When used in combination with chemotherapy, radiotherapy or radiofrequency ablation, or photothermal therapy, the final outcome of the combined therapy would be more beneficial to the patient, although in clinical practice, physicians are reluctant to use these methods [136][153

Microwave-induced electric discharges on metal particles for the synthesis of inorganic nanomaterials under solvent-free conditions

• Vijay Tripathi,
• Harit Kumar,
• Anubhav Agarwal and
• Leela S. Panchakarla

Beilstein J. Nanotechnol. 2020, 11, 1019–1025, doi:10.3762/bjnano.11.86

• microscopy; Introduction The synthesis of nanomaterials in short time intervals with fewer chemicals has become increasingly important in materials science. Traditional routes of synthesizing nanomaterials, including sol–gel synthesis, solvothermal synthesis, arc-discharge synthesis, or laser ablation

Soybean-derived blue photoluminescent carbon dots

• Shanshan Wang,
• Wei Sun,
• Dong-sheng Yang and
• Fuqian Yang

Beilstein J. Nanotechnol. 2020, 11, 606–619, doi:10.3762/bjnano.11.48

• residuals to synthesize carbon nanoparticles by hydrothermal carbonization (HTC), annealing at high temperature, and laser ablation (LA) in a NH4OH solution. The carbon nanoparticles synthesized with the HTC process (HTC-CDs) exhibit photoluminescent characteristics with strong blue emission. The annealing

• to introduce N-surface-functional groups to carbon nanoparticles made from biomass and biowaste and to produce stable photoluminescent CDs with excellent water-wettability. Keywords: biomass; carbon dots; hydrothermal process; laser ablation; N-doping; photoluminescence; Introduction Carbon-based

• synthesizing CDs, including oxidation and reduction [13][14][15], laser ablation [16], microwave irradiation [9], pyrolysis [17], and hydrothermal treatment [18]. Some of these methods are tedious and time consuming and use strong acids and/or surface treatment to improve their water solubility and

Formation of metal/semiconductor Cu–Si composite nanostructures

• Natalya V. Yumozhapova,
• Andrey V. Nomoev,
• Vyacheslav V. Syzrantsev and
• Erzhena C. Khartaeva

Beilstein J. Nanotechnol. 2019, 10, 2497–2504, doi:10.3762/bjnano.10.240

• they are immiscible in the bulk state. In addition to chemical techniques [9][10][11][12], physical methods such as gas-phase methods [5][6][15], laser ablation [7][8][16], and magnetron-sputter gas-phase condensation [17] have been developed. When these methods are combined with the possibility of

• core–shell nanoparticles upon the condensation of silicon atoms onto the core when a copper nanocluster is introduced into a gaseous medium consisting of silicon atoms. In [22], similar particles were obtained by laser ablation of Au nanoparticles onto larger Co-oxide particles and agglomeration with a

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe₂O₄/silica/cisplatin nanocomposite formulation

• B. Rabindran Jermy,
• Vijaya Ravinayagam,
• Widyan A. Alamoudi,
• Dana Almohazey,
• Hatim Dafalla,
• Lina Hussain Allehaibi,
• Abdulhadi Baykal,
• Muhammet S. Toprak and
• Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

• (magnetic resonance imaging), tissue repair, and thermal ablation have been gaining considerable attention in recent years. In particular, the use of superparamagnetic iron oxide nanoparticles (SPIONs) is now advantageous as they are FDA-approved for clinical use [2]. Magnetic Fe3O4-based mesoporous silica

Microbubbles decorated with dendronized magnetic nanoparticles for biomedical imaging: effective stabilization via fluorous interactions

• Da Shi,
• Justine Wallyn,
• Dinh-Vu Nguyen,
• Francis Perton,
• Delphine Felder-Flesch,
• Sylvie Bégin-Colin,
• Mounir Maaloum and
• Marie Pierre Krafft

Beilstein J. Nanotechnol. 2019, 10, 2103–2115, doi:10.3762/bjnano.10.205

• , micrometer-sized gas particles dispersed in an aqueous medium, are clinically used as contrast agents for ultrasound imaging, including molecular imaging, and actively investigated for surgical ablation, targeted drug and gene delivery [1][2][3][4][5][6][7][8][9][10]. They are also being examined for use, in

• signal for energy deposition, as is required for sonothrombolysis or ablation surgery. MBs incorporating iron oxide nanoparticles (IONPs) are sought after as dual contrast agents for ultrasound and magnetic resonance imaging [18][19][20] and drug delivery [21][22]. The shells of the presently available

Nanostructured and oriented metal–organic framework films enabling extreme surface wetting properties

• Andre Mähringer,
• Julian M. Rotter and
• Dana D. Medina

Beilstein J. Nanotechnol. 2019, 10, 1994–2003, doi:10.3762/bjnano.10.196

• example, sol–gel synthesis, electrochemical deposition, anodization, electrochemical polymerization, electrospinning, plasma treatment, chemical or hydrothermal methods, vapor deposition, layer-by-layer assembly or laser ablation [19][27][28][29][30][31][32][33][34][35][36][37][38][39]. However, the

Pulsed laser synthesis of highly active Ag–Rh and Ag–Pt antenna–reactor-type plasmonic catalysts

• Kenneth A. Kane and
• Massimo F. Bertino

Beilstein J. Nanotechnol. 2019, 10, 1958–1963, doi:10.3762/bjnano.10.192

• Kenneth A. Kane Massimo F. Bertino Department of Physics, Virginia Commonwealth University, Richmond, Virginia, 23220, USA 10.3762/bjnano.10.192 Abstract Ag, Pt, and Rh monometallic colloids were produced via laser ablation. Separate Ag–Rh and Ag–Pt heterostructures were formed by mixing and

• –reactor; catalysis; heterostructures; laser ablation; multicomponent; nanoparticles; 4-nitrophenol; plasmonic; Pt; Rh; Introduction Metal nanoparticles can interact with visible light through an excitation of the localized surface plasmon resonance (LSPR). The LSPR is a resonant, collective oscillation

• a “forced plasmon” that efficiently generates hot charge carriers, transforming the catalytic NP into a photocatalytic NP. Here, the facile synthesis of highly active Ag–Rh and Ag–Pt heterostructures for the reduction of 4-nitrophenol through pulsed laser ablation is reported. The synthesis method