Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

• examples of nanoparticle synthesis by laser ablation were discussed [7]. They have clearly depicted how the properties of the nanoparticles (NPs) depend strongly on size, shape, and size uniformity. Pulsed laser ablation in liquids (PLAL) is a promising method for producing pristine and supported materials

• exploration of the nanoparticle formation mechanism. These advanced analytical methods offer higher temporal and spatial resolutions compared to conventional techniques [22][23][24][25]. A recent review by Byram et al. [11] highlights the significant advancements made in PLAL over the past decade using laser

• potential in applications like catalysis. This technique has become a valuable addition to the toolbox of nanoparticle synthesis, offering enhanced precision and scalability for advanced materials and applications [6][29][30]. The synthesis of lead telluride (PbTe) NPs was successfully performed through

Photochemical synthesis of silver nanoprisms via green LED irradiation and evaluation of SERS activity

• Tuan Anh Mai-Ngoc,
• Nhi Kieu Vo,
• Cong Danh Nguyen,
• Thi Kim Xuan Nguyen and
• Thanh Sinh Do

Beilstein J. Nanotechnol. 2025, 16, 1417–1427, doi:10.3762/bjnano.16.103

• candidates for surface-enhanced Raman scattering (SERS) due to their strong localized surface plasmon resonance and sharp tip geometry. In this study, AgNPrs were synthesized through a photochemical method by irradiating spherical silver nanoparticle seeds with 10 W green light-emitting diodes (LEDs; 520

• began to emerge at approximately 650 nm. This shoulder became more prominent after 24 h, shifting slightly to 662 nm. The appearance of this absorption feature indicated the onset of anisotropic nanoparticle formation, such as silver nanoprisms [4][5][6][7]. After 48 h of LED irradiation, the IPD peak

• experimental conditions, small spherical silver nanoparticle seeds had been almost completely converted into silver nanoprisms. Unlike conventional chemical synthesis methods, the photochemical LED-based approach does not produce fragmented or etched structures, resulting in well-formed AgNPrs. Additionally

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

• Tuan Minh Truong Dang,
• Thao Thu Thi Huynh,
• Guo-Ping Chang-Chien and
• Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

• expanded (2022–2024) to encompass agricultural runoff assessments and urease enzyme activity in agricultural soils. Microplastics: “Biochar” remains the most central keyword, reinforcing its critical role in addressing MP contamination. From 2022 to 2024, the singular emergence of “nanoparticle” suggests a

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

• Lei Wang,
• Shizhe Li,
• Kexin Xu,
• Wenjun Li,
• Ying Li and
• Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

• and Bruening have reported that Ag nanoparticle-containing films have the same antibacterial effect as films containing Ag ions [49]. The nanoparticle-containing films may be much better because they minimize the amount of Ag ions absorbed in the body. The present work confirms the good antibacterial

Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems

• Alejandro Llamedo,
• Marina Cano,
• Raquel G. Soengas and
• Francisco J. García-Alonso

Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98

• delivery mechanism are broadly categorized into passive and active targeting [38]. Passive targeting is controlled by size, charge, and composition of the nanoparticle, which influences the localization, cell penetration, and release of the drug as physicochemical features of pathogenic tissues facilitate

• encapsulation in SLNs include high-pressure homogenization and microemulsion techniques. In these processes, drugs are incorporated in the melted lipid before nanoparticle formation, leading to high entrapment efficiency within the solidified lipid matrix, whereas hydrophilic drugs may be partitioned at the

Ferroptosis induction by engineered liposomes for enhanced tumor therapy

• Alireza Ghasempour,
• Mohammad Amin Tokallou,
• Mohammad Reza Naderi Allaf,
• Mohsen Moradi,
• Hamideh Dehghan,
• Mahsa Sedighi,
• Mohammad-Ali Shahbazi and
• Fahimeh Lavi Arab

Beilstein J. Nanotechnol. 2025, 16, 1325–1349, doi:10.3762/bjnano.16.97

• traditional methods, such as thin film hydration, to produce liposomes and lipid nanoparticles [113][120]. Microfluidics offers exceptional control over particle size, lower variability, higher EE, and better scalability, making it the most advanced and practical approach for nanoparticle production [115][119

• the localized and controlled delivery of medicine [108]. Liposome–nanoparticle hybrids integrate the benefits of both liposomes and nanoparticles. These hybrids provide a synergistic approach to treating complicated diseases like cancer by enabling multimodal medicines, such as combining chemotherapy

• with photothermal or photodynamic therapy. These hybrids are especially promising in cancer therapy. For instance, theranostic liposome–nanoparticle hybrids integrate therapeutic agents with imaging capabilities, allowing for simultaneous treatment and real-time tumor response monitoring [136

Better together: biomimetic nanomedicines for high performance tumor therapy

• Imran Shair Mohammad,
• Gizem Kursunluoglu,
• Anup Kumar Patel,
• Hafiz Muhammad Ishaq,
• Cansu Umran Tunc,
• Dilek Kanarya,
• Mubashar Rehman,
• Omer Aydin and
• Yin Lifang

Beilstein J. Nanotechnol. 2025, 16, 1246–1276, doi:10.3762/bjnano.16.92

• inspired coatings derived from cell membranes with nanoparticle cores, these carriers become highly versatile vessels for encapsulating a wide array of therapeutic agents. As a result, they are being extensively harnessed for the precise delivery of drugs and genes, underpinning numerous biomedical

• various NPs, mostly for diagnostic or multifunctional theranostic applications. 1.3.1 Albumin. Albumin is a major protein present in blood and widely studied for drug–protein interaction and nanoparticle corona formation studies. Due to its immunocompatibility, long half-life, and abundance of binding

• –protein binding in vivo, nanoparticles can adsorb plasma proteins at their surface in blood circulation and form a corona, which can alter their biodistribution, cell uptake, and intracellular degradation [90]. Thus, as the protein corona increases, albumin proteins affect nanoparticle fate in vivo. As

Hydrogels and nanogels: effectiveness in dermal applications

• Jéssica da Cruz Ludwig,
• Diana Fortkamp Grigoletto,
• Daniele Fernanda Renzi,
• Wolf-Rainer Abraham,
• Daniel de Paula and
• Najeh Maissar Khalil

Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90

• for topical therapy. Nanoparticle-loaded hydrogels have proven to be promising carrier systems to deliver mometasone furoate [186], clobetasol propionate [198], and curcumin [185] for psoriasis therapy. For treating atopic dermatitis, PVA/alginate hydrogel loaded with prednisolone showed effective

• efficiently encapsulated 5-FU [196]. The 5-FU was encapsulated in the PLGA core using the solvent evaporation technique. Then, the nanoparticle was coated with cationic chitosan, aiming to promote ionic interactions with the anionic cell membrane of the tumor. Finally, eucalyptus oil (1%) was added to the

• surface of the nanoparticle to favor the penetration of the nanogels into the SC). Both in vitro and ex vivo results showed higher cutaneous penetration of 5-FU performed by double-walled PLGA–chitosan nanogels coated with eucalyptus oil, demonstrating the favorable potential of nanogels in skin cancer

Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti

• Maria A. A. Bertonceli,
• Vitor D. C. Cristo,
• Ivo J. Vieira,
• Francisco J. A. Lemos,
• Arnoldo R. Façanha,
• Raimundo Braz-Filho,
• Gustavo V. T. Batista,
• Luis G. M. Basso,
• Sérgio H. Seabra,
• Thalya S. R. Nogueira,
• Felipe F. Moreira,
• Arícia L. E. M. Assis,
• Antônia E. A. Oliveira and
• Kátia V. S. Fernandes

Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88

• for vector control. Keywords: dengue; nanoparticle; pest management; phytochemicals; Introduction Climate change has significantly impacted public health, intensifying the proliferation of disease vectors such as those transmitted by the mosquito Aedes aegypti. Environmental conditions exacerbated

• selective toxicity to target organisms, making them a viable alternative for developing new insecticide formulations. Combining these attributes with nanoparticle encapsulation strategies, it is possible to considerably increase the biocidal agent efficacy while reducing the environmental and human health

• excessive cross-linking by TPP, thereby reducing both nanoparticle size and polydispersity [19]. Furthermore, the inclusion of rotenoids in the nanocomposite seemingly improved its dispersibility (Figure 2B and 2D) compared to respective controls of empty nanoparticles (Figure 2A and 2C). The presence of

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration

• Robert Stuckert,
• Felix Pohl,
• Oleg Prymak,
• Ulrich Schürmann,
• Christoph Rehbock,
• Lorenz Kienle and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84

• oxides [36][37], or metal electrodes [38][39], using electrostatic [37], diffusive [40], or electrophoretic [39] pathways. Additionally, in contrast to form-in-place-methods such as CTS [20], the NP size does not depend on the loading [40]. Nanoparticle generation by laser synthesis and processing of

• , colloidal nanoparticles can be synthesized and/or processed by laser ablation in liquid (LAL) [51][52][53][54][55], laser fragmentation in liquid (LFL) [56][57], and laser reduction in liquid (LRL) [58][59][60], making LSPC an efficient method for nanoparticle research but also for scale-up, as it has been

• . Nanoparticle characterization is done by high-resolution transmission electron microscopy (HRTEM), energy-dispersive X-ray spectroscopy (STEM-EDX), selected-area electron diffraction (SAED), X-ray diffraction (XRD), and electron energy loss spectroscopy (EELS), complemented by tempering and laser post

Towards a quantitative theory for transmission X-ray microscopy

• James G. McNally,
• Christoph Pratsch,
• Stephan Werner,
• Stefan Rehbein,
• Andrew Gibbs,
• Jihao Wang,
• Thomas Lunkenbein,
• Peter Guttmann and
• Gerd Schneider

Beilstein J. Nanotechnol. 2025, 16, 1113–1128, doi:10.3762/bjnano.16.82

• determined by Beer’s law, whereas the microscope underestimates this absorption by 10–20%. This surprising observation highlights the need for future work to identify the microscope feature(s) that lead to this quantitative discrepancy. Keywords: 3D imaging; mathematical model; Mie theory; nanoparticle

Fabrication of metal complex phthalocyanine and porphyrin nanoparticle aqueous colloids by pulsed laser fragmentation in liquid and their potential application to a photosensitizer for photodynamic therapy

• Taisei Himeda,
• Risako Kunitomi,
• Ryosuke Nabeya,
• Tamotsu Zako and
• Tsuyoshi Asahi

Beilstein J. Nanotechnol. 2025, 16, 1088–1096, doi:10.3762/bjnano.16.80

• Taisei Himeda Risako Kunitomi Ryosuke Nabeya Tamotsu Zako Tsuyoshi Asahi Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan 10.3762/bjnano.16.80 Abstract We prepared stable nanoparticle dispersions of metal complex phthalocyanines (MPcs; M

• against cancer cells was reported. However, conventional methods of producing nanoparticle colloids require organic solvents and excessive amounts of organic adjuvants, which may have other implications for research in pharmacological, photochemical, and medical applications, and also may interfere with

• application as photosensitizers for PDT. We have already reported the nanoparticle fabrication of some MPcs by PLAL using deionized water [13][14][15]. The nanoparticles dispersed well in pure water, but precipitated in a buffer solution and a cell culture medium after one day. In this study, therefore, an

Time-resolved probing of laser-induced nanostructuring processes in liquids

• Maximilian Spellauge,
• David Redka,
• Mianzhen Mo,
• Changyong Song,
• Heinz Paul Huber and
• Anton Plech

Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74

• early-time structural relaxation and chemical bond dynamics in laser-induced ionization of liquid water. In the third chapter “Nanoparticle excitation in an ensemble and energy exchange with medium”, an approach is shown on how reactions of both the excited NPs as well as the interaction with the

• by the expanding NPs. Nanoparticle excitation in an ensemble and energy exchange with the medium With the latest advances in ultrafast imaging down to an atomic scale (see the section on single-particle imaging), it became possible to visualize photoreactions in individual particles [68][101][102

Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application

• Hon Nhien Le,
• Duy Khanh Nguyen,
• Minh Triet Dang,
• Huyen Trinh Nguyen,
• Thi Bang Tam Dao,
• Trung Do Nguyen,
• Chi Nhan Ha Thuc and
• Van Hieu Le

Beilstein J. Nanotechnol. 2025, 16, 806–822, doi:10.3762/bjnano.16.61

• reduced graphene oxide (RGO), causes the drawbacks of small effective surface area and low dispersibility in media [10]. Several approaches have been reported to prevent the irreversible stacking of graphene-based nanosheets, including electrostatic repulsion, nanoparticle intercalation, three-dimensional

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• such properties [31]. For instance, it has been demonstrated that the wavelength-shifting characteristics of Si nanoparticles were caused by the effects of quantum-size confinement. The bandgap of silicon increased from its typical 1.1 eV in elemental form to nearly 3 eV in nanoparticle form, enhancing

• nanocolloid in this work. The optical properties of nanocolloids and their thin films were evaluated using UV–visible (UV–vis) spectroscopy. The nanoparticle characterization and surface morphology were studied using transmission electron microscopy (TEM), scanning electron microscopy (SEM), and the

• standard deviation values in each case are given in the respective figures (Figures 4–6d). From the above analysis, it is evident that different morphologies of FeS2 nanoparticles are generated by PLAL as the liquid medium changes. The ablation and nanoparticle formation mechanism begins with the FeS2

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

• Sabina Lewińska,
• Pavlo Aleshkevych,
• Roman Minikayev,
• Anna Bajorek,
• Mateusz Dulski,
• Krystian Prusik,
• Tomasz Wojciechowski and
• Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

• that stabilized the entire nanoparticle [2][3][4]. Such a variety of the iron delivery drugs in the pharmaceutical market results from the continuous improvement of their properties, such as absorption of iron in the human body, time of iron release after administration to the patient, and shape and

• core–shell nanoparticle form, where the shell consists of sucrose, while the core is iron(III) oxide mineral. The average diameter of iron sucrose nanoparticles included in Venofer® was estimated as ≈7 nm, whose core diameter is 3 nm [2][7][8][13]. The elemental analysis for a single iron sucrose

• nanoparticle with a 3 nm core [7], showed that the core consists of 416 akaganeite (β-FeOOH) and is surrounded by 24 sucrose molecules. However, some studies have shown that iron sucrose contains ferrihydrite [4][6], 2-line ferrihydrite and akaganeite together [13], or even lepidocrocite [15]. Such

Serum heat inactivation diminishes ApoE-mediated uptake of D-Lin-MC3-DMA lipid nanoparticles

• Demian van Straten,
• Luuk van de Schepop,
• Rowan Frunt,
• Pieter Vader and
• Raymond M. Schiffelers

Beilstein J. Nanotechnol. 2025, 16, 740–748, doi:10.3762/bjnano.16.57

• surface of nanoparticles after administration has garnered substantial attention due to the significant effects it has on their performance. Lipid nanoparticles (LNPs) depend on protein corona formation to mediate their targeting. Such protein–nanoparticle interactions are often initially studied using in

• protein corona formation in vitro and prevent bias in LNP development. Keywords: apolipoprotein E; fetal calf serum; heat inactivation; lipid nanoparticle; protein corona; Introduction Nanotechnology has gained a strong foothold in the field of drug delivery, having significant promise to overcome the

• and efficacy [1]. It is becoming increasingly clear that the biological fate and overall performance of nanoparticles are influenced by their interaction with the bioenvironment. As a nanoparticle interacts with a biological matrix upon administration, a layer of biomolecules, primarily composed of

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

• Tina Friedenauer,
• Maximilian Spellauge,
• Alexander Sommereyns,
• Verena Labenski,
• Tuba Esatbeyoglu,
• Christoph Rehbock,
• Heinz P. Huber and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

• viability even at high curcumin concentrations. Keywords: antioxidant; cannabidiol; curcumin; drug; food additive; low degradation; nanoparticle; pulsed laser ablation in liquids; solubilization; Introduction Laser synthesis and processing of colloids (LSPC) has become increasingly popular over the last

• ) nanoparticles [60]. On the other hand, it has been shown that optical breakdown and the production of ROS are hampered at high nanoparticle concentrations [60], which may be responsible for the low degradation by LFL-generated radicals at high particle mass concentrations. Furthermore, it has to be considered

Aprepitant-loaded solid lipid nanoparticles: a novel approach to enhance oral bioavailability

• Mazhar Hussain,
• Muhammad Farooq,
• Muhammad Asad Saeed,
• Muhammad Ijaz,
• Sherjeel Adnan,
• Zeeshan Masood,
• Muhammad Waqas,
• Wafa Ishaq and
• Nabeela Ameer

Beilstein J. Nanotechnol. 2025, 16, 652–663, doi:10.3762/bjnano.16.50

• . Stearic acid was purchased from Lab Alley, Texas, USA. Acetonitrile, ethanol, and phosphoric acid were purchased from Merck, Germany. Double distilled water was obtained from the post-graduate research laboratory, Faculty of Pharmacy, University of Lahore. Solid lipid nanoparticle preparation and

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

• Shiwani Randhawa,
• Trilok Chand Saini,
• Manik Bathla,
• Rahul Bhardwaj,
• Rubina Dhiman and
• Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

• different therapeutic strategies, highlighting both conventional and emerging methods for addressing the challenges posed by AβOs in AD pathology. Nanoparticle-based approaches for the diagnosis and dissociation/inhibition of AβOs Although conventional approaches for diagnosing and targeting AβOs have laid

• improved associated neurotoxicity [52]. Shifting from imaging to electrochemical approaches, researchers have developed biosensors comprising immobilized thiolated PrPC peptides on a graphene oxide/gold nanoparticle hydrogel electrode. This nanobiosensor displayed high specificity and sensitivity for

• aptamer-tagged gold nanoparticle/Cu-MOFs conjugates to produce sensitive signals. This resulted in a highly effective sandwich sensor capable of detecting AβOs in a linear range from 1 nM to 2 μM, demonstrating a correlation coefficient of 0.996 and a low detection limit of 0.45 nM [75]. Phan and team

Retrieval of B1 phase from high-pressure B2 phase for CdO nanoparticles by electronic excitations in Cd_xZn_1−xO composite thin films

• Arkaprava Das,
• Marcin Zając and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2025, 16, 551–560, doi:10.3762/bjnano.16.43

• . Kandasami and C. Bittencourt, "Stabilization of the high-pressure phase of CdO by nanoparticle formation in CdxZn1−xO thin films", article no. 119744, Copyright (2024), with permission from Elsevier. This content is not subject to CC BY 4.0 (b) XRD pattern for CZ900_Pris, CZ900_113O, CZ900_313O, CZ900_113Ag

Effect of additives on the synthesis efficiency of nanoparticles by laser-induced reduction

• Rikuto Kuroda,
• Takahiro Nakamura,
• Hideki Ina and
• Shuhei Shibata

Beilstein J. Nanotechnol. 2025, 16, 464–472, doi:10.3762/bjnano.16.35

• , which have been difficult to synthesize using the LRL. In addition, the efficiency of nanoparticle synthesis has been dramatically improved, and the variety of materials that can be produced has increased. This expands the potential of nanoparticles synthesized by LRL to be used in industrial

• synthesis of various nanoparticles that maintain the crystal structure and composition of the source solid material. In contrast to those methods, laser-induced reduction in liquid (LRL) is a nanoparticle synthesis method based on reduction reactions induced by laser in solution. Synthesis of nanoparticles

• nanoparticle synthesis. It was assumed that the synthesis of nanoparticles would be promoted by removing the hydroxyl radicals formed by laser irradiation. Isopropyl alcohol acts as a radical scavenger, and reacts with •OH to produce a reducing radical (E0 = −1.8 V) [34]. Therefore, we added IPA to the

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

• Ana Cubillo Alvarez,
• Dylan Maguire and
• Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

• . Emerging strategies, including stimuli-responsive polymers and advanced nanoparticle systems, offer potential solutions to these challenges. The review underscores the transformative potential of polymer-enhanced ASO delivery in personalised medicine, emphasising the importance of continued innovation to

• either by direct conjugation to carriers or through their incorporation into nanoparticle-based complexes. Various synthetic polymers used for targeted ASO delivery include poly(amino acids), polyamines, polyacrylates and polyolefins, and neutral polymers. Poly(amino acids) Poly(ʟ-lysine). Poly(ʟ-lysine

Quantification of lead through rod-shaped silver-doped zinc oxide nanoparticles using an electrochemical approach

• Ravinder Lamba,
• Gaurav Bhanjana,
• Neeraj Dilbaghi,
• Vivek Gupta and
• Sandeep Kumar

Beilstein J. Nanotechnol. 2025, 16, 422–434, doi:10.3762/bjnano.16.33

• straight line using a W–H plot is a good fit as the correlation coefficient value of R2 is 0.96. Using the value of the intercept, the calculated size of the nanoparticle is found to be 71.8 nm. The value of the crystalline size obtained by the Williamson–Hall method is 2.5 times than that obtained by the

Size control of nanoparticles synthesized by pulsed laser ablation in liquids using donut-shaped beams

• Abdel Rahman Altakroury,
• Oleksandr Gatsa,
• Farbod Riahi,
• Zongwen Fu,
• Miroslava Flimelová,
• Andrei Samokhvalov,
• Stephan Barcikowski,
• Carlos Doñate-Buendía,
• Alexander V. Bulgakov and
• Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 407–417, doi:10.3762/bjnano.16.31

• this pioneering study, further investigation with higher temporal and spatial resolution are warranted. Keywords: beam shaping; cavitation bubble; donut beam; gold nanoparticles; high-entropy alloy nanoparticles; nanoparticle size analysis; yttrium oxide nanoparticles; Introduction The demand for

• most elegant, surfactant-free size quenching method by micromolar anion addition only works for soft Lewis-acid nanoparticle materials, in particular, Au, Pt, and Pd, as the process is driven by anion adsorption Hofmeister effects, but not for oxide or multi-base metal materials such as the Cantor

• the spatial distribution of the laser intensity and, thus, the radiation absorption by the target, influencing plasma plume and cavitation bubble formation, evolution, cooling, and the temperature and pressure conditions that determine nanoparticle formation. In the case of a donut-shaped beam, the