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Search for "environment" in Full Text gives 981 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.
Transient electronics for sustainability: Emerging technologies and future directions
Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109
- environment, thus serving as a foundational element in the realization of high-performance bioresorbable electronic systems. Fabrication strategies and scalability of bioresorbable electronics Hybrid architectures that combine the high-performance characteristics of inorganic electronic components with the
- electronic systems seamlessly interact with their environment, fulfill their intended functions, and then disappear without residue or retrieval. As the field matures, the convergence of materials science, device engineering, and systems integration will be essential to unlock the full potential of these
Influence of laser beam profile on morphology and optical properties of silicon nanoparticles formed by laser ablation in liquid
Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108
- electrical properties suitable for a wide range of practical applications [7][8][9]. PLAL has a number of advantages over other NP production methods due to the accessibility of equipment for ablation, the simplicity of the method, which does not require a special environment such as vacuum, and the ability
- temperature [5][22] or pressure [23], or the presence of a catalyst [24]. Consequently, alternative approaches for the formation of Si nanowires by laser ablation in liquid environment and under ambient conditions are of high interest. In this work, we have applied a method based on the change of the spatial
Dendrimer-modified carbon nanotubes for the removal and recovery of heavy metal ions from water
Beilstein J. Nanotechnol. 2025, 16, 1522–1532, doi:10.3762/bjnano.16.107
- of water bodies with heavy metal ions poses a significant threat to the environment and human health due to their non-degradable nature and toxicity. Metal-oriented industries such as battery manufacturing, mining, electroplating, and metal recycling are growing day by day, and so are the chances of
Nanomaterials for biomedical applications
Beilstein J. Nanotechnol. 2025, 16, 1499–1503, doi:10.3762/bjnano.16.105
- to ease symptoms or slow the disease, but through tissue engineering, the aim is to restore full functioning by supporting the healing capability of the body. Nanomaterials play an important role in this process as they better mimic the natural environment of cells than conventional materials. In
Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications
Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104
- uses an unfocused laser beam and source NPs, ensuring a more homogeneous and controlled reaction environment [69]. One significant drawback of LAL is its very low productivity, typically only several milligrams per hour [70][71]. However, research has shown that transforming NPs into submicrometer
The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts
Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102
- recycled in 2015, with 12% incinerated and 79% accumulating in landfills or the natural environment [4]. Microplastics (MPs) have garnered significant attention due to their adverse impacts on human health and the ecological environment. Research primarily focuses on identifying their presence, risks, and
- sources in the environment and biota. Although MPs are produced in large quantities, effective removal techniques remain underdeveloped [5][6]. Recent studies have confirmed the widespread presence of MPs in agricultural soils and water bodies, highlighting their environmental and human health risks. In
Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination
Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100
- layer. EDS is again used to analyze the elemental composition of the coating. It can be seen that the coating has been compromised and Na+ has penetrated the coating. Furthermore, the AgNPs partially aggregate or migrate within the PDA layer due to changes in the local chemical environment (Supporting
Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems
Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98
- overcome these problems [24]. Thus, encapsulation systems create a protective environment for metallodrugs, ensuring that they are delivered to the therapeutic site intact and limiting their interaction with healthy cells. In this way, nanoencapsulation systems drastically improve the efficacy and safety
- highly selective and efficient photosensitizer delivery systems. Ir(III) complexes are excellent photosensitizers due to their highly sensitive excited-state properties in response to the surrounding environment, high photostability, and unique intracellular localization [137][138]. However, the
Ferroptosis induction by engineered liposomes for enhanced tumor therapy
Beilstein J. Nanotechnol. 2025, 16, 1325–1349, doi:10.3762/bjnano.16.97
- by six transmembrane epithelial antigens of the prostate 3 (STEAP3) in the acidic environment in the endosome. Fe+2 is then transported into the cytoplasm by the transporter for divalent metals (DMT1). Iron has various functions in the cell and can be used in different enzymatic processes or stored
- oxidation or hydrolysis processes. After the hydrolysis of free fatty acids, compounds are formed that are toxic to the human body and lower the pH value of the environment. Antioxidants such as flavonoids and vitamins C and E can be included in the formulation of liposomes to stop oxidation [138]. While
Enhancing the photoelectrochemical performance of BiOI-derived BiVO4 films by controlled-intensity current electrodeposition
Beilstein J. Nanotechnol. 2025, 16, 1289–1301, doi:10.3762/bjnano.16.94
- thickness. Alternatively, Liu et al. [16] employed RF sputtering with a single BiVO4 target, but the volatility of Bi in a vacuum environment often led to an imbalanced Bi/V ratio, requiring precise regulation of oxygen partial pressure. Gong et al. [17] utilized DC co-sputtering of Bi and V targets to
Better together: biomimetic nanomedicines for high performance tumor therapy
Beilstein J. Nanotechnol. 2025, 16, 1246–1276, doi:10.3762/bjnano.16.92
- surrounding environment, including immunosuppression in T cells via PD-1/PD-L1 axis, recruitment of stem cells via CXCR4/CXCL2 chemokine axis, maturation of immune cells via membrane interactions, and various other physical/chemical interactions, uncover the emergence of cell membrane-based drug delivery
Hydrogels and nanogels: effectiveness in dermal applications
Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90
- embedded in hydrophilic solvents, usually water, which can carry active materials and biomolecules [11][12][13]. After hydration in an aqueous environment, the hydrogel structure is created by hydrophilic groups or regions arranged in a polymeric network [14]. Hydrogels present interesting properties
- largest organ in the body, the human skin has a critical role in the maintenance of vital functions: it provides protection to all internal organs, contributes to immune responses, and receives sensorial stimuli from the external environment [39]. The complexity of human skin makes it challenging to mimic
- . On the other hand, hydrogels and nanogels have arrived on the market as materials that resemble skin tissue, offering a hygroscopic and favorable environment for wound healing, for example. They can be combined with active ingredients that accelerate the primary goal of healing injured skin, helping
Investigation of the solubility of protoporphyrin IX in aqueous and hydroalcoholic solvent systems
Beilstein J. Nanotechnol. 2025, 16, 1209–1215, doi:10.3762/bjnano.16.89
- self-assembly of monomers into micelles with a hydrophobic core of polypropylene oxide (PPO) and a hydrophilic corona of polyethylene oxide (PEO), creating an environment suitable for the encapsulation of hydrophobic drugs such as PpIX [15]. These micelles enhance drug solubility, protect against
Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti
Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88
- significant advancement, vector management remains the primary strategy for preventing these urban arboviruses. In this context, the development of pesticides that offer safer alternatives for the environment and human health has become urgent. In this study, a chitosan-based nanocomposite was developed as a
- investment of 16.9 million Brazilian reais in 2023 [4], the development of resistance by this vector to regularly used larvicides, which impact other organisms beneficial to the environment while presenting risks of poisoning to humans who handle them, is rampant. The adoption of new biotechnological tools
- the nanocomposite to reduce potential environmental damage, such as those reported in the literature for some metal-decorated nanomaterials and their derivatives (silver, gold, copper, zinc, titanium, and silicon) that can be highly toxic to non-target organisms in the environment [18]. The
Electronic and optical properties of chloropicrin adsorbed ZnS nanotubes: first principle analysis
Beilstein J. Nanotechnol. 2025, 16, 1184–1196, doi:10.3762/bjnano.16.87
- pronounced bandgap narrowing and enhanced visible light absorption. This anisotropic behavior is consistent with theoretical and experimental studies on nanotube systems, where adsorption-induced optical changes are highly dependent on molecular orientation and the local electronic environment [74]. The
Single-layer graphene oxide film grown on α-Al2O3(0001) for use as an adsorbent
Beilstein J. Nanotechnol. 2025, 16, 1082–1087, doi:10.3762/bjnano.16.79
- were conducted into its adsorption properties. A significant accident at a nuclear facility can result in the release of substantial amounts of radioactive cesium (Cs) and strontium (Sr) into the environment [19][20]. The development of a method for reducing the volume of these radioactive waste is
Piezoelectricity of hexagonal boron nitrides improves bone tissue generation as tested on osteoblasts
Beilstein J. Nanotechnol. 2025, 16, 1068–1081, doi:10.3762/bjnano.16.78
- . Although applying US to the environment is a noninvasive mechanical stimulation, it may still cause acoustic streaming, acoustic microstreaming, and cavitation. This mechanical effect may cause fluid flow in the extracellular environment, creating temporary membrane deformation and tension on osteoblasts
- for cellular processes that are essential for bone repair and regeneration, which could explain the superior performance of hBNs in promoting osteoblast migration compared to that of BaTiO3 under US exposure. This suggests that the combination of hBNs and US may provide a more favorable environment
Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others
Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77
- as biomedical applications [15][16][17][18][19][20], but also extends to functional material systems that address issues such as energy [21][22][23][24][25] and environment [26][27][28][29][30]. The creation of such soft functional materials has been fostered alongside the advancement of science
- provides an optimal environment for membrane or membrane-associated proteins, thus paving the way for new bio-nanoarchitected devices. In particular, they can serve as electroactive components in sensing and energy devices. Furthermore, a unit-by-unit construction on solid surfaces to form end-on polymer
Time-resolved probing of laser-induced nanostructuring processes in liquids
Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74
- , we describe structural pathways for particle generation, fragmentation, and energy coupling to the liquid environment to establish a mechanistic knowledge of fundamental and applied processes. The first chapter entitled “Ultrafast light–matter interaction directly observed via single-pulse, single
- dynamic behavior of the surrounding liquid environment. The liquid medium not only mediates energy transfer but also plays a crucial role in influencing NP generation mechanisms, shock wave propagation, and bubble dynamics. Understanding the liquid dynamics is therefore essential for optimizing process
- parameters, improving reproducibility, and tailoring material properties for specific applications. Ultrafast optical techniques such as transient absorption spectroscopy (TAS) [84][85][86][87] have been applied to investigate the influence of the liquid environment on the energy relaxation processes of
Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy
Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73
- local environment. The similarities between the nanopipette in the measurement setup and the microtubules in the cellular context are discussed as the basis for the hypothesis. Keywords: HeLa; metabolically active; mitochondria; morphodynamics; scanning ion conductance microscopy; Introduction
- . One of these effects appears to be associated to the dynamics of the mitochondria’s morphology (in the following referred to as morphodynamics, cf. [6]) and their contact with the measurement environment. Finally, we propose hypotheses to explain the observed effects. Results Viability of the
- significant advance in imaging metabolically active organelles in their native environment with nanometer-scale resolution. The outer mitochondrial membrane appears largely “featureless” and smooth in these measurements. No detectable signatures of porins or other integral membrane proteins, which are present
Synthesis of biowaste-derived carbon-dot-mediated silver nanoparticles and the evaluation of electrochemical properties for supercapacitor electrodes
Beilstein J. Nanotechnol. 2025, 16, 933–943, doi:10.3762/bjnano.16.71
- reduction of Ag is extremely hazardous and can be dangerous to humans and the environment [17]. Hence, safer nontoxic methods for the production of AgNPs are in high demand. Green chemistry emphasizes the use of nontoxic chemicals and production pathways for environmental safety. Motivated by these
- groups which give them remarkable chemical and photophysical features, such as photostability, minimal toxicity, and tunable luminescence [18][19]. A significant number of studies has been carried out for developing CDs from inexpensive natural resources in many ways, which are also environment friendly
Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS
Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67
- , resulting in the development of a thin sp² carbon layer over the entire surface of the sample. The chemical state of nickel in the annealed Ni-PCD film was elucidated using XPS and NEXAFS spectroscopy to probe the local environment of metal atoms on the surface and inside the bulk (Figure 3). The XPS Ni 3p
Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction
Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63
- accompanied by toxic solvents and gases, influencing the environment and people’s health. One of the most significant current discussions in water electrolysis is finding green methods to prepare high-efficiency electrocatalysts. Thus, vacuum physical techniques have gained considerable attention in
Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale
Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62
- irradiation of the target material submerged in a liquid environment. This makes PLAL a safe, scalable and environmentally friendly approach [46][47][48]. Research on the synthesis of CoCrFeMnNi Cantor alloy NPs by PLAL demonstrated that this method consistently produces NPs with near-equiatomic compositions
- weight ratio of 20:1 with a rotation speed of sun disk/jars 700 rpm/1400 rpm. In the second step, the HEBM powders were consolidated using SPS (Dr. Sinter Lab – Fuji Electronic Industrial Co. Ltd.) in a vacuum environment. The powder mixture was loaded into a cylindrical graphite die with an inner
- powder was compressed at 100 MPa to produce cylindrical pellets of 10 mm in diameter and 2 mm in thickness (middle panel, Figure 1b). Finally, the samples underwent heat treatment in a near-vacuum environment (down to 10 mbar) at 600 °C for seven days, followed by rapid quenching in water. This procedure
Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application
Beilstein J. Nanotechnol. 2025, 16, 806–822, doi:10.3762/bjnano.16.61
- cell content includes about 70–95% water that creates an aqueous environment for biological processes. Water molecules are bound to biomolecular surfaces and participate in the structuring and functioning of biomolecules, typically the folding of protein and the twisting of the double helix of
- antibacterial activity against E. coli and S. aureus (the positive control was the antibiotic penicillin). Inhibition zone assays were used to evaluate antibiofilm properties of uncoated and coated plastic films [14][25]. Coating stability of plastic films in an environment simulating aqueous food was tested
- environment and quickly settled down. Stacked agglomerates of GO-SG-ZH powder at the bottom of the dispersion were observed in the micrograph of Figure 6c, while the micrograph of the dispersion of GO-SG-ZH hydrogel showed the absence of stacked structures. In Figure 6d, UV–vis spectra of aqueous dispersions
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