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Search for "heating" in Full Text gives 759 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.
Quality by design optimization of microemulsions for topical delivery of Passiflora setacea seed oil
Beilstein J. Nanotechnol. 2025, 16, 2116–2131, doi:10.3762/bjnano.16.146
- using a simultaneous thermal analysis (STA 449 F3 Jupiter®, NETZSCH – Selb, Germany). Samples were weighed in alumina crucibles and analyzed with a heating rate of 10 °C·min−1, under nitrogen flow of 10 mL·min−1, over a temperature range of 25 °C to 900 °C. Microemulsion systems were analyzed under the
Calibration of piezo actuators and systems by dynamic interferometry
Beilstein J. Nanotechnol. 2025, 16, 2086–2091, doi:10.3762/bjnano.16.143
- calibration factor differs from the nominal value by more than a factor of two might be due to the manufacturing tolerance; but, more likely, it can be explained by a depolarization of the tube piezo material as it has been subject to many heating cycles for bakeout of the UHV chamber. Next, we investigate
Beyond the shell: exploring polymer–lipid interfaces in core–shell nanofibers to carry hyaluronic acid and β-caryophyllene
Beilstein J. Nanotechnol. 2025, 16, 2015–2033, doi:10.3762/bjnano.16.139
- on the thermal and crystallinity properties of the nanofibers through the values of Tg, Tcc, Tm, ΔHm, ΔHcc, and Xc%. The DSC analysis provided heating curves and thermal transitions for the first and second heating cycles of the nanofibers. The first heating cycle offers insights into the polymers
- after processing by electrospinning, while the second heating cycle reveals characteristics of the material before processing. The values for each thermal event are presented in Table 1 (first heating) and Table 2 (second heating). All fibers exhibited a typical semicrystalline polymer profile
- samples exhibited thermal behavior similar to that of monolithic PLA nanofibers. In the first heating cycle (Figure 8C), all three samples displayed an exothermic peak between 72–77 °C, corresponding to the cold crystallization temperature (Tcc), which indicates the crystallization of chains that were not
Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges
Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137
- (nanosecond), this interaction should be taken into account, resulting in the ionization and heating of the ejected material. The initial stages of interaction of a laser beam with a solid target are strongly dependent on laser pulse duration and fluence, surrounding liquid, target morphology and composition
- sufficient time for thermal processes of heating and melting to occur (Figure 7a,f). These mild conditions favour the heating and melting of NPs instead of their fragmentation, which is required for targeted shape change. The laser parameters required to melt the particles by laser pulses can be determined
Quantum circuits with SINIS structures
Beilstein J. Nanotechnol. 2025, 16, 1931–1941, doi:10.3762/bjnano.16.134
- electrical response to thermal heating of the absorber by direct current, for example, in [12][14][33][34][35]. But in practice, the electrical response to heating by direct current is always significantly higher than the optical response for microwave, terahertz, or IR radiation. This is explained by the
- fact that, in the case of heating the absorber by direct current, the electron temperature of all conduction electrons increases. In the equilibrium state, the electron temperature is determined by the incoming power and the electron–phonon interaction. However, in cases of absorption of a photon with
- commonly used structures, this time is of the order of tens of nanoseconds. Typical relaxation times are given in [37][38]. To calculate the sensitivity in the case of heating the absorber with direct current or at low frequencies, the heat balance equation is applicable [12][14]: where Psig is the signal
Targeting the vector of arboviruses Aedes aegypti with nanoemulsions based on essential oils: a review with focus on larvicidal and repellent properties
Beilstein J. Nanotechnol. 2025, 16, 1894–1913, doi:10.3762/bjnano.16.132
- γ-muurolene [112]. The oil was extracted by hydrodistillation and incorporated into the nanoemulsion using a low-energy method, without heating and without solvents, using polysorbate 80 as the surfactant. The nanoemulsion had an average droplet size of 176.0 nm (±12.3) and a polydispersity index of
Low-temperature AFM with a microwave cavity optomechanical transducer
Beilstein J. Nanotechnol. 2025, 16, 1873–1882, doi:10.3762/bjnano.16.130
- increasing Pin. In practice, nonlinear effects emerge at large nc, such as heating (nonlinear loss) and resonance-frequency shift (Kerr nonlinearity), which cause the linear response picture of cavity optomechanics to break down. Detection noise in the cavity optomechanical scheme is determined by quantum
- driving the coarse z-positioner with the Attocube ANC-300 control unit that provides the 60 V saw-tooth pulses to the piezo actuators. The stick–slip motion of the actuator under high-voltage saw-tooth pulses (≈50 nm/step) produces significant heating at the 10 mK stage. Under continuous operation, the
- heating power is of the order of 1 µW for an approach speed of 1 µm/min. This temperature change during coarse approach causes drift in the cantilever’s resonance frequency, requiring a couple of minutes to restore a stable configuration. Therefore, during coarse approach we monitor only the microwave
On the road to sustainability – application of metallic nanoparticles obtained by green synthesis in dentistry: a scoping review
Beilstein J. Nanotechnol. 2025, 16, 1851–1862, doi:10.3762/bjnano.16.128
- . We highlighted that 68.80% (n = 51) of the studies describing nanoparticle synthesis methods employed stirring. Other reported methods included heating (27.30%; n = 21) and cooling (3.90%; n = 3). Stirring is a widely used method in the green synthesis of metallic nanoparticles because it plays a
Multifunctional anionic nanoemulsion with linseed oil and lecithin: a preliminary approach for dry eye disease
Beilstein J. Nanotechnol. 2025, 16, 1711–1733, doi:10.3762/bjnano.16.120
- between the drug and phospholipids, affecting stability [52][54]. Moreover, heating linseed oil to the formulation temperature of 75 °C offers specific advantages, such as enhanced phase interaction and improved solubilization potential for hydrophobic drugs, without compromising its chemical integrity or
- Thermogravimetric (TG) and differential scanning calorimetry (DSC) analyses of LO (20.5 mg) were performed using a Simultaneous Thermal Analyzer (STA) 449 F3 Jupiter (NETZSCH, Germany). The samples were scanned from 25 to 700 °C at a heating rate of 10 K·min−1 under a nitrogen (N2) atmosphere with a flow rate of 50
- quantification of fatty acids (FAs) in linseed oil (LO) are presented in Table 1. Linolenic acid is the most abundant, constituting 46.7%, followed by oleic acid (17.7%), linoleic acid (14.5%), behenic acid (7.4%), erucic acid (5.6%), palmitic acid (5.0%), and stearic acid (3.3%). Heating LO to 75 °C did not
Ambient pressure XPS at MAX IV
Beilstein J. Nanotechnol. 2025, 16, 1677–1694, doi:10.3762/bjnano.16.118
- reaction cell was designed to replicate commercial ALD conditions, including independent pulsing of precursor gases, laminar flow across the sample, and substrate heating. The setup allows for independent control of precursor and co-reactant exposure and supports a variety of chemistries [60]. ALD is a key
Bioinspired polypropylene-based functionally graded materials and metamaterials modeling the mistletoe–host interface
Beilstein J. Nanotechnol. 2025, 16, 1592–1606, doi:10.3762/bjnano.16.113
- ., inversely graded metamaterial, Figure 2I). Glass fiber content analysis X-ray microtomographic (μCT) scans were used to determine the glass fiber content along a linearly graded specimen with rectilinear interfaces and to estimate the heating effects of laser cutting at the specimen edges. Sections of about
Photocatalytic degradation of ofloxacin in water assisted by TiO2 nanowires on carbon cloth: contributions of H2O2 addition and substrate absorbability
Beilstein J. Nanotechnol. 2025, 16, 1567–1579, doi:10.3762/bjnano.16.111
- of as-precipitated nanowires in air at a heating rate of 10 K·min−1 from room temperature to 500 °C. The static water contact angles were measured using a goniometer (OCA 11, DataPhysics Instruments GmbH, Filderstadt, Germany) following the standard sessile drop method. The measurements were
Nanomaterials for biomedical applications
Beilstein J. Nanotechnol. 2025, 16, 1499–1503, doi:10.3762/bjnano.16.105
- photothermal therapy (PTT), in which heating special nanoparticles with light helps kill damaged cells, most notably cancerous cells. Most doctors are using this technique since it treats tumors more precisely and in a less invasive way than standard chemotherapy and radiation [32]. Gold and silver metallic
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
- significance of photon-assisted transitions in fragmentation processes, particularly when interacting with the second and third harmonics of a picosecond Nd:YAG laser. Although the temperature of the Au NPs exceeded the evaporation threshold, the results suggest that heating alone was not the primary cause of
- exposing colloidal NPs dispersed in a liquid medium to pulsed laser irradiation. This technique is known as pulsed laser melting in liquids (PLML) [6][41][42]. PLML involves heating and melting of raw NPs with unfocused laser pulses, leading to their aggregation and the formation of submicrometer spherical
- proportional to the total energy input by the laser [54]. Using picosecond laser irradiation at a low fluence is an energy-efficient method for synthesizing SMSPs by PLML compared to nanosecond laser irradiation [55]. If the thermal diffusion length in particles during ultrafast laser heating is smaller than
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
- modifiers, magnetic-derived amphoteric metals and cooperative microbes [31][32][33][34]. Traditional biochar synthesis aims to optimize specific surface area and structural stability by controlling reaction time, heating rate and reactor temperature [35]. For example, biochar produced from oilseed rape
Parylene-coated platinum nanowire electrodes for biomolecular sensing applications
Beilstein J. Nanotechnol. 2025, 16, 1392–1400, doi:10.3762/bjnano.16.101
- Figure 6, two BriskHeat heating tapes were used for the sublimation part (170 °C) and the valve (295 °C). A Thermcraft tube furnace was used for the pyrolysis part (690 °C), and the polymerization (deposition) chamber was an Edwards FL20K foreline trap. A BVV cold trap was used to catch uncoated parylene
- vertical) in this deposition chamber with Kapton tape. 0.5 g of parylene-C powder was placed in a ceramic boat (7 cm × 1.5 cm × 1 cm), which was used in the deposition process. The system was first evacuated to a pressure below 1.33 Pa. Next, the valve heating tape and tube furnace were activated. Once the
- furnace reached 690 °C (which took approximately 10 min), the sublimation heating tape was turned on. It typically took around 5 min for the sublimation to stabilize. The pressure was monitored to estimate the thickness, and the pyrolysis time was adjusted based on the pressure and the desired coating
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
- culture medium. Characterizations TGA was carried out on a Shimadzu DTG-60/DTG-60A thermogravimetric analyzer. The heating rate was 10 °C·min−1, and the atmosphere was air. FTIR measurements were performed using a PerkinElmer spectrometer, utilizing single-reflection ATR technology and a diamond crystal
Deep-learning recognition and tracking of individual nanotubes in low-contrast microscopy videos
Beilstein J. Nanotechnol. 2025, 16, 1316–1324, doi:10.3762/bjnano.16.96
- wavelength of 700 nm was placed after the analyzer to filter out blackbody radiation generated by the heating crucible. A long-distance objective (Nikon Plan Fluor ELWD 20× 0.45 C L) was used for illumination and collection. Growth process videos were captured using a digital camera (Hamamatsu c11440 ORCA
Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation
Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91
- of essential oil Pickering emulsion containing biopackaging PVA was dispersed in water at 6% (w/v) using a magnetic stirrer with heating at 80 °C for 3 h and 1 mL of glycerol was added to create the biopackaging (BP) film-forming solution [24]. NC suspension at a mNC/mPVA ratio of 6% (w/w) was added
Hydrogels and nanogels: effectiveness in dermal applications
Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90
- stimuli such as heating/cooling [45][46]. Polymer chemical cross-linking can be performed by the formation of a network structure from monomers by polymerization or post-cross-linking of linear polymers with a cross-linking agent. Examples of chemical cross-linking methods are covalent bonding between
Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration
Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84
- loss spectroscopy, in situ heating, post-irradiation experiments, and differential scanning calorimetry we demonstrate that a pulse-duration-driven structural difference occurs during laser ablation in liquid is observable to the three utilized solvents. While picosecond-pulsed laser ablation in liquid
- heating and cooling processes with rates of up to 1013 K/s [50] during LAL. An average crystallite size of 10 nm was determined, which indicates the presence of polycrystalline HEA NPs. Additionally, a broad (110)-intensity of manganese(II)-oxide can be detected at 35.6° with a crystallite size calculated
- occur coincidentally but are a reproducible observation (shown in Supporting Information File 1, Section S11). Thermal stability of the amorphous HEA nanoparticles Finally, we aimed to examine the temperature stability of the amorphous HEA NPs. Thereto, we conducted in situ heating experiments in TEM as
Influence of ion beam current on the structural, optical, and mechanical properties of TiO2 coatings: ion beam-assisted vs conventional electron beam evaporation
Beilstein J. Nanotechnol. 2025, 16, 1097–1112, doi:10.3762/bjnano.16.81
- practice, additional heating of the substrates, reducing the pressure in the working chamber, applying additional electrical bias to the substrates, or using ion beam assistance are used. All of these methods lead to an increase in the total energy of the nucleating particles on the substrate. Ion beam
- h in ambient atmosphere with a heating ramp of 200 K·h−1, without the use of refrigerants. The effect of ion beam-assisted deposition and additional post-process modification of TiO2 coatings was investigated in detail. XRD measurements (PANalytical Empyrean PIXel3D), Raman spectroscopy (Thermo
Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others
Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77
- , resulting in vertically aligned arrays of gold nanorods. The polymer brushes consist of alkyl-terminated hexaethylene glycol derivatives, functioning as thermoresponsive ligands. Upon heating, the gold nanorods assemble within the polymer brushes, maintaining their vertical orientation. Upon cooling, the
Multifunctional properties of bio-poly(butylene succinate) reinforced with multiwalled carbon nanotubes
Beilstein J. Nanotechnol. 2025, 16, 1014–1024, doi:10.3762/bjnano.16.76
- ) allow for the determination of melting temperature (Tm), glass transition temperature (Tg), crystallization temperature (Tc), and enthalpy (ΔH) of the studied materials (Table 2). During the first heating cycle, neat PBS exhibited a cold crystallization peak at 95.1 °C and a melting peak at 115.2 °C
- , red curve) and 94.4 °C for the PBS/CNT_0.5 nanocomposite (Figure 6, red curve). This indicates that the crystallization temperature of the nanocomposite is nearly 22 °C higher than that of pure PBS, despite the low CNT content. During the second heating cycle, neat PBS exhibited a cold crystallization
- peak at 97.5 °C and a melting peak at 114.6 °C (Figure 5, blue curve). In contrast, the PBS/CNT_0.5 nanocomposite sample did not show a cold crystallization peak on the second heating curve, but two melting peaks were observed at 107.8 and 114.4 °C (Figure 6, blue curve). These differences can be
Time-resolved probing of laser-induced nanostructuring processes in liquids
Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74
- consequences, such as providing timescales for lattice heating or explaining nonlinearities in excitation through electron heat capacity [23]. One notable exception from the universality of the TTM that limits its generalization to more degrees of freedom is the impact of non-thermalized electrons on structure
- to melting, reshaping (Figure 1B,C), evaporation, and phase explosion near the critical point (Figure 1H) [39][46][47][48]; (ii) stress-induced decompositions, where competition between heating and expansion leads to spallation or cavitation [36][49][50] (Figure 1I); (iii) non-thermal processes
- liquid dynamics in laser excitation of solvated NPs, especially regarding the ionization and heating of the liquid water environment either directly by the laser electric field under high-intensity regime or through electron ejections from the NPs. Figure 5A–C shows the result of ΔImol(q, t) for the
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