Advanced atomic force microscopy techniques V

• Philipp Rahe,
• Ilko Bald,
• Nadine Hauptmann,
• Regina Hoffmann-Vogel,
• Harry Mönig and
• Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 54–56, doi:10.3762/bjnano.16.6

• inaccuracy caused by electrostatic or capillary forces, this is an additional mechanism having an impact on AFM height measurements. Closely related is the measurement of conductivity. Skolaut et al. investigate conductivity in dependence on the roughness of the substrate using alkanethiol self-assembled

Orientation-dependent photonic bandgaps in gold-dust weevil scales and their titania bioreplicates

• Norma Salvadores Farran,
• Limin Wang,
• Primoz Pirih and
• Bodo D. Wilts

Beilstein J. Nanotechnol. 2025, 16, 1–10, doi:10.3762/bjnano.16.1

• titania sol were dripped onto the etched weevil scales at opposing points and a glass slide was placed on top to ensure even infiltration via capillary forces. To solidify the sol and evaporate the residual solvent, the scales were heated in an oven at 100 °C for 20 min. Then, the top slide was removed

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

• volume of 0.544 cm3/g, and a capillary diameter of 1.50 nm. Additionally, energy-dispersive X-ray mapping demonstrated the uniform distribution of the two MOFs within the electrode composition. The synergistic effect of the electrocatalytic properties of CuBTC and the high conductivity of FeBTC

• isotherm for (Cu)(Fe)BTC shows rapid adsorption of nitrogen in the low-pressure range (P/P0 < 0.1), suggesting a predominance of micropores [36]. Surface area, pore volume, and capillary diameters of the (Cu)(Fe)BTC sample are 1147 m2/g, 0.544 cm3/g, and 1.50 and 1.90 nm, respectively. Total pore volume

• successfully synthesized using a solvothermal method. The mixture of these MOFs demonstrated a high surface area, substantial total pore volume, and small capillary diameters. This hybrid material was then utilized as an electrode material for an electrochemical sensor designed to detect enrofloxacin through

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• through van der Waals forces, and capillary forces if there is a rough surface, forces which give way to conditions that are energetically favorable to the retention of the infused liquid as opposed to a foreign one. The preparation of SLIPS substrates include plasma treatments [4][12], acid/base soaks [1

Exploring surface charge dynamics: implications for AFM height measurements in 2D materials

• Mario Navarro-Rodriguez,
• Andres M. Somoza and
• Elisa Palacios-Lidon

Beilstein J. Nanotechnol. 2024, 15, 767–780, doi:10.3762/bjnano.15.64

• monolayer flakes of 2D materials is the inaccurate height derived from topography images, often attributed to capillary or electrostatic forces. Here, we show the existence of a Joule dissipative mechanism related to charge dynamics and supplementing the dissipation due to capillary forces. This particular

• system’s energy and, thus, reduce the amplitude, or (iii) a combination of both. Operating in this mode, erroneous height measurements derived from topography images are then attributed to local variations of hydrophilicity or hydrophobicity, which affect the dissipative capillary forces between tip and

• ][56][57]. The origin of incorrect height measurements in 2D materials has been ascribed to the same sources as those mentioned above, including capillary forces and adhesion [8][46], electrostatic forces [58][59][60], or residues of the solvent [8]. However, in many cases, this is not enough to fully

Functional fibrillar interfaces: Biological hair as inspiration across scales

• Guillermo J. Amador,
• Brett Klaassen van Oorschot,
• Caiying Liao,
• Jianing Wu and
• Da Wei

Beilstein J. Nanotechnol. 2024, 15, 664–677, doi:10.3762/bjnano.15.55

• and toe pads of insects, spiders, and geckos [56]. These hairs range in diameter from hundreds of nanometers in geckos, to micrometers in spiders, to tens of micrometers in insects. The hairs are capable of generating adhesive forces through either capillary interactions, when an adhesive fluid is

Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea)

• Julian Thomas,
• Stanislav N. Gorb and
• Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 612–630, doi:10.3762/bjnano.15.52

• roughness and thereby increase the contact area [14][16][17][18][19]. It can aid in the enhancement of viscous and capillary forces further increasing the attachment strength [9][14][20][21][22][23][24]. The adhesive secretion can be essential for the self-cleaning mechanism by binding smaller contamination

Cholesterol nanoarchaeosomes for alendronate targeted delivery as an anti-endothelial dysfunction agent

• Horacio Emanuel Jerez,
• Yamila Roxana Simioni,
• Kajal Ghosal,
• Maria Jose Morilla and
• Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 517–534, doi:10.3762/bjnano.15.46

• arterial calcification at doses comparable to those that inhibit bone resorption [10] and reported to exhibit a proangiogenic action on stressed endothelial cells, enhancing vascular endothelial growth factor (VEGF) synthesis and inducing the formation of capillary-like tubes in a VEGF-dependent manner [11

A combined gas-phase dissociative ionization, dissociative electron attachment and deposition study on the potential FEBID precursor [Au(CH₃)₂Cl]₂

• Elif Bilgilisoy,
• Ali Kamali,
• Thomas Xaver Gentner,
• Gerd Ballmann,
• Sjoerd Harder,
• Hans-Peter Steinrück,
• Hubertus Marbach and
• Oddur Ingólfsson

Beilstein J. Nanotechnol. 2023, 14, 1178–1199, doi:10.3762/bjnano.14.98

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

• Lester Uy Vinzons,
• Guo-Chung Dong and
• Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

• ), propylene glycol monomethyl ether acetate, is also the main constituent of the SU-8 developer, rendering AZ1518 incompatible with the subsequent micropatterning step for the hierarchical structures. Therefore, we replicated the AZ1518 nanoholes unto SU-8 using capillary thermal imprinting and then

• served as a template for creating a PDMS nanopillar structure for the capillary thermal imprinting of SU-8. An AZ1518 film was spin-coated on glass coverslips at 5000 rpm and soft-baked at 100 °C for 1.5 min. Exposure was performed at a dose of 13 mJ·cm−2 with an array of 1.1 μm polystyrene nanospheres

Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays

• Elangovan Sarathkumar,
• Rajasekharan S. Anjana and
• Ramapurath S. Jayasree

Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82

• nanomaterials; it also influences the capillary movement of nanoparticles inside the nitrocellulose membrane pores. Herein, we discuss the current development of photothermal nanomaterials regarding the application in LFAs. As an introduction, we discuss the classification of different photothermal

• be a major strategy to enhance the efficiency. This could be achieved by varying aspect ratio, material composition, and shape to yield better analytical performance in LFAs [60]. In addition, the size of the nanomaterial is also important for capillary movement and smooth flow in the nitrocellulose

Upscaling the urea method synthesis of CoAl layered double hydroxides

• Camilo Jaramillo-Hernández,
• Víctor Oestreicher,
• Martín Mizrahi and
• Gonzalo Abellán

Beilstein J. Nanotechnol. 2023, 14, 927–938, doi:10.3762/bjnano.14.76

• powder diffraction (PXRD) patterns were obtained on a PANalytical Empyrean X-ray platform with a capillary platform and copper radiation (Cu Kα = 1.54178 Å). Measurements were carried in triplicate in the 2-theta range of 2–70° with a step size of 0.02°/step and an integration time of 1 s. Attenuated

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

• Phommachith Sonexai,
• Minh Van Nguyen,
• Bui The Huy and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

• NPs are necessary for Ag-based SERS substrates to function well. The microfluidic approach is a technique for the fine control and manipulation of fluids, in which capillary penetration is limited to the micrometer scale and mass transport dominates [9][10]. Microfluidic devices are used in various

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

• Jelena Kosmaca,
• Juris Katkevics,
• Jana Andzane,
• Raitis Sondors,
• Liga Jasulaneca,
• Raimonds Meija,
• Kiryl Niherysh,
• Yelyzaveta Rublova and
• Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

• frequencies in comparison with the Bode plots taken for RH 50% (Figure 2c,d), indicating an increase of thickness of the water layer. Finally, the porous structure of the CuO nanowire bundles promotes capillary condensation of vapour, which can reach the substrate surface and enhance the conductivity through

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

• Akeem Adeyemi Oladipo,
• Saba Derakhshan Oskouei and
• Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

• (ELISA), radioimmunoassay (RIA), surface-enhanced Raman spectroscopy (SERS), and capillary electrophoresis are common analytical techniques used to qualitatively or quantitatively determine pharmaceuticals in various matrices because they are sensitive (Figure 2), have a significant tolerable limit of

The origin of black and white coloration of the Asian tiger mosquito Aedes albopictus (Diptera: Culicidae)

• Manuela Rebora,
• Gianandrea Salerno,
• Silvana Piersanti,
• Alexander Kovalev and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 496–508, doi:10.3762/bjnano.14.41

• high water buoyancy and floating ability, and during emergence from the aquatic pupa, preventing adults from wetting and allowing them to fly away from the water surface without being trapped by capillary forces. The scales on the mosquito body can also produce a colouration pattern, which is often

Conjugated photothermal materials and structure design for solar steam generation

• Chia-Yang Lin and
• Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

• absorbers. Half of the surface consists of hydrophilic groups and the other half is hydrophobic groups. Through capillary action, the hydrophilic section sequentially supplies water to the evaporation region, while the hydrophobic segment regulates the surplus water that leads to heat loss in the bulk water

• ][52][53][54][55][56][57][58][59][60][61][62][63], and aerogels [64][65][66][67][68][69][70][71][72][73], are also used as substrates for SSG devices. As the hydrophilic surface of porous structures is the key to efficient water transport through capillary forces, it is reasonable to combine them with

• (Figure 11a). In this setup, a cotton rod was employed to connect between the sponge and bulk water. Thorough capillary forces, water is transported to the photothermal sponge. This is a simple design but efficiently minimizes the transport energy loss. In order to optimize the water evaporation rate and

Plasmonic nanotechnology for photothermal applications – an evaluation

• A. R. Indhu,
• L. Keerthana and
• Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

Biocatalytic synthesis and ordered self-assembly of silica nanoparticles via a silica-binding peptide

• Mustafa Gungormus

Beilstein J. Nanotechnol. 2023, 14, 280–290, doi:10.3762/bjnano.14.25

• –MS analyses were done with a fused silica capillary column a (Restek 14623, Thermo Fischer Scientific Inc, Waltham, MA, USA), 150 °C injection temperature, 250 °C detection temperature, 1 µL injection volume, and 1 mL/min He flow rate. Dionex Chromeleon 7.2 software (Thermo Fischer Scientific Inc

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

• Filip Gorachinov,
• Fatima Mraiche,
• Diala Alhaj Moustafa,
• Ola Hishari,
• Yomna Ismail,
• Jensa Joseph,
• Maja Simonoska Crcarevska,
• Marija Glavas Dodov,
• Nikola Geskovski and
• Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

• cell–polystyrene NP (200 and 500 nm) complexes (RBCsNP complexes) [119]. Compared to the free NPs, the delivery of RBCsNP complexes to the lungs, that is, the first capillary bed downstream of the IV injection of the NPs, was five-fold increased, which makes RBCsNP complexes very useful for lung tissue

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• placed in the gap between the supporting substrate and a capping layer [43][44][45]. On the other hand, capillary force can induce the formation of nanochannel gaps when a structural top layer is brought into contact with the bottom surface [43]. Through these techniques, structures that are at the

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

• Sedat Ünal,
• Osman Doğan and
• Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

• capillary cell. Particle size measurements were made at an angle of 173°, while zeta potential measurements were made at an angle of 12.8°. All formulations were measured at 25°C in triplicate. The particle size distribution was expressed as mean diameter (nm) ± standard deviation (SD) and PDI. The zeta

Straight roads into nowhere – obvious and not-so-obvious biological models for ferrophobic surfaces

• Wilfried Konrad,
• Christoph Neinhuis and
• Anita Roth-Nebelsick

Beilstein J. Nanotechnol. 2022, 13, 1345–1360, doi:10.3762/bjnano.13.111

• creating the air layer should not exceed the capillary length, that is, surface forces should dominate forces trying to distort the gas/liquid interface (e.g., gravitational forces). The straight top-down pathway: Identifying and following obvious biological models As a first step, it appeared to be quite

• other forces that try to deform the interface (such as the gravitational force). This is guaranteed as long as the typical dimensions of a gas-holding structure (such as the maximum radius sc of the contact circle) do not exceed the capillary length, which results from the surface tension σ ≈ 1.6 N/m

Studies of probe tip materials by atomic force microscopy: a review

• Ke Xu and
• Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

• the fiber to the gold and silver nanowires, which excites the surface plasma propagating on the gold and silver nanowires, and the surface plasma propagates to the tip of the nanowires when it becomes coupled with light. This method of using hollow fiber or glass capillary with gold and silver

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• resonance [10], Fourier transform infrared spectrometry (FTIR) [11], UV–vis absorption spectrometry [12], mass spectrometry (MS) [13], titration microcalorimetry [14], high-performance liquid chromatography (HPLC) [15], gas chromatography (GC), capillary electrophoresis (CE) [16], and electrochemical chiral