Search results
Search for "plant" in Full Text gives 149 result(s) in Beilstein Journal of Nanotechnology.
A review of demodulation techniques for multifrequency atomic force microscopy
Beilstein J. Nanotechnol. 2020, 11, 76–91, doi:10.3762/bjnano.11.8
- , consider the functional block diagram in Figure 7, where the integrator of the Lyapunov filter is replaced by the transfer function F(s). In this form, the direct-design demodulator follows a modulated–demodulated control loop [57] with a unity plant. This method differs from the Lyapunov filter as it does
Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides
Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200
- available solutions to address the world’s increasing energy consumption is the production of fatty acid methyl esters (FAMEs), also known as biodiesel, which are an alternative fuel similar to conventional diesel. They are usually produced from various triglycerides – components of vegetable or plant oils
Review of advanced sensor devices employing nanoarchitectonics concepts
Beilstein J. Nanotechnol. 2019, 10, 2014–2030, doi:10.3762/bjnano.10.198
- to visually detect cesium ions in domestic water and seawater [92] (Figure 4). The detection of radioactive cesium species becomes a serious demand after a nuclear plant explosion event, but radioactivity measurements do not always work with high areal resolution. The detection of cesium ions
Gold-coated plant virus as computed tomography imaging contrast agent
Beilstein J. Nanotechnol. 2019, 10, 1983–1993, doi:10.3762/bjnano.10.195
- development of a plant virus-based NP as a CT imaging agent. In this study, the plant cowpea mosaic virus (CPMV) was coated with a gold shell and the use as a CT contrast agent was evaluated. Although a few publications reported the decoration of the surface of virus capsids with preformed AuNPs in specific
- patterns [29], to the best of our knowledge, this is the first time that modified plant virus particles have been used for CT imaging in vitro; the generated particles have potential for clinical imaging applications. Results and Discussion Characterization of Au-CPMV A colloidal solution of Au-CPMV was
- , VA). Methods CPMV propagation CPMV propagation followed our previously published method [38]. Black-eyed peas plant (Vigna unguiculata) were grown from seeds, obtained locally, in a greenhouse for 10 days. Primary leaves were rubbed with carborundum (fine-grade silicon carbide abrasive) and treated
Microfluidic manufacturing of different niosomes nanoparticles for curcumin encapsulation: Physical characteristics, encapsulation efficacy, and drug release
Beilstein J. Nanotechnol. 2019, 10, 1826–1832, doi:10.3762/bjnano.10.177
- the rhizome of the medicinal plant Curcuma longa Linn [1]. It has different therapeutic applications such as the use against inflammation and respiratory distress [2]. Moreover, in several studies, curcumin has been proven to have chemopreventive and chemotherapeutic effects against several types of
A biomimetic nanofluidic diode based on surface-modified polymeric carbon nitride nanotubes
Beilstein J. Nanotechnol. 2019, 10, 1316–1323, doi:10.3762/bjnano.10.130
- organisms [1]. All biological signal transport and transduction processes, including pain, haptics, vision, audition, olfaction, and muscular movement, as well as energy conversion and consumption are associated with ion transport [2][3]. For example, a plant injured on one leaf by a nibbling insect can
Scavenging of reactive oxygen species by phenolic compound-modified maghemite nanoparticles
Beilstein J. Nanotechnol. 2019, 10, 1073–1088, doi:10.3762/bjnano.10.108
- catalyzed by metal-ion cofactors, such as iron, copper, zinc, and manganese [3]. The non-enzymatic antioxidant defense uses glutathione, vitamins C and E, melatonin, catecholamines, and substances of plant origin, such as phenols and carotenoids, to interrupt undesirable ROS action. Phenolic compounds are
Structural and optical properties of penicillamine-protected gold nanocluster fractions separated by sequential size-selective fractionation
Beilstein J. Nanotechnol. 2019, 10, 955–966, doi:10.3762/bjnano.10.96
- ). Acetic acid (HAc, 99.5%) and concentrated hydrochloric acid (37%) were obtained from Beijing Chemical Plant (Beijing, China). Deuterium oxide (D2O, 99.9%) was purchased from Fluka (Buchs, Switzerland). Purified water was used to prepare all solutions which was from a Milli-Q-RO4 water purification system
Biological and biomimetic surfaces: adhesion, friction and wetting phenomena
Beilstein J. Nanotechnol. 2019, 10, 481–482, doi:10.3762/bjnano.10.48
- cross section of recent developments in this highly diverse and interdisciplinary field of research. The articles highlight recent achievements in the understanding of animal and plant surfaces in the broadest context of adhesion, friction, and wetting phenomena on one hand. On the other hand, they
- are devoted to surface-related effects in animal and plant surfaces, such as sandfish scales, wings of a ladybird beetle, tarsi of burying beetles, attachment devices of a sea star and a sea urchin, elytra of a backswimmer, leaves of an ice plant, and the wax layer of sacred lotus leaves. Seven of the
Ultraviolet patterns of flowers revealed in polymer replica – caused by surface architecture
Beilstein J. Nanotechnol. 2019, 10, 459–466, doi:10.3762/bjnano.10.45
- have been found in leaves, petals or seeds [17][18][19]. Whitney et al. [20] reported, for example, that this iridescence acts as a cue for pollinators and has also assumed such an effect in the UV-range. However, the influence of the plant surface structure – especially papillae – on UV-reflection up
- topography on the appearance of UV-patterns, we investigated the interaction between UV-light and the surface structures of three different plant species in this study. To consider several diverse surface structures we chose three species with distinct UV-patterns and different surface structures, for
- is described in Koch et al. [39] and is a suitable technique for the transfer of the surface topography of soft and fragile plant material to a rigid material in high precision down to the nanometer scale. Results and Discussion Images of flowers under environmental conditions were taken in the VIS
A comparison of tarsal morphology and traction force in the two burying beetles Nicrophorus nepalensis and Nicrophorus vespilloides (Coleoptera, Silphidae)
Beilstein J. Nanotechnol. 2019, 10, 47–61, doi:10.3762/bjnano.10.5
- of insect adhesion have been performed with ‘good plant climbers’ [4][5][6][7]. Although burying beetles can be observed climbing plants to reach a better position from which to start flying to their carrion resources [1], they do not primarily use their tarsi in the context of plant climbing
- clues concerning the mechanisms behind insect attachment. Although burying beetles appear not to be especially adapted to smooth and slippery plant surfaces, N. nepalensis is known as a ‘good climber’ [2] and both the investigated species exhibit, like other burying beetles [8], many tarsal adhesive
- made it possible to attain a more comprehensive view of the attachment capabilities of these beetles, which, according to their lifestyle, experience a broad variety of natural substrates ranging from soil, fur and carrion to plant surfaces (including fallen leaves). Interestingly, within insect
Nanocellulose: Recent advances and its prospects in environmental remediation
Beilstein J. Nanotechnol. 2018, 9, 2479–2498, doi:10.3762/bjnano.9.232
- continues to push for materials which are renewable, biocompatible, and less toxic as a replacement for CNTs. Given the abundance of plant resources, plant extracts are the most studied category to date for the synthesis of green nanomaterials [8]. Cellulose, one of the most abundant natural polymers, has
- domains [24] (Figure 2a). Due to the complex structure of cellulose fibre, the plant cell wall must be subjected to strong mechanical disintegration before turning the fibres into CNF [24]. The diameter of the fibres is commonly within the range of 10–100 nm, depending on the disintegration power [24]. In
- organisms through enzymatic polymerization of organic substrates such as sugar and glycerol [11][31]. The main difference between BC and other plant-derived CNFs is the absence of certain functional groups (except alcohol) and polymers (lignin, hemicellulose, and pectin) in BC [32]. Therefore, BC is known
Fabrication of photothermally active poly(vinyl alcohol) films with gold nanostars for antibacterial applications
Beilstein J. Nanotechnol. 2018, 9, 2040–2048, doi:10.3762/bjnano.9.193
- studies have reported the preparation and the antibacterial efficacy of PVA films containing plant extracts, silver nanoparticles or zinc oxide nanoparticles [17][18][19][20][21][22]. However, when bacteria start to form biofilms they become resistant and conventional antibiotics do not eradicate biofilms
SO2 gas adsorption on carbon nanomaterials: a comparative study
Beilstein J. Nanotechnol. 2018, 9, 1782–1792, doi:10.3762/bjnano.9.169
- conventional techniques such as absorption in liquids, the adsorptive removal of environmentally toxic gases, e.g., SO2, offers several advantages such as ease of regeneration, low maintenance and simple plant design [1][2]. Consequently, in the last few years a wide variety of adsorbents has been investigated
Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations
Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98
- human, animal, and plant activities by blocking and scattering the sunlight. The volcanically erupted particles may possess heavy metals that are toxic to humans [69]. The short-term effects of particles from volcanic eruptions include nose, throat, eye and skin irritations and bronchial symptoms, while
- [131][132]. Plant viruses have been found to be nontoxic towards human cells at required dosages for effective administration of the drug load [133][134]. Nanobacteria and nanobes: Generally, bacteria will bind to soluble, toxic heavy metals and precipitate them to their surface, producing metal NPs
- network (nanofibers) [188]. Plant surfaces, especially leaves, contain nanostructures that are used for numerous purposes such as insects sliding [189], mechanical stability [190], increased visible light and harmful UV reflection and radiation absorption respectively [191][192] as shown in Figure 6. The
Bioinspired self-healing materials: lessons from nature
Beilstein J. Nanotechnol. 2018, 9, 907–935, doi:10.3762/bjnano.9.85
- Joseph C. Cremaldi Bharat Bhushan Nanoprobe Laboratory for Bio & Nanotechnology and Biomimetics (NLBB), The Ohio State University, 201 W. 19th Avenue, Columbus, Ohio 43210-1142, USA 10.3762/bjnano.9.85 Abstract Healing is an intrinsic ability in the incredibly biodiverse populations of the plant
- . Every organism has evolved to occupy a specific role in the ecosystem, with underlying themes in reproduction, animal complexity, the food chain, and the environment [1][2][3]. Evolution has created a very large amount of diversity in the animal and plant kingdoms. Approximately 1 M of the 7.7 M animals
- thought to exist have been discovered [1][4][5], and on the order of 200,000 out of the 300,000 plant species thought to exist have been discovered [4][5]. This biological diversity has also resulted in incredibly diverse types of healing and injury prevention found throughout nature. Therefore, having a
Mechanistic insights into plasmonic photocatalysts in utilizing visible light
Beilstein J. Nanotechnol. 2018, 9, 628–648, doi:10.3762/bjnano.9.59
- capsids and DNA origami as biological scaffolds to increase fluorescence intensity by tuning the distance between capsid and Au NPs [155]. In recent years, the phytochemicals present in plant-based and waste materials have been used as reducing and stabilizing agents to prepare plasmonic metals (Au and Ag
Ultralight super-hydrophobic carbon aerogels based on cellulose nanofibers/poly(vinyl alcohol)/graphene oxide (CNFs/PVA/GO) for highly effective oil–water separation
Beilstein J. Nanotechnol. 2018, 9, 508–519, doi:10.3762/bjnano.9.49
- history of using plant cellulose fibers as reinforcements in polymer composite materials [13][14]. However, the use of nanoscale cellulose fibers to reinforce polymers is a relatively recent effort [15][16]. Despite the challenges described below, CNFs have been combined with various polymer matrices
Kinetics of solvent supported tubule formation of Lotus (Nelumbo nucifera) wax on highly oriented pyrolytic graphite (HOPG) investigated by atomic force microscopy
Beilstein J. Nanotechnol. 2018, 9, 468–481, doi:10.3762/bjnano.9.45
- ; crystallization; epicuticular wax; Lotus; Nelumbo nucifera; nonacosanol tubules; self-assembly; superhydrophobic; Introduction The plant cuticle, a cutin matrix embedded and covered by waxes provides a multitasking interface between plant and environment [1]. These waxes are either reside within the cutin layer
- (intracuticular wax) or deposited over the cutin surface (epicuticular wax) of primary plant organs. Being the first point of contact between plants and environment, the cuticle provides protection against water loss and external environmental stresses. Other important functions include control of transpiration
- , hydrophobicity, protection of photo synthetic cells, interaction with chemicals and other organisms, providing optical properties etc. [2][3][4][5][6][7][8][9]. Plant waxes are a conglomerate of various long chain (>C20) hydrocarbons, aldehydes, ketones, acids, alcohols etc. [10]. Further, cyclic compounds, e.g
Humidity-dependent wound sealing in succulent leaves of Delosperma cooperi – An adaptation to seasonal drought stress
Beilstein J. Nanotechnol. 2018, 9, 175–186, doi:10.3762/bjnano.9.20
- Olga Speck Mark Schlechtendahl Florian Borm Tim Kampowski Thomas Speck Plant Biomechanics Group, Botanic Garden, Faculty of Biology, University of Freiburg, Schänzlestraße 1, 79104 Freiburg, Germany Competence Network Biomimetics, Baden-Württemberg, Schänzlestraße 1, 79104 Freiburg, Germany
- the last 3.8 billion years of biological evolution, plants have increasingly evolved diverse mechanisms of wound reactions. High selective pressure on the development of self-repair in the plant kingdom and the independent evolution of various mechanisms of self-repair in the different plant groups
- and plant species is thus highly probable. During self-repair processes in all the plant species investigated so far, an initial self-sealing phase and subsequent self-healing phase can be discerned. The rapid self-sealing is characterised by a functionally repaired but still present fissure. This
Review on optofluidic microreactors for artificial photosynthesis
Beilstein J. Nanotechnol. 2018, 9, 30–41, doi:10.3762/bjnano.9.5
- utilize sunlight, water and CO2 to synthesize energy-rich carbohydrates [10][11]. The chloroplast is the place where NPS occurs. To clearly introduce this organelle, progressively smaller structures (plant cell, chloroplast, thylakoid membrane) of a general leaf are shown in Figure 1A–D. Each chloroplast
- typical plant leaf. (B) Chloroplasts inside the plant cells. The average size of the chloroplasts is 6 µm (ranging from 3 to 10 µm). (C) Plant cell chloroplast structure. Adapted from [22], copyright BioMed Central Ltd. 2014. (D) Thylakoid membrane containing photosystem II reaction centers P680 and
Surfactant-induced enhancement of droplet adhesion in superhydrophobic soybean (Glycine max L.) leaves
Beilstein J. Nanotechnol. 2017, 8, 2345–2356, doi:10.3762/bjnano.8.234
- applied droplets, even on superhydrophobic leaves, to reduce undesirable soil contamination by roll-off of agrochemical formulations from the plant surfaces. The wettability and morphology of soybean (Glycine max L.) leaf surfaces before and after treatment with six different surfactants (Agnique® SBO10
- higher plant surfaces, represents the interface between plants and their environment and accomplishes essential functions to ensure the maintenance of a terrestrial plant life, such as the reduction of water loss [1], control of gas exchange [2][3], protection from harmful UV radiation [4] and aiding
- mechanical stability [5]. Furthermore, the cuticle interacts with its biotic environment and plays a crucial role for insect signaling [6] and insect attachment [7][8][9]. The leaf surfaces are composed of epidermis cells covered by a cuticle, which is a continuous extracellular membrane on primary plant
Air–water interface of submerged superhydrophobic surfaces imaged by atomic force microscopy
Beilstein J. Nanotechnol. 2017, 8, 1671–1679, doi:10.3762/bjnano.8.167
- most complex plant surfaces is exhibited by the giant floating fern Salvinia molesta (Figure 1a,b). With its elastic egg-beater-like shaped trichomes and chemical heterogeneities [5], the fern is capable of maintaining a stable air layer underwater for several weeks. Another example is the backswimmer
Development of a nitrogen-doped 2D material for tribological applications in the boundary-lubrication regime
Beilstein J. Nanotechnol. 2017, 8, 1476–1483, doi:10.3762/bjnano.8.147
- in tribological properties can be attributed to the sliding mechanism of N-rGO accompanied by the high mechanical strength of graphene. Further, the nanolubricant is prepared at large scale (700 liter) and field trials are carried out at one NTPC thermal plant in India. The implementation of the
- heat transfer fluid and decreases the temperature at friction interfaces. Application of the nanolubricant in induced draft (ID) fans Stable nanolubricants were prepared in large scale (700 liter) for field trial at a power plant of the National Thermal Power Corporation (NTPC) in India. The study was
- Information Supporting Information File 152: Additional experimental data. Acknowledgements This research work is supported by NTPC Ltd and authors are grateful to NTPC management for permission to publish this work. The help received from plant engineers is thankfully acknowledged.
Growth, structure and stability of sputter-deposited MoS2 thin films
Beilstein J. Nanotechnol. 2017, 8, 1115–1126, doi:10.3762/bjnano.8.113
- electrocatalysis applications of our PVD MoS2 films. Experimental Magnetron sputter deposition MoS2 deposition was undertaken in a modified, industrially compatible sputtering plant (Pfeiffer Vakuum, Germany). Thin films have been sputter deposited by an unbalanced cathode from AJA (AJA International, North
Other Beilstein-Institut Open Science Activities
