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Search for "plant" in Full Text gives 149 result(s) in Beilstein Journal of Nanotechnology.
Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes
Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26
- sulfadimethoxine considerably slow down plant growth. Additionally, tetracyclines have phytotoxic effects that may result in chromosomal abnormalities and the reduction of plant growth. Although β-lactams are thought to be less harmful, they also have an impact on the plastid division in lower plants [48][67]. The
Atmospheric water harvesting using functionalized carbon nanocones
Beilstein J. Nanotechnol. 2023, 14, 1–10, doi:10.3762/bjnano.14.1
- ), which use hierarchical nano/microstructures to collect water. Some examples are the Trifolium pratense plant, the Cotula fallax cactus, and the Uloborus walckenaerius spider [14][15][16]. Usually, these biomimetic designs have an asymmetrical shape that energetically drives the directional transport of
In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles
Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124
- where plant extracts are used to synthesize nanoparticles. The nanoparticles can be produced in a simple, inexpensive, and scalable way, with low reaction time and in aqueous media. Since no toxic by-products are generated, these methods are eco-friendly [1]. Silver nanoparticles (AgNPs) are commonly
- lot of attention, given that cancer is a pathology with high incidence rates worldwide. In particular, breast cancer is highly aggressive and can metastasize, spreading to other organs through lymphatic and blood systems [7][8]. Several plant extract metabolites are known to have the ability to reduce
- the Ag+ ion of the AgNO3 salt to Ag0. In this way, silver nuclei are generated and join to form nanoparticles, which are stabilized (via capping) by the same metabolites that are involved in the oxidation–reduction process [9]. Various plant parts have been used to generate AgNPs. Amongst these parts
Straight roads into nowhere – obvious and not-so-obvious biological models for ferrophobic surfaces
Beilstein J. Nanotechnol. 2022, 13, 1345–1360, doi:10.3762/bjnano.13.111
- which a suitable biological model is sought. The “Lotus effect” belongs to the first class. It was identified by Wilhelm Barthlott and suggested (later accompanied by one of the co-authors, C. Neinhuis) as relevant for surface technology. The highly water-repellent plant cuticles, which are equipped
- constitute a good model for the interaction between liquid iron and blast furnace tuyères because of the following considerations: As described above, existing mathematical models are highly idealised and cover only partial aspects of the interaction between plant or animal, water and air layer. The
- principle was aimed at in the research project “Energy self-sufficient fibre based long-distance transport of liquids” (see appendix A). The xylem is the plant tissue that transports water from the roots to the leaves. In trees and shrubs, the xylem is represented by the wood. It consists of conduits of
Application of nanoarchitectonics in moist-electric generation
Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99
- commonly used because cellulose is easy to obtain. The main component of plant cell walls in nature is cellulose, and more than 50% of the carbon content of plants in nature is cellulose. Cotton contains almost 100% cellulose, therefore, cellulose is abundant in nature and can be used to fabricate MEG
Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application
Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94
- physical routes have their own disadvantages, such as adverse environmental effects due to the use of environmentally unfriendly chemicals or to the release of heat into the environment [17]. Therefore, the development of green approaches is necessary. The biosynthetic process using plant extracts as an
- alternative route is a promising method for synthesizing nanomaterials due to its rapid, low-cost protocol, and safety to the environment [18]. Numerous studies applied green methods for the synthesis of ZnO nanoparticles from plants, fruits, plant extracts, and seaweeds [19][20][21][22]. Rafaie et al. [23
- applications. Nava et al. [26] prepared ZnO NPs using Camellia sinensis extracts and applied ZnO NPs to degrade methylene blue (MB). Ambika et al. [12] synthesized ZnO by a green method using a precursor from the Vitex negundo plant extract and zinc nitrate, and antimicrobial properties of ZnO NPs were
Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications
Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93
- especially focuses on the recent advancement (2015–2022) in the green synthesis of CDs, their application in metal ions sensing and microbial bioimaging, detection, and viability studies as well as their applications in pathogenic control and plant growth promotion. Keywords: bioimaging; carbon dots; carbon
- quantum dots; green synthesis; plant growth promotion; sensing; Introduction Carbon dots (CDs) are a carbon-based nanomaterial with a few nanometers feature sizes. CDs consist of a carbon core, the surface of which is functionalized with various groups. Xu et al. accidentally discovered fluorescent
- synthesis of CDs, the effects of surface states on optical properties, the characterization of CDs, metal ion sensing, and biological and agricultural applications of CDs, that is, microbial bioimaging, detection, and viability studies, pathogen control, and plant growth promotion (Figure 1). Review Green
Interaction between honeybee mandibles and propolis
Beilstein J. Nanotechnol. 2022, 13, 958–974, doi:10.3762/bjnano.13.84
- plant are deprived of further reproduction, which exerts a significant evolutionary selection pressure. The honeybee (Apis mellifera) was chosen as a possible model because it collects and processes propolis, a sticky and ductile material, that is created by mixing plant resins, wax, and other
- of Young’s modulus and work of adhesion obtained from adhesion experiments was performed by calculating the Pearson correlation coefficient. Results Honeybee mandible When bees handle propolis, the mandibles are the first surfaces that will come into contact with plant resin or propolis. They were
Design of a biomimetic, small-scale artificial leaf surface for the study of environmental interactions
Beilstein J. Nanotechnol. 2022, 13, 944–957, doi:10.3762/bjnano.13.83
- with its superimposed epicuticular waxes represents the barrier of all aboveground parts of higher plant primary tissues. Epicuticular waxes have multiple effects on the interaction of plants with their living and non-living environment, whereby their shape, dimension, arrangement, and chemical
- composition play significant roles. Here, the ability of self-assembly of wax after isolation from the leaves was used to develop a small-scale wax-coated artificial leaf surface with the chemical composition and wettability of wheat (Triticum aestivum) leaves. By thermal evaporation of extracted plant waxes
- wetting properties of a natural leaf surface. Keywords: recrystallization; surface properties; wax composition; wetting; wheat; Introduction Cuticle One of the largest interfaces on earth is formed by thin layers that are a few nanometers to micrometers thin, namely the wax layers of the plant cuticle
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions
Beilstein J. Nanotechnol. 2022, 13, 807–816, doi:10.3762/bjnano.13.71
- surfaces might contribute to the plant adaptation to severe environmental conditions in Antarctica due to an increase of its resistance against cold temperatures, icing, harmful UV radiation, and dehydration. The presence of the epicuticular wax on the abaxial leaf side and the ligule as well as the
- hierarchical structure of the wax coverage on both leaf surfaces is described in D. antarctica for the first time. Keywords: cryo-SEM; microstructure; plant; surface; wax projection; Introduction The Antarctic hair grass Deschampsia antarctica É. Desv. (Poaceae) is one of the only two flowering plants native
- flowering plant species native to Antarctica, the Antarctic pearlworts Colobanthus quitensis Kunth Bartl. (Caryophyllaceae), which is rather rare and mainly relays on an avoidance strategy (i.e., it grows near higher clumps of D. antarctica or in hollows between stones avoiding direct influence of
Ethosomal (−)-epigallocatechin-3-gallate as a novel approach to enhance antioxidant, anti-collagenase and anti-elastase effects
Beilstein J. Nanotechnol. 2022, 13, 491–502, doi:10.3762/bjnano.13.41
- they contain sufficient water content in their structure [9]. In the literature, there is only one review study of nanocarriers in which ETHs, developed with natural compounds/plant extracts, are used in the field of cosmetics. In that study, information is given about the use of ETHs developed with
- different plant extracts other than EGCG [15]. In this current study, we aimed to develop ethosomal formulations for the use of EGCG in cosmetics due to its widely known strong antioxidant effect, which has been emphasized in many studies. In addition, we focused on enhancing the long-term antioxidant
- comparatively examined, it was once again proved that nanovesicles loaded with photoprotective plant extracts included in the creams were effective in penetrating through the skin, as a result of moisturizing lipid components, and it also showed a positive effect on skin hydration [36]. Antioxidant activity In
Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation
Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26
- gas in power plants presents a promising route [4]. There are mainly three types of CO2 recovery systems, namely, pre-combustion, post-combustion, and oxyfuel combustion. After the recovery of CO2, separation of CO2 from N2 (i.e., the main gas in power plant flue gas) or CH4 (i.e., the main gas in
Sputtering onto liquids: a critical review
Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2
- synthesis also attract the attention of many researchers due to the “environmentally friendly” nature of these processes, promoted by involving biological systems or by being related directly to biological systems [20][23]. These methods use, among others, bacteria, fungi, viruses, yeasts, and plant
- extracts to synthesize NPs. Although bio-assisted procedures are very promising, the major problem is the reproducibility of the processes. Besides, the exact mechanisms underlying the NP formation using green plant extracts have not been elucidated yet. Finally, their large-scale use is limited by the
- presence of undesired contaminants, such as fragments of biological materials, which require complicated, expensive, and time-consuming purification procedures. Bio-assisted methods can be divided into three categories according to the system used: (i) microorganisms, (ii) biomolecules, and (iii) plant
Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae)
Beilstein J. Nanotechnol. 2021, 12, 1326–1338, doi:10.3762/bjnano.12.98
- Venkata A. Surapaneni Tobias Aust Thomas Speck Marc Thielen Plant Biomechanics Group, Botanic Garden, Faculty of Biology, University of Freiburg, Schänzlestrasse 1, 79104 Freiburg, Germany FIT, Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, 79110
- .12.98 Abstract The plant cuticle is a multifunctional barrier that separates the organs of the plant from the surrounding environment. Cuticular ridges are microscale wrinkle-like cuticular protrusions that occur on many flower and leaf surfaces. These microscopic ridges can help against pest insects by
- reducing the frictional forces experienced when they walk on the leaves and might also provide mechanical stability to the growing plant organs. Here, we have studied the development of cuticular ridges on adaxial leaf surfaces of the tropical Araceae Schismatoglottis calyptrata. We used polymer replicas
Self-assembly of Eucalyptus gunnii wax tubules and pure ß-diketone on HOPG and glass
Beilstein J. Nanotechnol. 2021, 12, 939–949, doi:10.3762/bjnano.12.70
- that ß-diketone tubules are formed by self-assembly and confirmed that ß-diketone is the shape-determining component for this type of tubules. Keywords: ß-diketone tubules; eucalyptus; plant wax; recrystallization; self-assembly; Introduction The plant cuticle, which is the largest biological
- protect plants from environmental stress [4]. Waxes are, thereby, essential for a variety of functions, especially in the wettability and self-cleaning ability of plant surfaces [5][6]. Plant waxes consist of a complex mixture of aliphatic and aromatic compounds. The exact chemical composition of the wax
- varies between plant species and ontogeny of plant organs [7]. Typical wax components are hydrocarbons (C20 to C40) and derivatives, such as fatty acids, aldehydes, and alcohols. Cuticular waxes can be classified according to their location in intra- and epicuticular waxes. The former is incorporated
The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles
Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69
- monodispersed nanoparticles, an essential criterion for their intended application and a limitation of the green synthesis of nanoparticles using plant extracts. Several biocompatible counterparts such as polymers, lipids, and chitosan-based nanoparticles have been successfully used in the synthesis of safe
Physical constraints lead to parallel evolution of micro- and nanostructures of animal adhesive pads: a review
Beilstein J. Nanotechnol. 2021, 12, 725–743, doi:10.3762/bjnano.12.57
- with their surroundings due to their outer appearance [184][186][187][194][203]. This visual camouflage evolved prior to the emergence of angiosperms, when gymnosperms represented the majority of plant diversity [204][205]. The oldest fossil record for stick insects dates back to 165 mya (Jurassic) and
- also led to several counter-adaptations against herbivory on the plant side (e.g., [214][215][216][217]). While plants evolved defence strategies to repel the herbivorous stick insects, the latter evolved strategies to overcome the strategies developed by the plants [218][219][220][221][222][223][224
- changes in the surface geometry of functional microstructures have already been shown to arise within less than 5000 years [229][230]. The ecomorphological specialization, influenced by the ability of the insects to securely attach to the surface of a specific plant, contributes to the specialization of
The preparation temperature influences the physicochemical nature and activity of nanoceria
Beilstein J. Nanotechnol. 2021, 12, 525–540, doi:10.3762/bjnano.12.43
- , University of Kentucky, Lexington, Kentucky, 40506-0046, USA Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky, 40546-0091, USA Chemistry, University of Kentucky, Lexington, Kentucky, 40506-0055, USA 10.3762/bjnano.12.43 Abstract Cerium oxide nanoparticles, so-called nanoceria, are
A review on the biological effects of nanomaterials on silkworm (Bombyx mori)
Beilstein J. Nanotechnol. 2021, 12, 190–202, doi:10.3762/bjnano.12.15
- range of 1–100 nm [18][19], is considered a new technological revolution in science. In agriculture, nanotechnology has provided solutions for issues related to plant protection, nutrition, and pesticide resistance [20][21][22]. For example, 250 µg/mL of magnesium dioxide nanoparticles (MgO NPs) has
A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures
Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9
- compounds. The term used for addressing these methods is also referred to as “biological” synthesis. Previous studies have used bacteria [167][168][169][170], fungi [171][172][173][174], viruses [175][176], yeasts [177][178][179], plants [180][181][182][183] and plant extracts [166][184][185][186][187][188
- attention has been recently given to plant-mediated synthesis because of its simple culturing procedures and potential for scale-up [181][219]. Various green synthesis studies from the literature were gathered and compared, giving one a clear and broad overview of the green synthesis processes. We then show
- how plant-mediated synthesis can emerge as a novel and alternative methodology towards the synthesis of 1D silver nanostructures, which have several applications in electronics. Finally, novel future directions including application of in situ characterization techniques in the course of reaction
Bio-imaging with the helium-ion microscope: A review
Beilstein J. Nanotechnol. 2021, 12, 1–23, doi:10.3762/bjnano.12.1
- recent developments reported for bio-imaging using HIM for biological, medical, plant, animal, microbiology, virology, and geomicrobiology studies. We briefly discuss the imaging, detection, and analytical technologies which make the HIM so powerful and explain why these technologies have been so
- milling and imaging. Plant imaging was done on the model species Arabidopsis thaliana. The HIM images of the uncoated cuticle samples showed fine textures and minute ridges not discernible in the low-voltage field-emission SEM images of the same samples. Arabidopsis samples were also HIM-imaged by Curtin
Functional nanostructures for electronics, spintronics and sensors
Beilstein J. Nanotechnol. 2020, 11, 1704–1706, doi:10.3762/bjnano.11.152
- , the Sunway Taihu Light [2], with a peak performance of 93 peta FLOPS (93 × 1015 floating point operations per second) has an energy consumption as high as 15.4 MW. This corresponds to a power plant capacity able to supply energy to a middle-sized city! The low energy efficiency leads to high power
Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action
Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129
- friendly biosynthetic nanoparticles as antimicrobial agents. Several ecological routes have been investigated, focusing on the search for natural resources. Methods based on the biological synthesis of nanoparticles through the usage of plant extracts [76][77], raw materials from fruits and vegetables [78
- , eliminating an additional step to prevent particle aggregation [86]. In addition, cell culture procedures are not necessary in this case, which allows for the large-scale synthesis of nanoparticles in a non-aseptic environment [87]. Furthermore, plant-based processes are cost-effective and safe for humans and
Plant growth regulation by seed coating with films of alginate and auxin-intercalated layered double hydroxides
Beilstein J. Nanotechnol. 2020, 11, 1082–1091, doi:10.3762/bjnano.11.93
- Professor Lineu Prestes, 748, CEP 05508-000, São Paulo-SP, Brazil 10.3762/bjnano.11.93 Abstract Auxins are a class of organic substances known as plant-growth regulators, which act on plant physiology, promoting its full development. However, due to the great instability of these substances among the
- auxin 1-naphthalenoacetic acid (ZnAl-NAA-LDH), (ii) the coating of bean seeds (Phaseolus vulgaris L.) with composite films produced from mixtures of alginate polymer and ZnAl-NAA-LDH, and (iii) the evaluation of the plant response by bioassays. The hybrid ZnAl-NAA-LDH was characterized by a set of
- , fresh root matter and shoot length of plants. Thus, films produced from a mixture of alginate and the hybrid material containing the growth regulator intercalated into LDH can be a viable alternative to enhance plant development, which can be included in seed management. Keywords: bioassays
Brome mosaic virus-like particles as siRNA nanocarriers for biomedical purposes
Beilstein J. Nanotechnol. 2020, 11, 372–382, doi:10.3762/bjnano.11.28
- Educación Superior de Ensenada, Baja California, (CICESE), Ensenada, Baja California, México 10.3762/bjnano.11.28 Abstract There is an increasing interest in the use of plant viruses as vehicles for anti-cancer therapy. In particular, the plant virus brome mosaic virus (BMV) and cowpea chlorotic mottle
- and the gene silencing. In addition, BMV VLP carring siAkt1 inhibited the tumor growth in mice. These results show the attractive potential of plant virus VLPs to deliver molecular therapy to tumor cells with low immunogenic response. Keywords: anti-cancer therapy; brome mosaic virus (BMV); cowpea
- chlorotic mottle virus (CCMV); nanocarriers; plant virus-like particles (VLPs); siRNA delivery; small interfering RNA (siRNA); Introduction Despite many efforts taken, the efficient and specific delivery of therapeutic molecules to tumor cells is still a unsolved challenge. Cancer therapies are often
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