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Wyszukujesz frazę "nanotechnology," wg kryterium: Temat

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Demonstration of Wet Chemical Synthesis of Nanomaterials for High School Students
    Autorzy:
    Acharyya, Swarnali
    Acharyya, Sarani
    Samanta, Pijus Kanti
    Powiązania:
    https://bibliotekanauki.pl/articles/1031206.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Chemical Synthesis
    Electronics
    Nanomaterials
    Nanotechnology
    School-education
    Opis:
    Nanotechnology is the most emerging branch of science and technology leading to the development of devices starting from electronics to biomedical devices. It is thus desired that the students should have basic idea of this new emerging technology during their school education. Experimental demonstration of simple experiments of synthesizing nanomaterials and demonstration of its properties are very much important in motivating the students to learn this new technology. Wet chemical synthesis method is a simple and cost-effective method that can be adopted in the chemistry laboratory of higher secondary level school education in India. This hands-on experience will encourage the students to enter more into this nanotechnology.
    Źródło:
    World Scientific News; 2020, 148; 15-26
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nanotechnology in textile industry
    Autorzy:
    Miśkiewicz, Pamela
    Powiązania:
    https://bibliotekanauki.pl/articles/1177757.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    innovations in textiles
    nanofibers
    nanotechnology in textiles
    Opis:
    The article presents the application of nanotechnology in the textile sector. Textile engineering has been shown as an interdisciplinary field of science. Contemporary textile and clothing industry is based on the cooperation of different scientific fields including materials science, medicine, cosmonautics, nanotechnology and chemistry. At present, fast development is observed of innovative products in the clothing industry, and above all, of technical products.
    Źródło:
    World Scientific News; 2018, 100; 74-85
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterization and biosynthesis of silver nanoparticles using a fungus Aspergillus niger
    Autorzy:
    Ninganagouda, S.
    Rathod, V.
    Singh, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/10827.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    biosynthesis
    silver nanoparticle
    fungi
    Aspergillus niger
    nanotechnology
    microorganism
    Opis:
    An attractive possibility of green nanotechnology is to use microorganisms in the synthesis of silver nanoparticles. Recently, the biosynthesis especially from fungi has emerged as a novel method for the synthesis of silver nanoparticles. Nanoparticles are considered as building blocks of Nanotechnology. In the present work we have screened fungi for the extracellular production of silver nanoparticles. Aspergillus sps, Rhizopus sps, Fusarium sp. and Penicillium sp. were the isolates screened and subjected to silver nanoparticles production. Of the tested isolates, the fungus Aspergillus sp. showed maximum absorbance at 416 nm which is an indication of Silver nanoparticles production. Further characterization was made by TEM which revealed the shape to be spherical and size ranged between 20-55 nm, EDS showed the presence of elemental silver at 3kev, FTIR spectrum showed the different functional groups, XRD spectrum showed the crystalline nature of the particles and AFM revealed three dimensional structures of the nanoparticles. Of all kinds of nanoparticles silver nanoparticles show great promise in terms of biomedical applications as they exhibit different biomedical activities.
    Źródło:
    International Letters of Natural Sciences; 2014, 10
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nano-silver as a potential biostimulant for plant – A review
    Autorzy:
    Byczyńska, Andżelika
    Powiązania:
    https://bibliotekanauki.pl/articles/1178285.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cut flowers
    growth regulator
    nanomaterials
    nanotechnology
    ornamental foliage
    Opis:
    Nanotechnology, as one of the most promising fields of science, brings unlimited possibilities of development of many areas, including agriculture and horticulture. Nano-silver is one of the nanomaterials that its effect on plants are under investigation nowadays. Numerous experiments conducted by scientists evaluated the possibility of using nano-silver as an potential plant growth regulator for crops, and also as a means to extend the post-harvest longevity of cut flowers and ornamental foliage. This paper summarizes a comprehensive and systematic study of the data on nano-silver activity and its application in horticulture, postharvest handling and storage of cut flowers and florist greens.
    Źródło:
    World Scientific News; 2017, 86, 3; 180-192
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of improved (nano) systems on cultivated corn growth, development and field
    Autorzy:
    Voropaeva, V.
    Karpachev, V.
    Varlamov, V.
    Figovsky, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/412494.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    nanotechnology
    agricultural
    seeds
    soya
    biopesticides
    immunomodulators
    elicitors
    fungicide
    nanochips
    Opis:
    Using physiologically active, complex, polyfunctional, multicomponent (nano) systems – (nano) chips in the pre-sowing soya treatment (nano) technology allows precise seeding; enhancing field seed germination; reducing plant morbidity rate considerably or even deleting disease incidents; increasing plant adaptability to unfavorable environmental conditions; expanding crop yield; improving products quality by not using toxic chemical means of plant protection; intensifying competitive ability of agricultural products as well as assuring environmental safety in crop cultivation regions.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 9; 1-7
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nanotechnology in Communication Engineering: Issues, Applications, and Future Possibilities
    Autorzy:
    Elmustafa, S. Ali Ahmed
    Sohal, Harwinder Singh
    Powiązania:
    https://bibliotekanauki.pl/articles/1182754.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Molecular Nano Technology (MNT)
    Molecular communication
    Nano machines
    Nano-communications
    Nanotechnology
    Opis:
    Nanotechnology nowadays became the most amazing studies developed and an active research areas in many fields including civil, chemical engineering, electronics, and medicine, also in materials. In modern sciences, nanotechnology is considered as the next industrial revolution which it may give more possibilities exceed our expectations in many fields. In telecommunication engineering nanotechnology could provide effective solutions for power efficient computing, sensing, memory enlargement, and human machine interaction. Nanotechnology in communication systems also provides ability for manufacturers to produce computer chips and sensors that are considerably smaller, faster, more energy efficient, and cheaper to manufacture than their present-day modules. In this paper an overview of many issues related to nanotechnology in communication systems are discussed, and also paper will provides a brief ideas of the potential application of various nanotechnology developments in the communication systems and the potential for future possibilities researches that may lead to improved communication systems.
    Źródło:
    World Scientific News; 2017, 66; 134-148
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on biosynthesis of silver nanoparticles using Rhizopus sp. and its antibacterial efficacy on E. coli MDR strains
    Autorzy:
    Hiremath, J.
    Rathod, V.
    Ninganagouda, S.
    Singh, D.
    Prema, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/11479.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    biosynthesis
    silver nanoparticle
    Rhizopus
    antibacterial activity
    Escherichia coli
    multidrug resistance
    nanotechnology
    Opis:
    Nanotechnology is a field that is burgeoning day by day, making an impact in all spheres of human life. Biological methods of synthesis have paved way for the “greener synthesis” of nanoparticles and these have proven to be better methods due to slower kinetics, they offer better manipulation and control over crystal growth and their stabilization. In this context we have investigated extracellular biosynthesis of silver nanoparticles (AgNPs) using cell-free extract of Rhizopus spp.. Formation of AgNPs was indicated by the change in the colour of the cellfree extract from yellow to dark brown under static condition after 48 hrs of incubation. Characterization of AgNPs was carried out by UV-Vis Spectroscopy which gave sharp plasmon resonance peak at 429 nm corresponding to spherical shaped nanoparticles. Transmission electron microscopy (TEM) micrograph showed formation of well-dispersed AgNPs in the range of 25-50 nm. Scanning electron microscopy (SEM) showed the particles to be uniformly dispersed without agglomeration with smooth morphology. EDS showed the presence of elemental silver at 3kev. X-ray diffraction (XRD)-spectrum of the AgNPs exhibited 2θ¸ values corresponding to nanocrystal. These biosynthesized AgNPs were used to study their antimicrobial activity against Multi-drug resistant (MDR) E. coli strains, by Agar diffusion method. Zone of inhibition was measured. Synthesis of nanosized particles with antibacterial properties, which are called "nanoantibiotics", is of great interest in the development of new pharmaceutical products.
    Źródło:
    International Letters of Natural Sciences; 2014, 18
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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