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Wyświetlanie 1-10 z 26
Tytuł:
Biological Approach for the Synthesis and Characterization of Zinc Oxide Nanopaticles from Croton bonplandianum Baill. Extracts
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1112329.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Croton bonplandianum
Plant extracts
UV-Visible spectrophotometry
Zinc oxide nanoparticles
Opis:
The biogenesis of nanoparticles recently gained more attention. Here, we report the biogenesis of zinc oxide (ZnO) nanoparticles using aqueous extracts of the leaves, stem, root, flowers and fruits of Croton bonplandianum Baill. at room temperature. Croton bonplandianum is an important medicinal plant used to cure many pathological conditions in the traditional systems of Indian medicines due to the presence of important and specific bioactive compounds in the plant parts of this plant. Aqueous solution of Zinc Nitrate hexahydrate [Zn(NO3)2·6H2O] was used as a precursor and the various plant extracts played as reducing agents. The formation of ZnO nanoparticles was monitored by UV-Visible spectrophotometric analysis. The leaf extract showed strong absorbance peak at 302 nm, stem and fruit at 293 nm, root at 290 nm and flowers at 305 nm.
Źródło:
World News of Natural Sciences; 2018, 19; 95-107
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative foliar micromorphological studies of in vitro and field transferred plants of Duranta erecta L.
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1192676.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Duranta erecta
micropropagation
micromorphology
stomatal index
trichomes
Opis:
The micromorphological studies of in vitro and field transferred plants of Duranta erecta were conducted in the present investigation. The nodal shoot segments were used as explants for the establishment of cultures. The shoots were multiplied on MS medium (Murashige and Skoog) supplemented with 6-benzylaminopurine (BAP), kinetin (Kin) and Naphthalene acetic acid (NAA). In vitro multiplied shoots were rooted on half strength MS medium augmented with indole-3 butyric acid (IBA). The rooted plantlets were successfully hardened and field transferred. A comparative foliar micromorphological studies were made of in vitro grown and field transferred plants to understand the developmental changes of micro-external structures of plants towards environment. The differences in leaf constants such as stomata, vein-islets and termination numbers and trichomes across the environments imply the developmental changes of micropropagated plants of Duranta erecta.
Źródło:
World Scientific News; 2016, 47, 2; 318-328
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Foliar Micromorphological and Architectural Studies of Glory Lily (Gloriosa superba L.) – An Important Medicinal Plant
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1192844.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Gloriosa superb
Stomatal morphology
Crystals
Cuticular Wax
Opis:
Foliar micromorphological study of plants describes the distinct structure and functions of foliar tissues. The structural analysis of G. superba epidermal tissues and leaf architecture revealed the stomatal type, morphology and their orientation, cuticular wax deposition, crystal arrangement and venation pattern. The stomatal density was observed maximum on abaxial epidermis. The epidermis contained ordered stomatal pattern with anomocytic stomata. The stomatal density and stomatal index was 12.0 and 29.0 respectively. The parallel lower order veins and perpendicular higher order veins form a grid-like network of venation pattern in G. superba. Con-vallaria type of cuticular wax was observed. The results of the foliar features could be applied in systematic studies and also to predict the environmental factors responsible for the development of certain leaf parameters.
Źródło:
World Scientific News; 2016, 59; 63-73
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micropropagation of Russelia equisetiformis Schlecht & Cham. through nodal segment culture
Autorzy:
Shekhawat, Mahipal S.
Manokari, M.
Powiązania:
https://bibliotekanauki.pl/articles/1193907.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Russelia equisetiformis
cytokinins tested
hardening
in vitro
rooting
Opis:
An in vitro regeneration protocol of Russelia equisetiformis was established through nodal shoot segments cultured on Murashige and Skoog medium (MS) supplemented with different concentration and combination of cytokinins and auxins in the present study. Cent percent bud breaking response with maximum number of shoots (6.0) was observed on MS medium augmented with 1.0 mg/L 6-benzylaminopurine (BAP). Shoots multiplication further enhanced by repeated subculturing of in vitro shoots on MS medium with 1.0 mg/L BAP + 0.5 mg/L Kinetin (Kn) and additives. Maximum 13.2 shoots with 7.8 cm length were differentiated. Healthy shoots were rooted with high frequency (97%) on half strength MS medium containing 1.0 mg/L indole-3 butyric acid (IBA) with maximum number of roots (5.73). The in vitro regenerated plantlets were hardened in greenhouse and transferred to nursery with 85% survival rate.
Źródło:
World Scientific News; 2015, 23; 117-127
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implications of Auxins in Induction of Adventitious Roots from Leaf Explants of Cannon Ball Tree (Couroupita guianensis Aubl.)
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1191424.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Adventitious roots
Couroupita guianensis
Half strength MS medium
Lecythidaceae
Opis:
An effective protocol has been developed for the adventitious root culture of Cannon Ball tree (Couroupita guianensis Aubl.) from the leaves of in vitro germinated 30 days’ old seedlings. Seeds germinated on cytokinins and auxins supplemented with Murashige and Skoog (MS) medium. Half strength MS medium supplemented with 2.0 mg/L indole-3-butyric acid (IBA) was found the most suitable for the induction of adventitious roots (92%) from the midrib region of the leaves than the other auxins. The roots were proliferated on half strength MS liquid medium supplemented with IBA 0.5 mg/L. After eight weeks of inoculation the roots in the medium yielded 5.933 ±0.135 gm fresh and 2.731 ±0.010 gm dry biomass of adventitious roots. The growth rate was increased by 8-9 folds in this investigation.
Źródło:
World Scientific News; 2016, 33; 109-121
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of Crotalaria verrucosa L. extracts in synthesis of Zinc oxide nanoparticles
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1182882.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
crotalaria verrucosa
zinc nitrate
broth solutions
surface plasmon resonance
Opis:
Green synthesis of metal (zinc) oxide nanoparticles is a fascinating subject in the field of nanobiotechnology. Nanoparticles using green plants are suitable for large scale biosynthesis at room temperature with affordable price and eco-friendly nature. The stable nanoparticles were synthesized using leaves, stem, roots, flowers, immature and mature seeds extracts of Crotalaria verrucosa. Zinc Nitrate hexahydrate [Zn(NO3)2•6H2O] was used as precursor material in this experiment. The formation of nanoparticles was monitored by visual color changes and UV-Visible spectrophotometric analysis. UV-Visible absorption peaks between 299-317 nm confirmed the presence of ZnO at nano-scale. The present technique confirmed that this plant species could be explored in the field of nanotechnology for human welfare.
Źródło:
World Scientific News; 2016, 53, 3; 230-240
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis of Zinc oxide nanoparticles from Clitoria ternatea L. extracts: a green approach
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1189980.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Biogenesis
Zinc oxide nanoparticles
Clitoria ternatea
UV-Visible characterization
Opis:
We report the development of green methods for synthesis of zinc oxide at nano scale. Biological systems are being explored for the synthesis of nanoparticles. The plant Clitoria ternatea contains alkaloids, tannins, glycosides, resins, steroids, saponins, flavonoids, phenols, kaempferol, clitorin, taraxerol, aparajitin, sistosterol, hexacosanal and anthoxanthin. The whole plant is traditionally used to treat leprosy, bronchitis, inflammation, leucoderma and tuberculosis. The present report describes the biosynthesis and characterization of zinc oxide nanoparticles using aqueous extracts of leaves, stem, root, flowers and fruits of Clitoria ternatea. The aqueous reaction mixture of leaf, flower petals and roots showed strong broad UV spectral peak at 296 nm, stem at 293 nm and roots at 311 nm.
Źródło:
World Scientific News; 2016, 52; 216-227
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecofriendly synthesis of Zinc oxide nanoparticles from asthma plant - Euphorbia hirta L.
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1182444.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Absorption spectrum
Euphorbia hirta
Reaction mixtures
Zinc oxide nanoparticles
Opis:
The present study states about the biosynthesis and UV-Visible characterization of Zinc oxide (ZnO) nanoparticles using leaf, stem, roots and inflorescence of the medicinal herb Euphorbia hirta. The aqueous extracts of plant parts were acted as capping and reducing agent while Zinc Nitrate Hexahydrate used as precursor. One milliliter of plant extracts mediated the formation of ZnO nanoparticles in solution which were visually confirmed by the development of yellowish color in the reaction mixtures. The optical properties of the reaction mixtures were analyzed by the UV-Visible double beam spectrophotometer. The leaf reaction mixture showed strong absorption band at 302nm, stem reaction mixture at 299nm, and the root and inflorescence reaction mixtures at 310nm. The results indicate that whole Euphorbia hirta plant can be used for the biosynthesis of Zinc oxide nanoparticles.
Źródło:
World Scientific News; 2017, 69; 111-121
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Plant growth regulators and sucrose requirements for in vitro induction of shoots from different explants of Atalantia monophylla (L.) Corr. Serr.
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1182944.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
atalantia monophylla
in vitro
rare
explants
pgrs
Opis:
An efficient in vitro regeneration and conservation system depend on the healthy culture induction from the suitable explants. Culture induction is a significant stage when very small plant material exists from the rare species. It is necessary to develop culture induction protocol from various explants to conserve the valuable plant species. Atalantia monophylla is a rare species with life giving properties. Shoots were induced from the shoot tip, node and internode explants. Among these the nodal shoot segments were reported most appropriate explant for the induction of shoots from the nodal meristems. MS medium (Murashige and Skoog) proved better than the Woody Plants (WP) medium in bud breaking. Sucrose at 3% level was optimum concentration for the establishment of cultures than the other concentrations evaluated. Shoot tips responded on MS medium supplemented with 0.5 mg L-1 each of BAP and Kin, nodal shoot segments responded better on MS medium augmented with 1.0 mg L-1 BAP . Half strength MS medium supplemented with 2,4-D (1.0 mg L-1) induced maximum responsive callus (87%) from the internode explants.
Źródło:
World Scientific News; 2016, 49, 2; 283-294
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zinc oxide nanoparticles synthesis from Moringa oleifera Lam. Extracts and their characterization
Autorzy:
Manokari, M.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1192606.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Zinc oxide nanoparticles
Moringa oleifera
UV-Visible spectroscopy
Reaction medium
Opis:
The enormous applications of metal nanoparticles urged to find new biologically hazard free methods for huge synthesis. The green synthesis approaches are acknowledged by many scientists due to its cost effective, simple, eco-friendly and resourceful move. The present investigation deals with the bio-production and characterization of zinc oxide (ZnO) nanoparticles using leaf, stem, flowers and fruit pods of the medicinal plant Moringa oleifera. The synthesis of ZnO nanoparticles from the aqueous extracts were mediated by Zinc Nitate Hexahydrate as precursor. Various parameters like time periods, concentration of plant extracts and different temperatures were influenced the synthesis of ZnO nanoparticles. The stability and reduction of zinc ions to ZnO nanoparticles were characterized by UV-Visible spectroscopic analysis. The reaction medium from the leaves and flowers showed strong absorption at 308nm. The stem and fruit pods reaction medium existed absorption peak at 293nm.
Źródło:
World Scientific News; 2016, 55; 252-262
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 26

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