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    Wyświetlanie 1-10 z 10
    Tytuł:
    An investigation of 2013 Mw 7.7 Awaran earthquake, Pakistan
    Autorzy:
    Mahmood, I.
    Iqbal, M.F.
    Mughal, M.R.
    Shahzad, M.I.
    Tariq, S.
    Ullah, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/11915.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Źródło:
    International Letters of Natural Sciences; 2017, 61
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Under Pressure DFT Investigations on Optical and Electronic Properties of PbZrO₃
    Autorzy:
    Nazir, G.
    Tariq, Saad
    Afaq, A.
    Mahmood, Q.
    Saad, S.
    Mahmood, A.
    Tariq, Samar
    Powiązania:
    https://bibliotekanauki.pl/articles/1030608.pdf
    Data publikacji:
    2018-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    density functional theory
    optical properties
    electronic structure
    high pressure
    Opis:
    In this article, density functional theory has been used to investigate the structural and optoelectronic properties of PbZrO₃ (PZO) under pressure from 0 to 350 GPa. In order to achieve ground state structural stability, generalized gradient approximations has been utilized. By studying electronic properties, indirect band-gap nature of PZO appears to change at 15 GPa to direct band-gap. Optical analysis include under pressure responses of real and imaginary parts of dielectric function, optical conductivity, optical absorption coefficient, energy loss function, refractive index, reflectivity and extinction coefficient. Most of the results have been found to be consistent with literature. Study reveals that static dielectric constant and band-gap are in accordance with the Penn model which validates our computed results. Moreover, static dielectric constant and static refractive index directly increases with pressure. Material preserves its positive value of refractive index at all pressures and therefore, it is not a negative index metamaterial. Plasma frequency increases directly with pressure that destabilize the under study material. Our results could be very useful for developing novel optoelectronic devices based on PZO suitable to work under extreme conditions.
    Źródło:
    Acta Physica Polonica A; 2018, 133, 1; 105-113
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of mangroves amendments to soil on root rot and root knot of potato [Solanum tuberosum L.]
    Wplyw dodatkow do gleby z roslin namorzynowych na zgnilizne korzeni i narosla na korzeniach ziemniaka [Solanum tuberosum L.]
    Autorzy:
    Tariq, M
    Dawar, S
    Mehdi, F S
    Zaki, M J
    Powiązania:
    https://bibliotekanauki.pl/articles/28632.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Rhizophora mucronata
    mangrove
    root knot
    stem
    Solanum tuberosum
    potato
    nematode
    Avicennia marina
    fungi
    plant
    root-knot nematode
    root rot
    plant part
    leaf
    root infection
    Opis:
    Leaves, stem and pneumatophore of Avicennia marina and leaves and stem of Rhizophora mucronata were used as the organic amendments at 0.1, 1 and 5% concentrations in the control of root rot fungi like (Fusarium spp., Rhizoctonia solani and Macrophomina phasoelina) and root knot nematode Meloidogyne javanica on potato. In pot experiments, germination of seeds, shoot length, shoot weight, root length, root weight and number of knots were signifi cantly increased when plant parts like leaves, stem and pneumatophore of A. marina and R. mucronata were used at 1 and 5% concentrations. There was a complete suppression in infection of R. solani and M. phaseolina when A. marina and R. mucronata were used at 5% concentration on potato. Maximum inhibition of knots of M. javanica was observed when powder made from mangrove plant parts was used at 1 and 5% concentrations. Powder from all plant parts, like leaves, stem and pneumatophore, was effective in suppression of root infecting fungi and root knot nematode.
    Liście, łodygi i pneumatofory Avicennia marina oraz liście i łodygi Rhizophora mucronata zastosowano jako organiczne dodatki do gleby w stężeniu 0,1, 1 i 5% do zwalczania grzybów powodujących zgniliznę korzeni, takich jak Fusarium spp., Rhizoctonia solani i Macrophomina phasoelina, oraz nicieni Meloidogyne javanica powodujących narośla na korzeniach ziemniaka. W doświadczeniach wazonowych kiełkowanie nasion, masa pędu, długość korzenia, masa korzenia znacznie zwiększyły się, a liczba narośli zmniejszyła się, kiedy części roślin A. marina i R. mucronata, takie jak liście, łodygi i pneumatofory, stosowano w stężeniu 1 i 5%. Nastąpiło zupełne zablokowanie zakażenia przez R. solani i M. phaseolina, kiedy części roślin A. marina i R. mucronata stosowano w stężeniu 5% w uprawach ziemniaka. Maksymalne zahamowanie narośli wywoływanych przez M. javanica obserwowano, kiedy proszek zrobiony z części roślin namorzynowych stosowano w stężeniu 1 i 5%. Proszek ze wszystkich części roślin, takich jak liście, łodygi i pneumatofory, był skuteczny w blokowaniu działania grzybów porażających korzenie i nicieni Meloidogyne javanica.
    Źródło:
    Acta Agrobotanica; 2008, 61, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of local tree seeds in the control of root knot nematode Meloidogyne javanica (Treub) Chitwood and growth promotion of chickpea (Cicer arietinum L.) and mung bean (Vigna radiata L.)
    Stosowanie nasion z lokalnych drzew do zwalczania guzaka korzeniowego Meloidogyne javanica (Treub) Chitwood oraz wspomagania wzrostu ciecierzycy pospolitej (Cicer arietinum L.) i fasoli mung (Vigna radiata L.)
    Autorzy:
    Ahmed, Z.M.
    Dawar, S.
    Tariq, M.
    Zaki, M.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/26908.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    local tree
    tree seed
    seed
    Azadirachta indica
    Adenanthera pavonina
    Leucaena leucocephala
    control
    root knot
    nematode
    Meloidogyne javanica
    growth promotion
    chick-pea
    Cicer arietinum
    mung bean
    Vigna radiata
    Opis:
    Seeds of local trees, such Azadirachta indica A. Juss, Adenanthera pavonina L., Leucaena leucocephala (Lam.) de Wit and Eucalyptus spp., were used as aqueous extract at 25, 50 and 100 % concentration to control the activity of Meloidogyne javanica (Treub) Citwood. All seed extracts showed lethal effect on M. javanica eggs, and a gradual decrease in egg hatching and an increase in mortality of second-stage juveniles were observed with the increase in extract concentration. L. leucocephala was found to be most effective in reducing egg hatching, whereas 100 % mortality of juveniles was observed in the case of A. indica seed extract. Number of knots was significantly reduced at 100 % concentration when seeds of chick pea and mung bean were treated and soil was drenched with A. pavonina and Eucalyptus spp. seed extract.
    Źródło:
    Acta Agrobotanica; 2010, 63, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectroscopic interpretations of Co(II), Ni(II) and Cu(II) decxycholate complexes with molecular docking of COVId-19 protease
    Autorzy:
    Refat, Moamen S.
    Bakare, Safyah B.
    Altalhi, Tariq A.
    Alam, Kehkashan
    Al-Hazmi, Ghaferah H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1849269.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    deoxycholic acid
    complexes
    ESR
    TGA/DSC
    molecular docking
    Opis:
    Co(II), Ni(II) and Cu(II) decxycholate complexes are interesting due to their biologically active and deliberate interest in the research due to their coordination properties. The microanalytical ‘elemental analysis’, molar conductivity, (infrared and Raman) spectroscopy, thermal analyses (TGA/DSC), UV-vis spectra, and ESR for copper(II) decxycholate complex investigations were performed in the structural assignments of Co(II), Ni(II) and Cu(II) decxycholate complexes. Reaction of the sodium deoxycholate ligand (C24H39O4Na) with three transition metal ions form the complexes of formulae, [M(C24H39O4)2(H2O)2] . xH2O where M = Co(II), Ni(II) and Cu(II) where x = 2 for Cu(II) and x = 4 in case of M = Co(II) or Ni(II) metal ions. The FTIR spectra of the complexes show that decxycholate molecule is present as bidentate ligand. Molecular docking utilizing to additionally examine the interaction of COVID-19 (6LU7) with different complexes of deoxycholic acid with Co(II), Ni(II) and Cu(II). Furthermore, in the case of Co(II) deoxycholate complex, the probe is surrounded by amino residues Met235, Pro241, Glu240, Pro108, Gln110, Phe294, and Ile152. The probe molecule of Ni(II) deoxycholate complex is sited close to amino acids Tyr126, Tyr239, Leu287, Leu272, and Lys137. For, Cu(II) deoxycholate complex, the residues of amino acids comprise of Pro132, Pro108, Gln110, Gly109, Ile200, Asn203, Val202, His246, Pro293 and Tyr154. The binding energy was determined from the docking reads for Co(II)–6LU7, Ni(II)–6LU7 and Cu(II)–6LU7 deoxycholate compounds were found to be −446.99, −500.52, −398.13 kcal mol−1 individually.
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 54-59
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectroscopic interpretations of Co(II), Ni(II) and Cu(II) decxycholate complexes with molecular docking of COVId-19 protease
    Autorzy:
    Refat, Moamen S.
    Bakare, Safyah B.
    Altalhi, Tariq A.
    Alam, Kehkashan
    Al-Hazmi, Ghaferah H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1849271.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    deoxycholic acid
    complexes
    ESR
    TGA/DSC
    molecular docking
    Opis:
    Co(II), Ni(II) and Cu(II) decxycholate complexes are interesting due to their biologically active and deliberate interest in the research due to their coordination properties. The microanalytical ‘elemental analysis’, molar conductivity, (infrared and Raman) spectroscopy, thermal analyses (TGA/DSC), UV-vis spectra, and ESR for copper(II) decxycholate complex investigations were performed in the structural assignments of Co(II), Ni(II) and Cu(II) decxycholate complexes. Reaction of the sodium deoxycholate ligand (C24H39O4Na) with three transition metal ions form the complexes of formulae, [M(C24H39O4)2(H2O)2] . xH2O where M = Co(II), Ni(II) and Cu(II) where x = 2 for Cu(II) and x = 4 in case of M = Co(II) or Ni(II) metal ions. The FTIR spectra of the complexes show that decxycholate molecule is present as bidentate ligand. Molecular docking utilizing to additionally examine the interaction of COVID-19 (6LU7) with different complexes of deoxycholic acid with Co(II), Ni(II) and Cu(II). Furthermore, in the case of Co(II) deoxycholate complex, the probe is surrounded by amino residues Met235, Pro241, Glu240, Pro108, Gln110, Phe294, and Ile152. The probe molecule of Ni(II) deoxycholate complex is sited close to amino acids Tyr126, Tyr239, Leu287, Leu272, and Lys137. For, Cu(II) deoxycholate complex, the residues of amino acids comprise of Pro132, Pro108, Gln110, Gly109, Ile200, Asn203, Val202, His246, Pro293 and Tyr154. The binding energy was determined from the docking reads for Co(II)–6LU7, Ni(II)–6LU7 and Cu(II)–6LU7 deoxycholate compounds were found to be −446.99, −500.52, −398.13 kcal mol−1 individually.
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 54-59
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In situ thermal decomposition route: Preparation and characterization of nano nickel, cobalt, and copper oxides using an aromatic amine complexes as a low-cost simple precursor
    Autorzy:
    Refat, Moamen S.
    Mohamed, Soha F.
    Altalhi, Tariq A.
    Bakare, Safyah B.
    Al-Hazmi, Ghaferah H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1849310.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    o-tolidine
    NiO
    Co3O4
    CuO
    XRD
    TEM
    nanoparticles
    complexation
    Opis:
    The main interest now is the development of metallic or inorganic-organic compounds to prepare nanoparticle materials. The use of new compounds could be beneficial and open a new method for preparing nanomaterials to control the size, shape, and size of the nanocrystals. In this article, the thermal decomposition of [M2(o-tol)2(H2O)8]Cl4 (where o-tol is ortho-tolidine compound, M = Ni2+, Co2+, Cu2+) new precursor complex was discussed in solid-state conditions. The thermal decomposition route showed that the synthesized three complexes were easily decomposed into NiO, Co3O4 and CuO nanoparticles. This decomposition was performed at low temperatures (~600°C) in atmospheric air without using any expensive and toxic solvent or complicated equipment. The obtained product was identified by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM) and energy-dispersive X-ray spectroscopy (EDX). FT-IR, XRD and EDX analyses revealed that the NiO nanoparticles exhibit a face-centered-cubic lattice structure with a crystallite size of 9–12 nm. The formation of a highly pure spinel-type Co3O4 phase with cubic structure showed that the Co3O4 nanoparticles have a sphere-like morphology with an average size of 8–10 nm. The XRD patterns of the CuO confirmed that the monoclinic phase with the average diameter of the spherical nanoparticles was approximately 9–15 nm.
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 47-53
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improved cut flower and corm production by exogenous moringa leaf extract application on gladiolus cultivars
    Autorzy:
    Younis, A.
    Akhtar, M.S.
    Riaz, A.
    Zulfiqar, F.
    Qasim, M.
    Farooq, A.
    Tariq, U.
    Ahsan, M.
    Bhatti, Z.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11855333.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Pakistan
    Faisalabad city
    ornamental plant
    Gladiolus
    Gladiolus grandiflorus
    Rose Supreme cultivar
    White Prosperity cultivar
    cut flower
    corm
    corm size
    spike length
    vase life
    growth regulator
    Moringa oleifera
    leaf extract
    climate condition
    Opis:
    Bio-stimulants are in excessive demand for the sustainable production of floriculture crops. The current investigation was designed to find out the effect of naturally occurring growth stimulant moringa leaf extract (MLE) on the growth, flowering, post-harvest life and corm production of two gladiolus cultivars (cvs.) ‘Rose Supreme’ and ‘White Prosperity’. The research trial was laid out in the factorial arrangement under randomized complete block design. Corms were grown in the open field under local climatic conditions of Faisalabad, Pakistan. Potential of exogenously applied (MLE; 30 times diluted) was evaluated. Treatments including spraying MLE at 3 leaves, 5 leaves, floral bud stage, one combination of these three stages relative to control with no foliar application. Application of natural bio-stimulant produced maximum height in both cvs. against T4. Both cvs. gave maximum stalk length in response to T4. The number of florets spike–1 found the maximum (13) in T1 compared to control T0 which yield (9) florets. Maximum vase life in sucrose solution (13.33 days) was exhibited by T1 for both cvs. while minimum (10 days) in T0. In cultivar comparison earlier spike emergence was observed in ‘White Prosperity’. In ‘Rose Supreme’ maximum corm weight was attained in response to T3 (43.43 g) while minimum (30.33 g) in T0.‘White Prosperity’ produced maximum weight (40.33 g) against T4 whereas minimum by control. The cultivar mean comparison showed the superiority of cormel diameter in ‘Rose Supreme’ (10.93 mm) than ‘White Prosperity’ (9.13 mm). In treatment comparison, T4 produced maximum diameter (12.04 mm) in ‘Rose Supreme’ moreover, T2 induced maximum (9.57 mm) diameter in ‘White Prosperity’.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 4; 25-38
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental and Theoretical Investigation to Study the Molecular Structure, Electronic Properties, UV–Vis Spectra of Coumarin 102
    Autorzy:
    Mohi, Ali T.
    Abood, Tareq H.
    Hadi, Hasan A.
    Karim, Mahmood S.
    Mutlik, Falah A-H.
    Alwan, Tariq J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1178533.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    DFT
    Ionization potential
    TDDFT
    electron affinity
    energy gap and UV spectra
    Opis:
    In this work, we study the structure, electronic properties and electronic spectra of Coumarin 102 (C102) dissolved in ethanol as an experimental-theoretical investigation. The various properties of the ground and excited electronic states of coumarins 102 using density functional theory (DFT) and time-dependent density functional theory (TDDFT) was calculated by the B3LYP density functional model with 6-31G(d,p) basis set by Gaussian 09 W program. Spectral characteristics of coumarin 102 have been probed into by methods of experimental UV-visible, and quantum chemistry. The UV spectrum was measured in Ethanol. The optimized structures, total energies, electronic states (HOMO- LUMO), energy gap, ionization potentials, electron affinities, chemical potential, global hardness, softness, global electrophilictity, dipole moment and electrostatic potential was calculated. were calculated. We find good agreement between experimental data of UV spectrum and TDDFT excitation energies.
    Źródło:
    World Scientific News; 2017, 70, 2; 216-229
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential of endochitinase gene to control Fusarium wilt and early blight disease in transgenic potato lines
    Autorzy:
    Fatima, Neelam
    Tabassum, B.
    Yousaf, I.
    Malik, M.
    Khan, A.
    Sajid, I.A.
    Tariq, M.
    Toufiq, N.
    Riaz, S.
    Nasir, I.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084713.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    early blight disease
    Fusarium
    potato
    Trichoderma
    Opis:
    Potato (Solanum tuberosum L.), an important food crop in the world, is susceptible to many fungal pathogens including Alternaria solani and Fusarium oxysporum causing Fusarium wilt and early blight diseases. Mycoparasitic fungi like Trichoderma encode chitinases, cell wall degrading enzymes, with high antifungal activity against a wide range of phytopathogenic fungi. In this study, a binary vector harboring endochitinase gene of ~1,000 bp was constructed and used to transform potato nodes through Agrobacterium-mediated transformation. Out of several primary transformants, two transgenic potato lines were verified for transgene insertion and integration by Southern blot. In a pot experiment for Fusarium resistance, the transgenic potato lines didn’t show any symptoms of disease, instead they remained healthy post infection. The transgenic potato lines exhibited 1.5 fold higher mRNA expression of endochitinase at 7 days as compared to 0 day post fungus inoculation. It was evident that the mRNA expression decreased over days of inoculation but was still higher than at 0 day and remained stable upto 30 days post inoculation. Similarly, for A. solani infection assay, the mRNA expression of the endochitinase gene was 3 fold higher 7 days post inoculation compared to expression at 0 day. Although the expression decreased by1.2 fold during subsequent days post infection, it remained stable for 30 days, suggesting that protection in transgenic potato plants against fungal pathogens was achieved through an increase in endochitinase transcript.
    Źródło:
    Journal of Plant Protection Research; 2019, 59, 3; 376-382
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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