Enhancing Marketing Efficiency of the Saudi Dates at the National and International Markets

Ahmed, Mansoor; Safar, H Al-Kahtani; Ismaiel, Sobhy M.; Ahmed, Mehnaz; Ali, Ibrahim; Yosef, A Alamri; Abdullah, Istikoma

doi:10.5539/ijef.v8n8p53

Cited by 11 publications

(9 citation statements)

References 14 publications

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“…In this connection we selected three plants which are an important part of our daily usage, but been very little explored for their effectiveness against some common pathogens. The previous reports show the presence of terpenes, flovones, alkaloids, tannins, saponins and glycosides (Rajesh et al, 2013;Sawant and Godghate, 2013;Mokhber-Dezfuli et al, 2014;Ahmed et al, 2017;Sequeda-Castañeda et al, 2019). In the current study, the antibacterial activities of the F. vulgare,C.…”

Section: Resultssupporting

confidence: 64%

Untitled

2019

Int. J. Appl. Microbiol. Biotechnol. Res.

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The complications due to microbes are in the rise in developing countries especially in the remote areas due to non-availability of proper treatment. In this regards, people are compelled to use traditional herbs for treatments. In the present work the antimicrobial activity of three medicinal herbs, Foeniculum vulgare, Curcuma longa and Berberis vulgaris were studied for the actions against wide spread Gram-negative bacterial and fungal strains, Escherichia coli, Salmonella typhi, Mycoplasma gallisepticum and Shigella dysenteriae and four fungal strains, Aspergillus flavus, Aspergillus fumigatus, Aspergillus niger and Fusarium solani by agar well diffusion method. The study shows that n-hexane and chloroform extracts of F. vulgare exhibited significant antibacterial activity against S. dysenteriae and M. gallisepticum while the crude and n-hexane fractions of C. longa exhibited promising antibacterial affect against E. coli and S. typhi, respectively. Ethyl acetate fraction of Berberis vulgaris showed good activity against M. gallisepticum, whereas Ethyl acetate fraction of C. longa showed the best activity against Aspergillus fumigates and A. niger. The study confirms the effectiveness of these medicinal plants and its different extract against the common diseases caused by E. coli, S. typhi, M. gallisepticum, S. dysenteriae, A. flavus, A. fumigatus, A. niger and F. solani.

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Section: Resultssupporting

confidence: 64%

Untitled

2019

Int. J. Appl. Microbiol. Biotechnol. Res.

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“…Both the curves meet each other at 910˚C without showing any endothermic and exothermic peaks or any weight loss [18][19]. Therefore 910˚C is con rmed as the temperature SrM phase formation.…”

Section: Resultsmentioning

confidence: 84%

Effect of low sintering temperature on the structural and magnetic properties of M-type strontium hexaferrite

Rana

2021

Preprint

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A pure M-type strontium hexaferrite with nominal composition SrFe12O19 was prepared via modified conventional citrate precursor method. The basic idea of investigation was to improve the quality of hexagonal ferrite without high temperature sintering as these ferrites are generally known for high temperature sintering techniques. Thermogravimetric analysis (TGA/DTA) of powdered sample was carried out to identify the desired crystallization point suitable for the formation of M-phase. After dividing the sample into two equal parts, the prepared sample was sintered at two different temperatures, 800˚C and 910˚C. The properties of the material were investigated via using important characterization techniques, XRD, FESEM, FTIR, Raman spectroscopy (RS) and VSM respectively. The XRD confirmed the formation of M-phase along with some impurities of Fe2O3 and these results were strongly supported via both FTIR and RS. On increasing the sintering temperature, the average crystallite size was found to increase from 25nm to 33nm. The FESEM analysis confirmed the formation of densely packed grains some hexagonal platelets along with agglomerates. The magnetic parameters saturation magnetization (Ms), magnetic coericivity (Hc) and squarenes ratio (SQR) were investigated by using VSM. The value of Ms for ferrite sample sintered at 910˚C was found to be 92emu/g but at the same time the Hc value was found in the range of few hundreds of Oestered. This kind of behavior was due to the smaller grain size and the presence of impurity phase which was totally against the nature strontium hexaferrite. Such properties of M-type hexagonal ferrite was found very rare and procured to be an excellent candidate for switching devices, recording media, high frequency applications and many more.

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“…Peaks at 1 ppm and 3.5 ppm referred to the −CH 3 and −CH 2 − of C 2 H 5 OH undried completely, respectively. The FTIR spectra of ADL powder showed obvious peaks at 1550–1630 cm −1 , corresponding to azo group, whereas the peak at ∼1400 cm −1 can be assigned to the stretching vibrations of the carboxylate group from carboxylic acid salt (Figure a) . Moreover, the Raman spectrum exhibited peaks located at 1400 cm −1 to 1450 cm −1 that can be identified to the integrity of N=N double bond in as‐prepared ADL electrode (Figure b) .…”

Section: Resultsmentioning

confidence: 97%

Azo‐Group‐Containing Organic Compounds as Electrode Materials in Full‐Cell Lithium‐Ion Batteries

et al. 2019

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Inorganic compounds, including graphite, transition metal oxides, and chalcogenides, are widely used as electrode materials in rechargeable lithium-ion batteries (LIBs). However, environmentally friendly and cost-effective alternatives are pursued by focusing on the molecular design of organic materials that could be potential electrode materials in nextgeneration LIBs. Herein, we study the utilization of an organic compound, azobenzene 4,4-dicarboxylate lithium (ADL), as a negative electrode in full-cell LIBs. The full-cell LIBs are assembled by using ADL as the negative electrode, LiCoO 2 (LCO/ADL) or LiFePO 4 (LFP/ADL) as the positive electrode, and 1 M LiPF 6 dissolved in ethylene carbonate/diethylene carbonate (EC : DEC = 1 : 1 by volume) as the electrolyte. Then, ex situ X-ray diffraction (XRD), ex situ X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) were carried out to understand the charge storage mechanism and structural changes during the electrochemical reaction. From the charge/ discharge measurements, LFP/ADL rendered a higher specific capacity retention (88.05 %) than LCO/ADL full-cells (73.79 %) after 200 cycles at a current density of 100 mA g À 1 . The XPS analysis revealed that the deposition of metallic Li on the ADL anode in LCO/ADL full-cells led to rapid capacity decay and inferior cyclic performance, whereas Li-free metal deposition had been observed on the ADL anode in LFP/ADL full cells, which explained the higher cyclic stability and capacity retention rate in LFP/ADL full-cells. The present study provides useful insights into the development and practical utilization of organic electrodes in next-generation Li-ion battery technology.

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Enhancing Marketing Efficiency of the Saudi Dates at the National and International Markets

Cited by 11 publications

References 14 publications

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Untitled

Effect of low sintering temperature on the structural and magnetic properties of M-type strontium hexaferrite

Azo‐Group‐Containing Organic Compounds as Electrode Materials in Full‐Cell Lithium‐Ion Batteries

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