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      • KCI등재

        Effect of annealing on the physical properties of thermally evaporated In2S3 thin films

        S. Rasool,K. Saritha,K.T. Ramakrishna Reddy,M.S. Tivanov,A.V. Trofimova,S.E. Tikoto,L. Bychto,A. Patryn,M. Maliński,V.F. Gremenok 한국물리학회 2019 Current Applied Physics Vol.19 No.2

        The structural, compositional, morphological and optical properties of In2S3 thin films, prepared by thermal evaporation technique and annealed in sulfur ambient at different temperatures have been investigated. The grazing incident X-ray diffraction patterns have indicated polycrystalline form and predominantly cubic structure of annealed In2S3 films. The scanning electron microscopy revealed textured surface with uniformly distributed grains and the grain size increased with increase of annealing temperature. The optical parameters of the films have been determined using conventional transmission and reflection spectra as well as from surface photovoltage measurements.

      • KCI등재

        Investigations of thermoelectric properties of different gallium nitride polytypes through first-principles approach

        Ul Haq Bakhtiar,Kim Se-Hun,Alsardia M.M.,Khadka I.B.,Chaudhry Aijaz Rasool,AlFaify S.,Ahmed R.,Shah Zulfiqar Ali 한국물리학회 2023 Current Applied Physics Vol.49 No.-

        In recent years, exploring new polytypes of III-V semiconductors has been widely practiced for the development of thermoelectric devices of high efficiency. In this work, the thermoelectric properties of new polytypes, namely the wurtzite(wz), Berrylium oxide (β-BeO), Nickel arsenide (NiAs), Silicon carbide (SiC), and Titanium arsenide (TiAs) phases of GaN have been investigated using the first-principles approaches. It is found that the p-type of doping induces enhancement of the power factors (PFs) and figure-of-merits (zT) of the GaN polytypes. The optimal p-type doping for PFs has been recognized as - 1.67 eV for wz-GaN, - 1.78 eV for β-BeO-GaN, - 1.33 eV for NiAs-GaN, - 1.58 eV for SiC-GaN, and - 1.48 eV for TiAs-GaN. These optimal p-type doping has induced the room-temperature PFs as high as 13.75 × 1010 W/mK2s recorded for wz-GaN, 13.61 × 1010 W/mK2s for β-BeO-GaN, 41.14 × 1010 W/mK2s for NiAs-GaN, 14.06 × 1010 W/mK2s for SiC-GaN, and 49.21 × 1010 W/mK2s for TiAs-GaN. Furthermore, the PFs of the GaN polytypes are enhanced by increasing the temperature. Due to such significant PFs, the zT values corresponding to p-type doping have been recorded as 1.013 for wz-GaN, 0.998 for β-BeO-GaN, 1.00 for NiAs-GaN, 1.015 for SiC-GaN, and 0.999 for TiAs-GaN. Moreover, we comprehensively discussed the electrical and thermal conductivities and Seebeck coefficients (S) for the predicted GaN polytypes. The results of the thermoelectric properties presented in this study reveal the predicted GaN polytypes may find interesting applications in thermoelectric devices for clean energy harvesting.

      • KCI등재

        Marker-assisted selection for scab resistance and columnar growth habit in inter-varietal population of apple (Malus × domestica)

        Rasool Aatifa,Bhat K. M.,Mir M. A.,Sundouri A. S.,ALshamrani Salha Mesfer,Aloufi Abeer S.,El Moneim Diaa Abd,Mansoor Sheikh,정용석 한국식물생명공학회 2024 Plant biotechnology reports Vol.18 No.1

        In recent years, there has been significant progress in enhancing the genetic foundation underlying important agricultural traits such as resistance to scab and the development of a columnar growth habit. V. inaequalis is a hemibiotrophic fungus widely distributed in temperate regions where apples are grown on commercial scale. The present investigation was undertaken to identify Vf gene and Co gene, which, respectively, confer resistance against apple scab disease and columnar phenotype in apple cultivar ‘Rosalie’ and introgression of both the genes in commercially important cultivar ‘Fuji’. Polymorphism sur- vey was carried out between the two parents using 22 simple sequence repeat (SSR) and sequence-characterized amplified region (SCAR) markers. The observations revealed that almost 50% hybrids fall in resistant category and 50% in susceptible category. The results of marker-assisted screening confirmed 38 F1s carrying resistance gene for scab while the remain- ing 32 F1 plants were found to be lacking the gene. The 38 genotypically scab-resistant hybrids were selected for further characterization as columnar and non-columnar plants. Based on the selection criteria, 21 individuals were categorized as columnar and the remaining 17 were categorized as non-columnar. The phenotypic screening was followed by screening of F1 s using molecular markers for Co gene. The amplification of Co-specific markers yielded columnar-specific fragments in the population and fitted the expected 1:1 Mendelian ratio. 18 scab-resistant F1 hybrids were found to carry Co gene and the remaining 20 did not possess the gene for columnar growth habit. Gene-specific primers identified in the present study can be directly used for screening large apple germplasm in a short period of time for developing resistant varieties against apple scab as well as varieties with columnar growth habit. Hybrids with verified scab resistance and columnar growth can be swiftly utilized as scab-resistant columnar cultivars.

      • Exploring the potential of anaerobic sulfate reduction process in treating sulfonated diazo dye: Microbial community analysis using bar-coded pyrosequencing

        Rasool, K.,Shahzad, A.,Lee, D.S. Elsevier Scientific Pub. Co 2016 Journal of hazardous materials Vol.318 No.-

        Anaerobic decolorization and biotransformation of azo dye was investigated in a sulfate-reducing environment. Batch reactor studies were performed with mixed cultures of anaerobic sulfate-reducing bacteria (SRBs) enriched from anaerobic digester sludge. Complete sulfate and color removal were achieved in batch experiments with different initial dye concentrations (50-2500mg/L) and 1000mg/L of sulfate. Induction of various oxidoreductive enzyme activities such as phenol oxidase, veratryl alcohol oxidase, lignin peroxidase, and azo reductase was studied to understand their involvement in dye metabolism under anoxic environment. The degradation of Cotton Red B was confirmed using high-performance liquid chromatography and gas chromatography-mass spectroscopy. Sulfidogenic sludge demonstrated excellent dye degradation and mineralization ability, producing aniline and 1,4-diamino benzene as metabolites. A barcoded 16S rRNA gene-pyrosequencing approach was used to assess the bacterial diversity in the sludge culture and a phylogenetic tree was constructed for sulfate-reducing bacteria.

      • SCIESCOPUSKCI등재

        Effect of Ensiling Sudax Fodder with Broiler Litter and Candida Yeast on the Changes in pH, Lactic Acid and Nitrogen Fractions

        Rasool, S.,Gilani, A.H. Asian Australasian Association of Animal Productio 1997 Animal Bioscience Vol.10 No.1

        Sudax fodder (Sorghum sudanense ${\times}$ Sorhum vulgare) was ensiled in laboratory silos with or without 20, 30, or 40 percent broiler litter and 6 percent molasses with or without Candida yeast. The samples were analyzed for pH, lactic acid and nitrogen fractions at the start of the experiment and at 5 days interval, thereafter till 40 days. A sharp decline in pH and increase in lactic acid content was observed on fifth day of ensiling. Thereafter, the rate of pH decline decreased till 20 days and that of lactic acid increase till 25 days and the remained constant. Increasing levels of broiler litter had adverse effect on pH drop and lactic acid increase of silages. Total-N content of the silages had little variation throughout the ensiling period. A sharp decline in protein-N and increase in ammonia-N content was observed on day 5 of ensiling. Thereafter, the content of protein-N increased till 20 days and that of ammonia-N decreased till 15 days, but these changes were very small compared to that occurred during the first 5 days of ensiling. The level of broiler litter had inverse relationship with protein degradation and direct relationship with ammonia production. The yeast inoculum failed to produce any significant effect.

      • SCIESCOPUSKCI등재

        Preparation and Nutritional Evaluation of Hatchery Waste Meal for Broilers

        Rasool, S.,Rehan, M.,Haq, A.,Alam, M.Z. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.4

        Hatchery waste including infertile eggs, dead embryos in shell, dead or low grade chicks was cooked at $100^{\circ}C$ for 15 minutes and then oven dried and ground. Hatchery waste meal (HWM) thus prepared contained 44.25% protein, 4,573 kcal/kg gross energy, 3,600 kcal/kg metabolizable energy, 30% ether extract, 1.9% fibre, 14% ash, 9.8% nitrogen free extract, 7.26% Ca, 0.84%P, 1.86% lysine and 0.66% methionine with no Salmonella and E. coli. In biological evaluation trial, significantly higher weight gain was observed in ration containing 12% HWM compared with that containing similar amount of fish meal. Protein efficiency ratio on the two rations was 3.96 vs 2.85; protein digestibility, 86.02 vs 71.9; net protein utilization, 64.9 vs 42.37 and biological value, 75.37 vs 58.84, respectively, indicating better balance of amino acids in HWM compared with fish meal. Growth performance trial on broiler chicks also revealed better weight gain and feed efficiency on ration containing 12% HWM than that containing similar level of fish meal.

      • SCIESCOPUSKCI등재

        IMPACT OF FOURWING SALTBUSH ON FEED AND WATER INTAKE AND ON BLOOD SERUM PROFILE IN SHEEP

        Rasool, E.,Rafique, S.,Haq, I.U.,Khan, A.G.,Thomson, E.F. Asian Australasian Association of Animal Productio 1996 Animal Bioscience Vol.9 No.2

        Sixteen Harnai males were used to evaluate the influence of varying levels of fourwing saltbush hay on feed and water intakes as well as the blood serum mineral status in a completely randomized design. The animals were grouped randomly into four, with four animals in each. The four groups were randomly allotted low, medium, high and very high levels of saltbush hay supplementation in addition to wheat straw. The animals were given fresh water at free of choice. Weekly body weight was recorded for each individual animal. Blood serum was collected for mineral contents. The experiment lasted for eight weeks. The inclusion of saltbush leaves in the diet showed a non-significant effect on the total dry matter intake. There has been a significant increase in the water intake when very high levels of saltbush were included in the ration. Lower levels showed no effect on the water intake. The animals maintained their body weight from week 1 to week 8. No treatment by weeks interactions on the potassium and sodium levels were detected. However higher levels of saltbush increased significantly the potassium and sodium contents in the serum. Calcium contents were significantly(p<0.01) lowered with the inclusion of saltbush leaves in the diet. Whereas Phosphorous contents showed an increasing(p<0.05) trend with the higher levels of saltbush. No clinical or sub-clinical toxicological symptoms were observed in the sheep with the higher mineral contents.

      • KCI등재

        Adsorption/desorption of cationic dye on surfactant modified mesoporous carbon coated monolith: Equilibrium, kinetic and thermodynamic studies

        Mohamad Rasool Malekbala,Moonis Ali Khan,Soraya Hosseini,Luqman Chuah Abdullah,Thomas S.Y. Choong 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1

        Surfactant modified carbon coated monolith was used as an adsorbent for methylene blue (MB)adsorption. Effects of pH, salt, contact time, initial dye concentrations and temperature on dyeadsorption were studied. Higher solution pH favoured MB adsorption. Furthermore, kinetics studyshowed that the adsorption could be better represented by the pseudo-second-order model. Linear andnon-linear isotherm studies revealed better fitting of Langmuir model to adsorption data with maximummonolayer adsorption capacity 388 mg/g. The adsorption was found to be spontaneous andendothermic. Desorption studies indicate that 0.1 N HCl exhibits higher elution efficiency (82.1%) withappreciable quantitative MB recovery.

      • KCI등재

        Maslinic Acid Protects Against Isoproterenol-Induced Cardiotoxicity in Albino Wistar Rats

        Althaf Hussain Shaik,S.N. Rasool,M. Abdul Kareem,G. Saayi Krushna,P. Mohammad Akhtar,Kodidhela Lakshmi Devi 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.8

        The present study aimed to evaluate the protective effect of maslinic acid (MA) on body weight, heart weight, lipids, lipoproteins, lipid peroxidation (LPO), cardiac marker enzymes, and paraoxonase (PON) in normal control and isoproterenol (ISO)-induced myocardial infarcted albino Wistar rats. After treatment with MA (15 mg/kg) for 7 days, myocardial infarction was induced by subcutaneous injection of ISO (85 mg/kg) for two consecutive days. ISO caused a considerable decrease in body weight and increased the heart weight. The concentrations of total cholesterol, triglycerides, very low-density lipoprotein-cholesterol, and low-density lipoprotein-cholesterol were higher, whereas that of high-density lipoprotein-cholesterol was lower, in the serum of ISO-administered rats. The activities of the cardiac marker enzymes creatine kinase, alanine transaminase, aspartate transaminase, and γ-glutamyl transferase and levels of malondialdehyde were elevated in the serum of ISO-treated rats. ISO-administered rats also exhibited a decline in the activity of PON. Pretreatment of rats with MA reduced the effects of ISO on all parameters tested. This is the first report of the protective effect of MA on ISO-induced cardiotoxicity and of an association between PON status and MA supplementation. The observed cardioprotective effects may be due to the antihyperlipidemic potential of MA, inhibition of LPO, and antioxidant activity.

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