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Hamayun, Muhammad,Khan, Sumera Afzal,Khan, Abdul Latif,Rehman, Gauhar,Kim, Youn-Ha,Iqbal, Ilyas,Hussain, Javid,Sohn, Eun-Young,Lee, In-Jung Informa UK (TaylorFrancis) 2010 Mycologia Vol.102 No.5
<P>Gibberellin (GA) production by soil fungi has received little attention, although substantial work has been carried out on other aspects of plant growth promoting fungi (PGPF). In our studies we investigated GA production and growth-promoting capacity of a novel fungal strain isolated from the roots of soil-grown cucumber. Pure cultures of 19 endophytic fungi were tested for shoot length promotion of Waito-C rice to identify the GA production capacity of these fungal isolates. Isolate MH-6 significantly increased shoot length (12.9 cm) of Waito-C, in comparison to control treatments. Bioassay with culture filtrate (CF) of MH-6 also significantly promoted growth attributes of cucumber plants. Analysis of MH-6 CF showed the presence of physiologically active (GA1, 1.97 ng/mL; GA3, 5.18 ng/mL; GA4, 13.35 ng/mL and GA7, 2.4 ng/ mL) in conjunction with physiologically inactive (GA9 [0.69 ng/mL], GA12 [0.24 ng/mL], GA15 [0.68 ng/ mL, GA19 [1.94 ng/mL and GA20 [0.78 ng/mL]) gibberellins. The CF of MH-6 produced greater amounts of GA3, GA4, GA7 and GA19 than wild type Fusarium fujikuroi, a fungus known for high production of GA. The fungal isolate MH-6 was identified as a new strain of Cladosporium sp. on the basis of sequence homology (99%) and phylogenetic analysis of 18S rDNA sequence.</P>
Nasir Sarwar,Munir Ashraf,Muhammad Mohsin,Abdur Rehman,Ayesha Younus,Amjed Javid,Kashif Iqbal,Shagufta Riaz 한국섬유공학회 2019 Fibers and polymers Vol.20 No.11
Importance of multifunctional finishing of textiles is increasing day by day due to greater consumer demand. Cross-linker is one of the commonly used finishes agent to impart functionality in textiles. In this research work theperformance of the formaldehyde free carboxylic acid based eco-friendly cross-linkers; citric acid (CA) and maleic acid(MA) was enhanced by incorporating three different types of metal oxides nanoparticle (ZnO, MgO and CaO). Two differentfixation methods of pad-dry-cure with and without UV irradiation were used. ZnO along with CA and MA was found to bemost effective in increasing crease recovery performance of the cotton fabric followed by MgO while CaO was found to beineffective. Fabric tear strength was also improved by the incorporation of these nanoparticles. Additionally, incorporation ofthese nanoparticles exhibited improvement in the fabric handle and antimicrobial properties.
Amir Ullah,Muneeb-ur-Rahman,Muhammad Javid Iqbal,Chang Won Ahn,Ill Won Kim,Aman Ullah 한국물리학회 2016 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.68 No.12
The electrical properties of the 0.925(Bi0.5(Na0.40K0.10)TiO3-0.075(Ba0.70Sr0.30)TiO3 (0.925BNKT-0.075BST) ceramic were investigated by using AC impedance spectroscopy over a wide range of frequencies (10−2 105 Hz). The X-ray diffraction patterns confirmed the formation of a single-phase compound. A single semicircular arc in the impedance spectrum indicates that the main contribution of the bulk resistance (Rb) were due to grain effects, with Rb decreasing with increasing temperature. The conductivity of the ceramics increased with increasing temperature, and the activation energy resulting from the DC conductivity was 0.86 eV. The ceramic displayed a typical negative temperature coefficient of resistance (NTCR) behavior, like that of a semiconductor.