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Muhammad Rizwan Maqsood,Muhammad Hanif,Muhammad Rafiq,Muhammad Saleem,Sumera Zaib,Aftab Ahmed Khan,Mazhar Iqbal,Jamshed Iqbal,Nasim Hasan Rama,서승염,Ki-Hwan Lee 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.12
The target compounds 6-11a-e were synthesized by condensing 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones 5a-f with various aromatic carboxylic acids in the presence of phosphorous oxychloride. The structures of newly synthesized compounds were characterized by IR, 1H NMR, 13C NMR, elemental analysis and mass spectrometric studies. All the synthesized compounds were screened for their antibacterial activity. Almost all the tested compounds were potent against four different strains of bacteria when compared with that of reference drug ciprofloxacin. Compounds 6c, 6e, 8d, 9b, 9e, 11a and 11b showed nearly equal or lower MIC values than standard drug, against all four tested bacterial strains but rest of the compounds showed excellent antibacterial activities.
Maqsood, Muhammad Rizwan,Hanif, Muhammad,Rafiq, Muhammad,Saleem, Muhammad,Zaib, Sumera,Khan, Aftab Ahmed,Iqbal, Mazhar,Iqbal, Jamshed,Rama, Nasim Hasan,Seo, Sung-Yum,Lee, Ki-Hwan Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.12
The target compounds 6-11a-e were synthesized by condensing 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones 5a-f with various aromatic carboxylic acids in the presence of phosphorous oxychloride. The structures of newly synthesized compounds were characterized by IR, $^1H$ NMR, $^{13}C$ NMR, elemental analysis and mass spectrometric studies. All the synthesized compounds were screened for their antibacterial activity. Almost all the tested compounds were potent against four different strains of bacteria when compared with that of reference drug ciprofloxacin. Compounds 6c, 6e, 8d, 9b, 9e, 11a and 11b showed nearly equal or lower MIC values than standard drug, against all four tested bacterial strains but rest of the compounds showed excellent antibacterial activities.
Mazhar, Muhammad,Hussain, S.M.,Rabbani, Faiz,Kociok-Kohn, Gabriele,Molloy, Kieran C. Korean Chemical Society 2006 Bulletin of the Korean Chemical Society Vol.27 No.10
A dimeric precursor, $[Cu(dmae)(OCOCH_3)(H_2O)]_2$ for the CVD of copper metal films, (dmaeH = N,N-dimethylaminoethanol) was synthesized by the reaction of copper(II) acetate monohydrate ($Cu(OCOCH_3)_2{\cdot}H_2O$) and dmaeH in toluene. The product was characterized by m.p. determination, elemental analysis and X-ray crystallography. Molecular structure of $[Cu(dmae)(OCOCH_3)(H_2O)]_2$ shows that a dimeric unit $[Cu(dmae)(OCOCH_3)(H_2O)]_2$ is linked to another through hydrogen bond and it undergoes facile decomposition at 300 C to deposit granular copper metal film under nitrogen atmosphere. The decomposition temperature, thermal behaviour, kinetic parameters, evolved gas pattern of the complex, morphology, and the composition of the film were also investigated.
Muhammad Mazhar*,S. M. Hussain,Faiz Rabbani,Gabriele Kociok-Kohn,Kieran C. Molloy 대한화학회 2006 Bulletin of the Korean Chemical Society Vol.27 No.10
A dimeric precursor, [Cu(dmae)(OCOCH3)(H2O)]2 for the CVD of copper metal films, (dmaeH = N,N-dimethylaminoethanol) was synthesized by the reaction of copper(II) acetate monohydrate (Cu(OCOCH3)2H2O) and dmaeH in toluene. The product was characterized by m.p. determination, elemental analysis and X-ray crystallography. Molecular structure of [Cu(dmae)(OCOCH3)(H2O)]2 shows that a dimeric unit [Cu(dmae)(OCOCH3)(H2O)]2 is linked to another through hydrogen bond and it undergoes facile decomposition at 300 C to deposit granular copper metal film under nitrogen atmosphere. The decomposition temperature, thermal behaviour, kinetic parameters, evolved gas pattern of the complex, morphology, and the composition of the film were also investigated.
A Survey of Vertical Handover Techniques based on IEEE 802.21: Media Independent Handover Standard
Muhammad Mazhar ullah Rathore,Awais Ahmad 에스케이텔레콤 (주) 2015 Telecommunications Review Vol.25 No.2
The introduction of new technologies such as the new families of IEEE, Third or Fourth Generation (3G, 4G) with Long Term Evolution (LTE) support, and WiMAX provide support for high data rate in heterogeneous networks. Providing uninterrupted and continuous connectivity across these technologies is a challenging job for the researchers in the last decade. However, researchers have worked hard to develop a generic platform for the interoperability between different networks. The IEEE has made one of the important developments in this regard in the form of IEEE 802.21: Media Independent Handover (MIH) standard. Recently, several research works have been carried out to enhance the functionality and to work of this standard. In this article, we surveyed the well-known and important schemes that have been proposed for migration of a session from WIFI to cellular and WiMAX technologies based on MIH standard. We also investigate different parameters that directly affect the performance of a handover process.
Khan, Shaukat,Ul-Islam, Mazhar,Ikram, Muhammad,Islam, Salman Ul,Ullah, Muhammad Wajid,Israr, Muhammad,Jang, Jae Hyun,Yoon, Sik,Park, Joong Kon Elsevier 2018 INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES Vol.117 No.-
<P><B>Abstract</B></P> <P>This study reports the fabrication of porogen-induced, surface-modified, 3-dimensionally microporous regenerated bacterial cellulose (rBC)/gelatin (3DMP rBC/G) scaffolds for skin regeneration applications. Round shaped gelatin microspheres (GMS), fabricated using a water-in-oil emulsion (WOE) method, were utilized as the porogen. The dissolution of GMS from the solution casted BC scaffolds led to surface-modified microporous rBC. The scaffolds were characterized using field emission scanning electron microscopy (FE-SEM) and elemental analysis. FE-SEM analysis confirmed the regular microporosity of the 3DMP rBC/G scaffolds, while elemental analysis confirmed the successful surface modification of cellulose with gelatin. <I>In vitro</I> tests showed good adhesion and proliferation of human keratinocytes (HaCaT) on the 3DMP rBC/G scaffolds during 7 days of incubation. Confocal microscopy showed penetration of HaCaT cells into the scaffolds, up to 300 μm in depth. <I>In vivo</I> wound healing and skin regeneration experiments, in experimental mice, showed complete skin regeneration within 2 weeks. The wound closure efficacy of the 3DMP rBC/G scaffolds was much higher (93%) than that of the control (47%) and pure BC-treated (63%) wounds. These results indicated that our 3DMP rBC/G scaffolds represent future candidate materials for skin regeneration applications.</P>
Re: Comments on “Chorea as a Presentation of SARS-CoV-2 Encephalitis: A Clinical Case Report”
Muhammad Hassan,Naveed Ullah Khan,Mazhar Badshah 대한파킨슨병및이상운동질환학회 2022 Journal Of Movement Disorders Vol.15 No.1
There are various etiologies and pathogenesis of myoclonus, most often categorized into cortical, subcortical, or spinal myoclonus. However, the pathophysiology of chorea is mainly implicated in dysfunction of the basal ganglia motor circuitry.