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Amr Mohamed Mohamed,Mubashir Ahmad Khan,Aftab Faiz,Jawwad Ahmad,Elsheikh Babiker Khidir,Mohammed Abubakar Basalamah,Akhmed Aslam 대한감염학회 2020 Infection and Chemotherapy Vol.52 No.1
Background: Group B Streptococcus (GBS) comprises the normal flora of the female urogenital tract and can be transferred to neonates during delivery, causing invasive diseases. This study was performed to investigate the colonization rate, antibiotic susceptibility, and serotype of GBS among Saudi pregnant women. Materials and Methods: In this cross-sectional study, vagino-rectal swabs from 400 pregnant women were collected over a period of one year. Identification of GBS isolates and determination of their antibiotic susceptibility were performed using the Microscan Walk Away system. The isolates were then typed using both latex agglutination and capsular genebased multiplex polymerase chain reaction assays. Results: Sixty (15.0%) subjects were colonized by GBS, with serotype Ia as the dominant type (30.0%) followed by serotype III and V (25.0%, each). Only 43 (71.7%) isolates were typed by latex agglutination, whereas the remaining isolates were not typable or were non-specifically typed as compared to the genotyping assay, which revealed the specific type of each GBS isolate. The highest resistance rates were observed for erythromycin and clindamycin (16.7%, each), which were mainly restricted to the prevalent serotypes. Conclusion: This study is the first to report the distribution of GBS serotypes based on molecular genotyping in Saudi Arabia. GBS colonization was evident among pregnant women, and resistance to erythromycin and clindamycin was predominant among serotypes Ia, III, and V. Molecular genotyping using capsular gene-based multiplex PCR provided reliable typing of the investigated GBS isolates in terms of sensitivity and specificity as compared to conventional serotyping using latex agglutination.
Intra-regional Trade Effects of ASEAN Free Trade Area in the Textile and Clothing Industry
( Mohammed Faiz Shaul Hamid ),( Mohamed Aslam ) 세종대학교 경제통합연구소(구 세종대학교 국제경제연구소) 2017 Journal of Economic Integration Vol.32 No.3
This study investigates intra-regional trade effects of the ASEAN Free Trade Area in the textile and clothing industry by focusing on trade competitiveness and complementarities. Using a novel method of investigating intra-regional trade through 20 bilateral pairs of ASEAN countries, the study analyzed 1,040 observations at the HS3 level to determine revealed comparative advantage and intra-industry trade. The results for both revealed comparative advantage and intra-industry trade in the context of the textile and clothing industry show that most ASEAN countries compete predominantly in trade of unprocessed products or raw materials. Consumer or finished products do not exhibit a high degree of competition, which suggests that product diversification has enabled ASEAN countries to actively export to the global market. The results also show trade-creating and trade-diverting effects in a number of products categories, categories, suggesting that this divergence may disrupt ASEAN`s vision of becoming a regional hub for the textile and clothing industry.
Low dimensional Ni-ZnO nanoparticles as marker of toxic lead ions for environmental remediation
Mohammed M. Rahman,Sher Bahadar Khan,Hadi M. Marwani,Abdullah M. Asiri,Khalid A. Alamry,Malik Abdul Rub,Anish Khan,Aftab Aslam Parwaz Khan,Abdullah H. Qusti 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.3
We have synthesized Ni-ZnO nanoparticles (NPs) by a wet-chemical route using reducing agents. Thestructural and optical properties of Ni-ZnO NPs were investigated by various conventional methods. Theanalytical potential of the Ni-ZnO NPs was studied for a selective detection of toxic Pb(II) ion usingrecognized ICP-OES method for environmental remediation. Data obtained from the selectivity studyindicated that the selectivity of Ni-ZnO NPs phase was the most toward Pb(II) ion. However, theadsorption isotherm data of Pb(II) on Ni-ZnO NPs phase was good-match with the Langmuir-Adsorption-Isotherm, strongly supporting that the adsorption process was mainly monolayer on homogeneousadsorbent surfaces.
Mohammed M. Rahman,Sher Bahadar Khan,Hadi M. Marwani,Abdullah M. Asiri,Khalid A. Alamry,Malik Abdul Rub,Anish Khan,Aftab Aslam Parwaz Khan,Naved Azum 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
In this report, the doped ZnO-CdO nanoblocks (NBs) have been synthesized by facile wet-chemical technique at low-temperature and characterized by UV–vis, FT-IR, XRD, FESEM, XPS, XEDS, etc. The NBs were applied for the selective detection of Fe(III) ions and photo-catalytic degradation using Brilliant cresol blue (BCB). The analytical efficiency of NBs phase was also investigated for a selective detection of Fe(III) by ICP-OES. NBs were found to be the most selective toward Fe(III), where adsorption process was mainly monolayer on a homogeneous adsorbent surface. In photo-catalysis, almost 52.3% degradation with BCB dye was observed under solar sources with NBs.
Aftab Aslam Parwaz Khan,Abdullah M. Asiri,Anish Khan,Naved Azum,Malik Abdul Rub,Mohammed M. Rahman,Sher Bahadar Khan,K. S. Siddiqi,Khalid A. Alamry 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.2
The reactions of Cefuroxime (CFA) by hexacyanoferrate (III) (HCF(III)) in alkaline medium at a constant ionic strength has been studied spectrophotometrically. It is a first order reaction, but fractional order in both CFA and alkali. Decrease in dielectric constant of the medium decreases the rate of reaction. The effect of added products and ionic strength has also been investigated. A mechanism involving free radicals is proposed. In a composite equilibrium step, CFA binds to HCF(III) to form a complex that subsequently decomposes to the products. The main two products were separated and identified by column chromatography, TLC and FT-IR. There is good agreement between the observed and calculated rate constants under different experimental conditions. The reaction was studied at different temperatures and activation parameters were computed with respect to the slow step of the proposed mechanism.
Assessment of Meta-Heuristic and Classical Methods for GMPPT of PV System
M. Naseem,Mohammed Aslam Husain,Ahmad Faiz Minai,Ahmad Neyaz Khan,Mohd Amir,J. Dinesh Kumar,Arif Iqbal 한국전기전자재료학회 2021 Transactions on Electrical and Electronic Material Vol.22 No.3
Numerous global peak searching mechanisms have been proposed to solve the problem of energy loss due to partial shading of solar photovoltaic (PV) plants but still there is a great need for an effi cient and fast global maximum power point tracker (GMPPT). A detailed review of GMPPT based on various meta-heuristic and classical methods along with the basics of partial shading phenomenon, proper positioning of the PV panels, distributed MPPT, Field MPPT etc. will be of great help to the researchers. Till date, it looks like that not a single literature has covered these issues at a single place and thus, this article fi lls this gap by providing a detailed assessment, tabulated gist of the various GMPPT along with the basics of key issues related to partial shading of PV plants. Various classical and bio-inspired meta-heuristic based GMPPT methods have been compared in this literature. It is expected that this paper will prove to be a valuable asset and a complete reference for the academicians and professionals for further research and proper selection of a GMPPT technique.
Farooqui, Maryam,Hassali, Mohamed Azmi,Knight, Aishah,Shafie, Asrul Akmal,Farooqui, Muhammad Aslam,Saleem, Fahad,ul Haq, Noman,Othman, Che Noriah,Aljadhey, Hisham Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5
Background: Health Related Quality of Life (HRQoL) is an important aspect in identifying cancer patients' perceptions of being diagnosed with cancer and the assessment of treatment outcomes. The present study aimedto assess the profile and predicators of HRQoL of Malaysian oncology patients. Materials and Methods: A cross sectional study adopting the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) was conducted. All cancer patients attending Penang General Hospital between August-November 2011 were approached. Descriptive statistics were used to assess demographic and disease related characteristics of the patients. All analyses were performed using SPSS v 16.0. Results: Three hundred and ninety three cancer patients met the inclusion criteria and were enrolled in the study. The mean age was 53.9 ($SD{\pm}13$) years. The cohort was dominated by females (n=260, 66.2%). Nearly half (n=190, 48.3%) of the participants were of Malay ethnicity, practicing Islam as their religion (n=194, 494%). Two hundred and ninety six (n=296, 75.3%) had beene diagnosed with cancer within six months to 3 years previously. The most common primary cancer site was breast (n=143, 36.4%). The mean Global Health Status (GHS) score was 60.7 (SD=21.3). Females (mean GHS score of 62.3, p=0.035) with Malay ethnicity (mean GHS score of 63.8, p=0.047), practicing Islam as their religion (mean GHS score of 63.0, p=0.011) had better GHS scores. Patients having medical insurance had good scores (mean 65.6, p-0.021). Marital status was significantly associated with GHS scores (p=0.022). Bone cancer patientshad the lowest mean GHS score of 49.2 (p=0.044). Patients at very advanced stages of cancer featured a low GHS mean score of 52.2 (p<0.001). Conclusions: The present study identified many demographic and disease related factors which may contribute to the HRQoL of cancer patients, pointing to the necessity for improved management of disease symptoms and provision of psychological and financial support.