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Gazi, Md. Amran,Mahmud, Sultan,Fahim, Shah Mohammad,Kibria, Mohammad Golam,Palit, Parag,Islam, Md. Rezaul,Rashid, Humaira,Das, Subhasish,Mahfuz, Mustafa,Ahmeed, Tahmeed Korea Genome Organization 2018 Genomics & informatics Vol.16 No.4
Shigella spp. constitutes some of the key pathogens responsible for the global burden of diarrhoeal disease. With over 164 million reported cases per annum, shigellosis accounts for 1.1 million deaths each year. Majority of these cases occur among the children of the developing nations and the emergence of multi-drug resistance Shigella strains in clinical isolates demands the development of better/new drugs against this pathogen. The genome of Shigella flexneri was extensively analyzed and found 4,362 proteins among which the functions of 674 proteins, termed as hypothetical proteins (HPs) had not been previously elucidated. Amino acid sequences of all these 674 HPs were studied and the functions of a total of 39 HPs have been assigned with high level of confidence. Here we have utilized a combination of the latest versions of databases to assign the precise function of HPs for which no experimental information is available. These HPs were found to belong to various classes of proteins such as enzymes, binding proteins, signal transducers, lipoprotein, transporters, virulence and other proteins. Evaluation of the performance of the various computational tools conducted using receiver operating characteristic curve analysis and a resoundingly high average accuracy of 93.6% were obtained. Our comprehensive analysis will help to gain greater understanding for the development of many novel potential therapeutic interventions to defeat Shigella infection.
Md. Amran Gazi,Sultan Mahmud,Shah Mohammad Fahim,Mohammad Golam Kibria,Parag Palit,Md. Rezaul Islam,Humaira Rashid,Subhasish Das,Mustafa Mahfuz,Tahmeed Ahmeed 한국유전체학회 2018 Genomics & informatics Vol.16 No.4
Shigella spp. constitutes some of the key pathogens responsible for the global burden of diarrhoeal disease. With over 164 million reported cases per annum, shigellosis accounts for 1.1 million deaths each year. Majority of these cases occur among the children of the developing nations and the emergence of multi-drug resistance Shigella strains in clinical isolates demands the development of better/new drugs against this pathogen. The genome of Shigella flexneri was extensively analyzed and found 4,362 proteins among which the functions of 674 proteins, termed as hypothetical proteins (HPs) had not been previously elucidated. Amino acid sequences of all these 674 HPs were studied and the functions of a total of 39 HPs have been assigned with high level of confidence. Here we have utilized a combination of the latest versions of databases to assign the precise function of HPs for which no experimental information is available. These HPs were found to belong to various classes of proteins such as enzymes, binding proteins, signal transducers, lipoprotein, transporters, virulence and other proteins. Evaluation of the performance of the various computational tools conducted using receiver operating characteristic curve analysis and a resoundingly high average accuracy of 93.6% were obtained. Our comprehensive analysis will help to gain greater understanding for the development of many novel potential therapeutic interventions to defeat Shigella infection.
Endoscopic Ultrasonography in Pediatric Patients with Pancreatobiliary Disease: Single-Center Trial
Demirbas, Fatma,Kaymazli, Mustafa,Caltepe, Gonul,Abbasguliyev, Hasan,Kalayci, Ayhan Gazi,Bektas, Ahmet The Korean Society of Pediatric Gastroenterology 2021 Pediatric gastroenterology, hepatology & nutrition Vol.24 No.2
Purpose: The use of Endoscopic ultrasonography (EUS) in pediatric patients is not as common as in adults. The aim of this study is to evaluate the role of EUS in the diagnosis of pancreatobiliary disease in childhood. Methods: Between December 2016 and January 2018, the findings of patients who underwent EUS were evaluated retrospectively. Results: Of the 41 patients included in the study 25 were girls (61.0%), mean age was 12.2±4.2 years. EUS was performed for biliary colic in 21 (51.2%), for recurrent pancreatitis in 12 (29.2%), for cholecystitis/cholangitis in 5 (12.2%), and for acute pancreatitis in 3 (7.4%) patients. EUS had a significant clinical effect in the decision of treatment and follow-up of 6/21 biliary colic cases, in diagnosis and follow-up of 6/12 recurrent pancreatitis cases, in decision-making and monitoring of invasive procedures (ERCP/surgery) of 3/5 acute cholecystitis/cholangitis and 2/3 of acute pancreatitis cases as well as in follow-up of the other cases. The effectiveness of EUS in determining direct treatment and invasive intervention was 43.9%. None of the patients had complications related to the EUS procedure. Conclusion: Although current guidelines show that EUS can be used in pediatric patients, this is limited to a few published studies. In this study, it is shown that EUS is a safe method for the diagnosis, follow-up and treatment of common pancreatobiliary pathologies in childhood.
Akeem Adeyemi Oladipo,Mustafa Gazi 한국화학공학회 2015 Korean Journal of Chemical Engineering Vol.32 No.9
Biomagnetic material (MFC) was synthesized via simple co-precipitation and used as biosorbent for the removal of acid red 25 (AR25) under optimized conditions. The characteristics of MFC were studied using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), vibrating sample magnetometer (VSM), Boehm titration and scanning electron microscopy (SEM). Optimum removal of AR25 was achieved at pH=5.0. The equilibrium data were well described by the Sips and Freundlich models. Taguchi methodology was employed to optimize the biosorption experiments. 411.56mg/g and 96.8% were obtained as the biosorption capacity and removal efficiency, respectively, at the optimum conditions of ionic strength (0.5M), influent volume (300 L) and MFC dosage (4 g). The contact time for removal of 96% AR25 in two-stage batch system is 400.8min which is lower than the single-stage treatment process (895 min).