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Syed Shatir Asghrar Syed-Hassan,Mohd Saufi Md Zaini 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.8
The preparation of activated carbon from palm kernel shell for methane adsorption was studied. Taguchi orthogonal array design was employed to optimize the preparation of activated carbon. The statistical results show that the optimized conditions are the impregnation ratio of 0.55, the activation temperature of 900 oC and the activation time of 150min. The impregnation ratio has the most influence on methane adsorption based on S/N ratio analysis. The mathematical model was developed using regression analysis as a function of independent variables. The results of experiment using optimum conditions fall within the predicted value obtained from the developed model. Activated carbon prepared at optimum conditions which have the highest BET surface area of 1,548.0m2/g and the total pore volume of 1.0 cm3/g recorded the highest methane uptake compared to other conditions. The equilibrium data of the adsorption characteristic fitted favourably to the Freundlich isotherm.
Syed Sharizman Syed Abdul Rahim,Mohd Fazeli Sazali,Ahmad Hazim Mohammad,Fairrul Kadir,Alvin Oliver Payus,Richard Avoi,Mohammad Saffree Jeffree,Azizan Omar,Mohd Yusof Ibrahim,Azman Atil,Nooralisa Moh 대한결핵및호흡기학회 2023 Tuberculosis and Respiratory Diseases Vol.86 No.2
Tuberculosis (TB) is a significant public health concern. Globally, TB is among the top 10 and the leading cause of death due to a single infectious agent. Providing standard anti-TB therapy for at least 6 months is recommended as one of the crucial strategies to control the TB epidemic. However, the long duration of TB treatment raised the issue of non-adherence. Non-adherence to TB therapy could negatively affect clinical and public health outcomes. Thus, directly observed therapy (DOT) has been introduced as a standard strategy to improve anti-TB medication adherence. Nonetheless, the DOT approach has been criticized due to inconvenience, stigma, reduced economic productivity, and reduced quality of life, which ultimately could complicate adherence issues. Apart from that, its effectiveness in improving anti-TB adherence is debatable. Therefore, digital technology could be an essential tool to enhance the implementation of DOT. Incorporating the health belief model (HBM) into digital technology can further increase its effectiveness in changing behavior and improving medication adherence. This article aimed to review the latest evidence regarding TB medication non-adherence, its associated factors, DOT’s efficacy and its alternatives, and the use of digital technology and HBM in improving medication adherence. This paper used the narrative review methodology to analyze related articles to address the study objectives. Conventional DOT has several disadvantages in TB management. Integrating HBM in digital technology development is potentially effective in improving medication adherence. Digital technology provides an opportunity to improve medication adherence to overcome various issues related to DOT implementation.
Rahman Syed Ahmad Fadhli Syed Abdul,Maulud Khairul Nizam Abdul,Pradhan Biswajeet,Mustorpha Sharifah Nurul Ain Syed 한국CDE학회 2021 Journal of computational design and engineering Vol.8 No.6
Navigation, also known as discovering one’s direction, is a complex human activity. To produce effective routes, it relies on knowledge of the surroundings’ precise geometry and semantic information. Complex geometrical data can be precisely delineated with the improvement of 3D geometric models. A precise 3D geometric model containing a specifically built-in Building Information Modelling (BIM) environment can be integrated into the Geographical Information System platform for indoor path generation to satisfy the requirements of indoor location-based services. Therefore, this paper proposes an approach to evaluate a 3D indoor topology network called a lattice topology data model (LTDM) for the floor-level paths in a 3D multipatch-based model. The LTDM requires the geometric information of the integrated BIM model to identify the indoor space and bounding lines for indoor network generation. The novelty of this study is in the application of the replacement of cell values into vector length for pathfinding through a combination of the Poincaré duality theorem and Dijkstra’s algorithm. The Campus Infrastructure Building model was chosen to validate the proposed method. Multiple space centroid pairs within the floor level were randomly selected to identify the shortest path using the LTDM principle. Paths drawn from the Medial Axis Transformation were compared with LTDM-generated paths for availability testing. The average floor-level path availability was 112% due to the generation of extra paths reflecting real-life situations. The LTDM paths were compared with on-site measurements for accuracy tests, and the average error rate was 3.18%. The results show that the implementation of the LTDM generates an excellent topology data network.
MicroRNA and Their Potential Role in Conjunctival Disorders
Nazmul Huda Syed(Nazmul Huda Syed ),Embong Zunaina(Embong Zunaina ),Shahidan Wan-Nazatul Shima(Shahidan Wan-Nazatul Shima ),Malvika Sharma(Malvika Sharma ),Ismail Shatriah(Ismail Shatriah ) 대한안과학회 2022 Korean Journal of Ophthalmology Vol.36 No.5
MicroRNAs (miRNAs) are the small noncoding RNA molecules which regulate target gene expression posttranscriptionally. They are known to regulate key cellular processes like inflammation, cell differentiation, cell proliferation, and cell apoptosis across various ocular diseases. Due to their easier access, recent focus has been laid on the investigation of miRNA expression and their involvement in several conjunctival diseases. The aim of this narrative review is to provide understanding of the miRNAs and describe the current role of miRNAs as the mediators of the various conjunctival diseases. A literature search was made using PubMed, Scopus, and Web of Science databases for studies involving miRNAs in the conjunctival pathological conditions. Original articles in the last 10 years involving both human and animal models were included. Literature search retrieved 27 studies matching our criteria. Pertaining to the numerous literatures, there is a strong correlation between miRNA and the various pathological conditions that occur in the conjunctiva. miRNAs are involved in various physiological processes such as cell differentiation, proliferation, apoptosis, development, and inflammation by regulating various signaling pathways, genes, proteins, and mediators. Pterygium was the most studied conjunctival disease for miRNA involvement, whereas miRNA research in allergic conjunctivitis is still in its early stages. Our review provides deep insights into the various miRNAs playing an important role in the various conjunctival diseases. miRNAs do have the potential to serve as noninvasive biomarkers with diagnostic, prognostic, and therapeutic implications. However, multitudinous studies are required to validate miRNAs as the reliable biomarkers in conjunctival pathologies and its targeted therapy.
Mirizzi syndrome: A retrospective analysis of 84 patients from a single center
Syed Shafiq,Mallikarjun Patil,Mathew Philip 소화기인터벤션의학회 2022 International journal of gastrointestinal interven Vol.11 No.1
Background: There is a paucity of literature regarding the prevalence of Mirizzi syndrome (MS) in patients undergoing endoscopic retrograde cholangiopancreatography (ERCP) for obstructive jaundice. We aimed to describe the clinical presentation; laboratory, imaging, and ERCP findings; and surgical management of patients with MS at our center. Methods: A retrospective review was performed of the medical records of 3,852 consecutive patients who underwent ERCP between January 2010 to December 2019 at our center. Results: MS was diagnosed in 84 (2.2%) of the patients who underwent ERCP, with 45 male and 39 female patients. Jaundice was the most common symptom (100%) followed by abdominal pain (91.6%). Leukocytosis and altered liver function tests were noted in all our patients. Although most of our patients had one or more pre-procedure imaging studies, MS was confirmed and subclassified based on cholangiographic and intraoperative findings. There were 11 post-cholecystectomy MS patients who opted for endoscopic therapy with repeated biliary stenting. Among the remaining 73 patients, 48 with type I and 21 with type II MS underwent open cholecystectomy, 4 with type III MS received cholecystectomy and choledochoduodenostomy, and another 4 patients with type II MS underwent subtotal cholecystectomy and choledochoplasty. Associated cystic duct abnormalities were noted in 20.2% of patients. Bile duct injuries occurred in 3 patients during an attempted laparoscopic procedure; however, no mortality was reported. Conclusion: Although it is preferable to diagnose MS preoperatively, a preoperative diagnosis is seldom possible. ERCP is both a diagnostic and therapeutic procedure of choice before definitive surgery and helps to identify any associated cystic duct anomalies in these patients.
The Muslims in Hong Kong and their Religious Symbols
Syed Minhaj ul Hassan 한국이슬람학회 2015 한국이슬람학회논총 Vol.25 No.2
The history of Muslims in Hong Kong, or we can say in this area, dates back to 7 th century AD, when the Holy Prophet Muhammad sent one of his companions to Canton, now Guangzhou, in China, thus started the Muslims religious and cultural life in this part of the world. The Muslims have their distinct religious and cultural values and norms and the Muslims of Hong Kong are no exemption. The Muslims of Hong Kong like other Muslims in other parts of the world have preserved their religious life and culture through their religious symbols. Amongst these religious symbols the most important and omnipresent are their worshiping places known as Mosques and their burial places known as graveyards. Mosques are not only the prayers’ places but also community gathering places where the Muslims are supposed to not only pray five times daily but also to discuss their worldly as well as religious problems. The graveyards are the last abode of Muslims, which are visited by the Muslims on all auspicious occasions for the remembrance of their dead family members as well as friends.