Ma’an Fahmi Rashid Alkhatib
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View article: Congested crossing pedestrian traffic flow: Dispersion versus transport in crowded areas
Congested crossing pedestrian traffic flow: Dispersion versus transport in crowded areas Open
This study investigates the complex dynamic interactions between two typed populations coexisting within a shared space. We propose both theoretical and numerical study to analyze scenarios where one population (population [Formula: see te…
View article: Optimizing 2-Nitrophenol and Chromium Adsorption from Water with Aluminium Oxide via Response Surface Methodology
Optimizing 2-Nitrophenol and Chromium Adsorption from Water with Aluminium Oxide via Response Surface Methodology Open
The study explored the efficacy of an innovative adsorbent crafted from carbon nanotubes and carbon nano fibbers integrated with aluminium oxide, in purging water solutions of both organic (2-Nitrophenol) and inorganic (Chromium III) conta…
View article: ADSORPTION PERFORMANCE OF FIXED-BED COLUMNS FOR THE REMOVAL OF PHENOL USING BAOBAB FRUIT SHELL BASED ACTIVATED CARBON
ADSORPTION PERFORMANCE OF FIXED-BED COLUMNS FOR THE REMOVAL OF PHENOL USING BAOBAB FRUIT SHELL BASED ACTIVATED CARBON Open
A continuous adsorption study in a fixed-bed column using baobab fruit shell activated carbon (BF-AC) was investigated for phenol removal from an aqueous solution. Baobab fruit shell (BFS) was chemically activated using potassium hydroxide…
View article: Capabilities of Novel Carbon Nano Adsorbents in Evaluating the Extraction of 2-Nitrophenol and Heavy Metal from Aqueous Solutions
Capabilities of Novel Carbon Nano Adsorbents in Evaluating the Extraction of 2-Nitrophenol and Heavy Metal from Aqueous Solutions Open
This study primarily focused on evaluating the efficacy of Metal Oxide-infused Carbon Nano Adsorbents (CNAs), which included both Carbon Nanotubes and Carbon Nanofibers, in removing Cd+2, Cr+3, and 2-NP from water solutions. We synthesized…
View article: EFFECT OF ACID MODIFICATION ON ADSORPTION OF ORTHO-NITROPHENOL FROM AQUEOUS SOLUTION BY MULTI WALL CARBON NANOTUBES AND CONICAL CARBON NANOFIBERS: CHARACTERIZATION, MODELLING AND PERFORMANCE
EFFECT OF ACID MODIFICATION ON ADSORPTION OF ORTHO-NITROPHENOL FROM AQUEOUS SOLUTION BY MULTI WALL CARBON NANOTUBES AND CONICAL CARBON NANOFIBERS: CHARACTERIZATION, MODELLING AND PERFORMANCE Open
This study examined the absorption of ortho-nitrophenol onto Conical carbon nanofibers (CCNFs) and multi-wall carbon nanotubes (MCNTs). The properties of the CNTs and CNFs were analyzed using various techniques such as X-ray diffraction, s…
View article: The performance of heteroatom-doped carbon nanotubes synthesized via a hydrothermal method on the oxygen reduction reaction and specific capacitance
The performance of heteroatom-doped carbon nanotubes synthesized via a hydrothermal method on the oxygen reduction reaction and specific capacitance Open
Due to the increasing demand for electrochemical energy storage, various novel electrode and catalysis materials for supercapacitors and rechargeable batteries have developed over the last decade. The structure and characteristics of these…
View article: Acid–Base Pretreatment and Enzymatic Hydrolysis of Palm Oil Mill Effluent in a Single Reactor System for Production of Fermentable Sugars
Acid–Base Pretreatment and Enzymatic Hydrolysis of Palm Oil Mill Effluent in a Single Reactor System for Production of Fermentable Sugars Open
Palm oil mill effluent (POME) is one of the main agro-industrial wastewaters in Malaysia. Highly polluting POME is a serious threat to the environment. In recent years, the methods used to treat POME are inefficient and complex in terms of…
View article: OPTIMISATION OF ACTIVATED CARBON PRODUCTION FROM BAOBAB FRUIT SHELLS BY CHEMICAL ACTIVATION WITH KOH FOR THE REMOVAL OF PHENOL
OPTIMISATION OF ACTIVATED CARBON PRODUCTION FROM BAOBAB FRUIT SHELLS BY CHEMICAL ACTIVATION WITH KOH FOR THE REMOVAL OF PHENOL Open
Activated carbons (ACs) were produced from baobab fruit shell (BFS) by varying the operating parameters of activation temperatures, activation times, and impregnation ratios using response surface methodology (RSM). Adsorption tests on an …
View article: Production and Characterization of Activated Carbon from Baobab Fruit Shells by Chemical Activation Using ZnCl<sub>2</sub>, H3PO4 and KOH
Production and Characterization of Activated Carbon from Baobab Fruit Shells by Chemical Activation Using ZnCl<sub>2</sub>, H3PO4 and KOH Open
Chemical agents have a good influence on the formation of activated carbons, surface characteristic, and its adsorption properties. In this study, the effect of activating agents (ZnCl 2 , KOH, and H 3 PO 4 ) on baobab fruit shell (BFS) we…
View article: Statistical Optimization of Adsorption Processes for The Removal of Phenol by Activated Carbon Derived from Baobab Fruit Shell
Statistical Optimization of Adsorption Processes for The Removal of Phenol by Activated Carbon Derived from Baobab Fruit Shell Open
Baobab fruit shell (BFS) biomass was used as an alternative precursor for producing high surface area and microporous baobab fruit shell activated carbon (BFS-AC) by chemical activation using KOH. Scanning electron microscope (SEM) was per…
View article: Simulation of biomass and municipal solid waste pellet gasification using Aspen Plus
Simulation of biomass and municipal solid waste pellet gasification using Aspen Plus Open
The work deals with the simulation of biomass and municipal solid waste pellet gasification using Aspen Plus software. The effects of key parameters on the composition of the emitted gas are discussed, including gasification temperature, m…
View article: Agarwood Branch Ethanolic Extract Affects Expression of Apoptotic Genes in MCF-7 Breast Cancer Cells
Agarwood Branch Ethanolic Extract Affects Expression of Apoptotic Genes in MCF-7 Breast Cancer Cells Open
Breast cancer is one of the most common death causes among women worldwide. Treatment is usually associated with chemically synthesized drugs with serious side effects which shifted the attention of cancer researchers towards development o…
View article: ADSORPTION OF METHYLENE BLUE ONTO ACTIVATED CARBON DEVELOPED FROM BAOBAB FRUIT SHELL BY CHEMICAL ACTIVATION: KINETIC EQUILIBRIUM STUDIES
ADSORPTION OF METHYLENE BLUE ONTO ACTIVATED CARBON DEVELOPED FROM BAOBAB FRUIT SHELL BY CHEMICAL ACTIVATION: KINETIC EQUILIBRIUM STUDIES Open
This article provides results of the usability of baobab fruit shell to produce activated carbons by chemical activation using ZnCl2, H3PO4, and KOH. This study indicated that activated carbon produced from baobab fruit shell fruit can be …
View article: ENHANCEMENT OF THE CALORIFIC VALUE OF EM1707PTY FRUIT BUNCH (EFB) BY ADDING MUNICIPAL SOLID WASTE AS SOLID FUEL IN GASIFICATION PROCESS
ENHANCEMENT OF THE CALORIFIC VALUE OF EM1707PTY FRUIT BUNCH (EFB) BY ADDING MUNICIPAL SOLID WASTE AS SOLID FUEL IN GASIFICATION PROCESS Open
Empty fruit bunch (EFB), a biomass-based waste, was deemed a potential replacement for fossil fuel. It is renewable and carbon neutral. The efficient management of this potential energy will help to deal with the problem associated with fo…
View article: Influence of angled dispersion gas on coaxial atomization, spray and flame formation in the context of spray-flame synthesis of nanoparticles
Influence of angled dispersion gas on coaxial atomization, spray and flame formation in the context of spray-flame synthesis of nanoparticles Open
Liquid atomization determines the initial conditions for flame formation and particle synthesis. Without a stable flame, high droplet velocities and thus short droplet residence time in the flame may lead to droplets being injected into an…
View article: SURFACE FUNCTIONALIZATION OF MESOPOROUS HOLLOW CARBON NANOPARTICLES USING UV/OZONE TREATMENT
SURFACE FUNCTIONALIZATION OF MESOPOROUS HOLLOW CARBON NANOPARTICLES USING UV/OZONE TREATMENT Open
Carbon nanoparticles have been widely used in various applications. However, they are commonly known to have low dispersibility and chemical inertness which limit their practicallability in medical or biological area. Some studies have bee…
View article: Response Surface Optimization of Yield of Agarwood (Aquilaria Malaccensis) Leaf Extract using Soxhlet Extraction
Response Surface Optimization of Yield of Agarwood (Aquilaria Malaccensis) Leaf Extract using Soxhlet Extraction Open
from plant materials are continuously being tested using various techniques in the quest to find new therapeutic agents including from agarwood species. To date, the current existing method and parameters of extracting A. malaccensis leave…
View article: Understanding the effects of different parameters of Soxhlet extraction on bioactive compounds from Aquilaria malaccensis leaf through GCMS-based profiling
Understanding the effects of different parameters of Soxhlet extraction on bioactive compounds from Aquilaria malaccensis leaf through GCMS-based profiling Open
Bioactive compounds from plants have been shown to possess therapeutic values which are being used as medicine as well as ingredients for functional foods and nutraceuticals. While qualitative and quantitative studies on the bioactive comp…
View article: Effects of Time, Temperature, and Solvent Ratio on the Extraction of Non-Extractable Polyphenols with Anticancer Activity of Barhi Date Palm Kernels Extracts Using Response Surface Methodology
Effects of Time, Temperature, and Solvent Ratio on the Extraction of Non-Extractable Polyphenols with Anticancer Activity of Barhi Date Palm Kernels Extracts Using Response Surface Methodology Open
Dietary polyphenols exist in two forms; extractable polyphenols (EPP) or compounds solubilised by aqueous/organic solvents, and non-extractable polyphenols (NEPP) or compounds remain in the corresponding residues after the extraction. At p…
View article: Induction of Apoptosis and Cell Cycle Arrest in two Human Cancer A549 and HT29 Cells Lines by Barhi Date Palm Kernels Extracts and Three Isolated Cytotoxic Compounds
Induction of Apoptosis and Cell Cycle Arrest in two Human Cancer A549 and HT29 Cells Lines by Barhi Date Palm Kernels Extracts and Three Isolated Cytotoxic Compounds Open
Background and objectives: The initiation of apoptotic death in cancer cells is the aim of many chemotherapeutic strategies. As many anticancer agents have been discovered in natural plant sources, the search for novel phytochemicals displ…
View article: LIPASE IMMOBILIZATION ON FIBERS GRAFTED WITH POLYGLYCIDYL METHACHRYLATE
LIPASE IMMOBILIZATION ON FIBERS GRAFTED WITH POLYGLYCIDYL METHACHRYLATE Open
Lipase enzyme originated from wheat germ was immobilized on nylon -6- grafted with polyglycidyl methachrylate (PGMA). The immobilization of enzyme experiments were designed and studied using face centred central composite design (FCCCD) un…
View article: Column Efficiency of Fluoride Removal Using Quaternized Palm Kernel Shell (QPKS)
Column Efficiency of Fluoride Removal Using Quaternized Palm Kernel Shell (QPKS) Open
In this research, the adsorption potential of quaternized palm kernel shell (QPKS) to remove F − from aqueous solution was investigated using fixed-bed adsorption column. Raw palm kernel shell waste was reacted with 3-chloro-2-hydroxypropy…
View article: Preparation and Candida rugosa Lipase Immobilization on Nylon-6 Grafted and Aminated (Polyvinyl Benzyl Chloride) Microfibers
Preparation and Candida rugosa Lipase Immobilization on Nylon-6 Grafted and Aminated (Polyvinyl Benzyl Chloride) Microfibers Open
This paper demonstrates a simplified procedure for the preparation of a nylon-6 microfibers based support for the immobilization of Candida rugosa lipase via covalent attachment to enhance the stability and reusability of lipase. The prepa…
View article: Synthesis of fish gelatin nanoparticles and their application for the drug delivery based on response surface methodology
Synthesis of fish gelatin nanoparticles and their application for the drug delivery based on response surface methodology Open
Fish gelatin nanoparticle is produced using Tilapia fish skin for the first time by the two-step desolvation method. Fish gelatin is chosen for producing gelatin nanoparticles because no experiment have been done in using fish gelatin and …
View article: Fluoride removal by Palm Kernel Shell Activated Carbon (PKSAC): batch and isotherms approach
Fluoride removal by Palm Kernel Shell Activated Carbon (PKSAC): batch and isotherms approach Open
Fluoride, which is classified as one of the contaminant of water for human consumption by the World Health Organisation (WHO) has been recognised as one of the serious problem worldwide by contaminating the groundwater. According to WHO, t…
View article: Reuse Potential of Carbon Nanotubes in Removing Cadmium from Water
Reuse Potential of Carbon Nanotubes in Removing Cadmium from Water Open
Introduction: This study was aimed at determining the optimum condition for desorption of cadmium loaded carbon nanotubes (cCNTs) for re-adsorption of the same metal ion. Materials and Methods: Two independent parameters (contact time and …
View article: Bauxite mining and refinery: investigating prospective of red mud management strategies
Bauxite mining and refinery: investigating prospective of red mud management strategies Open
The bauxite or aluminum industry continues to play an important role in the global economy. However, efforts are still needed in the sector in order to meet the objective of the millennium for sustainability. Serious environmental and heal…
View article: Immobilization of fungal biomass with multi-walled carbon nanotubes as biosorbent
Immobilization of fungal biomass with multi-walled carbon nanotubes as biosorbent Open
Aim: This study was mainly highlighted on a combination of fungal biomass onto MWCNTs in order to enhance the positive integration of impurities removal in aqueous solution. Methodology and results:The immobilization of fungal biomass and …
View article: Understanding the significance variables for fabrication of fish gelatin nanoparticles by Plackett-Burman design
Understanding the significance variables for fabrication of fish gelatin nanoparticles by Plackett-Burman design Open
The aim of this experiment is to screen and to understand the process variables on the fabrication of fish gelatin nanoparticles by using quality-design approach. The most influencing process variables were screened by using Plackett-Burma…