Norain Isa

Norain Isa
Universiti Teknologi MARA | UiTM · Faculty of Applied Sciences

About

30
Publications
4,958
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
110
Citations
Citations since 2017
19 Research Items
88 Citations
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030

Publications

Publications (30)
Article
Full-text available
In recent decades, nanotechnology-based treatments have made significant strides. Compared to monometallic nanoparticles, bimetallic nanoparticles have gained a great deal of technological and scientific interest due to their superior properties in various applications, which include the treatment of infectious disorders. Bimetallic nanoparticles a...
Article
Full-text available
The academic laboratory provides academic assistance during the learning process, which often generates many types of hazardous wastes. To enhance safety and minimize the environmental effect in the academic laboratory, it is crucial to have proper laboratory waste disposal management. The objective of this study is to determine the risk associated...
Article
Full-text available
In this study, the zinc oxide nanorods (ZnONRs) were investigated as a possible ethanol sensor for environmental monitoring. The hydrothermal method was used to produce nanorods on indium tin oxide (ITO) substrates with the help of ZnO seed layer. Field emission scanning electron microscopy (FESEM) was used to examine the morphology of ZnONRs onto...
Article
Full-text available
Biodiesel or fatty acid methyl ester (FAME) is a clean-burning renewable fuel that is alternative to petroleum fuel. In this study, chromium-aluminium (Cr-Al) mixed oxides were synthesized, characterized and used as catalyst in the transesterification of cooking palm oil (CPO) to produce FAME. The reactions were conducted in a batch reactor at temp...
Article
Full-text available
This study describes the synthesis of silver nanoparticles (AgNPs) using shortleaf spikesedge extract (SSE) to reduce AgNO3. Visual observation, in addition to analyses of UV-vis, EDX, XRD, FTIR, and TEM was employed to monitor the formation of AgNPs. The effects of SSE concentration, AgNO3 concentration, reaction time, pH, and temperature on the s...
Article
Full-text available
The popularity of AgNPs has increased in a variety of fields due to their unique properties in terms of optical, electrical, and antibacterial properties. Thus, study on the formation and toxicity of AgNPs are critical. In this study, AgNPs were prepared via a biological method utilizing Beijing grass extract (BGE) as the reducing agent and silver...
Article
Full-text available
TiO2 nanotubes (TNTs) with self-aligned 7.25 ± 0.51-µm length, 66.78 ± 4.18-nm diameter, and 41.48 ± 4.31-nm wall thickness were fabricated using Ti wire in an anodic process using an ethylene glycol (EG)/NH4F–air bubbles electrolyte. The possible growth of TNTs in the electrolyte with different water content was explored. It was found that the gro...
Article
Full-text available
In this work, surface plasmon resonance (SPR) was investigated over the effect of concentration of metal precursor, concentration of reducing agent, reaction time and pH on formation of silver nanoparticles (AgNPs) using biological method. In this method, Murdannia loriformis extract (MLE) was used as reducing agent and silver nitrate as metal prec...
Article
Full-text available
The objective of this study was to determine the effectiveness of kyllinga brevifolia (KB) with silver nanoparticles (AgNPs) as catalysts in the removal of tartrazine dye. The experiment was carried out in batch mode. Different parameter such as temperature, initial concentration, contact time and pH were studied. It was found that the equilibrium...
Article
Laboratory work, practical work, and practical work-related experiments are usually carried out in academic laboratories. Laboratory users are continuously exposed to hazardous substances and equipment in the laboratory. Limited research has been conducted on risk assessment in academic laboratories. However, there is no comprehensive review on haz...
Preprint
Full-text available
The textile industry is a heavy producer of wastewater, which may result in the discharge of toxic dyes into the environment. Methylene blue (MB) is an example of the most used dye in the textile industry. It is difficult to degrade MB under normal conditions due to its highly stable molecules. Therefore, a catalyst route is desired in MB reduction...
Article
Full-text available
Silver nanoparticles (AgNPs) were synthesized by green biological technique utilising kyllinga brevifolia extract (KBE) as reducing agents. The KBE was also found to be a good capping as well as stabilizing agent. The size, shape and dispersion of AgNPs were evaluated and compared with the results from the literature survey. The TEM image showed th...
Article
Full-text available
Biodiesel or fatty acid methyl ester (FAME) obtained via esterification process is an alternative for industrial and transportation fuel. In this study, chromium-titanium mixed oxides catalyst synthesized via sol-gel method was used to catalyse the esterification of palm fatty acid distillate (PFAD) to produce FAME. Esterification was conducted in...
Article
Full-text available
Silver nanoparticles (AgNPs) were prepared by reacting Kyllinga brevifolia extract (KBE) with AgNO3 aqueous solution at room temperature (22 ± 3 °C). The phytochemical constituents in KBE responsible for the reduction process were identified as carbohydrate, protein, and plant sterols (stigmasterol and campesterol). KBE was also found to function a...
Article
Full-text available
Tinospora crispa Miers (Menispermaceae) is a climbing vine with stems rich in warts. The plant is called Akar Seruntum or Patawali in Malaysia and is widely used for treating skin complaints, malaria, bacterial abscess, high blood pressure and diabetes. In the present study, the stems of T. crispa were collected from the locality and succesively ex...
Article
Full-text available
TiO2 nanotubes (TNTs) decorated with Ag nanoparticles (AgNPs) were fabricated first by anodisation of titanium wire to produce the TNTs then by dispersing AgNPs on the TNT arrays. The AgNPs were produced by reduction in kyllinga brevifolia extract. The AgNPs have diameter in the range of 10 – 30 nm measured from transmission electron microscope ima...
Conference Paper
Full-text available
Kyllinga brevifolia extract (KBE) was studied in this research as capping as well as reducing agent for the synthesis of greener plant mediated silver nanoparticles. This research was conducted in order to identify the compounds in the KBE that probable to work as reductant for the synthesis of Kyllinga brevifolia-mediated silver nanoparticles (AgN...
Conference Paper
Full-text available
Metallic nanoparticles are well known of having wide applications in various fields such as, catalysis, electronics, energy, chemistry and medicine due to its unique physico-chemical properties. In this study, nanocatalyst Kyllinga brevifolia-mediated silver nanoparticles (AgNPs) were prepared by reduction of silver nitrate using aqueous extract of...
Article
Full-text available
The potentiality of base modified oil palm fiber (OPF) in the removal of Cd(II) in aqueous solution was investigated as compared to commercial activated carbon (AC). Base modification of OPF were carried out by using dilute solutions (0.013 M) of NaOH, KOH and Ca(OH)2. A series of experiment were conducted in a batch system to assess the effect of...
Article
Hesperidin is a flavonone glycoside found in sweet orange and is effectively used in treatment for pain and disease. Although it plays a big role in the pharmaceutical area, hesperidin has a poor water soluble property. β-cyclodextrin (β-CD), a macrocyclic host with hydrophobic cavity and hydrophilic outer surface is a common pharmaceutical applica...
Article
Full-text available
A new biomass, Canarium Odontophyllum (Dabai) nutshell was discovered as prospective raw material for the preparation of activated carbon (AC). The activation process was performed with phosphoric acid (H3PO 4) in different concentrations 20, 40, 60 and 80 wt. % followed by carbonization process at 700 °C for 2 hours in nitrogen gas flow.The effect...
Article
Full-text available
Biopesticides have gained prominence as potential plant protecting agents. The stems of Tinospora crispa, a tropical plant, have been reported to possess insecticidal properties. However, study on the effect of T. crispa against flea beetles is very limited. Therefore, this study was carried out to investigate the insecticidal properties of the chl...
Article
Full-text available
The emergence of biodegradable pesticides as safe option has reduced the problems that result from the use of synthetic insecticides, thus creating a renewed interest in their development and use in integrated pest management of crops. The objective of this study was to investigate the insecticidal properties of the chloroform (CETC), ethanol (EETC...
Article
Full-text available
This study investigate the potential use of untreated rice husk (URH) and base treated rice husk (BRH) for the removal of methylene blue (MB) from aqueous solution. Effect of initial dye concentration, contact time and sorbent dose on sorption were studied. The base treated rice husk had higher adsorption capacities compared to the untreated rice h...
Conference Paper
Batch adsorption study was conducted to evaluate efficiencies of two different agriculture wastes as microsorbent to remove oil from aqueous solution. The agriculture waste used in this work were Durian Shell (DS) and Banana Pseudostems (BPS). A detailed batch study with respect to its adsorption equilibrium, isotherm and kinetics were carried out...
Article
Full-text available
The concentrations of heavy metals (Cu, Ni, Pb and Zn) in settled surface dust were collected from nine residential buildings in different areas in Seberang Prai Tengah District, Pulau Pinang. The samples of settled surface dust were collected in 1 m 2 area by using a polyethylene brush and placed in the dust pan by sweeping the living room floor m...
Conference Paper
Full-text available
Indoor floor dust is found to be one of the major sources of childhood exposure to indoor air pollutant. This preliminary study aims to carry out a general survey of heavy metal (Al, Ba, Cr, Cu, Fe, Ni and Pb) contamination at selected pre-schools buildings in Shah Alam, Selangor, and to study its relationship with the surrounding environment (outd...
Article
Full-text available
This paper reports the feasibility of using two Malaysian agricultural residues without modification; unmodified sugarcane bagasse (UMSCB) and unmodified coconut coir (UMCC) for the removal of Cd(II) from aqueous solution under different experimental conditions. Effect of various process parameters; contact time, initial metal ion concentration and...
Chapter
Full-text available
The concentrations of metals (Fe, Pb, Zn, Cu, Ni and Cd) in street dust samples were collected from differing areas (residential 1 and 2-low traffic density, industrial 1 and 2-medium traffic density, and, commercial 1 and 2-high traffic density) in Shah Alam city. The samples concentrations were determined by inductively coupled plasma-optical emi...

Network

Cited By