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Novel energy recovery from an integrated municipal solid waste and leachate treatment system

Waste Disposal and Sustainable Energy 2024年第1期6卷 53-61页

作者： Siti Salwa Khamis Hadi Purwanto Hamzah mohd Salleh Alya Naili Rozhan Mohamed Abdur Rahman Mahammadsalman Warimani noor Alam Faculty of Engineering International Islamic University MalaysiaJalan Gombak53100Kuala LumpurMalaysia Department of Engineering Management Universitas Internasional Semen IndonesiaGresikIndonesia Halalan Thayyiban Research Centre Sultan Sharif Ali Islamic UniversityBandar Seri BegawanBrunei Department of Mechanical Engineering P.A.College of EngineeringMangaloreKarnataka574153India Department of Mechanical Engineering Malaysia-Japan International Institute of TechnologyUniversity of Technology Malaysia54100Kuala LumpurMalaysia

Population growth,waste generation,and massive waste mismanagement have led to environmental *** of municipal solid waste(MSW)requires an efficient and sustainable integrated *** integrated thermal processing of MSW is one of the best waste management *** this study,energy analysis of MSW is carried out based on the material and energy balance of 2000 kg wet MSW,which contains 50%*** the leachate is removed,the dry MSW is sent for carbon content enhancement in carbonization to produce MSW-based ***,the combustion of MSW-based char provided high heat and syngas to be used in a hydrothermal process for MSW leachate *** result shows that the char fuel of MSW produces a sufficient amount of energy,13501.29 MJ(84.55%),in the form of synthetic gas by-product,which has a big potential as an energy *** novelty of the proposed integrated thermal system is to produce 84.55%synthetic gas by-product,which is used for electricity production,cooking,food,and heat energy for industrial *** proposed applications of this paper offer insightful information for policymaking regarding novel MSW techniques,which are economical,energy-efficient,and environmentally ***,it increases the effectiveness of MSW utilization.

关键词： Energy Carbonization Hydrothermal Municipal solid waste Integrated system

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The protective effects of procyanidin C-1 on bisphenol A-induced testicular dysfunction in aged mice

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Food Science and Human Wellness 2022年第4期11卷 965-974页

作者： Mastura Abd Malek Razif Dasiman Nor-Ashikin Mohamed noor Khan Sofee Mohamed-Akhlak mohd-Hafi zi Mahmud Maternofetal and Embryo Research Group(MatE) Faculty of MedicineUniversiti Teknologi MARASelangor BranchSungai Buloh Campus47000 Sungai BulohSelangorMalaysia Faculty of Health Sciences Universiti Teknologi MARASelangor BranchPuncak Alam Campus42300 Puncak AlamSelangorMalaysia

The number and quality of sperm are decreased due to bisphenol A(BPA) exposure, an endocrine-disrupting chemical on the male reproductive system, especially in advanced paternal age(APA). Procyanidin C-1(PCY-1), an antioxidant from grape seed(Vitis vinifera L.), has demonstrated anti-viral, anti-melanogenic and immunostimulatory effects. Therefore, this study aims to determine the effects of PCY-1 intervention on sperm parameters, testis morphological changes, serum testosterone, oestradiol, and luteinizing hormone(LH) concentrations and the expression of apoptotic(Bax and Bcl-2) and mitochondria-related(Mfn1 and Opa1) genes in BPA-exposed aged mice. Results revealed that PCY-1 intervention improves aged male fertility in BPA-exposed conditions by decreasing abnormal sperms percentage and increasing spermatogenic cell diameter and epithelial height. PCY-1 also decreased oestradiol, and increased LH and testosterone levels. The gene expression of Bax was significantly down-regulated by PCY-1 intervention. In contrast, Bcl-2 was substantially up-regulated. Expression of Mfn1 and Opa1 genes were also significantly up-regulated in the PCY intervention group. Hence, it is demonstrated that PCY-1 was able to mitigate the adverse effects of BPA on reproductive parameters of aged mice. Collectively, we postulated that PCY-1 has a potential role in protecting the ageing male reproductive system against the damaging impacts of BPA.

关键词： Apoptosis Bisphenol A Procyanidin Mitochondrial dynamics Testis

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Application of Polygonum minus Extract in Enhancing Drought Tolerance in Maize by Regulating Osmotic and Antioxidant System

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Phyton-International Journal of Experimental Botany 2024年第2期93卷 213-226页

作者： Mingzhao Han Susilawati Kasim Zhongming Yang Xi Deng Md Kamal Uddin noor Baity Saidi Effyanti mohd Shuib Department of Land Management Faculty of AgricultureUniversiti Putra MalaysiaSerdang43400Malaysia Natural Medicines and Products Research Laboratory Institute of BioscienceUniversiti Putra MalaysiaSerdang43400Malaysia Department of Cell and Molecular Biology Faculty of Biotechnology and Biomolecular SciencesUniversiti Putra MalaysiaSerdang43400Malaysia

Drought stress is a major factor affecting plant growth and crop yield *** extracts as natural biostimulants hold great potential to strengthen plants to overcome drought *** explore the effect of Polygonum minus extract(PME)in enhancing drought tolerance in plants,a study was set up in a glasshouse environment using 10 different treatment *** foliar application were designed in CRD and effects were closely observed related to the growth,physiology,and antioxidant system changes in maize(Zea mays L.)under well-watered and drought *** seaweed extract(SWE)was used as a *** subjected to drought stress exhibited a significant reduction in fresh weight,dry weight,relative water content(RWC),and soluble sugar,but they stimulated the phenolic,flavonoid,proline,glutathione(GSH),malondialdehyde(MDA)and antioxidant enzyme(catalase,CAT;peroxidase,POD;superoxide dismutase,SOD)*** application of PME improved fresh and dry weight(FW:33.1%~41.4%;DW:48.0%~43.1%),chlorophyll content(Chl b:87.9%~100.76%),soluble sugar(23.6%~49.3%),and soluble protein(48.6%~56.9%)as well as antioxidant enzyme activities(CAT and POD)compared to CK under drought *** decreasing the level of ***,the mitigating effect of PME application with high concentration was more effective than those of *** study reveals that PME could alleviate drought stress by regulating osmoprotectant content and antioxidant defense system and can be used as an economical and environmentally friendly biostimulants for promoting maize growth under drought stress.

关键词： Drought biostimulants photosynthesis osmoprotectants antioxidants maize

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Review on underwater friction stir welding: A variant of friction stir welding with great potential of improving joint properties

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Transactions of Nonferrous Metals Society of China 2018年第2期28卷 193-219页

作者： mohd.Atif WAHID Zahid A.KHAN Arshad noor SIDDIQUEE Department of Mechanical Engineering Jamia Millia Islamia

Friction stir welding（FSW） is a solid-state welding process which is capable of joining materials which are relatively difficult to be welded by fusion welding process. Further, this process is highly energy-efficient and environmental-friendly as compared to the fusion welding. Despite several advantages of FSW over fusion welding, the thermal cycles involved in FSW cause softening in joints generally in heat-treatable aluminum alloys（AAs） due to the dissolution or coarsening of the strengthening precipitates leading to decrease in mechanical properties. Underwater friction stir welding（UFSW） can be a process of choice to overcome these limitations. This process is suitable for alloys that are sensitive to heating during the welding and is widely used for heat-treatable AAs. The purpose of this article is to provide comprehensive literature review on current status and development of UFSW and its importance in comparison to FSW with an aim to discuss and summarize different aspects of UFSW. Specific attention is given to basic principle including material flow, temperature generation, process parameters, microstructure and mechanical properties. From the review, it is concluded that UFSW is an improved method compared with FSW for improving joint strength. Academicians, researchers and practitioners would be benefitted from this article as it compiles significantly important knowledge pertaining to UFSW.

关键词： aluminum friction stir welding fusion welding mechanical properties microstructure underwater friction stir welding

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Review on Zinc Oxide Nanoparticles: Antibacterial Activity and Toxicity Mechanism

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Nano-Micro Letters 2015年第3期7卷 219-242页

作者： Amna Sirelkhatim Shahrom Mahmud Azman Seeni noor Haida Mohamad Kaus Ling Chuo Ann Siti Khadijah mohd Bakhori Habsah Hasan Dasmawati Mohamad Nano-Optoelectronics Research and Technology Laboratory (N.O.R.Lab) School of Physics Universiti Sains Malaysia Advanced Medical and Dental Institute Cluster of Integrative Medicine Universiti Sains Malaysia School of Chemical Sciences Universiti Sains Malaysia Nano-Optoelectronics Research and Technology Laboratory(N.O.R.Lab) School of Physics Universiti Sains Malaysia Department of Medical Microbiology Parasitology and Immunology School of Medical Sciences Universiti Sains Malaysia School of Dental Sciences Universiti Sains Malaysia

Antibacterial activity of zinc oxide nanoparticles(Zn O-NPs) has received significant interest worldwide particularly by the implementation of nanotechnology to synthesize particles in the nanometer region. Many microorganisms exist in the range from hundreds of nanometers to tens of micrometers. Zn O-NPs exhibit attractive antibacterial properties due to increased specific surface area as the reduced particle size leading to enhanced particle surface reactivity. Zn O is a bio-safe material that possesses photo-oxidizing and photocatalysis impacts on chemical and biological species. This review covered Zn O-NPs antibacterial activity including testing methods, impact of UV illumination, Zn O particle properties(size, concentration, morphology, and defects), particle surface modification, and minimum inhibitory concentration. Particular emphasize was given to bactericidal and bacteriostatic mechanisms with focus on generation of reactive oxygen species(ROS) including hydrogen peroxide(H2O2), OH-(hydroxyl radicals), and O2-2(peroxide). ROS has been a major factor for several mechanisms including cell wall damage due to Zn O-localized interaction, enhanced membrane permeability, internalization of NPs due to loss of proton motive force and uptake of toxic dissolved zinc *** have led to mitochondria weakness, intracellular outflow, and release in gene expression of oxidative stress which caused eventual cell growth inhibition and cell death. In some cases, enhanced antibacterial activity can be attributed to surface defects on Zn O abrasive surface texture. One functional application of the Zn O antibacterial bioactivity was discussed in food packaging industry where Zn O-NPs are used as an antibacterial agent toward foodborne diseases. Proper incorporation of Zn O-NPs into packaging materials can cause interaction with foodborne pathogens, thereby releasing NPs onto food surface where they come in contact with bad bacteria and cause the bacterial death and/or in

关键词： Antibacterial activity Zn O-NPs Toxicity mechanism Reactive oxygen species Zinc ions release Food antimicrobial

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Asian Pacific Journal of Tropical Biomedicine 2012年第9期2卷 755-756页

作者： Jaafar Juanarita mohd noor Raja Azmi Yaakub Azhany Ahmad Tajudin Liza-Sharmini Department of Ophthalmology School of Medical SciencesUniversiti Sains Malaysia

A 24 year-old Malay lady presented with high grade fever,myalgia,generalized rashes,severe headache and was positive for dengue serology *** lowest platelet count was 45×10~9 cells/*** complained of sudden onset of painlessness,profound loss of vision bilaterally 7 days after the onset of *** examination,her right eye best corrected vision was 6/30 and left eye was6/*** anterior segment examination was *** revealed there were multiple retinal haemorrhages found at posterior pole of both fundi and elevation at fovea area with subretinal *** examination revealed normal findings except for residual petechial *** was managed *** vision improved tremendously after 2 *** retinal hemorrhages and foveal elevation showed sign of *** manifestations following dengue fever is ***,bilateral visual loss can occur if both fovea arc involved.

关键词： Dengue fever Maculopathy Foveolitis

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High Gain of UWB Planar Antenna Utilising FSS Reflector for UWB Applications

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Computers, Materials & Continua 2022年第1期70卷 1419-1436页

作者： Ahmed Jamal Abdullah Al-Gburi Imran Bin mohd Ibrahim Zahriladha Zakaria Badrul Hisham Ahmad noor Azwan Bin Shairi Mohammed Yousif Zeain Department of Electronics and Computer Engineering(FKEKK) Center for Telecommunication Research and Innovation(CeTRI)Universiti Teknikal Malaysia Melaka(UTeM)Durian TunggalMalaccaMalaysia

In this paper,a high gain and directional coplanarwaveguide(CPW)-fed ultra-wideband(UWB)planar antenna with a new frequency selective surface(FSS)unit cells design is proposed for UWB *** proposed UWB antenna was designed based on the Mercedes artistic-shaped planar(MAP)*** antenna consisted of a circular ring embedded with three straight legs for antenna impedance bandwidth *** modelled FSS used the integration of a two parallel conductive metallic patch with a circular loop *** FSS provided a UWB stopband filter response covering a bandwidth of 10.5 GHz,for frequencies from 2.2 to 12.7 *** proposed FSS had a compact physical dimension of 5 mm×5 mm×1.6 mm,with a printed array of 19×19 FSS unit *** FSS unit cells were printed on only one side of the dielectric FR4 substrate and placed as a sandwich between the antenna and the reflector ground *** equivalent circuit configuration(ECC)was used to verify the FSS unit cell structure’s *** simulated results indicated that the UWB MAP antenna and FSS reflector provided a fractional bandwidth of 136%and a high gain of 11.5 dB at 8.5 GHz with an acceptable radiation efficiency of 89%.Furthermore,the gain was improved across the operating band and kept between 8.3 and 11.5 *** proposed antenna was in good agreement between theoretical and experimental results and offered a wide enough bandwidth for UWB and vehicle applications.

关键词： UWB MAP antenna stable gain FSS reflector ECC stopband response reflection phase

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Enzymatic recovery of glycopeptides from different industrial grades edible bird’s nest and its by-products:nutrient,probiotic and antioxidant activities,and physicochemical characteristics

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Food Science and Human Wellness 2022年第6期11卷 1555-1564页

作者： Hidayati Syamimi mohd noor Rafi dah mohd Ariff Lee Sin Chang Xin Yi Chai Hui Yan Tan Nur’Aliah Daud Abdul Salam Babji Seng Joe Lim Faculty of Science and Technology Universiti Kebangsaan MalaysiaBangi 43600Malaysia International Institute for Halal Research and Training(INHART) International Islamic University Malaysia(IIUM)Jalan Gombak 53100Malaysia Faculty of Applied Sciences UCSI University Kuala LumpurCheras 56000Malaysia Faculty of Agriculture Science and Technology Universiti Putra Malaysia Bintulu CampusBintulu 97008Malaysia Innovative Centre for Confectionery Technology(MANIS) Faculty of Science and TechnologyUniversiti Kebangsaan MalaysiaBangi 43600Malaysia

This study was conducted to recover edible bird’s nest(EBN)hydrolysates from different grades of EBN,including the industrial by-products,using enzymatic *** nutrient,physicochemical properties and antioxidant activities of the recovered hydrolysates at different hydrolysis times were *** showed that the recovery yield of enzymatic hydrolysis was above 89%for all grades of EBN and the degree of hydrolysis increased over *** content(0.321-0.433 mg/L)was below the permissible tolerance level for all ***,the antioxidant activities(DPPH and ABTS scavenging activities and ferric reducing antioxidant powder(FRAP)activity)were significantly higher(P≤0.05)in hydrolysates recovered from EBN by-products(EBNhC and EBNhD)as compared to the high grade EBN hydrolysates(EBNhA and EBNhB).The in-vitro probiotic activity of EBN and its hydrolysates were examined using the probiotic bacterium Lactobacillus ***,EBN by-products hydrolysate(EBNhD)recorded the highest number of ***(1.1×1011 CFU/mL),indicating that low grade EBN has the potential as prebiotic material that promotes probiotic *** study demonstrated the concept of using EBN by-products hydrolysates for various applications,such as functional ingredients with enhanced bioactivities,to improve its economic value.

关键词： Edible bird’s nest by-products Enzymatic hydrolysis Glycopeptides Lactobacillus plantarum Probiotic activity

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T6SS-5 and the cGAS-STING pathway in Burkholderia pseudomallei infection and immunity

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Asian Pacific Journal of Tropical Biomedicine 2023年第3期13卷 94-103页

作者： Noreafifah Semail Nik mohd noor Nik Zuraina Yasmin Khairani Muhammad Ismadi Nurul Iman Mohamad Azian Harun Ismail Aziah Zakuan Zainy Deris Department of Medical Microbiology and Parasitology School of Medical SciencesUniversiti Sains Malaysia16150 Kubang KerianKelantanMalaysia School of Biology Faculty of Applied ScienceUniversiti Teknologi MaraShah Alam40450 SelangorMalaysia Institute for Research in Molecular Medicine Universiti Sains Malaysia16150 Kubang KerianKelantanMalaysia

Burkholderia pseudomallei is a causative agent of melioidosis that can infect humans and animals in endemic countries,specifically in Southeast Asia and tropical Australia.A fundamental component for the pathogenesis of Burkholderia pseudomallei is the capability of the bacterium to enter,survive,replicate,and cause disease in a host cell by inducing the host cell *** fusion results in multinucleated-giant cell formation,thus enabling the dissemination of Burkholderia pseudomallei *** reacts to Burkholderia pseudomallei infection by activating the cGAS-STING pathway and subsequently limiting host's aberrant cell division and cellular replication by inducing autophagic cell *** this review,we discuss the host-pathogen interactions between the typeⅥsecretion system 5(T6SS-5)of Burkholderia pseudomallei and human cGAS pathway in melioidosis *** T6SS-5 is a main virulent factor in Burkholderia pseudomallei and the c GAS pathway is vital for host immune response,elucidating their functions is important for better understanding the pathogenesis of Burkholderia pseudomallei.

关键词： Burkholderia pseudomallei Melioidosis T6SS-5 c GAS-STING IFN-1

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Physicochemical Properties, Baking Performance and Sensory Evaluation of Bakery Shortening Enriched with Diacylglycerol

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Journal of Food Science and Engineering 2015年第2期5卷 58-66页

作者： noor Hidayu Othman Ahmadilfitri Md noor mohd Suria Affandi Yusoff Sime Darby Research Sdn. Bhd. R&D Centre-Downstream Lot 2664 Jalan Pulau Carey Pulau Carey 42960 Selangor Malaysia

The purpose of this study was to investigate the suitability of palm diacylglycerol （PDAG）-enriched formulations for bakery shortening. Three types of palm diacylglycerol olein （PDAGOL） at different degree of unsaturation （PDAGOL1V56, PDAGOLIV62 and PDAGOLIV64） were used as main raw materials blended with palm stearin （PS）. The blending compositions ranged from 30% to 70% of PDAGOLIV56/PS, PDAGOLIV62/PS and PDAGOLIV64/PS, respectively. The physicochemical properties of all binary blend systems were characterized for fatty acid composition （FAC）, slip melting point （SMP） and solid fat content （SFC）. The selected bakery shortening formulations were further characterised for polymorphic form of fat crystal and thermal behavior, using X-ray diffractometer （XRD） and differential scanning calorimetry （DSC）. Bakery shortening enriched with diacylglycerol that were produced from 40DS56 （40% PDAGOLIV56/60% PS）, 40DS62 （40% PDAGOL1V62/60% PS） and 40DS64 （40% PDAGOLIV64/60% PS） had 45%-50% unsaturated fatty acid and crystallized in β ＋ β polymorphs; thus they were suitable for shortening system. Based on product＇s baking performance, it could be found that all Madeira cakes prepared from bakery shortening enriched with diacylglycerol had higher specific cake volume as compared to commercial shortening （CS）. In customer acceptance test, Madeira cake made from 40DS56 shortening scored the highest rating for all sensory attributes, including overall customer acceptability. It had given an indication that 40DS56 shortening formulation was the most suitable fat blends to be used as bakery shortening.

关键词： Diacylglycerol shortening baking sensory.

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