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Physical property improvement of fluid shortening using peanut oil-based diacylglycerols and their applications in sponge cake

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Grain & Oil Science and Technology 2024年第3期7卷 150-158页

作者： Yilin Du Shuo Zou Yee-Ying Lee Yong Wang Zhen Zhang JNU-UPM International Joint Laboratory on Plant Oil Processing and Safety Department of Food Science and EngineeringJinan UniversityGuangzhouGuangdong 510632China school of Science Monash University MalaysiaBandar Sunway 47500SelangorMalaysia

Fluid shortening is an important ingredient in the production of sponge cake. Peanut oil with 0, 43% and 85% of diacylglycerol content was used as the base oil. Different emulsifiers, such as glycerol monostearate, soy lecithin and sucrose ester, and their respective amounts, were investigated. It was found that the addition of emulsifiers had a positive effect on water-absorbing capacity, air-absorbing capacity and viscosity of the oils. Glycerol monostearate was the preferred emulsifier for fluid shortening with a recommended addition of 1.5%. The effects of different diacylglycerol content on fluid shortening and their impact on sponge cake production was also investigated. The onset oxidation temperature of the oil could be increased from 253.21 ℃ for PO-TAG-based fluid shortening to 263.70 ℃ for PO-DAG85-based fluid shortening. And the increase in diacylglycerol content leading to a lower specific gravity of the batter, which was 1.06 g/mL, 1.02 g/mL and 0.98 g/mL prepared by PO-DAG, PO-DAG43 and PO-DAG85 shortening, respectively. The results showed that diacylglycerols can be used as base oils in fluid shortening to improve the crystal network and stability of fluid shortenings, thereby reducing the specific gravity of the batter and improving the structural properties of the cake. This will extend the potential applications of diacylglycerols and increase the variety of base oils available for fluid shortening preparation.

关键词： Fluid shortening Diacylglycerol Emulsifier Sponge cake

变废为宝:“蓝色循环”海洋塑料废物管理新策略

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Science Bulletin 2024年第8期69卷 993-996页

作者：余灏轩 Izni Zahidi Chow Ming Fai 梁东方 DagØivind Madsen Department of Civil engineering School of EngineeringMonash University MalaysiaBandar Sunway 47500Malaysia monash Climate-Resilient Infrastructure Research Hub(M-CRInfra) School of EngineeringMonash University MalaysiaBandar Sunway 47500Malaysia Department of engineering University of CambridgeCambridge CB21PZUK Davis school of Business Colorado Mesa UniversityGrand Junction 81501-3122USA

The"Blue Circle"vision,initiated by Zhejiang Province in China,represents a groundbreaking advancement in addressing marine plastic *** more than just an innovative concept,it embodies a future-forward approach to managing marine plastic waste,revealing the untapped potential in what was previously considered mere *** initiative,marrying scientific innovation with advanced technology,has been rightfully acknowledged with the prestigious2023 United Nations"Champions of the Earth"award,recognizing its innovative strategy in environmental stewardship(https://***/a/202310/31/***).

关键词： breaking debris initiated

Autophagy and mitophagy as potential therapeutic targets in diabetic heart condition:Harnessing the power of nanotheranostics

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Asian Journal of Pharmaceutical Sciences 2024年第3期19卷 79-101页

作者： Sagnik Nag Oishi Mitra Bhanu Maturi Simran Preet Kaur Ankita Saini Muskan Nama Soumik Roy Souvik Samanta Leena Chacko Rohan Dutta Suresh Babu Sayana Vetriselvan Subramaniyan Jasvinder Singh Bhatti Ramesh Kandimalla Jeffrey Cheah school of Medicine and Health Sciences Monash University MalaysiaJalan Lagoon Selatan47500 Bandar SunwaySelangorMalaysia Department of Bio-Sciences School of Bio-Sciences&Technology(SBST)Vellore Institute of Technology(VIT)Tiruvalam RoadVellore 632014Tamil NaduIndia Department of Internal Medicine University of Alabama at BirminghamBirminghamALUSA Department of Microbiology University of Delhi(South Campus)Benito Juarez RoadNew Delhi 110021India Department of Biotechnology Indian Institute of TechnologyHyderabad(IIT-H)SangareddyTelangana 502284India BioAnalytical Lab Meso Scale Discovery1601 Research BlvdRockvilleMDUSA Department of Pharmacology Government Medical CollegeSuryapetTelanganaIndia Laboratory of Translational Medicine and Nanotherapeutics Department of Human Genetics and Molecular MedicineSchool of Health SciencesCentral University of PunjabBathindaIndia Department of Biochemistry Kakatiya Medical CollegeWarangal 506007India

Autophagy and mitophagy pose unresolved challenges in understanding the pathology of diabetic heart condition(DHC),which encompasses a complex range of cardiovascular issues linked to diabetes and associated *** significant progress in reducing mortality rates from cardiovascular diseases(CVDs),heart failure remains a major cause of increased morbidity among diabetic *** cellular processes are essential for maintaining cellular balance and removing damaged or dysfunctional components,and their involvement in the development of diabetic heart disease makes them attractive targets for diagnosis and *** a variety of conventional diagnostic and therapeutic strategies are available,DHC continues to present a significant ***-of-care diagnostics,supported by nanobiosensing techniques,offer a promising alternative for these complex *** conventional medications have been widely used in DHC patients,they raise several concerns regarding various physiological *** medicine places great emphasis on the application of nanotechnology to target autophagy and mitophagy in DHC,offering a promising approach to deliver drugs beyond the limitations of traditional *** article aims to explore the potential connections between autophagy,mitophagy and DHC,while also discussing the promise of nanotechnology-based theranostic interventions that specifically target these molecular pathways.

关键词： Autophagy Diabetes Diabetic heart condition Mitophagy Nanotheranostics Nanomedicine

Microbial and heavy metal contamination in commonly consumed traditional Chinese herbal medicines

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Journal of Traditional Chinese Medicine 2013年第1期33卷 119-124页

作者： Adelinesuyien Ting Yiingyng Chow Weishang Tan school of Science Monash University Sunway Campus Jalan Lagoon Selatan Bandar Sunway 46150 Petaling Jaya Selangor Malaysia

OBJECTIVE： The increasing popularity and widespread use of traditional Chinese herbs as alterna- tive medicine have sparked an interest in understanding their biosafety, especially in decoctions that are consumed. This study aimed to assess the level of microbial and heavy metal contamination in commonly consumed herbal medicine in Malay- sia and the effects of boiling on these contamination levels. METHODS： Four commonly consumed Chinese herbal medicine in Malaysia-＂Eight Treasure Herbal Tea＂, ＂Herbal Tea＂, Xiyangshen （Radix Panacis Quin- quefolii） and Dangshen （Radix Codonopsis） were evaluated in this study. Herbal medicines were pre- pared as boiled and non-boiled decoctions, and their microbial enumeration and heavy metal detection were conducted with plate assay and atom- ic absorption spectroscopy, respectively. RESULTS： Findings revealed that herbal medicines generally had 6 Iogl0cfu/mL microbial cells and that boiling had significantly reduced microbial contaminants, where no Bacillus spp., Staphylococcus spp. and Clostridium spp. were recovered. Heavy metals such as Mn, Cu, Cd, Pb, Fe and Zn were also detect- ed from all the samples, generally in low concentra- tions （〈1 mg/L） except for Mn （18.545 mg/L）. All de- coctions （after boiling） have reduced concentra- tions of Cu, while others were not significantly dif- ferent. Comparisons between samples with single and multi-herbs suggest level of microbial and metal contamination is not influenced by number of herbs in sample. CONCLUSION： Herbal medicines generally have microbial and heavy metal contaminants. However, the boiling process to generate decoctions was able to successfully reduce the number of microbes and Cu, ensuring safety of herbal medicines for consumption.

关键词： Decoction processing Drug contamination Heavy metal poisoning, nervous system Microbial consortia Drugs, Chinese herbal

Multifunctional, Sustainable, and Biological Non-Ureolytic Self-Healing Systems for Cement-Based Materials

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engineering 2022年第6期8卷 217-237页

作者： Mohammad Fahimizadeh Pooria Pasbakhsh Lee Sui Mae Joash Ban Lee Tan R.K.Singh Raman school of engineering Monash University MalaysiaBandar Sunway 47500Malaysia school of Science Monash University MalaysiaBandar Sunway 47500Malaysia Tropical Medicine and Biology Multidisciplinary Platform Monash University MalaysiaBandar Sunway 47500Malaysia Department of Chemical engineering&Department of Mechanical and Aerospace engineering Monash UniversityClaytonVIC 3168Australia

Microbially induced calcium carbonate(CaCO_(3))precipitation(MICP)has been investigated as a sustain-able alternative to conventional concrete remediation methods for improving the mechanical properties and durability of concrete *** date,urea-dependent MICP is the most widely employed MICP pathway in biological self-healing concrete research as its use has resulted in efficient CaCO_(3) precipita-tion ***_(3) is a byproduct of ureolysis,and can be hazardous to cementitious structures and the health of various ***,non-ureolytic bacterial concrete self-healing systems have been developed as eco-friendly alternatives to urea-dependent self-healing ***-ureolytic pathways can improve the physical properties of concrete samples and incorporate the use of waste materials;they have the potential to be cost-effective and ***,they can be applied in terrestrial and marine *** date,research on non-ureolytic concrete self-healing systems has been scarce compared to that on ureolytic *** article discusses the advances and challenges in non-ureolytic bacterial concrete self-healing studies and highlights the directions for future research.

关键词： Self-healing concrete Mechanical properties Durability Non-ureolytic pathways Cement composite Sustainability

A parametric study of methane decomposition into carbon nanotubes over 8Co-2Mo/Al_2O_3 catalyst

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Journal of Natural Gas Chemistry 2011年第1期20卷 84-89页

作者： Siang-Piao Chai Choon-Ming Seah Abdul Rahman Mohamed school of engineering Monash UniversityJalan Lagoon Selatan school of Chemical engineering Engineering Campus University Sains Malaysia Seri Ampangan

The effects of reaction temperature, partial pressure of methane, catalyst weight and gas hourly space velocity （GHSV） on methane decomposition were reported. The decomposition reaction was performed in a vertical fixed-bed reactor over 8Co-2Mo/Al 2 O 3 catalyst. The experimental results show that these four process parameters studied had vital effects on carbon yield. As revealed by the electron microscopy and Raman spectroscopy analyses, the reaction temperature and GHSV governed the average diameter, the diameter distribution and the degree of graphitization of the synthesized carbon nanotubes （CNTs）. Also, an evidence is presented to show that higher temperatures and higher GHSV favored the formation of better-graphitized CNTs with larger diameters.

关键词： methane chemical vapor deposition Co-Mo/Al 2 O 3 carbon nanotubes parametric study

Control of iron nanoparticle size by manipulating PEG-ethanol colloidal solutions and spin-coating parameters for the growth of single-walled carbon nanotubes

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Particuology 2013年第4期11卷 394-400页

作者： Choon-Ming Seah Siang-Piao Chai Satoshi Ichikawa Abdul Rahman Mohamed school of Chemical engineering Engineering CampusUniversiti Sains Malaysia Chemical engineering Discipline School of EngineeringMonash University Institute for NanoScience Design Osaka University

Iron catalyst nanoparticles were prepared on silicon wafers by spin-coating colloidal solutions containing iron nitrate, polyethylene glycol （PEG） and absolute ethanol. The effects of various spin-coating conditions were investigated. The findings showed that the size of the iron particles was governed by the composition of the colloidal solution used and that a high angular speed was responsible for the formation of a thin colloidal *** effect of angular acceleration on the size and distribution of the iron particles were found to be insignificant. It was observed that a longer spin-coating duration provoked the agglomeration of iron particles, leading to the formation of large particles. We also showed that single-walled carbon nanotubes could be grown from the smallest iron catalyst nanoparticles after the chemical vapor deposition of methane.

关键词： Iron nanoparticleSpin coatingColloidSingle-walled carbon nanotube

Utilization of compressed natural gas for the production of carbon nanotubes

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Journal of Natural Gas Chemistry 2012年第6期21卷 620-624页

作者： Kim-Yang Lee Wei-Ming Yeoh Siang-Piao Chai Abdul Rahman Mohamed school of Chemical engineering Engineering Campus Universiti Sains Malaysia Seri AmpanganNibong Tebal 14300 S. P. S. Pulau Pinang Malaysia school of engineering Monash University Jalan Lagoon SelatanBandar Sunway 46150 Selangor Malaysia

The present work aims at utilizing compressed natural gas （CNG） as carbon source for the synthesis of carbon nanotubes （CNTs） over CoO-MoO/Al2O3 catalyst via catalytic chemical vapor deposition （CCVD） method. The as-produced carbonaceous product was characterized by thermal gravimetric analyzer （TGA）, scanning electron microscopy （SEM）, transmission electron microscopy （TEM） and Raman spectroscopy. The experimental finding shows that CNTs were successfully produced from CNG while carbon nanofibers （CNFs） were formed as the side products. In addition, the catalytic activity and lifetime were found sustained and prolonged, as compared with using high purity methane as carbon source. The present study suggests an alternative route which can effectively produce CNTs and CNFs using low cost CNG.

关键词： compressed natural gas carbon nanotubes carbon nanofibers catalytic chemical vapor deposition

Conventional processes and membrane technology for carbon dioxide removal from natural gas:A review

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Journal of Natural Gas Chemistry 2012年第3期21卷 282-298页

作者： Zee Ying Yeo Thiam Leng Chew Abdul Rahman Mohamed Siang-Piao Chai Chemical engineering Discipline School of EngineeringMonash University46150 Bandar SunwaySelangorMalaysia Faculty of engineering and Green Technology(FEGT) Perak CampusUniversiti Tunku Abdul RahmanJalan UniversitiBandar Barat31900 KamparPerakMalaysia school of Chemical engineering Engineering CampusUniversiti Sains MalaysiaSeri Ampangan14300 Nibong TebalPenangMalaysia

Membrane technology is becoming more important for CO,_ separation from natural gas in the new era due to its process simplicity, relative ease of operation and control, compact, and easy to scale up as compared with conventional processes. Conventional processes such as absorption and adsorption for CO2 separation from natural gas are generally more energy demanding and costly for both operation and maintenance. Polymeric membranes are the current commercial membranes used for CO2 separation from natural gas. However, polymeric membranes possess drawbacks such as low permeability and selectivity, plasticization at high temperatures, as well as insufficient thermal and chemical stability. The shortcomings of commercial polymeric membranes have motivated researchers to opt for other alternatives, especially inorganic membranes due to their higher thermal stability, good chemical resistance to solvents, high mechanical strength and long lifetime. Surface modifications can be utilized in inorganic membranes to further enhance the selectivity, permeability or catalytic activities of the membrane. This paper is to provide a comprehensive review on gas separation, comparing membrane technology with other conventional methods of recovering CO2 from natural gas, challenges of current commercial polymeric membranes and inorganic membranes for CO2 removal and membrane surface modification for improved selectivity.

关键词： membrane technology inorganic membrane CO2 separation natural gas: surface modification