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A review of salivary composition changes induced by fasting and its impact on health

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Food Science and Human Wellness 2024年第1期13卷 50-64页

作者： Nurul Fadhilah Kamalul Aripin NIdayu Zahid mohd Aizat Abdul Rahim Hashim yaacob Parvez I.Haris Zubaidah Haji AbdRahim Rauzah Hashim School of Chemical Engineering College of EngineeringUniversiti Teknologi MARAShah Alam 40450Malaysia Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly Department of ChemistryFaculty of ScienceUniversiti MalayaKuala Lumpur 50603Malaysia Department of Oral and Craniofacial Sciences Faculty of DentistryUniversiti MalayaKuala Lumpur 50603Malaysia UMSC Dental Specialist Clinic UM Dentistry TowerUniversiti MalayaMedical CentreKuala Lumpur 50603Malaysia Leicester School of Allied Health Sciences De Montfort UniversityLeicester LE19BHUnited Kingdom Chancellery(Research and Innovation) Universiti MalayaKuala Lumpur 50603Malaysia

Human saliva is an indispensable fluid that maintains a healthy oral cavity which otherwise can lead to oral diseases(dental caries and periodontitis).In addition,salivary metabolites and microbiome profile provide early detection of systemic diseases such as cancer and *** diagnostic has gained popularity due to its non-invasive sampling ***(abstinence from food or drink or both)research for weight loss and improve health is common,but studies using fasting saliva are *** metabolites in fasting saliva have been reported with interesting results,which can be enhanced by considering different confounding *** example,fasting saliva contains higher salivary nitrite,which is related to nitric oxide(NO).NO is a vasodilator supporting the healthy function of endothelial cells and its deficiency is connected to many *** timely supply of NO through exogenous and endogenous means is highlighted and the potential advantage of fasting salivary composition changes in relation to COVID-19 infection is *** review aims to provide a general discussion on the salivary composition,properties,and functions of the whole saliva,including the health benefits of fasting.

关键词： Saliva Fasting Nitrate Nitrite Nitric oxide

Development of Knowledge,Attitude and Practice Questionnaire for age-related macular degeneration patients

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International Journal of Ophthalmology(English edition) 2023年第4期16卷 589-600页

作者： mohd Harimi Abd Rahman Prashanti Amirtharatnam Sharanjeet Sharanjeet-Kaur Sumithira Narayanasamy hanif Farhan mohd Rasdi Mae-Lynn Catherine Bastion Optometry and Vision Science Programme Center for Rehabilitation and Special Needs Studies(iCaRehab)Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 53000Malaysia Optometry and Vision Science Programme Center for Community Health Studies(Reach)Faculty of Health SciencesUniversity Kebangsaan MalaysiaKuala Lumpur 53000Malaysia Occupational Therapy Programme Center for Rehabilitation and Special Needs Studies(iCaRehab)Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 53000Malaysia Ophthalmology Department Faculty of MedicineUniversiti Kebangsaan MalaysiaKuala Lumpur 56000Malaysia

AIM:To develop and validate a questionnaire to evaluate knowledge,attitude and practice of patients diagnosed with age-related macular degeneration(AMD)who have undergone intravitreal injection ***:This study was conducted among patients diagnosed with AMD in Kuala *** generation of the instrument included four phases which included item and domains development,content,face validity and exploratory factor *** validity and modified Kappa was used for validation of knowledge *** factor analysis was used for validation of both attitude and practice *** validity was conducted in 12 patients,content validity was ascertained in 120 patients and test-retest reliability was determined in 39 patients with ***:Content validity index(CVI)and modified kappa showed excellent values for most items in the knowledge domain with CVI for item(I-CVI)values between 0.78-1.0 and Kappa values of>*** Kaiser-MeyerOlkin(KMO)sampling adequacy showed acceptable scores of 0.70 and 0.75 for both attitude and practice domains respectively and Bartlett’s Test of sphericity were significant(χ^(2)=0.00,P0.70 and good test-retest *** final version of the questionnaire consisted of 93 items from four sections consisting of demographic details,knowledge,attitude and ***:The findings of this validation and reliability study show that the developed questionnaire has a satisfactory psychometric property for measuring KAP of patients diagnosed with AMD undergoing intravitreal injection treatment.

关键词： knowledge attitudes practice age-related macular degeneration instrument development

Reproductive aspects of the coastal trevally,Carangoides coeruleopinnatus in Terengganu Waters,Malaysia

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Aquaculture and Fisheries 2022年第5期7卷 500-506页

作者： Muhammad hanif Fadzli Tun Nurul Aimi Mat Jaafar mohd Sharol Ali Nuralif Fakhrullah mohd Nur Min Pau Tan Rumeaida Mat Piah Faculty of Fisheries and Food Science Universiti Malaysia TerengganuKuala NerusTerengganu21030Malaysia Institute of Marine Biotechnology Universiti Malaysia TerengganuKuala NerusTerengganu21030Malaysia

This study describes for the first time the reproductive biology of the coastal trevally(Carangoides coeruleopinnatus)(Ruppel,1830)caught from Terengganu waters,*** sample collection from April 2019 to March 2020 was done at Pulau Kambing fish landing port in Terengganu,Malaysia.A total of 687 individuals comprise of 362 males(52.69%)ranged from 6.3 cm to 26.6 cm(mean±SD:13.2±3.84 cm)and 325 females(47.31%)ranged from 9.0 cm to 26.4 cm(mean±SD:13.9±3.34 cm)were *** sex ratio significantly deviated in favor of males(1:0.90)(χ^(2)=1.99).However,there are significant differences between sexes over months in June(χ^(2)=10.89),July(χ^(2)=11.91),August(χ^(2)=6.10)and September(χ^(2)=4.41).The monthly variation of the gonadosomatic index(IG)peaked between February and April for males and females,indicating its spawning *** interpretation between condition factor(K)and hepatosomatic index(IH)showed that the energy mobilization from the body assists the gonad *** batch fecundity of 42 mature females ranged from 15.7 cm to 21.4 cm,and mass was 142.6 g-333.0 g giving 20,438 to 121,829 *** length at first maturity of males and females were 12.45 cm and 15.78 cm,*** male reached earlier maturity than the *** study increases the understanding of reproductive aspects of *** for future formulation of rules and regulations for suitable fishery management in Terengganu waters.

关键词： Carangoides coeruleopinnatus Fecundity Length at maturity(Lm) Reproduction Sex ratio Spawning period

Nitrogen deposition and release pattern of slow release fertiliser made from urea-impregnated oil palm frond and rubberwood chips

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Journal of Forestry Research 2019年第6期30卷 2087-2094页

作者： Nur Nabilah Abdul Khalid Zaidon Ashaari Ahmad Husni mohd.hanif Azmy Mohamed Seng Hua Lee Department of Forest Production Faculty of ForestryUniversiti Putra Malaysia(UPM)43400 UPM SerdangSelangorMalaysia Institute of Tropical Forestry and Forest Products Universiti Putra Malaysia(UPM)43400 UPM SerdangSelangorMalaysia Department of Land Management Faculty of AgricultureUniversiti Putra Malaysia(UPM)43400 UPM SerdangSelangorMalaysia

The fertiliser industry faces a continuing challenge to improve the efficiency of their products,particularly of nitrogenous fertilisers,and to minimise adverse ***,a new slow release fertilizer,ureaimpregnated woodchips from tropical plant biomass(oil palm frond and rubberwood),was *** morphology of the impregnated woodchips was investigated by scanning electron microscopy and the success of impregnation of urea and nitrogen deposition into the woodchips was confirmed by energy dispersive X-ray *** nitrogen release patterns from impregnated woodchips fertiliser were simulated using a soil solution and distilled water as leaching solutions in a static condition for 768 h,release was slow and steady,although the release rate was lower in distilled water than in the soil solution.

关键词： Woodchips fertilizer Slow-release Urea Release pattern Nitrogen deposition

Thermal performance of cooling strategies for asphalt pavement: A state-of-the-art review

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Journal of Traffic and Transportation Engineering(English Edition) 2021年第3期8卷 356-373页

作者： Salam Ridha Oleiwi Aletba Norhidayah Abdul Hassan Ramadhansyah Putra Jaya Eeydzah Aminudin mohd Zul hanif Mahmud Azman Mohamed Ahmed Abdulameer Hussein School of Civil Engineering Faculty of EngineeringUniversiti Teknologi MalaysiaJohor Bahru 81300JohorMalaysia Department of Civil Engineering College of EngineeringUniversiti Malaysia PahangGambang 26300PahangMalaysia

Asphalt pavements absorb and store more heat than natural surfaces. Thus, high temperatures are emitted from conventional asphalt pavements, subsequently releasing heat into the atmosphere and contributing to the urban heat island(UHI) phenomenon. Several cool pavement strategies, including the provision of additives and materials, surface coating and layer design, have been introduced to reduce the impact of UHI. This article provides a detailed review of the thermal properties of these mitigation measures in the context of cool asphalt pavements. The literature can be divided into three segments. The first segment discusses the impact of pavements on UHI and heat transfer mechanisms in pavements. The second segment focuses on various thermo physical properties that play an important role in mitigation measures;these properties include albedo(a), emissivity(e),solar reflective index, thermal conductivity(k), specific heat capacity(Cp) and thermal diffusivity. The third segment discusses cool asphalt pavement strategies which specifically cover the ability of the pavement to absorb and reflect solar energy on the basis of the materials and treatments used. The literature reveals that cooling strategies that deal with the pavement surface are important due to its direct incident solar effect, which depends on surface colour, material, shape and roughness. By using high-albedo and high-emissivity surfaces, the pavement can store less heat and lower the surface temperature. These results can also be achieved by designing the materials and pavement layers with low thermal conductivity and high specific heat capacity to reduce thermal diffusivity and pavement temperature and thus combat the heat radiated by the asphalt pavement.

关键词： Road engineering Urban heat island Cool pavements Asphalt pavement Thermal properties

Diagnostic evaluation of optical coherence tomography parameters in normal, preperimetric and perimetric glaucoma patients

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International Journal of Ophthalmology(English edition) 2022年第11期15卷 1782-1790页

作者： Aimy Mastura Zurairah Yusof Othmaliza Othman Seng Fai Tang mohd Rohaizat Hassan Norshamsiah Md Din Department of Ophthalmology Tuanku Mizan Armed Forces HospitalKuala Lumpur 53300Malaysia Department of Ophthalmology UKM Medical CenterJalan Yaacob LatifCheras 56000Kuala LumpurMalaysia Department of Community Health UKM Medical CenterJalan Yaacob LatifCheras 56000Kuala LumpurMalaysia

AIM: To compare the diagnostic ability of glaucoma parameters measured by the optical coherence tomography(OCT) in normal, preperimetric glaucoma(PPG) and perimetric glaucoma(PG) patients. METHODS: This cross-sectional observational study includes 127 eyes of 127 subjects. Patients were divided into PPG(51 eyes), PG(46 eyes), and normal controls(30 eyes) based on clinical optic disc assessment and Humphrey visual field changes. The Heidelberg Spectralis OCT machine using Glaucoma Module Premium Edition software was used to measure the retinal nerve fiber layer(RNFL) and Bruch’s membrane opening-minimum rim width(BMO-MRW) to assess the optic nerve head and ganglion cell layer(GCL) thickness in the macula. RESULTS: RNFL, MRW, and GCL thickness were all significantly thinner in PG compared to PPG and the normal group. The BMO-MRW parameters showed better specificity(>70%) at 90% specificity compared to both RNFL and GCL parameters to discriminate normal, PPG, and PG patients. All BMO-MRW parameters showed higher area under curves(AUC) compared to RNFL and GCL parameters with the highest AUC observed in the superotemporal sector of the BMO-MRW(AUC=0.819 and and 0.897 between normal and PPG and PG groups respectively).CONCLUSION: While the BMO-MRW best discriminates PPG and PG against normal eyes, GCL parameters poorly differentiate the three groups.

关键词： glaucoma preperimetric ganglion cell layer Bruch’s membrane opening minimum rim width retinal nerve fibre layer

Short-Term Field Decomposition and Physico-Chemical Transformation of Jatropha Pod Biochar in Acidic Mineral Soil

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Open Journal of Soil Science 2014年第7期4卷 226-234页

作者： Cheah Poh Meng Ahmad Husni mohd hanif Samsuri Abd Wahid Luqman Chuah Abdullah Department of Chemical Engineering Faculty of Engineering Universiti Putra Malaysia Serdang Malaysia Department of Land Management Faculty of Agriculture Universiti Putra Malaysia Serdang Malaysia

Details regarding field decomposition and transformation of biochar in Malaysia are scarce. The objectives of this study were to investigate the physico-chemical changes experienced by Jatropha pod biochar (JPB) in acidic mineral soil under field condition. Elemental composition was determined using CHNS-O analyzer and surface area with Brunauer-Emmett-Teller (BET) method. The JPB surface chemistry and structure were studied using the Fourier Transform Infrared (FTIR) spectroscopy and 13C solid state Nuclear Magnetic Resonance (NMR) spectroscopy, respectively. The JPB short-term decomposition was investigated by using a litter bag study and decomposition data were best fitted by a hyperbolic decay model compared to an exponential decay model because no significant dry weight loss was detected after 4 months. Two phases (volatile and near stagnant) were detected for JPB field decomposition. The volatile phase was due to rapid loss of labile fraction such as carbohydrate during the initial 4 months. The near stagnant phase was probably due to adsorption of organic matter and soil minerals. The JPB was fragmented into smaller pieces, encouraging surface adsorption. Redox reaction was prominent as shown by the production of hydroxyl, carboxylic and phenolic functional groups. The JPB became more recalcitrant after 12 months of application to the soils.

关键词： Litter Bag Study Redox FTIR NMR Hyperbolic Decay Model

Estimation of red tip disease severity in pineapple using a non-contact sensor approach

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Agricultural Sciences 2013年第4期4卷 206-208页

作者： Siva Kumar Balasundram Faizah Abu Kassim Ganesan Vadamalai Ahmad Husni mohd hanif Department of Agriculture Technology Faculty of Agriculture Universiti Putra Malaysia Serdang Malaysia Department of Land Management Faculty of Agriculture Universiti Putra Malaysia Serdang Malaysia Department of Plant Protection Faculty of Agriculture Universiti Putra Malaysia Serdang Malaysia

Red tip disease on pineapple (Ananas comosus) was first recognized about 20 years ago in a commercial pineapple stand located in Simpang Renggam, Johor, Peninsular Malaysia. Since its discovery, there has been no confirmation on the causal agent of red tip disease. The epidemiology of red tip disease is still not fully understood. However, based on disease symptoms and field transmission mode, red tip disease seems to be strongly associated with viral infection. The aim of this work was to assess the feasibility of using an optical sensor to estimate red tip disease severity. This work was performed in a commercial pineapple plantation located in Simpang Renggam, Johor. Four observation plots bearing pineapple variety SR36 were demarcated based on crop growth stage. Each plot comprised a total of eighty corresponding measurements of percent Disease Severity (% DS) and Normalized Difference Vegetation Index (NDVI). Our data showed a strong correlation between % DS and NDVI. The 7- and 11-month plantings registered a correlation coefficient (r) of -0.83 and -0.88, respectively. The negative correlation infers that NDVI increases when disease severity is low. This is expected since healthy leaves reflect more near-infrared light and less visible light which results in a higher NDVI. The regression of NDVI on % DS for the 7-month planting was explained by: % DS = 181.6 - 185.6*NDVI. Meanwhile, the regression of NDVI on % DS for the 11-month planting was explained by: % DS = 213.2 - 219.8*NDVI. The linear fit between measured % DS and estimated % DS from the 7-month and 11-month plantings was relatively strong. This work has demonstrated that NDVI is a reliable predictor of % DS in pineapple.

关键词： Pineapple Red Tip Disease Optical Sensor

A Hybrid Method For K-Anonymization Using Clustering Technique

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A Hybrid Method For K-Anonymization Using Clustering Techniq...