1.Knowledge, attitude and practices of college students in a public university on microplastics and its health effects: A cross-sectional study
Angela S. Angela ; Veronica M. Acejo ; Nur Haron A. Adiong II ; Jerome R. Morgan ; Gabrielle Alexandra L. Aguilar ; Bea Camille G. Agustin ; Dean Lotus C. Alano ; Alyssa Aindrea S. Alarilla ; Aelijah Julliane P. Alcantara ; Ixzi Thia T. Alforque ; Elyka Charlette E. Antonino ; Alyanna Teresa Q. Apostol ; Ainjelou Marie E. Arce ; Kenneth Von B. Areta ; Kiara Rossanne F. Aroza ; Joshua Noel Fernando C. Arzadon ; Donaliz R. Garcia ; Milagros B. Rabe
Health Sciences Journal 2024;13(2):87-96
BACKGROUND:
Microplastics pose a significant environmental and health threat, yet the understanding and response of young adults to this issue remain underexplored. There is an increasing amount of microplastics in our environment and as the numbers grow, the danger that comes with it is still not fully understood. This study aimed to explore the knowledge, attitudes, and practices (KAP) of young adults in Muntinlupa, particularly students of a public university regarding microplastics and their health implications.
METHODS:
Employing a quantitative cross-sectional design, the research targeted college students aged 18 and older.
RESULTS:
Findings revealed that while students were knowledgeable about microplastics—particularly their harmful effects on health—attitudes and practices related to plastic disposal and recycling could be improved. Although the majority engaged in proper garbage disposal, only 41.5% consistently separated plastic waste from biodegradable materials. However, a weak positive correlation between knowledge and attitudes was observed, suggesting that increased awareness may enhance positive attitudes toward reducing microplastic pollution.
CONCLUSION
These results suggest that while students are aware of microplastics and generally responded positively, there remains a gap in the translation of knowledge into practices, highlighting the need for enhanced educational interventions.
Microplastics
;
knowledge
;
attitudes
;
young adult
2.Penghasilan Dan Penerimaan Minuman Sukan Isotonik Berkos Rendah Dalam Kalangan Pelajar Universiti
KHOR SIAU YING ; NUR NADIRAH BINTI MOHD SANUSI ; SAREENA HANIM HAMZAH ; HASNAH HARON ; NIK SHANITA SAFII
Malaysian Journal of Health Sciences 2024;22(No.1):83-96
Sports drinks consist of water, carbohydrates, and electrolytes specially formulated for athletes or individuals in need.
However, coaches from the National Coaching Academy division experience budget constraints to obtain commercial
sports drinks on a large scale to meet the needs of all athletes. Therefore, an experimental study was conducted to
produce a low-cost isotonic sports drink (Rose Lemonade) with white sugar and brown sugar and evaluate its acceptance
among university students through sensory evaluation. This study involved 50 panels with 25 students from UKM (nonathletes) and 25 students from UM (athletes). The overall acceptance of brown sugar Rose Lemonade has an average
score of 3.52 ± 0.97 compared to white sugar Rose Lemonade, which is 3.50 ± 1.07. The data analysis showed a nonsignificant difference in the Kruskal Wallis test (p>0.05) for the overall acceptance of both types of sports drinks. In
conclusion, this study showed that both white sugar and brown sugar Rose Lemonade isotonic sports drink formulations
were acceptable to the panels. The findings of this study provide the formulation of cheap, and easy-making sports
drinks. A suggestion for future research is to test the effectiveness of energy supply and electrolytes replacement and
shelf life of this sports drink and produce a variety of flavors to meet individual tastes.
3.Development and validation of the Salt Intake-Related Knowledge, Attitude, and Practice Questionnaire for Malaysian adults
Zainorain Natasha Zainal Arifen ; Ngoh Wan Hwah ; Hng Jie Wei ; Siti Aishah Ismail ; Maryam Hanis Fairuzam ; Hasnah Haron
Malaysian Journal of Nutrition 2024;30(No.1):73-86
Introduction: Malaysian adults consume excessive amounts of salt daily, which
could lead to hypertension. Understanding knowledge, attitudes, and practices
(KAP) surrounding salt intake is crucial for designing effective interventions to
reduce excessive consumption and its associated health risks. Therefore, this study
aimed to adapt an existing salt intake-related KAP questionnaire that was previously
employed in a local population-based survey and to validate and test its reliability.
Methods: This cross-sectional study comprised two phases: (1) adaptation, content
validation (CV), and face validation (FV); (2) pilot testing and reliability testing. CV
and FV involved a total of seven experts and ten Malaysian adults from the Klang
Valley, respectively. Pilot testing involved 139 Malaysian adults to determine the
questionnaire’s reliability. Content validity index (CVI) and Face validity index
(FVI) values were calculated to analyse CV and FV. Reliability of each domain was
analysed by obtaining Cronbach’s alpha (α) values. Results: A self-administered
questionnaire comprising six items each for knowledge, attitude, and practice was
developed. The questionnaire demonstrated acceptable item-level CVI (I-CVI) and
item-level FVI (I-FVI) values of at least 0.83, indicating that the items were relevant,
clear, non-ambiguous, and simple. Reliability test showed acceptable α values
of at least 0.70 for each domain, suggesting that the questionnaire was reliable.
Conclusion: This tool could be considered valid and reliable for assessing the level
of KAP towards salt intake among adults in Malaysia.
4.Tinjauan Penggunaan Ramuan dan Pembungkusan Dalam Pembuatan Keropok Lekor di Selangor (A survey of the use of ingredients and packaging in the manufacture of fish-based snack in Selangor)
Nik Nur Atiqah Nasuha Ahmad Sabri ; Nurul Fatin Malek Rivan ; Mohd Noor Hidayat Adenan ; Hasnah Haron
Malaysian Journal of Health Sciences 2024;22(No.2):83-99
Keropok lekor is a fish-based snack and traditional food originating from the East Coast of
Peninsular Malaysia, especially in Terengganu. This study was conducted to identify the
ingredients and packaging used in the manufacturing of keropok lekor by entrepreneurs in
Selangor. This study is a qualitative study that requires in-depth interviews. The Nutritionist
Pro application was used to determine the nutrients in keropok lekor. The sampling method for
this study is purposive sampling and involves five keropok lekor operators around Selangor.
The ingredients used in making keropok lekor are salt, fish filling (fringescale sardine), baking
powder, monosodium glutamate (MSG), margarine, and sweet potato flour. Through this study,
it was found that the main source of sodium in keropok lekor is salt. For keropok lekor
packaging, all keropok lekor operators use the same packaging method, which is vacuum
packaging. In addition, the majority of keropok lekor operators (80%) have been introduced
to Modified Atmosphere Packaging (MAP). The results of the study show that the average
sodium content in keropok lekor is 372.11mg/100g and is categorized as medium-level sodium.
Although the majority of keropok lekor operators have been introduced to MAP packaging,
further research needs to be conducted to find out whether keropok lekor operators have
renewed their packaging methods or vice versa. In conclusion, based on the findings, the
content of sodium in the manufacturing of keropok lekor in Selangor is still under control. The
results of this study can be used to help the government monitor the sodium content found in
keropok lekor around Selangor.
5.Effect of Plant Extracts on Protein Changes During Adipogenesis: A Scoping Review
Nur Dayana Hassan Cheong ; Emida Mohamed ; Norhisham Haron ; Siti Nazrina Camalxaman
Malaysian Journal of Medicine and Health Sciences 2023;19(No.5):331-344
Plant extracts are gaining popularity among researchers as alternatives from natural sources for the treatment of
obesity and inhibition of adipogenic differentiation is one of the mechanisms targeted by these extracts. The main
focus of this scoping review is to specifically identify the phytochemicals within the extracts, and the protein changes that occurred during adipogenesis when subjected to the various plant extracts as well as to identify the gaps in
the previous studies. A systematic search was conducted using predetermined keywords on three online databases
(SCOPUS, PubMed, and ScienceDirect). Overall, a total of 988 articles were retrieved, leaving only 43 articles after
applying the exclusion criteria. The selected studies looked at the effects of phytochemicals found in plant extracts
on the alterations in adipogenesis-related proteins that results in adipocyte differentiation inhibition mainly in 3T3-L1
cells and mice. Despite plant extracts being the basis of numerous hyperlipidemic treatments, not much is focused
on the changes in adipogenic proteins such as PPARs, CEBPs, or SREBPs. Thus, in this review, we discuss how the
plant extracts aid in obesity prevention, and possible further research required to fully utilize the natural sources for
the betterment of public health.
6.Knowledge, Attitudes and Self-reported practices Questionnaire on Pureed Diet Preparation (KAP DYS Puree) among Food Handlers in Malaysian Hospitals for Dysphagia Management: Development, Validity, and Reliability Testing
Aizul Azri Azizan ; Hanif Farhan Mohd Rasdi ; Suzana Shahar ; Zahara Abdul Manaf ; Hasnah Haron ; Nurul Huda Razalli
Malaysian Journal of Medicine and Health Sciences 2023;19(No.3):187-195
Introduction: This methodological research study aimed to measure content validity and reliability of a newly developed questionnaire of knowledge, attitudes, and self-reported practices towards pureed diet preparation (KAP DYS
Puree) among hospital food handlers for dysphagia management. Methods: The study was conducted through face
validation, content validation, content reliability and construct validation. A cross-sectional design with convenience
sampling was carried out involving 4 panels for face validation, 10 raters for content validity and 161 food handlers
participated for Exploratory Factor Analysis (EFA), while 30 food handlers were involved for test-retest reliability. The
questionnaire which consisted of 40 items distributed into 3 domains and was assessed and analyzed using modified
kappa (k*) for reliability. Results: Content Validity Index revealed the following I-CVI values: knowledge = 0.915,
attitudes = 0.922 and self-reported practices = 0.900 and modified kappa values (k*) knowledge = 0.983, attitudes
= 0.9214 and self-reported practices = 0.899. The EFA was employed for two dimensions which were self-reported
practices and attitudes based on principal axis of factoring with varimax rotation. The factor analysis yielded two
factors with a total of 10 items in the attitudes domain and two factors with a total of 9 items in the self-reported practices domain that had satisfactory factor loading (> 0.3). The Kaiser-Meyer-Olkin (KMO) values for attitudes = 0.816
and self-reported practices = 0.776. Bartlett’s test of sphericity was significant at p < 0.0001 for attitudes and self-reported practices indicating the suitability of this data for factor analysis. Interclass Correlation Index (ICC) values for
attitudes = 0.739 and self-reported practices = 0.789. Conclusion: This instrument can be used as a need assessment
tool in the development of a comprehensive training module for pureed diet preparations in dysphagia management.
7.In silico structural modeling and quality assessment of Plasmodium knowlesi apical membrane antigen 1 using comparative protein models
Haron, F.N. ; Azazi, A. ; Chua, K.H. ; Lim, Y.A.L. ; Lee, P.C. ; Chew, C.H.
Tropical Biomedicine 2022;39(No.3):394-401
Plasmodium knowlesi is the most common zoonotic parasite associated with human malaria infection
in Malaysia. Apical membrane antigen 1 (AMA1) protein in the parasite plays a critical role in parasite
invasion into host cells. To date, there is no complete three-dimensional ectodomain structure of P.
knowlesi AMA1 (PkAMA1) protein. The knowledge of a protein structure is important to understand
the protein molecular functions. Three in silico servers with respective structure prediction methods
were used in this study, i.e., SWISS-MODEL for homology modeling and Phyre2 for protein threading,
which are template-based modeling, while I-TASSER for template-free ab initio modeling. Two query
sequences were used in the study, i.e., native ectodomain of PkAMA1 strain H protein designated as
PkAMA1-H and a modified PkAMA1 (mPkAMA1) protein sequence in adaptation for Pichia pastoris
expression. The quality of each model was assessed by ProSA-web, QMEAN and SAVES v6.0 (ERRAT,
Verify3D and Ramachandran plot) servers. Generated models were then superimposed with two models
of Plasmodium AMA1 deposited in Protein Data Bank (PDB), i.e., PkAMA1 (4UV6.B) and Plasmodium
vivax AMA1 (PvAMA1, 1W81) protein structures for similarity assessment, quantified by root-meansquare deviation (RMSD) value. SWISS-MODEL, Phyre2 and I-TASSER server generated two, one and
five models, respectively. All models are of good quality according to ProSA-web assessment. Based on
the average values of model quality assessment and superimposition, the models that recorded highest
values for most parameters were selected as best predicted models, i.e., model 2 for both PkAMA1-H
and mPkAMA1 from SWISS-MODEL as well as model 1 of PkAMA1-H and model 3 of mPkAMA1 from
I-TASSER. Template-based method is useful if known template is available, but template-free method
is more suitable if there is no known available template. Generated models can be used as guidance
in further protein study that requires protein structural data, i.e., protein-protein interaction study.
8.Surgical repair of the supraspinatus: pre- and postoperative architectural changes in the muscle.
Rohit SACHDEVA ; Cole BEAVIS ; Haron OBAID ; Jonathan P FARTHING ; Soo Y KIM
Singapore medical journal 2022;63(2):97-104
INTRODUCTION:
Shortening of the tendon and muscle is recognised as a strong predictor of surgical failure of supraspinatus tendon tears. Changes in muscle architecture following repair have not been thoroughly investigated. Hence, we aimed to compare the pre- and postoperative architecture of the supraspinatus.
METHODS:
We recruited eight participants with full-thickness supraspinatus tears. Images of the supraspinatus were captured preoperatively (pre-op) and postoperatively at one month (post-op1), three months (post-op2) and six months (post-op3) in relaxed and contracted states (0º and 60º glenohumeral abduction). Fibre bundle length (FBL), pennation angle (PA) and muscle thickness were quantified. Self-reported function, and maximal isometric abduction and external rotation strengths were assessed.
RESULTS:
The mean FBL increased from pre-op to post-op1 (p = 0.001) in the relaxed state and from pre-op to post-op2 (p = 0.002) in the contracted state. Decrease in FBL was observed from post-op2 to post-op3 in the relaxed state. The mean PA decreased from pre-op to post-op1 (p < 0.001) in the relaxed state, but increased from post-op2 to post-op3 in both relaxed (p = 0.006) and contracted (p = 0.004) states. At post-op3, external rotation (p = 0.009) and abduction (p = 0.005) strengths were greater than at post-op2. Overall function increased by 47.67% from pre-op to post-op3.
CONCLUSION
Lengthening of the supraspinatus occurs with surgery, altering the length-tension relationship of the muscle, which can compromise muscle function and lead to inferior surgical outcomes. These findings may guide clinicians to optimise loads, velocities and shoulder ranges for effective postoperative rehabilitation.
Humans
;
Rotator Cuff/surgery*
;
Rotator Cuff Injuries/surgery*
;
Shoulder/surgery*
;
Shoulder Joint/surgery*
;
Tendons
9.Bioinformatics characterization of Plasmodium knowlesi apical membrane antigen 1 (PkAMA1) for multi-epitope vaccine design
Azazi, A. ; Haron, F.N. ; Chua, K.H. ; Lim, Y.A.L. ; Lee, P.C. ; Chew, C.H.
Tropical Biomedicine 2021;38(No.3):265-275
Malaria caused by Plasmodium knowlesi species has become a public health concern, especially in Malaysia. Plasmodium knowlesi parasite which originates from the macaque species, infects human through the bite of the Anopheles mosquitoes. Research on malaria vaccine has been a continuous effort to eradicate the malaria infection, yet there is no vaccine against P. knowlesi malaria to date. Apical membrane antigen 1 (AMA1) is a unique surface protein of all apicomplexan parasites that plays a crucial role in parasite-host cell invasion and thus has been a long-standing malaria vaccine candidate. The selection of protective epitopes in silico has led to significant advances in the design of the vaccine. The present study aimed to employ bioinformatics tools to predict the potential immunogenic B- and T-cell epitopes in designing malaria vaccine targeting P. knowlesi AMA1 (PkAMA1). B-cell epitopes were predicted using four bioinformatics tools, i.e., BepiPred, ABCpred, BcePred, and IEDB servers whereas T-cell epitopes were predicted using two bioinformatics servers, i.e., NetMHCpan4.1 and NetMHCIIpan-4.0 targeting human major histocompatibility complex (MHC) class I and class II molecules, respectively. The antigenicity of the selected epitopes computed by both B- and T-cell predictors were further analyzed using the VaxiJen server. The results demonstrated that PkAMA1 protein encompasses multi antigenic regions that have the potential for the development of multi-epitope vaccine. Two B- and T-cell epitopes consensus regions, i.e., NSGIRIDLGEDAEVGNSKYRIPAGKCP (codons 28-54) and KTHAASFVIAEDQNTSY RHPAVYDEKNKT (codons 122-150) at domain I (DI) of PkAMA1 were reported. Advancement of bioinformatics in characterization of the target protein may facilitate vaccine development especially in vaccine design which is costly and cumbersome process. Thus, comprehensive B-cell and T-cell epitope prediction of PkAMA1 offers a promising pipeline for the development and design of multi-epitope vaccine against P. knowlesi.
10.Proximate, mineral and fatty acid compositions of healthy recipes used in Fit, Eat, Active, Training (F.E.A.T) programme
Nurulhusna Abdullah ; Hasnah Haron ; Ruzita Abd Talib ; Wan Nurul Najwa Wan Nik ; Wirdah Mohamed
Malaysian Journal of Nutrition 2021;27(No.2):293-316
Introduction: Many people are seeking knowledge and skills about preparing healthy meals at home. This study aimed to determine the content of nutrients in 60 healthy dishes prepared for the recipe book Mudah, Sihat, Sedap used in the F.E.A.T nutrition intervention programme. The recipe book was developed as an educational material to guide participants in preparing healthy meals at home. Methods: A needs assessment survey was done to identify food preferences for breakfast, lunch and dinner of obese and overweight respondents. Recipes for these foods were then modified to reduce the calorie, fat, and sugar contents, while adding in fibre sources. Proximate analysis was done based on standard methods of AOAC, while total carbohydrate and calorie contents were calculated using the differentiation and Atwater methods, respectively. Mineral content was determined using atomic absorption spectrophotometer, while fatty acids content was analysed by gas chromatography using the FAME method. Results: Proximate analysis results showed that Kobis Goreng had the most calories (305 kcal/100g) (p<0.05) in all categories. Mineral analysis showed that sodium was significantly highest (p<0.05) in Asam Pedas Daging (554 mg/100g). For fatty acid analysis, Masak Lemak Telur Itik had the highest amount of MUFA (45.1%), Masak Lemak Sotong had the highest amount for SFA (71.8%), and Masak Lemak Cili Api Udang had the highest amount of PUFA (33.7%). Conclusion: This study successfully modified original recipes of selected cuisines used in the recipe book, which contained lower calories compared to original recipes. The calorie and nutrient values for each recipe will be included as nutrition composition information in the recipe book.


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