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Fulltext Body image perceptions and weight loss behavior among young adults

Nasuha Najwa Ali Hanapiah, Suriati Sidek

International Journal of Allied Health Sciences, 2018;2(3):426-434.
MyJurnal

University students tend to be more concerned on their body image and body shape concerns because of the surrounding The present study was conducted among undergraduate students at
the International Islamic University Malaysia (IIUM) Kuantan with the aim to identify the body image
perceptions, body shape concerns and weight loss behaviors. Methods: A total of 135 participants
comprising of 50 male and 85 female undergraduate students were recruited from six Kulliyyah in IIUM Kuantan. The Contour Drawing Rating Scale, Body Shape Questionnaire (BSQ-16) and Weight Loss Behavior Scales (WLBS) were used as assessment tools. Results: The result showed 73.3% of students had normal BMI status, 6.7% were underweight and the remaining were overweight or obese. More than 50% of the participants were somewhat concern about their body shape. In addition, more than half of the participants (54.8%) were dissatisfied with their body image and had desired to be thinner. The most preferred weight loss behavior among the participants was exercise compared to other weight loss approaches. The result shows that concerns to dieting and weight have a significant association with BMI status. Meanwhile, body shape concerns are found to be significantly associated with concern to dieting and weight, as well as avoidance of fatty and sweet foods. However, there was no association between body shape concerns and exercise. Conclusion: Based on the findings, more tailored intervention programs that lead to healthy body image and weight loss behavior are needed among young adults.

Matched MeSH terms: Weight Loss
Fulltext Overweight and obesity among employees at a private university in Malaysia: a cross-sectional study towards a healthy workplace

Jo Ann Andoy-Galvan, Nimesha Tillekeratne, Tilanka Tillekeratne

Malaysian Journal of Medicine and Health Sciences, 2019;15(102):40-40.
MyJurnal

Introduction: Obesity is a growing public health concern. Poor diet and lifestyle choices are the main contributors to its development. Lifestyle modifications should be aggressively promoted in the community. Recent studies found that worksite obesity prevention and control programs are effective in increasing physical activity and weight reduction among employees. In Malaysia, there is insufficient data on prevalence studies of workplaces. This study investigated the proportion of overweight and obesity among workers in a private university and hope to serve as a baseline for future healthy workplace programs. Methods: This cross-sectional study investigated overweight and obesity and examined its association with occupational stress, sleeping quality, dietary behaviour and physical inactivity among employees in an academic institution. Weight and height were measured, and BMI was calculated and coded as underweight, normal, overweight and obese according to the cut-off points for the Asian population. Results: Out of ninety-five employees, 55 participated in the survey. Among the 55 employees, 4 (7.3%) were underweight, 10 (18.2%) were normal, 25 (45.5%) were overweight, and 16 (29.1%) were obese. The obese and overweight proportion was similar to the national prevalence. Poor sleep quality and high Job stress scores were reported by 40% of the employees, while physical inactivity of more than 6 hours a day was reported by 50%, and the majority (90%) do not consume enough fibre. Among the risk factors investigated, none was associated with obesity. Conclusion: The proportion of overweight and obesity in this community was like the general population. While not significant in this study, the association between obesity and the four risk factors should be further investigated using a larger sample size. Based on the results, community-based health promotion intervention is suggested to reduce obesity among the employees.

Matched MeSH terms: Weight Loss
Fulltext Corn Starch/Chitosan Nanoparticles/Thymol Bio-Nanocomposite Films for Potential Food Packaging Applications

Othman SH, Othman NFL, Shapi'i RA, Ariffin SH, Yunos KFM

Polymers (Basel), 2021 Jan 27;13(3).
PMID: 33513664 DOI: 10.3390/polym13030390

This work aims to develop corn starch/chitosan nanoparticles/thymol (CS/CNP/Thy) bio-nanocomposite films as potential food packaging materials that can enhance the shelf life of food. CS/CNP/Thy bio-nanocomposite films were prepared by the addition of different concentrations of thymol (0, 1.5, 3.0, 4.5 w/w%) using a solvent casting method. The resulting films were characterized in terms of optical, mechanical, and water vapor permeability (WVP) properties. The addition of thymol was found to reduce the tensile strength (TS), elongation at break (EAB), and Young's modulus (YM) of the films. Generally, the increment in the concentration of thymol did not significantly affect the TS, EAB, and YM values. The addition of 1.5 w/w% thymol increased the WVP of the films but the WVP reduced with the increase in thymol concentrations. CS/CNP/Thy-3% bio-nanocomposite films demonstrated the potential to lengthen the shelf life of cherry tomatoes packed with the films, whereby the cherry tomatoes exhibited no significant changes in firmness and the lowest weight loss. In addition, no mold growth was observed on the sliced cherry tomatoes that were in direct contact with the films during 7 days of storage, proving the promising application of the films as active food packaging materials.

Matched MeSH terms: Weight Loss
Fulltext Effect of uv-ozone treatment on physicochemical properties of mesoporous hollow carbon nanoparticles

Muhammad Nur Amir Azman, Yusilawati Ahmad Nor, Nur Husna Samsudin, Ma’an Fahmi Rashid Alkhatib, Yeow, Tshai Kim

Biological and Natural Resources Engineering Journal, 2020;3(2):35-45.
MyJurnal

Carbon nanoparticles have been widely used in various applications. However, they are commonly known to have low dispersibility and chemical inertness which limit their practical ability in medical or biological area. Some studies have been performed to modify carbon nanoparticles such as carbon nanotubes using ultraviolet (UV)-Ozone system. However, little is known on the effects of such system towards other types of carbon nanoparticles such as mesoporous hollow carbon nanoparticles (MHCNs). Thus, in this study, improvement of MHCNs physiochemical properties have been studied using UV-Ozone treatment for the first time. The treatment was conducted in water as dispersant agent at ozone flowrate of 1.0 L/min and exposure time of 45 min. SEM images observed that MHCNs morphology and surface structure remain intact after the treatment. Observations on the dispersibility of MHCNs in phosphate buffered saline (PBS) solution shows that the dispersibility was improved compared to the untreated ones. This was supported by the low Z-average and PDI values of treated MHCNs obtained at ~400 nm and 0.2, respectively when compared to the untreated MHCNs which was obtained at 970 nm and 0.417, respectively. Thermogravimetric analysis (TGA) showed an increased in weight loss of treated MHCNs at the lower temperature compared to untreated MHCNs. Results from Fourier Transform Infrared (FTIR) showed an increase number of new functional groups that includes carboxylic acid group presence at the surface of treated MHCNs which contributes to the improvement of their dispersibility, thermal properties and chemical functionality. These findings opened a new possibility of using UV-Ozone treatment to improve physicochemical properties of MHCNs for medical area such as in drug delivery application in addition to their excellent storage and carrier system.

Matched MeSH terms: Weight Loss
Fulltext SYNTHESIS, CHARACTERISATION AND CORROSION INHIBITION SCREENING: Cu[EtBenzdtc]2 AND Cu[BuMedtc]2

Nur Alia Atiqah Alias, Nabilah Syakirah Zolkifli, Mimi Wahidah Mohd Radzi, Nur Nadia Dzulkifli

Journal of Academia Universiti Teknologi MARA Negeri Sembilan, 2021;9(1):56-65.
MyJurnal

Mild steel plays an essential part in many construction industries due to its low cost and excellent mechanical properties. However, the use of strong acid in pickling, construction, and oil refining processes adds to a serious corrosion problem for mild steel. Two Cu(II) dithiocarbamate (DTC) complexes were successfully synthesised, namely Cu(II) ethyl-benzyl DTC (Cu[EtBenzdtc]2) and Cu(II) butyl-methyl DTC (Cu[BuMedtc]2) complexes, by a condensation reaction and subsequently used to scrutinise the corrosion resistance activity towards mild steel in acidic media. The proposed structures of complexes were characterised by using the Fourier transform infrared (FTIR) and ultraviolet-visible (UV-Vis) spectroscopies. The melting point for Cu[EtBenzdtc]2 was found around 362–375°C, and 389–392°C for Cu[BuMedtc]2. The percentages of Cu(II) found in Cu[EtBenzdtc]2 and Cu[BuMedtc]2 were 7.6% and 7.5%, respectively. Both complexes were non-electrolyte based on the molar conductivity analysis. Their corrosion inhibition performances were tested by using a weight loss measurement. Cu[BuMedtc]2 showed a good result as a corrosion inhibitor compared to Cu[EtBenzdtc]2. The complexes showed good effectiveness in sulfuric acid (H2SO4) compared to hydrochloric acid (HCl) solution. Furthermore, Cu[BuMedtc]2 showed a good result as a corrosion inhibitor compared to Cu[EtBenzdtc]2 with the highest percentage of corrosion inhibition recorded at 91.8%. Meanwhile, the highest percentage of corrosion inhibition shown by Cu[EtBenzdtc]2 was only 86.9%. The lowest corrosion rate shown for Cu[BuMedtc]2 was 8.1944×10-4 cm-1 h-1. Meanwhile, the Cu[EtBenzdtc]2 showed the lowest corrosion rate only at 1.3194×10-3 cm-1 h-1. This implies that Cu[BuMedtc]2 showed lower corrosion rate but higher inhibition efficiency compared to Cu[EtBenzdtc]2.

Matched MeSH terms: Weight Loss
Fulltext STUDY ON AQUEOUS KAFFIR LIME EXTRACT AS TREATMENT AGENT ON FRESH TOMATO FRUITS

NUR FAZLEEN SYUHADA ROSTAM, NOR AMIRA IZATI NOR AZMAN, NURUL FAZIHA IBRAHIM, SUHAIZAN LOB

UMT Journal of Undergraduate Research, 2020;2(4):17-22.
MyJurnal

Tomatoes have a short shelf life thus they pose a big challenge for growers to maintain the quality of tomatoes to increase customer acceptance. In this study, fungi associated with tomato disease symptoms were isolated and the potential of kaffir lime aqueous extract was evaluated in maintaining post-harvest quality of tomatoes. For this purpose, healthy tomatoes were dipped in 10% aqueous kaffir lime extract before evaluating the post-harvest parameters namely weight loss and firmness. A fungus namely Rhizophus stolonifer was isolated from the symptomatic tomatoes. Subsequently, it was confirmed to be pathogenic on healthy tomato fruits with 100% disease severity. Application of aqueous kaffir lime extract showed that tomato fruits dipped in 10% aqueous kaffir lime extract recorded higher weight loss and higher firmness as compared to untreated tomato fruits. The results showed that treatment with this concentration of plant extract did not help to reduce the weight loss, but it retained the firmness of the tomato fruits stored at room temperature at 27+2oC. Higher transpiration process would lead to shrinkage, weight loss, changes in texture and appearance of the fruits. Therefore, this study suggested an increased concentration of aqueous kaffir lime extract as a treatment agent in order to have a better effect in maintaining the quality of tomato fruits.

Matched MeSH terms: Weight Loss
Hiding in plain sight: Diagnosing pleural tuberculosis using lung ultrasound

Ahmed WAW, Rahim MJC, Mohammad N, Fauzi MH, Wahab SFA

Ultrasound, 2021 May;29(2):123-127.
PMID: 33995559 DOI: 10.1177/1742271X20959761

Introduction: Diagnosing pleural tuberculosis can be difficult in patients with ambiguous presentation, especially in resource-limited health centres. Thus, lung ultrasound had been studied as a novel method in helping clinicians to diagnose this condition.
Case presentation: A 48-year-old woman presented with worsening dyspnoea and orthopnoea for one week. She had also experienced weight loss, minimal dry cough and right-sided pleuritic chest pain for several weeks. A chest radiograph showed a right lower zone pleural effusion with no apparent lung consolidation. Lung ultrasound showed a right apical consolidation and right lower zone septated pleural effusion. Pleural fluid investigations showed exudative features of mixed lymphocytic, mesothelial and neutrophilic cellular components. Tuberculin skin test was strongly positive. She was subsequently treated for pleural tuberculosis. One month after treatment, her symptoms had improved considerably.
Discussion: Lung ultrasound has been found to be more effective than chest radiograph in detecting consolidation and diagnosing pneumonia. The portability and efficacy of today's ultrasound machines, including the handheld types, show that lung ultrasound is a practical, reliable and valuable diagnostic tool in managing pulmonary conditions including tuberculosis, provided that the operators are adequately trained.
Conclusion: Lung ultrasound in tuberculosis is the next frontier for clinicians and researchers.

Matched MeSH terms: Weight Loss
Unusual cause of neuropathy: extensive dural spread of primary cervical osteosarcoma

Ponnampalam SN, Tan WY, Wazir NN, George J

Acta Radiol Short Rep, 2012;1(1):1-3.
PMID: 23986826 DOI: 10.1258/arsr.2012.110028

We report a very rare case of a high grade osteosarcoma of the cervical spine in a 62-year-old woman. She presented with a relatively short history of a swelling in the posterior neck and cervical lymphadenopathy. This was associated with hoarseness of the voice, significant weight loss, and right upper arm radicular symptoms initially, progressing to paraplegia. Based on MR and CT imaging of the neck and an excision biopsy of an enlarged right supraclavicular lymph node, the histology revealed a high grade primary osteosarcoma of the cervical spine.

Matched MeSH terms: Weight Loss
Fulltext Rapid weight loss practices among elite combat sports athletes in Malaysia

Ng, Qi Xiong, Choe, Yee Xian, Amutha Ramadas, Haemamalar Karppaya, Chai, Wen Jin

Malays J Nutr, 2017;23(2):199-209.
MyJurnal

Introduction: This study aimed to (i) determine rapid weight loss (RWL) practices among Malaysian elite combat sports athletes and (ii) examine the relationship between the characteristics of athletes, self-reported history of weight loss, perceived influence on weight loss and RWL practices.

Methods: This was a cross-sectional study conducted at the Malaysian National Sports Institute among elite combat sports athletes (n=40) recruited via a convenience sampling method. The athletes completed a self-administered validated Rapid Weight Loss Questionnaire. Each response was provided a score and the total RWL score corresponded to the aggressiveness of weight management methods. Partial correlations were used to assess the relationships between total RWL score and independent variables.

Results: The prevalence of RWL among the athletes was high (92.5%). Training with rubber or plastic suits (62.2%) and meal-skipping (27.0%) were the most common RWL techniques practised by the respondents. Aggressive weight-cutting as depicted by a higher total RWL score that correlated with most weight ever lost, duration taken to lose weight, influence of training colleagues and coaches, BMI, current weight and post-competition weight regain (all p

Matched MeSH terms: Weight Loss
Fulltext Effect of chitosan-palm stearin edible coating on the post harvest life of star fruits (Averrhoa carambola L.) stored at room temperature

Nurul Hanani, M.Z., Halimahton Zahrah, M.S., Zaibunnisa, A.H.

International Food Research Journal, 2012;19(4):1433-1438.
MyJurnal

This study was conducted to develop an edible coating containing combined hydrophilic (chitosan) and hydrophobic (palm stearin) components which demonstrated gas barrier and moisture barrier properties, respectively, to prolong the post harvest life of star fruits (Averrhoa carambola L.). The emulsions of chitosan (C) and palm stearin (S) were prepared by using different ratios of C:S which were 1:0, 1:1, 1;2, 1:3, 2:1, 3:1 and 0:1. Viscosity of emulsions was studied. The physicochemical properties of coated star fruits were also evaluated in terms of weight loss, firmness, visual appearance, oxygen concentration, carbon dioxide concentration and ethylene concentration during storage at room temperature (26-28˚C) for 18 days. The results obtained showed that coating reduced weight loss, maintained firmness and appearance, slowed down the production of respiratory gases and reduced ethylene production. The most recommended coating for star fruits was C:S of 1:1 ratio as it showed good water barrier and gas barrier properties and could extend the post harvest life of star fruits up to 20 days as compared to the control samples which had a post harvest life of 12 days.

Matched MeSH terms: Weight Loss
Fulltext Tuberculosis – HIV coinfection: the relationship between manifestation of tuberculosis and the degree of immunosuppression (CD4 counts)

Ong, C.K., Tan, W.C., Leong, K.N., Muttalif, A.R.

International e-Journal of Science, Medicine & Education, 2008;2(2):17-22.
MyJurnal

The incidence of tuberculosis (TB) is currently increasing. HIV induced immuno-suppression modifies the clinical presentation of TB. Our aim is to determine the differences in clinical presentation of HIV-TB co-infection based on their CD4 counts. This retrospective study looked at cases of adult active TB and HIV-1 co-infection treated in Penang Hospital from January 2004 to December 2005. Of the 820 patients treated for active TB, HIV-1 seropositivity rate was 12.6% (103 patients). Majority of HIV-1 co-infected patients presented with prolonged insidious and non-specific symptoms like weight loss, fever and night sweats. The clinical presentation of TB depended on the stage of HIV-1 infection and associated degree of immunodeficiency. Compared to the less immuno-compromised HIV-1 and TB co-infected population (CD4 > 200/mm3 ), patients with CD4 counts ≤ 200 are more likely to have atypical chest radiographs (P = 0.009). During active TB, the Mantoux test was positive in 12 (14.5%) HIV-1 infected patients with a CD4 counts ≤ 200/mm3 and in 16 (80%) of those with CD4 counts > 200/mm3 (P = 0.0001). In our series, the AFB smear / AFB culture and type of TB did not show obvious correlation with CD4 counts. Therefore to diagnose TB in severely immuno-compromised HIV patients, we need to have a high index of suspicion.

Matched MeSH terms: Weight Loss
Fulltext Weight loss practice using physical activity among working women in Klang Valley, Malaysia

Sena Abdullah Abdul Jabbar Al-Qalah, Hasanain Faisal Ghazi, Zaleha Md.Isa, Norimah A. Karim

Malaysian Journal of Public Health Medicine, 2014;14(3):0-0.
MyJurnal

An increase in physical activity is a key component for effective weight loss. It helps to control weight loss by using excess calories as well as boosting metabolism and lowering insulin levels. Physical activity also helps prevent many chronic diseases and improve the overall human health. The objective of this study was to assess weight loss practice using physical activity strategies among working women in Kuala Lumpur, Malaysia. A total of 639 adult Malaysian working women were screened and 120 respondents were identified based on their experience of losing at least 10% of their highest lifetime body weight, which is a criterion for successful weight-loss. Self-administered questionnaire was used to collect information from 120 successful weight loss respondents. Physical activity was measured by using International Physical Activity Questionnaire (IPAQ) short version. Results showed that 35.8% of women had low physical activity level; slightly above than one third of women (38.3%) had moderate activity level, while 25.8% women had high physical activity level.The most common physical activity monitoring strategies implemented were exercise at least 30 minutes per day (22.5%) and incorporate physical activity into daily life (21.7%). A total of 70.8% women regained weight after significant weight loss. A total of 40.0% who regained weight as compared to 25.7% of those who did not regain weight were physically inactive (p=0.138). There was no statistically significant different in daily sitting time between the two groups (p=0.627). As a conclusion, government working women in Kuala Lumpur have low to moderate physical activity levels. Majority women regained weight after significant weight loss. Common strategies to lose weight are exercise at least 30 minutes per day and incorporate physical activity into daily life. More education and promotion regarding the importance of physical activity should be done to all community members especially to the government working women.

Matched MeSH terms: Weight Loss
Fulltext Corrosion protection of carbon steel using polyaniline composite with aluminium oxide

Ahmed A. Ahmed Al-Dulaimi, Shahrir Hashim, Mohammed Ilyas Khan

Pertanika Journal of Science & Technology, 2011;19(2):329-337.
MyJurnal

Polyaniline (PANI) and polyaniline composites with aluminium oxide (Al2O3) were prepared using the in situ polymerization method. The composites were then blended with acrylic paint and applied to carbon steel panels. The coated steel panels were evaluated for corrosion using the immersion test technique. The results revealed that the steel panels coated with polyaniline composites and with Al2O3 containing coatings had small corrosion as compared to the bare sample and the samples coated with polyaniline and paint alone. The samples were characterized by Fourier transform infrared (FTIR) and X-ray diffraction(XRD). In addition, the morphology of the finished samples was observed using the scanning electron microscopy (SEM). This novel composite was used as a paint pigment for enhancing the barrier properties and the paint protectable against aggressive ions. Meanwhile, corrosion was evaluated through visual monitoring using a digital camera after 60 days of fully immersion test in 5% NaCl. The weight loss method was also used to evaluate corrosion.

Matched MeSH terms: Weight Loss
Effect of degree of deacetylation of chitosan on adsorption capacity and reusability of chitosan/polyvinyl alcohol/TiO2 nano composite

Habiba U, Joo TC, Siddique TA, Salleh A, Ang BC, Afifi AM

Int J Biol Macromol, 2017 Nov;104(Pt A):1133-1142.
PMID: 28690164 DOI: 10.1016/j.ijbiomac.2017.07.007

The chitosan/polyvinyl alcohol/TiO2 composite was synthesized. Two different degrees of deacetylation of chitosan were prepared by hydrolysis to compare the effectiveness of them. The composite was analyzed via field emission scanning electron microscopy, Fourier transform infrared, X-ray diffraction, thermal gravimetric analysis, weight loss test and adsorption study. The FTIR and XRD results proved the interaction among chitosan, PVA and TiO2 without any chemical reaction. It was found that, chitosan with higher degree of deacetylation has better stability. Furthermore, it also showed that higher DD of chitosan required less time to reach equilibrium for methyl orange. The adsorption followed the pseudo-second-order kinetic model. The Langmuir and Freundlich isotherm models were fitted well for isotherm study. Adsorption capacity was higher for the composite containing chitosan with higher DD. The dye removal rate was independent of the dye's initial concentration. The adsorption capacity was increased with temperature and it was found from reusability test that the composite containing chitosan with higher DD is more reusable. It was notable that adsorption capacity was even after 15 runs. Therefore, chitosan/PVA/TiO2 composite can be a very useful material for dye removal.

Matched MeSH terms: Weight Loss
Fulltext Polycystic kidney disease in a Persian cat

Phoon, M.H.E., Khor, K.H., Lau, S.F., Saw, M.H.

Jurnal Veterinar Malaysia, 2015;27(1):20-23.
MyJurnal

A 6-year-old intact Persian cat was presented for the primary complaint of inappetence and weight loss. Irregular surface of
kidneys was palpated during physical examination. Abdominal radiograph findings were indicative of renomegaly. Ultrasonography
revealed multiple anaechoic structures within the renal parenchyma. The cortex, medulla and renal pelvis were unable to be
differentiated. Both radiographic and ultrasonographic findings were suggestive of polycystic kidney disease. Blood test revealed
normochromic, normocytic anaemia with azotaemia whereas urinalysis findings were hypostenuria and proteinuria, consistent of
chronic kidney disease due to polycystic kidney. Ultrasound is a useful antemortem diagnostic tool to diagnose polycystic kidney
disease in cats.

Matched MeSH terms: Weight Loss
Fulltext The Heat Is On: Effects of Synchronous Music on Psychophysiological Parameters and Running Performance in Hot and Humid Conditions

Nikol L, Kuan G, Ong M, Chang YK, Terry PC

Front Psychol, 2018;9:1114.
PMID: 30072929 DOI: 10.3389/fpsyg.2018.01114

Running in high heat and humidity increases psychophysiological strain, which typically impairs running performance. Listening to synchronous music has been shown to provide psychophysiological benefits, which may enhance running performance. The present randomized, crossover study examined effects of listening to synchronous music on psychophysiological parameters and running performance in hot and humid conditions. Twelve male runners (21.7 ± 2.2 y; 166.17 ± 7.18 cm; 60.32 ± 9.52 kg; 59.29 ± 5.95 ml kg-1 min-1) completed two running trials in simulated conditions (31°C and 70% humidity) with and without synchronous music. Participants ran on a treadmill inside a climatic chamber for 60 min at 60%

V
˙

O2max and continued to run to exhaustion at 80%

V
˙

O2max. Time-to-exhaustion under the synchronous music condition was 66.59% longer (mean = 376.5 s vs. 226.0 s, p = 0.02, d = 0.63) compared to the no music condition. Ratings of perceived exertion were significantly lower for the synchronous music condition at each time point (15, 30, 45, and 60 min) of the steady state portion of the running trials. Small differences in heart rate were detected between conditions. No significant between-condition differences were found in urine specific gravity, percentage of body weight loss, thermal comfort, and blood lactate. Findings suggest that listening to synchronous music is beneficial to running performance and perceived exertion in hot and humid conditions.

Matched MeSH terms: Weight Loss
Fulltext Performance of Fly Ash Geopolymer Concrete Incorporating Bamboo Ash at Elevated Temperature

Ishak S, Lee HS, Singh JK, Ariffin MAM, Lim NHAS, Yang HM

Materials (Basel), 2019 Oct 17;12(20).
PMID: 31627479 DOI: 10.3390/ma12203404

This paper presents the experimental results on the behavior of fly ash geopolymer concrete incorporating bamboo ash on the desired temperature (200 °C to 800 °C). Different amounts of bamboo ash were investigated and fly ash geopolymer concrete was considered as the control sample. The geopolymer was synthesized with sodium hydroxide and sodium silicate solutions. Ultrasonic pulse velocity, weight loss, and residual compressive strength were determined, and all samples were tested with two different cooling approaches i.e., an air-cooling (AC) and water-cooling (WC) regime. Results from these tests show that with the addition of 5% bamboo ash in fly ash, geopolymer exhibited a 5 MPa (53%) and 5.65 MPa (66%) improvement in residual strength, as well as 940 m/s (76%) and 727 m/s (53%) greater ultrasonic pulse velocity in AC and WC, respectively, at 800 °C when compared with control samples. Thus, bamboo ash can be one of the alternatives to geopolymer concrete when it faces exposure to high temperatures.

Matched MeSH terms: Weight Loss
Surface morphology studies of low carbon steel treated in aqueous lignin

YAHYA S, OTHMAN N, DAUD A, JALAR A

Sains Malaysiana, 2013;42:1793-1798.

The effect of corrosion inhibition of low carbon steel in water based medium containing lignin was investigated via weight loss method. The evolution of surface morphology has been carried out for 7 to 42 days via optical microscopy (OM), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron microscopy (XPS). Immersion of metal specimen without lignin shows that significant increase in the surface roughness. The longer the immersion time, the more the oxide crust formed. The surface degradation of metal specimen was well protected by immersion in lignin solution. A protective layer containing of lignin was formed on the surface of metal specimens after 7 and 21 days immersion. The corrosion inhibition gives about 13 and 53% inhibition for both 7 and 21 days immersion, respectively. The protective layers were spalling and separated from the metal surface after 42 days immersion in lignin solution possibly due to the increase in corrosion attack after long time immersion according to the increase in dissolved oxygen and may also due to the thermal mismatch between oxide and substrate. The adsorption of protective layer containing lignin was temporary adsorbed on the surface.

Matched MeSH terms: Weight Loss
Fulltext Lifestyle Interventions for Weight Control Modified by Genetic Variation: A Review of the Evidence

Tan PY, Mitra SR, Amini F

Public Health Genomics, 2018;21(5-6):169-185.
PMID: 31117103 DOI: 10.1159/000499854

BACKGROUND/AIMS: Excess weight gain is a result of the interaction between diet, environment, and genes. Evidence suggests that responses to lifestyle interventions to manage weight are partially modified by genetic factors. This review is aimed at summarizing the current evidence from studies done on gene variants - single nucleotide polymorphisms (SNPs) - and intervention outcomes on weight loss and obesity-related traits.
METHODS: Intervention studies published in English between 2000 and August 2018 were retrieved from PubMed, Google Scholar, and Web of Science using various keywords.
RESULTS: This article is a review of 36 studies conducted in 13 different countries which included a total of 15,931 participants between 19 and 70 years of age. The effect of 26 genes and 64 SNPs on the reduction of body weight and metabolic risk factors in response to diet, exercise, and lifestyle interventions was reviewed.
CONCLUSION: Gene-lifestyle interaction studies on the same candidate gene in different populations have reported information which is challenging to interpret. Thus, it is difficult to arrive at a particular model for a strategy on weight management at this point in time. Most of the intervention studies focus on the effect of variants of a single candidate gene on weight loss. Further evidence from large-scale studies is necessary to assess the effect of multiple candidate genes to compute a gene score that could be used in a model intervention programme. Our review suggests that a healthy lifestyle with a balanced diet and regular physical activity will benefit individuals who carry the risk alleles of the obesity-related candidate genes. This message should be the mainstay of the recommendations and guidelines published by nutrition societies across the world.

Matched MeSH terms: Weight Loss
Storage stability of potato variety lady rosetta under comparative temperature regimes

Kashif Sarfraz Abbasi, Tariq Masud, Abdul Qayyum, Sami Ullah Khan, Shabbar Abbas, Jenks M

Sains Malaysiana, 2016;45:677-688.

Potatoes are usually stored under low temperatures for sprout prevention and to ensure their continuous supply. Low
temperature sweetening in potato is the major temperature related disorder being faced by the growers and is also
known to be associated with variety specific storage temperature. The present study aimed at identifying the appropriate
storage temperature for the premium potato variety Lady Rosetta with special reference to the changes in its quality
attributes, that is weight loss, total sugars, starch, ascorbic acids, total phenolic contents, radical scavenging activity,
enzymatic activities and potato chip color. The selected potato variety was stored under different temperature (5, 15 and
25o
C) regimes to identify appropriate storage temperature. Our results showed significant variations in the tested quality
attributes in response to different storage temperatures. Storage at 5o
C maintained tuber dormancy up to 126 days,
however, found associated with increased sugar accumulation (2.32 g/100 g), rapid starch depletion (13.25 g/100 g) and
poor post processing performance (L-value, 52.00). In contrast, potato storage at 15o
C retained lower sugar contents
(1.33 g/100g) and superior chip color (L-value, 59.33) till the end of storage. However, they were found associated with
the increased polyphenol oxidase (38.47 U/g f.w) and peroxidase (15.25 U/100 g f.w) activities as compare to those
potatoes stored at 5o
C during the same storage period. Storage life of potato tubers at 25o
C was significantly reduced
due to dormancy break on 84th day and subsequent starch degradation (15.29 g/100 g) increased sugar accumulation
(1.32 g/100 g) and increased polyphenol oxidase (79.89 U/g f.w) and peroxidase activities (40.69 U/100 g f.w). Our
results showed that potato variety Lady

Matched MeSH terms: Weight Loss

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