Adenosine 5'-triphosphate sulphurylase from rice shoots: partial purification and properties

ATP-sulphurplase was found in the soluble fraction of cell extracts ofrice shoots. The enzyme was purified 44-fold by ammonium sulphate fractionation, DEAE-cellulose and sephadex G-200 chrmatography. The optimum temperature ofthe enzyme is around 40°C while its pH optimum is between 7.5-8.5. Mg++ is required for its activity but group VI anions (molybdate, sulphate, selenate, tungstate), EDTA, HgH, azide, cyanide, sulphide and fluoride are inhibitory. The Km values for APS and pyrophosphate are 4.5 pM and 9.0 pM respectively

Understanding sport tourists' motives and perceptions of Sabah, Malaysia as a sport tourist destination

With the focus on Mount Kinabalu as a sport tourism destination, the push and pull theory (Dann, 1981) was adopted as framework to examine the travel motivation of sport tourists visiting Sabah, Malaysia. The Leisure Motivation Scale (Beard & Ragheb, 1983) and semantic differential instrument by Attle (1996) were utilized to measure the push motives and pull factors. Analyses of data include descriptive statistics, t-test and logistic regression. A sample of 195 mountain climbers was selected with the majority comprising of international active sport tourists respondents (71.1%). Statistically, domestic active sport tourists at Mount Kinabalu were more significantly motivated by two out of four push motives namely; competence-mastery and social factors. With respect to the pull factors, analysis of result from the logistic regression shows there were few attributes which has been identified to be perceived differently by the domestic and international tourists. The findings of the study implied that: (1) market segmentations can be made according to the demographic and travel characteristics information as well as by their travel motivations among domestics and internationals sport tourists; (2) theoretical significance and practical marketing implications in addition with the recommendations for local tourism authority, destination managers and marketers are discussed

Profil Ekg Pasien Hipertensi Di Poliklinik Jantung

Pendahuluan: Sebanyak 31,7% penduduk Indonesia memiliki hipertensi. Hipertensi dapat mengakibatkan Perubahan pada anatomi dan atau fungsi jantung yang dapat menyebabkan morbiditas dan atau mortalitas. Perubahan itu sendiri dapat dideteksi dengan elektrokardiografi (EKG). Berdasarkan alasan tersebut, tujuan dari studi ini adalah mengetahui profil EKG pasien hipertensi di Poliklinik Jantung RSUD Dr. Soetomo Surabaya.Metodologi: Studi ini merupakan penelitian deskriptif observasional. Sampel penelitian didapatkan melalui data primer dan data sekunder dengan menggunakan teknik sampel total selama periode 1-31 Maret 2015. Data yang terkumpul diolah berdasarkan jenis kelamin, usia dan ada tidaknya hipertrofi ventrikel kiri jantung.Hasil: Terdapat 140 pasien hipertensi selama periode 1-31 Maret 2015. Prevalensi hipertensi didapatkan sama antara pria dan wanita. Prevalensi rentang usia tertinggi pasien hipertensi adalah usia 51-60 tahun. Dua Hasil EKG menunjukkan hipertrofi ventrikel kiri, dimana kedua hasil tersebut terdapat pada pria usia 55 tahun dan 61 tahun, dan 138 hasil EKG menunjukkan selain hipertrofi ventrikel kiri, seperti aritmia dan fibrilasi atrial.Diskusi: Hasil yang diperolah dan telah diolah menunjukkan hasil yang sama antara pria dan wanita, dimana menurut beberapa penelitian yang telah ada terdapat perbedaan antara pria dan wanita. Hal ini kemungkinan dapat dipengaruhi oleh beberapa faktor

Application of push & pull theory in Island sport tourism: a study of Sipadan Island, Sabah

The purpose of this paper is to further the understanding of island sport tourism in Sabah, Malaysia. Specifically, the authors utilised the push and pull theory to examine how motives and destination image attract sport tourists to spend their holidays in Sipadan Island, Sabah, Malaysia. Findings indicate that domestic sport tourists were more significantly motivated by intellectual, social, stimulus-avoidance and competence mastery motives than international sport tourists. With respect to the pull factors, result shows some difference in perceptions of destination image between domestic and international sport tourists. The findings of the study suggest that: (1) market segmentation based on demographic profiles can be identified, (2) four push motives should be emphasized on promotional efforts and (3) unique packages of sport tourism experiences should be developed in regards to sport tourism in Sipadan Island, Malaysia

Identifying factors that affected student enrolment in Additional Mathematics for urban areas of Kuantan district

The skilful and qualified Science, Technology, Engineering and Mathematics (STEM) workforces are expected to be in high demand in the 21st digital economy. In Malaysia public education system, the principal key to STEM education is Additional Mathematics. However, the statistics depicted that the number of upper secondary students enrolled in Additional Mathematics have been severely delineated. Furthermore, the prerequisite to enrol in STEM and Technical and Vocational Education and Training (TVET) courses in tertiary education is achieving a minimum grade C for Additional Mathematics. Therefore, the principal objective of this article is to identify the significant factors that affected the upper secondary students enrolled in Additional Mathematics using Pearson's chi-square test without Yates continuity correction and unadjusted odds ratio (OR). A validated questionnaire comprised nine potential factors that affected enrolment in additional mathematics was distributed to 389 Form Four students' cohort 2020 from four selected urban government schools to pursue this objective. Based on the finding of this article, several initiatives might be taken by the policymakers, such as the teachers may enhancing and throughout the broad of STEM and TVET careers in the 21st digital economy era, while the students' parents can participate in schools in building the communicating and coordinating mechanism. Consequently, the number of upper secondary enrolled in STEM education might be increased to pipeline the future STEM and TVET human capitals in sustaining and stabilising the national economy in the digital era

Thermal insulation properties of organic and inorganic material in clay brick - a review

Pore forming agent is widely used in clay brick making process whether originally organics or inorganics materials which can improve thermal insulation facing global warming issue. Many researchers trigged to discover the thermal insulation materials since the past decade due to responsibility to develop a comfort living demand for heating or cooling. This paper review on different types of thermal inorganic and organic insulation materials added into a clay brick to improve the thermal insulation properties. The scope of these reviews lies to the materials of; paper residue, rice husk, rice husk ash, olive stone flour, wheat straw, perlite, cigarette butt, vermiculite, waste marble powder and waste glass sludge. The discussions are made based on the properties of organic and inorganic materials used in improving the thermal insulation in clay brick. Hence, a throughout review of the composition and properties of brick and various factor related to manufacturing process is highly required for better standardization of clay bricks. A better understanding of different wastes incorporating clay brick utilize of various mining and industrial as well as achieving the goal of sustainable development

Effects of 12-Week Rowing Training on Resting Cardiac Output, Stroke Volume, and Heart Rate of Stroke Survivors

Rowing exercise is one of the cardiorespiratory exercises that induce higher aerobic capacity. Cardiorespiratory parameters, cardiac output (CO), stroke volume (SV), and heart rate (HR) are indicators to measure one’s cardiorespiratory fitness. The aim was to study the effects of 12-week rowing training on resting cardiac output (RCO), resting stroke volume (RSV), and resting heart rate (RHR) of stroke survivors. Ten stroke survivors (6 males; 4 females), mean age of 43.6 ± 16.15 years, were subjected to a 12-week rowing training (Concept II Rowing Ergometer, Model C, USA). An individualised programme was prescribed based on %HRR for each of stroke individual. Rowing training was conductedtwice per week (12 HIIT; 12 MR). Paired t-test and repeated measures ANOVA (RPM ANOVA) were used for statistical analyses using IBM® SPSS® Statistics 20 software. RPM ANOVA analysis showed no significant effect on RCO [F (5, 45) = 1.066, p = 0.392, RSV [F (2.188, 19.693) = 0.677, p = 0.532)], and RHR [F (5, 45) = 0.856, p = 0.518]. Paired t-test showed no significant difference between pre- and post-test despite the improved values of Mean ± Standard Deviation (RCO: 8129.50 ± 3916.31 to 8494.18 ± 6248.86 mL/min; RSV: 99.27 ± 33.98 to 121.84 ± 66.24 mL; RHR: 78.02 ± 17.39 to 77.17 ± 11.98 bpm) for all respective parameters. Twelve weeks rowing training did not improve resting cardiorespiratory parameters of stroke survivors statistically. Future studies are suggested to include gender difference and medication effect variables

Приклади завдань для позакласної роботи з інформатики у початковій школі

У статті коротко описана методика проведення позакласної роботи з інформатики у початковій школі