Effective Management of Human Resource in Schools of the Future: the Superleadership Paradigm

The impact of technology on education has generated varying possibilities of approaches and techniques in the teaching-learning process in the Malaysian educational setting. In effect, the impact has been pervasive in the management and administrative culture in schools to the extent that there is a growing demand toward a continual building of competency, capacity and capability of educational leaders and managers through various training program

A study of local approximation for polarization potentials

We discuss the derivation of an equivalent \textit{l}-independent polarization potential for use in the optical Schr\"{o}dinger equation that describes the elastic scattering of heavy ions. Three diffferent methods are used for this purpose. Application of our theory to the low energy scattering of the halo nucleus $^{11}$Li from a $^{12}$C target is made. It is found that the notion of \textit{l}-independent polarization potential has some validity but can not be a good substitute for the \textit{l}-dependent local equivalent Feshbach polarization potential.Comment: 8 pages, 4 figure

Interference effects in the Coulomb dissociation of 15,17,19C

In this work the semiclassical model of pure Coulomb excitation was applied to the breakup of 15,17,19C. The ground state wave functions were calculated in the particle-rotor model including core excitation. The importance of interference terms in the dipole strength arising after including core degrees of freedom is analyzed for each isotope. It is shown that Coulomb interference effects are important for the case of 17C.Comment: 17 pages, 5 figures accepted to Physical Review

Antibacterial efficacy of some essential oils in combination with locally used disinfectants against clinical and environmental strains of Staphylococcus spp.

Through a period of three months ( October to December, 2014), 37 clinical and environmental Staphylococcus isolates were collected from three different hospitals in Baghdad (Baghdad Teaching Hospital, Fattima-AL-Zahra Hospital for Pediatric and Obstetricand AL-Kindi Teaching Hospital), 25(67.57%) isolates were from clinical specimens and 12(32.43%) isolates were from hospital environment. out of 37 isolates, 28(75.68%) isolates were Coagulase-Negative Staphylococci (CONS) while 9 (24.32%) isolates were Staphylococcus aureus (coagulase-positive staphylococci). Three different disinfectants commonly used in our hospitals were tested to determine the antibacterial activity against Staphylococcus isolates and the result in showed a high level resistance of Staphylococcus isolates to the disinfectants under test when used alone. The result also showed that the concentrated SURFANIOS and Sekulyse disinfectants were more effective on the Staphylococcus isolates under test in comparison to the diluted concentration of those disinfectants. Antibacterial activity of Syzygium aromaticum (cloves oil), Eucalyptus globules (calptus oil) and Rosmarinus officinalis (rosemary oil) was done in different concentrations (100, 50, 25 and 12,25 mg/ml) for each essential oil. The findings revealed that the cloves oil is the only essential oil which had antibacterial activity against Staphylococcus spp.strains in the 100,50and 25 mg/ml concentrations, while the other two essential oils have no antibacterial activity against studied isolates. The antibacterial activity of essential oils in combination with disinfectants against Staphylococci strains were observed using agar well diffusion method and the result showed that the essential oils in combination with disinfectants showed considerably more antibacterial activity than the essential oils and disinfectants alone when compared with them

Real-Time Cure Monitoring of Unsaturated Polyester Resin from Ultra-Violet Curing

Real time Fourier transform infrared (RTFT-IR) spectroscopy reveals the influence of the nature of the photoinitiator on the kinetics for the polymerization reaction. Real time cure monitoring was used to determine the polymerization rate of ultra-violet cured unsaturated polyester resins (UPR1:2-1:5) based on palm oil and containing styrene as a cross-linking agent in the presence of IRGACURE 184 photoinitiator. Firstly, variable types of UPR1:2-1:5 were prepared using various ratios of monoglyceride (MG) monomer to maleic anhydride which used as a source of double bond using polycondensation technique. RTFT-IR spectroscopy was used to characterize the ultra-violet curing kinetics for all the systems. This technique offered a powerful approach for monitoring changes in the chemical properties of the system during the ultra-violet curing. Pseudo first order kinetics for all UPR1:2-1:5 curable systems were determined and the rate constant values and regression coefficients were calculated. Furthermore, the thermal behaviour and morphological features for the photo-fabricated UPR1:2-1:5 systems were examined. The thermal analyses for the cured films were evaluated by TGA, DTG and DSC in nitrogen atmosphere at a heating rate of 10°C/min. All the formulations showed similar degradation pattern at 40 % and 50 % weight losses (Td = 40% and Td =50% respectively) except polymer UPR1:5 which had somewhat lower degree in the same range. In addition, the morphological properties for photo-fabricated UPR1:2,1:3,1:5 were investigated by using scanning electron microscopy.

The Effectiveness of Mangosteen Peels Extract Against the Total of T Lymphocytes in HIV Patients

Introduction: The Province of West Java is one of the highest HIV sufferers in Indonesia that has increased accumulatively in 2013 to 2014. This condition was proven that in 2014 West Java ranked 4th among the provinces with the highest HIV sufferers in Indonesia. HIV has main target to infect a cell that contains of receptor, CD4. CD4 examination routinely is very important to decide HIV replication process. Meanwhile, CD4 test in the laboratory is quite expensive and not always available in every health facilities. Mangosteen peels extract contains of xanthones as an antioxidant, which is needed for body as a prooxidant that can inhibit the replication of HIV and the activity was seen from the total number of lymphocyte. Method: The human experimental research has been done by Randomized Control Group Pretest-Post Test Design. There were 20 patients sample for each group. In group 1, HIV patients with ARV therapy were given mangosteen peels extract and in group 2, they were given placebo capsule. Wilcoxon Smith test and Mann Whitney U test were used to determine the difference between group 1 and group 2. Result: There is no significant difference between lymphocytes (p: 0.102) to HIV patients with ARV in each group examination. Discussion: The ineffectiveness is caused by the phagocytocity and cytoxity of TNF through the increasing of free radicals in HIV patients

Effect of ruminal ammonia supply on lysine utilization by growing steers

Citation: Hussein, A. H., Batista, E. D., Miesner, M. D., & Titgemeyer, E. C. (2016). Effect of ruminal ammonia supply on lysine utilization by growing steers. Journal of Animal Science, 94(2), 656-664. doi:10.2527/jas2015-9717Six ruminally cannulated Holstein steers (202 +/- 15 kg) were used to study the effects of ruminal ammonia loading on whole-body lysine (Lys) utilization. Steers were housed in metabolism crates and used in a 6 x 6 Latin square design. All steers received 2.52 kg DM/d of a diet (10.1% CP) containing 82% soybean hulls, 8% wheat straw, 5% cane molasses, and 5% vitamins and minerals, and 10 g/d of urea (considered to be part of the basal diet) was ruminally infused continuously to ensure adequate ruminal ammonia concentrations. All steers were ruminally infused continuously with 200 g/d of acetic acid, 200 g/d of propionic acid, and 50 g/d of butyric acid and abomasally infused with 300 g/d of glucose continuously to increase energy supply without increasing microbial protein supply. Steers were also abomasally infused continuously with an excess of all essential AA except Lys to ensure that Lys was the only limiting AA. Treatments were arranged as a 3 x 2 factorial with 3 levels of urea (0, 40, or 80 g/d) continuously infused ruminally to induce ammonia loading and 2 levels of Lys (0 or 6 g/d) continuously infused abomasally. Treatments did not affect fecal N output (P = 0.37). Lysine supplementation decreased (P < 0.01) urinary N excretion from 51.9 g/d to 44.3 g/d, increased (P < 0.01) retained N from 24.8 to 33.8 g/d, increased (P < 0.01) plasma Lys, and decreased (P <= 0.05) plasma serine, tyrosine, valine, leucine, and phenylalanine. Lysine supplementation also tended (P = 0.09) to reduce plasma urea-N. Urea infusions linearly increased (P = 0.05) retained N (27.1, 29.3, and 31.5 g/d) and also linearly increased (P < 0.01) urinary N excretion (31.8, 48.1, and 64.4 g/d), urinary urea (21.9, 37.7, and 54.3 g/d), urinary ammonia (1.1, 1.4, and 1.9 g/d), and plasma urea (2.7, 4.0, and 5.1 mM), and linearly decreased plasma alanine (P = 0.04) and plasma glycine (P < 0.01). Assuming that retained protein is 6.25 x retained N and contains 6.4% Lys, the incremental efficiencies of infused Lys utilization were 51%, 59%, and 69% for steers receiving 0, 40, and 80 g/d of urea, respectively, indicating that ruminal ammonia loads may improve the efficiency of Lys utilization. This is supported by observed increases in whole body-protein deposition in response to ammonia loading of our steers that were, by design, Lys deficient

Conductance peaks in open quantum dots

We present a simple measure of the conductance fluctuations in open ballistic chaotic quantum dots, extending the number of maxima method originally proposed for the statistical analysis of compound nuclear reactions. The average number of extreme points (maxima and minima) in the dimensionless conductance, $T$, as a function of an arbitrary external parameter $Z$, is directly related to the autocorrelation function of $T(Z)$. The parameter $Z$ can be associated to an applied gate voltage causing shape deformation in quantum dot, an external magnetic field, the Fermi energy, etc.. The average density of maxima is found to be $= \alpha_{Z}/Z_c$, where $\alpha_{Z}$ is a universal constant and $Z_c$ is the conductance autocorrelation length, which is system specific. The analysis of $$ does not require large statistic samples, providing a quite amenable way to access information about parametric correlations, such as $Z_c$.Comment: 5 pages, 5 figures, accepted to be published - Physical Review Letter