Hemiparesis post cerebral malaria

Cerebral malaria is one of the most serious complications in the Plasmodium falciparum infection. In endemic areas, the cerebral malaria interested mainly children. The occurrence in adults is very rare and most interested adult traveling in tropical zones. This case report describes a motor deficit post cerebral malaria in a young adult traveling in malaria endemic area. This complication has been reported especially in children and seems very rare in adults

Understanding Urban Heat Islands and Impacts

Urban heat islands play a large role in aggravating climate impacts on water, electricity, and air pollutants, and affect vulnerable communities disproportionately. This blog calls onto historical redlining and disinvestment and urban development as direct contributors of socioeconomic disparities and includes a case study of one of our region’s most vulnerable communities.https://digital.sandiego.edu/npi-sdclimate/1031/thumbnail.jp

Water and Agriculture in the San Diego Region

The San Diego region is susceptible to drought with little annual precipitation. The rising temperature and changing precipitation is expected to affect the agriculture economy. Classified as having a mediterranean climate, San Diego has hot, dry summers and cooler, wet winters. In this blog, learn about how San Diego\u27s climate shapes its agricultural communities\u27 reliance on water supply.https://digital.sandiego.edu/npi-sdclimate/1029/thumbnail.jp

Penerapan Pendekatan Inquiri Dapat Meningkatkan Hasil Belajar IPA Siswa Kelas III Sdn 014 Basilam Baru

. The problem is research in this study is the result of third-grade students learn science SDN 014 Basilam Baru still low or insufficient KKM set by the school at 65, which reaches only 11 people KKM 47.28% for the classically expected learning research with the application of the inquiry approach to the formulation of the problem "if the application of this approach can improve the results of the inquiry science at third grade students of SDN 014 Basilam Baru". The hypothesis of this study is to apply this approach when applied to the inquiry it will improve learning outcomes IPA third grade students of SDN 014 Basilam Baru. This research is a form of class research (PTK). The subjects were 014 students in grade III SDN 014 Basilam Baru second half of 2013 to 2014 the number of students the teaching of as many as 23 people. Consisted of 12 male students and 11 female students. The data collected from the observation

A single sensor controls large variations in zinc quotas in a marine cyanobacterium

Marine cyanobacteria are critical players in global nutrient cycles that crucially depend on trace metals in metalloenzymes, including zinc for CO2 fixation and phosphorus acquisition. How strains proliferating in the vast oligotrophic ocean gyres thrive at ultra-low zinc concentrations is currently unknown. Using Synechococcus sp. WH8102 as a model we show that its zinc-sensor protein Zur differs from all other known bacterial Zur proteins in overall structure and the location of its sensory zinc site. Uniquely, Synechococcus Zur activates metallothionein gene expression, which supports cellular zinc quotas spanning two orders of magnitude. Thus, a single zinc sensor facilitates growth across pico- to micromolar zinc concentrations with the bonus of banking this precious resource. The resultant ability to grow well at both ultra-low and excess zinc, together with overall lower zinc requirements, likely contribute to the broad ecological distribution of Synechococcus across the global oceans

Enhancing ASP flooding by using special combinations of surfactants and starch nanoparticles

This study aimed to address the challenges faced by mature oilfields in extracting substantial oil quantities. It focused on improving the efficiency of alkaline–surfactant–polymer (ASP) flooding technique, which is a proven tertiary recovery technology, to overcome scaling issues and other hindrances in its large-scale implementation. Appropriate materials and their suitable concentrations were selected to enhance the ASP flooding technique. Special surfactants from Indonesia were introduced to improve the interfacial tension reduction and wettability alteration. Reservoir rock model that resembling Langgak oilfield in Sumatra was utilized, and low-salinity water was employed to mimic the oilfield conditions. Starches derived from cassava nanoparticles (CSNPs) and purple yam nanoparticles (PYNPs) were combined separately with conventional hydrolyzed polyacrylamide (HPAM) polymer to enhance its performance. Sodium hydroxide and sodium carbonate were used as alkaline in final ASP formula. It was demonstrated from this research that only two combinations of ASP formulations have led to improved oil recovery. One combination utilizing PYNPs resulted in 39.17% progressive recovery, while the other combination incorporating CSNPs achieved 35% incremental oil recovery. The ASP combination that resulted in recovery rate of 39.17% was composed of sodium hydroxide (NaOH) at a concentration of 1.28 wt.%, PSC EOR 2.2 (0.98 wt.%), and a combined polymer consisting of HPAM (0.2 wt.%) and PYNPs nano-starch (0.6 wt.%). The second combination led to 35% recovery rate and involved NaOH also at concentration 1.28 wt.%, PSC HOMF (0.63 wt.%), and a combined polymer comprising from HPAM (0.2 wt.%) and CSNPs nano-starch (0.8 wt.%). These findings of this study highlighted the potential of this modified ASP flooding to enhance oil recovery in mature oilfields, thereby offering valuable insights for oil industry

Batch studies on nitrate removal from potable water

A sulphur / limestone autotrophic denitrification process was used to achieve the biological removal of nitrate from groundwater. The feasibility of the system was evaluated under anaerobic conditions using laboratory-scale batch reactors. The optimum sulphur / limestone ratio was determined to be 1:1 (wt/wt). Different initial nitrate-nitrogen concentrations (94, 57, and 10 mg NO3--N/l) were used during the batch tests to examine nitrate removal efficiencies. The results showed that the higher the initial concentration, the longer it takes before nitrate removal commences. Both total suspended solid (TSS) and mean size of particles increased with time, which may be related to bacterial growth in the system. WaterSA Vol.28(3) 2002: 319-32

Leader-member exchange and organizational citizenship behaviour: The moderator effects of subordinates’ horizontal collectivism orientation and team-member exchange

Past research has not clearly explained why the quality of leader-member exchange (LMX) is weakly related to organizational citizenship behaviour (OCB) in non-Western cultures. Hence, this study explores subordinates’ cultural value orientation and team member exchange (TMX) as boundary conditions of the effects of LMX on citizenship behaviour directed at individual organizational members (OCBI) and citizenship behaviour directed at the organization as a whole (OCBO). The research hypotheses were tested using a sample of 392 supervisor-subordinate dyads from organizations across different sectors in Ghana. The results support our theorizing that horizontal collectivism and TMX strengthen the relationship between LMX and OCBI such that the relationship is stronger for horizontal collectivists and under a high TMX context. However, the results did not support the hypothesized moderator effects of horizontal collectivism and TMX on the LMX-OCBO relationship. The theoretical contributions, managerial implications and avenues for further research are discussed