Simulation of Complex Heat Transfer Phenomenon across the Composite Wall by Using COMSOL Multiphysics

Steady state complex heat transfer phenomenon across a cold storage composite wall has been studied by using COMSOL 5.0 Multiphysics simulation software. The layers of composite wall are built with three different materials, pine, cork board and concrete. Inside and outside surface temperatures of composite wall are T1 = 255K and T4 = 298 K respectively. Without including convective resistance heat flux value is 17.15 W/m2 and with convective resistance it is reduced to 12.12 W/m2. The temperature profiles in each composite layer are linear at constant thermal conductivities. But it has been observed that this trend is changed when thermal conductivities are the function of temperature. COMSOL Multiphysics simulator results are compared with analytical results

Relative efficacy of organic substrates on maize root proliferation under water stress

The aggravating threat for today's agriculture is provision of food security to ever-escalating population utilizing scarce resources. Water scarcity is restraining humans to produce more from drops of water in place of gallons. Root is present at soil-plant interface and is main water extractor for plant. Its growth pattern varies as soil moisture conditions fluctuates. Present pot study consisting of two factors i.e. organic substrates (Farm manure, Poultry Manure and Molasses) and different water stress levels {50, 75, 100 and 125% of available water contents (AWCs)} using maize as test crop to assess their impact on different growth parameters (especially root growth). The experiment was conducted using completely randomized design CRD under factorial arrangement. Root length (44.5 cm), root fresh & dry biomass (71.1 g and 24.3 g, respectively), root diameter (1.73 mm), root volume (0.24 cm3) and root length density (7.4 x 10-3 cm cm-3) were observed in farm manure treated pots at 75% AWC that was statistically indistinguishable from all other treatments at same water level and 100% water availability but eloquently greater than plants of all treatments at 50% and 125% available water contents. Shoot length, dry and fresh weights were observed greater in plants having 100% available moistures. They were statistically at par with 75% water treated plants. Comparing treatments for all the parameters in multivariate cluster analysis it was concluded that 75% available water contents produce almost similar to 100% along with the benefit of water security

Outcome & Complications of Decompressive Craniectomy with Expansion Duroplasty in Severe Head Injury

Objective:  A descriptive case series was conducted to find the frequency of complications and complications of decompressive craniectomy with expansion duraplasty in severe head injury. Material and Methods:  189 patients fulfilling the selection criteria were included. All patients had TBI which was confirmed by CT scan. Surgery was performed on the day of admission under general anesthesia and a large trauma flap. Patients were monitored daily by evaluators from the date of surgery until hospital discharge or death. Patients were followed up for 3 months and the outcome was assessed using the Glasgow outcome scale (GOS). Results:  Mean age of the patients was 36.57 years. There were 61.4% (116) males and 38.6% (73) females. 3.7% had CSF leakage. 1.6% had meningitis. Wound infection was seen in 7.4% of patients. Forty percent had a favorable outcome and 60% had a poor outcome. Fifty patients out of 111 patients between 18 – 40 years showed good outcomes. Twenty-six out of 78 from the 41 – 60 years age group showed good outcomes. Out of 189 total, 76 patients had a good outcome. The outcome was good in 63 patients out of 148 patients with GCS 5 – 8, whereas 13 (out of 41) patients had a good outcome with GCS below 5. Conclusion:  We discovered that the result was good in 40% of patients, with 11 percent of complications recorded. Therefore, we concluded that decompressive craniectomy with expansion duraplasty is an effective procedure for the treatment of the severe head injury

Soil Application of Wheat Straw Vermicompost Enhances Morpho-Physiological Attributes and Antioxidant Defense in Wheat Under Drought Stress

With the provoked environmental constraints under extreme climatic events, a better understanding of plant responses to these environmental stresses helps in obtaining sustainable productivity. Wheat is a significant cereal crop for the burgeoning population; its yield is significantly limited by too little water in the rhizosphere. The ramifications of water deficiency on the wheat crop can be reduced by the application of vermicompost. With the objective to cope with drought stress, a wire-house experiment was established where seedlings of two cultivars, viz., Faisalabad-08 and Galaxy-13 (drought-tolerant and -sensitive cultivar, respectively) were grown in pots and exposed to mild drought (D1, 45% field capacity) and severe drought stress (D2, 30% field capacity). A control with well-watered condition (70% field capacity) was kept for comparison. Various application rates of wheat straw vermicompost (control (VT0), 4 t ha(-1) (VT1), 6 t ha(-1) (VT2), and 8 t ha(-1) (VT3)), were used in soil-filled pots under drought and control treatments. Our data depicted that compared with control, drought treatments recorded a significant reduction in morpho-physiological and biochemical attributes with maximum reduction under severe drought conditions. Nonetheless, it was observed that soil application of vermicompost, particularly at a high rate, ameliorated the negative effects of drought. Under severe drought conditions, a significant and positive influence on morphological and physiological traits was recorded for VT3 treatment, which increased root and shoot length by 27.55 and 27.85%, root and shoot fresh weight by 26.98 and 28.20%, root and shoot dry weight by 40 and 50.05%, and photosynthesis and transpiration rate by 27.65 and 49.25%, respectively, on average of two cultivars. Similarly, VT3 also significantly ameliorated the adverse effect of drought by enhancing the antioxidant enzyme activities as it increased superoxide dismutase activity by 14.28%, peroxidase by 27.28%, and catalase by 50% compared to the control treatment. Among cultivars, Faisalabad-2008 showed comparatively more resistance against drought stress. The findings of this work revealed that drought drastically reduced the growth and productivity of wheat; however, soil-applied vermicompost positively influenced the performance of wheat cultivars.Taif University, Taif, Saudi Arabia [TURSP-2020/94]The current work was funded by the Taif University Researchers Supporting Project Number (TURSP-2020/94), Taif University, Taif, Saudi Arabia

Correlation of Uric Acid Levels with Feto-Maternal Outcomes in Hypertensive Disorders in Pregnancy

Objective: To explore the correlation between uric acid levels and feto-maternal outcomes in women with hypertensive disorders of pregnancy. Study Design: Comparative cross-sectional study. Place and Duration of Study: Obstetrics & Gynaecology Department, Combined Military Hospital, Rawalpindi Pakistan, from Feb to Aug 2021. Methodology: In this cross-sectional study, 90 pregnant women with hypertensive disorders having greater than 26 weeks of gestation were included after seeking Ethical Committee approval. Selected parameters were noted on a structured proforma. Results: Among the participants, 38(42.2%) had pregnancy-induced hypertension, 32(35.5%) had pre-eclampsia, 13(14.5%) had chronic hypertension with pre-eclampsia, and 7(7.8%) had eclampsia. Mean Uric acid levels ranged between 363.66±50.45 μmol/L and 451.86±120.62μmol/L, with a significant difference between PIH and eclampsia (p<0.001). Mode of delivery was avaginal, primary cesarean section, and repeat cesarean section in 31(34.4%), 38(42.2%), and 21(23.4%) patients, respectively(p<0.001). Liquor was meconium stained in 49(54.4%) while clear in 41(45.6%) births, with (p<0.001). Early neonatal deaths6(6.7%) participants had significantly higher uric acid levels than no NICU admission 22(24.4%). In maternal outcomes, 83 patients (92.2%) required routine post-operative care, while 7(7.8 %) went to the intensive care unit. Uric acid levels had a negative correlation with gestational age. Conclusion: Maternal uric acid levels differ significantly in different hypertensive disorders of pregnancy and affect the mode of delivery and neonatal outcomes

Research on Efficient Data Forwarding in Vehicular Networks

[No abstract available]1

Immunity and field efficacy of type 2-containing polio vaccines after cessation of trivalent oral polio vaccine: A population-based serological study in Pakistan

Background: In Pakistan and other countries using oral polio vaccine (OPV), immunity to type 2 poliovirus is now maintained by a single dose of inactivated polio vaccine (IPV) in routine immunization, supplemented in outbreak settings by monovalent OPV type 2 (mOPV2) and IPV. While well-studied in clinical trials, population protection against poliovirus type 2 achieved in routine and outbreak settings is generally unknown.Methods: We conducted two phases of a population-based serological survey of 7940 children aged 6-11 months old, between November 2016 and October 2017 from 13 polio high-risk locations in Pakistan.Results: Type 2 seroprevalence was 50% among children born after trivalent OPV (tOPV) withdrawal (April 2016), with heterogeneity across survey areas. Supplementary immunization activities (SIAs) with mOPV2 followed by IPV improved population immunity, varying from 89% in Pishin to 64% in Killa Abdullah, with little observed marginal benefit of subsequent campaigns. In the other high-risk districts surveyed, a single SIA with IPV was conducted and appeared to improve immunity to 57% in Karachi to 84% in Khyber.Conclusions: Our study documents declining population immunity following trivalent OPV withdrawal in Pakistan, and wide heterogeneity in the population impact of supplementary immunization campaigns. Differences between areas, attributable to vaccination campaign coverage, were far more important for type 2 humoral immunity than the number of vaccination campaigns or vaccines used. This emphasizes the importance of immunization campaign coverage for type 2 outbreak response in the final stages of polio eradication. Given the declining type 2 immunity in new birth cohorts it is also recommended that 2 or more doses of IPV should be introduced in the routine immunization program of Pakistan

Third-Party Verification Immunization Coverage Survey (TPVICS) - 2021

• Background• Survey Design and Methodology• Implementation of Survey• Survey Results• Referenceshttps://ecommons.aku.edu/pakistan_coe-wch_survey_report/1000/thumbnail.jp

Zinc nutrition application augments morpho-physiological attributes, productivity and grain zinc bioavailability of Paddy Rice

Zinc (Zn) deficiency is the most important micronutrient disorders affecting plants and human health. Present study evaluated the potential of various Zn application methods in improving the performance of selected rice genotypes and Zn bioavailability in grains. Pre-selected Zn application methods through pot experiments were validated in the field. Harvested grains were fed to albino rats for Zn bioavailability. Results revealed that soil + foliar application of Zn was effective in improving the seedling growth of rice genotypes by modulating the agronomic, water related and biochemical attributes. The rats gained more body weight fed with rice genotype Accession-164 (high Zn accumulator) compared with the minimum for Super Basmati (low Zn accumulator) feed. In crux, soil application of Zn at 15 kg ha-1 followed by foliar application of 0.25% ZnSO4.7H2O solution at tillering and heading stages produced the highest grain yield (26.25%, 29.11%) with maximum bioavailable Zn (21.02%, 22.50%) during both years, respectively, in the grains for combating malnutrition in the tested rats

Arsenic speciation and biotransformation pathways in the aquatic ecosystem: The significance of algae

© 2020 Elsevier B.V. The contamination of aquatic systems with arsenic (As) is considered to be an internationally-important health and environmental issue, affecting over 115 countries globally. Arsenic contamination of aquatic ecosystems is a global threat as it can enter the food chain from As-rich water and cause harmful impacts on the humans and other living organisms. Although different factors (e.g., pH, redox potential, iron/manganese oxides, and microbes) control As biogeochemical cycling and speciation in water systems, the significance of algal species in biotransformation of As is poorly understood. The overarching attribute of this review is to briefly elaborate various As sources and its distribution in water bodies and factors affecting As biogeochemical behavior in aqueous ecosystems. This review elucidates the intriguing role of algae in biotransformation/volatilization of As in water bodies under environmentally-relevant conditions. Also, we critically delineate As sorption, uptake, oxidation and reduction pathways of As by algae and their possible role in bioremediation of As-contaminated water (e.g., drinking water, wastewater). The current review provides the updated and useful framework for government and water treatment agencies to implement algae in As remediation programs globally