9 research outputs found

    Democratic research: Setting up a research commons for a qualitative, comparative, longitudinal interview study during the COVID-19 pandemic

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    The sudden and dramatic advent of the COVID-19 pandemic led to urgent demands for timely, relevant, yet rigorous research. This paper discusses the origin, design, and execution of the SolPan research commons, a large-scale, international, comparative, qualitative research project that sought to respond to the need for knowledge among researchers and policymakers in times of crisis. The form of organization as a research commons is characterized by an underlying solidaristic attitude of its members and its intrinsic organizational features in which research data and knowledge in the study is shared and jointly owned. As such, the project is peer-governed, rooted in (idealist) social values of academia, and aims at providing tools and benefits for its members. In this paper, we discuss challenges and solutions for qualitative studies that seek to operate as research commons

    Deviations in the biochemical structure of some macroalgal species and their relation to the environmental conditions in Qarun Lake, Egypt

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    Variations in the biochemical structure of seven macroalgal species, belonging to different families were investigated along with subsequent analysis of relevant water physico-chemical parameters. Samples were collected from different sites along the Egyptian Qarun Lake during spring of 2017. The relationship between the macroalgal components and ambient water parameters was studied. The results indicated that the macroalgal components differed according to plant species and spatial variations. The green macroalgae species Ulva fasciata was recorded at site 5. It was found to have the highest protein (20.66 ± 0.04%), DCP (15.67 ± 0.04%), P/NFE (0.65 ± 0.01%), P/EV 7.65 ± 0.03 mg crude protein/K cal GE and nitrogen contents (3.31 ± 0.01%). However Cladophora laetevirens collected from site7, had the highest lipid, ME, EV and K contents (3.64 ± 0.00%, 3.25 ± 0.00%, 3.99 ± 0.00 K cal/g and 0.40 ± 0.0%, respectively). Mougeotia genuflexa from site 4, had the highest ash content (53.58 ± 0.08%). Gracilaria corticata from site 6, had the highest NFE and OM contents (76.26 ± 0.15 and 89.68 ± 0.04% respectively) and Enteromorpha intestinalis collected from site 2 had the highest P/L value (11.71 ± 0.02%). Statistical analysis (CCA) showed that some environmental variables such as temperature, NO3, pH, COD and transparency had a strong effect on the macroalgal components and were considered as the most important water variables. While others such as DO, SiO3, NO2 and PO4, exhibited a weak correlation. The present study demonstrates differential response of the macroalgal components to the environmental variables. In addition to the importance of these macroalgal species as a balanced artificial fish and animal feeds, particularly Ulva fasciata, which have the highest nutritional components. Keywords: Biochemical structure, Macroalgae, Water physicochemical parameter

    Evaluation of surface water quality and heavy metal indices of Ismailia Canal, Nile River, Egypt

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    Ismailia Canal is one of the most important branches of the Nile River in Egypt. It is the main source of drinking and irrigation water for many cities. Weighted arithmetic method of water quality index (WQI) was used to evaluate the water quality of Ismailia Canal according to drinking, irrigation and aquatic life water utilizations. The objective of the index is to transform complex water quality data into understandable and usable information by the public. The WQI values of Ismailia Canal are good to poor for drinking and aquatic life utilizations, and excellent for irrigation utilization. Metal index (MI) and pollution index (PI) were calculated to assess the contaminations of the canal water with the metals (Al+3, Cd+2. Cu+2, Fe+2, Mn+2, Ni+2, Pb+2 and Zn+2). MI and PI values denote the dangerous pollution of the canal water, which is described as seriously at most sites along, in particular for drinking and fisheries utilizations. It may be attributed to the effluents of different industrial wastes arriving at the canal water. Law 48/1982 for the protection of the Nile River and its waterways against pollution must be enforced to prevent the obvious deterioration of the canal water and to improve its quality

    Removal of aluminum, iron and manganese ions from industrial wastes using granular activated carbon and Amberlite IR-120H

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    The removal of aluminum, iron and manganese from some pollution sources that drain into Ismailia Canal has been investigated using two different sorbents; granular activated carbon (GAC) and Amberlite IR-120H (AIR-120H). Batch equilibrium experiments showed that the two sorbents have maximum removal efficiency for aluminum and iron pH 5 and 10 min contact time in ambient room temperature, while pH 7 and 30 min were the most appropriate for manganese removal. Dosage of 2 g/l for both GAC and AIR-120H was established to give the maximum removal capacity. At optimum conditions, the removal trend was in order of Al+3 > Fe+2 > Mn+2 with 99.2, 99.02 and 79.05 and 99.55, 99.42 and 96.65% of metal removal with GAC and AIR-120H, respectively. For the three metals, Langmuir and Freundlich isotherms showed higher R2 values, with a slightly better fitting for the Langmuir model. In addition, separation factors (RL) and exponent (n) values indicated favorable Langmuir (0 < RL < 1) and Freundlich (1 < n < 10) approach. GAC and AIR-120H can be used as excellent alternative, effective and inexpensive materials to remove high amounts of heavy metals from waste water

    Democratic research: Setting up a research commons for a qualitative, comparative, longitudinal interview study during the COVID-19 pandemic

    No full text
    The sudden and dramatic advent of the COVID-19 pandemic led to urgent demands for timely, relevant, yet rigorous research. This paper discusses the origin, design, and execution of the SolPan research commons, a large- scale, international, comparative, qualitative research project that sought to respond to the need for knowledge among researchers and policymakers in times of crisis. The form of organization as a research commons is characterized by an underlying solidaristic attitude of its members and its intrinsic organizational features in which research data and knowledge in the study is shared and jointly owned. As such, the project is peer-governed, rooted in (idealist) social values of academia, and aims at providing tools and benefits for its members. In this paper, we discuss challenges and solutions for qualitative studies that seek to operate as research commons

    Surgical site infection after gastrointestinal surgery in children: An international, multicentre, prospective cohort study

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    Introduction Surgical site infection (SSI) is one of the most common healthcare-associated infections (HAIs). However, there is a lack of data available about SSI in children worldwide, especially from low-income and middle-income countries. This study aimed to estimate the incidence of SSI in children and associations between SSI and morbidity across human development settings. Methods A multicentre, international, prospective, validated cohort study of children aged under 16 years undergoing clean-contaminated, contaminated or dirty gastrointestinal surgery. Any hospital in the world providing paediatric surgery was eligible to contribute data between January and July 2016. The primary outcome was the incidence of SSI by 30 days. Relationships between explanatory variables and SSI were examined using multilevel logistic regression. Countries were stratified into high development, middle development and low development groups using the United Nations Human Development Index (HDI). Results Of 1159 children across 181 hospitals in 51 countries, 523 (45·1%) children were from high HDI, 397 (34·2%) from middle HDI and 239 (20·6%) from low HDI countries. The 30-day SSI rate was 6.3% (33/523) in high HDI, 12·8% (51/397) in middle HDI and 24·7% (59/239) in low HDI countries. SSI was associated with higher incidence of 30-day mortality, intervention, organ-space infection and other HAIs, with the highest rates seen in low HDI countries. Median length of stay in patients who had an SSI was longer (7.0 days), compared with 3.0 days in patients who did not have an SSI. Use of laparoscopy was associated with significantly lower SSI rates, even after accounting for HDI. Conclusion The odds of SSI in children is nearly four times greater in low HDI compared with high HDI countries. Policies to reduce SSI should be prioritised as part of the wider global agenda

    International Nosocomial Infection Control Consortiu (INICC) report, data summary of 43 countries for 2007-2012. Device-associated module

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    We report the results of an International Nosocomial Infection Control Consortium (INICC) surveillance study from January 2007-December 2012 in 503 intensive care units (ICUs) in Latin America, Asia, Africa, and Europe. During the 6-year study using the Centers for Disease Control and Prevention's (CDC) U.S. National Healthcare Safety Network (NHSN) definitions for device-associated health care–associated infection (DA-HAI), we collected prospective data from 605,310 patients hospitalized in the INICC's ICUs for an aggregate of 3,338,396 days. Although device utilization in the INICC's ICUs was similar to that reported from ICUs in the U.S. in the CDC's NHSN, rates of device-associated nosocomial infection were higher in the ICUs of the INICC hospitals: the pooled rate of central line–associated bloodstream infection in the INICC's ICUs, 4.9 per 1,000 central line days, is nearly 5-fold higher than the 0.9 per 1,000 central line days reported from comparable U.S. ICUs. The overall rate of ventilator-associated pneumonia was also higher (16.8 vs 1.1 per 1,000 ventilator days) as was the rate of catheter-associated urinary tract infection (5.5 vs 1.3 per 1,000 catheter days). Frequencies of resistance of Pseudomonas isolates to amikacin (42.8% vs 10%) and imipenem (42.4% vs 26.1%) and Klebsiella pneumoniae isolates to ceftazidime (71.2% vs 28.8%) and imipenem (19.6% vs 12.8%) were also higher in the INICC's ICUs compared with the ICUs of the CDC's NHSN
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