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https://www.readbyqxmd.com/read/28343050/photocatalytic-efficiency-of-fe2o3-tio2-for-the-degradation-of-typical-dyes-in-textile-industries-effects-of-calcination-temperature-and-uv-assisted-thermal-synthesis
#1
Mohsen Nasirian, Ciro Fernando Bustillo-Lecompte, Mehrab Mehrvar
The inadequate management practices in industrial textile effluents have a considerable negative impact on the environment and human health due to the indiscriminate release of dyes. Photocatalysis is one of the diverse advance oxidation processes (AOPs) and titanium dioxide (TiO2) is recognized for its high oxidation and reduction power. A composite photocatalyst of Fe2O3/TiO2 is synthesized using different mass ratios of Fe:TiO2 to improve its photoactivity. The composite photocatalyst is calcined at 300-900 °C...
March 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28342960/geophagy-during-pregnancy-is-there-a-health-risk-for-infants
#2
Claudia Gundacker, Ruth Kutalek, Rosina Glaunach, Coloman Deweis, Markus Hengstschläger, Armin Prinz
Prenatal lead exposure is a public health concern. Geophagy, the practice of soil eating, is documented for pregnant women of sub-Saharan Africa to treat pregnancy-related malaise. The soils however can contain substantial amounts of lead. In an exploratory study on 48 mother-child pairs in the Democratic Republic of Congo, we found striking site-specific differences in prenatal lead exposure, i.e., higher lead levels at Kisangani than at Isiro. Kisangani women consumed 1/ more often soil during the first trimester of pregnancy as well as 2/ a different type of soil compared to Isiro women (P<0...
March 23, 2017: Environmental Research
https://www.readbyqxmd.com/read/28342756/photocatalytic-and-antimicrobial-activities-of-chitosan-tio2-nanocomposite
#3
K T Karthikeyan, A Nithya, K Jothivenkatachalam
Chitosan, a natural polysaccharide widely used for various biological applications due to their potential benefits. Incorporation of biomaterials with semiconductor has been exploited for waste water treatment and biological applications due to their nanometric sizes and biocompatibility of chitosan. Chitosan-Titanium dioxide (CS-TiO2) nanocomposite was synthesized and their optical, structural, spectral, thermal, morphological and elemental analyses were carried out by several techniques. The particle size of the synthesized CS-TiO2 nanocomposite was around 90nm and has a crystalline structure with anatase phase of TiO2...
March 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28336269/epidemiology-of-polyparasitism-with-taenia-solium-schistosomes-and-soil-transmitted-helminths-in-the-co-endemic-village-of-malanga-democratic-republic-of-congo
#4
Joule Madinga, Katja Polman, Kirezi Kanobana, Lisette van Lieshout, Eric Brienen, Nicolas Praet, Constantin Kabwe, Sarah Gabriël, Pierre Dorny, Pascal Lutumba, Niko Speybroeck
Helminth co-infections are common in sub-Saharan Africa. However, little is known about the distribution and determinants of co-infections with Taenia solium taeniasis/cysticercosis. Building on a previous community-based study on human cysticercosis in Malanga village, we investigated co-infections with Taenia solium, soil-transmitted helminths (STHs) and Schistosoma spp and associated risk factors in a random subsample of 330 participants. Real time PCR assays were used to detect DNA of soil-transmitted helminths (STHs), T...
March 20, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28335777/the-reasons-why-pakistan-might-be-at-high-risk-of-crimean-congo-haemorrhagic-fever-epidemic-a-scoping-review-of-the-literature
#5
REVIEW
Muhammad Atif, Anum Saqib, Raazeyah Ikram, Muhammad Rehan Sarwar, Shane Scahill
Pakistan has faced a number of significant healthcare challenges over the past decade. In 2000, one of these events - a deadly epidemic of Crimean Congo Haemorrhagic Fever (CCHF) - struck Pakistan. The people of Pakistan are at a very high risk of acquiring CCHF, due to a number of factors which emerge from a scoping review of the literature. First, the underdeveloped healthcare system of the country is currently not prepared to cope with challenges of this nature. Healthcare professionals and medical institutes are not sufficiently equipped to properly diagnose, manage and prevent CCHF...
March 23, 2017: Virology Journal
https://www.readbyqxmd.com/read/28333717/effect-of-resistance-exercise-on-muscle-metabolism-and-autophagy-in-sibm
#6
Jae-Hoon Jeong, Dae-Seung Yang, Dong-Ju Hwang, Joon-Yong Cho, Eun-Bum Kang
PURPOSE: Sporadic inclusion body myositis (sIBM), a muscular degenerative disease in the elderly, is an inflammatory myopathy characterized by muscle weakness in the wrist flexor, quadriceps, and tibialis anterior muscles. We aimed to identify the therapeutic effect of resistance exercise (RE) in improving sIBM symptoms in an sIBM animal model. METHODS: Six-week-old male Wistar rats were divided into a sham group (sham, n = 12), chloroquine-control group (CQ-con, n = 12), and chloroquine-RE group (CQ-RE, n = 12)...
March 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28332189/technical-intelligence-and-culture-nut-cracking-in-humans-and-chimpanzees
#7
Christophe Boesch, Daša Bombjaková, Adam Boyette, Amelia Meier
OBJECTIVES: According to the technical intelligence hypothesis, humans are superior to all other animal species in understanding and using tools. However, the vast majority of comparative studies between humans and chimpanzees, both proficient tool users, have not controlled for the effects of age, prior knowledge, past experience, rearing conditions, or differences in experimental procedures. We tested whether humans are superior to chimpanzees in selecting better tools, using them more dexteriously, achieving higher performance and gaining access to more resource as predicted under the technical intelligence hypothesis...
March 23, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28331092/monkeypox-virus-host-factor-screen-in-haploid-cells-identifies-essential-role-of-garp-complex-in-extracellular-virus-formation
#8
Susan Realegeno, Andreas S Puschnik, Amrita Kumar, Cynthia Goldsmith, Jillybeth Burgado, Suryaprakash Sambhara, Victoria A Olson, Darin Carroll, Inger Damon, Tetsuya Hirata, Taroh Kinoshita, Jan E Carette, Panayampalli Subbian Satheshkumar
Monkeypox virus (MPXV) is a human pathogen that is a member of the Orthopoxvirus genus, which includes Vaccinia virus and Variola virus (the causative agent of smallpox). Human monkeypox is considered an emerging zoonotic infectious disease. To identify host factors required for MPXV infection, we performed a genome-wide insertional mutagenesis screen in human haploid cells. The screen revealed several candidate genes, including those involved in Golgi trafficking, glycosaminoglycan biosynthesis and glycosylphosphatidylinositol (GPI) - anchor biosynthesis...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28330177/pseudomonas-extremorientalis-bu118-a-new-salt-tolerant-laccase-secreting-bacterium-with-biotechnological-potential-in-textile-azo-dye-decolourization
#9
Mohamed Neifar, Habib Chouchane, Mouna Mahjoubi, Atef Jaouani, Ameur Cherif
The present investigation focused on screening of a new potent strain for laccase production and optimizing the process parameters to achieve the maximum enzymatic decolourization of textile azo dye Congo red. Seven hydrocarbonoclastic bacterial strains were selected as positive in laccase production in solid medium using 2,6 dimethoxyphenol as an enzyme activity indicator. The best enzyme producer Pseudomonas extremorientalis BU118 showed a maximum laccase activity of about 7000 U/L of wheat bran under solid-state conditions...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328549/epigallocatechin-gallate-inhibits-macaque-sevi-mediated-enhancement-of-siv-or-shiv-infection
#10
Run-Hong Zhou, Le Guo, Jin-Biao Liu, Hang Liu, Wei Hou, Tong-Cui Ma, Xu Wang, Jian-Guo Wu, Li Ye, Wen-Zhe Ho, Jie-Liang Li
BACKGROUND: Human semen contains a factor that can enhance HIV infection up to 10^5-fold in cultures. This factor is termed SEVI (Semen-derived Enhancer of Virus Infection), which is composed of proteolytic fragments (PAP248-286) from prostatic acid phosphatase (PAP) in semen. Here, we examined whether macaque SEVI can facilitate simian immunodeficiency virus (SIV) or chimeric simian/human immunodeficiency virus (SHIV) infection. We also studied the effect of EGCG on macaque SEVI-mediated SIV or SHIV enhancement...
March 22, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28326164/ptsd-symptom-severity-relates-to-cognitive-and-psycho-social-dysfunctioning-a-study-with-congolese-refugees-in-uganda
#11
Herbert E Ainamani, Thomas Elbert, David K Olema, Tobias Hecker
Background: In the ongoing conflict in the Democratic Republic of the Congo (DRC), civilians have been heavily exposed to traumatic stressors. Traumatizing experiences cumulatively heighten the risk for trauma-related disorders, and with it affect cognitive and psycho-social functioning. Objectives: We aimed at investigating the association between trauma-related disorders and cognitive and psycho-social functioning and hypothesized that PTSD symptom severity would negatively correlate with executive functioning, working memory and psycho-social functioning in everyday life...
2017: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/28322706/malaria-in-children-adopted-from-the-democratic-republic-of-the-congo
#12
Elena Chiappini, Sara Sollai, Maurizio de Martino, Luisa Galli
Data are lacking regarding asymptomatic and symptomatic malaria prevalence in internationally adopted children. Among 20 children from Democratic Republic of the Congo evaluated in Florence, Italy, in April 2016, malaria prevalence was 80%; 50% of infected children had symptomatic malaria. Adopted children from areas of high malaria endemicity should be screened for malaria.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28316015/expression-and-characterization-of-codon-optimized-crimean-congo-hemorrhagic-fever-virus-gn-glycoprotein-in-insect-cells
#13
Mehdi Rahpeyma, Alireza Samarbaf-Zadeh, Manoochehr Makvandi, Ata A Ghadiri, Stuart D Dowall, Fatemeh Fotouhi
Crimean-Congo hemorrhagic fever virus (CCHFV) is a major cause of tick-borne viral hemorrhagic disease in the world. Despite of its importance as a deadly pathogen, there is currently no licensed vaccine against CCHF disease. The attachment glycoprotein of CCHFV (Gn) is a potentially important target for protective antiviral immune responses. To characterize the expression of recombinant CCHFV Gn in an insect-cell-based system, we developed a gene expression system expressing the full-length coding sequence under a polyhedron promoter in Sf9 cells using recombinant baculovirus...
March 18, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28315735/very-rapid-amyloid-fibril-formation-by-a-bacterial-lipase-in-the-absence-of-a-detectable-lag-phase
#14
Fatemeh Rashno, Khosro Khajeh, Claudia Capitini, Reza H Sajedi, Maryam Monsef Shokri, Fabrizio Chiti
The conversion of proteins from their soluble states into well-organized amyloid fibrils has received abundant attention. This process typically consists of three stages: lag, growth and plateau phases. In this study, the process of amyloid fibril formation by lipase from Pseudomonas sp. after diluting out urea was examined by Thioflavin T (ThT) fluorescence, Congo red (CR) binding, 8-anilinonaphthalene-1-sulfonic acid (ANS) binding, dynamic light scattering (DLS), circular dichroism (CD) and Fourier transform infrared (FTIR) spectroscopies, X-ray diffraction (XRD) and transmission electron microscopy (TEM)...
March 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28298599/bushmeat-hunting-and-zoonotic-transmission-of-simian-t-lymphotropic-virus-1-in-tropical-west-and-central-africa
#15
Arsène Mossoun, Sébastien Calvignac-Spencer, Augustin E Anoh, Maude S Pauly, Daniel A Driscoll, Adam O Michel, Lavry Grah Nazaire, Stefan Pfister, Pascale Sabwe, Ulla Thiesen, Barbara R Vogler, Lidewij Wiersma, Jean-Jacques Muyembe-Tamfum, Stomy Karhemere, Chantal Akoua-Koffi, Emmanuel Couacy-Hymann, Barbara Fruth, Roman M Wittig, Fabian H Leendertz, Grit Schubert
Simian T-lymphotropic virus 1 (STLV-1) enters human populations through contact with non-human primate (NHP) bushmeat. We tested whether differences in the extent of contact to STLV-1 infected NHP bushmeat foster regional differences in prevalence of human HTLV-1. Using serological and PCR assays, we screened humans and NHP at two sub-Saharan African sites where subsistence hunting was expected to be less (Taï region, Côte d'Ivoire, CIV) or more developed (Bandundu region, Democratic Republic of the Congo, DRC)...
March 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28292764/adult-and-adolescent-livestock-productive-asset-transfer-programmes-to-improve-mental-health-economic-stability-and-family-and-community-relationships-in-rural-south-kivu-province-democratic-republic-of-congo-a-protocol-of-a-randomised-controlled-trial
#16
Anjalee Kohli, Nancy A Perrin, Mitima Mpanano Remy, Mirindi Bacikenge Alfred, Kajabika Binkurhorhwa Arsene, Mwinja Bufole Nadine, Banyewesize Jean Heri, Mitima Murhula Clovis, Nancy Glass
INTRODUCTION: People living in poverty have limited access to traditional financial institutions. Microfinance programmes are designed to meet this gap and show promise in improving income, economic productivity and health. Our Congolese-US community academic research partnership developed two livestock productive asset transfer programmes, Pigs for Peace (PFP) and Rabbits for Resilience (RFR), to address the interlinked health, social and economic well-being of individuals, their families and communities...
March 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/28291670/molecular-ticks-and-serological-humans-study-of-crimean-congo-hemorrhagic-fever-virus-in-the-iberian-peninsula-2013-2015
#17
Ana M Palomar, Aránzazu Portillo, Sonia Santibáñez, Lara García-Álvarez, Agustín Muñoz-Sanz, Francisco J Márquez, Lourdes Romero, José M Eiros, José A Oteo
INTRODUCTION: Crimean-Congo hemorrhagic fever (CCHF) is a viral disease, mainly transmitted through tick bite, of great importance in Public Health. In Spain, Crimean-Congo hemorrhagic fever virus (CCHFV) was detected for the first time in 2010 in Hyalomma lusitanicum ticks collected from deer in Cáceres. The aim of this study was to investigate the presence of CCHFV in ticks from Cáceres, and from other Spanish areas, and to evaluate the presence of antibodies against the virus in individuals exposed to tick bites...
March 10, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28290295/amino-acid-decarboxylase-dependent-acid-tolerance-selected-phenotypic-and-virulence-gene-expression-responses-of-salmonella-enterica-serovar-heidelberg
#18
Jiamei Liu, Ligong Zhai, Wenjun Lu, Zhaoxin Lu, Xiaomei Bie
Salmonella enterica serovar Heidelberg (S. Heidelberg) is one of the pathogens most frequently detected in recent years in food products from animals; here, we examine the acid tolerance of this strain. Mild acid (pH5.5-5.0) induced a strong acid resistance in S. Heidelberg; the induced acid resistance improved within 0.5-6h and resulted in >95% cell survival following challenge in pH3.0 medium. Addition of lysine or arginine to pH2.5 acid challenge medium significantly improved the survival of S. Heidelberg; lysine induced the largest increase in survival...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28286546/contraceptive-availability-leads-to-increase-in-use-in-conflict-affected-democratic-republic-of-the-congo-evidence-from-cross-sectional-cluster-surveys-facility-assessments-and-service-statistics
#19
Sara E Casey, Martin Tshipamba
BACKGROUND: Humanitarian assistance standards mandate specific attention to address the sexual and reproductive health (SRH) needs of conflict-affected populations. Despite these internationally recognised standards, access to SRH services is still often compromised in conflict settings. CARE in collaboration with the RAISE Initiative strengthened the Ministry of Health (MOH) to provide contraceptive services in Maniema province, Democratic Republic of the Congo. This study evaluated the effectiveness of this support for MOH health facility provision of contraception...
2017: Conflict and Health
https://www.readbyqxmd.com/read/28286143/detection-of-crimean-congo-hemorrhagic-fever-virus-specific-igg-antibodies-in-ruminants-residing-in-central-and-western-macedonia-greece
#20
Isolde Schuster, Serafeim C Chaintoutis, Chrysostomos I Dovas, Martin H Groschup, Marc Mertens
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne virus which causes lethal hemorrhagic fever in humans. Although, several reports regarding CCHFV antibody prevalence in humans exist in Greece, information about the current distribution is limited. The aim of the present study is to investigate the prevalence of CCHFV-specific IgG antibodies in cattle and sheep in Macedonia-Greece. The samplings were performed during spring 2013, in 5 regional units of Central Macedonia (Chalkidiki, Imathia, Kilkis, Pella and Thessaloniki) and in the 4 regional units of Western Macedonia (Grevena, Florina, Kastoria and Kozani)...
March 3, 2017: Ticks and Tick-borne Diseases
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