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S Papamarkou, D Christopoulos, P E Tsakiridis, G Bartzas, K Tsakalakis
The present investigation focuses on the utilization of medical wastes incineration bottom ash (MBA), vitrified with soda lime recycled glass (SLRG), as an alternative raw material in cement clinkerization. Bottom ash is recovered from the bottom of the medical wastes incineration chamber, after being cooled down through quenching. It corresponds to 10-15 wt% of the initial medical wastes weight and since it has been classified in the category of hazardous wastes, its safe management has become a major environmental concern worldwide...
April 19, 2018: Science of the Total Environment
Margaret A Judd, Jessica L Walker, Alicia Ventresca Miller, Dmitry Razhev, Andrey V Epimakhov, Bryan K Hanks
OBJECTIVES: We tested the hypothesis that the purported unstable climate in the South Urals region during the Middle Bronze Age (MBA) resulted in health instability and social stress as evidenced by skeletal response. METHODS: The skeletal sample (n = 99) derived from Kamennyi Ambar 5 (KA-5), a MBA kurgan cemetery (2040-1730 cal. BCE, 2 sigma) associated with the Sintashta culture. Skeletal stress indicators assessed included cribra orbitalia, porotic hyperostosis, dental enamel hypoplasia, and tibia periosteal new bone growth...
April 19, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
Euzebus Chinonye Ezugwu, George U Eleje, Chukwuemeka A Iyoke, Sunday G Mba, Henry C Nnaji, Chukwunonso I Enechukwu, Peter O Nkwo
Objective: Anonymous sperm donation is a common practice in Nigeria with its associated legal and ethical challenges. This study aimed to investigate infertile couples' opinions about issues of sperm donor anonymity and to determine factors that might influence their preferences. Methods: A cross-sectional, multicentered, questionnaire-based study was conducted among infertile couples attending infertility clinics in three tertiary hospitals in the south-eastern region of Nigeria over a period of 6 months...
2018: Patient Preference and Adherence
Heidi Krantz, Barbara Strain, Jane Torzewski
Heidi A. Krantz, RN, BSN is the Director of Value Analysis at Johns Hopkins Bayview Medical Center in the Johns Hopkins Health System. Barbara Strain, MA, CVAHP is the Director of Value Management at the University of Virginia Health System. Jane Torzewski RN, MAN, MBA is a Senior Category Manager for the Mayo Clinic Physician Preference Contracting team. She previously was a Senior Clinical Value Analyst on the Mayo Clinic Value Analysis team.
September 2017: Surgery
Jean Marie Eko Mba, Cyrille Bisseye, Jophrette Mireille Ntsame Ndong, Landry Erik Mombo, Calixte Bengone, Guy Mouelet Migolet, Bertrand M'batchi, Heidi E Kosiorek, Richard J Butterfield, Lewis R Roberts, Mitesh J Borad, Bolni Marius Nagalo
Despite chronic Hepatitis B virus (HBV) infection being the main cause of younger-onset complex liver disease including cirrhosis and hepatocellular carcinoma (HCC) in Africa, very little is known regarding the seroprevalence of HBV in the Gabonese general population. This investigation aimed to provide strong epidemiological data and risk factors associated with HBV infection in first-time blood donors representative of the urban adult population. The screening of HBsAg was carried out using 4th generation ELISA kits...
2018: PloS One
R S Prosser, P L Gillis, D Milani, E A M Holman, H Ikert, D Schissler, J Toito, V Palabrica, J L Parrott, A J Bartlett, V K Balakrishnan
Substituted phenylamine antioxidants (SPAs) are additives in a variety of commercial polymers (e.g., lubricants, plastics, etc.). Based on their physicochemical properties, if SPAs were to enter an aquatic system, they would likely partition into sediment and have the capacity to bioaccumulate in biota. This study investigated the potential of four sediment-associated SPAs, diphenylamine (DPA), N-phenyl-1-naphthalene (PNA), N-(1,3-dimethylbutyl)-N'-phenyl-1,4-phenylenediamine (DPPDA), and 4,4'-methylene-bis[N-sec-butylaniline] (MBA) to accumulate in the tissues of freshwater mussels (Lampsilis siliquoidea) and oligochaete worms (Tubifex tubifex)...
April 11, 2018: Ecotoxicology
Serge Alain Sadeuh-Mba, Gide Martial Yonga Wansi, Maurice Demanou, Antoine Gessain, Richard Njouom
BACKGROUND: Rift Valley Fever Phlebovirus (RVFV) and Crimean-Congo Hemorrhagic Fever Orthonairovirus (CCHFV) specific antibodies had been documented among humans in urban settings of the southwestern and northern Cameroon in the late 1980s. Recently, evidence for enzootic circulation of RVFV was reported among livestock in both rural and urban settings in Cameroon. However, current estimates of human exposure to RVFV and CCHFV are still to be documented in Cameroon, especially in rural areas...
April 6, 2018: Virology Journal
Rex D Archer, Abby Edsall
From the Field is a semi-regular column that explores what it means to be a local health professional on the front lines of an emergency. Typically, National Association of County and City Health Officials (NACCHO) members share their stories of preparing for and responding to disasters, epidemics, and other major health issues. Through exploring the analysis of the challenges faced and the solutions developed, readers can learn how these public health champions keep their communities safe even in extreme situations...
March 2018: Health Security
Adesola Yinka-Ogunleye, Olusola Aruna, Dimie Ogoina, Neni Aworabhi, Womi Eteng, Sikiru Badaru, Amina Mohammed, Jeremiah Agenyi, E N Etebu, Tamuno-Wari Numbere, Adolphe Ndoreraho, Eduard Nkunzimana, Yahyah Disu, Mahmood Dalhat, Patrick Nguku, Abdulaziz Mohammed, Muhammad Saleh, Andrea McCollum, Kimberly Wilkins, Ousmane Faye, Amadou Sall, Christian Happi, Nwando Mba, Olubumi Ojo, Chikwe Ihekweazu
In Nigeria, before 2017 the most recent case of human monkeypox had been reported in 1978. By mid-November 2017, a large outbreak caused by the West African clade resulted in 146 suspected cases and 42 laboratory-confirmed cases from 14 states. Although the source is unknown, multiple sources are suspected.
June 17, 2018: Emerging Infectious Diseases
William J Anderson, Kamila Nowinska, Tanya Hutter, Sumeet Mahajan, Martin Fischlechner
Surface-enhanced Raman spectroscopy (SERS) is well known for its high sensitivity that emerges due to the plasmonic enhancement of electric fields typically on gold and silver nanostructures. However, difficulties associated with the preparation of nanostructured substrates with uniform and reproducible features limit reliability and quantitation using SERS measurements. In this work we use layer-by-layer (LbL) self-assembly to incorporate multiple functional building blocks of collaborative assemblies of nanoparticles on colloidal spheres to fabricate SERS sensors...
April 4, 2018: Nanoscale
Xianming Kong, Qian Yu, Erwen Li, Rui Wang, Qing Liu, Alan X Wang
Diatomaceous earth-otherwise called diatomite-is essentially composed of hydrated biosilica with periodic nanopores. Diatomite is derived from fossilized remains of diatom frustules and possesses photonic-crystal features. In this paper, diatomite simultaneously functions as the matrix of the chromatography plate and the substrate for surface-enhanced Raman scattering (SERS), by which the photonic crystal-features could enhance the optical field intensity. The on-chip separation performance of the device was confirmed by separating and detecting industrial dye (Sudan I) in an artificial aqueous mixture containing 4-mercaptobenzoic acid (MBA), where concentrated plasmonic Au colloid was casted onto the analyte spot for SERS measurement...
March 31, 2018: Materials
(no author information available yet)
Wendy Furness is a partner at Scarsdale Vets in Derby. With an increasing role in the management of the practice, she completed an Executive MBA, combining studying with her work as an equine vet.
March 31, 2018: Veterinary Record
Xiaojia Huang, Xiangyu Zhu, Miao Pei
Boron-nitrogen coordination is a useful interaction for use in the extraction of amino-nitrogen-containing compounds. A new monolithic adsorbent is described here that consisted of poly(acrylamidophenyl boronic acid/vinyl-3-octylimidazolium tetrafluroborate-co-divinylbenzene/ethylene dimethacrylate) polymer. It was synthesized with the aim to obtain a new kind of extraction phase for multiple monolith based fiber solid-phase microextraction of sulfonylurea herbicides. Results indicate that boron-nitrogen coordination interaction plays a key role in the efficient extraction...
March 16, 2018: Mikrochimica Acta
Delynn M Moss, Sukwan Handali, Anna N Chard, Victoria Trinies, Stevan Bullard, Ryan E Wiegand, Seydou Doumbia, Matthew C Freeman, Patrick J Lammie
Blood samples from 805 students attending 42 elementary schools in Mopti, Sikasso, and Koulikoro regions, and Bamako district in Mali participated in a school water, sanitation, and hygiene intervention. Immunoglobulin (Ig) G responses to several antigens/pathogens were assessed by a multiplex bead assay (MBA), and the recombinant Taenia solium T24H antigen was included. Of all students tested, 8.0% were positive to rT24H, but in some schools 25-30%. A cluster of 12 widespread school locations showed not only a relative risk of 3...
March 26, 2018: American Journal of Tropical Medicine and Hygiene
Paul Alain Tagnouokam Ngoupo, Serge Alain Sadeuh-Mba, Fabienne De Oliveira, Elodie Téclaire Ngo-Malabo, Laure Ngono, Jean-Christophe Plantier, Anfumbom Kfutwah, Richard Njouom
HIV-1 group N (HIV-1/N) remains rare and mainly restricted to Cameroon. Here, we report a new HIV-1/N infected case identified during routine HIV screening activities in Yaounde. The genetic characterization of the near full length genome of this virus strain revealed that it is genetically distinct to all HIV-1/N described to date. However, the Vpu protein responsible for theterin antagonism, displayed the same amino acid substitutions (E15A, V19A, I25L and V26L) as other HIV-1/N from Cameroon.
March 25, 2018: AIDS Research and Human Retroviruses
Yang Wang, Qingyu Ruan, Zhi-Chao Lei, Shui-Chao Lin, Zhi Zhu, Leiji Zhou, Chaoyong James Yang
Digital microfluidics (DMF) is a powerful platform for a broad range of applications, especially immunoassays having multiple steps, due to the advantages of low reagent consumption and high automatization. Surface Enhanced Raman Scattering (SERS) has been proven as an attractive method for highly sensitive and multiplex detection, because of its remarkable signal amplification and excellent spatial resolution. Here we propose a SERS-based immunoassay with DMF for rapid, automated and sensitive detection of disease biomarkers...
March 23, 2018: Analytical Chemistry
Maria Dolores Fernandez-Garcia, Romain Volle, Marie-Line Joffret, Serge Alain Sadeuh-Mba, Ionela Gouandjika-Vasilache, Ousmane Kebe, Michael R Wiley, Manasi Majumdar, Etienne Simon-Loriere, Anavaj Sakuntabhai, Gustavo Palacios, Javier Martin, Francis Delpeyroux, Kader Ndiaye, Maël Bessaud
We analyzed whole-genome sequences of 8 enterovirus A71 isolates (EV-A71). We confirm the circulation of genogroup C and the new genogroup E in West Africa. Our analysis demonstrates wide geographic circulation and describes genetic exchanges between EV-A71 and autochthonous EV-A that might contribute to the emergence of pathogenic lineages.
April 2018: Emerging Infectious Diseases
Barbara A Danek, Aris Karatasakis, Judit Karacsonyi, Bavana V Rangan, Shuaib Abdullah, Paul Sorajja, Subhash Banerjee, Emmanouil S Brilakis
The role of women and foreign medical graduates in cardiology research published in the United States has received limited study. We examined the characteristics of the first and last authors of all original contributions and review articles published in the Journal of the American College of Cardiology from October 1, 2015 to October 1, 2016. A total of 345 articles were identified, with 687 first and last authors originating from ≥50 different countries. Overall 17% of authors were women (20% of first and 14% of last authors)...
March 15, 2018: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
Hamad S AlRumaih, Abdulaziz AlHelal, Nadim Z Baba, Charles J Goodacre, Ali Al-Qahtani
STATEMENT OF PROBLEM: Clinical studies have identified advantages of digital complete denture technology including patient satisfaction, improved mastication, increased retention, and technique efficiency. However, studies that focusing on the effect of denture adhesive on the retention of milled and heat-activated denture bases are lacking. PURPOSE: The purpose of this clinical study was to evaluate the effectiveness of denture adhesive on the retention of milled and heat-activated denture bases...
March 15, 2018: Journal of Prosthetic Dentistry
George Grunberger, Yehuda Handelsman, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, Richard A Haas, Victor L Roberts, Guillermo E Umpierrez
This document represents the official position of the American Association of Clinical Endocrinologists and American College of Endocrinology. Where there are no randomized controlled trials or specific U.S. FDA labeling for issues in clinical practice, the participating clinical experts utilized their judgment and experience. Every effort was made to achieve consensus among the committee members. Position statements are meant to provide guidance, but they are not to be considered prescriptive for any individual patient and cannot replace the judgment of a clinician...
March 2018: Endocrine Practice
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