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https://www.readbyqxmd.com/read/27933553/spontaneous-honeybee-behaviour-is-altered-by-persistent-organic-pollutants
#1
Jade Drummond, Sally M Williamson, Ann E Fitchett, Geraldine A Wright, Sarah J Judge
The effect of environmental pollutants on honeybee behaviour has focused mainly on currently used pesticides. However, honeybees are also exposed to persistent organic pollutants (POPs). The aim of this laboratory based study was to determine if exposure to sublethal field-relevant concentrations of POPs altered the spontaneous behaviour of foraging-age worker honeybees. Honeybees (Apis mellifera) were orally exposed to either a sublethal concentration of the polychlorinated biphenyl (PCB) mixture Aroclor 1254 (100 ng/ml), the organochlorine insecticide lindane (2...
December 8, 2016: Ecotoxicology
https://www.readbyqxmd.com/read/27932442/contraceptive-sales-in-the-setting-of-the-zika-virus-epidemic
#2
Luis Bahamondes, Moazzam Ali, Ilza Monteiro, Arlete Fernandes
STUDY QUESTION: Has there been any influence of the Zika virus (ZIKV) outbreak on the sales of contraceptive methods in Brazil? SUMMARY ANSWER: Contraceptive sales in the 24 months of evaluation showed little variation and no significant change has been observed since the ZIKV outbreak. WHAT IS KNOWN ALREADY: Transmission of ZIKV is primarily by Aedes aegypti mosquitoes; however, sexual transmission has also been described. The association of several birth defects and the ZIKV infection during pregnancy has been established, and it was estimated in Bahia, Brazil that the infection rate could range from 10% to 80%...
December 7, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27930942/trocar-guided-trans-vaginal-mesh-surgery-for-pelvic-organ-prolapse-effects-on-urinary-continence-and-anatomical-and-functional-outcomes-a-prospective-observational-study
#3
F Natale, E Costantini, C La Penna, E Illiano, R Balsamo, A Carbone, M Cervigni
OBJECTIVE: Primary objective of this study was to assess the effects of trocar-guided transvaginal mesh surgery (TVM) on cure and prevention rates for incontinence, without concomitant surgery for Stress Urinary Incontinence (SUI). Our secondary objectives were anatomical outcomes, relief of symptoms and effect on quality of life (QoL). STUDY DESIGN: This prospective observational study evaluated women who underwent TVM for symptomatic stage >2 Pelvic Organ Prolapse (POP)...
November 9, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27928942/occurrence-of-polychlorinated-dibenzo-p-dioxins-pcdds-dibenzofurans-pcdfs-and-polychlorinated-biphenyls-pcbs-in-eggs-from-free-range-hens-in-campania-southern-italy-and-risk-evaluation
#4
Sara Lambiase, Francesco Paolo Serpe, Stefania Cavallo, Guido Rosato, Loredana Baldi, Bruno Neri, Mauro Esposito
Hens' eggs collected in home-producing farms located in different areas of the Campania region of southern Italy were analysed for six NDL-polychlorobiphenyls (PCB indicators), 17 polychlorodibenzo-p-dioxins (PCDDs) and polychlorodibenzofurans (PCDFs), and 12 congeners of dioxin-like PCBs (DL-PCBs). In the investigated area, waste from civil, industrial and hospital activities was illegally dumped and in many cases burned, so the area is called the 'Land of fire'. This illicit practice has been considered the main source of pollution in this territory and the cause of the persistent organic pollutants' (POPs) contamination in the neighbouring lands intended for agricultural use and livestock...
December 8, 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27924378/recurrence-risk-is-associated-with-preoperatively-advanced-prolapse-stage-is-there-a-difference-between-women-with-stage-2-and-those-with-stage-3-or-4-cystocele
#5
Tineke F M Vergeldt, Kim J B Notten, Kirsten B Kluivers, Mirjam Weemhoff
INTRODUCTION AND HYPOTHESIS: Pelvic organ prolapse (POP) recurrence after surgery is a major problem. POP that is more advanced preoperatively is associated with a higher risk of recurrence postoperatively. We hypothesized that women with a stage 2 cystocele differ from those with a stage 3 or 4 cystocele. The aim of this study was to compare the baseline characteristics of women with mild and those with more advanced cystocele. METHODS: Patients had participated in one of two multicenter prospective cohort studies on women undergoing conventional anterior colporrhaphy without previous POP surgery...
December 6, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/27924376/predicting-levator-avulsion-from-ics-pop-q-findings
#6
Alejandro Pattillo Garnham, Rodrigo Guzmán Rojas, Ka Lai Shek, Hans Peter Dietz
INTRODUCTION AND HYPOTHESIS: Levator avulsion is a common consequence of vaginal childbirth. It is associated with symptomatic female pelvic organ prolapse and is also a predictor of recurrence after surgical correction. Skills and hardware necessary for diagnosis by imaging are, however, not universally available. Diagnosis of avulsion may benefit from an elevated index of suspicion. The aim of this study was to examine the predictive value of the International Continence Society Pelvic Organ Prolapse Quantification (ICS POP-Q) for the diagnosis of levator avulsion by tomographic 4D translabial ultrasound...
December 6, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/27924283/effects-of-the-dietary-detoxification-program-on-serum-%C3%AE-glutamyltransferase-anthropometric-data-and-metabolic-biomarkers-in-adults
#7
Ju Ah Kim, Jin Young Kim, Seung Wan Kang
BACKGROUND: Persistent Organic Pollutants (POPs) are well-known environmental contaminants which are associated with chronic diseases. As foods are the major sources of human exposure to toxic pollutants, we developed an integrated dietary and education program to eliminate the chemical toxin throughout the human body. The present study evaluated effects of the dietary detoxification program on serum γ-glutamyltransferase (GGT), anthropometric data and metabolic biomarkers in adults...
September 2016: Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/27923777/parent-and-clinician-preferences-for-an-asthma-app-to-promote-adolescent-self-management-a-formative-study
#8
Lorie L Geryk, Courtney A Roberts, Adam J Sage, Tamera Coyne-Beasley, Betsy L Sleath, Delesha M Carpenter
BACKGROUND: Most youth asthma apps are not designed with parent and clinician use in mind, and rarely is the app development process informed by parent or clinician input. OBJECTIVE: This study was conducted to generate formative data on the use, attitudes, and preferences for asthma mHealth app features among parents and clinicians, the important stakeholders who support adolescents with asthma and promote adolescent self-management skills. METHODS: We conducted a mixed-methods study from 2013 to 2014 employing a user-centered design philosophy to acquire feedback from a convenience sample of 20 parents and 6 clinicians...
December 6, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27919535/occurrences-composition-profiles-and-source-identifications-of-polycyclic-aromatic-hydrocarbons-pahs-polybrominated-diphenyl-ethers-pbdes-and-polychlorinated-biphenyls-pcbs-in-ship-ballast-sediments
#9
Peng-Hao Su, Bao-Yi Lv, Gregg T Tomy, Jin-Xiang Xu, Wen Tian, Chun-Yan Hou, Fang Yin, Yi-Fan Li, Dao-Lun Feng
The aim of this study was to investigate the levels of persistent organic pollutants (POPs) including polycyclic aromatic hydrocarbons (PAHs), polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) in ship ballast sediments. The ballast sediment samples were collected from six merchant ships docked in 2015 in Jiangyin City, China. Ballast sediments represent a potential vector for the transport of POPs and invasive species between marine environments. An attempt was also made to determine the sources of these compounds in the ballast sediment...
December 2, 2016: Chemosphere
https://www.readbyqxmd.com/read/27917476/pop-up-satellite-archival-tag-effects-on-the-diving-behaviour-growth-and-survival-of-adult-atlantic-salmon-salmo-salar-at-sea
#10
R D Hedger, A H Rikardsen, E B Thorstad
The effects of large, externally attached pop-up satellite archival tags (PSATs) were compared with those of small implanted data storage tags (DSTs) on adult Atlantic salmon Salmo salar during their ocean migration in regards to depth utilization, diving depth, diving rate, diving speed and temperatures experienced. Additionally the return rate and growth of individuals tagged with PSATs was compared with those of small acoustic tags and DSTs. Overall, the depth distribution of individuals tagged with PSATs was similar to that of those tagged with DSTs, reflecting the pelagic nature of S...
December 4, 2016: Journal of Fish Biology
https://www.readbyqxmd.com/read/27913711/breadmaking-performance-and-textural-changes-during-storage-of-composite-breads-made-from-spelt-wheat-and-different-forms-of-amaranth-grain
#11
Bojana Filipčev, Marija Bodroža-Solarov, Mladenka Pestorić, Olivera Šimurina
The objectives of the present study were to assess the baking properties of composite spelt wheat-amaranth blends and to study the staling of composite breads during a six-day storage. Different forms of amaranth grains were added to spelt bread formulation: native amaranth flour and flour from popped amaranth, including their scalded and non-scalded variants. Native amaranth flour (both scalded and non-scalded) gave loaves with the highest volume and contributed to significantly softer crumb but not in comparison to the control bread...
December 2, 2016: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/27913043/evaluation-of-the-genexpert-mtb-rif-assay-on-extrapulmonary-and-respiratory-samples-other-than%C3%A2-sputum-a-low-burden-country-experience
#12
Sushil Pandey, Jacob Congdon, Bradley McInnes, Alina Pop, Christopher Coulter
The aim of this study was to assess the performance of the GeneXpert MTB/RIF assay on extrapulmonary (EP) and respiratory (non-sputum) clinical samples of patients suspected of having tuberculosis (TB) from Queensland, Australia. A total of 269 EP and respiratory (non-sputum) clinical samples collected from Qld patients who were suspected of having TB were subjected to the GeneXpert MTB/RIF analysis, Ziehl-Neelsen (ZN) staining, Mycobacterium tuberculosis (MTB) culture and drug susceptibility testing. Phenotypic and genotypic data were compared...
November 29, 2016: Pathology
https://www.readbyqxmd.com/read/27912912/passive-air-sampling-of-persistent-organic-pollutants-pops-and-emerging-compounds-in-kolkata-megacity-and-rural-mangrove-wetland-sundarban-in-india-an-approach-to-regional-monitoring
#13
Karla Pozo, Santosh Kumar Sarkar, Victor H Estellano, Soumita Mitra, Ondrej Audi, Petr Kukucka, Petra Přibylová, Jana Klánová, Simonetta Corsolini
Polyurethane foam (PUF) disk passive air samplers were deployed concurrently at five sites across Kolkata megacity and the rural mangrove wetland of Sundarban (UNESCO World Heritage Site) between January-March in 2014. Samples were analyzed for hexachlorocyclohexanes (HCHs), dichlorodiphenyltricholoroethanes (DDTs), polychlorinated biphenyls (PCBs) and, polybrominated diphenyl ethers (PBDEs) using gas chromatography and mass spectrometry (GC-MS). Derived air concentrations (pg/m(3)) for Kolkata ranged: for ∑α- and γ-HCH between 70 and 207 (114 ± 62), ∑6DDTs: 127-216 (161 ± 36), ∑7PCBs: 53-213 (141 ± 64), and ∑10PBDEs: 0...
November 29, 2016: Chemosphere
https://www.readbyqxmd.com/read/27911986/persistent-organic-pollutants-in-adipose-tissue-should-be-considered-in-obesity-research
#14
Y-M Lee, K-S Kim, D R Jacobs, D-H Lee
Although low doses of persistent organic pollutants (POPs), strong lipophilic chemicals with long half-lives, have been linked to various endocrine, immune, nervous and reproductive system diseases, few obesity studies have considered adipose tissue as an important POPs exposure source. Because the toxicodynamics of POPs relate directly to the dynamics of adiposity, POPs might explain puzzling findings in obesity research. In two people exposed to the same amounts of environmental POPs, the one having more adipose tissue may be advantaged because POPs storage in adipose tissue can reduce burden on other critical organs...
December 2, 2016: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27911372/quantitative-hardness-measurement-by-instrumented-afm-indentation
#15
Arnaud Caron
In this work, a combination of amplitude-modulated non-contact atomic force microscopy and atomic force spectroscopy is applied for instrumented hardness measurements on an Au(111) surface with atomistic resolution of single plasticity events. A careful experimental procedure is described that includes the force sensor selection, its calibration, the calibration of the cantilever deflection detection system, and the minimization of instrumental drift for accurate and reproducible force-distance measurements...
November 22, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909471/contact-force-and-atrial-fibrillation-ablation
#16
REVIEW
Ullah W, Schilling Rj, Wong T
Catheters able to measure the force and vector of contact between the catheter tip and myocardium are now available. Pre-clinical work has established that the degree of contact between the radiofrequency ablation catheter and myocardium correlates with the size of the delivered lesion. Excess contact is associated with steam pops and perforation. Catheter contact varies within the left atrium secondary to factors including respiration, location, atrial rhythm and the trans-septal catheter delivery technology used...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908622/biomonitoring-of-persistent-organic-pollutants-pops-in-child-populations-living-near-contaminated-sites-in-mexico
#17
R Flores-Ramírez, F J Pérez-Vázquez, M Rodríguez-Aguilar, S E Medellín-Garibay, E Van Brussel, A C Cubillas-Tejeda, L Carrizales-Yáñez, F Díaz-Barriga
The aim of this study was to conduct a POP biomonitoring programme for children in high-risk areas. We evaluated 247 serum samples from children between the ages of 6 and 12years old from two zones in Mexico: (1) indigenous zones, which included Cuatlamayan (CUA), Tocoy (TOC), and Santa Maria Picula (SAM); and (2) industrial zones, which included Tercera Chica (TC), Industrial San Luis (IND) and Rincon de San Jose (SJR); Mundo Nuevo (MN); and Alpuyeca (ALP). Our results showed that α-endosulfan was similar to CUA, TOC, SAM, TC and MN (178...
November 28, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27904751/association-of-serum-concentrations-of-persistent-organic-pollutants-pops-and-risk-of-pre-eclampsia-a-case-control-study
#18
Bita Eslami, Hossein Malekafzali, Noushin Rastkari, Batool Hossein Rashidi, Abolghasem Djazayeri, Kazem Naddafi
BACKGROUND: There is increasing evidence that persistent organic pollutants (POPs) may contribute to pre-eclampsia. The objective of this study was to evaluate the association between Polychlorinated Biphenyls (PCBs) and Polybrominated Diphenyl Ethers (PBDEs) as POPs with pre-eclampsia. METHODS: This case-control study was performed in the three general university hospitals of Tehran University of Medical Sciences. Serum samples were collected from cases (n = 45) who had diagnosed with preeclampsia and from control samples (n = 70) with normal pregnancy and attended the same hospital for a routine prenatal visit at the third trimester of pregnancy...
2016: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/27902825/association-between-the-amount-of-vaginal-mesh-used-with-mesh-erosions-and-repeated-surgery-after-repairing-pelvic-organ-prolapse-and-stress-urinary-incontinence
#19
Bilal Chughtai, Matthew D Barber, Jialin Mao, James C Forde, Sharon-Lise T Normand, Art Sedrakyan
Importance: Mesh, a synthetic graft, has been used in pelvic organ prolapse (POP) repair and stress urinary incontinence (SUI) to augment and strengthen weakened tissue. Polypropylene mesh has come under scrutiny by the US Food and Drug Administration. Objective: To examine the rates of mesh complications and invasive reintervention after the placement of vaginal mesh for POP repair or SUI surgery. Design, Setting, and Participants: This investigation was an observational cohort study at inpatient and ambulatory surgery settings in New York State...
November 30, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27901397/a-systems-toxicology-approach-reveals-the-wnt-mapk-crosstalk-pathway-mediated-reproductive-failure-in-caenorhabditis-elegans-exposed-to-graphene-oxide-go-but-not-to-reduced-graphene-oxide-rgo
#20
Nivedita Chatterjee, Young-Ho Kim, Jisu Yang, Carlos P Roca, Sang Woo Joo, Jinhee Choi
The potential hazards of graphene nanomaterials were investigated by exposing the nematode Caenorhabditis elegans to graphene oxide (GO) and reduced graphene oxide (rGO). The underlying mechanisms of the nano-bio interaction were addressed with an integrated systems toxicology approach using global transcriptomics, network-based pathway analysis, and experimental validation of the in-silico-derived hypotheses. Graphene oxide was found to reduce the worms' reproductive health to a greater degree than rGO, but it did not affect survival (24 h endpoint)...
November 30, 2016: Nanotoxicology
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