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https://www.readbyqxmd.com/read/28110496/heterogenic-response-of-prokaryotes-toward-silver-nanoparticles-and-ions-is-facilitated-by-phenotypes-and-attachment-of-silver-aggregates-to-cell-surfaces
#1
Yuting Guo, Hans J Stärk, Gerd Hause, Matthias Schmidt, Hauke Harms, Lukas Y Wick, Susann Müller
Tons of anthropogenic silver nanoparticles (AgNPs) are assumed to be released into the environment due to their use in many consumer products. AgNPs are known to be toxic toward microorganisms and thus may harm their specific functions in ecosystems. Here we explore the impact of AgNPs on functioning of single cells in microbial populations at doses typically found in anthropogenic environments. The response of single cells to AgNPs was analyzed by flow cytometry and using the fluorescent dyes propidium iodide and DiBAC4 (3) as markers for cell membrane disintegration and depolarization, respectively...
January 22, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28110419/patients-trust-in-physician-patient-enablement-and-health-related-quality-of-life-during-colon-cancer-treatment
#2
Nicole Ernstmann, Markus Wirtz, Anika Nitzsche, Sophie E Gross, Lena Ansmann, Tristan D Gloede, Julia Jung, Holger Pfaff, Walter Baumann, Stephan Schmitz, Melanie Neumann
In cancer care, where patients and their families experience significant emotional distress and patients have to deal with complex medical information, patient centeredness is an important aspect of quality of care. The aim of this study is to examine the impact of patients' trust in their oncologists and patients' enablement on changes in health-related quality of life of colon cancer patients during follow-up care. We conducted a prospective study in a representative sample of private practices of German oncologists (N = 44)...
January 21, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28110224/emotional-intelligence-and-coping-strategies-as-determinants-of-quality-of-life-in-depressed-patient-caregiver-dyads-an-actor-partner-interdependence-analysis
#3
L Boyer, K Baumstarck, M Alessandrini, Z Hamidou, J Testart, M Serres, P Arquillière, P Auquier, T Leroy, X Zendjidjian
OBJECTIVE: Patients with major depressive disorder (MDD) and their natural caregivers experience major lifestyle difficulties. Little is known concerning dyadic (i.e., patient and natural caregiver) characteristics' impact on quality of life. In a sample of depressed patient-caregiver dyads, we examined quality of life (QoL) levels compared with the general population and whether QoL is influenced by emotional intelligence (EI) and coping strategies using the actor-partner interdependence model (APIM)...
January 8, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28110162/pregnancy-with-gestational-hypertension-or-preeclampsia-a-qualitative-exploration-of-women-s-experiences
#4
Lynne M Roberts, Gregory K Davis, Caroline S E Homer
BACKGROUND: Hypertension complicates 10% of pregnancies and involves specialised care of the woman and her baby, a longer stay in hospital, and an increased risk of physical and mental morbidity. There is limited research reporting the woman's perspective on her experience, how she coped with it psychologically, and whether the care she received influenced her experience. AIM: To gain insight into women's experience of hypertension in pregnancy and to report on what mediating factors may help improve their experience...
January 10, 2017: Midwifery
https://www.readbyqxmd.com/read/28110148/ciprofloxacin-induces-oxidative-stress-in-duckweed-lemna-minor-l-implications-for-energy-metabolism-and-antibiotic-uptake-ability
#5
Marcelo Pedrosa Gomes, Cíntia Almeida Gonçalves, Júlio César Moreira de Brito, Amanda Miranda Souza, Fernanda Vieira da Silva Cruz, Elisa Monteze Bicalho, Cleber Cunha Figueredo, Queila Souza Garcia
We investigate the physiological responses and antibiotic-uptake capacity of Lemna minor exposed to ciprofloxacin. Ciprofloxacin (Cipro) induced toxic effects and hormesis in plants by significantly modifying photosynthesis and respiration pathways. A toxic effect was induced by a concentration ≥1.05mg ciprofloxacin l(-1) while hormesis occurs at the lowest concentration studied (0.75mg ciprofloxacin l(-1)). By impairing normal electron flow in the respiratory electron transport chain, ciprofloxacin induces hydrogen peroxide (H2O2) production...
January 5, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28110113/a-photo-voice-perspective-on-factors-contributing-to-the-resilience-of-hiv-positive-yoruba-adolescent-girls-in-nigeria
#6
Catherine O Adegoke, Miemsie G Steyn
There is a growing discourse worldwide on the impact of the Human Immunodeficiency Virus (HIV) on "at risk youths". In response, five HIV-positive Nigerian adolescent girls were qualitatively investigated in collaboration with a non-governmental organisation (NGO) in Ibadan, an urban settlement in Nigeria in 2013. Using a secondary data analysis from a photo voice component of the research, combined with narratives, we show that participants possess the capacity to overcome their adversities from the effects of HIV infection and remain resilient...
January 18, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28109623/first-childbirth-experience-of-international-marriage-migrant-women-in-south-korea
#7
Min Sun Chu, Minna Park, Jung A Kim
PROBLEM AND BACKGROUND: Since the mid-1990s, a large number of foreign women have migrated from developing countries to South Korea by means of international marriages. These nulliparous foreign women may experience more difficulties in pregnancy and childbirth than native Koreans. AIM: This study aimed to describe the meaning of the first childbirth experiences of international marriage migrant women marrying Korean men in South Korea. METHODS: This is a descriptive phenomenological study that included 10 participants using the purposive and snowball sampling in one multicultural support center in Seoul, South Korea...
January 18, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28109597/weather-influences-feed-intake-and-feed-efficiency-in-a-temperate-climate
#8
Davina L Hill, Eileen Wall
A key goal for livestock science is to ensure that food production meets the needs of an increasing global population. Climate change may heighten this challenge through increases in mean temperatures and in the intensity, duration, and spatial distribution of extreme weather events, such as heat waves. Under high ambient temperatures, livestock are expected to decrease dry matter intake (DMI) to reduce their metabolic heat production. High yielding dairy cows require high DMI to support their levels of milk production, but this may increase susceptibility to heat stress...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109305/medical-pluralism-and-livestock-health-ethnomedical-and-biomedical-veterinary-knowledge-among-east-african-agropastoralists
#9
Mark A Caudell, Marsha B Quinlan, Robert J Quinlan, Douglas R Call
BACKGROUND: Human and animal health are deeply intertwined in livestock dependent areas. Livestock health contributes to food security and can influence human health through the transmission of zoonotic diseases. In low-income countries diagnosis and treatment of livestock diseases is often carried out by household members who draw upon both ethnoveterinary medicine (EVM) and contemporary veterinary biomedicine (VB). Expertise in these knowledge bases, along with their coexistence, informs treatment and thus ultimately impacts animal and human health...
January 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28108324/the-circle-nephrostomy-tube-an-attractive-nephrostomy-drainage-system-following-complex-percutaneous-nephrolithotomy
#10
Marawan M El Tayeb, Michael S Borofsky, James E Lingeman
OBJECTIVE: To describe our experience with the circle NT (Cook® Medical), a drainage system uniquely designed for use after multiple access PNL. MATERIALS AND METHODS: A retrospective review of 1317 consecutive patients undergoing 1599 PNLs at IU Health Methodist Hospital was performed. All multiple access cases utilizing circle NTs were reviewed and analyzed. The method of insertion of circle NT is demonstrated. RESULTS: A total of 1843 accesses were obtained in 1599 renal units RUs: 380 upper, 129 mid, and 1334 lower...
January 17, 2017: Urology
https://www.readbyqxmd.com/read/28107523/look-into-the-hiv-epidemic-of-gay-community-with-a-socio-cultural-perspective-a-qualitative-study-in-china-2015-2016
#11
Huijing He, Fan Lv, Nanci Nanyi Zhang, Zunyou Wu, Qinghua Liao, Zhanjun Chang, Yi Li, Huifang Xu, Lin OuYang, Xiping Huan, Juan Yang
BACKGROUND: Current Chinese studies continue to view male homosexuality through a disease focused lens which pays limited attention to socio-cultural aspects of sexual behavior and HIV transmission. This qualitative study aimed to investigate how socio-cultural factors influence gay men's sexual beliefs and behaviors in contemporary China, and their implications for HIV epidemic. METHODS AND FINDINGS: Qualitative methodology was used in this study. During 2015-2016, in-depth interviews were conducted with 61 self identified gay men in Jiangxi, Henan, Heilongjiang, Guangdong, Jiangsu provinces and Chongqing municipality of China...
2017: PloS One
https://www.readbyqxmd.com/read/28107477/effects-of-ambient-environmental-factors-on-the-stereotypic-behaviors-of-giant-pandas-ailuropoda-melanoleuca
#12
He Liu, Hejun Duan, Cheng Wang
Stereotypies are commonly observed in zoo animals, and it is necessary to better understand whether ambient environmental factors contribute to stereotypy and how to affect animal welfare in zoo settings. This study investigated the relationships between stereotypic behaviors and environmental factors including ambient temperatures, humidity, light intensity, sound intensity and number of visitors. Seven giant pandas were observed in three indoor enclosures and three outdoor enclosures. Environmental factors were measured for both indoor and outdoor enclosures and the effect they had on stereotypical behaviors was investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28107352/coping-well-with-advanced-cancer-a-serial-qualitative-interview-study-with-patients-and-family-carers
#13
Catherine Walshe, Diane Roberts, Lynda Appleton, Lynn Calman, Paul Large, Mari Lloyd-Williams, Gunn Grande
OBJECTIVES: To understand successful strategies used by people to cope well when living with advanced cancer; to explore how professionals can support effective coping strategies; to understand how to support development of effective coping strategies for patients and family carers. DESIGN: Qualitative serial (4-12 week intervals) interview study with people with advanced cancer and their informal carers followed by focus groups. The iterative design had a novel focus on positive coping strategies...
2017: PloS One
https://www.readbyqxmd.com/read/28107190/radiosynthesis-and-validation-of-%C3%A2-18f-3-fluoro-2-hydroxypropionate-18f-flac-as-a-pet-tracer-of-lactate-to-monitor-mct1-dependent-lactate-uptake-in-tumors
#14
Vincent F Van Hée, Daniel Labar, Gwenaël Dehon, Debora Grasso, Vincent Grégoire, Giulio G Muccioli, Raphaël Frédérick, Pierre Sonveaux
Cancers develop metabolic strategies to cope with their microenvironment often characterized by hypoxia, limited nutrient bioavailability and exposure to anticancer treatments. Among these strategies, the metabolic symbiosis based on the exchange of lactate between hypoxic/glycolytic cancer cells that convert glucose to lactate and oxidative cancer cells that preferentially use lactate as an oxidative fuel optimizes the bioavailability of glucose to hypoxic cancer cells. This metabolic cooperation has been described in various human cancers and can provide resistance to anti-angiogenic therapies...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106881/phylogenomics-of-rhodobacteraceae-reveals-evolutionary-adaptation-to-marine-and-non-marine-habitats
#15
Meinhard Simon, Carmen Scheuner, Jan P Meier-Kolthoff, Thorsten Brinkhoff, Irene Wagner-Döbler, Marcus Ulbrich, Hans-Peter Klenk, Dietmar Schomburg, Jörn Petersen, Markus Göker
Marine Rhodobacteraceae (Alphaproteobacteria) are key players of biogeochemical cycling, comprise up to 30% of bacterial communities in pelagic environments and are often mutualists of eukaryotes. As 'Roseobacter clade', these 'roseobacters' are assumed to be monophyletic, but non-marine Rhodobacteraceae have not yet been included in phylogenomic analyses. Therefore, we analysed 106 genome sequences, particularly emphasizing gene sampling and its effect on phylogenetic stability, and investigated relationships between marine versus non-marine habitat, evolutionary origin and genomic adaptations...
January 20, 2017: ISME Journal
https://www.readbyqxmd.com/read/28106793/hybrid-intelligent-system-to-perform-fault-detection-on-bis-sensor-during-surgeries
#16
José-Luis Casteleiro-Roca, José Luis Calvo-Rolle, Juan Albino Méndez Pérez, Nieves Roqueñí Gutiérrez, Francisco Javier de Cos Juez
This paper presents a new fault detection system in hypnotic sensors used for general anesthesia during surgery. Drug infusion during surgery is based on information received from patient monitoring devices; accordingly, faults in sensor devices can put patient safety at risk. Our research offers a solution to cope with these undesirable scenarios. We focus on the anesthesia process using intravenous propofol as the hypnotic drug and employing a Bispectral Index (BIS(TM)) monitor to estimate the patient's unconsciousness level...
January 18, 2017: Sensors
https://www.readbyqxmd.com/read/28106766/the-anti-oxidant-defense-system-of-the-marine-polar-ciliate-euplotes-nobilii-characterization-of-the-msrb-gene-family
#17
Francesca Ricci, Federico M Lauro, Joseph J Grzymski, Robert Read, Rigers Bakiu, Gianfranco Santovito, Pierangelo Luporini, Adriana Vallesi
Organisms living in polar waters must cope with an extremely stressful environment dominated by freezing temperatures, high oxygen concentrations and UV radiation. To shed light on the genetic mechanisms on which the polar marine ciliate, Euplotes nobilii, relies to effectively cope with the oxidative stress, attention was focused on methionine sulfoxide reductases which repair proteins with oxidized methionines. A family of four structurally distinct MsrB genes, encoding enzymes specific for the reduction of the methionine-sulfoxide R-forms, were identified from a draft of the E...
January 18, 2017: Biology
https://www.readbyqxmd.com/read/28106669/translational-studies-identify-long-term-impact-of-prior-neonatal-pain-experience
#18
Suellen M Walker
Pain sensitivity and risk of chronic pain can be influenced by past experience. Childhood stress/adversity has been associated with chronic pain, mood disorders, and altered disease vulnerability decades later. As the rate of preterm birth and survival at earlier gestational ages increases, and advances in peri-operative care and surgery allow more complex surgical interventions to be performed in neonates, evaluation of treatment 'success' must extend beyond acute morbidity and mortality to encompass effects on subsequent neurodevelopmental outcome, and also sensory, cognitive and behavioral responses to pain in later life...
January 12, 2017: Pain
https://www.readbyqxmd.com/read/28106572/training-in-positivity-for-stroke-a-qualitative-study-of-acceptability-of-use-of-positive-mental-training-posmt-as-a-tool-to-assist-stroke-survivors-with-post-stroke-psychological-problems-and-in-coping-with-rehabilitation
#19
Nahal Mavaddat, Sheila Ross, Alastair Dobbin, Kate Williams, Jonathan Graffy, Jonathan Mant
BACKGROUND: Post-stroke psychological problems predict poor recovery, while positive affect enables patients to focus on rehabilitation and may improve functional outcomes. Positive Mental Training (PosMT), a guided self-help audio shows promise as a tool in promoting positivity, optimism and resilience. OBJECTIVE: To assess acceptability of training in positivity with PosMT for prevention and management of post-stroke psychological problems and to help with coping with rehabilitation...
January 18, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28106559/abca1-deficiency-affects-basal-cognitive-deficits-and-dendritic-density-in-mice
#20
Nicholas F Fitz, Alexis Y Carter, Victor Tapias, Emilie L Castranio, Ravindra Kodali, Iliya Lefterov, Radosveta Koldamova
ATP-binding cassette transporter A1 (ABCA1) mediates cholesterol efflux to lipid-free apolipoproteins and regulates the generation of high density lipoproteins. Previously, we have shown that lack of Abca1 significantly increases amyloid deposition and cognitive deficits in Alzheimer's disease model mice expressing human amyloid-β protein precursor (APP). The goal of this study was to determine if ABCA1 plays a role in memory deficits caused by amyloid-β (Aβ) oligomers and examine neurite architecture of pyramidal hippocampal neurons...
January 18, 2017: Journal of Alzheimer's Disease: JAD
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