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https://www.readbyqxmd.com/read/28437747/concurrent-evaluation-of-personal-damaging-and-beneficial-uv-exposures-over-an-extended-period
#1
L K Wainwright, A V Parisi, N J Downs
Personal exposure to solar ultraviolet radiation (UVR) is acknowledged as having both positive and negative effects on human health. This study aimed to measure concurrently the personal erythemal UV, UVA and vitamin D effective exposures of participants in each season of a year. Participants were all indoor office workers located at two different sites less than 6.5 km apart at the sub-tropical location of Toowoomba (27°33'S 151°55'E). The subjects wore a combined dosimeter badge horizontally on the shoulder for a minimum of one week in each season; this badge used 8-methoxypsoralen film to record the UVA waveband and polyphenylene oxide film for the erythemal and the vitamin D effective UV wavebands...
April 13, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28437741/use-of-nuclear-receptor-luciferase-based-bioassays-to-detect-endocrine-active-chemicals-in-a-biosolids-biochar-amended-soil
#2
Carolyn G Anderson, Geetika Joshi, Daniel A Bair, Charlotte Oriol, Guochun He, Sanjai J Parikh, Michael S Denison, Kate M Scow
Biosolids are a potentially valuable source of carbon and nutrients for agricultural soils; however, potential unintended impacts on human health and the environment must be considered. Virtually all biosolids contain trace amounts endocrine-disrupting chemicals derived from human use of pharmaceuticals and personal care products (PPCPs). One potential way to reduce the bioavailability of PPCPs is to co-apply biosolids with biochar to soil, because biochar's chemical (e.g., aromaticity) and physical properties (e...
April 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28437725/evaluation-of-ecotoxicological-effects-of-benzophenone-uv-filters-luminescent-bacteria-toxicity-genotoxicity-and-hormonal-activity
#3
Qiuya Zhang, Xiaoyan Ma, Mawuli Dzakpasu, Xiaochang C Wang
The widespread use of organic ultraviolet (UV) filters in personal care products raises concerns about their potentially hazardous effects on human and ecosystem health. In this study, the toxicities of four commonly used benzophenones (BPs) UV filters including benzophenone (BP), 2-Hydroxybenzophenone (2HB), 2-Hydroxy-4-methoxybenzophenone (BP3), and 2-Hydroxy-4-methoxybenzophenone-5-sulfonicacid (BP4) in water were assayed in vitro using Vibrio fischeri, SOS/umu assay, and yeast estrogen screen (YES) assay, as well as in vivo using zebrafish larvae...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437649/occurrences-and-removal-of-pharmaceuticals-and-personal-care-products-ppcps-in-drinking-water-and-water-sewage-treatment-plants-a-review
#4
REVIEW
Yi Yang, Yong Sik Ok, Ki-Hyun Kim, Eilhann E Kwon, Yiu Fai Tsang
In recent years, many of micropollutants have been widely detected because of continuous input of pharmaceuticals and personal care products (PPCPs) into the environment and newly developed state-of-the-art analytical methods. PPCP residues are frequently detected in drinking water sources, sewage treatment plants (STPs), and water treatment plants (WTPs) due to their universal consumption, low human metabolic capability, and improper disposal. When partially metabolized PPCPs are transferred into STPs, they elicit negative effects on biological treatment processes; therefore, conventional STPs are insufficient when it comes to PPCP removal...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437217/fleeing-the-ivory-tower-gender-differences-in-the-turnover-experiences-of-women-faculty
#5
Larry R Martinez, Katharine R O'Brien, Michelle R Hebl
PURPOSE: Prior research has established that women and men faculty have different experiences in their professional and personal lives and that academic turnover can be costly and disruptive to home institutions. However, relatively little research has examined gender differences in the antecedent events that contributed to faculty members' voluntary turnover decisions. This study aims to fill this gap. MATERIALS AND METHODS: Qualitative and quantitative data were obtained in two ways: by directly contacting faculty members who had voluntarily left their positions through the human resource departments at six institutions and through more wide-scale snowball sampling...
February 27, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28436780/truth-axes-and-the-transformation-of-self
#6
Shlomit Yadlin-Gadot
Freud adhered to the idea that psychoanalysis is a science and that truth is one. The transition from a realistic epistemology to an epistemology of subjective idealism in psychoanalytic thought was accompanied by the splintering of the "one" realistic truth into a multiplicity of truths: realistic-correspondent, ideal, subjective-existential, intersubjective, coherent, and pragmatic truths. The present paper, employing the concept of "truth axes," explores these truths as they relate to basic human needs, self- states, and the structuring of subjectivity...
April 2017: Psychoanalytic Review
https://www.readbyqxmd.com/read/28434241/-facilitating-role-of-traumatic-experiences-in-art
#7
József Gerevich
Traumatic experiences can not only have unfavourable consequences, they can also contribute, with a kind of creative twist, to the development of the person affected by the trauma. The artistic responses to traumas can be examined on the basis of the different types of trauma. This study reports on an investigation focusing on six types of trauma: emotional deprivation/neglect; near-death experience; becoming the victim of violence; war; accident/sickness and emotional frustration. Examples taken from the history of art indicate that works of art can draw attention to the traumatic experiences of the artists with frequently repeated motifs and portrayal techniques (sun, mother image, objects referring to the person lost, motifs of violence or symbols of violence, artistic manifestations of an exaggerated self-image, surreal visions, dry irony, substituting other objects for the beloved person), or a sudden change of style and subject that can express a heightened interest in human suffering (Lovis Corinth)...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28433855/the-electrophysiology-of-neurohiv-a-systematic-review-of-eeg-and-meg-studies-in-people-with-hiv-infection-since-the-advent-of-highly-active-antiretroviral-therapy
#8
Ana Lucia Fernández-Cruz, Lesley K Fellows
OBJECTIVE: The Human Immunodeficiency Virus (HIV) has an impact on the brain, even when the infection is well-controlled with modern highly-active antiretroviral therapy (HAART). While dementia is rare in those on HAART, milder cognitive impairment is common. The causes, patterns, and evolution of brain dysfunction in people living with HIV remain uncertain. We evaluate whether electrophysiological methods provide informative measures of brain dysfunction in this population. METHODS: A systematic literature search identified studies that used EEG or MEG to evaluate persons living with HIV published between 1996 (when HAART became available) and 2016...
March 31, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28433801/moderate-within-person-variability-in-cortisol-is-related-to-executive-function-in-early-childhood
#9
Clancy Blair, Daniel J Berry
Lab-based experimental studies with humans and in animal models demonstrate that the relation between glucocorticoid (GC) levels and performance on measures of higher-order cognitive ability such as executive function (EF) is best described by an inverted U-shape curve. Moderate levels of GCs (cortisol/corticosterone) are associated with comparatively better performance relative to GC levels that are particularly high or low. Although findings from experimental studies are definitive and have high internal validity, the external validity of this association as an aspect of children's development is unknown...
March 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28433559/the-kcnh2-ivs9-28a-g-mutation-causes-aberrant-isoform-expression-and-herg-trafficking-defect-in-cardiomyocytes-derived-from-patients-affected-by-long-qt-syndrome-type-2
#10
Manuela Mura, Ashish Mehta, Chrishan J Ramachandra, Rita Zappatore, Federica Pisano, Maria Chiara Ciuffreda, Vincenzo Barbaccia, Lia Crotti, Peter J Schwartz, Winston Shim, Massimiliano Gnecchi
BACKGROUND: Long QT Syndrome type 2 (LQT2) is caused by mutations in the KCNH2 gene that encodes for the α-subunit (hERG) of the ion channel conducting the rapid delayed rectifier potassium current (IKr). We have previously identified a disease causing mutation (IVS9-28A/G) in the branch point of the splicing of KCNH2 intron 9. However, the mechanism through which this mutation causes the disease is unknown. METHODS AND RESULTS: We generated human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) from fibroblasts of two IVS9-28A/G mutation carriers...
April 12, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28433517/causal-attribution-and-psychobiological-response-to-competition-in-young-men
#11
A Salvador, R Costa, V Hidalgo, E González-Bono
A contribution to a special issue on Hormones and Human Competition. Psychoneuroendocrine effects of competition have been widely accepted as a clear example of the relationship between androgens and aggressive/dominant behavior in humans. However, results about the effects of competitive outcomes are quite heterogeneous, suggesting that personal and contextual factors play a moderating role in this relationship. To further explore these dimensions, we aimed to examine (i) the effect of competition and its outcome on the psychobiological response to a laboratory competition in young men, and (ii) the moderating role of some cognitive dimensions such as causal attributions...
April 19, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28433457/spatial-and-temporal-expression-patterns-of-genes-around-nine-neuroticism-associated-loci
#12
Kazutaka Ohi, Takamitsu Shimada, Toshiki Yasuyama, Kohei Kimura, Takashi Uehara, Yasuhiro Kawasaki
Neuroticism is a high-order personality trait. Individuals with higher neuroticism have increased risks of various psychiatric disorders and physical health outcomes. Neuroticism is related to physiological differences in the brain. A recent genome-wide association study identified nine distinct genomic loci that contribute to neuroticism. Brain development and function depend on the precise regulation of gene expression, which is differentially regulated across brain regions and developmental stages. Using multiple publicly available human post-mortem databases, we investigated, in brain and non-brain tissues and across several developmental life stages, the spatial and temporal expression patterns of genes arising from nine neuroticism-associated loci...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28432932/surveillance-of-vittaforma-corneae-in-hot-springs-by-a-small-volume-procedure
#13
Jung-Sheng Chen, Tsui-Kang Hsu, Bing-Mu Hsu, Tung-Yi Huang, Yu-Li Huang, Men-Fang Shaio, Dar-Der Ji
Vittaforma corneae is an obligate intracellular fungus and can cause human ocular microsporidiosis. Although accumulating reports of V. corneae causing keratoconjunctivitis in both healthy and immunocompromised persons have been published, little is known about the organism's occurrence in aquatic environments. Limitations in detection sensitivity have meant a large sampling volume is required to detect the pathogen up to now, which is problematic. A recent study in Taiwan has shown that some individuals suffering from microsporidial keratitis (MK) were infected after exposure to the pathogen at a hot spring...
April 19, 2017: Water Research
https://www.readbyqxmd.com/read/28432128/do-the-microbiota-influence-vaccines-and-protective-immunity-to-pathogens-issues-of-sovereignty-federalism-and-points-testing-in-the-prokaryotic-and-eukaryotic-spaces-of-the-host-microbial-superorganism
#14
Andrew J Macpherson
In contrast to live attenuated vaccines, which are designed to induce immunity through a time-limited bloom in systemic tissues, the microbiota is a persistent feature of body surfaces, especially the intestine. The immune responses to the microbiota are idiosyncratic depending on the niche intimacy of different taxa and generally adapt the host to avoid overgrowth and maintain mutualism rather than to eliminate the organisms of that taxon. Both the microbiota and the host have so much molecular cross talk controlling each other, that the prokaryotic and the eukaryotic spaces of the host-microbial superorganism are federal rather than sovereign...
April 21, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28432016/inkjet-printing-of-antiviral-pcl-nanoparticles-and-anticancer-cyclodextrin-inclusion-complexes-on-bioadhesive-film-for-cervical-administration
#15
Cem Varan, Henrika Wickström, Niklas Sandler, Yeşim Aktaş, Erem Bilensoy
Personalized medicine is an important treatment approach for diseases like cancer with high intrasubject variability. In this framework, printing is one of the most promising methods since it permits dose and geometry adjustment of the final product. With this study, a combination product consisting of anticancer (paclitaxel) and antiviral (cidofovir) drugs was manufactured by inkjet printing onto adhesive film for local treatment of cervical cancers as a result of HPV infection. Furthermore, solubility problem of paclitaxel was overcome by maintaining this poorly soluble drug in a cyclodextrin inclusion complex and release of cidofovir was controlled by encapsulation in polycaprolactone nanoparticles...
April 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28431784/technical-and-instrumentational-foundations-of-pet-mri
#16
Ivo Rausch, Harald H Quick, Jacobo Cal-Gonzalez, Bernhard Sattler, Ronald Boellaard, Thomas Beyer
This paper highlights the origins of combined positron emission tomography (PET) and magnetic resonance imaging (MRI) whole-body systems that were first introduced for applications in humans in 2010. This text first covers basic aspects of each imaging modality before describing the technical and methodological challenges of combining PET and MRI within a single system. After several years of development, combined and even fully-integrated PET/MRI systems have become available and made their way into the clinic...
April 8, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28431461/impact-of-superparamagnetic-iron-oxide-nanoparticles-on-vocal-fold-fibroblasts-cell-behavior-and-cellular-iron-kinetics
#17
Marina Pöttler, Anna Fliedner, Eveline Schreiber, Christina Janko, Ralf Philipp Friedrich, Christopher Bohr, Michael Döllinger, Christoph Alexiou, Stephan Dürr
PURPOSE: The voice is the most important instrument of communication. Tissue defects in the vocal fold (VF) area lead to serious reduction in quality of life, but thus far, no satisfactory VF implant exists. Therefore, we aim to establish a functional VF implant in a rabbit model by magnetic tissue engineering (MTE) using superparamagnetic iron oxide nanoparticles (SPION). Hence, iron quantification over time as well as cell behavior studies upon SPION treatment are of great importance...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28431450/-livestock-associated-methicillin-resistant-staphylococcus-aureus-epidemiological-data-from-an-orthopaedic-department-in-north-west-germany
#18
Gerrit Steffen Maier, Fritz Thorey, Kristina Kolbow, Djordje Lazovic, Markus Lühmann, Jörg Ohnsorge, Uwe Maus
Background MRSA represents a considerable health threat to orthopaedic patients. Throughout the last decade, livestock-associated MRSA emerged increasingly in livestock all over Europe. LA-MRSA broke the species barrier, colonizing and causing infections in humans. Nevertheless, to date there are no studies concerning livestock-associated MRSA and orthopaedic patients. Therefore, we aimed to investigate the prevalence of LA-MRSA in a regional orthopaedic department localized in an area with high-density livestock...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431428/computational-and-in-vitro-experimental-investigation-of-intrathecal-drug-distribution-parametric-study-of-the-effect-of-injection-volume-cerebrospinal-fluid-pulsatility-and-drug-uptake
#19
Kevin M Tangen, Roxanne Leval, Ankit I Mehta, Andreas A Linninger
BACKGROUND: Intrathecal drug delivery is an attractive option to circumvent the blood-brain barrier for pain management through its increased efficacy of pain relief, reduction in adverse side effects, and cost-effectiveness. Unfortunately, there are limited guidelines for physicians to choose infusion or drug pump settings to administer therapeutic doses to specific regions of the spine or the brain. Although empiric trialing of intrathecal drugs is critical to determine the sustained side effects, currently there is no inexpensive in vitro method to guide the selection of spinal drug delivery parameters...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28431192/a-personal-connection-promoting-positive-attitudes-towards-teaching-and-learning
#20
Heidi L Lujan, Stephen E DiCarlo
Students' attitudes towards teaching and learning must be addressed with the same seriousness and effort as we address content. Establishing a personal connection and addressing our students' basic psychological needs will produce positive attitudes towards teaching and learning and develop life-long learners. It will also promote constructive student-teacher relationships that have a profound influence on our students' approach towards school. To begin this process, consider the major tenets of the Self-Determination Theory...
April 21, 2017: Anatomical Sciences Education
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