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https://www.readbyqxmd.com/read/29232612/aliphatic-hydrocarbons-recovered-in-vegetables-from-soils-based-on-their-in-situ-distribution-in-various-soil-humus-fractions-using-a-successive-extraction-method
#1
Juan Zhang, Shu-Kai Fan, Ming-Hua Zhang, Michael L Grieneisen, Jian-Feng Zhang
Aliphatic hydrocarbons (AHs) are major petroleum contaminants in the environment. In this study, the AHs bound to various soil endogenetic humus fractions were separated through successive extraction. Most of the AHs (46.1%) in soils were adsorbed onto/into humic acids (HA) and a small quantity of AHs (9.6%) were organic solvent extractable. AHs in B. chinensis were also analyzed since their potential risks to the residents through ingestion. AHs from C21 to C34, so called high molecular weight AHs (HMWAHs), were dominant AHs in B...
December 6, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29230360/skin-temperature-and-reproductive-condition-in-wild-female-chimpanzees
#2
Guillaume Dezecache, Claudia Wilke, Nathalie Richi, Christof Neumann, Klaus Zuberbühler
Infrared thermal imaging has emerged as a valuable tool in veterinary medicine, in particular for evaluating reproductive processes. Here, we explored differences in skin temperature of twenty female chimpanzees in Budongo Forest, Uganda, four of which were pregnant during data collection. Based on previous literature in other mammals, we predicted increased skin temperature of maximally swollen reproductive organs of non-pregnant females when approaching peak fertility. For pregnant females, we made the same prediction because it has been argued that female chimpanzees have evolved mechanisms to conceal pregnancy, including swellings of the reproductive organs, conspicuous copulation calling, and solicitation of male mating behaviour, to decrease the infanticidal tendencies of resident males by confusing paternity...
2017: PeerJ
https://www.readbyqxmd.com/read/29226222/learning-processes-and-learning-problems-in-german-postgraduate-medical-education
#3
Hendrik van den Bussche, Lea Krause-Solberg, Martin Scherer, Stine Ziegler
Objective: In order to evaluate the quality of postgraduate medical education in Germany, we examined how the learning of theoretical and practical competencies is conceptualized and how the learning process takes place in real terms. The training conditions, as perceived by medical residents, are compared with the learning objectives, as stated by the Federal Chamber of Physicians in its regulation on postgraduate education. The analysis is based on the data of the "KarMed" study (abbreviation of "career progression and career breaks among physicians during postgraduate education"), a multicentre cohort study of medical school graduates from seven universities who arre followed until they receive their licenses as specialist physicians...
2017: GMS Journal for Medical Education
https://www.readbyqxmd.com/read/29218847/potential-exposure-to-australian-bat-lyssavirus-is-unlikely-to-prevent-future-bat-handling-among-adults-in-south-east-queensland
#4
M K Young, S Banu, B J McCall, S Vlack, H Carroll, S Bennett, R Davison, D Francis
Despite ongoing public health messages about the risks associated with bat contact, the number of potential exposures to Australian bat lyssavirus (ABLV) due to intentional handling by members of the general public in Queensland has remained high. We sought to better understand the reasons for intentional handling among these members of the public who reported their potential exposure to inform future public health messages. We interviewed adults who resided in a defined geographic area in South East Queensland and notified potential exposure to ABLV due to intentional handling of bats by telephone between 1 January 2012 and 31 December 2013...
December 8, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29214641/an-app-to-enhance-resident-education-in-otolaryngology
#5
Wayne D Hsueh, John P Bent, Howard S Moskowitz
OBJECTIVE: Technological change is leading to an evolution in medical education. The objective of our study was to assess the impact of a medical knowledge app, called PulseQD, on resident education within our otolaryngology-head and neck surgery department at Montefiore Medical Center, Albert Einstein College of Medicine (Bronx, NY). METHODS: A prospective cohort study was conducted within the Department of Otolaryngology-Head and Neck Surgery from July 2016 to June 2017...
December 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29208032/junior-rounds-an-educational-initiative-to-improve-role-transitions-for-junior-residents
#6
Richard Dunbar-Yaffe, Wayne L Gold, Peter E Wu
OBJECTIVE: At our institution, Morning Report focuses mostly on diagnostic reasoning. This makes it a challenge for first-year residents to learn to manage common on-call emergencies, such as hyperkalemia. We sought to improve their preparedness for the transitions they would encounter: from medical student to physician at the beginning of the academic year, and from junior resident to senior resident toward the end. In response to feedback, we developed the Junior Rounds curriculum: a weekly session focused on the approach to commonly encountered on-call emergencies and internal medicine referrals...
December 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29204825/stem-cell-microenvironments-and-beyond
#7
Alexander Birbrair
Endogenous stem cells are indispensable to keep tissue homeostasis due to their unique ability to generate more specialized cell types in an organized way depending on the body needs. Precise control over stem cell differentiation is essential for organogenesis and tissue homeostasis. Stem cells reside in specialized microenvironments, also called niches, which maintain them in an undifferentiated and self-renewing state. The cellular and molecular mechanisms of stem cell maintenance are key to the regulation of homeostasis and likely contribute to several disorders when altered during adulthood...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29201774/hepatitis-action-plan-and-changing-trend-of-liver-disease-in-japan-viral-hepatitis-and-nonalcoholic-fatty-liver-disease
#8
REVIEW
Tatsuya Kanto, Sachiyo Yoshio
In Japan, the estimated number of chronic hepatitis B virus infections was 1.1 to 1.4 million, and that of chronic hepatitis C virus was 1.9 to 2.3 million in 2000. The mortality of hepatocellular carcinoma had been increasing and hit the peak at around 2002, which subsequently started to decrease. Japan has a national action plan for addressing viral hepatitis called Basic Act on Hepatitis Measures, established in 2009. In 2011, basic guidelines for promotion of control measures for hepatitis were issued, comprising nine principles in order to promote measures to prevent hepatitis B and C...
January 2017: Euroasian journal of hepato-gastroenterology
https://www.readbyqxmd.com/read/29201421/process-evaluation-of-a-mobile-phone-based-intervention-to-support-post-abortion-contraception-in-cambodia
#9
Chris Smith, Sokhey Ly, Vannak Uk, Ruby Warnock, Phil Edwards, Caroline Free
Background: The MObile Technology for Improved Family Planning (MOTIF) trial assessed a mobile phone-based intervention comprising voice messages and counsellor support to increase post-abortion contraception at four Marie Stopes International clinics in Cambodia. The aim of this process evaluation was to assess participants' interaction with the intervention from a service provider perspective. Methods: (1) We conducted a descriptive analysis to assess participants' interaction with the intervention...
2017: Contraception and Reproductive Medicine
https://www.readbyqxmd.com/read/29191167/using-variant-databases-for-variant-prioritization-and-to-detect-erroneous-genotype-phenotype-associations
#10
Bart J G Broeckx, Luc Peelman, Jimmy H Saunders, Dieter Deforce, Lieven Clement
BACKGROUND: In the search for novel causal mutations, public and/or private variant databases are nearly always used to facilitate the search as they result in a massive reduction of putative variants in one step. Practically, variant filtering is often done by either using all variants from the variant database (called the absence-approach, i.e. it is assumed that disease-causing variants do not reside in variant databases) or by using the subset of variants with an allelic frequency > 1% (called the 1%-approach)...
December 1, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29190282/experience-dependent-olfactory-behaviors-of-the-parasitic-nematode-heligmosomoides-polygyrus
#11
Felicitas Ruiz, Michelle L Castelletto, Spencer S Gang, Elissa A Hallem
Parasitic nematodes of humans and livestock cause extensive disease and economic loss worldwide. Many parasitic nematodes infect hosts as third-stage larvae, called iL3s. iL3s vary in their infection route: some infect by skin penetration, others by passive ingestion. Skin-penetrating iL3s actively search for hosts using host-emitted olfactory cues, but the extent to which passively ingested iL3s respond to olfactory cues was largely unknown. Here, we examined the olfactory behaviors of the passively ingested murine gastrointestinal parasite Heligmosomoides polygyrus...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29189534/pediatric-orthopaedic-surgeons-dissatisfied-in-on-call-practices-despite-improving-call-conditions-the-2015-posna-membership-survey-regarding-trauma-care
#12
Allison Lind, Kevin Latz, Mark R Sinclair, David D Williams
BACKGROUND: To examine the current trends in trauma call coverage of pediatric orthopaedic surgeons in North America and to identify predictors of surgeon on-call satisfaction. METHODS: In 2015, ∼1200 active members of the Pediatric Orthopaedic Society of North America (POSNA) were surveyed regarding emergency room on-call practices. In total, 410 members completed the survey with a response rate of 35%. Information collected included call frequency, practice setting and satisfaction with call...
November 16, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29188232/colorectal-cancer-cells-adhere-to-and-migrate-along-the-neurons-of-the-enteric-nervous-system
#13
Emilie Duchalais, Christophe Guilluy, Steven Nedellec, Melissa Touvron, Anne Bessard, Yann Touchefeu, Céline Bossard, Hélène Boudin, Guy Louarn, Michel Neunlist, Laurianne Van Landeghem
Background & Aims: In several types of cancers, tumor cells invade adjacent tissues by migrating along the resident nerves of the tumor microenvironment. This process, called perineural invasion, typically occurs along extrinsic nerves, with Schwann cells providing physical guidance for the tumor cells. However, in the colorectal cancer microenvironment, the most abundant nervous structures belong to the nonmyelinated intrinsic enteric nervous system (ENS). In this study, we investigated whether colon cancer cells interact with the ENS...
2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29186925/indigenous-values-and-health-systems-stewardship-in-circumpolar-countries
#14
Susan Chatwood, Francois Paulette, G Ross Baker, Astrid M A Eriksen, Ketil Lenert Hansen, Heidi Eriksen, Vanessa Hiratsuka, Josée Lavoie, Wendy Lou, Ian Mauro, James Orbinski, Nathalie Pambrun, Hanna Retallack, Adalsteinn Brown
Circumpolar regions, and the nations within which they reside, have recently gained international attention because of shared and pressing public policy issues such as climate change, resource development, endangered wildlife and sovereignty disputes. In a call for national and circumpolar action on shared areas of concern, the Arctic states health ministers recently met and signed a declaration that identified shared priorities for international cooperation. Among the areas for collaboration raised, the declaration highlighted the importance of enhancing intercultural understanding, promoting culturally appropriate health care delivery and strengthening circumpolar collaboration in culturally appropriate health care delivery...
November 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29177667/immunohistochemistry-of-human-hsp60-in-health-and-disease-from-autoimmunity-to-cancer
#15
Francesco Cappello, Everly Conway de Macario, Francesca Rappa, Giovanni Zummo, Alberto J L Macario
Hsp60 (also called Cpn60) is a chaperonin with essential functions for cell physiology and survival. Additionally, its involvement in the pathogenesis of a variety of diseases (e.g., some autoimmune disorders and cancer) is becoming evident with new research. For example, the distribution and levels of Hsp60 in cells and tissues have been found altered in many pathologic conditions, and the significance of these alterations is being investigated in a number of laboratories. The aim of this ongoing research is to determine the meaning of these Hsp60 alterations with regard to pathogenetic mechanisms, diagnosis, classification of lesions, and assessing prognosis and response to treatment...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29174205/the-current-state-of-radiology-call-assistant-triage-programs-among-us-radiology-residency-programs
#16
Jennifer Shaffer Ngo, Charles M Maxfield, Gary R Schooler
RATIONALE AND OBJECTIVES: Given increasing volume and workflow interruptions in radiology, we sought to identify and characterize radiology call assistant triage (RCAT) programs among US radiology residency programs. MATERIALS AND METHODS: A survey was created using Qualtrics survey software and emailed to all members of the Association of Program Directors in Radiology listserv. A total of 296 active members belong to this listserv, including program directors and assistant program directors...
November 21, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29174190/communicating-radiology-test-results-are-our-phone-calls-excessive-just-right-or-not-enough
#17
Zeeshaan S Bhatti, Richard K J Brown, Ella A Kazerooni, Matthew S Davenport
RATIONALE AND OBJECTIVES: This study aimed to determine the preferences of radiology and referring provider residents regarding direct communication of radiology test results. METHODS: This Health Insurance Portability and Accountability Act-compliant quality improvement effort was exempt from institutional review board oversight. An anonymous survey was emailed to 44 radiology residents and 364 referring resident providers who routinely provide or receive direct communication of test results at our quaternary care medical center...
November 23, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29166354/smoothing-the-transition-points-in-canadian-medical-education
#18
Nick Busing, Jay Rosenfield, Kamal Rungta, Matt Raegele, Andrew Warren, Bruce Wright, Mark Walton, Ivy Oandasan, Anthony Sanfilippo, Anurag Saxena
In 2010 the Association of Faculties of Medicine of Canada, Collège des médecins du Québec, College of Family Physicians of Canada, and the Royal College of Physicians and Surgeons of Canada launched The Future of Medical Education in Canada Postgraduate (FMEC PG) Project to examine postgraduate medical education (PGME) in Canada and make recommendations for improvement. One recommendation that emerged concerns the transitions learners experience across the undergraduate medical education-PGME-practice continuum...
November 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29158396/emt-programs-promote-basal-mammary-stem-cell-and-tumor-initiating-cell-stemness-by-inducing-primary-ciliogenesis-and-hedgehog-signaling
#19
Vincent J Guen, Tony E Chavarria, Cornelia Kröger, Xin Ye, Robert A Weinberg, Jacqueline A Lees
Tissue regeneration relies on adult stem cells (SCs) that possess the ability to self-renew and produce differentiating progeny. In an analogous manner, the development of certain carcinomas depends on a small subset of tumor cells, called "tumor-initiating cells" (TICs), with SC-like properties. Mammary SCs (MaSCs) reside in the basal compartment of the mammary epithelium, and their neoplastic counterparts, mammary TICs (MaTICs), are thought to serve as the TICs for the claudin-low subtype of breast cancer...
November 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29155292/24-7-in-house-attending-staff-coverage-improves-neonatal-short-term-outcomes-a-retrospective-study
#20
Brahim Bensouda, Jessica Boucher, Mandel Romain, Jean Lachapelle, Nabeel Ali
OBJECTIVES: to compare short-term outcomes of newborns over 36 weeks with Apgar scores ≤3 at 1minute, following the adoption of a 24/7 in house coverage schedule STUDY DESIGN: A retrospective chart review comparing two 12-month epochs. Epoch 1: coverage provided by residents with availability on call at home of attending staff. Epoch 2: On site coverage by attending staff. RESULTS: 71 and 60 charts were reviewed from Epoch 1 and 2 respectively. The number of infants receiving chest compressions was reduced during Epoch 2 (from 19% to 1...
November 16, 2017: Resuscitation
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