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https://www.readbyqxmd.com/read/27914312/today-is-tomorrow-s-yesterday-children-s-acquisition-of-deictic-time-words
#1
Katharine A Tillman, Tyler Marghetis, David Barner, Mahesh Srinivasan
Deictic time words like "yesterday" and "tomorrow" pose a challenge to children not only because they are abstract, and label periods in time, but also because their denotations vary according to the time at which they are uttered: Monday's "tomorrow" is different than Thursday's. Although children produce these words as early as age 2 or 3, they do not use them in adult-like ways for several subsequent years. Here, we explored whether children have partial but systematic meanings for these words during the long delay before adult-like usage...
November 30, 2016: Cognitive Psychology
https://www.readbyqxmd.com/read/27914089/generating-and-purifying-fab-fragments-from-human-and-mouse-igg-using-the-bacterial-enzymes-ides-speb-and-kgp
#2
Jonathan Sjögren, Linda Andersson, Malin Mejàre, Fredrik Olsson
Fab fragments are valuable research tools in various areas of science including applications in imaging, binding studies, removal of Fc-mediated effector functions, mass spectrometry, infection biology, and many others. The enzymatic tools for the generation of Fab fragments have been discovered through basic research within the field of molecular bacterial pathogenesis. Today, these enzymes are widely applied as research tools and in this chapter, we describe methodologies based on bacterial enzymes to generate Fab fragments from both human and mouse IgG...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27914078/computer-vision-based-image-analysis-of-bacteria
#3
Jonas Danielsen, Pontus Nordenfelt
Microscopy is an essential tool for studying bacteria, but is today mostly used in a qualitative or possibly semi-quantitative manner often involving time-consuming manual analysis. It also makes it difficult to assess the importance of individual bacterial phenotypes, especially when there are only subtle differences in features such as shape, size, or signal intensity, which is typically very difficult for the human eye to discern. With computer vision-based image analysis - where computer algorithms interpret image data - it is possible to achieve an objective and reproducible quantification of images in an automated fashion...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27913987/a-moral-normative-framework-for-the-judgment-of-actions-and-decisions-in-the-construction-industry-and-engineering-part-ii
#4
Omar J Alkhatib
The construction industry is typically characterized as a fragmented, multi-organizational setting in which members from different technical backgrounds and moral values join together to develop a particular business or project. The most challenging obstacle in the construction process is to achieve a successful practice and to identify and apply an ethical framework to manage the behavior of involved specialists and contractors and to ensure the quality of all completed construction activities. The framework should reflect a common moral ground for myriad people involved in this process to survive and compete ethically in today's turbulent construction market...
December 2, 2016: Science and Engineering Ethics
https://www.readbyqxmd.com/read/27913841/membranes-and-the-origin-of-life-a-century-of-conjecture
#5
REVIEW
David Deamer
Cells are the units of all life today, and are defined by their membranous boundaries. The membranes have multiple functions; the most obvious being that, in the absence of a boundary, the systems of functional macromolecular components of the cytosol would spill into the environment and disperse. Membranes also contain the pigments essential for photosynthesis, electron transport enzymes that pump and maintain proton gradients, the ATP synthase that uses proton gradients to produce energy for the cell, and enzymes that use ATP to maintain ion gradients essential for life...
December 2, 2016: Journal of Molecular Evolution
https://www.readbyqxmd.com/read/27912946/addressing-holistic-healthcare-needs-of-oncology-patients-implementation-and-evaluation-of-a-complementary-and-alternative-medicine-cam-course-within-an-elective-module-designed-for-healthcare-professionals
#6
Nadja Klafke, Angelika Homberg, Katharina Glassen, Cornelia Mahler
BACKGROUND: Patients, and especially oncology patients, increasingly demand information and application of complementary therapies to supplement their conventional medical treatment and follow-up care. Due to the widespread interest in holistic treatment opportunities in oncology populations, healthcare professionals need to be prepared in differentiating evidence-based methods of the complementary and alternative medicine (CAM) spectrum and how to consult with patients about it. OBJECTIVE: This paper reports on the implementation and evaluation of a newly designed module "Complementary and Alternative Medicine in oncological healthcare" in the bachelor degree program Interprofessional Health Care (B...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27912071/classical-and-alternative-macrophages-have-impaired-function-during-acute-and-chronic-hiv-1-infection
#7
Leonardo J Galvão-Lima, Milena S Espíndola, Luana S Soares, Fabiana A Zambuzi, Maira Cacemiro, Caroline Fontanari, Valdes R Bollela, Fabiani G Frantz
OBJECTIVES: Three decades after HIV recognition and its association with AIDS development, many advances have emerged - especially related to prevention and treatment. Undoubtedly, the development of Highly Active Antiretroviral Therapy (HAART) dramatically changed the future of the syndrome that we know today. In the present study, we evaluate the impact of HAART on macrophage function and its relevance to HIV pathogenesis. METHODS: PBMCs were isolated from blood samples and monocytes (CD14+ cells) were purified...
November 29, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27911866/dna-methylation-signature-sam40-identifies-subgroups-of-the-luminal-a-breast-cancer-samples-with-distinct-survival
#8
Thomas Fleischer, Jovana Klajic, Miriam Ragle Aure, Riku Louhimo, Arne V Pladsen, Lars Ottestad, Nizar Touleimat, Marko Laakso, Ann Rita Halvorsen, Grethe I Grenaker Alnæs, Margit L H Riis, Åslaug Helland, Sampsa Hautaniemi, Per Eystein Lønning, Bjørn Naume, Anne-Lise Børresen-Dale, Jörg Tost, Vessela N Kristensen
Breast cancer patients with Luminal A disease generally have a good prognosis, but among this patient group are patients with good prognosis that are currently overtreated with adjuvant chemotherapy, and also patients that have a bad prognosis and should be given more aggressive treatment. There is no available method for subclassification of this patient group. Here we present a DNA methylation signature (SAM40) that segregates Luminal A patients based on prognosis, and identify one good prognosis group and one bad prognosis group...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910785/characterization-of-cross-flow-ultrafiltration-fractions-from-maitake-medicinal-mushroom-grifoia-frondosa-agaricomycetes-reveals-distinct-cytotoxicity-in-tumor-cells
#9
Miriam Sari, Reinhard Hambitzer, Jan I Lelley, Katharina Toepler, Nicole Teusch, Anna Nickisch-Hartfiel
β-glucans from Basidiomycetes like Grifola frondosa (the maitake mushroom) are well known for their health benefits. Polysaccharide preparations from medicinal mushrooms such as G. frondosa have been successfully tested in a vast number of studies. Many mushroom extracts have been developed and today are merchandized for use medicinally and commercially. Studies could show that, in particular, chemical structural features such as the molecular size of β-glucans significantly influence their bioactivity. Thus it is highly important to explore the composition and structural properties of β-glucans extracted from medicinal mushrooms and their effects on human tumor cell viability...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910417/new-numerical-simulation-method-to-calibrate-the-regular-hexagonal-nai-tl-detector-with-radioactive-point-sources-situated-non-axial
#10
Ayman Hamzawy, Dimitar N Grozdanov, Mohamed S Badawi, Fuad A Aliyev, Abouzeid A Thabet, Mahmoud I Abbas, Ivan N Ruskov, Ahmed M El-Khatib, Yuri N Kopatch, Mona M Gouda
Scintillation crystals are usually used for detection of energetic photons at room temperature in high energy and nuclear physics research, non-destructive analysis of materials testing, safeguards, nuclear treaty verification, geological exploration, and medical imaging. Therefore, new designs and construction of radioactive beam facilities are coming on-line with these science brunches. A good number of researchers are investigating the efficiency of the γ-ray detectors to improve the models and techniques used in order to deal with the most pressing problems in physics research today...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910066/traditional-approaches-to-molecular-genetic-analysis
#11
Christopher J Walker, Paul J Goodfellow
Molecular studies of endometrial cancer have evolved with the tools available to researchers: the methods for measuring nucleic acids, protein expression, and combinations thereof. Today "molecular genetic analysis" implies a broad range of indirect and direct tests that yield molecular phenotypes or genotypes, immunotypes, or signatures that were not conceived of when the histologic and biologic heterogeneity was first fully acknowledged.We will provide a historical perspective on molecular genetic studies of endometrial cancers focusing on candidate genes and how early foundational research shaped both our understanding of the disease and current research directions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910000/a-review-of-experimental-and-off-label-therapies-for-clostridium-difficile-infection
#12
REVIEW
Csaba Fehér, Alex Soriano, Josep Mensa
In spite of increased awareness and the efforts taken to optimize Clostridium difficile infection (CDI) management, with the limited number of currently available antibiotics for C. difficile the halt of this increasing epidemic remains out of reach. There are, however, close to 80 alternative treatment methods with controversial anti-clostridial efficacy or in experimental phase today. Indeed, some of these therapies are expected to become acknowledged members of the recommended anti-CDI arsenal within the next few years...
December 1, 2016: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/27909899/obesity-and-risk-of-cancer-an-introductory-overview
#13
Tobias Pischon, Katharina Nimptsch
The prevalence of obesity has increased substantially in the past in almost all countries of the world, and a further increase is expected for the future. Besides the well-established effects on type 2 diabetes and cardiovascular disease, there is convincing evidence today that obesity also increases the risk of several types of cancer, including colorectal cancer, postmenopausal breast cancer, endometrial cancer, renal cell carcinoma, esophageal adenocarcinoma, pancreatic cancer, and liver cancer. Obesity probably also increases the risk of ovarian cancer, advanced prostate cancer, gallbladder cancer, and gastric cardia cancer...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909602/fluid-therapy-today-where-are-we
#14
Giorgio Della Rocca, Luigi Vetrugno
No abstract text is available yet for this article.
October 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27909583/re-coopering-anti-psychiatry-david-cooper-revolutionary-critic-of-psychiatry
#15
Adrian Chapman
This article offers an introduction to David Cooper (1931-86), who coined the term 'anti-psychiatry', and, it is argued here, has not so far received the scholarly attention that he deserves. The first section presents his life in context. The second section presents his work in detail. There follows a section on the critical reception of Cooper, and, finally, a conclusion that sets out ways in which he might be interesting and useful today.
November 2016: Critical and Radical Social Work
https://www.readbyqxmd.com/read/27908610/economics-human-biology-and-inequality-a-review-of-puzzles-and-recent-contributions-from-a-deatonian-perspective
#16
Joerg Baten
The Nobel laureate Angus Deaton concentrated his work on puzzling developments and phenomena in economics. Puzzles are exciting elements in economics, because readers feel challenged by the question of how they can be solved. Among the puzzles analyzed by Deaton are: (1) Mortality increase of white, U.S. non-Hispanic men (2000 to today); (2) Why are height and income sometimes closely correlated, but not always?; (3) Height inequality among males and females; and (4) The Indian puzzle of declining consumption of calories during overall expenditure growth...
November 18, 2016: Economics and Human Biology
https://www.readbyqxmd.com/read/27908581/sonodynamic-inactivation-of-gram-positive-and-gram-negative-bacteria-using-a-rose-bengal-antimicrobial-peptide-conjugate
#17
David Costley, Heather Nesbitt, Nigel Ternan, James Dooley, Ying-Ying Huang, Michael R Hamblin, Anthony P McHale, John F Callan
Combating antimicrobial resistance is one of the most serious public health challenges facing society today. The development of new antibiotics or alternative techniques that can help combat antimicrobial resistance is being prioritised by many governments and stakeholders across the globe. Antimicrobial photodynamic therapy is one such technique that has received considerable attention but is limited by the inability of light to penetrate through human tissue, reducing its effectiveness when used to treat deep-seated infections...
November 17, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27908488/accumulation-of-cadmium-and-uranium-in-arable-soils-in-switzerland
#18
Moritz Bigalke, Andrea Ulrich, Agnes Rehmus, Armin Keller
Mineral phosphorus (P) fertilizers contain contaminants that are potentially hazardous to humans and the environment. Frequent mineral P fertilizer applications can cause heavy metals to accumulate and reach undesirable concentrations in agricultural soils. There is particular concern about Cadmium (Cd) and Uranium (U) accumulation because these metals are toxic and can endanger soil fertility, leach into groundwater, and be taken up by crops. We determined total Cd and U concentrations in more than 400 topsoil and subsoil samples obtained from 216 agricultural sites across Switzerland...
November 28, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27908184/irradiation-with-x-rays-of-the-energy-18-mv-induces-radioactivity-in-transfusion-blood-proposal-of-a-safe-method-using-6-mv
#19
Katharina Frentzel, Harun Badakhshi
PURPOSE: To prevent a fatal transfusion-associated graft-versus-host disease, it is recommended to irradiate transfusion blood and blood components with ionizing radiation. Using x-rays from a linear accelerator of the radiotherapy department is an accepted alternative to gamma irradiation devices of the blood bank and to the orthovoltage units that are replacing the gamma irradiators today. However, the use of high energy x-rays may carry a potential risk of induced radioactivity. The objective of this study was to investigate the effect of two different energy levels, 6 and 18 MV, which are executed in routine clinical settings...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27907954/today-s-approach-to-treating-brain-swelling-in-the-neuro-intensive-care-unit
#20
Shreyansh Shah, W Taylor Kimberly
Brain swelling is an urgent clinical problem that frequently accompanies ischemic stroke, brain hemorrhage, and traumatic brain injury; it increases morbidity and mortality associated with them. It occurs due to failure of membrane transporters and leakage of the blood-brain barrier (BBB), resulting in combination of cytotoxic, ionic, and vasogenic edema. Currently, decompressive craniectomy and osmotherapy are the mainstays of management, but these therapies do not halt the underlying molecular cascade leading to brain swelling...
December 2016: Seminars in Neurology
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