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Artificial nutrition

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https://www.readbyqxmd.com/read/28646035/a-matter-of-life-and-death
#1
Justice Baker
Cases concerning the withdrawal or withholding of artificial nutrition and hydration from patients in a vegetative or minimally conscious state raise difficult medical, legal and ethical questions including the diagnosis and classification of disorders of consciousness, the legal processes to be followed, and the legal and ethical principles to be applied when making decisions. There is also an issue as to whether it is necessary or appropriate for such decisions to be taken by judges. This article, based on a lecture given in Oxford in October 2016, considers a number of these issues and concludes that any consideration of the question from the patient's point of view must include an objective analysis of what is in his or her best interests, as well as subjective expressions of wishes and feelings...
June 23, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28637858/maternal-and-nourishment-factors-interact-to-influence-offspring-developmental-trajectories-in-social-wasps
#2
Jennifer M Jandt, Sainath Suryanarayanan, John C Hermanson, Robert L Jeanne, Amy L Toth
The social and nutritional environments during early development have the potential to affect offspring traits, but the mechanisms and molecular underpinnings of these effects remain elusive. We used Polistes fuscatus paper wasps to dissect how maternally controlled factors (vibrational signals and nourishment) interact to induce different caste developmental trajectories in female offspring, leading to worker or reproductive (gyne) traits. We established a set of caste phenotype biomarkers in P. fuscatus females, finding that gyne-destined individuals had high expression of three caste-related genes hypothesized to have roles in diapause and mitochondrial metabolism...
June 28, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28633545/late-recovery-of-awareness-in-prolonged-disorders-of-consciousness-a-cross-sectional-cohort-study
#3
Kudret Yelden, Sophie Duport, Leon M James, Agnieszka Kempny, Simon F Farmer, Alex P Leff, E Diane Playford
PURPOSE: To detect any improvement of awareness in prolonged disorders of consciousness in the long term. METHODS: A total of 34 patients with prolonged disorders of consciousness (27 vegetative state and seven minimally conscious state; 16 males; aged 21-73) were included in the study. All patients were initially diagnosed with vegetative/minimally conscious state on admission to our specialist neurological rehabilitation unit. Re-assessment was performed 2-16 years later using Coma Recovery Scale-Revised...
June 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28592264/adaptation-to-new-nutritional-environments-larval-performance-foraging-decisions-and-adult-oviposition-choices-in-drosophila-suzukii
#4
Nuno F Silva-Soares, A Nogueira-Alves, P Beldade, Christen Kerry Mirth
BACKGROUND: Understanding how species adapt to new niches is a central issue in evolutionary ecology. Nutrition is vital for the survival of all organisms and impacts species fitness and distribution. While most Drosophila species exploit rotting plant parts, some species have diversified to use ripe fruit, allowing earlier colonization. The decomposition of plant material is facilitated by yeast colonization and proliferation. These yeasts serve as the main protein source for Drosophila larvae...
June 7, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28585444/artificial-cultivation-of-true-morels-current-state-issues-and-perspectives
#5
Qizheng Liu, Husheng Ma, Ya Zhang, Caihong Dong
Morels (Morchella, Ascomycota), which are some of the most highly prized edible and medicinal mushrooms, are of great economic and scientific value. Morel cultivation has been a research focus worldwide for more than 100 years, and the outdoor cultivation of morels has succeeded and expanded to a large scale in China in recent years. In this study, we review the progress in recent research regarding the life cycle and reproductive systems in the genus Morchella and the current state of outdoor cultivation...
June 6, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28572704/multiporous-supramolecular-microspheres-for-artificial-photosynthesis
#6
Kai Tao, Bin Xue, Samuel Frere, Inna Slutsky, Yi Cao, Wei Wang, Ehud Gazit
Artificial photosynthesis shows a promising potential for sustainable supply of nutritional ingredients. While most studies focus on the assembly of the light-sensitive chromophores to 1-D architectures in an artificial photosynthesis system, other supramolecular morphologies, especially bioinspired ones, which may have more efficient light-harvesting properties, have been far less studied. Here, MCpP-FF, a bioinspired building block fabricated by conjugating porphyrin and diphenylalanine, was designed to self-assemble into nanofibers-based multiporous microspheres...
May 23, 2017: Chemistry of Materials: a Publication of the American Chemical Society
https://www.readbyqxmd.com/read/28562402/artificial-nutrition-and-hydration-in-people-with-late-stage-dementia
#7
Lenora Smith, Rita Ferguson
The progressive nature of dementia marks this disease as a terminal illness in the advanced stage, and palliative care rather than curative treatment is indicated. The use of feeding tubes to deliver artificial nutrition and hydration at end of life is often part of the plan of care for people with dementia. Current evidence, however, suggests that tube feeding in advanced dementia is not beneficial and the burdens of the procedure and the feedings themselves outweigh any benefits. Evidence also reveals that healthcare providers may lack evidence-based knowledge about artificial nutrition and hydration to adequately inform families and surrogate decision makers...
June 2017: Home Healthcare Now
https://www.readbyqxmd.com/read/28548564/eating-habits-and-food-additive-intakes-are-associated-with-emotional-states-based-on-eeg-and-hrv-in-healthy-korean-children-and-adolescents
#8
Jin Young Kim, Hye Lim Kang, Dae-Keun Kim, Seung Wan Kang, Yoo Kyoung Park
PURPOSE: Recent study suggests that psychological issues and eating habits are closely related. In this study, we aimed to find the association between eating habits and intakes of artificial sweeteners with emotional states of schoolchildren using quantitatively analyzing objective biosignals. METHODS: The study was conducted at the National Standard Reference Data Center for Korean EEG as a cross-sectional study. Three hundred eighteen healthy children who have not been diagnosed with neurologic or psychiatric disorders were evaluated (168 girls and 150 boys; mean age of 11...
May 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28543918/gut-microbiota-of-the-pine-weevil-degrades-conifer-diterpenes-and-increases-insect-fitness
#9
Aileen Berasategui, Hassan Salem, Christian Paetz, Maricel Santoro, Jonathan Gershenzon, Martin Kaltenpoth, Axel Schmdit
The pine weevil (Hylobius abietis), a major pest of conifer forests throughout Europe, feeds on the bark and cambium, tissues rich in terpenoid resins that are toxic to many insect herbivores. Here we report the ability of the pine weevil gut microbiota to degrade the diterpene acids of Norway spruce. The diterpene acid levels present in ingested bark were substantially reduced on passage through the pine weevil gut. This reduction was significantly less upon antibiotic treatment, and supplementing the diet with gut suspensions from untreated insects restored the ability to degrade diterpenes...
May 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28526141/total-parenteral-and-enteral-nutrition-in-the-icu-evolving-concepts
#10
REVIEW
Amir O Elhassan, Lien B Tran, Richard C Clarke, Sumit Singh, Alan D Kaye
Appropriate nutrition in the hospital setting, particularly in critically ill patients, has long been tied to improving clinical outcomes. During critical illness, inflammatory mediators and cytokines lead to the creation of a catabolic state to facilitate the use of endogenous energy sources to meet increased energy demands. This process results in increasing the likelihood of overfeeding. The literature has revealed exponential advances in understanding the molecular basis of nutritional support and evolution of clinical protocols aimed at treating artificial nutritional support as a therapeutic intervention, preventing loss of lean body mass and metabolic deterioration to improve clinical outcomes in the critically ill...
June 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28458804/nutrition-pharmacological-and-training-strategies-adopted-by-six-bodybuilders-case-report-and-critical-review
#11
Paulo Gentil, Claudio Andre Barbosa de Lira, Antonio Paoli, José Alexandre Barbosa Dos Santos, Roberto Deivide Teixeira da Silva, José Romulo Pereira Junior, Edson Pereira da Silva, Rodrigo Ferro Magosso
The purpose of this study was to report and analyze the practices adopted by bodybuilders in light of scientific evidence and to propose evidence-based alternatives. Six (four male and two female) bodybuilders and their coaches were directly interviewed. According to the reports, the quantity of anabolic steroids used by the men was 500-750 mg/week during the bulking phase and 720-1160 mg during the cutting phase. The values for women were 400 and 740 mg, respectively. The participants also used ephedrine and hydrochlorothiazide during the cutting phase...
February 24, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28458120/discrepancies-in-the-use-of-chemotherapy-and-artificial-nutrition-near-the-end-of-life-for-hospitalised-patients-with-metastatic-gastric-or-oesophageal-cancer-a-countrywide-register-based-study
#12
Emmanuelle Kempf, Christophe Tournigand, Philippe Rochigneux, Régis Aubry, Lucas Morin
AIM: To evaluate the frequency and the factors associated with the use of chemotherapy and artificial nutrition near the end of life in hospitalised patients with metastatic oesophageal or gastric cancer. METHODS: Nationwide, register-based study, including all hospitalised adults (≥20 years) who died with metastatic oesophageal or gastric cancer between 2010 and 2013, in France. Chemotherapy and artificial nutrition during the final weeks of life were considered as primary outcomes...
July 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28429314/evolutionary-origin-of-euglena
#13
Bożena Zakryś, Rafał Milanowski, Anna Karnkowska
Euglenids (Excavata, Discoba, Euglenozoa, Euglenida) is a group of free-living, single-celled flagellates living in the aquatic environments. The uniting and unique morphological feature of euglenids is the presence of a cell covering called the pellicle. The morphology and organization of the pellicle correlate well with the mode of nutrition and cell movement. Euglenids exhibit diverse modes of nutrition, including phagotrophy and photosynthesis. Photosynthetic species (Euglenophyceae) constitute a single subclade within euglenids...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28423745/reasoning-and-data-representation-in-a-health-and-lifestyle-support-system
#14
Sten Hanke, Karl Kreiner, Johannes Kropf, Marc Scase, Christian Gossy
Case-based reasoning and data interpretation is an artificial intelligence approach that capitalizes on past experience to solve current problems and this can be used as a method for practical intelligent systems. Case-based data reasoning is able to provide decision support for experts and clinicians in health systems as well as lifestyle systems. In this project we were focusing on developing a solution for healthy ageing considering daily activities, nutrition as well as cognitive activities. The data analysis of the reasoner followed state of the art guidelines from clinical practice...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28410120/snp_tata_comparator-genomewide-landmarks-for-preventive-personalized-medicine
#15
REVIEW
Mikhail Ponomarenko, Dmitry Rasskazov, Irina Chadaeva, Ekaterina Sharypova, Petr Ponomarenko, Olga Arkova, Elena Kashina, Nikita Ivanisenko, Dmitry Zhechev, Ludmila Savinkova, Nikolay Kolchanov
Year after year, conditions, quality, and duration of human lives have been improving due to the progress of science, technology, education, and medicine, which however has a downside. Owing to improvement in children's nutrition, developmental acceleration occurs that imbalances a child's system. Because of virtual worlds of the Internet, social experience of teenagers expands and clashes with puberty of adolescents. Due to the comfort of cities, urbanization emerges and causes stress to adults because of artificial light, noise, pollution, violations of personal space, and family disruption...
June 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28396492/the-geometric-framework-for-nutrition-reveals-interactions-between-protein-and-carbohydrate-during-larval-growth-in-honey-bees
#16
Bryan R Helm, Garett P Slater, Arun Rajamohan, George D Yocum, Kendra J Greenlee, Julia H Bowsher
In holometabolous insects, larval nutrition affects adult body size, a life history trait with a profound influence on performance and fitness. Individual nutritional components of larval diets are often complex and may interact with one another, necessitating the use of a geometric framework for elucidating nutritional effects. In the honey bee, Apis mellifera, nurse bees provision food to developing larvae, directly moderating growth rates and caste development. However, the eusocial nature of honey bees makes nutritional studies challenging, because diet components cannot be systematically manipulated in the hive...
June 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28392206/nitrogen-nutrition-of-tomato-plant-alters-leafminer-dietary-intake-dynamics
#17
Victoire Coqueret, Jacques Le Bot, Romain Larbat, Nicolas Desneux, Christophe Robin, Stéphane Adamowicz
The leafminer Tuta absoluta (Meyrick) is a major pest of the tomato crop and its development rate is known to decline when nitrogen availability for crop growth is limited. Because N limitation reduces plant primary metabolism but enhances secondary metabolism, one can infer that the slow larval development arises from lower leaf nutritive value and/or higher plant defence. As an attempt to study the first alternative, we examined the tomato-T. absoluta interaction in terms of resource supply by leaves and intake by larvae...
April 7, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28386787/prospective-evaluation-of-systematic-use-of-peripherally-inserted-central-catheters-picc-lines-for-the-home-care-after-allogeneic-hematopoietic-stem-cells-transplantation
#18
J Cornillon, J A Martignoles, E Tavernier-Tardy, M Gire, P Martinez, C Tranchan, A Vallard, K Augeul-Meunier, B Hacquard, D Guyotat
PURPOSE: Long-term catheters are often necessary for outpatient care after an allogeneic hematopoietic stem cell transplantation (HSCT), However, there is paucity of data on the use of peripherally inserted central catheter (PICC) in post-HSCT setting. METHODS: We prospectively evaluated the systematic use of PICC in 37 consecutive patients returning home after HSCT. RESULTS: In 6 out of 37 patients, the PICC was exclusively used for weekly blood controls...
April 6, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28381001/potential-of-spectral-ratio-indices-derived-from-hyperspectral-lidar-and-laser-induced-chlorophyll-fluorescence-spectra-on-estimating-rice-leaf-nitrogen-contents
#19
Lin Du, Shuo Shi, Jian Yang, Wei Wang, Jia Sun, Biwu Cheng, Zhenbing Zhang, Wei Gong
Accurate estimation of leaf nitrogen contents (LNCs) is essential for nutrition management in monitoring crop growth status. The aim of this study was to compare the potential of hyperspectral LiDAR (HSL) and laser-induced chlorophyll fluorescence (LIF) data in accurately predicting rice LNC. First of all, the intensity values of HSL at 694 and 742 nm and LIF at ~685 and ~740 nm were selected as the characteristic variables to analyze rice LNC using data collected in 2014 and 2015, respectively. Second, spectral indices derived from HSL (only) and LIF (only) were utilized to estimate LNC of rice, respectively...
March 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28378852/effects-of-non-nutritive-artificial-vs-natural-sweeteners-on-24-h-glucose-profiles
#20
S L Tey, N B Salleh, C J Henry, C G Forde
Replacing nutritive sweetener with non-nutritive sweeteners (NNS) has the potential to improve glycaemic control. The objective of this study was to investigate the effects of consuming artificial NNS (that is, aspartame), natural NNS (that is, monk fruit and stevia), and sucrose-sweetened beverages on 24-h glucose profiles. Ten healthy males took part in this randomised, crossover study with the following four treatments: aspartame-, monk fruit-, stevia-, and sucrose- (65 g) sweetened beverages. Participants were asked to consume the test beverage as a preload mid-morning...
April 5, 2017: European Journal of Clinical Nutrition
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