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https://www.readbyqxmd.com/read/28060305/dissection-and-observation-of-honey-bee-dorsal-vessel-for-studies-of-cardiac-function
#1
Scott T O'Neal, Troy D Anderson
The European honey bee, Apis mellifera L., is a valuable agricultural and commercial resource noted for producing honey and providing crop pollination services, as well as an important model social insect used to study memory and learning, aging, and more. Here we describe a detailed protocol for the dissection of the dorsal abdominal wall of a bee in order to visualize its dorsal vessel, which serves the role of the heart in the insect. A successful dissection will expose a functional heart that, under the proper conditions, can maintain a steady heartbeat for an extended period of time...
December 12, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28048855/th-d-brb-01-scripting-fundamentals-killing-cancer-with-code
#2
R Popple
: Scripting capabilities and application programming interfaces (APIs) are becoming commonly available in modern treatment planning systems. These links to the treatment planning system (TPS) allow users to read data from the TPS, and in some cases use TPS functionality and write data back to the TPS. Such tools are powerful extensions, allowing automation of routine clinical tasks and supporting research, particularly research involving repetitive tasks on large patient populations. The data and functionality exposed by scripting/API capabilities is vendor dependent, as are the languages used by script/API engines, such as the Microsoft ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048205/th-d-brb-02-eclipse-scripting-fundamentals-in-net
#3
R Cardan
: Scripting capabilities and application programming interfaces (APIs) are becoming commonly available in modern treatment planning systems. These links to the treatment planning system (TPS) allow users to read data from the TPS, and in some cases use TPS functionality and write data back to the TPS. Such tools are powerful extensions, allowing automation of routine clinical tasks and supporting research, particularly research involving repetitive tasks on large patient populations. The data and functionality exposed by scripting/API capabilities is vendor dependent, as are the languages used by script/API engines, such as the Microsoft ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048177/th-d-brb-04-pinnacle-scripting-improving-efficiency-while-maintaining-safety
#4
J Moore
: Scripting capabilities and application programming interfaces (APIs) are becoming commonly available in modern treatment planning systems. These links to the treatment planning system (TPS) allow users to read data from the TPS, and in some cases use TPS functionality and write data back to the TPS. Such tools are powerful extensions, allowing automation of routine clinical tasks and supporting research, particularly research involving repetitive tasks on large patient populations. The data and functionality exposed by scripting/API capabilities is vendor dependent, as are the languages used by script/API engines, such as the Microsoft ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047552/th-d-brb-03-introduction-to-scripting-in-raystation
#5
J Eley
: Scripting capabilities and application programming interfaces (APIs) are becoming commonly available in modern treatment planning systems. These links to the treatment planning system (TPS) allow users to read data from the TPS, and in some cases use TPS functionality and write data back to the TPS. Such tools are powerful extensions, allowing automation of routine clinical tasks and supporting research, particularly research involving repetitive tasks on large patient populations. The data and functionality exposed by scripting/API capabilities is vendor dependent, as are the languages used by script/API engines, such as the Microsoft ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046791/th-d-brb-00-an-introduction-to-research-and-clinical-development-using-treatment-planning-system-apis
#6
Richard Popple
: Scripting capabilities and application programming interfaces (APIs) are becoming commonly available in modern treatment planning systems. These links to the treatment planning system (TPS) allow users to read data from the TPS, and in some cases use TPS functionality and write data back to the TPS. Such tools are powerful extensions, allowing automation of routine clinical tasks and supporting research, particularly research involving repetitive tasks on large patient populations. The data and functionality exposed by scripting/API capabilities is vendor dependent, as are the languages used by script/API engines, such as the Microsoft ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043325/exploring-poisonous-mechanism-of-honeybee-apis-mellifera-ligustica-spinola-caused-by-pyrethroids
#7
Qiang Wang, Qingyun Diao, Pingli Dai, Yanna Chu, Yanyan Wu, Ting Zhou, Qingnian Cai
As the important intracellular secondary messengers, calcium channel is the target of many neurotoxic pesticides as calcium homeostasis in the neuroplasm play important role in neuronal functions and behavior in insects. This study investigated the effect of deltamethrin (DM) on calcium channel in the brain nerve cells of adult workers of Apis mellifera ligustica Spinola that were cultured in vitro. The results showed that the intracellular calcium concentration was significantly elevated even with a very low concentration of the DM (3...
January 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28028168/acute-exposure-to-worst-case-concentrations-of-amitraz-does-not-affect-honey-bee-learning-short-term-memory-or-hemolymph-octopamine-levels
#8
Rachel R Rix, G Christopher Cutler
Amitraz, an acaricide used to treat Varroa destructor Anderson & Trueman, is one of the most commonly detected pesticides in honey bee (Apis mellifera L.) hives. Acaricides sometimes negatively impact honey bee cognition, but potential effects of amitraz on honey bee learning have been rarely studied. We topically exposed foragers to 95th percentile field-relevant levels of amitraz and, 24 h later, tested the ability of bees to associate a sucrose reward with a conditioned odor (learning response) using the proboscis extension response (PER)...
December 27, 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27929455/neuropharmacological-manipulation-of-restrained-and-free-flying-honey-bees-apis-mellifera
#9
Eirik Søvik, Jenny A Plath, Jean-Marc Devaud, Andrew B Barron
Honey bees demonstrate astonishing learning abilities and advanced social behavior and communication. In addition, their brain is small, easy to visualize and to study. Therefore, bees have long been a favored model amongst neurobiologists and neuroethologists for studying the neural basis of social and natural behavior. It is important, however, that the experimental techniques used to study bees do not interfere with the behaviors being studied. Because of this, it has been necessary to develop a range of techniques for pharmacological manipulation of honey bees...
November 26, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27919863/applying-multiple-data-collection-tools-to-quantify-human-papillomavirus-vaccine-communication-on-twitter
#10
Philip M Massey, Amy Leader, Elad Yom-Tov, Alexandra Budenz, Kara Fisher, Ann C Klassen
BACKGROUND: Human papillomavirus (HPV) is the most common sexually transmitted infection in the United States. There are several vaccines that protect against strains of HPV most associated with cervical and other cancers. Thus, HPV vaccination has become an important component of adolescent preventive health care. As media evolves, more information about HPV vaccination is shifting to social media platforms such as Twitter. Health information consumed on social media may be especially influential for segments of society such as younger populations, as well as ethnic and racial minorities...
December 5, 2016: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/27905515/neonicotinoid-induced-impairment-of-odour-coding-in-the-honeybee
#11
Mara Andrione, Giorgio Vallortigara, Renzo Antolini, Albrecht Haase
Exposure to neonicotinoid pesticides is considered one of the possible causes of honeybee (Apis mellifera) population decline. At sublethal doses, these chemicals have been shown to negatively affect a number of behaviours, including performance of olfactory learning and memory, due to their interference with acetylcholine signalling in the mushroom bodies. Here we provide evidence that neonicotinoids can affect odour coding upstream of the mushroom bodies, in the first odour processing centres of the honeybee brain, i...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895050/social-signals-and-aversive-learning-in-honey-bee-drones-and-workers
#12
Arian Avalos, Eddie Pérez, Lianna Vallejo, María E Pérez, Charles I Abramson, Tugrul Giray
The dissemination of information is a basic element of group cohesion. In honey bees (Apis mellifera Linnaeus 1758), like in other social insects, the principal method for colony-wide information exchange is communication via pheromones. This medium of communication allows multiple individuals to conduct tasks critical to colony survival. Social signaling also establishes conflict at the level of the individual who must trade-off between attending to the immediate environment or the social demand. In this study we examined this conflict by challenging highly social worker honey bees, and less social male drone honey bees undergoing aversive training by presenting them with a social stress signal (isopentyl acetate, IPA)...
January 15, 2017: Biology Open
https://www.readbyqxmd.com/read/27819118/current-knowledge-of-detoxification-mechanisms-of-xenobiotic-in-honey-bees
#13
REVIEW
Youhui Gong, Qingyun Diao
The western honey bee Apis mellifera is the most important managed pollinator species in the world. Multiple factors have been implicated as potential causes or factors contributing to colony collapse disorder, including honey bee pathogens and nutritional deficiencies as well as exposure to pesticides. Honey bees' genome is characterized by a paucity of genes associated with detoxification, which makes them vulnerable to specific pesticides, especially to combinations of pesticides in real field environments...
January 2017: Ecotoxicology
https://www.readbyqxmd.com/read/27730415/machine-learning-interface-for-medical-image-analysis
#14
Yi C Zhang, Alexander C Kagen
TensorFlow is a second-generation open-source machine learning software library with a built-in framework for implementing neural networks in wide variety of perceptual tasks. Although TensorFlow usage is well established with computer vision datasets, the TensorFlow interface with DICOM formats for medical imaging remains to be established. Our goal is to extend the TensorFlow API to accept raw DICOM images as input; 1513 DaTscan DICOM images were obtained from the Parkinson's Progression Markers Initiative (PPMI) database...
October 11, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27699501/the-glass-is-not-yet-half-empty-agitation-but-not-varroa-treatment-causes-cognitive-bias-in-honey-bees
#15
Helge Schlüns, Helena Welling, Julian René Federici, Lars Lewejohann
Honey bees (Apis mellifera) are prone to judge an ambiguous stimulus negatively if they had been agitated through shaking which simulates a predator attack. Such a cognitive bias has been suggested to reflect an internal emotional state analogous to humans who judge more pessimistically when they do not feel well. In order to test cognitive bias experimentally, an animal is conditioned to respond to two different stimuli, where one is punished while the other is rewarded. Subsequently a third, ambiguous stimulus is presented and it is measured whether the subject responds as if it expects a reward or a punishment...
October 3, 2016: Animal Cognition
https://www.readbyqxmd.com/read/27694209/asap-a-machine-learning-framework-for-local-protein-properties
#16
Nadav Brandes, Dan Ofer, Michal Linial
Determining residue-level protein properties, such as sites of post-translational modifications (PTMs), is vital to understanding protein function. Experimental methods are costly and time-consuming, while traditional rule-based computational methods fail to annotate sites lacking substantial similarity. Machine Learning (ML) methods are becoming fundamental in annotating unknown proteins and their heterogeneous properties. We present ASAP (Amino-acid Sequence Annotation Prediction), a universal ML framework for predicting residue-level properties...
2016: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/27693138/honeybees-learn-landscape-features-during-exploratory-orientation-flights
#17
Jacqueline Degen, Andreas Kirbach, Lutz Reiter, Konstantin Lehmann, Philipp Norton, Mona Storms, Miriam Koblofsky, Sarah Winter, Petya B Georgieva, Hai Nguyen, Hayfe Chamkhi, Hanno Meyer, Pawan K Singh, Gisela Manz, Uwe Greggers, Randolf Menzel
Exploration is an elementary and fundamental form of learning about the structure of the world [1-3]. Little is known about what exactly is learned when an animal seeks to become familiar with the environment. Navigating animals explore the environment for safe return to an important place (e.g., a nest site) and to travel between places [4]. Flying central-place foragers like honeybees (Apis mellifera) extend their exploration into distances from which the features of the nest cannot be directly perceived [5-10]...
September 24, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/27672359/dna-methylation-adjusts-the-specificity-of-memories-depending-on-the-learning-context-and-promotes-relearning-in-honeybees
#18
Stephanie D Biergans, Charles Claudianos, Judith Reinhard, C G Galizia
The activity of the epigenetic writers DNA methyltransferases (Dnmts) after olfactory reward conditioning is important for both stimulus-specific long-term memory (LTM) formation and extinction. It, however, remains unknown which components of memory formation Dnmts regulate (e.g., associative vs. non-associative) and in what context (e.g., varying training conditions). Here, we address these aspects in order to clarify the role of Dnmt-mediated DNA methylation in memory formation. We used a pharmacological Dnmt inhibitor and classical appetitive conditioning in the honeybee Apis mellifera, a well characterized model for classical conditioning...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27626797/operant-conditioning-in-honey-bees-apis-mellifera-l-the-cap-pushing-response
#19
Charles I Abramson, Christopher W Dinges, Harrington Wells
The honey bee has been an important model organism for studying learning and memory. More recently, the honey bee has become a valuable model to understand perception and cognition. However, the techniques used to explore psychological phenomena in honey bees have been limited to only a few primary methodologies such as the proboscis extension reflex, sting extension reflex, and free flying target discrimination-tasks. Methods to explore operant conditioning in bees and other invertebrates are not as varied as with vertebrates...
2016: PloS One
https://www.readbyqxmd.com/read/27562025/sub-lethal-effects-of-dietary-neonicotinoid-insecticide-exposure-on-honey-bee-queen-fecundity-and-colony-development
#20
Judy Wu-Smart, Marla Spivak
Many factors can negatively affect honey bee (Apis mellifera L.) health including the pervasive use of systemic neonicotinoid insecticides. Through direct consumption of contaminated nectar and pollen from treated plants, neonicotinoids can affect foraging, learning, and memory in worker bees. Less well studied are the potential effects of neonicotinoids on queen bees, which may be exposed indirectly through trophallaxis, or food-sharing. To assess effects on queen productivity, small colonies of different sizes (1500, 3000, and 7000 bees) were fed imidacloprid (0, 10, 20, 50, and 100 ppb) in syrup for three weeks...
2016: Scientific Reports
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