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https://www.readbyqxmd.com/read/28725435/biogeophysical-and-physiological-processes-drive-movement-patterns-in-a-marine-predator
#1
Lucy A Howey, Bradley M Wetherbee, Emily R Tolentino, Mahmood S Shivji
BACKGROUND: Blue sharks (Prionace glauca) are among the most abundant and widely distributed of oceanic elasmobranchs. Millions are taken annually in pelagic longline fisheries and comprise the highest component of auctioned fin weight in the international shark fin trade. Though studies of blue sharks outnumber those of other large pelagic sharks, the species' complicated and sexually segregated life history still confound current understanding of Atlantic movement patterns. Lack of detailed information regarding movement and vertical behavior continues to limit management efforts that require such data for stock assessment and sustainable catch modeling...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28706572/a-microwell-printing-fabrication-strategy-for-the-on-chip-templated-biosynthesis-of-protein-microarrays-for-surface-plasmon-resonance-imaging
#2
Gerald Manuel, Andrej Lupták, Robert M Corn
A two-step templated, ribosomal biosynthesis/printing method for the fabrication of protein microarrays for surface plasmon resonance imaging (SPRI) measurements is demonstrated. In the first step, a sixteen component microarray of proteins is created in microwells by cell free on chip protein synthesis; each microwell contains both an in vitro transcription and translation (IVTT) solution and 350 femtomoles of a specific DNA template sequence that together are used to create approximately 40 picomoles of a specific hexahistidine-tagged protein...
September 22, 2016: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://www.readbyqxmd.com/read/28699566/entity-recognition-from-clinical-texts-via-recurrent-neural-network
#3
Zengjian Liu, Ming Yang, Xiaolong Wang, Qingcai Chen, Buzhou Tang, Zhe Wang, Hua Xu
BACKGROUND: Entity recognition is one of the most primary steps for text analysis and has long attracted considerable attention from researchers. In the clinical domain, various types of entities, such as clinical entities and protected health information (PHI), widely exist in clinical texts. Recognizing these entities has become a hot topic in clinical natural language processing (NLP), and a large number of traditional machine learning methods, such as support vector machine and conditional random field, have been deployed to recognize entities from clinical texts in the past few years...
July 5, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28685489/short-term-visual-memory-for-location-in-depth-a-u-shaped-function-of-time
#4
Adam Reeves, Quan Lei
Short-term visual memory was studied by displaying arrays of four or five numerals, each numeral in its own depth plane, followed after various delays by an arrow cue shown in one of the depth planes. Subjects reported the numeral at the depth cued by the arrow. Accuracy fell with increasing cue delay for the first 500 ms or so, and then recovered almost fully. This dipping pattern contrasts with the usual iconic decay observed for memory traces. The dip occurred with or without a verbal or color-shape retention load on working memory...
July 6, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28679406/the-common-promoter-polymorphism-rs11666254-downregulates-fpr2-alx-expression-and-increases-risk-of-sepsis-in-patients-with-severe-trauma
#5
Han Zhang, Yao Lu, Guixiang Sun, Fang Teng, Nian Luo, Jianxin Jiang, Aiqing Wen
BACKGROUND: Formyl peptide receptor 2-lipoxin receptor (FPR2/ALX) modulates the anti-inflammatory response and therefore may be a target for treating sepsis. The purpose of this study was to investigate the association between genetic variants of the FPR2/ALX gene and sepsis after severe trauma as well as to further analyze the functions of sepsis-related genetic polymorphisms. METHODS: Three tag single-nucleotide polymorphisms (tag SNPs) that captured all common alleles across the FPR2/ALX genomic region were genotyped using pyrosequencing in an initial sample consisting of 275 patients with severe trauma...
July 6, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28677637/an-rfid-based-smart-structure-for-the-supply-chain-resilient-scanning-proofs-and-ownership-transfer-with-positive-secrecy-capacity-channels
#6
Mike Burmester, Jorge Munilla, Andrés Ortiz, Pino Caballero-Gil
The National Strategy for Global Supply Chain Security published in 2012 by the White House identifies two primary goals for strengthening global supply chains: first, to promote the efficient and secure movement of goods, and second to foster a resilient supply chain. The Internet of Things (IoT), and in particular Radio Frequency Identification (RFID) technology, can be used to realize these goals. For product identification, tracking and real-time awareness, RFID tags are attached to goods. As tagged goods move along the supply chain from the suppliers to the manufacturers, and then on to the retailers until eventually they reach the customers, two major security challenges can be identified: (I) to protect the shipment of goods that are controlled by potentially untrusted carriers; and (II) to secure the transfer of ownership at each stage of the chain...
July 4, 2017: Sensors
https://www.readbyqxmd.com/read/28669403/a-genetic-variant-ameliorates-%C3%AE-thalassemia-severity-by-epigenetic-mediated-elevation-of-human-fetal-hemoglobin-expression
#7
Diyu Chen, Yangjin Zuo, Xinhua Zhang, Yuhua Ye, Xiuqin Bao, Haiyan Huang, Wanicha Tepakhan, Lijuan Wang, Junyi Ju, Guangfu Chen, Mincui Zheng, Dun Liu, Shuodan Huang, Lu Zong, Changgang Li, Yajun Chen, Chenguang Zheng, Lihong Shi, Quan Zhao, Qiang Wu, Supan Fucharoen, Cunyou Zhao, Xiangmin Xu
A delayed fetal-to-adult hemoglobin (Hb) switch ameliorates the severity of β-thalassemia and sickle cell disease. The molecular mechanism underlying the epigenetic dysregulation of the switch is unclear. To explore the potential cis-variants responsible for the Hb switching, we systematically analyzed an 80-kb region spanning the β-globin cluster using capture-based next-generation sequencing of 1142 Chinese β-thalassemia persons and identified 31 fetal hemoglobin (HbF)-associated haplotypes of the selected 28 tag regulatory single-nucleotide polymorphisms (rSNPs) in seven linkage disequilibrium (LD) blocks...
July 6, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28668773/fluorescent-carbon-nanoparticle-based-lateral-flow-biosensor-for-ultrasensitive-detection-of-dna
#8
Sunitha Takalkar, Kwaku Baryeh, Guodong Liu
We report a fluorescent carbon nanoparticle (FCN)-based lateral flow biosensor for ultrasensitive detection of DNA. Fluorescent carbon nanoparticle with a diameter of around 15nm was used as a tag to label a detection DNA probe, which was complementary with the part of target DNA. A capture DNA probe was immobilized on the test zone of the lateral flow biosensor. Sandwich-type hybridization reactions among the FCN-labeled DNA probe, target DNA and capture DNA probe were performed on the lateral flow biosensor...
June 23, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28665013/epigenetic-regulation-by-g9a-glp-complex-ameliorates-amyloid-beta-1-42-induced-deficits-in-long-term-plasticity-and-synaptic-tagging-capture-in-hippocampal-pyramidal-neurons
#9
Mahima Sharma, Tobias Dierkes, Sreedharan Sajikumar
Altered epigenetic mechanisms are implicated in the cognitive decline associated with neurodegenerative diseases such as in Alzheimer's disease (AD). AD is the most prevalent form of dementia worldwide; amyloid plaques and neurofibrillary tangles are the histopathological hallmarks of AD. We have recently reported that the inhibition of G9a/GLP complex promotes long-term potentiation (LTP) and its associative mechanisms such as synaptic tagging and capture (STC). However, the role of this complex in plasticity impairments remains elusive...
June 30, 2017: Aging Cell
https://www.readbyqxmd.com/read/28662091/revisiting-the-vulnerability-of-juvenile-bigeye-thunnus-obesus-and-yellowfin-t-albacares-tuna-caught-by-purse-seine-fisheries-while-associating-with-surface-waters-and-floating-objects
#10
Joe Scutt Phillips, Graham M Pilling, Bruno Leroy, Karen Evans, Thomas Usu, Chi Hin Lam, Kurt M Schaefer, Simon Nicol
Tuna fisheries catch over three million tonnes of skipjack tuna (Katsuwonus pelamis) each year, the majority of which come from purse-seine vessels targeting fish associated with man-made fish aggregating devices (FADs). A significant challenge for fisheries management is to maximize the efficiency of skipjack tuna catches whilst minimizing the bycatch of small and immature bigeye (Thunnus obesus) and yellowfin (T. albacares) tuna, for which long-term sustainability is uncertain in 75% of the world's stocks...
2017: PloS One
https://www.readbyqxmd.com/read/28658326/otolith-shape-variability-and-associated-body-growth-differences-in-giant-grenadier-albatrossia-pectoralis
#11
Cara J Rodgveller, Charles E Hutchinson, Jeremy P Harris, Scott C Vulstek, Charles M Guthrie
Fish stocks can be defined by differences in their distribution, life history, and genetics. Managing fish based on stock structure is integral to successful management of a species because fishing may affect stocks disproportionately. Genetic and environmental differences can affect the shape and growth of otoliths and these differences may be indicative of stock structure. To investigate the potential for speciation or stock structure in giant grenadier, Albatrossia pectoralis, we quantified the shape of female giant grenadier otoliths and compared body growth rates for fish with three otolith shapes; shape types were classified visually by an experienced giant grenadier age reader, and were not defined by known distribution or life history differences...
2017: PloS One
https://www.readbyqxmd.com/read/28653085/assessment-of-the-validity-and-reproducibility-of-a-novel-standardized-test-meal-for-the-study-of-postprandial-triacylglycerol-concentrations
#12
Nikolaos Tentolouris, Panagiotis T Kanellos, Evangelia Siami, Elpida Athanasopoulou, Nikolaos Chaviaras, Genovefa Kolovou, Petros P Sfikakis, Nikolaos Katsilambros
Lipotest(®) is a standardized fat-rich meal designed for use as a test meal during a fat tolerance test (FTT) for the study of postprandial triacylglycerol (TAG) concentrations. Herein we examined the precision and reproducibility of examination using Lipotest(®) on postprandial TAG levels. A total of 26 healthy consenting subjects were examined twice after 8-10 h fasting with an interval of approximately 1 week apart. Blood samples were collected at baseline and 1, 2, 3, and 4 h after consumption of the test meal for measurement of plasma total TAG levels...
June 26, 2017: Lipids
https://www.readbyqxmd.com/read/28640955/in-solution-antibody-harvesting-with-a-plant-produced-hydrophobin-protein-a-fusion
#13
Katri Kurppa, Lauri Reuter, Anneli Ritala, Markus Linder, Jussi Joensuu
Purification is a bottleneck and a major cost factor in the production of antibodies. We set out to engineer a bi-functional fusion protein from two building blocks, Protein A and a hydrophobin, aiming at low-cost and scalable antibody capturing in solutions. Immunoglobulin-binding Protein A is widely used in affinity-based purification. The hydrophobin fusion tag, on the other hand, has been shown to enable purification by two-phase separation. Protein A was fused to two different hydrophobin tags, HFBI or II, and expressed transiently in Nicotiana benthamiana...
June 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28640899/normative-3d-opto-electronic-stereo-photogrammetric-posture-and-spine-morphology-data-in-young-healthy-adult-population
#14
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
Observational cross-sectional study. The current study aims to yield normative data: i.e., the physiological standard for 30 selected quantitative 3D parameters that accurately capture and describe a full-skeleton, upright-standing attitude. Specific and exclusive consideration was given to three distinct categories: postural, spine morphology and pelvic parameters. To capture such 3D parameters, the authors selected a non-ionising 3D opto-electronic stereo-photogrammetric approach. This required the identification and measurement of 27 body landmarks, each specifically tagged with a skin marker...
2017: PloS One
https://www.readbyqxmd.com/read/28632533/investigation-of-two-prototypes-of-novel-noncontact-technologies-for-automated-real-time-capture-of-incremental-drug-administration-data-from-syringes
#15
Benjamin Eagle, David J Williams, John Dingley
BACKGROUND: An ideal electronic anesthesia recording system would be capable of not only recording physiological data but also injectable drug doses given, including those given incrementally from one syringe, without recourse to manual data entry. We compared 2 prototype devices which wirelessly recognized individual syringes and measured changes in their plunger positions via 2 different optical noncontact means, allowing calculation of incremental drug doses given. METHODS: Both devices incorporated a radio-frequency identification reader, which wirelessly read a unique code from a radio-frequency identification tag within syringe drug labels...
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28623569/estimating-the-population-size-of-female-sex-worker-population-in-tehran-iran-application-of-direct-capture-recapture-method
#16
Manoochehr Karami, Salman Khazaei, Jalal Poorolajal, Alireza Soltanian, Mansour Sajadipoor
There is no reliable estimate of the size of female sex workers (FSWs). This study aimed to estimate the size of FSWs in south of Tehran, Iran in 2016 using direct capture-recapture method. In the capture phase, the hangouts of FSWs were mapped as their meeting places. FSWs who agreed to participate in the study tagged with a T-shirt. The recapture phase was implemented at the same places tagging FSWs with a blue bracelet. The total estimated size of FSWs was 690 (95% CI 633, 747). About 89.43% of FSWs experienced sexual intercourse prior to age 20...
June 16, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28618357/visualisation-study-on-pseudomonas-migulae-an-1-transport-in-saturated-porous-media
#17
Dan Qu, Hejun Ren, Rui Zhou, Yongsheng Zhao
Influence of granular size and groundwater flow rate on transport of Pseudomonas migulae AN-1 in saturated porous media was non-invasively and visually investigated with a novel imaging technique based on our previously established green fluorescent protein-tagging approach. AN-1 was transported faster than water was. The finer the media were, the greater the enhancement of bacterial velocity was. Mass recovery (MR) increased, while deposition rate coefficient (Kc) decreased, with increasing granular size. Similar and linear trends of MR and Kc, respectively, were quantitatively observed with increasing water flow rate...
June 7, 2017: Water Research
https://www.readbyqxmd.com/read/28615413/breaking-the-color-barrier-a-multi-selective-antibody-reporter-offers-innovative-strategies-of-fluorescence-detection
#18
Eugenio Gallo, Jonathan W Jarvik
A novel bi-partite fluorescence platform exploits the high affinity and selectivity of antibody scaffolds to capture and activate small molecule fluorogens. In this report we investigated the property of multi-selectivity activation from a single antibody against diverse cyanine-family fluorogens. Our fluorescence screen identified three cell impermeant fluorogens; each with unique emission spectra (blue, green, and red) and nanomolar affinities. Most importantly, as a protein fusion-tag to G-protein-coupled receptors the antibody biosensor retained full activity - displaying bright fluorogen signals with minimal background on live cells...
June 14, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28611392/targeted-sequencing-of-both-dna-strands-barcoded-and-captured-individually-by-rna-probes-to-identify-genome-wide-ultra-rare-mutations
#19
Qing Wang, Xu Wang, Pheobe S Tang, Grace M O'leary, Ming Zhang
Next Generation Sequencing (NGS) has been widely implemented in biological research and has made a profound impact on patient care. One of the essential NGS applications is to identify disease-causing sequence variants, where high coverage and accuracy are needed. Here, we reported a novel NGS pipeline, termed a Sequencing System of Digitalized Barcode Encrypted Single-stranded Library from Extremely Low (quality and quantity) DNA Input with Probe-based DNA Enrichment by RNA probes targeting DNA duplex (DEEPER-Seq)...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608671/conformational-control-of-udp-galactopyranose-mutase-inhibition
#20
Kittikhun Wangkanont, Valerie J Winton, Katrina T Forest, Laura L Kiessling
UDP-galactopyranose mutase (Glf or UGM) catalyzes the formation of uridine 5'-diphosphate-α-D-galactofuranose (UDP-Galf) from UDP-galactopyranose (UDP-Galp). The enzyme is required for the production of Galf-containing glycans. UGM is absent in mammals, but members of the Corynebacterineae suborder require UGM for cell envelope biosynthesis. The need for UGM in some pathogens has prompted the search for inhibitors that could serve as antibiotic leads. Optimizing inhibitor potency, however, has been challenging...
June 13, 2017: Biochemistry
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