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https://www.readbyqxmd.com/read/28107744/sensitive-detection-of-t4-polynucleotide-kinase-activity-based-on-multifunctional-magnetic-probes-and-polymerization-nicking-reactions-mediated-hyperbranched-rolling-circle-amplification
#1
Xia Li, Xiaowen Xu, Juan Song, Qingwang Xue, Chenzhong Li, Wei Jiang
T4 polynucleotide kinase (PNK) plays critical roles in regulating DNA phosphorylation modes during the repair of DNA lesions. The aberrant activity of T4 PNK has been proven to be associated with a variety of human pathologies. Sensitive detection of T4 PNK activity is critical to both clinical diagnosis and therapeutics. Herein, a background-eliminated fluorescence assay for sensitive detection of T4 PNK activity has been developed by multifunctional magnetic probes and polymerization nicking reactions mediated hyperbranched rolling circle amplification (HRCA)...
January 12, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28107727/neural-correlates-of-subliminally-presented-visual-sexual-stimuli
#2
Martina Wernicke, Corinna Hofter, Kirsten Jordan, Peter Fromberger, Peter Dechent, Jürgen L Müller
In the context of forensic psychiatry, it is crucial that diagnoses of deviant sexual interests are resistant to manipulation. In a first attempt to promote the development of such tools, the current fMRI study focusses on the examination of hemodynamic responses to preferred, in contrast to non-preferred, sexual stimuli with and without explicit sexual features in 24 healthy heterosexual subjects. The subliminal stimulus presentation of sexual stimuli could be a new approach to reduce vulnerability to manipulation...
January 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28107688/sequencing-and-de-novo-assembly-of-visceral-mass-transcriptome-of-the-critically-endangered-land-snail-satsuma-myomphala-annotation-and-ssr-discovery
#3
Se Won Kang, Bharat Bhusan Patnaik, Hee-Ju Hwang, So Young Park, Jong Min Chung, Dae Kwon Song, Hongray Howrelia Patnaik, Jae Bong Lee, Changmu Kim, Soonok Kim, Young-Su Park, Hong Seog Park, Seung-Hwan Park, Yeon Soo Han, Jun Sang Lee, Yong Seok Lee
Satsuma myomphala is critically endangered through loss of natural habitats, predation by natural enemies, and indiscriminate collection. It is a protected species in Korea but lacks genomic resources for an understanding of varied functional processes attributable to evolutionary success under natural habitats. For assessing the genetic information of S. myomphala, we performed for the first time, de novo transcriptome sequencing and functional annotation of expressed sequences using Illumina Next-Generation Sequencing (NGS) platform and bioinformatics analysis...
October 29, 2016: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28107686/a-novel-aptasensor-for-the-colorimetric-detection-of-s-typhimurium-based-on-gold-nanoparticles
#4
Xiaoyuan Ma, Liangjing Song, Nixin Zhou, Yu Xia, Zhouping Wang
A simple, fast and convenient colorimetric aptasensor was fabricated for the detection of Salmonella typhimurium (S. typhimurium) which was based on the color change effect of gold nanoparticles (GNPs). S. typhimurium is one of the most common causes of food-associated disease. Aptamers with specific recognition toward S. typhimurium was modified to the surface of prepared GNPs. They play a role for the protection of GNPs from aggregation toward high concentrations of NaCl. With the addition of S. typhimurium, aptamers preferably combined to S...
December 30, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28107684/non-invasive-brain-stimulation-targeting-the-right-fusiform-gyrus-selectively-increases-working-memory-for-faces
#5
Tad T Brunyé, Joseph M Moran, Amanda Holmes, Caroline R Mahoney, Holly A Taylor
The human extrastriate cortex contains a region critically involved in face detection and memory, the right fusiform gyrus. The present study evaluated whether transcranial direct current stimulation (tDCS) targeting this anatomical region would selectively influence memory for faces versus non-face objects (houses). Anodal tDCS targeted the right fusiform gyrus (Brodmann's Area 37), with the anode at electrode site PO10, and cathode at FP2. Two stimulation conditions were compared in a repeated-measures design: 0...
January 17, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28107682/happy-faces-sad-faces-emotion-understanding-in-toddlers-and-preschoolers-with-language-impairments
#6
Carolien Rieffe, Carin H Wiefferink
BACKGROUND: The capacity for emotion recognition and understanding is crucial for daily social functioning. We examined to what extent this capacity is impaired in young children with a Language Impairment (LI). In typical development, children learn to recognize emotions in faces and situations through social experiences and social learning. Children with LI have less access to these experiences and are therefore expected to fall behind their peers without LI. METHOD: In this study, 89 preschool children with LI and 202 children without LI (mean age 3 years and 10 months in both groups) were tested on three indices for facial emotion recognition (discrimination, identification, and attribution in emotion evoking situations)...
January 17, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28107510/effect-of-the-crystal-environment-on-side-chain-conformational-dynamics-in-cyanovirin-n-investigated-through-crystal-and-solution-molecular-dynamics-simulations
#7
Logan S Ahlstrom, Ivan I Vorontsov, Jun Shi, Osamu Miyashita
Side chains in protein crystal structures are essential for understanding biochemical processes such as catalysis and molecular recognition. However, crystal packing could influence side-chain conformation and dynamics, thus complicating functional interpretations of available experimental structures. Here we investigate the effect of crystal packing on side-chain conformational dynamics with crystal and solution molecular dynamics simulations using Cyanovirin-N as a model system. Side-chain ensembles for solvent-exposed residues obtained from simulation largely reflect the conformations observed in the X-ray structure...
2017: PloS One
https://www.readbyqxmd.com/read/28107361/dectin-3-is-not-required-for-protection-against-cryptococcus-neoformans-infection
#8
Althea Campuzano, Natalia Castro-Lopez, Karen L Wozniak, Chrissy M Leopold Wager, Floyd L Wormley
C-type lectin receptors (CLRs) are diverse, trans-membrane proteins that function as pattern recognition receptors (PRRs) which are necessary for orchestrating immune responses against pathogens. CLRs have been shown to play a major role in recognition and protection against fungal pathogens. Dectin-3 (also known as MCL, Clecsf8, or Clec4d) is a myeloid cell-specific CLR that recognizes mycobacterial trehalose 6,6'-dimycolate (TDM) as well as α-mannans present in the cell wall of fungal pathogens. To date, a potential role for Dectin-3 in the mediation of protective immune responses against C...
2017: PloS One
https://www.readbyqxmd.com/read/28107279/prevalence-and-risk-factors-for-symptoms-of-methotrexate-intolerance-in-pediatric-inflammatory-bowel-disease
#9
Claire Dupont-Lucas, Charlotte Grandjean-Blanchet, Bertrand Leduc, Martina Tripcovici, Christine Larocque, France Gervais, Prévost Jantchou, Devendra Amre, Colette Deslandres
BACKGROUND: Methotrexate (MTX) intolerance is defined as gastrointestinal and behavioral symptoms occurring before or after MTX administration that may lead to treatment discontinuation. The aim of this study was to determine prevalence of MTX intolerance in pediatric inflammatory bowel disease (IBD) using the Methotrexate Intolerance Severity Score developed in rheumatology and to identify risk factors for MTX intolerance. METHODS: Patients with pediatric IBD followed in the IBD clinic of Sainte Justine Hospital who had received MTX for IBD between 2004 and 2016 and were still actively on MTX were invited to fill out the Methotrexate Intolerance Severity Score questionnaire...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28107228/contribution-of-oxidative-stress-to-non-aids-events-in-hiv-infected-patients
#10
Mar Masiá, Sergio Padilla, Marta Fernández, Xavier Barber, Santiago Moreno, José Antonio Iribarren, Joaquín Portilla, Alejandro Peña, Francesc Vidal, Félix Gutiérrez
OBJECTIVE: Recognition of potentially modifiable mechanisms implicated in the pathogenesis of non-AIDS events (NAEs) might help improve outcomes of HIV-infected individuals. HIV infection has been associated with increased oxidative stress. We assessed the association between F2-isoprostanes and serious NAEs, and whether they improve the predictive performance of inflammation and coagulation biomarkers. METHODS: Prospective multicenter cohort. Individuals who had an incident serious NAE and two sex and age matched participants with no events were selected...
January 18, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28107152/physician-encounters-with-human-trafficking-legal-consequences-and-ethical-considerations
#11
Jonathan Todres
There is growing recognition and evidence that health care professionals regularly encounter-though they may not identify-victims of human trafficking in a variety of health care settings. Identifying and responding appropriately to trafficking victims or survivors requires not only training in trauma-informed care but also consideration of the legal and ethical issues that arise when serving this vulnerable population. This essay examines three areas of law that are relevant to this case scenario: criminal law, with a focus on conspiracy; service provider regulations, with a focus on mandatory reporting laws; and human rights law...
January 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28107135/recognition-intervention-and-management-of-digit-sucking-a-clinical-guide-for-the-general-dental-practitioner
#12
Ohsun Kwon, Paras Jiteshkumar Haria, Sheena Kotecha
Digit sucking is a common habit in young children, which if allowed to continue for a prolonged period, can adversely affect the development of the face and dental occlusion. Patients with digit sucking habits often present with an increased overjet, reduced overbite, anterior open bite, posterior crossbite and possible skeletal changes which can be challenging and costly to correct if the habit is not ceased in a timely manner. This article aims to provide guidance for general dental practitioners to recognise and appropriately manage patients with a digit sucking habit...
November 1, 2016: Primary Dental Journal
https://www.readbyqxmd.com/read/28106853/significant-change-spotting-for-periodic-human-motion-segmentation-of-cleaning-tasks-using-wearable-sensors
#13
Kai-Chun Liu, Chia-Tai Chan
The proportion of the aging population is rapidly increasing around the world, which will cause stress on society and healthcare systems. In recent years, advances in technology have created new opportunities for automatic activities of daily living (ADL) monitoring to improve the quality of life and provide adequate medical service for the elderly. Such automatic ADL monitoring requires reliable ADL information on a fine-grained level, especially for the status of interaction between body gestures and the environment in the real-world...
January 19, 2017: Sensors
https://www.readbyqxmd.com/read/28106835/highly-expression-of-cd11b-and-cd32-on-peripheral-blood-mononuclear-cells-from-patients-with-adult-onset-still-s-disease
#14
Hyoun-Ah Kim, Bunsoon Choi, Chang-Hee Suh, Mi Hwa Han, Ju-Yang Jung, Hasan M Sayeed, Ye Won Kim, Seonghyang Sohn
BACKGROUND: We investigated the potential role of several pattern-recognition receptors (PRRs; CD11b, CD11c, CD32, CD206, CD209, and dectin-1) in adult-onset Still's disease (AOSD). METHODS: The study included 13 untreated AOSD patients, 19 rheumatoid arthritis (RA) patients (as a disease control), and 19 healthy controls (HCs). The PRRs were quantified in peripheral blood using flow cytometry. The serum levels of interleukin-17 (IL-17), IL-18, and IL-23 were measured by enzyme-linked immunosorbent assay...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106806/uhf-signal-processing-and-pattern-recognition-of-partial-discharge-in-gas-insulated-switchgear-using-chromatic-methodology
#15
Xiaohua Wang, Xi Li, Mingzhe Rong, Dingli Xie, Dan Ding, Zhixiang Wang
The ultra-high frequency (UHF) method is widely used in insulation condition assessment. However, UHF signal processing algorithms are complicated and the size of the result is large, which hinders extracting features and recognizing partial discharge (PD) patterns. This article investigated the chromatic methodology that is novel in PD detection. The principle of chromatic methodologies in color science are introduced. The chromatic processing represents UHF signals sparsely. The UHF signals obtained from PD experiments were processed using chromatic methodology and characterized by three parameters in chromatic space (H, L, and S representing dominant wavelength, signal strength, and saturation, respectively)...
January 18, 2017: Sensors
https://www.readbyqxmd.com/read/28106805/synthetic-assembly-of-mannose-moieties-using-polymer-chemistry-and-the-biological-evaluation-of-its-interaction-towards-concanavalin-a
#16
Deepti Diwan, Kohei Shinkai, Toshihiro Tetsuka, Bin Cao, Hidenao Arai, Tetsuo Koyama, Ken Hatano, Koji Matsuoka
Protein-carbohydrate interactions exhibit myriad intracellular recognition events, so understanding and investigating their specific interaction with high selectivity and strength are of crucial importance. In order to examine the effect of multivalent binding on the specificity of protein-carbohydrate interactions, we synthesized mannose glycosides as a novel type of glycosylated monomer and glycopolymers of polyacrylamide derivatives with α-mannose (α-Man) by radical polymerization and monitored their strength of interaction with concanavalin A (Con A) by surface plasmon resonance (SPR) detection...
January 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106786/sulfolobus-acidocaldarius-udg-can-remove-du-from-the-rna-backbone-insight-into-the-specific-recognition-of-uracil-linked-with-deoxyribose
#17
Gang-Shun Yi, Wei-Wei Wang, Wei-Guo Cao, Feng-Ping Wang, Xi-Peng Liu
Sulfolobus acidocaldarius encodes family 4 and 5 uracil-DNA glycosylase (UDG). Two recombinant S. acidocaldarius UDGs (SacUDG) were prepared and biochemically characterized using oligonucleotides carrying a deaminated base. Both SacUDGs can remove deoxyuracil (dU) base from both double-stranded DNA and single-stranded DNA. Interestingly, they can remove U linked with deoxyribose from single-stranded RNA backbone, suggesting that the riboses on the backbone have less effect on the recognition of dU and hydrolysis of the C-N glycosidic bond...
January 18, 2017: Genes
https://www.readbyqxmd.com/read/28106717/air-embolism-diagnosis-clinical-management-and-outcomes
#18
Colin J McCarthy, Sasan Behravesh, Sailendra G Naidu, Rahmi Oklu
Air embolism is a rare but potentially fatal complication of surgical procedures. Rapid recognition and intervention is critical for reducing morbidity and mortality. We retrospectively characterized our experience with air embolism during medical procedures at a tertiary medical center. Electronic medical records were searched for all cases of air embolism over a 25-year period; relevant medical and imaging records were reviewed. Sixty-seven air embolism cases were identified; the mean age was 59 years (range, 3-89 years)...
January 17, 2017: Diagnostics
https://www.readbyqxmd.com/read/28106716/tracking-and-classification-of-in-air-hand-gesture-based-on-thermal-guided-joint-filter
#19
Seongwan Kim, Yuseok Ban, Sangyoun Lee
The research on hand gestures has attracted many image processing-related studies, as it intuitively conveys the intention of a human as it pertains to motional meaning. Various sensors have been used to exploit the advantages of different modalities for the extraction of important information conveyed by the hand gesture of a user. Although many works have focused on learning the benefits of thermal information from thermal cameras, most have focused on face recognition or human body detection, rather than hand gesture recognition...
January 17, 2017: Sensors
https://www.readbyqxmd.com/read/28106682/creating-a-culture-of-success-using-the-magnet-recognition-program%C3%A2-as-a-framework-to-engage-nurses-in-an-australian-healthcare-facility
#20
Sandra Moss, Marion Mitchell, Veronica Casey
An organizational culture that reflects distrust, fear of reprisal, reluctance to challenge the status quo, acceptance of poor practice, denial, and lack of accountability creates significant issues in healthcare in relation to employee retention, burnout, organizational commitment, and patient safety. Changing culture is one of the most challenging endeavors an organization will encounter. We highlight that the Magnet Recognition Program® can be implemented as an organizational intervention to positively impact on nursing workplace culture in an international healthcare facility...
February 2017: Journal of Nursing Administration
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