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https://www.readbyqxmd.com/read/28103621/development-and-validation-of-a-training-module-on-the-use-of-acetic-acid-for-the-detection-of-barrett-s-neoplasia
#1
Fergus J Q Chedgy, Kesavan Kandiah, Hugh Barr, Simon Dwerryhouse, Balint Eross, Charles Gordon, Susi Green, Andy Li, James Brown, Gaius Longcroft-Wheaton, Pradeep Bhandari
Background and study aims Acetic acid chromoendoscopy (AAC) enhances the ability to correctly identify Barrett's neoplasia, and is increasingly used by both expert and nonexpert endoscopists. Despite its increasing use, there is no validated training strategy to achieve competence. The aims of our study were to develop a validated training tool in AAC-assisted lesion recognition, to assess endoscopists' baseline knowledge of AAC-assisted lesion recognition, and to evaluate the efficacy and impact of this training tool...
January 19, 2017: Endoscopy
https://www.readbyqxmd.com/read/28103555/robust-head-pose-estimation-based-on-partially-latent-mixture-of-linear-regressions
#2
Vincent Drouard, Radu Horaud, Antoine Deleforge, Sileye Ba, Georgios Evangelidis
Head-pose estimation has many applications, such as social event analysis, human-robot and human-computer interaction, driving assistance, and so forth. Head-pose estimation is challenging because it must cope with changing illumination conditions, variabilities in face orientation and in appearance, partial occlusions of facial landmarks, as well as bounding-box-to- face alignment errors. We propose tu use a mixture of linear regressions with partially-latent output. This regression method learns to map high-dimensional feature vectors (extracted from bounding boxes of faces) onto the joint space of head-pose angles and bounding-box shifts, such that they are robustly predicted in the presence of unobservable phenomena...
January 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28103545/a-multimodal-speech-capture-system-for-speech-rehabilitation-and-learning
#3
Nordine Sebkhi, Dhyey Desai, Mohammad Islam, Jun Lu, Kimberly Wilson, Maysam Ghovanloo
Speech-language pathologists (SLPs) are trained to correct articulation of people diagnosed with motor speech disorders by analyzing articulators' motion and assessing speech outcome while patients speak. To assist SLPs in this task, we are presenting the Multimodal Speech Capture System (MSCS) that records and displays kinematics of key speech articulators, the tongue and lips, along with voice, using unobtrusive methods. Collected speech modalities, tongue motion, lips gestures, and voice, are visualized not only in real-time to provide patients with instant feedback but also offline to allow SLPs to perform post-analysis of articulators' motion, particularly the tongue, with its prominent but hardly visible role in articulation...
January 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28103529/improving-osteogenesis-of-three-dimensional-porous-scaffold-based-on-mineralized-recombinant-human-like-collagen-via-mussel-inspired-polydopamine-and-effective-immobilization-of-bmp-2-derived-peptide
#4
Jing Zhou, Xiaodong Guo, Qixin Zheng, Yongchao Wu, Fuzai Cui, Bin Wu
An ideal bone substitute should be biocompatible, biodegradable, osteoinductive and osteoconductive. In our previous work, we fabricated a three-dimensional porous scaffold based on mineralized recombinant human-like collagen, nano-hydroxyapatite/recombinant human-like collagen/poly(lactic acid) (nHA/RHLC/PLA). Like other HA/collagen scaffolds, the nHA/RHLC/PLA scaffold lacked osteoinductive bioactivity. The purpose of the present study was to develop a polydopamine (pDA)-assisted BMP-2-derived peptide (designated as P24) surface modification strategy for improving the osteogenesis of the nHA/RHLC/PLA scaffold...
January 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28103510/exo-organoplasty-interventions-a-brief-review-of-past-present-and-future-directions-for-advance-heart-failure-management
#5
REVIEW
Waqas Nawaz, Farhan Ullah Khan, Muhammad Zahid Khan, Wang Gang, Mengqi Yang, Xiaoqian Liao, Li Zhang, Awais Ullah Ihsan, Amjad Khan, Lei Han, Xiaohui Zhou
Heart failure (HF) is a debilitating disease in which abnormal function of the heart leads to imbalance of blood demand to tissues and organs. The pathogenesis of HF is very complex and various factors can contribute including myocardial infarction, ischemia, hypertension and genetic cardiomyopathies. HF is the leading cause of death and its prevalence is expected to increase in parallel with the population age. Different kind of therapeutic approaches including lifestyle modification, medication and pacemakers are used for HF patients in NYHA I-III functional class...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28103500/thoracoscopic-surgery-in-the-prone-position-for-esophageal-cancer-in-patients-with-situs-inversus-totalis-a-report-of-two-cases
#6
Toru Nakano, Takashi Kamei, Yu Onodera, Naoto Ujiie, Noriaki Ohuchi
INTRODUCTION: Situs inversus totalis (SIT) is a rare congenital condition characterized by a complete transposition of thoracic and abdominal organs. Here, we present two successful cases of left thoracoscopic esophagectomy in the prone position for SIT-associated esophageal cancer. PRESENTATION OF CASE: Our first case was of an 82-year-old man who underwent a left thoracoscopic esophagectomy in the prone position, followed by hand-assisted laparoscopic gastric mobilization...
January 6, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28103425/efficient-synthesis-of-%C3%AE-galactosyl-oligosaccharides-using-a-mutant-bacteroides-thetaiotaomicron-retaining-%C3%AE-galactosidase-btgh97b
#7
Masayuki Okuyama, Kana Matsunaga, Ken-Ichi Watanabe, Keitaro Yamashita, Takayoshi Tagami, Asako Kikuchi, Min Ma, Patcharapa Klahan, Haruhide Mori, Min Yao, Atsuo Kimura
The preparation of a glycosynthase, a catalytic nucleophile mutant of a glycosidase, is a well-established strategy for the effective synthesis of glycosidic linkages. However, glycosynthases derived from α-glycosidases can give poor yields of desired products because they require generally unstable β-glycosyl fluoride donors. Here, we investigate a transglycosylation catalyzed by a catalytic nucleophile mutant derived from a glycoside hydrolase family (GH) 97 α-galactosidase, using more stable β-galactosyl azide and α-galactosyl fluoride donors...
January 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28103301/differences-in-beef-quality-between-angus-bos-taurus-taurus-and-nellore-bos-taurus-indicus-cattle-through-a-proteomic-and-phosphoproteomic-approach
#8
Rafael Torres de Souza Rodrigues, Mario Luiz Chizzotti, Camilo Elber Vital, Maria Cristina Baracat-Pereira, Edvaldo Barros, Karina Costa Busato, Rafael Aparecido Gomes, Márcio Machado Ladeira, Taiane da Silva Martins
Proteins are the major constituents of muscle and are key molecules regulating the metabolic changes during conversion of muscle to meat. Brazil is one of the largest exporters of beef and most Brazilian cattle are composed by zebu (Nellore) genotype. Bos indicus beef is generally leaner and tougher than Bos taurus such as Angus. The aim of this study was to compare the muscle proteomic and phosphoproteomic profile of Angus and Nellore. Seven animals of each breed previously subjected the same growth management were confined for 84 days...
2017: PloS One
https://www.readbyqxmd.com/read/28103251/active-hydrogen-bond-network-ahbn-and-applications-for-improvement-of-thermal-stability-and-ph-sensitivity-of-pullulanase-from-bacillus-naganoensis
#9
Qing-Yan Wang, Neng-Zhong Xie, Qi-Shi Du, Yan Qin, Jian-Xiu Li, Jian-Zong Meng, Ri-Bo Huang
A method, so called "active hydrogen bond network" (AHBN), is proposed for site-directed mutations of hydrolytic enzymes. In an enzyme the AHBN consists of the active residues, functional residues, and conservative water molecules, which are connected by hydrogen bonds, forming a three dimensional network. In the catalysis hydrolytic reactions of hydrolytic enzymes AHBN is responsible for the transportation of protons and water molecules, and maintaining the active and dynamic structures of enzymes. The AHBN of pullulanase BNPulA324 from Bacillus naganoensis was constructed based on a homologous model structure using Swiss Model Protein-modeling Server according to the template structure of pullulanase BAPulA (2WAN)...
2017: PloS One
https://www.readbyqxmd.com/read/28103143/video-assisted-thoracic-surgical-lobectomy-for-lung-cancer-description-of-a-learning-curve
#10
Fei Yao, Jian Wang, Ju Yao, Fangrong Hang, Shiqi Cao, Yongke Cao
BACKGROUND: Video-assisted thoracic surgical (VATS) lobectomy is gaining popularity in the treatment of lung cancer. The aim of this study is to investigate the learning curve of VATS lobectomy by using multidimensional methods and to compare the learning curve groups with respect to perioperative clinical outcomes. METHODS: We retrospectively reviewed a prospective database to identify 67 consecutive patients who underwent VATS lobectomy for lung cancer by a single surgeon...
January 19, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28103120/compassionate-options-for-pediatric-ems-cope-addressing-communication-skills
#11
Aaron W Calhoun, Erica R H Sutton, Anita P Barbee, Beth McClure, Carrie Bohnert, Richard Forest, Peter Taillac, Mary E Fallat
INTRODUCTION: Each year, 16,000 children suffer cardiopulmonary arrest, and in one urban study, 2% of pediatric EMS calls were attributed to pediatric arrests. This indicates a need for enhanced educational options for prehospital providers that address how to communicate to families in these difficult situations. In response, our team developed a cellular phone digital application (app) designed to assist EMS providers in self-debriefing these events, thereby improving their communication skills...
January 19, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28103061/cardiometabolic-mortality-by-supplemental-nutrition-assistance-program-participation-and-eligibility-in-the-united-states
#12
Zach Conrad, Colin D Rehm, Parke Wilde, Dariush Mozaffarian
OBJECTIVES: To investigate total and cause-specific cardiometabolic mortality among Supplemental Nutrition Assistance Program (SNAP) participants, SNAP-eligible nonparticipants, and SNAP-ineligible individuals overall and by age, gender, race/ethnicity, and other characteristics. METHODS: We performed a prospective study with nationally representative survey data from the National Health Interview Survey (2000-2009), merged with subsequent Public-Use Linked Mortality Files (2000-2011)...
January 19, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28103049/controlling-kink-geometry-in-nanowires-fabricated-by-alternating-metal-assisted-chemical-etching
#13
Yun Chen, Liyi Li, Cheng Zhang, Chia-Chi Tuan, Xin Chen, Jian Gao, Ching-Ping Wong
Kinked silicon (Si) nanowires (NWs) have many special properties that make them attractive for a number of applications, such as microfluidics devices, microelectronic devices, and biosensors. However, fabricating NWs with controlled 3D geometry has been challenging. In this work, a novel method called alternating metal-assisted chemical etching, or alternating MACE, is reported for the fabrication of kinked Si NWs with controlled 3D geometry. By the use of multiple etchants with carefully selected composition, one can control the number of kinks, their locations, and their angles by controlling the number of etchant alternations and the time in each etchant...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28103043/understanding-self-catalyzed-epitaxial-growth-of-iii-v-nanowires-towards-controlled-synthesis
#14
Yunlong Zi, Sergey Suslov, Chen Yang
Self-catalyzed growth of III-V nanowires has drawn plenty of attention due to the potentials of integration in current Si-based technologies. The homoparticle-assisted vapor-liquid-solid growth mechanism has been demonstrated for self-catalyzed III-V nanowire growth. However, the understandings of the preferred growth sites of these nanowires are still limited, which obstructs the controlled synthesis and the applications of self-catalyzed nanowire arrays. Here we experimentally demonstrated that thermally created pits could serve as the preferred sites for self-catalyzed InAs nanowire growth...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28103027/isolation-colonization-and-chlorpyrifos-degradation-mediation-of-the-endophytic-bacterium-sphingomonas-strain-hjy-in-chinese-chive-allium-tuberosum
#15
Fayun Feng, Jing Ge, Yisong Li, Jinjin Cheng, Jianfeng Zhong, Xiangyang Yu
The interaction of endophyte-plant can benefit the host in many different ways. An endophytic bacterium strain (HJY) capable of degrading chlorpyrifos (CP) was isolated from Chinese chives (Allium tuberosum Rottl. ex Spreng). The isolated bacterium HJY classified as Sphingomonas sp. Strain HJY could use chlorpyrifos as the sole carbon source. After being marked with the gfp gene, the colonization and distribution of strain HJY-gfp was directly observed in different tissues of Chinese chives with confocal laser scanning microscope...
January 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28103024/hexacarbonyls-of-mo-w-and-sg-metal-co-bonding-revisited
#16
Miroslav Iliaš, Valeria Pershina
Calculations of the first bond dissociation energies (FBDEs) and other molecular properties of M(CO)6, where M = Mo, W, and Sg, have been performed using a variety of nonrelativistic and relativistic methods, such as ZORA-DFT, X2c+AMFI-CCSD(T), and Dirac-Coulomb density functional theory. The aim of the study is to assist experiments on the measurements of the FBDE of Sg(CO)6. We have found that, different from the results published earlier, the metal-CO bond in Sg(CO)6 should be weaker than that in W(CO)6...
January 19, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28103000/fertility-counseling-and-treatment-for-certain-veterans-and-spouses-interim-final-rule
#17
(no author information available yet)
The Department of Veterans Affairs (VA) amends its regulation regarding fertility counseling and treatment available to certain veterans and spouses. VA currently provides certain infertility services other than in vitro fertilization (IVF) to veterans as part of the medical benefits package. IVF is the process of fertilization by manually fertilizing an egg, and then transferring the embryo to the uterus. This interim final rulemaking adds a new section authorizing IVF for a veteran with a service-connected disability that results in the inability of the veteran to procreate without the use of fertility treatment...
19, 2017: Federal Register
https://www.readbyqxmd.com/read/28102999/recognition-of-tribal-organizations-for-representation-of-va-claimants-final-rule
#18
(no author information available yet)
The Department of Veterans Affairs (VA) is amending its regulations concerning recognition of certain national, State, and regional or local organizations for purposes of VA claims representation. Specifically, this rulemaking allows the Secretary to recognize tribal organizations in a similar manner as the Secretary recognizes State organizations. The final rule allows a tribal organization that is established and funded by one or more tribal governments to be recognized for the purpose of providing assistance on VA benefit claims...
19, 2017: Federal Register
https://www.readbyqxmd.com/read/28102982/requirements-for-notification-evaluation-and-reduction-of-lead-based-paint-hazards-in-federally-owned-residential-property-and-housing-receiving-federal-assistance-response-to-elevated-blood-lead-levels-final-rule
#19
(no author information available yet)
This final rule amends HUD's lead-based paint regulations to reduce blood lead levels in children under age six (6) who reside in federally-owned or -assisted pre-1978 housing, formally adopting a revised definition of "elevated blood lead level" (EBLL) in children under the age of six (6), in accordance with Centers for Disease Control and Prevention (CDC) guidance. It also establishes more comprehensive testing and evaluation procedures for the housing where such children reside. This final rule also addresses certain additional elements of the CDC guidance pertaining to assisted housing and makes technical corrections and clarifications...
13, 2017: Federal Register
https://www.readbyqxmd.com/read/28102968/thoracic-ultrasound-recognition-of-competence-a-position-paper-of-the-thoracic-society-of-australia-and-new-zealand
#20
Jonathan P Williamson, Scott H Twaddell, Y C Gary Lee, Matthew Salamonsen, Mark Hew, David Fielding, Phan Nguyen, Daniel Steinfort, Peter Hopkins, Nicola Smith, Christopher Grainge
The ability to perform bedside thoracic ultrasound is increasingly recognized as an essential skill for thoracic clinicians, extending the clinical examination and aiding diagnostic and therapeutic procedures. Thoracic ultrasound reduces complications and increases success rates when used prior to thoracentesis or intercostal chest tube insertion. It is increasingly difficult to defend performing these procedures without real or near-real time image guidance. To assist thoracic physicians and others achieve and demonstrate thoracic ultrasound competence, the Interventional Pulmonology Special Interest Group (IP-SIG) of the Thoracic Society of Australia and New Zealand (TSANZ) has developed a new pathway with four components: (i) completion of an approved thoracic ultrasound theory and hands-on teaching course...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
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