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https://www.readbyqxmd.com/read/28729782/holding-strength-of-suture-an-experimental-study-using-porcine-kidney
#1
Ünsal Özkuvanci, Haluk Akpinar, Mert Ali Karadag, Muhammet İrfan Dönmez, Fatih Altunrende
BACKGROUND AND OBJECTIVES: The search for the perfect suture is going on and has resulted in the introduction of many different suture types into the market. The purpose of this study is to investigate the holding strength (HS) of different sutures in the renal parenchyma in an experimental study on pig kidneys. METHODS: The HS that caused sliding of the suture was investigated in 5 adult porcine kidneys with 7 suture variants. HS-caused tearing of the kidney was investigated with 3 suture types on 5 kidneys...
July 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28728281/-a-cross-sectional-study-of-cataract-in-residents-with-type-2-diabetes-living-in-xinjing-town-shanghai
#2
B J Zhu, X R Zou, Y Xu, X L Bai, M Lu, Y Y Ma, L N Lu, J F Zhu, H D Zou, X Xu
Objective: To investigate the prevalence, subtypes and risk factors of cataract in type 2 diabetic individuals. Methods: Geographically defined cluster sampling method was used in this population-based, cross-sectional study. There were 7 756 type 2 diabetes individuals in Xinjing Town with a residential population of 88 864. The type 2 diabetic individuals were randomly selected from 20 basic sample units in Xinjing Town of Changning District from April to June 2016. All participants received visual acuity measurement and eye examination...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28724102/impact-of-biochar-organic-and-inorganic-carbon-on-soil-co2-and-n2o-emissions
#3
Rivka B Fidel, David A Laird, Timothy B Parkin
Biochar has been shown to influence soil CO and NO emissions following application to soil, but the presence of carbonates in biochars has largely confounded efforts to differentiate among labile and recalcitrant C pools in biochar and establish their timeframe of influence. Understanding the mechanism, magnitude, and duration of biochar C pools' influence on C and N dynamics is imperative to successful implementation of biochar for C sequestration. Here we therefore aim to assess biochar organic and inorganic C pool impacts on CO and NO emissions from soil amended with two untreated biochars, inorganic carbon (as NaCO), acid (HCl) and bicarbonate (NaHCO) extracts of the biochars, and acid and bicarbonate/acid-washed biochars during a 140-d soil incubation...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28722051/holographic-microscope-slide-in-a-spatio-temporal-imaging-modality-for-reliable-3d-cell-counting
#4
Biagio Mandracchia, Vittorio Bianco, Zhe Wang, Martina Mugnano, Alessia Bramanti, Melania Paturzo, Pietro Ferraro
In the current trend of miniaturization and simplification of imaging flow cytometry, Lab-on-a-Chip (LoC) microfluidic devices represent an innovative and cost-effective solution. In this framework, we propose for the first time a novel platform based on the compactness of a holographic microscope slide (HMS) in combination with the new computational features of space-time digital holography (STDH) that uses a 1D linear sensor array (LSA) instead of 2D CCD or CMOS cameras to respond to real diagnostic needs...
July 19, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28720183/g-loc-warning-algorithms-based-on-emg-features-of-the-gastrocnemius-muscle
#5
Sungho Kim, Taehwan Cho, Yongkyun Lee, Hyojin Koo, Booyong Choi, Dongsoo Kim
BACKGROUND: G-induced loss of consciousness (G-LOC) is mainly caused by failure to sustain an oxygenated blood supply to the pilot's brain because of the sudden acceleration in the direction of the +Gz axis, and is considered a critical safety issue. The purpose of this study was to develop G-LOC warning algorithms based on monitoring electromyograms (EMG) of the gastrocnemius muscle on the calf. METHODS: EMG data was retrieved from a total of 67 pilots and pilot trainees of the Korean Air Force during high-G training on a human centrifugal simulator...
August 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28714097/a-randomized-comparative-pilot-trial-of-family-based-interpersonal-psychotherapy-for-reducing-psychosocial-symptoms-disordered-eating-and-excess-weight-gain-in-at-risk-preadolescents-with-loss-of-control-eating
#6
Lauren B Shomaker, Marian Tanofsky-Kraff, Camden E Matherne, Rim D Mehari, Cara H Olsen, Shannon E Marwitz, Jennifer L Bakalar, Lisa M Ranzenhofer, Nichole R Kelly, Natasha A Schvey, Natasha L Burke, Omni Cassidy, Sheila M Brady, Laura J Dietz, Denise E Wilfley, Susan Z Yanovski, Jack A Yanovski
OBJECTIVE: Preadolescent loss-of-control-eating (LOC-eating) is a risk factor for excess weight gain and binge-eating-disorder. We evaluated feasibility and acceptability of a preventive family-based interpersonal psychotherapy (FB-IPT) program. FB-IPT was compared to family-based health education (FB-HE) to evaluate changes in children's psychosocial functioning, LOC-eating, and body mass. METHOD: A randomized, controlled pilot trial was conducted with 29 children, 8 to 13 years who had overweight/obesity and LOC-eating...
July 17, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28702735/is-the-extrastriate-body-area-part-of-the-dorsal-visuomotor-stream
#7
Marius Zimmermann, Rogier B Mars, Floris P de Lange, Ivan Toni, Lennart Verhagen
The extrastriate body area (EBA) processes visual information about body parts, and it is considered one among a series of category-specific perceptual modules distributed across the occipito-temporal cortex. However, recent evidence raises the possibility that EBA might also provide an interface between perception and action, linking the ventral and dorsal streams of visual information processing. Here, we assess anatomical evidence supporting this possibility. We localise EBA in individual subjects using a perceptual task and compare the characteristics of its functional and structural connectivity to those of two perceptual areas, the lateral occipital complex (LOC) and the fusiform body area (FBA), separately for each hemisphere...
July 12, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28698531/microfluidic-platform-for-the-long-term-on-chip-cultivation-of-mammalian-cells-for-lab-on-a-chip-applications
#8
Frank Bunge, Sander van den Driesche, Michael J Vellekoop
Lab-on-a-Chip (LoC) applications for the long-term analysis of mammalian cells are still very rare due to the lack of convenient cell cultivation devices. The difficulties are the integration of suitable supply structures, the need of expensive equipment like an incubator and sophisticated pumps as well as the choice of material. The presented device is made out of hard, but non-cytotoxic materials (silicon and glass) and contains two vertical arranged membranes out of hydrogel. The porous membranes are used to separate the culture chamber from two supply channels for gases and nutrients...
July 10, 2017: Sensors
https://www.readbyqxmd.com/read/28695968/robotic-assisted-radical-prostatectomy-with-the-use-of-barbed-sutures
#9
Angelo Porreca, Antonio Salvaggio, Matteo Dandrea, Emanuele Cappa, Alessio Zuccala, Alessandro Del Rosso, Daniele D'Agostino
OBJECTIVES: The aim of this study is to analyze the principal advantages of posterior muscolo-fascial reconstruction using knotless barbed sutures (BS) during robot-assisted radical prostatectomy (RARP). MATERIALS AND METHODS: We analyzed the available evidence regarding the efficacy and safety of principal BS (Quill™ SRS Angiotech Pharmaceuticals Inc., Vancouver, Canada; V-Loc™ Medtronic, Dublin, Ireland; STRATAFIX™ Ethicon Inc., Somerville, New Jersey; Filbloc® Assut Europe S...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28692007/can-an-internal-locus-of-control-and-social-support-reduce-work-related-levels-of-stress-and-strain-a-comparative-study-between-spanish-owners-and-managers
#10
Antonio Ariza-Montes, Antonio L Leal-Rodríguez, Lucía Rodríguez-Félix, Gema Albort-Morant
OBJECTIVE: The aim of this article is to assess the role played by both individual and contextual factors in reducing the manager's levels of stress and strain within the workplace setting. This article also highlights the manager's locus of control (LOC) as an internal factor and emphasizes the social support variable as a contextual factor. METHODS: We use a sample of 332 respondents belonging to Spanish manufacturing and services firms and a structural equation modeling technique (partial least squares path modeling)...
July 6, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28683170/noradrenergic-modulation-of-gonadotropin-inhibitory-hormone-gene-expression-in-the-brain-of-japanese-quail
#11
Yasuko Tobari, Norio Kansaku, Kazuyoshi Tsutsui
Gonadotropin-inhibitory hormone (GnIH) is a hypothalamic neuropeptide that inhibits gonadotropin synthesis and release in birds and mammals. In Japanese quail, GnIH neurons express the noradrenergic receptor and receive noradrenergic innervation. Treatment with noradrenaline (NA) stimulates GnIH release from diencephalic tissue blocks in vitro. However, the effects of NA on hypothalamic GnIH gene expression have not been determined. We investigated noradrenergic regulation of GnIH gene expression in the brain of male quail using the selective noradrenergic neurotoxin N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine hydrochloride (DSP-4)...
July 6, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28675709/posttraumatic-stress-disorder-following-asthma-attack-the-role-of-agency-beliefs-in-mediating-psychiatric-morbidity
#12
Ernest H Wagner, Mark Hoelterhoff, Man Cheung Chung
BACKGROUND: The link between serious illness and subsequent posttraumatic stress disorder (PTSD) and psychiatric comorbidity has been established. In populations with asthma, however, few studies have investigated this link, or what psychological mechanisms mediate it. Healthcare guidance for chronic conditions, and PTSD literature, highlight "agency beliefs" as a direction for investigation. AIMS: To determine the prevalence of PTSD following asthma attack, and investigate whether agency beliefs mediate PTSD and comorbid psychiatric symptoms in this population...
July 4, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28673852/effective-encapsulation-and-biological-activity-of-phosphorylated-chemotherapeutics-in-calcium-phosphosilicate-nanoparticles-for-the-treatment-of-pancreatic-cancer
#13
Welley S Loc, Samuel S Linton, Zachary R Wilczynski, Gail L Matters, Christopher O McGovern, Thomas Abraham, Todd Fox, Christopher M Gigliotti, Xiaomeng Tang, Amra Tabakovic, Jo Ann Martin, Gary A Clawson, Jill P Smith, Peter J Butler, Mark Kester, James H Adair
Drug resistant cancers like pancreatic ductal adenocarcinoma (PDAC) are difficult to treat, and nanoparticle drug delivery systems can overcome some of the limitations of conventional systemic chemotherapy. In this study, we demonstrate that FdUMP and dFdCMP, the bioactive, phosphorylated metabolites of the chemotherapy drugs 5-FU and gemcitabine, can be encapsulated into calcium phosphosilicate nanoparticles (CPSNPs). The non-phosphorylated drug analogs were not well encapsulated by CPSNPs, suggesting the phosphate modification is essential for effective encapsulation...
July 1, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28673505/the-first-sign-of-loss-of-consciousness
#14
B S Typ Whinnery, Estrella M Forster
The first clinically observable sign of an unconsciousness episode (UNCE) serves as the temporal sequence (kinetics) onset point for neurological events occurring during the loss of consciousness, unconsciousness and recovery of consciousness phases of the UNCE. The initial neurologic signs of 212 individuals exposed to gradual (N=114) and rapid (N=98) onset +Gz acceleration stress, inducing the ischemic LOC phase in 83.3±18.6s and 8.89±1.52s; p<0.001respectively, were determined. The duration of the unconscious phase (considered absolute incapacitation) was 10...
June 30, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28665008/understanding-how-coping-strategies-and-quality-of-life-maintain-hope-in-patients-deliberating-phase-i-trial-participation
#15
Diane A van der Biessen, Peer G van der Helm, Dennis Klein, Simone van der Burg, Ron H Mathijssen, Martijn P Lolkema, Maja J de Jonge
OBJECTIVE: This study aimed to understand how hope and motivation of patients considering phase-I trial participation are affected by psychological factors such as coping strategies and locus of control (LoC), and general well-being as measured by the quality of life (QoL). METHODS: An exploratory cross-sectional study was performed in patients with incurable cancer (N=135) referred to our phase-I unit for the first time. Patients were potentially eligible for phase-I trial participation and participated in our study while deliberating phase-I trial participation...
June 30, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28655133/the-effect-of-traumatic-brain-injury-history-with-loss-of-consciousness-on-rate-of-cognitive-decline-among-older-adults-with-normal-cognition-and-alzheimer-s-disease-dementia
#16
Yorghos Tripodis, Michael L Alosco, Nikolaos Zirogiannis, Brandon E Gavett, Christine Chaisson, Brett Martin, Michael D McClean, Jesse Mez, Neil Kowall, Robert A Stern
Traumatic brain injury (TBI) is thought to be a risk factor for dementia, including dementia due to Alzheimer's disease (AD). However, the influence of TBI history on the neuropsychological course of AD is unknown and, more broadly, the effect of TBI history on age-related cognitive change is poorly understood. We examined the relationship between history of TBI with loss of consciousness (LOC) history and cognitive change in participants with normal cognition and probable AD, stratified by APOEɛ4 allele status...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28654884/specific-and-selective-probes-for-staphylococcus-aureus-from-phage-displayed-random-peptide-libraries
#17
Laura M De Plano, Santina Carnazza, Grazia M L Messina, Maria Giovanna Rizzo, Giovanni Marletta, Salvatore P P Guglielmino
Staphylococcus aureus is a major human pathogen causing health care-associated and community-associated infections. Early diagnosis is essential to prevent disease progression and to reduce complications that can be serious. In this study, we selected, from a 9-mer phage peptide library, a phage clone displaying peptide capable of specific binding to S. aureus cell surface, namely St.au9IVS5 (sequence peptide RVRSAPSSS).The ability of the isolated phage clone to interact specifically with S. aureus and the efficacy of its bacteria-binding properties were established by using enzyme linked immune-sorbent assay (ELISA)...
June 17, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28654066/a-mouse-model-of-single-and-repetitive-mild-traumatic-brain-injury
#18
Bevan S Main, Stephanie S Sloley, Sonia Villapol, David N Zapple, Mark P Burns
Mild Traumatic Brain Injury (mTBI) can result in the acute loss of brain function, including a period of confusion, a loss of consciousness (LOC), focal neurological deficits and even amnesia. Athletes participating in contact sports are at high risk of exposure to large number of mTBIs. In terms of the level of injury in a sporting athlete, a mTBI is defined as a mild injury that does not cause gross pathological changes, but does cause short-term neurological deficits that are spontaneously resolved. Despite previous attempts to model mTBI in mice and rats, many have reported gross adverse effects including skull fractures, intracerebral bleeding, axonal injury and neuronal cell death...
June 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28653195/effects-of-residue-incorporation-and-plant-growth-on-soil-labile-organic-carbon-and-microbial-function-and-community-composition-under-two-soil-moisture-levels
#19
Zengqiang Li, Bingzi Zhao, Xiying Hao, Jiabao Zhang
This study investigates the effects of residue incorporation coupled with plant growth and soil moisture level on wheat biomasses, soil nutrients, labile organic carbon (LOC), microbial metabolic profiles, and community composition. Four management practices were used in a 180-day pot experiment: (1) control (CON), (2) maize (Zea mays L.) residue incorporation without plants (MR), (3) wheat (Triticum aestivum L.) plants without maize residue (WP), and (4) maize residue incorporation with wheat plants (MRWPs)...
June 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28652162/holding-strength-of-a-hem-o-lok-lapra-ty-clip-combination-on-sutures-used-during-partial-nephrectomy
#20
Bikal Paka, Robert Bossemeyer, Mouafak Tourojman, Ruchir Gupta, Brian R Lane
OBJECTIVE: To investigate the anti-slip strength of closing systems employing sutures terminated with a Hem-o-Lok®/Lapra-Ty® clip combination to determine which sutures perform best for this application. Partial nephrectomy (PN) is the reference standard for treatment of small renal masses. The main disadvantage of PN is the risk of technical complications, including renorrhaphy site bleeding and urine leak. MATERIALS AND METHODS: A materials testing system produced a constant velocity pull on the free end of an anchored suture...
June 23, 2017: Urology
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