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https://www.readbyqxmd.com/read/28448405/gastric-heterotopic-pancreas-computed-tomography-with-clinicopathologic-correlation
#1
Nam Ju Lee, Ralph H Hruban, Elliot K Fishman
Asymptomatic heterotopic pancreas (HP) is benign and can be monitored long term without further intervention. Heterotopic pancreas is sometimes surgically resected because it can be difficult to distinguish HP from neoplastic submucosal masses such as gastrointestinal stromal tumors. Although it is not very common, HP should be considered in the differential diagnosis when diagnosing extramucosal gastric masses to avoid unnecessary intervention. We review gastric HP with pathologic correlation to help with diagnosing HP on computed tomography...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28447882/development-of-novel-amisulpride-loaded-solid-self-nanoemulsifying-tablets-preparation-and-pharmacokinetic-evaluation-in-rabbits
#2
Wael Gamal, Rania H Fahmy, Magdy I Mohamed
OBJECTIVE: the current investigation is focused on the formulation and in-vivo evaluation of optimized solid-self-nanoemulsifying drug delivery systems (S-SNEDDS) of amisulpride (AMS) for improving its oral dissolution and bioavailability. METHODS: liquid SNEDDS (L-SNEDDS) composed of Capryol™ 90 (oil), Cremophor® RH40 (surfactant) and Transcutol(®) HP (co-surfactant) were transformed to solid systems via physical adsorption onto magnesium aluminometasilicate (Neusilin US2)...
April 27, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28447878/development-of-novel-amisulpride-loaded-liquid-self-nanoemulsifying-drug-delivery-systems-via-dual-tackling-of-its-solubility-and-intestinal-permeability
#3
Wael Gamal, Rania H Fahmy, Magdy I Mohamed
OBJECTIVE: the aim of the current investigation was to enhance the oral biopharmaceutical behavior; solubility and intestinal permeability of amisulpride (AMS) via development of liquid self-nanoemulsifying drug delivery systems (L-SNEDDS) containing bioenhancing excipients. METHODS: the components of L-SNEDDS were identified via solubility studies and emulsification efficiency tests, and ternary phase diagrams were constructed to identify the efficient self-emulsification regions...
April 27, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28447606/a-tunable-high-pass-filter-for-simple-and-inexpensive-size-segregation-of-sub-10-nm-nanoparticles
#4
N C Surawski, S Bezantakos, K Barmpounis, M C Dallaston, A Schmidt-Ott, G Biskos
Recent advanced in the fields of nanotechnology and atmospheric sciences underline the increasing need for sizing sub-10-nm aerosol particles in a simple yet efficient way. In this article, we develop, experimentally test and model the performance of a High-Pass Electrical Mobility Filter (HP-EMF) that can be used for sizing nanoparticles suspended in gaseous media. Experimental measurements of the penetration of nanoparticles having diameters down to ca 1nm through the HP-EMF are compared with predictions by an analytic, a semi-empirical and a numerical model...
April 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28447591/non-crystallographic-symmetry-of-liquid-metal-flat-crystallographic-faults-and-polymorph-transformation-of-the-m7c3-carbide
#5
Alexander L Talis, Valentin S Kraposhin, Sergey Yu Kondrat'ev, Vladimir I Nikolaichik, Ekaterina V Svyatysheva, Ayal A Everstov
The fine lamellar fault structure of primary M7C3 carbide particles in the heat-resistant Fe-Cr-Ni-C alloy of the HP series (0.45C-25Cr-35Ni) in the cast condition has been revealed using transmission electron microscopy. The lamellar fault structure is regarded as an inheritance of the initial melt structure. A one-to-one correspondence between the crystal structures of M7C3, M5C2, M3C and M23C6 carbides and constructions of the projective 103 Desargues configuration and its subconfigurations is shown. Mutual mapping between 103 Desargues subconfigurations determines transformations of the ten-vertex equal-edged triangulated clusters appearing as building units of these carbides...
May 1, 2017: Acta Crystallographica. Section A, Foundations and Advances
https://www.readbyqxmd.com/read/28446944/protective-effects-of-proline-rich-peptide-in-a-rat-model-of-alzheimer-disease-an-electrophysiological-study
#6
Naser Khalaji, John Sarkissian, Vergine Chavushyan, Vaghinak Sarkisian
INTRODUCTION: Alzheimer disease (AD) is the most common form of dementia in the elderly that slowly destroys memory and cognitive functions. The disease has no cure and leads to significant structural and functional brain abnormalities. To facilitate the treatment of this disease, we aimed to investigate proline-rich peptide (PRP-1) action of hypothalamus on hippocampal (HP) neurons and dynamics of their recovery, after intracerebroventricular (ICV) injection of amyloid-β (Aβ). METHODS: Experiments were carried out on 24 adult, male Albino rats (average weight: 230±30 g)...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446032/the-effect-of-intravesical-liposome-based-ngf-antisense-therapy-on-bladder-overactivity-and-nociception-in-a-rat-model-of-cystitis-induced-by-hydrogen-peroxide
#7
Tsuyoshi Majima, Pradeep Tyagi, Koji Dogishi, Mahendra Kashyap, Yasuhito Funahashi, Momokazu Gotoh, Michael Chancellor, Naoki Yoshimura
Objective We investigated the effect of intravesical liposome-based NGF antisense therapy on bladder overactivity and nociception in a rat model of cystitis induced by hydrogen peroxide (HP). Study design, materials and methods 1) HP (1.5%) was administered into the bladder on day 0. Liposomes conjugated with NGF antisense oligonucleotide (OND) tagged with TYE563 fluorescent protein was given into the bladder on day 2. The expression of TYE563 was observed under a fluorescent microscope on day 3. 2) In another set of experiments, rats were divided into 4 groups: (a) sham- liposome group, (b) sham-OND group, (c) cystitis- liposome group and (d) cystitis-OND group...
April 27, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28445715/altered-somatosensory-cortex-neuronal-activity-in-a-rat-model-of-parkinson-s-disease-and-levodopa-induced-dyskinesias
#8
Mesbah Alam, Regina Rumpel, Xingxing Jin, Christof von Wrangel, Sarah Tschirner, Joachim K Krauss, Claudia Grothe, Andreas Ratzka, Kerstin Schwabe
Several findings support the concept that sensorimotor integration is disturbed in Parkinson's disease (PD) and in levodopa-induced dyskinesias. In this study, we explored the neuronal firing activity of excitatory pyramidal cells and inhibitory interneurons in the forelimb region of the primary somatosensory cortex (S1FL-Ctx), along with its interaction with oscillatory activity of the primary motor cortex (MCtx) in 6-hydroxydopamine lesioned hemiparkinsonian (HP) and levodopa-primed dyskinetic (HP-LID) rats as compared to controls under urethane (1...
April 23, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28445591/screening-endoscopy-finds-high-prevalence-of-helicobacter-pylori-and-intestinal-metaplasia-in-korean-american-with-limited-access-to-health-care
#9
Yanghee Woo, Carolyn E Behrendt, Garrick Trapp, Jae Geun Hyun, Tamas Gonda, Yuman Fong, Timothy Wang
BACKGROUND: Gastric cancer (GC) is the leading cause of cancer death among Korean Americans. Prevention and early detection is improved by screening. METHODS: Between September 2013 and March 2015, ethnic Koreans age 40 or older without history or symptoms of GC and without upper endoscopy (UE) during previous 3 years were enrolled. Participants were offered screening with GC risk assessment followed by UE with biopsies. RESULTS: Risk assessment was provided to 146 participants (age 55...
April 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28443121/hormonal-and-nutritional-features-in-contrasting-rootstock-mediated-tomato-growth-under-low-phosphorus-nutrition
#10
Cristina Martínez-Andújar, Juan M Ruiz-Lozano, Ian C Dodd, Alfonso Albacete, Francisco Pérez-Alfocea
Grafting provides a tool aimed to increase low-P stress tolerance of crops, however, little is known about the mechanism (s) by which rootstocks can confer resistance to P deprivation. In this study, 4 contrasting groups of rootstocks from different genetic backgrounds (Solanum lycopersicum var. cerasiforme and introgression and recombinant inbred lines derived from the wild relatives S. pennellii and S. pimpinellifolium) were grafted to a commercial F1 hybrid scion and cultivated under control (1 mM, c) and P deficient (0...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28442557/high-phosphate-induces-a-pro-inflammatory-response-by-vascular-smooth-muscle-cells-modulation-by-vitamin-d-derivatives
#11
Julio M Martínez-Moreno, Carmen Herencia, Addy Montes de Oca, Juan M Díaz-Tocados, Noemi Vergara, Mª José Gomez, Silvia D López-Argüello, Antonio Camargo, Esther Peralbo-Santaella, Maria E Rodríguez-Ortiz, Antonio Canalejo, Mariano Rodriguez, Juan J Muñoz-Castañeda, Yolanda Yolanda Almaden
In chronic kidney disease patients, high phosphate (HP) levels are associated to cardiovascular disease, the major cause of morbidity and mortality. Since serum phosphate has been independently correlated with inflammation, the present study aimed to investigate an independent direct effect of HP as a pro-inflammatory factor in VSMCs. A possible modulatory effect of vitamin D was also investigated. The study was performed in an in vitro model of human aortic smooth muscle cells (HASMCs). Incubation of cells in a HP (3...
April 25, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28442372/long-term-release-and-stability-of-pharmaceutical-proteins-delivered-from-solid-lipid-implants
#12
Moritz Vollrath, Julia Engert, Gerhard Winter
Solid lipid implants (SLIs) prepared by twin-screw (tsc) extrusion represent a promising technology platform for the sustained release of pharmaceutical proteins. In this work, we report on two aspects, long-term release and stability of released protein. First, SLIs were produced by tsc-extrusion containing the low melting triglyceride H12 and the high melting triglyceride Dynasan D118. Two different proteins available in a freeze-dried matrix containing hydroxypropyl-β-cyclodextrine (HP-β-CD) were incorporated into the lipid matrix: a monoclonal antibody (mAb) from the IgG1 class and the fab-fragment Ranibizumab (Lucentis(®))...
April 22, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28442195/changing-attitudes-about-spanking-among-conservative-christians-using-interventions-that-focus-on-empirical-research-evidence-and-progressive-biblical-interpretations
#13
Cindy Miller-Perrin, Robin Perrin
This study examined how interventions that include either empirical research evidence about spanking, progressive biblical interpretations, or both, affect attitudes and intentions about spanking. A sample of 129 college students (70% female; 30% male; Mage=19) attending a private, Christian university was randomly assigned to one of three intervention conditions: (1) Research Only, (2) Religion Only, or (3) Research and Religion. Four weeks prior to the intervention sessions, students completed a Demographic Form, the Religious Fundamentalism Scale, and the Attitudes Toward Spanking (ATS) scale...
April 22, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28441505/error-detection-based-model-to-assess-educational-outcomes-in-crisis-resource-management-training-a-pilot-study
#14
Sarah Bouhabel, Emily Kay-Rivest, Carol Nhan, Ilana Bank, Peter Nugus, Rachel Fisher, Lily Hp Nguyen
Otolaryngology-head and neck surgery (OTL-HNS) residents face a variety of difficult, high-stress situations, which may occur early in their training. Since these events occur infrequently, simulation-based learning has become an important part of residents' training and is already well established in fields such as anesthesia and emergency medicine. In the domain of OTL-HNS, it is gradually gaining in popularity. Crisis Resource Management (CRM), a program adapted from the aviation industry, aims to improve outcomes of crisis situations by attempting to mitigate human errors...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#15
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28439693/hyperplasia-and-the-degree-and-activity-of-inflammation-in-chronic-recurrent-tonsillitis-a-histopathological-study
#16
Jan Wittlinger, Petar Stankovic, Ulrike Girrbach, Tanja Gradistanac, Christian Güldner, Afshin Teymoortash, Stephan Hoch, Thomas Günzel, Thomas Wilhelm
Postoperative haemorrhage following tonsillectomy occurs in 5.98% of all cases with up to 10 deaths reported annually in Germany. When comparing tonsillectomy (TE) and tonsillotomy (TT), the same long-term frequency of ENT infections is displayed in children and young adults. However, taking postoperative haemorrhaging into account, TT is more favourable. Chronic tonsillitis is one of the most common indications for TE in the adult population; however, a histopathological characterization may reveal objective criteria and provide a foundation for routinely performing TT in adults too...
April 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28437508/comparative-evaluation-of-anesthetic-efficacy-of-2-lidocaine-4-articaine-and-0-5-bupivacaine-on-inferior-alveolar-nerve-block-in-patients-with-symptomatic-irreversible-pulpitis-a-prospective-randomized-double-blind-clinical-trial
#17
Vivek Aggarwal, Mamta Singla, Sanjay Miglani
AIMS: To compare the anesthetic efficacy of 1.8 mL of 2% lidocaine with 1:200,000 epinephrine, 4% articaine with 1:100,000 epinephrine, and 0.5% bupivacaine with 1:200,000 epinephrine on producing inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis. METHODS: A total of 91 adult patients who were actively experiencing mandibular molar pain were involved in this study. The patients were randomly divided into three groups on the basis of the anesthetic solution used...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28436713/modified-dextran-heparin-based-triggered-release-microspheres-for-cardiovascular-delivery-of-therapeutic-drugs-using-protamine-as-a-stimulus
#18
Hoai X Nguyen, Edgar A O'Rear
In this study, we describe the synthesis of an amine-modified acetalated dextran polymer which is combined with heparin (HP) as the basis for a novel controlled release system. Dextran-amine (DEXAM) conjugates, synthesized using reductive amination, were incorporated into DEXAM/HP microspheres. HP binds to positively charged ammonium ions of the DEXAM conjugates, contributing to the structural integrity of the microspheres. Crystal violet (CV) was encapsulated inside DEXAM/HP microspheres as a model drug to test the system...
April 24, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28436254/the-correlation-between-histological-gastritis-staging-olga-olgim-and-serum-pepsinogen-test-in-assessment-of-gastric-atrophy-intestinal-metaplasia-in-china
#19
Xiaoteng Wang, Bin Lu, Lina Meng, Yihong Fan, Shuo Zhang, Meng Li
BACKGROUND: Serum pepsinogen (PG) test, as an indicator of gastric mucosal atrophy, reflects the functional and morphologic status of gastric mucosal and it is suggested to serve as a useful predictive marker for patients with gastric cancer (GC). The available classifications of gastritis, known as the Operative Link on Gastritis Assessment (OLGA) and Operative Link on Gastritis Intestinal Metaplasia (OLGIM), integrating the severity and topography of atrophy/intestinal metaplasia (IM), have been gradually accepted and used in screening for GC in recent years...
April 22, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28436223/interconnected-hierarchically-porous-fe-n-codoped-carbon-nanofibers-as-efficient-oxygen-reduction-catalysts-for-zn-air-batteries
#20
Yingxuan Zhao, Qingxue Lai, Ya Wang, Junjie Zhu, Yan Yu Liang
Developing porous carbon-based no-precious metal catalysts towards oxygen reduction reaction (ORR) is a suitable approach to significantly reduce the costs of fuel cells or metal-air batteries. Herein, interconnected hierarchically porous carbon nanofibers simultaneously doped with nitrogen and iron (HP-Fe-N/CNFs) were fabricated by facile pyrolysis of polypyrrole coated electrospun polystyrene/FeCl3 fibers. The obtained carbon nanofibers present high specific surface area (569.6 m2 g-1) and large pore volume (1...
April 24, 2017: ACS Applied Materials & Interfaces
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