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https://www.readbyqxmd.com/read/28092747/ecological-control-line-a-decade-of-exploration-and-an-innovative-path-of-ecological-land-management-for-megacities-in-china
#1
Wuyang Hong, Chengyun Yang, Liuxin Chen, Fangfang Zhang, Shaoqing Shen, Renzhong Guo
Ecological control line is a system innovation in the field of ecological environment protection in China and it has become as an important strategy of national ecological protection. Ten years have passed since the first ecological control line in Shenzhen was delimited in 2005. This study examines the connotations of ecological control line and the current study status in China and abroad, and then takes a brief description about the delimitation background and existing problems of the ecological control line in Shenzhen...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28092609/horse-expert-an-aided-expert-system-for-diagnosing-horse-diseases
#2
H Qin, J Xiao, X Gao, H Wang
In contrast to the rapid development of the horse husbandry in China, the ability of horse veterinarians to diagnose diseases has not been improved and only a few domain experts have considerable expertise. At present, many expert systems have been developed for diseases diagnosis, but few for horse diseases diagnosis have been studied in depth. This paper presents the design and development of a computer-aided expert system for diagnosing horse diseases. We suggest an approach for diagnosis of horse diseases based on the analysis of diagnostic characteristics and the experiential knowledge of domain experts...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092434/3d-probed-lipid-dynamics-in-small-unilamellar-vesicles
#3
Meng-Hsuan Chao, Yen-Ting Lin, Namasivayam Dhenadhayalan, Hsin-Lung Lee, Hsin-Yen Lee, King-Chuen Lin
Single-molecule fluorescence correlation spectroscopy overcomes the resolution barrier of optical microscopy (10≈-20 nm) and is utilized to look into lipid dynamics in small unilamellar vesicles (SUVs; diameter < 100 nm). The fluorescence trajectories of lipid-like tracer 1,1'-dioctadecyl-3,3,3',3'-tetramethylindodicarbocyanine (DiD) in the membrane bilayers are acquired at a single-molecule level. The autocorrelation analysis yields the kinetic information on lipid organization, oxygen transport, and lateral diffusion in SUVs' membrane...
January 16, 2017: Small
https://www.readbyqxmd.com/read/28092251/-acute-appendicitis-surgical-and-non-surgical-treatment
#4
Luis Manuel Souza-Gallardo, José Luis Martínez-Ordaz
Appendicitis represents a common disease for the surgeon with a relative risk between 7-8%. It was thought that if more time passed between diagnosis and treatment, the risk for complications, such as perforation or abscess formation, was higher; nevertheless; the evolution is variable, making necessary the development of different strategies such as antibiotic use only, interval surgery or endoscopic treatment. The purpose of this study is to make a revision in the management of appendicitis comparing conservative and surgical treatment...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28091855/combining-dispersion-modelling-with-synoptic-patterns-to-understand-the-wind-borne-transport-into-the-uk-of-the-bluetongue-disease-vector
#5
Laura Burgin, Marie Ekström, Suraje Dessai
Bluetongue, an economically important animal disease, can be spread over long distances by carriage of insect vectors (Culicoides biting midges) on the wind. The weather conditions which influence the midge's flight are controlled by synoptic scale atmospheric circulations. A method is proposed that links wind-borne dispersion of the insects to synoptic circulation through the use of a dispersion model in combination with principal component analysis (PCA) and cluster analysis. We illustrate how to identify the main synoptic situations present during times of midge incursions into the UK from the European continent...
January 14, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28091362/epicutaneous-immunotherapy-for-the-treatment-of-peanut-allergy-in-children-and-young-adults
#6
Stacie M Jones, Scott H Sicherer, A Wesley Burks, Donald Y M Leung, Robert W Lindblad, Peter Dawson, Alice K Henning, M Cecilia Berin, David Chiang, Brian P Vickery, Robbie D Pesek, Christine B Cho, Wendy F Davidson, Marshall Plaut, Hugh A Sampson, Robert A Wood
BACKGROUND: Peanut allergy is common, life-threatening, and without therapeutic options. We evaluated peanut epicutaneous immunotherapy (EPIT) by using Viaskin Peanut for peanut allergy treatment. OBJECTIVE: We sought to evaluate the clinical, safety, and immunologic effects of EPIT for the treatment of peanut allergy. METHODS: In this multicenter, double-blind, randomized, placebo-controlled study, 74 participants with peanut allergy (ages 4-25 years) were treated with placebo (n = 25), Viaskin Peanut 100 μg (VP100; n = 24) or Viaskin Peanut 250 μg (VP250; n = 25; DBV Technologies, Montrouge, France)...
October 20, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28089962/mycoplasma-clearance-and-risk-analysis-in-a-model-bioprocess
#7
Julie Wang, Sarah Johnson, Matthew Brown, Scott Lute, Cyrus Agarabi, Alena Dabrazhynetskaya, Vladimir Chizhikov, Kurt Brorson
Mycoplasmas are a type of bacteria that lack cell walls and are occasional cell culture contaminants. In a biotechnology setting, because they can pass through 0.2 μm filters, mycoplasmas could pose a potential patient safety hazard if undetected contaminants from the production culture were not completely removed by downstream biotechnology manufacturing. In this study we investigated the ability of typical commercial monoclonal antibody (mAb) purification operations to clear and kill mycoplasmas, using Acholeplasma laidlawii as a model organism...
January 15, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28089887/ureteral-stone-diameter-on-computerized-tomography-coronal-reconstructions-is-clinically-important-and-underreported
#8
Mustafa Kadihasanoglu, Tracy Marien, Nicole L Miller
OBJECTIVES: The aim of this study is to compare the maximum stone diameter of ureteral stones in the coronal plane to the axial and determine the clinical significance of the coronal diameter. METHODS: A retrospective chart review was performed on patients seen in clinic between September 2013 and November 2015.Patients were included if they had a history of ureteral stone noted on CT performed with coronal reconstructions. Patients were excluded if they had multiple ureteral stones, history of upper urinary tract abnormalities, need for urgent intervention, or no follow-up...
January 12, 2017: Urology
https://www.readbyqxmd.com/read/28089874/mathematical-modelling-of-cell-layer-growth-in-a-hollow-fibre-bioreactor
#9
Lloyd A C Chapman, Jonathan P Whiteley, Helen M Byrne, Sarah L Waters, Rebecca J Shipley
Generating autologous tissue grafts of a clinically useful volume requires efficient and controlled expansion of cell populations harvested from patients. Hollow fibre bioreactors show promise as cell expansion devices, owing to their potential for scale-up. However, further research is required to establish how to specify appropriate hollow fibre bioreactor operating conditions for expanding different cell types. In this study we develop a simple model for the growth of a cell layer seeded on the outer surface of a single fibre in a perfused hollow fibre bioreactor...
January 12, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28089689/piecing-it-together-unraveling-the-elusive-structure-function-relationship-in-single-pass-membrane-receptors
#10
REVIEW
Christopher C Valley, Andrew K Lewis, Jonathan N Sachs
The challenge of crystallizing single-pass plasma membrane receptors has remained an obstacle to understanding the structural mechanisms that connect extracellular ligand binding to cytosolic activation. For example, the complex interplay between receptor oligomerization and conformational dynamics has been, historically, only inferred from static structures of isolated receptor domains. A fundamental challenge in the field of membrane receptor biology, then, has been to integrate experimentally observable dynamics of full-length receptors (e...
January 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28089666/mini-open-oblique-lumbar-interbody-fusion-olif-approach-for-multi-level-discectomy-and-fusion-involving-l5-s1-preliminary-experience
#11
Fahed Zairi, Tarek P Sunna, Harrison J Westwick, Alexander G Weil, Zhi Wang, Ghassan Boubez, Daniel Shedid
STUDY DESIGN: Technical description and single institution retrospective case series OBJECTIVE: Evaluate technical feasibility and evaluate complications of mini open retroperitoneal oblique lumbar interbody fusion (OLIF) at the L5-S1 level. SUMMARY OF BACKGROUND: The mini open retroperitoneal oblique lumbar interbody fusion (OLIF) approach was first described in 2012 as a surgical approach to achieve spinal fusion while limiting invasiveness of the exposure to the anterior lumbar spine...
January 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28089608/piloting-the-united-kingdom-prescribing-safety-assessment-with-pharmacist-prescribers-in-scotland
#12
Fiona Reid, Ailsa Power, Derek Stewart, Anne Watson, Leon Zlotos, Derna Campbell, Trudi McIntosh, Simon Maxwell
BACKGROUND: Prescribing is a complex task requiring considerable knowledge and skills. The Prescribing Safety Assessment (PSA) was developed by the British Pharmacological Society and the United Kingdom (UK) Medical Schools Council. Between February and June 2014, over 7000 final year medical students undertook the PSA, with an overall pass rate of 94%. Independent prescribing for suitably trained pharmacists was introduced in the UK in 2006. To date there has been little focus on any objective measures of prescribing safety...
January 6, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28089336/a-comparative-study-of-additive-and-subtractive-manufacturing-for-dental-restorations
#13
Eun-Jeong Bae, Il-Do Jeong, Woong-Chul Kim, Ji-Hwan Kim
STATEMENT OF PROBLEM: Digital systems have recently found widespread application in the fabrication of dental restorations. For the clinical assessment of dental restorations fabricated digitally, it is necessary to evaluate their accuracy. However, studies of the accuracy of inlay restorations fabricated with additive manufacturing are lacking. PURPOSE: The purpose of this in vitro study was to evaluate and compare the accuracy of inlay restorations fabricated by using recently introduced additive manufacturing with the accuracy of subtractive methods...
January 12, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28088840/evaluation-of-a-short-term-training-program-in-bedside-emergency-ultrasound-in-southwestern-tanzania
#14
Mark Shaffer, Heather A Brown, Chloé McCoy, Prosper Bashaka
OBJECTIVES: To evaluate the effect of a short-term training program in emergency ultrasound on physician skills and attitudes in southwestern Tanzania. METHODS: Eight registrar physicians at Mbeya Zonal Referral Hospital (Mbeya, Tanzania) underwent a 5-day course in bedside emergency ultrasound, focusing primarily on the focused assessment with sonography for trauma examination, including didactic sessions, practical sessions, and on-job training. The impact on ultrasound knowledge was assessed by pretest and posttest evaluations...
January 15, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28088808/shunt-surgery-in-idiopathic-intracranial-hypertension-aided-by-electromagnetic-navigation
#15
Elvis J Hermann, Manolis Polemikos, Hans E Heissler, Joachim K Krauss
BACKGROUND: Idiopathic intracranial hypertension (IIH) is characterized by increased cerebrospinal fluid (CSF) pressure and normal or slit ventricles. Lumboperitoneal shunting had been favored by many investigators for CSF diversion in IIH for decades; however, it has been associated with various side effects. Because of the small ventricular size adequate positioning of a ventricular catheter is challenging. OBJECTIVES: Here, we investigated the usefulness of electromagnetic (EM)-guided ventricular catheter placement for ventriculoperitoneal shunting in IIH...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28088677/the-relationship-between-children-s-sensitivity-to-dominant-and-non-dominant-patterns-of-lexical-stress-and-reading-accuracy
#16
Joanne Arciuli
This study reports on a new task for assessing children's sensitivity to lexical stress for words with different stress patterns and demonstrates that this task is useful in examining predictors of reading accuracy during the elementary years. In English, polysyllabic words beginning with a strong syllable exhibit the most common or dominant pattern of lexical stress (e.g., "coconut"), whereas polysyllabic words beginning with a weak syllable exhibit a less common non-dominant pattern (e.g., "banana"). The new Aliens Talking Underwater task assesses children's ability to match low-pass filtered recordings of words to pictures of objects...
January 12, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28088240/feasibility-of-an-altruistic-sperm-donation-program-in-canada-results-from-a-population-based-model
#17
Daria O'Reilly, James M Bowen, Kuhan Perampaladas, Riaz Qureshi, Feng Xie, Edward Hughes
BACKGROUND: Stringent donor-screening criteria and legislation prohibiting payment for donor gametes have contributed to the radical decline of donor insemination (DI) using sperm provided by Canadian men. Thus, many individuals rely on imported sperm. This paper examines the feasibility of an altruistic sperm donation (ASD) program to meet the needs of Canadians. METHODS: Using Canadian census data, published literature and expert opinions, two population-based, top-down mathematical models were developed to estimate the supply and demand for donor sperm and the feasibility of an ASD program...
January 14, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28087655/hagfish-houdinis-biomechanics-and-behavior-of-squeezing-through-small-openings
#18
Calli R Freedman, Douglas S Fudge
Hagfishes are able to squeeze through small openings to gain entry to crevices, burrows, hagfish traps, and carcasses, but little is known about how they do this, or what the limits of this ability are. The purpose of this study was to describe this ability, and to investigate possible mechanisms by which it is accomplished. We investigated the hypothesis that the passive movement of blood within a hagfish's flaccid subcutaneous sinus allows it to squeeze through narrow apertures that it would not be able to if it were turgid...
January 13, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28087410/repair-of-8-oxog-a-mismatches-by-the-mutyh-glycosylase-mechanism-metals-medicine
#19
REVIEW
Douglas M Banda, Nicole N Nuñez, Michael A Burnside, Katie M Bradshaw, Sheila S David
Reactive oxygen and nitrogen species (RONS) may infringe on the passing of pristine genetic information by inducing DNA inter- and intra-strand crosslinks, protein-DNA crosslinks, and chemical alterations to the sugar or base moieties of DNA. 8-Oxo-7,8-dihydroguanine (8-oxoG) is one of the most prevalent DNA lesions formed by RONS and is repaired through the base excision repair (BER) pathway involving the DNA repair glycosylases OGG1 and MUTYH in eukaryotes. MUTYH removes adenine (A) from 8-oxoG:A mispairs, thus mitigating the potential of G:C to T:A transversion mutations from occurring in the genome...
January 10, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28081502/quantitative-determinations-using-portable-raman-spectroscopy
#20
Chelliah V Navin, Chaitanya Tondepu, Roxana Toth, Latevi S Lawson, Jason D Rodriguez
A portable Raman spectrometer was used to develop chemometric models to determine percent (%) drug release and potency for 500mg ciprofloxacin HCl tablets. Parallel dissolution and chromatographic experiments were conducted alongside Raman experiments to assess and compare the performance and capabilities of portable Raman instruments in determining critical drug attributes. All batches tested passed the 30min dissolution specification and the Raman model for drug release was able to essentially reproduce the dissolution profiles obtained by ultraviolet spectroscopy at 276nm for all five batches of the 500mg ciprofloxacin tablets...
December 30, 2016: Journal of Pharmaceutical and Biomedical Analysis
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