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https://www.readbyqxmd.com/read/29786931/real-time-monitoring-of-prodrug-activation-by-direct-mode-of-chemiluminescence
#1
Doron Shabat, Samer Gnaim, Anna Scomparin, Sayantan Das, Ronit Satchi-Fainaro
The majority of theranostic prodrugs reported so far relay information through a fluorogenic response generated upon release of the active chemotherapeutic agent. A chemiluminescence detection mode offers significant advantages over fluorescence, mainly due to the superior signal-to-noise ratio of chemiluminescence. Here we report the design and synthesis of the first theranostic prodrug monitored by a chemiluminescence diagnostic mode. As a representative model we prepared a prodrug from the chemotherapeutic monomethyl auristatin E designed for activation by β-galactosidase...
May 22, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29786907/simulation-of-the-degradation-of-cyclic-ketene-acetal-and-vinyl-based-copolymers-synthesized-via-a-radical-process-influence-of-the-reactivity-ratios-on-the-degradability-properties
#2
Didier Gigmes, Paul H M Van Steenberge, Didier Siri, Dagmar R D'hooge, Yohann Guillaneuf, Catherine Lefay
The radical copolymerization of vinyl and cyclic ketene acetal (CKA) monomers is a promising way to prepare degradable vinyl polymers. The reactivity of the comonomer pair is known to be dependent of the vinyl monomer structure that requires to play with experimental conditions (feed ratio, overall monomer conversion, etc.) to target a desired cumulative (average) copolymer composition. Even if the materials are completely degradable, there is no information about the homogeneity of the degraded products. This theoretical study, using kinetic Monte Carlo simulations, allows simulating degradation at the molecular level...
May 22, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29786900/avian-demographic-responses-to-drought-and-fire-a-community-level-perspective
#3
James F Saracco, Stephen M Fettig, George L San Miguel, David W Mehlman, Steven K Albert
Drought stress is an important consideration for wildlife in arid and semi-arid regions under climate change. Drought can impact plant and animal populations directly, through effects on their physiology, as well as indirectly through effects on vegetation productivity and resource availability, and by creating conditions conducive to secondary disturbance, such as wildfire. We implemented a novel approach to understanding community-level demographic responses of birds and their habitats to these stressors in the context of climate change at 14 study sites in the Four Corners region of the southwestern United States...
May 22, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29786828/oral-contraceptives-for-pain-associated-with-endometriosis
#4
REVIEW
Julie Brown, Tineke J Crawford, Shree Datta, Andrew Prentice
BACKGROUND: Endometriosis is a common gynaecological condition which affects many women of reproductive age worldwide and is a major cause of pain and infertility. The combined oral contraceptive pill (COCP) is widely used to treat pain occurring as a result of endometriosis, although the evidence for its efficacy is limited. OBJECTIVES: To determine the effectiveness, safety and cost-effectiveness of oral contraceptive preparations in the treatment of painful symptoms ascribed to the diagnosis of laparoscopically proven endometriosis...
May 22, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29786816/examination-of-morbidity-and-mortality-of-cases-according-to-intra-vehicle-position-and-accident-mechanism
#5
Orhan Meral, Ekin Özgür Aktaş, Murat Ersel
BACKGROUND: Traffic accidents are still an important public health issue in our country and intra-vehicle accidents cause substantial morbidity and mortality. In this study, we aimed to investigate the effect of seating position on morbidity and mortality in traffic accidents. METHODS: Patients who were admitted to the Emergency Department, Faculty of Medicine, Ege University between May 1, 2014 and November 30, 2014 due to injuries in motor vehicles and who signed informed consent were included...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29786815/role-of-circulating-micrornas-in-acute-appendicitis
#6
Avni Uygar Seyhan, Elif Funda Şener, Oğuzhan Bol, Serpil Taheri, Tugba Topaloglu, Esra Tufan, Reyhan Tahtasakal, Nahide Ekici Günay, Hatice Karabulut, Nurullah Günay
BACKGROUND: Acute appendicitis (AA) is a momentous, emergency, surgical pathology that has still been investigated for both etiopathogenetic unknowns and challenges in diagnosis. Presently, there is little information about the role of microRNAs (miRNAs), which have basic biological functions in the cell, can be a marker, and are associated with various pathologies, in patients with AA. The aim of this study was to investigate the expressions of some miRNAs in AA. METHODS: Overall, 41 miRNAs were screened in 48 individuals comprising 24 patients with AA and 24 healthy controls at Erciyes University Genome and Stem Cell Center (GENKOK)...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29786807/-pharmacotherapy-of-epilepsy
#7
Torbjörn Tomson, Olof Rask
Pharmacotherapy of epilepsy is usually initiated after two or more unprovoked seizures, a decision that should be made after assessment of the individual risk of further seizures. Antiepileptic drugs (AEDs) are selected based on documented efficacy for the type of seizures, the epilepsy and possible epilepsy syndrome of the patient, taking potential adverse effects and comorbidity into account. For many AEDs, the mechanisms of action are incompletely understood. More than half of patients with newly diagnosed epilepsy achieve sustained seizure freedom with their first or second drug trials...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786774/computational-fluid-dynamics-modeling-of-the-human-pulmonary-arteries-with-experimental-validation
#8
Alifer D Bordones, Matthew Leroux, Vitaly O Kheyfets, Yu-An Wu, Chia-Yuan Chen, Ender A Finol
Pulmonary hypertension (PH) is a chronic progressive disease characterized by elevated pulmonary arterial pressure, caused by an increase in pulmonary arterial impedance. Computational fluid dynamics (CFD) can be used to identify metrics representative of the stage of PH disease. However, experimental validation of CFD models is often not pursued due to the geometric complexity of the model or uncertainties in the reproduction of the required flow conditions. The goal of this work is to validate experimentally a CFD model of a pulmonary artery phantom using a particle image velocimetry (PIV) technique...
May 21, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29786767/oral-supplementation-of-lanthanum-zirconate-nanoparticles-moderately-affected-behavior-but-drastically-disturbed-leukocyte-count-serum-cholesterol-levels-and-antioxidant-parameters-from-vital-organs-of-albino-mice-in-a-gender-specific-manner
#9
Muhammad Nazar Aftab, Irum Naz Akram, Tafheem Khosa, Syeda Qandeel Zahra, Irum Bashir, Muhammad Naeem Ashiq, Furhan Iqbal
Lanthanum Zirconate nanoparticles (NPs) are used in blades of gas turbine engines to thermally insulate them and to protect them against hot and corrosive gas streams. However, the information regarding their biocompatibility is limited. The present study was aimed to report the effect of Lanthanum Zirconate NPs on selected aspects of behavior, serum biochemistry, complete blood count and antioxidant parameters from vital organs of albino mice in a gender specific manner. Albino mice, seven weeks old, were orally treated with 75 mg/ml solvent/Kg body weight of Lanthanum Zirconate nanoparticles for consecutive 22 days...
May 21, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29786716/unexpected-protonation-state-of-glu197-discovered-from-simulations-of-tacrine-in-butyrylcholinesterase
#10
Xiao Wan, Yuan Yao, Lei Fang, Junjun Liu
Butyrylcholinesterase (BChE) has been actively involved in drug discoveries from many fields for decades. In the crystal structure of the BChE-tacrine complex, there is an unanticipated formyl-proline molecule resolved very close to tacrine, raising an essential question on how reliable it is to apply the binding pose in a crystal structure to analyze related experimental observations, in which no formyl-proline is actually involved. In this study, by performing a series of 100 ns molecular dynamics simulations, we demonstrate that it is safe to employ the structural information from this crystal structure to analyze related experimental observations...
May 22, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29786698/a-reconstruction-of-global-hydroclimate-and-dynamical-variables-over-the-common-era
#11
Nathan J Steiger, Jason E Smerdon, Edward R Cook, Benjamin I Cook
Hydroclimate extremes critically affect human and natural systems, but there remain many unanswered questions about their causes and how to interpret their dynamics in the past and in climate change projections. These uncertainties are due, in part, to the lack of long-term, spatially resolved hydroclimate reconstructions and information on the underlying physical drivers for many regions. Here we present the first global reconstructions of hydroclimate and associated climate dynamical variables over the past two thousand years...
May 22, 2018: Scientific Data
https://www.readbyqxmd.com/read/29786689/gridded-birth-and-pregnancy-datasets-for-africa-latin-america-and-the-caribbean
#12
W H M James, N Tejedor-Garavito, S E Hanspal, A Campbell-Sutton, G M Hornby, C Pezzulo, K Nilsen, A Sorichetta, C W Ruktanonchai, A Carioli, D Kerr, Z Matthews, A J Tatem
Understanding the fine scale spatial distribution of births and pregnancies is crucial for informing planning decisions related to public health. This is especially important in lower income countries where infectious disease is a major concern for pregnant women and new-borns, as highlighted by the recent Zika virus epidemic. Despite this, the spatial detail of basic data on the numbers and distribution of births and pregnancies is often of a coarse resolution and difficult to obtain, with no co-ordination between countries and organisations to create one consistent set of subnational estimates...
May 22, 2018: Scientific Data
https://www.readbyqxmd.com/read/29786680/-the-comprehensive-evaluation-of-the-bioclimatic-comfort-at-the-territories-of-the-russian-far-east-with-reference-to-winter-time-recreational-activities-and-primary-wellness-tourism
#13
N M Pestereva, A F Khechumyan, N Vorozbit
BACKGROUND: in the framework of the current tendency toward the further development of the socio-economic sphere in the Russian Far East (RFE), the relevant investigations aimed at creating the comfortable conditions for recreational and touristic activities as well as for rehabilitative therapy of the local population acquire the increasingly greater importance. AIM: The objective of the present study was the comprehensive evaluation of the bioclimatic comfort at the territories of interest with special reference to winter-time recreational activities and primary wellness tourism...
May 21, 2018: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29786665/automated-field-of-view-illumination-and-recognition-algorithm-design-of-a-vision-system-for-pick-and-place-considering-colour-information-in-illumination-and-images
#14
Yibing Chen, Taiki Ogata, Tsuyoshi Ueyama, Toshiyuki Takada, Jun Ota
Machine vision is playing an increasingly important role in industrial applications, and the automated design of image recognition systems has been a subject of intense research. This study has proposed a system for automatically designing the field-of-view (FOV) of a camera, the illumination strength and the parameters in a recognition algorithm. We formulated the design problem as an optimisation problem and used an experiment based on a hierarchical algorithm to solve it. The evaluation experiments using translucent plastics objects showed that the use of the proposed system resulted in an effective solution with a wide FOV, recognition of all objects and 0...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29786660/molecular-targets-of-active-anticancer-compounds-derived-from-marine-sources
#15
REVIEW
Xiaoping Song, Ying Xiong, Xin Qi, Wei Tang, Jiajia Dai, Qianqun Gu, Jing Li
Over the past decades, a number of novel compounds, which are produced in the marine environment, have been found to exhibit the anticancer effects. This review focuses on molecular targets of marine-derived anticancer candidates in clinical and preclinical studies. They are kinases, transcription factors, histone deacetylase, the ubiquitin-proteasome system, and so on. Specific emphasis of this review paper is to provide information on the optimization of new target compounds for future research and development of anticancer drugs, based on the identification of structures of these target molecules and parallel compounds...
May 22, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29786644/impact-of-bone-fracture-on-ischemic-stroke-recovery
#16
REVIEW
Meng Wei, Haiyian Lyu, Kang Huo, Hua Su
Stroke is one of the most devastating complications of bone fracture, occurring in up to 4% of patients after surgical repair for hip fracture. Bone fracture and ischemic stroke have many common risk factors. The impact of bone fracture on stroke recovery has not drawn much attention in the research field. Bone fracture could occur in stroke patients at different times during the recovery phase, which steepens the trajectory of cognitive decline, greatly affects the quality of life, and causes a heavy burden on healthcare resources...
May 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29786629/anthropometric-parameters-age-and-agility-as-performance-predictors-in-elite-female-basketball-players
#17
Maria Garcia-Gil, Jon Torres-Unda, Izaro Esain, Iratxe Duñabeitia, Susana M Gil, Javier Gil, Jon Irazusta
Garcia-Gil, M, Torres-Unda, J, Esain, I, Duñabeitia, I, Gil, SM, Gil, J, and Irazusta, J. Anthropometric parameters, age, and agility as performance predictors in elite female basketball players. J Strength Cond Res 32(6): 1723-1730, 2018-In addition to technical, tactical, and psychological skills, performance in playing basketball depends on anthropometry and physical fitness. However, limited information is available regarding such features in women. We hypothesized that anthropometry and physical fitness are associated with female basketball performance, and consequently, performance could be predicted using the results of certain anthropometric measures and fitness tests...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29786618/acoustic-performance-of-dual-electrode-electrostatic-sound-generators-based-on-cvd-graphene-on-polyimide-film
#18
Kyoung-Ryul Lee, Sung Hwan Jang, Inhwa Jung
We investigated the acoustic performance of electrostatic sound-generating devices consisting of bilayer graphene on polyimide (PI) film. Total sound pressure level (SPL) of sound generated from the devices was measured as a function of source frequency by sweeping, and frequency spectra were measured at 1/3 octave band frequencies. The relationship between various operation conditions and total SPL was determined. In addition, the effects of changing voltage level, adding a DC offset, and using two pairs of electrodes were evaluated...
May 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29786587/legal-protection-of-public-health-through-control-over-genetically-modified-food
#19
Nataliya Gutorova, Olena Batyhina, Maryna Trotska
OBJECTIVE: Introduction: Science is constantly being developed which leads to both positive and negative changes in public health and the environment. One of the results of scientific progress is introduction of food based on genetically modified organisms whose effects on human health, to date, remain scantily studied and are ambiguous. The aim: to determine how human health can be influenced by food production based on genetically modified organisms. PATIENTS AND METHODS: Materials and methods: international acts, data of international organizations and conclusions of scientists have been examined and used in the study...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786585/hygienic-assessment-of-the-effects-of-pesticides-application-on-adult-population-morbidity-with-thyroid-gland-diseases
#20
Anna M Antonenko, Olena P Vavrinevych, Maria M Korshun, Sergiy T Omelchuk
OBJECTIVE: Introduction: It is proved that some groups of fungicides and herbicides are capable of affecting the thyroid gland, provoking its growth, leading to a compensatory change in the activity of the hormones synthesis. Therefore, the presence of their residual amounts in plant may affect the level of thyroid gland pathology. The aim of the work was to analyze the influence of pesticide application on the Ukrainian adult population morbidity with thyroid diseases in the period from 2001 to 2014...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
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