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https://www.readbyqxmd.com/read/28351000/targeted-superparamagnetic-nanoparticles-coated-with-2-deoxy-d-gloucose-and-doxorubicin-more-sensitize-breast-cancer-cells-to-ionizing-radiation
#1
Jalil Pirayesh Islamian, Milad Hatamian, Negar Abbasi Aval, Mohammad Reza Rashidi, Asghar Mesbahi, Mohammad Mohammadzadeh, Mohammad Asghari Jafarabadi
INTRODUCTION: Nanoparticles are promising as a new approach to enhance chemo- radiotherapy efficiency in breast cancer mainly via targeted therapy. MATERIALS & METHODS: SKBR3 and T47D breast cancer cells were treated with superparamagnetic mesoporous hydroxyapatite nanocomposites (SPmHANs)conjugated with 1 μM doxorubicin and 0.5 mM 2-Deoxy-d-Glucose and irradiated with 1 and 2 Gy gamma rays in vitro. The treatment toxicity and also the apoptosis/necrosis ratio were measured by MTT assay and also ELISA cell death detection PLUS, respectively...
March 25, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28350432/functionalized-porous-aromatic-framework-for-efficient-uranium-adsorption-from-aqueous-solutions
#2
Baiyan Li, Qi Sun, Yiming Zhang, Carter W Abney, Briana Aguila, Wenbin Lin, Shengqian Ma
In this work we demonstrate the successful functionalization of a porous aromatic framework for uranium extraction from water as exemplified by grafting PAF-1 with the uranyl chelating amidoxime group. The resultant amidoxime-functionalized PAF-1 (PAF-1-CH2AO) exhibits a high uranium uptake capacity of over 300 mg∙g-1 and effectively reduces the uranyl concentration from 4.1 ppm to less than 1.0 ppb in aqueous solutions within 90 min, well below the acceptable limit of 30 ppb set by the US Environmental Protection Agency...
March 28, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28346045/a-modular-and-adaptive-mass-spectrometry-based-platform-for-support-of-bioprocess-development-toward-optimal-host-cell-protein-clearance
#3
Donald E Walker, Feng Yang, Joseph Carver, Koman Joe, David A Michels, X Christopher Yu
A modular and adaptive mass spectrometry (MS)-based platform was developed to provide fast, robust and sensitive host cell protein (HCP) analytics to support process development. This platform relies on one-dimensional ultra-high performance liquid chromatography (1D UHPLC) combined with several different MS data acquisition strategies to meet the needs of purification process development. The workflow was designed to allow HCP composition and quantitation for up to 20 samples per day, a throughput considered essential for real time bioprocess development support...
March 27, 2017: MAbs
https://www.readbyqxmd.com/read/28345361/implant-of-permanent-pacemaker-during-acute-coronary-syndrome-mortality-and-associated-factors-in-the-ariam-registry
#4
María Dolores Pola-Gallego-de-Guzmán, Manuel Ruiz-Bailén, Maria-Angeles Martínez-Arcos, Artur Gómez-Blizniak, Ana-Maria Castillo Rivera, Jesus Cobo Molinos
BACKGROUND: Patients with acute coronary syndrome complicated with high degree atrioventricular block still have a high mortality. A low percentage of these patients need a permanent pacemaker (PPM) but mortality and associated factors with the PPM implant in acute coronary syndrome patients are not known. We assess whether PPM implant is an independent variable in the mortality of acute coronary syndrome patients. Also, we explored the variables that remain independently associated with PPM implantation...
March 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28345213/caries-experience-of-children-in-primary-schools-with-long-term-tooth-brushing-programs-a-pilot-australian-study
#5
T Cakar, L Harrison-Barry, M L Pukallus, S Kazoullis, W K Seow
OBJECTIVE: The aim of this study was to evaluate a primary school-based tooth brushing (TB) program conducted in a low socio-economic area of Queensland, Australia, to determine its effectiveness in reducing caries. METHODS: Records kept at the central dental clinic of the district were used to analyse the caries experience (decayed, missing, filled teeth [dmft/DMFT]) and caries prevalence in children from two schools with long-term TB programs (TB) (N=1191) and three Non-TB schools (N=553)...
March 26, 2017: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/28345145/air-pollution-and-short-term-clinical-outcomes-of-patients-with-acute-myocardial-infarction
#6
Min Woo Lee, Byoung Geol Choi, Suhng Wook Kim, Seung-Woon Rha, Min Suk Shim, Dae Jin Kim, Hong Seog Seo, Dong Joo Oh, Myung Ho Jeong
1.Ambient air pollution is well-known to be a serious risk factor for cardiovascular diseases, stroke, and death. However, the association between air pollutants (AP) exposure and short-term clinical outcomes in acute myocardial infarction (AMI) patients (pts) is not well elucidated yet. 2.In the present study, 37,880 AMI pts were enrolled finally from October 2005 to December 2013 in a nationwide large-scale, prospective, multicenter Korea AMI registry (KAMIR registry; http://www.kamir.or.kr). We obtained data on AP (e...
March 27, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28344476/effect-of-pelargonidin-isolated-from-ficus-benghalensis-l-on-phenotypic-changes-in-zebrafish-danio-rerio-embryos
#7
Uday Kundap, Yogini Jaiswal, Rachana Sarawade, Leonard Williams, Mohd Farooq Shaikh
In the present study, the extraction and isolation of Pelargonidin, an anthocyanin compound from stem bark of Ficus benghalensis are described. The study also involves evaluation of the effect of Pelargonidin on phenotypic variations in zebra fish embryos. Extraction and isolation of Pelargonidin were carried out by employing liquid-liquid extraction technique, phytochemical tests, column chromatography, UV and FT-IR. In the zebra fish embryo model, Paclitaxel was employed as a negative control. A series of phenotypic changes in different stages of embryonic development were studied with treatment concentrations of Pelargonidin between 3...
February 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28344413/evaluation-of-some-heavy-metals-residues-in-batteries-and-deep-litter-rearing-systems-in-japanese-quail-meat-and-offal-in-egypt
#8
Ali M Ahmed, Dalia M Hamed, Nagwa T Elsharawy
AIM: The main objectives of this study were for comparing the effect of batteries and deep litter rearing systems of domesticated Japanese quail, Coturnix coturnix japonica, on the concentration levels of cadmium, copper, lead, and zinc from the quail meat and offal in Ismailia, Egypt. MATERIALS AND METHODS: A total of 40 quail meat and their offal samples were randomly collected from two main quail rearing systems: Battery (Group I) and deep litter system (Group II) for determination of concentration levels of cadmium, copper, lead, and zinc...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28342683/white-grape-juice-elicits-a-lower-breath-hydrogen-response-compared-with-apple-juice-in-healthy-human-subjects-a-randomized-controlled-trial
#9
Jennifer Erickson, Qi Wang, Joanne Slavin
BACKGROUND: Diets low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPS) are used to manage symptoms in individuals with irritable bowel syndrome. Although effective at reducing symptoms, the diet can be complex and restrictive. In addition, there are still large gaps in the literature and many foods with unclear effects in the gastrointestinal (GI) tract, like fruit juice. Although many fruits are allowable on a low-FODMAP diet, consumption of all fruit juice is generally cautioned due to the large fructose load contained in juice, regardless of the glucose concentration...
March 22, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28342051/appraisal-of-nutrient-distribution-in-the-surface-water-and-bed-sediments-of-a-small-mountainous-river
#10
Prince George, Sabu Joseph
A total of 42 (21 surface water and 21 bed sediments) samples were collected from upstream to downstream stretches of Meenachil river during pre-monsoon (PRM), monsoon (MON) and post monsoon (POM) seasons. DOC in water showed increasing trend spatially while temporal study illustrates high mean value during PRM (1.58 ppm) followed by POM (0.97) and MON (0.36). Spatial assessment of elements such as Ca, Mg, K and Na in sediments reveals erratic trend during different seasons, while total phosphorous showed escalating trend signifying abrupt addition from anthropogenic sources...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28341586/less-exercise-and-more-drugs-how-a-low-income-population-manages-chronic-pain
#11
Barbara J Turner, Natalia Rodriguez, Melissa A Valerio, Yuanyuan Liang, Paula Winkler, Lisa Jackson
OBJECTIVE: To evaluate chronic pain management in a multistate, low income, Hispanic population and to examine predictors of exercising and prescription pain medication (PPM) use. DESIGN: Online survey administered to a representative sample of Hispanic adults in June 2015 SETTING: Five southwestern states PARTICIPANTS: Among all 1007 online panel members who were Hispanic, aged 35-75 years from five states, representing 11,016,135 persons, the survey was completed by 516 members (51%)...
March 21, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28340778/aging-of-paper-ultra-fast-quantification-of-2-5-dihydroxyacetophenone-as-a-key-chromophore-in-cellulosics-by-reactive-paper-spray-mass-spectrometry
#12
A Schedl, T Zweckmair, F Kikul, U Henniges, T Rosenau, A Potthast
The detection of individual chromophores that contribute to the overall discoloration of paper or pulp ("yellowing") is a challenge because these substances are only present in extremely small amounts (ppm to ppb range). In this work, paper spray (PS) coupled with mass spectrometry was used to detect a low-concentrated cellulosic key-chromophore, 2,5-dihydroxyacetophenone (DHAP). Sensitivity was enhanced by derivatization with Girard's reagent T (GT). DHAP was successfully detected in historic paper samples and also was applied to model papers in order to investigate different factors that influence its generation: temperature, time, relative humidity, and the presence of iron ions, by means of a full factorial design...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340021/phenamil-an-amiloride-derivative-restricts-long-bone-growth-and-alters-keeled-sternum-bone-architecture-in-growing-chickens
#13
Tara R Price, Kristin Moncada, Hector Leyva-Jimenez, Kye Won Park, Peter Tontonoz, Rosemary L Walzem
"Broiler-type" chickens are fast-grow-ing, heavy-bodied birds with high demands on bone quality. Phenamil increased mineralization in cultured murine mesenchymal stem cells. Phenamil effects were tested in 2 groups of weight and gender matched day-old broiler chickens (n = 13). Oral administration of 30 mg phenamil/kg body weight d 1 to 13 reduced growth of chicks d 5 to 14 (P = 0.002); with phenamil-treated (PT) chick body weight being 84% of vehicle-treated (VT) chicks' body weight on d 14. Tissues collected on d 15 showed that femur lengths and widths did not differ, but tibias from PT chicks were 6% shorter (P = 0...
March 3, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339976/effects-of-two-different-broiler-flooring-systems-on-production-performances-welfare-and-environment-under-commercial-production-conditions
#14
H Li, X Wen, R Alphin, Z Zhu, Z Zhou
Research comparing conventional litter and alternative perforated flooring (netting) systems is relatively limited under commercial production conditions. A comprehensive comparison of broiler production performances, welfare quality, and housing environment of two broiler houses with conventional litter and new perforated plastic floors was conducted over four flocks for eight months in eastern China. The two broiler houses each had 31,700 broilers per flock on average and were ventilated using a negative-pressure system...
March 3, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339759/performance-and-anticoccidial-effects-of-nicarbazin-fed-broilers-reared-at-standard-or-reduced-environmental-temperatures
#15
M J da Costa, K W Bafundo, G M Pesti, E A Kimminau, H M Cervantes
A series of 4 floor pen studies was conducted to evaluate the effects of environmental temperature modification on nicarbazin (NIC) responses in broiler chickens raised to 28 d of age. Birds were reared at either standard temperatures (recommended by the primary breeder for ages zero to 28 d) or at 3°C below this level. From placement to 28 d, birds were provided feeds containing zero, 100, or 125 ppm NIC, comprising a 2 × 3 factorial arrangement in each test. Two of the trials were conducted in the presence of an imposed coccidial challenge and 2 were conducted in healthy animals...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339699/effects-of-chlorine-and-hydrogen-peroxide-sanitation-in-low-bacterial-content-water-on-biofilm-formation-model-of-poultry-brooding-house-waterlines
#16
P Maharjan, G Huff, W Zhang, S Watkins
An in vitro experiment was performed to determine if biofilm would develop when polyvinylchloride (PVC) test coupons (material used for poultry waterlines) were exposed to low bacterial content warm water (≤1000 cfu/mL, test water) and also to determine if biofilm development would be influenced by adding a sanitizer. PVC sections 2.54 cm long and internal diameter of 1. 90 cm were used as test coupons to grow biofilm. Two coupons were immersed in 600 mL test water in a beaker. Nine beakers were utilized similarly with a total of 18 coupons...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28338959/increase-in-leaf-temperature-opens-stomata-and-decouples-net-photosynthesis-from-stomatal-conductance-in-pinus-taeda-and-populus-deltoides-x-nigra
#17
Josef Urban, Miles W Ingwers, Mary Anne McGuire, Robert O Teskey
The effect of temperature on stomatal conductance (gs) and corresponding gas exchange parameters was studied in two tree species with contrasting leaf anatomy and ecophysiology-a broadleaf angiosperm, Populus deltoides x nigra (poplar), and a needle-leaf gymnosperm, Pinus taeda (loblolly pine). Experiments were conducted in growth chambers across a leaf temperature range of 19-48°C. Manipulations of temperature were done in well-watered and drought soil conditions and under ambient (400 ppm) and elevated (800 ppm) air CO2 concentrations...
March 6, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338635/a-formaldehyde-sensor-based-on-molecularly-imprinted-polymer-on-a-tio%C3%A2-nanotube-array
#18
Xiaohui Tang, Jean-Pierre Raskin, Driss Lahem, Arnaud Krumpmann, André Decroly, Marc Debliquy
Today, significant attention has been brought to the development of sensitive, specific, cheap, and reliable sensors for real-time monitoring. Molecular imprinting technology is a versatile and promising technology for practical applications in many areas, particularly chemical sensors. Here, we present a chemical sensor for detecting formaldehyde, a toxic common indoor pollutant gas. Polypyrrole-based molecularly-imprinted polymer (PPy-based MIP) is employed as the sensing recognition layer and synthesized on a titanium dioxide nanotube array (TiO₂-NTA) for increasing its surface-to-volume ratio, thereby improving the sensor performance...
March 24, 2017: Sensors
https://www.readbyqxmd.com/read/28338542/multicenter-patch-testing-with-methylisothiazolinone-and-methylchloroisothiazolinone-methylisothiazolinone-within-the-international-contact-dermatitis-research-group
#19
Marléne Isaksson, Iris Ale, Klaus E Andersen, Peter Elsner, Chee-Leok Goh, An Goossens, Hemangi Jerajani, Kayoko Matsunaga, John McFadden, Magnus Bruze
BACKGROUND: The preservatives methylchloroisothiazolinone/methylisothiazolinone (MCI/MI) and MI are well-known contact sensitizers. Recently, an increase in the contact allergy frequency for MI 0.2% aqueous (aq) has been seen in many European countries paralleled with an increase in MCI/MI allergy. Many of the MI-allergic patients do not react to MCI/MI 0.01% or 0.02% because the concentration of MI in these preparations is too low (25 and 50 ppm, respectively) to elicit a positive patch test reaction...
March 23, 2017: Dermatitis
https://www.readbyqxmd.com/read/28337561/optimization-of-ultraviolet-ozone-treatment-process-for-improvement-of-polycaprolactone-pcl-microcarrier-performance
#20
Nurhusna Samsudin, Yumi Zuhanis Has-Yun Hashim, Mohd Azmir Arifin, Maizirwan Mel, Hamzah Mohd Salleh, Iis Sopyan, Dzun Noraini Jimat
Growing cells on microcarriers may have overcome the limitation of conventional cell culture system. However, the surface functionality of certain polymeric microcarriers for effective cell attachment and growth remains a challenge. Polycaprolactone (PCL), a biodegradable polymer has received considerable attention due to its good mechanical properties and degradation rate. The drawback is the non-polar hydrocarbon moiety which makes it not readily suitable for cell attachment. This report concerns the modification of PCL microcarrier surface (introduction of functional oxygen groups) using ultraviolet irradiation and ozone (UV/O3) system and investigation of the effects of ozone concentration, the amount of PCL and exposure time; where the optimum conditions were found to be at 60,110...
March 23, 2017: Cytotechnology
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