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https://www.readbyqxmd.com/read/28315215/detection-of-food-allergens-by-phage-displayed-produced-antibodies
#1
Raquel Madrid, Silvia de la Cruz, Aina García, Rosario Martín, Isabel González, Teresa García
Phage display is a powerful tool to produce recombinant antibodies against a given antigen without animal immunization. This technology employs libraries of recombinant bacteriophages that display billions of different functional antibody fragments on their surface. They are selected by panning in vitro against the target antigen in search for specific binders. In this chapter, we describe the selection of single chain variable fragment (scFv) antibodies to be used for detection of allergenic proteins from nuts in food products...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28315214/detection-of-food-allergens-by-taqman-real-time-pcr-methodology
#2
Aina García, Raquel Madrid, Teresa García, Rosario Martín, Isabel González
Real-time PCR (polymerase chain reaction) has shown to be a very effective technology for the detection of food allergens. The protocol described herein consists on a real-time PCR assay targeting the plant ITS (Internal Transcribed Spacer) region, using species-specific primers and hydrolysis probes (Taqman) dual labeled with a reporter fluorophore at the 5' end (6-carboxyfluorescein, FAM) and a quencher fluorophore at the 3' end (Blackberry, BBQ). The species-specific real-time PCR systems (primers/probe) described in this work allowed the detection of different nuts (peanut, hazelnut, pistachio, almond, cashew, macadamia, walnut and pecan), common allergens present in commercial food products, with a detection limit of 0...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28314717/david-almond-pemberton
#3
Mary T Higgins
No abstract text is available yet for this article.
March 17, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28300159/structure-zone-diagram-and-particle-incorporation-of-nickel-brush-plated-composite-coatings
#4
L Isern, S Impey, H Almond, S J Clouser, J L Endrino
This work studies the deposition of aluminium-incorporated nickel coatings by brush electroplating, focusing on the electroplating setup and processing parameters. The setup was optimised in order to increase the volume of particle incorporation. The optimised design focused on increasing the plating solution flow to avoid sedimentation, and as a result the particle transport experienced a three-fold increase when compared with the traditional setup. The influence of bath load, current density and the brush material used was investigated...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28295963/a-multicenter-study-of-the-impella-device-for-mechanical-support-of-the-systemic-circulation-in-pediatric-and-adolescent-patients
#5
V Vivian Dimas, Brian H Morray, Dennis W Kim, Christopher Sd Almond, Shabana Shahanavaz, Sebastian C Tume, Lynn F Peng, Doff B McElhinney, Henri Justino
OBJECTIVES: The objective was to review the use of Impella devices (Abiomed Inc, Danvers, MA) for temporary circulatory support in pediatric and adolescent patients (age ≤ 21 yrs). BACKGROUND: Options for minimally invasive circulatory support in children are limited, and published data are confined to case reports and small case series. METHODS: This was a retrospective, multicenter review of Impella implants in pediatric and adolescent patients from 2009-15, using standardized data collection and INTERMACS definitions...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28288907/in-vivo-quantification-of-amygdala-subnuclei-using-4-7-t-fast-spin-echo-imaging
#6
Arash Aghamohammadi-Sereshki, Yushan Huang, Fraser Olsen, Nikolai V Malykhin
The amygdala (AG) is an almond-shaped heterogeneous structure located in the medial temporal lobe. The majority of previous structural Magnetic Resonance Imaging (MRI) volumetric methods for AG measurement have so far only been able to examine this region as a whole. In order to understand the role of the AG in different neuropsychiatric disorders, it is necessary to understand the functional role of its subnuclei. The main goal of the present study was to develop a reliable volumetric method to delineate major AG subnuclei groups using ultra-high resolution high field MRI...
March 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28286077/solubilisation-of-persian-gum-chemical-modification-using-acrylamide
#7
Masume Samari Khalaj, Soleiman Abbasi
Persian gum (PG), mountain almond tree (Amygdalus scoparia) exudate, is a transparent and natural edible gum which consists of soluble (SFPG, 25-30wt%) and insoluble (IFPG, 70-75wt%) fractions. Therefore, in the present study, using response surface methodology (RSM), the influence of concentration (0.64-7.36wt%), acrylamide (0.070-0.120mol), temperature (19.77-70.23°C), and time (0.32-3.68h) on solubilizing and some other properties of IFPG were investigated. Based on our findings, the highest solubility (64wt%) was achieved at the presence of 6wt% IFPG, and 0...
March 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28285524/chemical-and-sensory-characterization-of-oxidative-changes-in-roasted-almonds-undergoing-accelerated-shelf-life
#8
Lillian M Franklin, Dawn M Chapman, Ellena S King, Mallory Mau, Guangwei Huang, Alyson E Mitchell
In almonds, there is no standard method for detecting oxidative changes and little data correlating consumer perception with chemical markers of rancidity. To address this, we measured peroxide values (PV), free fatty acid values (FFAs), conjugated dienes, tocopherols, headspace volatiles, and consumer hedonic response in light roasted (LR) and dark roasted (DR) almonds stored under conditions that promote rancidity development over 12 months. Results demonstrate that, although rancidity develops at different rates in LR and DR almonds, consumer liking was not significantly different between LR and DR almonds...
March 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28283971/comparative-study-of-adsorptive-removal-of-cr-vi-ion-from-aqueous-solution-in-fixed-bed-column-by-peanut-shell-and-almond-shell-using-empirical-models-and-ann
#9
Munmun Banerjee, Nirjhar Bar, Ranjan Kumar Basu, Sudip Kumar Das
Cr(VI) is a toxic water pollutant, which causes cancer and mutation in living organisms. Adsorption has become the most preferred method for removal of Cr(VI) due to its high efficiency and low cost. Peanut and almond shells were used as adsorbents in downflow fixed bed continuous column operation for Cr(VI) removal. The experiments were carried out to scrutinise the adsorptive capacity of the peanut shells and almond shells, as well as to find out the effect of various operating parameters such as column bed depth (5-10 cm), influent flow rate (10-22 ml min(-1)) and influent Cr(VI) concentration (10-20 mg L(-1)) on the Cr(VI) removal...
March 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28270158/replacing-american-snacks-with-tree-nuts-increases-consumption-of-key-nutrients-among-us-children-and-adults-results-of-an-nhanes-modeling-study
#10
Colin D Rehm, Adam Drewnowski
BACKGROUND: Replacing typical American snacks with tree nuts may be an effective way to improve diet quality and compliance with the 2015-2020 Dietary Guidelines for Americans (DGAs). OBJECTIVE: To assess and quantify the impact of replacing typical snacks with composite tree nuts or almonds on diet metrics, including empty calories (i.e., added sugars and solid fats), individual fatty acids, macronutrients, nutrients of public health concern, including sodium, fiber and potassium, and summary measures of diet quality...
March 7, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28262033/fatty-acid-composition-and-anticancer-activity-in-colon-carcinoma-cell-lines-of-prunus-dulcis-seed-oil
#11
Filiz Mericli, Eda Becer, Hilal Kabadayı, Azmi Hanoglu, Duygu Yigit Hanoglu, Dudu Ozkum Yavuz, Temel Ozek, Seda Vatansever
CONTEXT: Almond oil is used in traditional and complementary therapies for its numerous health benefits due to high unsaturated fatty acids content. OBJECTIVES: This study investigated the composition and in vitro anticancer activity of almond oil from Northern Cyprus and compared with almond oil from Turkey. MATERIALS AND METHODS: Almond oil from Northern Cyprus was obtained by supercritical CO2 extraction and analyzed by GC-MS. Almond oil of Turkey was provided from Turkish pharmacies...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28261779/does-protocatechuic-acid-a-natural-antioxidant-reduce-renal-ischemia-reperfusion-injury-in-rats
#12
Melih Yüksel, Murat Yıldar, Murat Başbuğ, Faruk Çavdar, Öztekin Çıkman, Hasan Akşit, Figen Aslan, Dilek Akşit
BACKGROUND: Protocatechuic acid (PCA), which has antioxidant property, is a simple phenolic compound commonly found in many plants, vegetables, and fruits, notably in green tea and almonds. Present study was an investigation of the effects of PCA on rat kidney with ischemia/reperfusion (IR) injury. METHODS: Sprague-Dawley rats were randomly divided into 4 groups: (1) Sham, (2) Renal IR, (3) Renal IR+Vehicle, and (4) Renal IR+PCA. Renal reperfusion injury was induced by clamping renal pedicle for 45 minutes after right nephrectomy was performed, followed by reperfusion for 3 hours...
January 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28259596/berlin-heart-excor-use-in-patients-with-congenital-heart-disease
#13
David L S Morales, Farhan Zafar, Christopher S Almond, Charles Canter, Francis Fynn-Thompson, Jennifer Conway, Iki Adachi, Angela Lorts
BACKGROUND: Management of mechanical circulatory support in children with congenital heart disease (CHD) is challenging due to physiologic variations and anatomic limitations to device placement. In this study we examine the use of Berlin Heart EXCOR in CHD patients. METHODS: CHD patients were identified from the EXCOR Pediatric Study data set (2007 to 2010). Mortality and serious adverse events were compared between CHD and non-CHD cohorts, and predictors of poor outcomes in the CHD cohort were identified...
February 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28241133/measuring-fatigue-using-the-multidimensional-fatigue-inventory-20-a-questionable-factor-structure-in-haemodialysis-patients
#14
Joseph Chilcot, Ayman Guirguis, Karin Friedli, Michael Almond, Andrew Davenport, Clara Day, David Wellsted, Ken Farrington
BACKGROUND/AIMS: Fatigue is recognised as a common and burdensome symptom among dialysis patients. A growing body of research is devoted to understanding fatigue in advanced kidney disease, yet its measurement is challenging within this context. Our aim was to evaluate the factor structure underlying the multidimensional fatigue inventory (MFI-20) and to examine its associations with clinical factors and mood. METHODS: Data was evaluated for confirmatory factor analysis (CFA) from the screening phase of a multicentre randomised placebo-controlled trial of sertraline in haemodialysis (HD) patients...
February 28, 2017: Nephron
https://www.readbyqxmd.com/read/28226285/drying-and-decontamination-of-raw-pistachios-with-sequential-infrared-drying-tempering-and-hot-air-drying
#15
Chandrasekar Venkitasamy, Maria T Brandl, Bini Wang, Tara H McHugh, Ruihong Zhang, Zhongli Pan
Pistachio nuts have been associated with outbreaks of foodborne disease and the industry has been impacted by numerous product recalls due to contamination with Salmonella enterica. The current hot air drying of pistachios has low energy efficiency and drying rates, and also does not guarantee the microbial safety of products. In the study described herein, dehulled and water-sorted pistachios with a moisture content (MC) of 38.14% (wet basis) were dried in a sequential infrared and hot air (SIRHA) drier to <9% MC...
February 9, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28221944/a-novel-immunoassay-test-system-for-detection-of-modified-allergen-residues-present-in-almond-cashew-coconut-hazelnut-and-soy-based-nondairy-beverages
#16
Jongkit Masiri, Lora Benoit, Mahzad Meshgi, Jeffrey Day, Cesar Nadala, Mansour Samadpour
A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221904/reduction-of-bacterial-pathogens-and-potential-surrogates-on-the-surface-of-almonds-using-high-intensity-405-nanometer-light
#17
Alison Lacombe, Brendan A Niemira, Joseph Sites, Glenn Boyd, Joshua B Gurtler, Breanna Tyrell, Melissa Fleck
The disinfecting properties of high-intensity monochromatic blue light (MBL) were investigated against Escherichia coli O157:H7, Salmonella , and nonpathogenic bacteria inoculated onto the surface of almonds. MBL was generated from an array of narrow-band 405-nm light-emitting diodes. Almonds were inoculated with higher or lower levels (8 or 5 CFU/g) of pathogenic E. coli O157:H7 and Salmonella , as well as nonpathogenic E. coli K-12 and an avirulent strain of Salmonella Typhimurium, for evaluation as potential surrogates for their respective pathogens...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221874/comparing-thermal-process-validation-methods-for-salmonella-inactivation-on-almond-kernels
#18
Sanghyup Jeong, Bradley P Marks, Michael K James
Ongoing regulatory changes are increasing the need for reliable process validation methods for pathogen reduction processes involving low-moisture products; however, the reliability of various validation methods has not been evaluated. Therefore, the objective was to quantify accuracy and repeatability of four validation methods (two biologically based and two based on time-temperature models) for thermal pasteurization of almonds. Almond kernels were inoculated with Salmonella Enteritidis phage type 30 or Enterococcus faecium (NRRL B-2354) at ~10(8) CFU/g, equilibrated to 0...
January 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221855/survival-kinetics-of-salmonella-enterica-and-enterohemorrhagic-escherichia-coli-on-a-plastic-surface-at-low-relative-humidity-and-on-low-water-activity-foods
#19
Hidekazu Hokunan, Kento Koyama, Mayumi Hasegawa, Shuso Kawamura, Shigenobu Koseki
We investigated the survival kinetics of Salmonella enterica and enterohemorrhagic Escherichia coli under various water activity (aw) conditions to elucidate the net effect of aw on pathogen survival kinetics and to pursue the development of a predictive model of pathogen survival as a function of aw. Four serotypes of S. enterica (Stanley, Typhimurium, Chester, and Oranienburg) and three serotypes of enterohemorrhagic E. coli ( E. coli O26, E. coli O111, and E. coli O157:H7) were examined. These bacterial strains were inoculated on a plastic plate surface at a constant relative humidity (RH) (22, 43, 58, 68, or 93% RH, corresponding to the aw) or on a surface of almond kernels (aw 0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28213025/influence-of-controlled-atmosphere-on-thermal-inactivation-of-escherichia-coli-atcc-25922-in-almond-powder
#20
Teng Cheng, Rui Li, Xiaoxi Kou, Shaojin Wang
Heat controlled atmosphere (CA) treatments hold potential to pasteurize Salmonella enteritidis PT 30 in almonds. Nonpathogenic Escherichia coli ATCC 25922 was used as a surrogate species of pathogenic Salmonella for validation of thermal pasteurization to meet critical safety requirements. A controlled atmosphere/heating block system (CA-HBS) was used to rapidly determine thermal inactivation of E. coli ATCC 25922. D- and z-values of E. coli ATCC 25922 inoculated in almond powder were determined at four temperatures between 65 °C and 80 °C under different gas concentrations and heating rates...
June 2017: Food Microbiology
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