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https://www.readbyqxmd.com/read/29790696/lotus-tetragonolobus-ulex-europaeus-maackia-amurensis-and-arachis-hypogaea-peanut-lectins-influence-the-binding-of-helicobacter-pylori-to-gastric-carbohydrates
#1
Iwona Radziejewska, Małgorzata Borzym-Kluczyk, Katarzyna Leszczyńska
BACKGROUND: The carbohydrates of gastric mucins and other sugar structures are involved in interactions with Helicobacter pylori (H. pylori) adhesins. The binding of bacteria to mucins can protect the epithelium from direct contact with the pathogen and from developing infection because of a specific barrier created by the mucus. The pathogen also interacts with other carbohydrate structures of the epithelium. Direct contact between the bacteria and the epithelial cells facilitates infection development...
May 17, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29785939/exploring-an-integrative-patient-tailored-complementary-medicine-approach-for-chemotherapy-induced-taste-disorders
#2
Eran Ben-Arye, Ilana Doweck, Elad Schiff, Noah Samuels
CONTEXT: Chemotherapy-induced taste disorder (CITD) is a common adverse effect among patients with cancer, with no effective known treatment. OBJECTIVES: Exploring the impact of a patient-tailored complementary and integrative medicine (CIM) treatment program on CITD-related severity. DESIGN: Prospective study on patients' chart. SETTING: Integrative oncology program operating within the Clalit Healthcare Oncology Service in northern Israel...
April 22, 2018: Explore: the Journal of Science and Healing
https://www.readbyqxmd.com/read/29785220/physicochemical-and-microbiological-qualities-assessment-of-popular-bangladeshi-mango-fruit-juice
#3
Ruhul Amin, Shafkat S Rahman, Mahboob Hossain, Naiyyum Choudhury
Introduction: Mango juice has always been considered as a delicious, nutritious popular drink, but processed juice may not always be safe due to chemical and microbial risks. Determination of physicochemical and microbiological qualities of some packed mango juices of Bangladesh will help consumers to know the present scenario. Material and Methods: Six commercially available different juice samples were collected from the market. Carbohydrate profiles were determined using HPLC, crude protein content was calculated using the Kjeldahl method and other parameters were determined by standard AOAC methods...
2018: Open Microbiology Journal
https://www.readbyqxmd.com/read/29784408/part-2-forensic-attribution-profiling-of-russian-vx-in-food-using-liquid-chromatography-mass-spectrometry
#4
Daniel Jansson, Susanne Wiklund Lindström, Rikard Norlin, Saphon Hok, Carlos A Valdez, Audrey M Williams, Armando Alcaraz, Calle Nilsson, Crister Åstot
This work is part two of a three-part series in this issue of a Sweden-United States collaborative effort towards the understanding of the chemical attribution signatures of Russian VX (VR) in synthesized samples and complex food matrices. In this study, we describe the sourcing of VR present in food based on chemical analysis of attribution signatures by liquid chromatography-tandem mass spectrometry (LC-MS/MS) combined with multivariate data analysis. Analytical data was acquired from seven different foods spiked with VR batches that were synthesized via six different routes in two separate laboratories...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784362/programmable-electrochemical-flow-system-for-high-throughput-determination-of-total-antioxidant-capacity
#5
Kornautchaya Veenuttranon, Loc Thai Nguyen
The aim of this work was to develop a programmable flow system for rapid assessment of total antioxidant capacity (TAC). Novel features of the prototype include a single pressure-driven source, versatile manipulation of fluid flows, ability to adapt to different TAC assays, and compatibility with microfluidic design. Antioxidant activity was determined by electrochemical measurement of residual 2,2-diphenyl-2-picrylhydrayl hydrate (DPPH•) free radicals in the solution. The overall performance of the device was validated by the spectrophotometric method...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784352/application-of-gradient-ratio-flow-injection-technique-to-implementation-of-the-chemical-h-point-standard-addition-method
#6
Marcin Wieczorek, Marek Dębosz, Paweł Świt, Aneta Woźniakiewicz, Paweł Kościelniak
A new gradient ratio approach to Chemical H-point Standard Addition Method (C-HPSAM) was developed in flow injection analysis with spectrophotometric detection. C-HPSAM is based on an idea to use SAM for calibration in several different chemical conditions in order to correct unspecific (additive) interferences in samples with unknown matrix. The approach proposed in this paper employs the gradient ratio flow-injection technique to generate a continuous change of chemical conditions. By doing so a set of two-point SAM calibration curves with different slopes are possible of registering that are intersected in a common point indicating the values of both unspecific interferences and analyte concentration in a sample...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784348/flow-manifold-for-chemical-h-point-standard-addition-method-implemented-to-electrochemical-analysis-based-on-the-capacitance-measurements
#7
Marcin Wieczorek, Maria Madej, Karolina Starzec, Paweł Knihnicki, Anna Telk, Jolanta Kochana, Paweł Kościelniak
The paper presents a novel analytical method for electrochemical potassium determination using gold electrodes with self-assembled thiol monolayers (SATMs) deposited on its surface. The whole analytical procedure was carried out in a dedicated flow manifold using capacitance detection mode. The terminal functional groups on the surface of the dielectric monolayer interacts selectively with the analyte, changing the thickness of the layer depending on the amount of the analyte and the applied voltage, resulting in a change in the registered dielectric capacitance...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784342/rapid-and-sensitive-detection-of-staphylococcus-aureus-assisted-by-polydopamine-modified-magnetic-nanoparticles
#8
Xiaomei Gao, Xin Yao, Zitao Zhong, Li Jia
Pathogens cause significant morbidity and mortality to humans. Thus, development of fast and reliable methods for detection and identification of pathogens is urgently needed to increase protection level of public health and ensure the safety of consumers. Herein, a rapid and sensitive method has been developed for Staphylococcus aureus (S. aureus) detection based on the dual role of polydopamine modified magnetic nanoparticles (PDA@Fe3 O4 NPs) combined with polymerase chain reaction (PCR) and capillary electrophoresis (CE)...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784070/pre-pregnancy-dietary-carbohydrate-quantity-and-quality-and-risk-of-developing-gestational-diabetes-the-australian-longitudinal-study-on-women-s-health
#9
Moniek Looman, Danielle A J M Schoenaker, Sabita S Soedamah-Muthu, Anouk Geelen, Edith J M Feskens, Gita D Mishra
Carbohydrate quantity and quality affect postprandial glucose response, glucose metabolism and risk of type 2 diabetes. The aim of this study was to examine the association of pre-pregnancy dietary carbohydrate quantity and quality with the risk of developing gestational diabetes mellitus (GDM). We used data from the Australian Longitudinal Study on Women's Health that included 3607 women aged 25-30 years without diabetes who were followed up between 2003 and 2015. We examined carbohydrate quantity (total carbohydrate intake and a low-carbohydrate diet (LCD) score) and carbohydrate subtypes indicating quality (fibre, total sugar intake, glycaemic index, glycaemic load and intake of carbohydrate-rich food groups)...
May 22, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29783783/the-microencapsulation-of-maqui-aristotelia-chilensis-mol-stuntz-juice-by-spray-drying-and-freeze-drying-produces-powders-with-similar-anthocyanin-stability-and-bioaccessibility
#10
Carolina Fredes, Camila Becerra, Javier Parada, Paz Robert
The microencapsulation of maqui juice by spray-drying and freeze-drying was studied as a strategy to protect anthocyanins in new food formulations in order to improve the anthocyanin retention before consumption and the bioaccessibility. It is well known that the encapsulation method affects both the shape and size of powders, being assumed that undefined forms of freeze-drying powders might affect their stability due to the high permeability to oxygen. The objective of this study was to compare the microencapsulation of maqui juice by spray-drying and freeze-drying, evaluating the stability of specific anthocyanins in yogurt and after in vitro digestion...
May 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29782830/toxoplasma-gondii-infections-in-chickens-performance-of-various-antibody-detection-techniques-in-serum-and-meat-juice-relative-to-bioassay-and-dna-detection-methods
#11
G Schares, M Koethe, B Bangoura, A-C Geuthner, F Randau, M Ludewig, P Maksimov, M Sens, A Bärwald, F J Conraths, I Villena, D Aubert, M Opsteegh, J Van der Giessen
Chickens, especially if free-range, are frequently exposed to Toxoplasma gondii, and may represent an important reservoir for T. gondii. Poultry products may pose a risk to humans, when consumed undercooked. In addition, chickens are regarded as sensitive indicators for environmental contamination with T. gondii oocysts and have been used as sentinels. The aim of the present study was to determine the suitability of commonly used antibody detection methods, i.e. the modified agglutination test (MAT), IFAT and ELISA to detect T...
May 18, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29782022/practical-use-of-rna-interference-oral-delivery-of-double-stranded-rna-in-liposome-carriers-for-cockroaches
#12
Jia-Hsin Huang, Yun Liu, Yu-Hsien Lin, Xavier Belles, How-Jing Lee
RNA interference (RNAi) has been widely applied for uncovering the biological functions of numerous genes, and has been envisaged as a pest control tool operating by disruption of essential gene expression. Although different methods, such as injection, feeding, and soaking, have been reported for successful delivery of double-stranded RNA (dsRNA), the efficiency of RNAi through oral delivery of dsRNA is highly variable among different insect groups. The German cockroach, Blattella germanica, is highly sensitive to the injection of dsRNA, as shown by many studies published previously...
May 1, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781785/intention-of-older-women-to-consume-100-watermelon-juice-for-vascular-health-an-application-of-theory-of-planned-behavior
#13
Seung Eun Jung, Amy C Ellis, Kristi Crowe-White
To strengthen randomized controlled trials (RCT) evaluating the efficacy of 100% watermelon juice on vascular function of older women, theory-driven behavioral analysis as well as comparative sensory analysis of the intervention and placebo were conducted. The Theory of Planned Behavior was adopted to assess psychosocial determinants of intention to consume watermelon juice. Sensory attributes were assessed utilizing hedonic scales. Analysis included Structural Equation Modeling with maximum likelihood. The measurement model provided a good fit (x2  = 70...
May 21, 2018: Journal of Nutrition in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29781612/the-role-of-melatonin-in-affecting-cell-wall-disassembly-and-chilling-tolerance-in-cold-stored-peach-fruit
#14
Shifeng Cao, Kun Bian, Liyu Shi, Hsiao-Hang Chung, Wei Chen, Zhenfeng Yang
Melatonin reportedly increased chilling tolerance in postharvest peach fruit during cold storage but information on its effect on cell wall disassembly in chilling injured peaches is limited. In this study, we investigated the role of cell wall depolymerization in chilling tolerance induction in melatonin-treated peaches. Treatment with melatonin at 100 µM alleviated chilling symptom (mealiness) characterized by decrease in fruit firmness and increase in juice extractability in treated peaches during storage...
May 21, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29781254/determination-of-carbon-isotope-ratios-for-honey-samples-by-means-of-a-liquid-chromatography-isotope-ratio-mass-spectrometry-system-coupled-with-a-post-column-pump
#15
Hiroto Kawashima, Momoka Suto, Nana Suto
RATIONALE: Liquid chromatography/isotope ratio mass spectrometry (LC/IRMS) has been used to authenticate and trace products such as honey, wine, and lemon juice, and compounds such as caffeine and pesticides. However, LC/IRMS has several disadvantages, including the high cost of the CO2 membrane and blocking by solidified sodium persulfate. Here, we developed an improved system for determining carbon isotope ratios by LC/IRMS. METHODS: The main improvement was the use of a post-column pump...
May 20, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29779250/soy-protein-supplement-intake-for-12-months-has-no-effect-on-sexual-maturation-and-may-improve-nutritional-status-in-pre-pubertal-children
#16
Sandra M Duitama, Javier Zurita, Diana Cordoba, Paola Duran, Leopold Ilag, Wilson Mejia
AIM: To evaluate the intake of a soy protein-based supplement (SPS) and its effects on the sexual maturation and nutritional status of prepubertal children who consumed it for a year. METHODS: Healthy children (n = 51) were recruited and randomly assigned to consume the lunch fruit juice with (n = 29) or without (n = 22) addition of 45 g of a commercial soy protein-based supplement (SPS) over 12 months. Nutritional assessment including anthropometry (bodyweight, height, triceps skinfold thickness, mid-upper arm circumference), body mass index (BMI), upper arm muscle area, arm muscle circumference, upper arm area, upper arm fat area data were derived from measures using usual procedures; age and gender-specific percentiles were used as reference...
May 20, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29778199/disinfection-of-transboundary-animal-disease-viruses-on-surfaces-used-in-pork-packing-plants
#17
Peter W Krug, Talina Davis, Catherine O'Brien, Michael LaRocco, Luis L Rodriguez
In the event of an intentional or accidental incursion of a transboundary animal disease (TAD) virus into the US, a major concern to the meat industry would be the potential contamination of packing plants by processing infected animals. TAD agents such as foot and mouth disease virus (FMDV), African swine fever virus (ASFV) and classical swine fever virus (CSFV) are found in swine products such as blood and feces and are present in the tissues of infected animals. To test the disinfection of TAD viruses in a pork-packing environment, a previously developed disinfection assay was used to test two biocides currently used by industry sanitarians, against TAD viruses dried on industry relevant surfaces in saline or swine products...
June 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29776784/100-juice-fruit-and-vegetable-intake-among-children-in-the-special-supplemental-nutrition-program-for-women-infants-and-children-and-nonparticipants
#18
Kelsey A Vercammen, Alyssa J Moran, Laura Y Zatz, Eric B Rimm
INTRODUCTION: The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) provides monthly food packages to low-income children (aged 1-4 years) in the U.S., including 128 ounces of 100% fruit juice and an $8 cash value voucher for purchasing fruits and vegetables. The fruit juice allowance translates to 71%-107% of the maximum intake recommended by the American Academy of Pediatrics (4-6 ounces/day). Careful examination of WIC food package allocations is necessary because overconsumption of fruit juice among young children has been linked to weight gain and juice lacks important nutrients found in whole fruit (e...
May 15, 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29776455/optimization-and-validation-of-an-analytical-method-for-the-determination-of-some-trace-and-toxic-elements-in-canned-fruit-juices-using-quadrupole-inductively-coupled-plasma-mass-spectrometer
#19
Eglal R Souaya, Mona A Khorshed, Mahmoud M Ghuniem
Background: There is increasing concern about the health effects on humans due to continuous consumption of fruit juices contaminated with metals. Objective: Quadrupole inductively coupled mass spectrometry (Q-ICP-MS) was optimized, validated, and applied in routine analysis for determination of As, Pb, Cd, Sb, Hg, Cu, Zn, Fe, Al, Cr, Sn, Co, Mn, and Ni in fruit juice beverages. Methods: Several validation parameters, such as detection limits (DLs), quantification limits, linearity, accuracy, and measurement uncertainty (MU), were studied under optimized Q-ICP-MS conditions...
May 18, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29775856/a-simple-ultrasensitive-electrochemical-sensor-for-simultaneous-determination-of-gallic-acid-and-uric-acid-in-human-urine-and-fruit-juices-based-on-zirconia-choline-chloride-gold-nanoparticles-modified-carbon-paste-electrode
#20
Seyed Alireza Shahamirifard, Mehrorang Ghaedi, Zahra Razmi, Shaaker Hajati
The determination of gallic acid (GA) and uric acid (UA) is essential due to their biological properties. Numerous methods have been reported for the analysis of GA and UA in various real samples. However, the development of a simple, rapid and practical sensor still remains a great challenge. Here, a carbon paste electrode (CPE) was modified by nanocomposite containing zirconia nanoparticles (ZrO2 NPs), Choline chloride (ChCl) and gold nanoparticles (AuNPs) to construct ZrO2 -ChCl-AuNPs/CPE as electrochemical sensor for the simultaneous electro-oxidation of GA and UA...
May 8, 2018: Biosensors & Bioelectronics
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