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https://www.readbyqxmd.com/read/29146363/vortex-assisted-deep-eutectic-solvent-des-emulsification-liquid-liquid-microextraction-of-trace-curcumin-in-food-and-herbal-tea-samples
#1
Funda Aydin, Erkan Yilmaz, Mustafa Soylak
We developed a new microextraction method for separation and preconcentration of curcumin using deep eutectic solvent known as green solvent. Deep eutectic solvent (DES) formed by mixing of choline chloride and phenol was used as an extraction solvent in microextraction study to extract the curcumin at pH 4.0. The curcumin concentration in enriched DES phase was analyzed by UV-Visible spectrophotometer. The effect of parameters such as pH, mol ratio of DES composition, volume of DES, volume of tetrahydrofuran (THF) and sample volume were examined...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29145136/lead-cadmium-and-arsenic-in-human-milk-and-their-socio-demographic-and-lifestyle-determinants-in-lebanon
#2
Maya Bassil, Farah Daou, Hussein Hassan, Osama Yamani, Joelle Abi Kharma, Zouheir Attieh, Jomana Elaridi
INTRODUCTION: Exposure of newborns to toxic metals is of special interest due to their reported contamination in breast milk and potential harm. The aim of this study was to assess the occurrence and factors associated with lead, cadmium and arsenic contamination in breast milk collected from lactating mothers in Lebanon. METHODS: A total of 74 breast milk samples were collected from primaparas according to guidelines set by the World Health Organization. A survey was administered to determine the demographic and anthropometric characteristics of participating lactating mothers...
October 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/29145112/biochar-assisted-thermophilic-co-digestion-of-food-waste-and-waste-activated-sludge-under-high-feedstock-to-seed-sludge-ratio-in-batch-experiment
#3
Qian Li, Manjuan Xu, Gaojun Wang, Rong Chen, Wei Qiao, Xiaochang Wang
Batch experiments were conducted using biochar (BC) to promote stable and efficient methane production from thermophilic co-digestion of food waste (FW) and waste activated sludge (WAS) at feedstock/seed sludge (F/S) ratios of 0.25, 0.75, 1.5, 2.25, and 3. The results showed that the presence of BC dramatically shortened the lag time of methane production and increased the methane production rate with increased organic loading. The higher buffer capacity and large specific surface area of BC promoted microorganism growth and adaption to VFAs accumulation...
November 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29144894/clinical-community-partnerships-to-identify-patients-with-food-insecurity-and-address-food-needs
#4
Elizabeth A Lundeen, Karen R Siegel, Holly Calhoun, Sonia A Kim, Sandra P Garcia, Natalie M Hoeting, Diane M Harris, Laura Kettel Khan, Bryce Smith, Heidi M Blanck, Kevin Barnett, Anne C Haddix
INTRODUCTION: More than 42 million people in the United States are food insecure. Although some health care entities are addressing food insecurity among patients because of associations with disease risk and management, little is known about the components of these initiatives. METHODS: The Systematic Screening and Assessment Method was used to conduct a landscape assessment of US health care entity-based programs that screen patients for food insecurity and connect them with food resources...
November 16, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/29143440/use-of-innovative-micro-extraction-techniques-to-characterise-harpagophytum-procumbens-root-and-its-commercial-food-supplements
#5
Alina Diuzheva, Simone Carradori, Vasil Andruch, Marcello Locatelli, Elisa De Luca, Matteo Tiecco, Raimondo Germani, Luigi Menghini, Alessio Nocentini, Paola Gratteri, Cristina Campestre
INTRODUCTION: For the determination of harpagoside and the wide phenolic pattern in Harpagophytum procumbens root and its commercial food supplements, dispersive liquid-liquid microextraction (DLLME), ultrasound-assisted DLLME (UA-DLLME), and sugaring-out liquid-liquid extraction (SULLE) were tested and compared. OBJECTIVES: In order to optimise the extraction efficiency, DLLME and UA-DLLME were performed in different solvents (water and aqueous solutions of glucose, β-cyclodextrin, (2-hydroxypropyl)-β-cyclodextrin, sodium chloride, natural deep eutectic solvent, and ionic liquid)...
November 16, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/29143327/location-of-artifacts-deposited-by-the-blow-fly-lucilia-cuprina-after-feeding-on-human-blood-at-simulated-indoor-crime-scenes
#6
Annalisa Durdle, Timothy J Verdon, Robert John Mitchell, Roland A H van Oorschot
Human DNA profiles can be obtained from fly artifacts (feces and regurgitant) when a fly has been feeding on biological material, sometimes 2 years after deposition. Morphological similarity between artifacts and spots of unaltered biological material make it difficult to distinguish between them, and presumptive and confirmatory forensic tests are unreliable in making the distinction. Knowing possible artifact locations will assist investigators in recognizing where DNA contamination might occur. Flies were released into a house with human blood available under a variety of different climatic and lighting conditions...
November 16, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29142077/syndromic-panel-based-testing-in-clinical-microbiology
#7
REVIEW
Poornima Ramanan, Alexandra L Bryson, Matthew J Binnicker, Bobbi S Pritt, Robin Patel
The recent development of commercial panel-based molecular diagnostics for the rapid detection of pathogens in positive blood culture bottles, respiratory specimens, stool, and cerebrospinal fluid has resulted in a paradigm shift in clinical microbiology and clinical practice. This review focuses on U.S. Food and Drug Administration (FDA)-approved/cleared multiplex molecular panels with more than five targets designed to assist in the diagnosis of bloodstream, respiratory tract, gastrointestinal, or central nervous system infections...
January 2018: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/29138593/intrathecal-pain-management-a-team-based-approach
#8
REVIEW
Jeremy A Adler, Neona M Lotz
Objective: Physician assistants (PAs), nurse practitioners (NPs), and registered nurses (RNs) provide professional services on pain management teams. This review provides an overview of the practical management of chronic pain with intrathecal (IT) therapy using an interprofessional approach (eg, physicians and other health care professionals), with a focus on the contributions of PAs, NPs, and RNs. Methods: Narrative review based on literature searches of the Medline database and treatment guidelines on the use of IT therapy in the management of patients with chronic pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29137768/low-frequency-ultrasonic-assisted-hydrolysis-of-starch-in-the-presence-of-%C3%AE-amylase
#9
Anne Gaquere-Parker, Tamera Taylor, Raihannah Hutson, Ashley Rizzo, Aubrey Folds, Shastina Crittenden, Neelam Zahoor, Bilal Hussein, Aaron Arruda
Hydrolysis of starch is an important process in the food industry and in the production of bioethanol or smaller carbohydrate molecules that can be used as starting blocks for chemical synthesis. Such hydrolysis can be enhanced by lowering the pH, heating the reaction mixture or catalyzing the reaction with enzymes. This study reports the effect of sonication on the reaction rate of starch hydrolysis at different temperatures, in the presence or absence of alpha-amylase. Starch Azure, a commercially available potato starch covalently linked with Remazol Brilliant Blue, has been chosen since its hydrolysis releases a blue dye, which concentration can be monitored by UV Vis spectroscopy...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137730/the-influence-of-bovine-serum-albumin-modified-silica-on-the-physicochemical-properties-of-poly-vinyl-alcohol-nanocomposites-synthesized-by-ultrasonication-technique
#10
Shadpour Mallakpour, Hossein Yazdan Nazari
In this study, for the first time polymeric nanocomposite (NC) films of poly(vinyl alcohol)/SiO2@bovine serum albumin (PVA/SiO2@BSA) were synthesized by solution casting method under facile and fast method of sonication. In this regard, SiO2 nanoparticles (NPs) were modified by BSA, at room temperature by using phosphate buffer and ultrasonic-assisted method. Then, PVA/SiO2@BSA NCs were prepared by insertion of variant amount (3, 6 and 9wt%) of SiO2@BSA into the PVA matrix, under ultrasonic irradiation. The morphological traits of the NCs were surveyed by Fourier transform infrared spectroscopy, transmission electron microscopy, X-ray diffraction and field emission scanning electron microscopy...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137687/combining-traditional-dietary-assessment-methods-with-novel-metabolomics-techniques-present-efforts-by-the-food-biomarker-alliance
#11
Elske M Brouwer-Brolsma, Lorraine Brennan, Christian A Drevon, Henk van Kranen, Claudine Manach, Lars Ove Dragsted, Helen M Roche, Cristina Andres-Lacueva, Stephan J L Bakker, Jildau Bouwman, Francesco Capozzi, Sarah De Saeger, Thomas E Gundersen, Marjukka Kolehmainen, Sabine E Kulling, Rikard Landberg, Jakob Linseisen, Fulvio Mattivi, Ronald P Mensink, Cristina Scaccini, Thomas Skurk, Inge Tetens, Guy Vergeres, David S Wishart, Augustin Scalbert, Edith J M Feskens
FFQ, food diaries and 24 h recall methods represent the most commonly used dietary assessment tools in human studies on nutrition and health, but food intake biomarkers are assumed to provide a more objective reflection of intake. Unfortunately, very few of these biomarkers are sufficiently validated. This review provides an overview of food intake biomarker research and highlights present research efforts of the Joint Programming Initiative 'A Healthy Diet for a Healthy Life' (JPI-HDHL) Food Biomarkers Alliance (FoodBAll)...
November 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29137682/cefepime-induced-neurotoxicity-a-systematic-review
#12
Lauren E Payne, David J Gagnon, Richard R Riker, David B Seder, Elizabeth K Glisic, Jane G Morris, Gilles L Fraser
BACKGROUND: Cefepime is a widely used antibiotic with neurotoxicity attributed to its ability to cross the blood-brain barrier and exhibit concentration-dependent ϒ-aminobutyric acid (GABA) antagonism. Neurotoxic symptoms include depressed consciousness, encephalopathy, aphasia, myoclonus, seizures, and coma. Data suggest that up to 15% of ICU patients treated with cefepime may experience these adverse effects. Risk factors include renal dysfunction, excessive dosing, preexisting brain injury, and elevated serum cefepime concentrations...
November 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29136867/deep-eutectic-solvent-based-advance-microextraction-method-for-determination-of-aluminum-in-water-and-food-samples-multivariate-study
#13
Abdul Haleem Panhwar, Mustafa Tuzen, Tasneem Gul Kazi
Preconcentration of aluminum Al(3+) was carried out by a novel deep eutectic solvent based ultrasound-assisted liquid phase microextraction (DES-UALPME) method. The deep eutectic solvents (DESs), a green solvent was first time used for enrichment and quantification of very low concentration of Al(3+) in water and food samples, prior to analysed by electrothermal atomic absorption spectrometry (ETAAS). In present method it was observed that % recovery of Al-8-hydroxyquinoline chelates efficiently extracted by DES solvent...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136787/-1-h-nmr-assisted-quantification-of-glycerol-carbonate-in-the-mixture-of-glycerol-and-glycerol-carbonate
#14
Avneet Kaur, Ranjana Prakash, Amjad Ali
Glycerol carbonate (GLC) is a very important chemical having a variety of application viz., green solvent in organic synthesis, an electrolyte in lithium batteries, wetting agent in cosmetics and precursor in polymer and food industry for the synthesis of 1,3-sn-diglycerides. Hence, it is vital to find out the quick and simple method for the quantification of GLC when it is synthesized via dimethyl carbonate (DMC) assisted transesterification with glycerol (GL). Present study, proposes simple, accurate and non destructive quantitative proton nuclear magnetic resonance (qHNMR) method for the determination of GLC...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29132918/the-first-in-human-experience-with-a-minimally-invasive-ambulatory-counterpulsation-heart-assist-system-for-advanced-congestive-heart-failure
#15
Valluvan Jeevanandam, Tae Song, David Onsager, Takeyoshi Ota, Colleen Juricek LaBuhn, Thomas Lammy, Gabriel Sayer, Gene Kim, Sonna Patel-Raman, Nir Uriel
BACKGROUND: The intravascular ventricular assist system (iVAS) is a new, minimally invasive, ambulatory counterpulsation heart assist system delivered via the subclavian artery and powered by a portable driver. It is designed for recovery, bridge to transplantation (BTT) or for prolonging medical therapy. We report the first-in-human (FIH) experience with iVAS. METHODS: This is a prospective, non-randomized single arm, U.S. Food and Drug Administration (FDA)-approved early feasibility trial in patients listed for cardiac transplantation...
November 10, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29131446/food-provision-among-food-relief-agencies-in-rural-australia-and-perceived-barriers-and-enablers-to-provide-healthy-food
#16
Natalia Bortolin, Jaqueline Priestly, Janice Sangster
OBJECTIVE: Food insecurity affects 4-14% of Australians, and up to 82% of vulnerable groups. Food relief agencies commonly provide food parcels or food vouchers. Little research has been undertaken on food relief agencies within rural Australia. This study determined the type of food assistance provided by rural FRAs, and barriers and enablers to provide healthy food. DESIGN: Cross-sectional study, using telephone questionnaires with qualitative and quantitative aspects...
November 13, 2017: Australian Journal of Rural Health
https://www.readbyqxmd.com/read/29127694/nut-co-reactivity-acquiring-knowledge-for-elimination-recommendations-nut-cracker-study
#17
Arnon Elizur, Michael Y Appel, Liat Nachshon, Michael B Levy, Naama Epstein-Rigby, Keren Golobov, Michael Goldberg
BACKGROUND: Ambiguities exist regarding the diagnosis of tree-nut allergy, necessitating either elimination or performance of oral food challenges (OFC). OBJECTIVE: To examine the co-incidences of allergies among tree-nuts and improve diagnostic testing to minimize the need for OFC. METHODS: Eighty three patients prospectively evaluated for walnut, pecan, cashew, pistachio, hazelnut and almond allergy. A history of previous reactions was obtained and standardized skin prick tests (SPT) using finely ground tree-nut solution and basophil activation tests (BAT) were performed...
November 11, 2017: Allergy
https://www.readbyqxmd.com/read/29126661/a-supermarket-double-dollar-incentive-program-increases-purchases-of-fresh-fruits-and-vegetables-among-low-income-families-with-children-the-healthy-double-study
#18
Michele Polacsek, Alyssa Moran, Anne N Thorndike, Rebecca Boulos, Rebecca L Franckle, Julie C Greene, Dan J Blue, Jason P Block, Eric B Rimm
OBJECTIVE: To carry out a pilot study to determine whether a supermarket double-dollar fruit and vegetable (F&V) incentive increases F&V purchases among low-income families. DESIGN: Randomized controlled design. Purchases were tracked using a loyalty card that provided participants with a 5% discount on all purchases during a 3-month baseline period followed by the 4-month intervention. SETTING: A supermarket in a low-income rural Maine community...
November 7, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/29126658/-food-and-nutrition-in-primary-care-in-brazil
#19
Tatiane Nunes Pereira, Renata Alves Monteiro, Leonor Maria Pacheco Santos
OBJECTIVE: To describe food and nutrition actions in primary health care in Brazil. METHODS: Exploratory review of articles published between 2007 and 2016. Lilacs, PubMed, Scopus and Web of Science databases were consulted. RESULTS: 103 articles were included, mostly published between 2012 and 2016 and developed mainly in the Southeast region of Brazil. The most prevalent research topics were food behaviour or consumption, nutritional status and non-communicable diseases...
November 7, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/29125206/a-comparative-analysis-and-guide-to-virtual-reality-robotic-surgical-simulators
#20
Danielle Julian, Alyssa Tanaka, Patricia Mattingly, Mireille Truong, Manuela Perez, Roger Smith
BACKGROUND: Since the US Food and Drug Administration approved robotically assisted surgical devices for human surgery in 2000, the number of surgeries utilizing this innovative technology has risen. In 2015, approximately 650 000 robot-assisted procedures were performed worldwide. Surgeons must be properly trained to safely transition to using such innovative technology. Multiple virtual reality robotic simulators are now commercially available for educational and training purposes. There is a need for comparative evaluations of these simulators to aid users in selecting an appropriate device for their purposes...
November 10, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
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