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https://www.readbyqxmd.com/read/28933773/rapid-quantification-of-major-volatile-metabolites-in-fermented-food-and-beverages-using-gas-chromatography-mass-spectrometry
#1
Farhana R Pinu, Silas G Villas-Boas
Here we present a method for the accurate quantification of major volatile metabolites found in different food and beverages, including ethanol, acetic acid and other aroma compounds, using gas chromatography coupled to mass spectrometry (GC-MS). The method is combined with a simple sample preparation procedure using sodium chloride and anhydrous ethyl acetate. The GC-MS analysis was accomplished within 4.75 min, and over 80 features were detected, of which 40 were positively identified using an in-house and a commercialmass spectrometry (MS) library...
July 26, 2017: Metabolites
https://www.readbyqxmd.com/read/28932179/non-invasive-real-time-monitoring-of-yeast-volatilome-by-ptr-tof-ms
#2
Iuliia Khomenko, Irene Stefanini, Luca Cappellin, Valentina Cappelletti, Pietro Franceschi, Duccio Cavalieri, Tilmann D Märk, Franco Biasioli
INTRODUCTION: Producing a wide range of volatile secondary metabolites Saccharomyces cerevisiae influences wine, beer, and bread sensory quality and hence selection of strains based on their volatilome becomes pivotal. A rapid on-line method for volatilome assessing of strains growing on standard solid media is still missing. OBJECTIVES: Methodologically, the aim of this study was to demonstrate the automatic, real-time, direct, and non-invasive monitoring of yeast volatilome in order to rapidly produce a robust large data set encompassing measurements relative to many strains, replicates and time points...
2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28931674/natural-reassortants-between-potentially-zoonotic-avian-influenza-viruses-h5n1-and-h9n2-from-egypt-display-distinct-pathogenic-phenotypes-in-experimentally-infected-chickens-and-ferrets
#3
Mahmoud M Naguib, Reiner Ulrich, Elisa Kasbohm, Christine L P Eng, Donata Hoffmann, Christian Grund, Martin Beer, Timm C Harder
Co-circulation of zoonotic highly pathogenic avian influenza virus (HPAIV) H5N1 and AIV of subtype H9N2 among poultry in Egypt for at least six years should render this country a hypothetical hotspot for the emergence of reassortant, phenotypically altered viruses, yet no reassortants have been detected in Egypt. The present investigations proved that reassortants between Egyptian H5N1 clade 2.2.1.2 and H9N2 of the G1-B lineage can be generated by co-amplification in embryonated chicken eggs. Reassortants were restricted to the H5N1 subtype and had acquired between two and all six of the internal segments of the H9N2 virus...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28930158/a-method-for-medical-diagnosis-based-on-optical-fluence-rate-distribution-at-tissue-surface
#4
Omnia Hamdy, Jala El-Azab, Tarek A Al-Saeed, Mahmoud F Hassan, Nahed H Solouma
Optical differentiation is a promising tool in biomedical diagnosis mainly because of its safety. The optical parameters' values of biological tissues differ according to the histopathology of the tissue and hence could be used for differentiation. The optical fluence rate distribution on tissue boundaries depends on the optical parameters. So, providing image displays of such distributions can provide a visual means of biomedical diagnosis. In this work, an experimental setup was implemented to measure the spatially-resolved steady state diffuse reflectance and transmittance of native and coagulated chicken liver and native and boiled breast chicken skin at 635 and 808 nm wavelengths laser irradiation...
September 20, 2017: Materials
https://www.readbyqxmd.com/read/28929389/plate-fixation-of-the-proximal-humerus-an-international-multicentre-comparative-study-of-postoperative-complications
#5
Frank J P Beeres, N D L Hallensleben, S J Rhemrev, J C Goslings, F Oehme, S A G Meylaerts, R Babst, N W L Schep
OBJECTIVE: The primary aim was to evaluate the number of complications following locking plate fixation of proximal humeral fractures in country X and in country Y. The secondary aim was to identify risk factors for complications. METHODS: Multicentre retrospective case series of 282 consecutive patients with proximal humeral fractures, treated with a locking plate between 2010 and 2014. SETTING: two level 1 trauma centres in country X and one in country Y...
September 19, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28929269/behavioral-health-integration-in-health-care-settings-lessons-learned-from-a-pediatric-hospital-primary-care-system
#6
Leandra Godoy, Melissa Long, Donna Marschall, Stacy Hodgkinson, Brooke Bokor, Hope Rhodes, Howard Crumpton, Mark Weissman, Lee Beers
Behavioral health integration within primary care has been evolving, but literature traditionally focuses on smaller scale efforts. We detail how behavioral health has been integrated across a large, urban pediatric hospital system's six primary care clinics (serving over 35,000 children annually and insured predominately through Medicaid) and discuss strategies for success in sustaining and expanding efforts to achieve effective integration of behavioral health into primary care. In a time span of 3 years, the clinics have implemented routine, universal behavioral health screening at well child visits, participated in a 15-month behavioral health screening quality improvement learning collaborative, and integrated the work of psychologists and psychiatrists...
September 19, 2017: Journal of Clinical Psychology in Medical Settings
https://www.readbyqxmd.com/read/28927638/quantitative-risk-assessment-via-uncertainty-analysis-in-combination-with-error-propagation-for-the-determination-of-the-dynamic-design-space-of-the-primary-drying-step-during-freeze-drying
#7
Pieter-Jan Van Bockstal, Séverine Thérèse F C Mortier, Jos Corver, Ingmar Nopens, Krist V Gernaey, Thomas De Beer
Traditional pharmaceutical freeze-drying is an inefficient batch process often applied to improve the stability of biopharmaceutical drug products. The freeze-drying process is regulated by the (dynamic) settings of the adaptable process parameters shelf temperature Ts and chamber pressure Pc. Mechanistic modelling of the primary drying step allows the computation of the optimal combination of Ts and Pc in function of the primary drying time. In this study, an uncertainty analysis was performed on the mechanistic primary drying model to construct the dynamic Design Space for the primary drying step of a freeze-drying process, allowing to quantitatively estimate and control the risk of cake collapse (i...
September 16, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28923835/no-effects-of-increased-alcohol-availability-during-adolescence-on-alcohol-related-morbidity-and-mortality-during-four-decades-a-natural-experiment
#8
Emelie Thern, Ting Jia, Mikaela Willmer, Jeroen de Munter, Thor Norström, Mats Ramstedt, George Davey Smith, Per Tynelius, Finn Rasmussen
BACKGROUND: A strict high legal age limit for alcohol purchases decreases adolescents' access to alcohol, but little is known about long-term health effects. The aim was to estimate the effect of increased alcohol availability during adolescence on alcohol-related morbidity and mortality. METHODS: A nationwide register-based study using data from a natural experiment setting. In two regions of Sweden, strong beer (4.5%-5.6% alcohol by volume) became temporarily available for purchase in grocery stores for individuals 16 years or older (instead of 21) in 1967/1968...
September 18, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28923145/pulmonary-effects-from-a-simulated-long-duration-mission-in-a-confined-cockpit
#9
Jeremy Beer, Todd S Dart, Joseph Fischer, James Kisner
INTRODUCTION: A recent U-2 fatigue study, in which 10 subjects completed 2 simulated long-duration missions breathing either 100% oxygen or air in a hypobaric chamber, offered an opportunity to compare subjects' pulmonary function before and after remaining seated in a confined cockpit for 12 h. METHODS: In one U-2 mission configuration, the subject wore a full pressure suit and breathed aviator's breathing oxygen while chamber pressure was maintained at 4572 m (15,000 ft) above mean sea level...
October 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#10
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922638/reverse-flow-injection-spectrophotometric-determination-of-ciprofloxacin-in-pharmaceuticals-using-iron-from-soil-as-a-green-reagent
#11
Sysay Palamy, Wirat Ruengsitagoon
A novel reverse flow injection spectrophotometric method for the determination of ciprofloxacin was successfully combined with the on-line introduction of an iron solution extracted from soil as green reagent. The assay was optimized by a univariate method to select the optimum conditions for the highest absorbance and highest stability of the complex. Beer-Lambert's law (λmax=440nm) is obeyed in the range 0.5-50μgmL(-1) with a correlation coefficient (r(2)) of 0.9976 and 0.9996 using soil as green reagent from Khon Kaen, Thailand and Vientiane, Laos, respectively...
September 13, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28921878/simplifying-sampling-for-african-swine-fever-surveillance-assessment-of-antibody-and-pathogen-detection-from-blood-swabs
#12
J Carlson, L Zani, T Schwaiger, I Nurmoja, A Viltrop, A Vilem, M Beer, S Blome
African swine fever (ASF) is a notifiable disease with serious socio-economic consequences that has been present in wild boar in the Baltic States and Poland since 2014. An introduction of ASF is usually accompanied by increased mortality, making fallen wild boar and hunted animals with signs of disease the main target for early warning and passive surveillance. It is difficult, however, to encourage hunters and foresters to report and take samples from these cases. A pragmatic and easy sampling approach with quick-drying swabs could facilitate this...
September 17, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28921638/graft-infiltrating-pd-l1-hi-cross-dressed-dendritic-cells-regulate-anti-donor-t-cell-responses-in-mouse-liver-transplant-tolerance
#13
Yoshihiro Ono, Angelica Perez-Gutierrez, Toshimasa Nakao, Helong Dai, Geoffrey Camirand, Osamu Yoshida, Shinichiro Yokota, Donna Beer Stolz, Mark A Ross, Adrian E Morelli, David A Geller, Angus W Thomson
While a key role of cross-dressing has been established in immunity to viral infection and more recently in the instigation of transplant rejection, its role in tolerance is unclear. Here, we investigated the role of intra-graft dendritic cells (DC) and cross-dressing in mouse major histocompatibility complex (MHC)-mismatched liver transplant tolerance that occurs without therapeutic immunosuppression. While donor interstitial DC diminished rapidly following transplantation, they were replaced in the liver by host DC that peaked on postoperative day (POD) 7 and persisted indefinitely...
September 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28921041/stabilization-of-scaphoid-type-b2-fractures-with-one-or-two-headless-compression-screws
#14
S Quadlbauer, T Beer, Ch Pezzei, J Jurkowitsch, A Tichy, T Hausner, M Leixnering
INTRODUCTION: Fractures of the scaphoid account for the most commonly injured carpal bone. Minimally displaced fractures of the waist will heal in 85-90% when using a below elbow cast. However, fractures with displacement have a higher risk for nonunion. Therefore, open reduction and fixation with headless compression screws (HCS) have become the preferred method of treatment. The aim of this study was to compare the radiological and clinical outcome of unstable scaphoid B2 type fractures, stabilized using one or two headless compression screws...
September 18, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28920388/-advances-in-anti-staling-brewer-s-yeast
#15
Jingjing Yang, Jinjing Wang, Yongxian Li, Feiyun Zheng, Junhui Zhong, Qi Li
Brewer's yeast is crucial in beer fermentation, mainly beer flavor diversity and stability. Beer flavor stability is one of the most influential beer quality aspects, and screening or breeding brewer's yeast with enhanced anti-staling capacity will be an effective solution. In recent decades, with the progress of genetic engineering and detailed description of brewer's yeast genome, great efforts have been made to improve brewer's yeast. This review highlights recent advances in classical and genetic engineering improvement of yeasts to produce more antioxidant compounds or less beer aging substances and precursors...
April 25, 2017: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/28919251/inhibition-of-saccharomyces-cerevisiae-growth-by-simultaneous-uptake-of-glucose-and-maltose
#16
Haruyo Hatanaka, Hitoshi Mitsunaga, Eiichiro Fukusaki
Saccharomyces cerevisiae expresses α-glucoside transporters, such as MalX1p (X=1(Agt1p), 2, 3, 4, and 6), which are proton symporters. These transporters are regulated at transcriptional and posttranslational levels in the presence of glucose. Malt wort contains glucose, maltose, and maltotriose, and the assimilation of maltose is delayed as a function of glucose concentration. With the objective of increasing beer fermentation rates, we characterized α-glucoside transporters and bred laboratory yeasts that expressed various α-glucoside transporters for the simultaneous uptake of different sugars...
September 14, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28916006/using-effective-public-private-collaboration-to-advance-integrated-care
#17
REVIEW
Lee S Beers, Leandra Godoy, Matthew G Biel
Integrated mental health services within health care settings have many benefits; however, several key barriers pose challenges to fully implemented and coordinated care. Collaborative, multistakeholder efforts, such as health networks, have the potential to overcome prevalent obstacles and to accelerate the dissemination of innovative clinical strategies. In addition to engaging clinical experts, efforts should also include the perspectives of families and communities, a grounding in data and evaluation, and a focus on policy and advocacy...
October 2017: Child and Adolescent Psychiatric Clinics of North America
https://www.readbyqxmd.com/read/28915966/use-of-anthropogenic-nitrogen-fertilizers-in-agriculture-is-associated-with-per-capita-ethanol-consumption
#18
Keith Fluegge, Kyle Fluegge
It has previously been demonstrated that emissions of the agricultural pollutant, nitrous oxide (N2O), may be a confounder to the relationship between herbicide use and psychiatric impairments, including ADHD. This report attempts to extend this hypothesis by testing whether annual use of anthropogenic nitrogen-based fertilizers in U.S. agriculture (thought to be the most reliable indicator of environmental N2O emissions) is associated with per capita ethanol consumption patterns, a behavior often comorbid with ADHD...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28915927/a-decade-of-research-into-classical-swine-fever-marker-vaccine-cp7_e2alf-suvaxyn-%C3%A2-csf-marker-a-review-of-vaccine-properties
#19
REVIEW
Sandra Blome, Kerstin Wernike, Ilona Reimann, Patricia König, Claudia Moß, Martin Beer
Due to its impact on animal health and pig industry, classical swine fever (CSF) is still one of the most important viral diseases of pigs. To control the disease, safe and highly efficacious live attenuated vaccines exist for decades. However, until recently, the available live vaccines did not allow a serological marker concept that is essentially important to circumvent long-term trade restrictions. In 2014, a new live attenuated marker vaccine, Suvaxyn(®) CSF Marker (Zoetis), was licensed by the European Medicines Agency...
September 15, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28915473/endocrine-disrupting-compounds-in-streams-in-israel-and-the-palestinian-west-bank-implications-for-transboundary-basin-management
#20
Pniela Dotan, Maayan Yeshayahu, Wa'd Odeh, Nina Gordon-Kirsch, Ludmila Groisman, Nader Al-Khateeb, Alfred Abed Rabbo, Alon Tal, Shai Arnon
Endocrine disrupting compounds (EDCs) frequently enter surface waters via discharges from wastewater treatment plants (WWTPs), as well as from industrial and agricultural activities, creating environmental and health concerns. In this study, selected EDCs were measured in water and sediments along two transboundary streams flowing from the Palestinian Authority (PA) into Israel (the Zomar-Alexander and Hebron-Beer Sheva Streams). We assessed how the complicated conflict situation between Israel and the PA and the absence of a coordinated strategy and joint stream management commission influence effective EDC control...
September 12, 2017: Journal of Environmental Management
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