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https://www.readbyqxmd.com/read/29353433/recent-trends-and-analytical-challenges-in-plant-bioactive-peptide-separation-identification-and-validation
#1
REVIEW
Susy Piovesana, Anna Laura Capriotti, Chiara Cavaliere, Giorgia La Barbera, Carmela Maria Montone, Riccardo Zenezini Chiozzi, Aldo Laganà
Interest in research into bioactive peptides (BPs) is growing because of their health-promoting ability. Several bioactivities have been ascribed to peptides, including antioxidant, antihypertensive and antimicrobial properties. As they can be produced from precursor proteins, the investigation of BPs in foods is becoming increasingly popular. For the same reason, production of BPs from by-products has also emerged as a possible means of reducing waste and recovering value-added compounds suitable for functional food production and supplements...
January 20, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29353425/natural-attenuation-of-petroleum-hydrocarbons-a-study-of-biodegradation-effects-in-groundwater-vitanovac-serbia
#2
Nenad Marić, Ivan Matić, Petar Papić, Vladimir P Beškoski, Mila Ilić, Gordana Gojgić-Cvijović, Srđan Miletić, Zoran Nikić, Miroslav M Vrvić
The role of natural attenuation processes in groundwater contamination by petroleum hydrocarbons is of intense scientific and practical interest. This study provides insight into the biodegradation effects in groundwater at a site contaminated by kerosene (jet fuel) in 1993 (Vitanovac, Serbia). Total petroleum hydrocarbons (TPH), hydrochemical indicators (O2, NO3-, Mn, Fe, SO42-, HCO3-), δ13C of dissolved inorganic carbon (DIC), and other parameters were measured to demonstrate biodegradation effects in groundwater at the contaminated site...
January 20, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29353398/new-strategies-of-arv-the-road-to-simplification
#3
REVIEW
Rosa de Miguel Buckley, Rocio Montejano, Natalia Stella-Ascariz, Jose R Arribas
PURPOSE OF REVIEW: Simplification of antiretroviral therapy is a strategy aiming to reduce pill burden, drug interactions, and toxicity. This review focuses on the most recent and important studies evaluating a reduction on the number of drugs for HIV treatment, both in naive and virologically suppressed patients. RECENT FINDINGS: Interesting studies have been performed in the past years testing dual therapy and monotherapy, with variable rates of virological control...
January 20, 2018: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/29353396/the-differences-in-the-assessments-of-side-effects-at-an-oncology-outpatient-clinic
#4
A Bayraktar-Ekincioglu, E Kucuk
Background There is a growing interest in the use of targeted and immunotherapies in oncology. However, the assessment of side effects can be different due to interpretation of patients' health status by healthcare professionals in oncology outpatient clinics. Objective To demonstrate the differences in the assessments of side effects conducted independently by a clinical pharmacist and nurses in patients who receive targeted therapies at an oncology outpatient clinic. Setting The study was conducted at the University Oncology Hospital in an outpatient clinic from October 2015 to March 2016...
January 20, 2018: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/29353385/the-relative-importance-of-clinical-economic-patient-values-and-feasibility-criteria-in-cancer-drug-reimbursement-in-canada-a-revealed-preferences-analysis-of-recommendations-of-the-pan-canadian-oncology-drug-review-2011-2017
#5
Chris Skedgel, Dominika Wranik, Min Hu
BACKGROUND: Most Canadian provinces and territories rely on the pan-Canadian Oncology Drug Review (pCODR) to provide recommendations regarding public reimbursement of cancer drugs. The pCODR review process considers four dimensions of value-clinical benefit, economic evaluation, patient-based values and adoption feasibility-but they do not define weights for individual decision criteria or an acceptable threshold for any of the criteria. Given this implicit review process, it is of interest to understand which factors appear to carry the most weight in pCODR recommendations using a revealed preferences approach...
January 20, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29353373/disturbance-of-metabotropic-glutamate-receptor-mediated-long-term-depression-mglu-ltd-of-excitatory-synaptic-transmission-in-the-rat-hippocampus-after-prenatal-immune-challenge
#6
Mélanie Cavalier, Azza Ben Sedrine, Lea Thevenet, Nadine Crouzin, Janique Guiramand, Marie-Céleste de Jésus Ferreira, Catherine Cohen-Solal, Gérard Barbanel, Michel Vignes
Maternal immune challenge has proved to induce moderate to severe behavioral disabilities in the offspring. Cognitive/behavioral deficits are supported by changes in synaptic plasticity in different brain areas. We have reported previously that prenatal exposure to bacterial LPS could induce inhibition of hippocampal long-term potentiation (LTP) in the CA1 area of the juvenile/adult male offspring associated with spatial learning inabilities. Nevertheless, deficits in plasticity could be observed at earlier stages as shown by the early loss of long-term depression (LTD) in immature animals...
January 20, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29353358/modeling-the-impact-of-transport-energy-consumption-on-co2-emission-in-pakistan-evidence-from-ardl-approach
#7
Danish, Muhammad Awais Baloch, Shah Suad
The objective of this research is to examine the relationship between transport energy consumption, economic growth, and carbon dioxide emission (CO2) from transport sector incorporating foreign direct investment and urbanization. This study is carried out in Pakistan by applying autoregressive distributive lag (ARDL) and vector error correction model (VECM) over 1990-2015. The empirical results indicate a strong significant impact of transport energy consumption on CO2 emissions from the transportation sector...
January 20, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29353346/singleplex-quantitative-real-time-pcr-for-the-assessment-of-human-mitochondrial-dna-quantity-and-quality
#8
Corey Goodwin, Denice Higgins, Shanan S Tobe, Jeremy Austin, Andrew Wotherspoon, Michelle E Gahan, Dennis McNevin
Mitochondrial DNA (mtDNA) can provide a means for forensic identity testing when genotyping of nuclear DNA (nuDNA) targets is not possible due to degradation or lack of template. For degraded samples, an indication of the quantity and quality of mtDNA is essential to allow selection of appropriately sized targets for hypervariable region (HVR) analysis, which may conserve sample and resources. Three human-specific mtDNA targets of increasing length (86, 190 and 452 base pairs) were amplified by singleplex quantitative real-time PCR (qPCR), capable of providing an index of mtDNA degradation from fragment length information...
January 20, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29353289/the-new-agreement-of-the-international-riga-consensus-conference-on-nasal-airway-function-tests
#9
K Vogt, G Bachmann-Harildstad, A Lintermann, A Nechyporenko, F Peters, K D Wernecke
The report reflects an agreement based on the consensus conference of the International Standardization Committee on the Objective Assessment of the Nasal Airway in Riga, 2nd Nov. 2016. The aim of the conference was to address the existing nasal airway function tests and to take into account physical, mathematical and technical correctness as a base of international standardization as well as the requirements of the Council Directive 93/42/EEC of 14 June 1993 concerning medical devices. Rhinomanometry, acoustic rhinometry, peak nasal inspiratory flow, Odiosoft-Rhino, optical rhinometry, 24-h measurements, computational fluid dynamics, nasometry and the mirrow test were evaluated for important diagnostic criteria, which are the precision of the equipment including calibration and the software applied; validity with sensitivity, specificity, positive and negative predictive values, reliability with intra-individual and inter-individual reproducibility and responsiveness in clinical studies...
January 21, 2018: Rhinology
https://www.readbyqxmd.com/read/29353276/what-can-google-inform-us-about-people-s-interests-regarding-dental-caries-in-different-populations
#10
Patricia Estefania Aguirre, Melina Coelho, Thaís Oliveira, Daniela Rios, Agnes Fátima Cruvinel, Thiago Cruvinel
The diagnosis or suspicion of dental caries can lead people to seek additional information on the Internet through the use of structured queries in search engine tools. This action generates a considerable volume of data, which can be analyzed to provide a better understanding of the public's behavior linked to the consumption of oral health information. This study aimed to assess the volume and profile of web searches on dental caries-related queries performed by Google users from different countries. The monthly variation of the Search Volume Index (SVI) for dental caries was obtained in Google Trends for the period between January 2004 and September 2016...
January 20, 2018: Caries Research
https://www.readbyqxmd.com/read/29353170/transgenerational-effects-of-ocean-warming-on-the-sea-urchin-strongylocentrotus-intermedius
#11
Chong Zhao, Lisheng Zhang, Dongtao Shi, Jingyun Ding, Donghong Yin, Jiangnan Sun, Baojing Zhang, Lingling Zhang, Yaqing Chang
Transgenerational effects, which involve both selection and plasticity, are important for the evolutionary adaptation of echinoderms in the changing ocean. Here, we investigated the effects of breeding design and water temperature for offspring on fertilization, hatchability, larval survival, size, abnormality and metamorphosis of the sea urchin Strongylocentrotus intermedius, whose dams and sires were exposed to long-term (~15 months) elevated temperature (~3°C above ambient) or ambient temperature. There was no transgenerational effect on fertilization and metamorphosis of S...
January 17, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29353161/automated-diagnosis-of-focal-liver-lesions-using-bidirectional-empirical-mode-decomposition-features
#12
U Rajendra Acharya, Joel En Wei Koh, Yuki Hagiwara, Jen Hong Tan, Arkadiusz Gertych, Anushya Vijayananthan, Nur Adura Yaakup, Basri Johan Jeet Abdullah, Mohd Kamil Bin Mohd Fabell, Chai Hong Yeong
Liver is the heaviest internal organ of the human body and performs many vital functions. Prolonged cirrhosis and fatty liver disease may lead to the formation of benign or malignant lesions in this organ, and an early and reliable evaluation of these conditions can improve treatment outcomes. Ultrasound imaging is a safe, non-invasive, and cost-effective way of diagnosing liver lesions. However, this technique has limited performance in determining the nature of the lesions. This study initiates a computer-aided diagnosis (CAD) system to aid radiologists in an objective and more reliable interpretation of ultrasound images of liver lesions...
January 3, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29353121/tau-pet-imaging-with-18f-av-1451-in-primary-progressive-apraxia-of-speech
#13
Rene L Utianski, Jennifer L Whitwell, Christopher G Schwarz, Matthew L Senjem, Nirubol Tosakulwong, Joseph R Duffy, Heather M Clark, Mary M Machulda, Ronald C Petersen, Clifford R Jack, Val J Lowe, Keith A Josephs
Apraxia of speech is a motor speech disorder characterized by combinations of slow speaking rate, abnormal prosody, distorted sound substitutions, and trial-and-error articulatory movements. Apraxia of speech is due to abnormal planning and/or programming of speech production. It is referred to as primary progressive apraxia of speech (PPAOS) when it is the only symptom of a neurodegenerative condition. Past reports suggest an association of PPAOS with primary 4-repeat (4R) tau (e.g., progressive supranuclear palsy, corticobasal degeneration), rather than amyloid, pathology...
January 2, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29353105/biomimetic-and-enzyme-responsive-dynamic-hydrogels-for-studying-cell-matrix-interactions-in-pancreatic-ductal-adenocarcinoma
#14
Hung-Yi Liu, Murray Korc, Chien-Chi Lin
The tumor microenvironment (TME) governs all aspects of cancer progression and in vitro 3D cell culture platforms are increasingly developed to emulate the interactions between components of the stromal tissues and cancer cells. However, conventional cell culture platforms are inadequate in recapitulating the TME, which has complex compositions and dynamically changing matrix mechanics. In this study, we developed a dynamic gelatin-hyaluronic acid hybrid hydrogel system through integrating modular thiol-norbornene photopolymerization and enzyme-triggered on-demand matrix stiffening...
January 8, 2018: Biomaterials
https://www.readbyqxmd.com/read/29353078/blood-biochemical-parameters-and-melanomacrophage-centers-in-nile-tilapia-fed-essential-oils-of-clove-basil-and-ginger
#15
Aline Brum, Scheila Anelise Pereira, Lucas Cardoso, Edsandra Campos Chagas, Francisco Célio Maia Chaves, José Luiz Pedreira Mouriño, Maurício Laterça Martins
Nile tilapia (Oreochromis niloticus) is the most farmed freshwater fish in the world, however, disease outbreaks are the main cause of losses in production. Due to this, there is an increasing interest in natural products for enhancing disease resistance, without causing physiological impairment. The aim of this study was to verify the effect of the essential oils of clove basil (Ocimum gratissimum) and ginger (Zingiber officinale) on physiological and immunological parameters of nile tilapia. After 35 and 55 days of supplementation (0...
January 15, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29353062/microrna-in-rat-liver-sinusoidal-endothelial-cells-and-hepatocytes-and-application-to-circulating-biomarkers-that-discern-pathogenesis-of-liver-injuries
#16
Shingo Oda, Masaki Takeuchi, Sho Akai, Yuji Shirai, Koichi Tsuneyama, Tsuyoshi Yokoi
Sinusoidal obstruction syndrome is a serious liver injury caused by toxic injury to liver sinusoidal endothelial cells (LSECs) during clinical chemotherapy. Although circulating microRNAs (miRNAs), such as hepatocyte-specific miR-122-5p and miR-192-5p, have been proposed as potential noninvasive biomarkers of hepatocellular liver injury, these miRNAs may not be specific to damage to other hepatic cell types, including LSECs. Here, we characterized miRNA expression in LSECs and hepatocytes and investigated whether cell type-specific miRNAs in plasma can discern pathogenesis of liver injuries in rats...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29353020/ultrasound-improves-antimicrobial-effect-of-sodium-dichloroisocyanurate-to-reduce-salmonella-typhimurium-on-purple-cabbage
#17
Ana Lúcia Almeida Duarte, Denes Kaic Alves do Rosário, Syllas Borburema Silva Oliveira, Hygor Lendell Silva de Souza, Raquel Vieira de Carvalho, Joel Camilo Souza Carneiro, Pollyanna Ibrahim Silva, Patrícia Campos Bernardes
The consumer's interest in ready-to-eat, fast-ready, nutritious and fresh foods is a major challenge for the food industry. Thus, studies on new sanitization methods are relevant. The effect of Sodium Hypochlorite (SH), Benzalkonium Chloride (BC), and Sodium Dichloroisocyanurate (SD) isolated or combined with Ultrasound (US) in purple cabbage quality over 7 days of storage at 8 ± 1 °C was evaluated. The natural microbiota (mesophilic aerobic bacteria, lactic acid bacteria and coliforms), intentionally inoculated Salmonella Typhimurium, physicochemical quality (anthocyanins, pH, total titratable acidity, instrumental color and mass loss) and sensorial quality (multiple comparison test and visual sensory acceptance) were analyzed...
January 8, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29352946/redox-enzyme-sensitive-chondroitin-sulfate-based-self-assembled-nanoparticles-loading-docetaxel-for-the-inhibition-of-metastasis-and-growth-of-melanoma
#18
Mengrui Liu, Hongliang Du, Abdur Rauf Khan, Jianbo Ji, Aihua Yu, Guangxi Zhai
In this report, redox/enzyme responsive chondroitin sulfate-ss-deoxycholic acid (CSCD) conjugates were synthesized using cystamine as the linkage which could self-assemble to form self-assembled nanoparticles (175.6 + 5.2 nm) in the aqueous environment. Docetaxel (DTX) was loaded in nanoparticles with desired loading efficiency for the inhibition of tumor growth and metastasis of melanoma. Interestingly, nanoparticles were demonstrated to respond to hyaluronidase-1 (Hyal-1) which could degrade chondroitin sulfate (CS) backbones...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352941/preparation-and-characterization-of-pva-nanocellulose-ag-nanocomposite-films-for-antimicrobial-food-packaging
#19
Muhammad Salman Sarwar, Muhammad Bilal Khan Niazi, Zaib Jahan, Tahir Ahmad, Arshad Hussain
Antimicrobial packaging is an area of emerging interest and is rapidly expanding with application of nanotechnology. The present work investigates the effect of nanocellulose (NC) and Ag NPs on the physical, mechanical and thermal properties of PVA nanocomposite films. The tensile strength of PVA was improved from 5.52 ± 0.27 MPa to 12.32 ± 0.61 MPa when filled with 8 wt% of NC. Nanocomposite films exhibited strong antibacterial activity against both Staphylococcus aureus (MRSA) and Escherichia coli (DH5-alpha)...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352919/comprehensive-analysis-of-glycosaminoglycans-from-the-edible-shellfish
#20
Yusuke Okamoto, Kyohei Higashi, Robert J Linhardt, Toshihiko Toida
We have previously reported that the keratan sulfate (KS) disaccharide was branched to the C-3 position of glucuronate in chondroitin sulfate (CS)-E derived from the Mactra chinensis. We carried out the comprehensive disaccharide analysis of GAGs from 10 shellfish, Ruditapes philippinarum, Scapharca broughtonii, Mizuhopecten yessoensis, Turbo cornutus, Crassostrea nippona, Corbicula japonica, Mytilus galloprovincialis, Neptunea intersculpta, Pseudocardium sachalinense and Crassostrea gigas, to better understand the glycan structures in marine organisms...
March 15, 2018: Carbohydrate Polymers
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