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https://www.readbyqxmd.com/read/29332835/varietal-discrimination-of-hop-pellets-by-near-and-mid-infrared-spectroscopy
#1
Julio C Machado, Miguel A Faria, Isabel M P L V O Ferreira, Ricardo N M J Páscoa, João A Lopes
Hop is one of the most important ingredients of beer production and several varieties are commercialized. Therefore, it is important to find an eco-real-time-friendly-low-cost technique to distinguish and discriminate hop varieties. This paper describes the development of a method based on vibrational spectroscopy techniques, namely near- and mid-infrared spectroscopy, for the discrimination of 33 commercial hop varieties. A total of 165 samples (five for each hop variety) were analysed by both techniques. Principal component analysis, hierarchical cluster analysis and partial least squares discrimination analysis were the chemometric tools used to discriminate positively the hop varieties...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29330369/bio-templated-fabrication-of-three-dimensional-network-activated-carbons-derived-from-mycelium-pellets-for-supercapacitor-applications
#2
Junnan Hao, Yajing Huang, Chun He, Wenjun Xu, Libei Yuan, Dong Shu, Xiaona Song, Tao Meng
In this work, a three-dimensional porous mycelium-derived activated carbon (3D-MAC) was fabricated via a facile bio-templating method using mycelium pellets as both the carbon source and the bio-template. After ZnCl2 activation and high-temperature carbonization, the specific thread-like chain structure of mycelium in the pellets can be maintained effectively. The hyphae and junctions of the cross-linking hyphae form nanowires and carbon nanoparticles that link with the neighboring nanoparticles to form a network structure...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29328807/conversion-of-agricultural-streams-and-food-processing-by-products-to-value-added-compounds-using-filamentous-fungi
#3
Lauryn G Chan, Joshua L Cohen, Juliana Maria Leite Nobrega de Moura Bell
The design of new food products and increased agricultural activities have produced a diversity of waste streams or by-products that contain a high load of organic matter. The underutilization of these streams presents a serious threat to the environment and to the financial viability of the agricultural sector and the food industry. Oleaginous microorganisms, such as yeast and microalgae, have been used to convert the organic matter present in many agricultural waste streams into an oil-rich biomass. Filamentous fungi are promising oleaginous microorganisms because of their high lipid accumulation potential and simple biomass recovery, the latter being related to their pellet-like growth morphology in submerged cultivation...
January 12, 2018: Annual Review of Food Science and Technology
https://www.readbyqxmd.com/read/29326489/ondansetron-ameliorates-depression-associated-with-obesity-in-high-fat-diet-fed-experimental-mice-an-investigation-based-on-the-behavioral-biochemical-and-molecular-approach
#4
Yeshwant Kurhe, Radhakrishnan Mahesh
INTRODUCTION: Obesity is an important risk factor for depression as more than half of the obese population is susceptible for depression at double rate. Our earlier studies reported the antidepressant potential of 5-HT3 receptor antagonist, ondansetron (OND) in depression associated obesity using behavioral tasks. The present research work is aimed to evaluate the effect of OND on depression associated with obesity with special emphasis on biochemical and molecular mechanisms such as hippocampal brain-derived neurotrophic factor (BDNF), cyclic adenosine monophosphate (cAMP), 5-hydroxytryptamine (5-HT), hippocampal histological examination and immunohistochemical expression of p53 proteins...
July 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29326210/complete-genome-sequencing-of-acinetobacter-sp-strain-logew2-3-isolated-from-the-pellet-of-a-white-stork-reveals-a-novel-class-d-beta-lactamase-gene
#5
Ulrike Blaschke, Evelyn Skiebe, Michael Kaatz, Paul G Higgins, Yvonne Pfeifer, Gottfried Wilharm
Whole-genome sequencing of Acinetobacter sp. strain LoGeW2-3, isolated from the pellet of a white stork (Ciconia ciconia), reveals the presence of a plasmid of 179,399 bp encoding a CRISPR-Cas (clustered regularly interspaced short palindromic repeats and associated genes) system of the I-F type, and the chromosomally encoded novel class D beta-lactamase OXA-568.
January 11, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29324934/stem-cells-therapy-the-future-in-the-management-of-systemic-sclerosis-a-case-report
#6
Jung In Song, Silvanie Volz, Maria Eirini Liodaki, Peter Mailänder, Konstantinos Kalousis
OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disorder of unknown etiology, with heterogeneous clinical manifestations and chronic and often progressive course. The diffuse cutaneous form of SSc (dcSSc) is characterized by thickening of the skin (scleroderma) and distinctive involvement of multiple internal organs. Patients with limited cutaneous SSc (lcSSc) generally have long-standing Raynaud's phenomenon before other manifestations of SSc appear. Over the last decade the Interest of adipose-derived cell therapy in regenerative medicine has increased continuously...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324324/investigation-of-the-factors-that-influence-lead-accumulation-onto-polyethylene-implication-for-potable-water-plumbing-pipes
#7
Maryam Salehi, Chad T Jafvert, John A Howarter, Andrew J Whelton
The influence of polymer aging, water pH, and aqueous Pb concentration on Pb deposition onto low density polyethylene (LDPE) was investigated. LDPE pellets were aged by ozonation at 85 °C. ATR-FTIR and X-ray photoelectron spectroscopy (XPS) analysis of aged LDPE surfaces showed that a variety of polar functional groups (>CO<, >CO, >COO) were formed during aging. These functional groups likely provided better nucleation sites for Pb(OH)2 deposition compared to new LDPE, which did not have these oxygen-containing functional groups...
December 29, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29322010/beneficiary-effect-of-commiphora-mukul-ethanolic-extract-against-high-fructose-diet-induced-abnormalities-in-carbohydrate-and-lipid-metabolism-in-wistar-rats
#8
Ramesh Bellamkonda, Rasineni Karuna, Bongu Sasi Bhusana Rao, Ketham Haritha, Bengeppagari Manjunatha, Somavarapu Silpa, Desireddy Saralakumari
The present study was proposed to elucidate the effect of Commiphora mukul gum resin elthanolic extract treatment on alterations in carbohydrate and lipid metabolisms in rats fed with high-fructose diet. Male Wistar rats were divided into four groups: two of these groups (group C and C+CM) were fed with standard pellet diet and the other two groups (group F and F+CM) were fed with high fructose (66 %) diet. C. mukul suspension in 5% Tween-80 in distilled water (200 mg/kg body weight/day) was administered orally to group C+CM and group F+CM...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29319405/does-stroke-rehabilitation-really-matter-part-a-proportional-stroke-recovery-in-the-rat
#9
Matthew Strider Jeffers, Sudhir Karthikeyan, Dale Corbett
BACKGROUND: In human upper-limb stroke, initial level of functional impairment or corticospinal tract injury can accurately predict the degree of poststroke recovery, independent of rehabilitation practices. This proportional recovery rule implies that current rehabilitation practices may play little or no role in brain repair, with recovery largely a result of spontaneous biological recovery processes. OBJECTIVE: The present study sought to determine if similar biomarkers predict recovery of poststroke function in rats, indicating that an endogenous biological recovery process might be preserved across mammalian species...
January 1, 2018: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29317161/ir-and-kinetic-study-of-sewage-sludge-combustion-at-different-oxygen-concentrations
#10
Xingxing Cheng, Ming Zhang, Zhiqiang Wang, Guiying Xu, Chunyuan Ma
Thermal degradation of sewage sludge disposal is attracting more attention due to the increase in municipal wastewater treatment. In this work the performance of the thermochemical processes of sewage sludge at different oxygen concentrations was investigated by thermogravimetric (TG) and Fourier transform infrared analysis (FTIR) study. The oxygen concentrations were varied systematically from 0 to 20%, representing heating process from pyrolysis to full combustion. The evolutions of surface functional groups in these processes were also investigated by in situ diffuse reflectance infrared Fourier transform spectra (DRIFT), which helped to understand the reaction mechanism during the thermal degradation, especially when the reaction conditions were different...
January 6, 2018: Waste Management
https://www.readbyqxmd.com/read/29315373/female-offspring-from-chronic-hyperandrogenemic-dams-exhibit-delayed-puberty-and-impaired-ovarian-reserve
#11
Zhiqiang Wang, Mingjie Shen, Ping Xue, Sara A DiVall, James Segars, Sheng Wu
Female offspring of many species exposed to high doses of androgens in utero experience endocrine dysfunction during adulthood. The phenotype of offspring from females with pre-pregnancy hyperandrogenemia and impaired ovulation, however, has not been examined. We developed a mouse model of hyperandrogenemia by implanting a low dose dihydrotestosterone (DHT) pellet 15 days before conception. The serum DHT levels in dams treated with the pellet were 1.7 to 2 fold higher (p<0.005) than levels in dams without DHT...
January 5, 2018: Endocrinology
https://www.readbyqxmd.com/read/29315203/effects-of-auricular-acupressure-on-sleep-quality-anxiety-and-depressed-mood-in-rn-bsn-students-with-sleep-disturbance
#12
Ke-Hsin Chueh, Chia-Chuan Chang, Mei-Ling Yeh
BACKGROUND: Students in 2-year registered nurse to Bachelor of Science in nursing (RN-BSN) programs usually work full-time and study part-time. Sleep disturbance, anxiety, and depression are known to be common health problems among these students.Prior research has described the effectiveness of auricular acupressure (AA) in reducing sleep disturbance and improving mood. PURPOSE: The aim of this study was to evaluate the effect of using a 4-week AA program that adheres to a magnetic pellet on the shenmen acupoint on sleep quality, anxiousness, and depressed moods in nursing students with sleep disturbance...
February 2018: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/29314464/chemogenetic-inhibition-of-direct-pathway-striatal-neurons-normalizes-pathological-cue-induced-reinstatement-of-drug-seeking-in-rats
#13
Lindsay M Yager, Aaron F Garcia, Elizabeth A Donckels, Susan M Ferguson
Addiction to drugs such as cocaine is marked by cycles of compulsive drug-taking and drug-seeking behavior. Although the transition to addiction is thought to recruit neural processes in dorsal striatum, little is known regarding the role of dorsal striatal projections to the substantia nigra (i.e. the direct pathway) in regulating these behaviors. Combining a Cre-recombinase-dependent chemogenetic approach with a cocaine self-administration paradigm that produces both low-risk and high-risk addiction phenotypes, we examined the effect of transiently decreasing direct pathway activity in the dorsomedial striatum on drug-taking and drug-seeking under conditions of normal and pathological drug use...
January 5, 2018: Addiction Biology
https://www.readbyqxmd.com/read/29313200/use-of-non-living-lyophilized-phanerochaete-chrysosporium-cultivated-in-various-media-for-phenol-removal
#14
Tímea Pernyeszi, Viktor Farkas, Attila Felinger, Borbála Boros, Imre Dékány
The biosorption of phenol on non-living lyophilized mycelial pellets of Phanerochaete chrysosporium cultivated in liquid medium of various compositions was studied in batch biosorption system. The fungal cell surfaces were characterized by FTIR spectroscopy and specific surface charge determination. The sorption kinetics and equilibrium were evaluated using linear and non-linear regression. For adsorption equilibrium, a comparative evaluation is also presented using non-linear least-square estimation and linearization of the Langmuir and anti-Langmuir equations...
January 8, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29313037/soluble-collagen-vi-treatment-enhances-mesenchymal-stem-cells-expansion-for-engineering-cartilage
#15
Piera Smeriglio, Jieun Lee, Nidhi Bhutani
Bone Marrow-derived mesenchymal stem cells (BM-MSC) are an attractive source for cell-based therapies in cartilage injury owing to their efficient differentiation into chondrocytes and their immune-suppressive abilities. However, their clinical use is hampered by a scarcity of cells leading to compromised efficacy. While expansion of human MSC ex vivo can potentially overcome the scarcity of cells, current methods lead to a rapid loss of the stem cell properties. In this study, we report soluble Collagen VI (cartilage pericellular matrix component) as a potential biologic that can expand the MSC population while maintaining the stem cell phenotype as confirmed by expression of the stem cell markers CD105 and CD90...
September 2017: Bioengineering & Translational Medicine
https://www.readbyqxmd.com/read/29310277/calibration-and-field-evaluation-of-the-chemcatcher%C3%A2-passive-sampler-for-monitoring-metaldehyde-in-surface-water
#16
Glenn D Castle, Graham A Mills, Adil Bakir, Anthony Gravell, Melanie Schumacher, Ian Townsend, Lewis Jones, Richard Greenwood, Stuart Knott, Gary R Fones
Metaldehyde is a potent molluscicide. It is the active ingredient in most slug pellets used for crop protection. This polar compound is considered an emerging pollutant. Due to its environmental mobility, metaldehyde is frequently detected at impacted riverine sites, often at concentrations above the EU Drinking Water Directive limit of 0.1µgL-1 for an individual pesticide. This presents a problem when such waters are abstracted for use in the production of potable water supplies, as this chemical is difficult to remove using conventional treatment processes...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29310223/portable-vibration-assisted-filtration-device-for-on-site-isolation-of-blood-cells-or-pathogenic-bacteria-from-whole-human-blood
#17
Yong Tae Kim, Kyun Joo Park, Seyl Kim, Soon Ae Kim, Seok Jae Lee, Do Hyun Kim, Tae Jae Lee, Kyoung G Lee
Isolation of specific cells from whole blood is important to monitor disease prognosis and diagnosis. In this study, a vibration-assisted filtration (VF) device has been developed for isolation and recovery of specific cells such as leukocytes and pathogenic bacteria from human whole blood. The VF device is composed of three layers which was fabricated using injection molding with cyclic olefin copolymer (COC) pellets consisting of: a top layer with coin-type vibration motor (Ф = 10mm), a middle plate with a 1μm or 3μm-pore filter membrane to separate of Staphylococcus aureus (S...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29306909/detection-of-egfr-kras-and-braf-mutations-in-metastatic-cells-from-cerebrospinal-fluid
#18
Diane Frankel, Isabelle Nanni-Metellus, Andrée Robaglia-Schlupp, Pascale Tomasini, Julien Guinde, Fabrice Barlesi, Philippe Astoul, L'Houcine Ouafik, Florent Amatore, Véronique Secq, Elise Kaspi, Patrice Roll
BACKGROUND: In lung adenocarcinoma, molecular profiling of actionable genes has become essential to set up targeted therapies. However, the feasibility and the relevance of molecular profiling from the cerebrospinal fluid (CSF) in the context of meningeal metastasis have been poorly assessed. METHODS: We selected patients with stage IV lung adenocarcinoma harbouring metastatic cells in the CSF after cytological analysis. Seven samples from six patients were eligible for molecular testing of epidermal growth factor receptor (EGFR), V-Ki-ras2 Kirsten rat sarcoma viral oncogene homologue (KRAS), v-Raf murine sarcoma viral oncogene homologue B1 (BRAF) and human epidermal growth factor receptor 2 (HER2) mutations using quantitative polymerase chain reaction (PCR) high-resolution melting curve analysis and Sanger sequencing after DNA extraction from the cell pellets of the CSF...
January 8, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29306327/improved-mycelia-and-polysaccharide-production-of-grifola-frondosa-by-controlling-morphology-with-microparticle-talc
#19
Ting-Lei Tao, Feng-Jie Cui, Xiao-Xiao Chen, Wen-Jing Sun, Da-Ming Huang, Jinsong Zhang, Yan Yang, Di Wu, Wei-Min Liu
BACKGROUND: Mushroom showed pellet, clump and/or filamentous mycelial morphologies during submerged fermentation. Addition of microparticles including Talc (magnesium silicate), aluminum oxide and titanium oxide could control mycelial morphologies to improve mycelia growth and secondary metabolites production. Here, effect of microparticle Talc (45 μm) addition on the mycelial morphology, fermentation performance, monosaccharide compositions of polysaccharides and enzymes activities associated with polysaccharide synthesis in G...
January 6, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29305671/investigation-into-the-effects-of-tenilsetam-on-markers-of-neuroinflammation-in-gfap-il6-mice
#20
Erika Gyengesi, Huazheng Liang, Christopher Millington, Sandra Sonego, Daniel Sirijovski, Dhanushka Gunawardena, Karthik Dhananjayan, Madhuri Venigalla, Garry Niedermayer, Gerald Münch
PURPOSE: To test the short- and long-term effects of Tenilsetam on chronic neuroinflammation in the GFAP-IL6 mouse. METHODS: From 3 months of age, GFAP-IL6 mice were divided into 2 groups and fed with Tenilsetam enriched food pellets or control food pellets, respectively, for either 5 or 15 months. Total numbers of Iba-1+ microglia, TSPO+ cells were determined using an unbiased stereological method. Levels of methylglyoxal and TNF-α in the cerebellar homogenate were tested using HPLC and ELISA, respectively...
January 5, 2018: Pharmaceutical Research
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