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https://www.readbyqxmd.com/read/28528383/pretreatment-of-hardwood-and-miscanthus-with-trametes-versicolor-for-bioenergy-conversion-and-densification-strategies
#1
Ryan M Kalinoski, Hector D Flores, Sunil Thapa, Erin R Tuegel, Michael A Bilek, Evelin Y Reyes-Mendez, Michael J West, Tim J Dumonceaux, Thomas Canam
The pretreatment of plant biomass negatively impacts the economics of many bioenergy and bioproduct processes due to the thermochemical requirements for deconstruction of lignocelluluose. An effective strategy to reduce these severity requirements is to pretreat the biomass with white-rot fungi, such as Trametes versicolor, which have the innate ability to deconstruct lignocellulose with a suite of specialized enzymes. In the present study, the effects of 12 weeks of pretreatment with a wild-type strain (52J) and a cellobiose dehydrogenase-deficient strain (m4D) of T...
May 20, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28528200/sputum-transcriptomics-reveal-up-regulation-of-il-1-receptor-family-members-in-severe-asthma
#2
Christos Rossios, Stelios Pavlidis, Uruj Hoda, Chih-Hsi Kuo, Coen Wiegman, Kirsty Russell, Kai Sun, Matthew J Loza, Frederic Baribaud, Andrew L Durham, Oluwaseun Ojo, Rene Lutter, Anthony Rowe, Aruna Bansal, Charles Auffray, Ana Sousa, Julie Corfield, Ratko Djukanovic, Yike Guo, Peter J Sterk, Kian Fan Chung, Ian M Adcock
BACKGROUND: Sputum analysis in asthma is used to define airway inflammatory processes and may guide therapy. OBJECTIVE: To determine differential gene and protein expression in sputum samples from patients with severe asthma (SA) compared to mild-moderate non-smoking asthmatics (MMA). METHODS: Induced sputum was obtained from non-smoking SA (SAn), smokers/ex-smokers with SA (SAsm), MMA and healthy non-smoking controls. Differential cell counts, microarray analysis of cell pellets and SOMAscan analysis of sputum analytes was performed...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28528086/cellulosic-ethanol-status-and-innovation
#3
REVIEW
Lee R Lynd, Xiaoyu Liang, Mary J Biddy, Andrew Allee, Hao Cai, Thomas Foust, Michael E Himmel, Mark S Laser, Michael Wang, Charles E Wyman
Although the purchase price of cellulosic feedstocks is competitive with petroleum on an energy basis, the cost of lignocellulose conversion to ethanol using today's technology is high. Cost reductions can be pursued via either in-paradigm or new-paradigm innovation. As an example of new-paradigm innovation, consolidated bioprocessing using thermophilic bacteria combined with milling during fermentation (cotreatment) is analyzed. Acknowledging the nascent state of this approach, our analysis indicates potential for radically improved cost competitiveness and feasibility at smaller scale compared to current technology, arising from (a) R&D-driven advances (consolidated bioprocessing with cotreatment in lieu of thermochemical pretreatment and added fungal cellulase), and (b) configurational changes (fuel pellet coproduction instead of electricity, gas boiler(s) in lieu of a solid fuel boiler)...
May 18, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28527371/lutein-exerts-anti-inflammatory-effects-in-patients-with-coronary-artery-disease
#4
Rosanna W S Chung, Per Leanderson, Anna K Lundberg, Lena Jonasson
BACKGROUND AND AIMS: Many coronary artery disease (CAD) patients exhibit chronic low-grade inflammation. Carotenoids are anti-oxidants with potential anti-inflammatory properties. Here, we first assessed relationships between interleukin (IL)-6 and individual carotenoids in plasma from CAD patients. Based on the results, we proceeded to assess anti-inflammatory effects of one carotenoid, lutein, in peripheral blood mononuclear cells (PBMCs) from CAD patients. METHODS: Lutein + zeaxanthin (isomers with lutein being dominant), β-cryptoxanthin, lycopene, α- and β-carotene and IL-6 were measured in plasma from 134 patients with stable angina (SA) and 59 patients with acute coronary syndrome...
May 6, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28524687/observation-of-oscillatory-radial-electric-field-relaxation-in-a-helical-plasma
#5
J A Alonso, E Sánchez, I Calvo, J L Velasco, K J McCarthy, A Chmyga, L G Eliseev, T Estrada, R Kleiber, L I Krupnik, A V Melnikov, P Monreal, F I Parra, S Perfilov, A I Zhezhera
Measurements of the relaxation of a zonal electrostatic potential perturbation in a nonaxisymmetric magnetically confined plasma are presented. A sudden perturbation of the plasma equilibrium is induced by the injection of a cryogenic hydrogen pellet in the TJ-II stellarator, which is observed to be followed by a damped oscillation in the electrostatic potential. The waveform of the relaxation is consistent with theoretical calculations of zonal potential relaxation in a nonaxisymmetric magnetic geometry. The turbulent transport properties of a magnetic confinement configuration are expected to depend on the features of the collisionless damping of zonal flows, of which the present Letter is the first direct observation...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28523021/single-incision-laparoscopic-appendectomy-for-acute-appendicitis-using-a-10-mm-laparoscope-and-the-glove-port-technique
#6
Takaaki Tsushimi, Hirohito Mori, Manabu Sudo, Yoshihide Minami, Koichi Ueki, Makoto Tamai
OBJECTIVE: To evaluate the single incision laparoscopic appendectomy (SILA) using existing instruments, the 10-mm laparoscope, and glove port technique. METHODS: SILA was performed on 16 patients (8 male cases, 8 female cases) between June 2012 and September 2015. A 20-mm incision was made in the umbilicus and a wound retractor was placed. A 10-mm trocar for the laparoscope and two 5-mm trocars were fixed to the three fingers of the latex gloves and it was attached to the wound retractor...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522876/comparative-proteomic-analysis-of-the-mitochondria-associated-er-membrane-mam-in-a-long-term-type-2-diabetic-rodent-model
#7
Jacey Hongjie Ma, Shichen Shen, Joshua J Wang, Zhanwen He, Amanda Poon, Jun Li, Jun Qu, Sarah X Zhang
The mitochondria-associated ER membrane (MAM) plays a critical role in cellular energetics and calcium homeostasis; however, how MAM is affected under diabetic condition remains elusive. This study presented a comprehensive proteome profiling of isolated brain MAM from long-term type 2 diabetic mice vs. non-diabetic controls. MAM protein was extracted efficiently by a surfactant-aided precipitation/on-pellet digestion (SOD) method, and MAM proteome was quantified by an ion-current-based MS1 method combined with nanoLC-MS/MS...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522334/safety-evaluation-of-chlorella-sorokiniana-strain-ck-22-based-on-an-in-vitro-cytotoxicity-assay-and-a-13-week-subchronic-toxicity-trial-in-rats
#8
Sayaka Himuro, Sugi Ueno, Naoto Noguchi, Takuya Uchikawa, Toshihiro Kanno, Akira Yasutake
The genus Chlorella contains unicellular green algae that have been used as food supplements. The purpose of this work was to evaluate the safety of the Chlorella sorokiniana strain CK-22 using powdered preparation (CK-22P) both by in vitro and in vivo assays. These included an experiment for cytotoxicity using Chinese hamster lung fibroblasts (V79 cells) and a 13-week repeated-dose oral toxicity trial using Wistar rats. The cytotoxicity was evaluated by MTT assay of a hot water extract (Hw-Ex) and 80% ethanol extract (Et-Ex) of CK-22P, and no effect on cell viability was observed...
May 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28521222/flocculation-mechanism-of-the-actinomycete-streptomyces-sp-hsn06-on-chlorella-vulgaris
#9
Yi Li, Yanting Xu, Tianling Zheng, Hailei Wang
In this study, an actinomycete Streptomyces sp. hsn06 with the ability to harvest Chlorella vulgaris biomass was used to investigate the flocculation mechanism. Streptomyces sp. hsn06 exhibited flocculation activity on algal cells through mycelial pellets with adding calcium. Calcium was determined to promote flocculation activity of mycelial pellets as a bridge binding with mycelial pellets and algal cells, which implied that calcium bridging is the main flocculation mechanism for mycelial pellets. Characteristics of flocculation activity confirmed proteins in mycelial pellets involved in flocculation procedure...
May 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28521061/extracellular-camp-activates-molecular-signalling-pathways-associated-with-sperm-capacitation-in-bovines
#10
Carlos Agustín I Alonso, Claudia E Osycka-Salut, Luciana Castellano, Andreína Cesari, Nicolás Di Siervi, Adrián Mutto, Anders Johannisson, Jane M Morrell, Carlos Davio, Silvina Perez-Martinez
STUDY QUESTION: Is extracellular cAMP involved in the regulation of signalling pathways in bovine sperm capacitation? SUMMARY ANSWER: Extracellular cAMP-induced sperm capacitation through the activation of different signalling pathways that involve phospholipase C (PLC), PKC/ERK1-2 signalling and an increase in sperm Ca2+ levels, as well as soluble AC and cAMP/protein kinase A (PKA) signalling. WHAT IS KNOWN ALREADY: In order to fertilize the oocyte, ejaculated spermatozoa must undergo a series of changes in the female reproductive tract, known as capacitation...
May 18, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28518000/comparison-of-simulated-microgravity-and-hydrostatic-pressure-for-chondrogenesis-of-hasc
#11
Liliana F Mellor, Andrew J Steward, Rachel C Nordberg, Michael A Taylor, Elizabeth G Loboa
BACKGROUND: Cartilage tissue engineering is a growing field due to the lack of regenerative capacity of native tissue. The use of bioreactors for cartilage tissue engineering is common, but the results are controversial. Some studies suggest that microgravity bioreactors are ideal for chondrogenesis, while others show that mimicking hydrostatic pressure is crucial for cartilage formation. A parallel study comparing the effects of loading and unloading on chondrogenesis has not been performed...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28517027/lung-function-parameters-in-omalizumab-responder-patients-an-interesting-tool
#12
F Paganin, G Mangiapan, A Proust, A Prudhomme, J Attia, S Marchand-Adam, F Pellet, F Milhe, B Melloni, A Bernady, C Raspaud, C Nocent, P Berger, L Guilleminault
BACKGROUND: Omalizumab, an anti-IgE antibody, is used to treat patients with severe allergic asthma. The evolution of lung function parameters over time and the difference between omalizumab responder and non-responder patients remain inconclusive. The objective of this real-life study was to compare the changes in FEV1 of omalizumab responders and non-responders at 6 months. METHODS: A multicenter analysis was performed in 10 secondary and tertiary institutions...
May 18, 2017: Allergy
https://www.readbyqxmd.com/read/28516458/yh12852-a-potent-and-highly-selective-5-ht4-receptor-agonist-significantly-improves-both-upper-and-lower-gastrointestinal-motility-in-a-guinea-pig-model-of-postoperative-ileus
#13
Z Hussain, Y J Lee, H Yang, E J Jeong, J Y Sim, H Park
BACKGROUND: Postoperative ileus (POI) is a transient gastrointestinal (GI) dysmotility that commonly develops after abdominal surgery. YH12852, a novel, potent and highly selective 5-hydroxytryptamine 4 (5-HT4 ) receptor agonist, has been shown to improve both upper and lower GI motility in various animal studies and may have applications for the treatment of POI. Here, we investigated the effects and mechanism of action of YH12852 in a guinea pig model of POI to explore its therapeutic potential...
May 18, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28516253/comparison-of-the-effects-of-three-different-baccaurea-angulata-whole-fruit-juice-doses-on-plasma-aorta-and-liver-mda-levels-antioxidant-enzymes-and-total-antioxidant-capacity
#14
Muhammad Ibrahim, Maryam Abimbola Mikail, Idris Adewale Ahmed, Norazlanshah Hazali, Mohammad Syaiful Bahari Abdul Rasad, Radiah Abdul Ghani, Ridzwan Hashim, Solachuddin Jahuari Arief, Muhammad Lokman Md Isa, Samsul Draman
PURPOSE: Baccaurea angulata (common names: belimbing dayak or belimbing hutan) is a Malaysian underutilized fruit. The preliminary work on B. angulata fruit juice showed that it possesses antioxidant properties. Therefore, further work is needed to confirm the efficacy and proper dosage of B. angulata as a potential natural antioxidant. The present study was thus carried out to compare the effects of three different B. angulata whole fruit (WF) juice doses administered at nutritional doses of 0...
May 17, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28516115/a-modified-chromogenic-assay-for-determination-of-the-ratio-of-free-intracellular-nad-nadh-in-streptococcus-mutans
#15
Jonathon L Baker, Roberta C Faustoferri, Robert G Quivey
Nicotinamide adenine dinucleotide is a coenzyme present in all kingdoms of life and exists in two forms: oxidized (NAD(+)) and reduced (NADH). NAD(H) is involved in a multitude of essential metabolic redox reactions, providing oxidizing or reducing equivalents. The ratio of free intracellular NAD(+)/NADH is fundamentally important in the maintenance of cellular redox homeostasis (Ying, 2008). Various chromogenic cycling assays have been used to determine the ratio of NAD(+)/NADH in both bacterial and mammalian cells for more than forty years (Bernofsky and Swan, 1973; Nisselbaum and Green, 1969)...
August 20, 2016: Bio-protocol
https://www.readbyqxmd.com/read/28515789/towards-miscanthus-combustion-quality-improvement-the-role-of-flowering-and-senescence
#16
Elaine Jensen, Paul Robson, Kerrie Farrar, Sian Thomas Jones, John Clifton-Brown, Roger Payne, Iain Donnison
In commercially grown Miscanthus × giganteus, despite imposing a yield penalty, postwinter harvests improve quality criteria for thermal conversion and crop sustainability through remobilization of nutrients to the underground rhizome. We examined 16 Miscanthus genotypes with different flowering and senescence times for variation in N, P, K, moisture, ash, Cl and Si contents, hypothesizing that early flowering and senescence could result in improved biomass quality and/or enable an earlier harvest of biomass (in autumn at peak yield)...
May 2017: Global Change Biology. Bioenergy
https://www.readbyqxmd.com/read/28515572/a-family-of-fe-n-c-oxygen-reduction-electrocatalysts-for-microbial-fuel-cell-mfc-application-relationships-between-surface-chemistry-and-performances
#17
Carlo Santoro, Alexey Serov, Rohan Gokhale, Santiago Rojas-Carbonell, Lydia Stariha, Jonathan Gordon, Kateryna Artyushkova, Plamen Atanassov
Different iron-based cathode catalysts have been studied for oxygen reduction reaction (ORR) in neutral media and then applied into microbial fuel cells (MFC). The catalysts have been synthesized using sacrificial support method (SSM) using eight different organic precursors named Niclosamide, Ricobendazole, Guanosine, Succinylsulfathiazole, Sulfacetamide, Quinine, Sulfadiazine and Pyrazinamide. Linear Sweep Voltammetry (LSV) curves were obtained for the catalysts using a O2 saturated in 0.1 M potassium phosphate buffer and 0...
May 15, 2017: Applied Catalysis. B, Environmental
https://www.readbyqxmd.com/read/28515362/insulin-supplementation-attenuates-cancer-induced-cardiomyopathy-and-slows-tumor-disease-progression
#18
James T Thackeray, Stefan Pietzsch, Britta Stapel, Melanie Ricke-Hoch, Chun-Wei Lee, Jens P Bankstahl, Michaela Scherr, Jörg Heineke, Gesine Scharf, Arash Haghikia, Frank M Bengel, Denise Hilfiker-Kleiner
Advanced cancer induces fundamental changes in metabolism and promotes cardiac atrophy and heart failure. We discovered systemic insulin deficiency in cachectic cancer patients. Similarly, mice with advanced B16F10 melanoma (B16F10-TM) or colon 26 carcinoma (C26-TM) displayed decreased systemic insulin associated with marked cardiac atrophy, metabolic impairment, and function. B16F10 and C26 tumors decrease systemic insulin via high glucose consumption, lowering pancreatic insulin production and producing insulin-degrading enzyme...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28513808/magnetic-nanoparticle-enhanced-pcr-for-the-detection-and-identification-of-staphylococcus-aureus-and-salmonella-enteritidis
#19
Dimitra Houhoula, Joseph Papaparaskevas, Katerina Zatsou, Nikolaos Nikolaras, Hanan I Malkawi, Marie-Paule Mingenot-Leclercq, Spyros Konteles, Stamatis Koussisis, Athanassios Tsakris, Ekatherina Charvalos
This paper evaluated magnetic nanoparticle-enhanced PCR for the detection and identification of Staphylococcus aureus and Salmonella enteritidis. Two different types of magnetic nanoparticles designated MPIO (iron concentration 2.5 mg/ml, size 1 μm) and NP (iron concentration 8.7 mg/ml, size 60 nm), both conjugated with S. aureus or S. enteritidis antibodies were evaluated as an enrichment procedure for PCR-detection of the pathogens in Trypticase Soy Broth, milk, blood and meat broth. Bacterial suspensions (1...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28513528/complete-upper-urinary-tract-obstruction-caused-by-penetrating-pellet-injury-of-the-ureterintroduction
#20
M T Gulpinar, S K Keskin, A Yildirim, T Caskurlu
Ureteral injuries due to gunshots are tend to be misdiagnosed because of concomitant vascular and intraabdominal organ wounds. Our case is a 23-year-old man who was admitted to the hospital with multiple abdominal gunshot wounds. Laboratory findings showed worsening anemia, and the computed tomography (CT) scan showed multiple lead bullets inside the abdomen and retroperitoneum. Patient was then taken to the operation room for laparatomy. There were many intestinal injuries and also a stable retroperitoneal hematoma...
May 2017: Nigerian Journal of Clinical Practice
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