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https://www.readbyqxmd.com/read/28750507/improved-biosurfactant-production-by-bacillus-subtilis-spb1-mutant-obtained-by-random-mutagenesis-and-its-application-in-enhanced-oil-in-a-sand-system
#1
Mouna Bouassida, Semia Ellouze-Chaabouni, Dhouha Ghribi
Biosurfactants or microbial surfactants are surface-active biomolecules that are produced by a variety of microorganisms. Biodegradability and low toxicity have led to the intensification of scientific studies on a wide range of industrial applications for biosurfactants in the field of the environmental bioremediation as well as the petroleum industry and the enhanced oil recovery. However, the major bottlenecks in biosurfactant production are yield increase and cost reduction. Improving the bioindustrial production processes relies on many issues such as the use of cheap raw materials, the optimization of medium-culture conditions and selecting hyperproducing strains...
July 31, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28750498/emerging-clinical-issues-and-multivariate-analyses-in-pet-investigations
#2
Javier Arbizu, Alessandro Giuliani, Jaime G Perez-Larraya, Mario Riverol, Cathrine Jonsson, Berta García-García, Maribel Morales, Laura Imaz, Marco Pagani
PET using 18F-2-fluoro-2-deoxy-D-glucose (FDG-PET) has been gradually introduced in the diagnostic clinical criteria of the most prevalent neurodegenerative diseases. Moreover, an increasing amount of literature have shown that the information provided by FDG-PET enhances the sensitivity of standard imaging biomarkers in less frequent disorders in which an early differential diagnosis can be of paramount relevance for patient management and outcome. Therefore emerging uses of FDG-PET may be important in prion diseases, autoimmune encephalitis and amyotrophic lateral sclerosis...
July 27, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28750484/reactivation-of-hepatitis-c-virus-and-its-clinical-outcomes-in-patients-treated-with-systemic-chemotherapy-or-immunosuppressive-therapy
#3
Hae Lim Lee, Si Hyun Bae, Bohyun Jang, Seawon Hwang, Hyun Yang, Hee Chul Nam, Pil Soo Sung, Sung Won Lee, Jeong Won Jang, Jong Young Choi, Nam Ik Han, Byung Joo Song, Jong Wook Lee, Seung Kew Yoon
Background/Aims: According to the results of several studies, the outcome of hepatitis C virus (HCV) reactivation is not as severe as the outcome of hepatitis B virus (HBV) reactivation. The aim of this study was to evaluate the effect of pharmacological immunosuppression on HCV reactivation. Methods: The medical records of patients who underwent systemic chemotherapy, corticosteroid therapy, or other immunosuppressive therapies between January 2008 and March 2015 were reviewed...
July 28, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28750475/inpatient-glucose-management-programme-in-the-asian-healthcare-setting
#4
Du Soon Swee, Li Chang Ang, Wee May Heng, Desmond Xue-Yuan Lee, Xiaohui Xin, Shalini Kumaran, Kok Seng Wong, Yong Mong Bee, Su-Yen Goh, Ming Ming Teh
AIM: To implement an inpatient glucose management (IGM) programme in the general medical wards and evaluate its clinical efficacy. METHOD: Consecutive patients admitted to selected medical wards over a 12-month period were included in the IGM programme. All patients with ≥3 capillary blood glucose (CBG) readings (>10.0 mmol/L and/or <4.0 mmol/L) over a 24-hour period were identified electronically. A multidisciplinary team of diabetes care providers would provide specialist input to these patients...
July 27, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28750471/modulation-of-the-activated-protein-c-pathway-in-severe-haemophilia-a-patients-the-effects-of-thrombomodulin-and-a%C3%A2-factor-v-stabilizing-fab
#5
D F Brophy, E J Martin, B M Mohammed, J C Barrett, J G Kuhn, M E Nolte, B Wiinberg, H L Holmberg, J Lund, R Salbo, E K Waters
INTRODUCTION: The thrombomodulin (TM)/activated protein C (APC) system is a key regulator of haemostasis, limiting amplification and propagation of the formed blood clot to the injury site. Dampening APC's inhibition of factor V (FV) and factor VIII (FVIII) may be a future strategy in developing next-generation therapeutic targets for haemophilia treatment. AIMS: To determine ex vivo the respective concentration-dependent effects of TM and a FV-stabilizing Fab on the APC regulatory pathway in severe FVIII-deficient blood and plasma...
July 27, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28750446/-modern-endoscopic-imaging-tools-for-urothelial-carcinoma-of-the-urinary-bladder
#6
M C Kriegmair, M Ritter, M S Michel, C Bolenz
Cystoscopy is the gold standard for the initial diagnosis of urothelial carcinoma in the urinary bladder (UCB). White light exhibits significant limitations in its ability to detect flat lesions or carcinoma in situ. Photodynamic Diagnosis (PDD) and Narrow Band Imaging (NBI) are established techniques which may improve the detection rates of UCB and reduce the risk of recurrence. Multiple novel tools have been developed in order to improve the diagnostic accuracy of endoscopic procedures, including Digital Contrast Enhancement Technology, Confocal Laser Endomicroscopy (CLE) and Optical Coherence Tomography (OCT)...
August 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28750406/a-high-fat-diet-during-pregnancy-and-lactation-induces-cardiac-and-renal-abnormalities-in-glut4-male-mice
#7
Michael Kruse, Ariana Fiallo, Jianling Tao, Katalin Susztak, Kerstin Amann, Ellen B Katz, Maureen J Charron
BACKGROUND/AIMS: Altered nutrients during the in utero (IU) and/or lactation (L) period predispose offspring to cardio-renal diseases in adulthood. This study investigates the effect of a high fat diet (HFD) fed to female mice during IU/L on gene expression patterns associated with heart and kidney failure and hypertension in male offspring. METHODS: Female wild type (WT) mice were fed either a HFD or control chow (C) prior to mating with males with a genetic heterozygous deletion of GLUT4 (G4+/-, a model of peripheral insulin resistance and hypertension) and throughout IU/L...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750403/ablation-of-the-cl-hco3-exchanger-pendrin-enhances-hydrochlorothiazide-induced-diuresis
#8
Saeed Alshahrani, Manoocher Soleimani
BACKGROUND/AIMS: The Cl-/HCO3- exchanger pendrin and the thiazide-sensitive Na-Cl cotransporter NCC are expressed in the kidney distal nephron and mediate salt absorption. We hypothesized that deletion of pendrin leaves NCC as the major salt absorbing transporter in the distal nephron and therefore enhances salt excretion by hydrochlorothiazide (HCTZ). METHODS: Metabolic cage studies were performed in wild type, pendrin KO and NCC KO mice at baseline and following HCTZ treatment...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750368/changes-in-white-matter-integrity-following-intensive-voice-treatment-lsvt-loud%C3%A2-in-children-with-cerebral-palsy-and-motor-speech-disorders
#9
Alesha Reed, Jacqueline Cummine, Reyhaneh Bakhtiari, Cynthia M Fox, Carol A Boliek
Preliminary evidence suggests that intensive voice and speech treatment based on activity-dependent neuroplasticity principles holds promise for affecting positive change in children with cerebral palsy (CP) and motor speech disorders. Diffusion tensor imaging (DTI) allows researchers to make inferences about the integrity of white matter tracks and provides a sensitive measure of neuroplasticity. Previous treatment studies looking at the effects of training on white matter integrity have shown positive results, but these studies have been limited to gross motor function...
July 28, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28750354/assessing-tumor-extent-on-contrast-enhanced-spectral-mammography-versus-full-field-digital-mammography-and-ultrasound
#10
Bhavika K Patel, Sandra Alheli Garza, Sarah Eversman, Yania Lopez-Alvarez, Heidi Kosiorek, Barbara A Pockaj
OBJECTIVES: To compare breast cancer size measurements on full-field digital mammography (FFDM), contrast-enhanced spectral mammography (CEDM), and ultrasound (US), with histologic tumor size used as the reference standard. Material and methods The HIPAA complaint, IRB approved study comprised 88 women with newly diagnosed breast cancer who underwent FFDM and CEDM;74 also had US. Breast density, histologic subtype, and maximum tumor measurements were recorded. RESULTS: Pearson correlation coefficients for FFDM, US, and CEDM vs histopathology were 0...
July 12, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28750348/a-comparative-study-on-the-activity-of-fungal-lytic-polysaccharide-monooxygenases-for-the-depolymerization-of-cellulose-in-soybean-spent-flakes
#11
Brian C Pierce, Jane Wittrup Agger, Zhenghong Zhang, Jesper Wichmann, Anne S Meyer
Lytic polysaccharide monooxygenases (LPMOs) are copper-dependent enzymes capable of the oxidative breakdown of polysaccharides. They are of industrial interest due to their ability to enhance the enzymatic depolymerization of recalcitrant substrates by glycoside hydrolases. In this paper, twenty-four lytic polysaccharide monooxygenases (LPMOs) expressed in Trichoderma reesei were evaluated for their ability to oxidize the complex polysaccharides in soybean spent flakes, an abundant and industrially relevant substrate...
July 18, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28750344/aerosol-pollution-and-its-potential-impacts-on-outdoor-human-thermal-sensation-east-asian-perspectives
#12
Ka-Ming Wai, Edward Y Y Ng, Charles M S Wong, Tanya Z Tan, Tang-Huang Lin, Wei-Hung Lien, Peter A Tanner, Carlo S H Wang, Kevin K L Lau, Neon M H He, Jhoon Kim
Aerosols affect the insolation at ground and thus the Aerosol Optical Depth (AOD, a measure of aerosol pollution) plays an important role on the variation of the Physiological Equivalent Temperature (PET) at locations with different aerosol climatology. The aerosol effects upon PET were studied for the first time at four East Asian cities by coupling a radiative transfer model and a human thermal comfort model which were previously well evaluated. Evident with the MODIS and AERONET AOD observations, the aerosol pollution at Beijing and Seoul was higher than at Chiayi (Taiwan) and Hong Kong...
July 24, 2017: Environmental Research
https://www.readbyqxmd.com/read/28750323/differential-use-of-3-cites-by-the-subgenomic-rna-of-pea-enation-mosaic-virus-2
#13
Feng Gao, Anne E Simon
The genomic RNA (gRNA) of Pea enation mosaic virus 2 (PEMV2) is the template for p33 and -1 frameshift product p94. The PEMV2 subgenomic RNA (sgRNA) encodes two overlapping ORFs, p26 and p27, which are required for movement and stability of the gRNA. Efficient translation of p33 requires two of three 3' proximal cap-independent translation enhancers (3'CITEs): the kl-TSS, which binds ribosomes and engages in a long-distance interaction with the 5'end; and the adjacent eIF4E-binding PTE. Unlike the gRNA, all three 3'CITEs were required for efficient translation of the sgRNA, which included the ribosome-binding 3'TSS...
July 24, 2017: Virology
https://www.readbyqxmd.com/read/28750313/imidazo-1-2-a-pyrazine-imidazo-1-5-a-quinoxaline-and%C3%A2-pyrazolo-1-5-a-quinoxaline-derivatives-as-ikk1-and-ikk2-inhibitors
#14
Cindy Patinote, Nour Bou Karroum, Georges Moarbess, Carine Deleuze-Masquefa, Kamel Hadj-Kaddour, Pierre Cuq, Mona Diab-Assaf, Issam Kassab, Pierre-Antoine Bonnet
The transcription nuclear factor NF-κB plays a pivotal role in chronic and acute inflammatory diseases. Among the several and diverse strategies for inhibiting NF-κB, one of the most effective approach considered by the pharmaceutical industry seems to be offered by the development of IKK inhibitors. In a former study, two potential IKK2 inhibitors have been highlighted among a series of imidazo[1,2-a]quinoxaline derivatives. In order to enhance this activity, we present herein the synthesis of twenty-one new compounds based on the imidazo[1,2-a]pyrazine, imidazo[1,5-a]quinoxaline or pyrazolo[1,5-a]quinoxaline structures...
July 19, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28750300/deterioration-of-the-mechanical-properties-of-calcium-phosphate-cements-with-poly-%C3%AE-glutamic-acid-and-its-strontium-salt-after-in-vitro-degradation
#15
Ting Liang, Chun-Xia Gao, Lei Yang, Saijilafu, Hui-Lin Yang, Zong-Ping Luo
The mechanical reliability of calcium phosphate cements has restricted their clinical application in load-bearing locations. Although their mechanical strength can be improved using a variety of strategies, their fatigue properties are still unclear, especially after degradation. The evolutions of uniaxial compressive properties and the fatigue behavior of calcium phosphate cements incorporating poly (γ-glutamic acid) and its strontium salt after different in vitro degradation times were investigated in the present study...
July 20, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28750285/modelling-food-web-mediated-effects-of-hydrological-variability-and-environmental-flows
#16
REVIEW
Barbara J Robson, Rebecca E Lester, Darren S Baldwin, Nicholas R Bond, Romain Drouart, Robert J Rolls, Darren S Ryder, Ross M Thompson
Environmental flows are designed to enhance aquatic ecosystems through a variety of mechanisms; however, to date most attention has been paid to the effects on habitat quality and life-history triggers, especially for fish and vegetation. The effects of environmental flows on food webs have so far received little attention, despite food-web thinking being fundamental to understanding of river ecosystems. Understanding environmental flows in a food-web context can help scientists and policy-makers better understand and manage outcomes of flow alteration and restoration...
July 17, 2017: Water Research
https://www.readbyqxmd.com/read/28750266/the-role-of-appearance-schematicity-in-the-internalization-of-media-appearance-ideals-a-panel-study-of-preadolescents
#17
Ann Rousseau, Hilary Gamble, Steven Eggermont
Individuals who are more strongly invested in their appearance, appearance schematics, have a tendency to engage in appearance-related comparison. Appearance schematicity consists of two components. The self-evaluative component concerns the degree to which appearance is central to self-worth, referred to as dysfunctional appearance beliefs. Motivational salience refers to the engagement in behaviors designed to enhance appearance, such as body surveillance. Based on a three-wave panel survey of 973 Flemish preadolescents (Mage = 11...
July 24, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28750248/how-to-tame-an-endogenous-retrovirus-hervh-and-the-evolution-of-human-pluripotency
#18
REVIEW
Christine Römer, Manvendra Singh, Laurence D Hurst, Zsuzsanna Izsvák
HERVH is one of the most successful endogenous retrovirus in the human genome. Relative to other endogenous retroviruses, slower degradation of HERVH internal sequences indicates their potential relevance for the host. HERVH is transcriptionally active during human preimplantation embryogenesis. In this review, we focus on the role of HERVH in regulating human pluripotency. The HERVH-mediated pluripotency network has been evolved recently in primates. Nevertheless, it became an essential feature of human pluripotency...
July 24, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28750244/transparent-conductive-and-superhydrophobic-nanocomposite-coatings-on-polymer-substrate
#19
Wenhui Yao, Kwang-Jin Bae, Myung Yung Jung, Young-Rae Cho
Transparent, conductive, and superhydrophobic nanocomposite coatings were fabricated on the polyethylene terephthalate substrate by a spray method. Different concentrations of multi-walled carbon nanotubes (MWCNTs) entwined with SiO2 nanoparticles, which originated from the hydrolysis and condensation of tetraethyl orthosilicate, were sprayed to form MWCNTs/SiO2 nanocomposite coatings. The coatings were characterized by scanning electron microscopy, contact angle measurements, and other analytical techniques...
July 19, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28750243/synthesis-and-characterization-of-fe-0-tio2-nano-composites-for-ultrasound-assisted-enhanced-catalytic-degradation-of-reactive-black-5-in-aqueous-solutions
#20
Madhumita Bhaumik, Arjun Maity, Vinod Kumar Gupta
In the present study, nanocomposites (NCs) of zero valent iron nanoparticles (Fe(0) NPs) and titanium dioxide nanoparticles (Fe(0)/TiO2 NCs) were prepared by coating Fe(0) NPs onto the surface of TiO2 NPs through borohydride reduction of Fe(II) salt for the ultrasound assisted removal/ degradation of reactive black 5 (RB5) dye from aqueous solutions. Morphological and structural characterizations of the Fe(0)/TiO2 NCs were performed by FE-SEM, HR-TEM, XRD, XPS and Brunauer-Emmett-Teller (BET) method. The Fe(0)/TiO2 NCs exhibited highly efficient ultrasonic degradation/decolourization of RB5, compared to TiO2 NPs counterpart...
July 6, 2017: Journal of Colloid and Interface Science
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