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https://www.readbyqxmd.com/read/28214444/the-boosted-biomass-and-lipid-accumulation-in-chlorella-vulgaris-by-supplementation-of-synthetic-phytohormone-analogs
#1
Tingting Liu, Fei Liu, Chao Wang, Zhenyao Wang, Yuqin Li
This study attempted at maximizing biomass and lipid accumulation in Chlorella vulgaris by supplementation of natural abscisic acid (ABA) or synthetic 2,4-dichlorophenoxyacetic acid (2,4-D) and 1-naphthaleneacetic acid (NAA) hormone analogs. Amongst three tested additives, NAA-treatment performed remarkable promoting effect on cell growth and lipid biosynthesis. The favorable lipid productivity (418.6mg/L/d) of NAA-treated cells showed 1.48 and 2.24 times more than that of 2,4-D and ABA. NAA-treatment also positively modified the proportions of saturated (C16:0 and C18:0) and monounsaturated fatty acids (C18:1) which were prone to high-quality biofuels-making...
February 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28214241/improvement-of-operational-stability-of-ogataea-minuta-carbonyl-reductase-for-chiral-alcohol-production
#2
Kohsuke Honda, Mizuha Inoue, Tomohiro Ono, Kenji Okano, Yasumasa Dekishima, Hiroshi Kawabata
Directed evolution of enantio-selective carbonyl reductase from Ogataea minuta was conducted to improve the operational stability of the enzyme. A mutant library was constructed by an error-prone PCR and screened using a newly developed colorimetric assay. The stability of a mutant with two amino acid substitutions was significantly higher than that of the wild type at 50°C in the presence of dimethyl sulfoxide. Site-directed mutagenesis analysis showed that the improved stability of the enzyme can be attributed to the amino acid substitution of V166A...
February 14, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28214002/relation-between-ventricular-premature-complexes-and-incident-heart-failure
#3
Vratika Agarwal, Eric Vittinghoff, Isaac R Whitman, Thomas A Dewland, Jonathan W Dukes, Gregory M Marcus
Ventricular premature complexes (VPCs) may represent a reversible cause of heart failure (HF); however, the type of patients most prone remains unknown. This study leverages a large population-based database to examine interactions that might prove clinically useful in risk-stratifying patients with VPCs. We used the California Healthcare Cost and Utilization Project to identify patients with VPCs and incident systolic HF from January 1, 2005, to December 31, 2009. We calculated hazard ratios for predictors of incident systolic HF using multivariable Cox proportional hazard models...
January 25, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28213988/-contribution-of-mindfulness-meditation-in-cognitive-behavioral-therapy-for-insomnia
#4
H Vanhuffel, M Rey, I Lambert, D Da Fonseca, F Bat-Pitault
INTRODUCTION: Insomnia is considered to be a serious public health issue affecting approximately 10% of adults. Chronic insomnia may increase the risk of health problem, psychological vulnerability and proneness to accidents. Cognitive behavioral therapy for insomnia (CBT-I) is recommended as the first line of treatment. Even though CBT-I is widely considered as an effective therapy, 20 to 30% of patients do not respond to this treatment. Mindfulness therapy, known to reduce rumination and stress, could be an interesting complement to enhance CBT-I...
February 14, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28213954/human-herpes-virus-6-infection-in-pediatric-organ-transplant-patients
#5
Elisa Ylinen, Silja Lehtinen, Timo Jahnukainen, Teemu Karlsson, Raisa Loginov, Laura Mannonen, Irmeli Lautenschlager, Hannu Jalanko
Transplant patients need lifelong immunosuppressive medication, but this reduces their defense mechanisms, making them prone to viral infections and reactivations. We aimed to clarify the prevalence and clinical manifestations of the human herpes virus 6 (HHV-6) infection in children after pediatric solid organ transplants. Clinical findings and viral loads were compared between primary HHV-6 infections and reactivations. The study comprised 47 kidney, 25 liver, and 12 heart transplant patients who underwent surgery from 2009 to 2014...
February 18, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28213881/poor-adherence-to-p2y12-antagonists-increased-cardiovascular-risks-in-chinese-pci-treated-patients
#6
Yang Sun, Chenze Li, Lina Zhang, Dong Hu, Xudong Zhang, Ting Yu, Min Tao, Dao Wen Wang, Xiaoqing Shen
Low adherence to secondary prevention medications (ATM) of patients after acute coronary syndrome (ACS) is associated with poor clinical outcomes. However, literature provides limited data on assessment of ATM and risks associated with poor in Chinese patients with ACS. In the current work, ATM was assessed in consecutively recruited patients with ACS in Tongji Hospital from November 5, 2013 to December 31, 2014. A total of 2126 patients were classified under low adherence (proportion of days covered (PDC) C< 50%) and high adherence (PDC>50%) groups based on their performance after discharge...
February 17, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28213311/effect-of-biomass-pretreatment-on-the-product-distribution-and-composition-resulting-from-the-hydrothermal-liquefaction-of-short-rotation-coppice-willow
#7
I F Grigoras, R E Stroe, I M Sintamarean, L A Rosendahl
A major challenge for the implementation of hydrothermal liquefaction (HTL) as a continuous process is the formulation of lignocellulosic feedstock, which is prone to phase separation into water and biomass parts when pressurized. One approach to remedy such phase separation is to reduce the dry matter content; however, as this approach is detrimental to process cost efficiency, designing an appropriate pretreatment step to ensure pumpability at high dry matter content is preferable. This paper evaluated the effect of various pretreatment methods on product distribution and composition resulting from the HTL of willow and proposes short rotation coppice as an alternative biomass feedstock for biofuels production...
January 30, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28213231/stable-isotope-labeling-assisted-liquid-chromatography-tandem-mass-spectrometry-for-the-analysis-of-perfluorinated-carboxylic-acids-in-serum-samples
#8
Shijuan Zhang, Zhongyin Ji, Zhiwei Sun, Mingshuang Li, Cuncun Sheng, Mingbo Yue, Yanxin Yu, Guang Chen, Jinmao You
A new stable isotope labeling (SIL) reagent pair, 10-methyl-acridone-2-sulfonohydrazide (MASH) and its deuterated counterpart d3-MASH was synthesized and successfully applied to the analysis of perfluorinated carboxylic acids (PFCAs) in serum samples. The limits of detection (LODs) were in the range of 0.07-0.42μg/L, and the limits of quantitation (LOQs) were in the range of 0.25-1.38μg/L. Besides ionization enhancing effect, MASH also showed excellent fluorescence property. Therefore, the mass spectrometer operation cost was greatly lowered by carrying out parameter optimization experiments on HPLC which is easier to operate and maintain...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212417/splitax-a-novel-method-to-assess-the-function-of-engineered-nucleases
#9
Richard A Axton, Sharmin S Haideri, Martha Lopez-Yrigoyen, Helen A Taylor, Lesley M Forrester
Engineered nucleases have been used to generate knockout or reporter cell lines and a range of animal models for human disease. These new technologies also hold great promise for therapeutic genome editing. Current methods to evaluate the activity of these nucleases are time consuming, require extensive optimization and are hampered by readouts with low signals and high background. We have developed a simple and easy to perform method (SplitAx) that largely addresses these issues and provides a readout of nuclease activity...
2017: PloS One
https://www.readbyqxmd.com/read/28211540/quantitative-evaluation-on-the-characteristics-of-activated-sludge-granules-and-flocs-using-a-fuzzy-entropy-based-approach
#10
Fang Fang, Li-Li Qiao, Bing-Jie Ni, Jia-Shun Cao, Han-Qing Yu
Activated sludge granules and flocs have their inherent advantages and disadvantages for wastewater treatment due to their different characteristics. So far quantitative information on their evaluation is still lacking. This work provides a quantitative and comparative evaluation on the characteristics and pollutant removal capacity of granules and flocs by using a new methodology through integrating fuzzy analytic hierarchy process, accelerating genetic algorithm and entropy weight method. Evaluation results show a higher overall score of granules, indicating that granules had more favorable characteristics than flocs...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211110/forconx-a-forcefield-conversion-tool-based-on-xml
#11
Volker Lesch, Diddo Diddens, Carlos E S Bernardes, Benjamin Golub, Alain Dequidt, Veronika Zeindlhofer, Marcello Sega, Christian Schröder
The force field conversion from one MD program to another one is exhausting and error-prone. Although single conversion tools from one MD program to another exist not every combination and both directions of conversion are available for the favorite MD programs Amber, Charmm, Dl-Poly, Gromacs, and Lammps. We present here a general tool for the force field conversion on the basis of an XML document. The force field is converted to and from this XML structure facilitating the implementation of new MD programs for the conversion...
April 5, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28210872/responsiveness-and-minimum-important-change-of-the-oswestry-disability-index-in-italian-subjects-with-symptomatic-lumbar-spondylolisthesis
#12
Carla Vanti, Silvano Ferrari, Jorge Hugo Villafañe, Pedro Berjano, Marco Monticone
BACKGROUND: This study aims to investigate the responsiveness and the minimum important change of the Italian version of the Oswestry Disability Index (ODI-I) in subjects with symptomatic specific low back pain associated with lumbar spondylolisthesis (SPL). MATERIALS AND METHODS: One hundred and fifty-one patients with symptomatic SPL completed the ODI-I, a 0-100 numerical rating scale (NRS), and performed the prone and supine bridge tests. The global perception of effectiveness was measured with a 7-point Likert scale...
February 16, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28210781/adolescent-cocaine-exposure-enhances-goal-tracking-behavior-and-impairs-hippocampal-cell-genesis-selectively-in-adult-bred-low-responder-rats
#13
M Julia García-Fuster, Aram Parsegian, Stanley J Watson, Huda Akil, Shelly B Flagel
RATIONALE: Environmental challenges during adolescence, such as drug exposure, can cause enduring behavioral and molecular changes that contribute to life-long maladaptive behaviors, including addiction. Selectively bred high-responder (bHR) and low-responder (bLR) rats represent a unique model for assessing the long-term impact of adolescent environmental manipulations, as they inherently differ on a number of addiction-related traits. bHR rats are considered "addiction-prone," whereas bLR rats are "addiction-resilient," at least under baseline conditions...
February 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28210512/porphyria-cutanea-tarda-in-a-patient-with-end-stage-renal-disease-a-case-of-successful-treatment-with-deferoxamine-and-ferric-carboxymaltose
#14
Natacha Rodrigues, Fernando Caeiro, Alice Santana, Teresa Mendes, Leonor Lopes
Porphyria cutanea tarda (PCT) is a rare disease, with a strong association with hepatitis C virus. PCT is particularly problematic in end-stage renal disease patients as they have no renal excretion of porphyrins and these are poorly dialyzed. Also, conventional treatment of PCT is compromised in these patients as hydroxychloroquine is contraindicated, phlebotomies with the stipulated frequency are poorly tolerated in already anaemia-prone patients, and iron-chelating agents are less efficient in removing iron and contribute to worsening anaemia...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/28210245/pcr-inhibition-of-a-quantitative-pcr-for-detection-of-mycobacterium-avium-subspecies-paratuberculosis-dna-in-feces-diagnostic-implications-and-potential-solutions
#15
Kamal R Acharya, Navneet K Dhand, Richard J Whittington, Karren M Plain
Molecular tests such as polymerase chain reaction (PCR) are increasingly being applied for the diagnosis of Johne's disease, a chronic intestinal infection of ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). Feces, as the primary test sample, presents challenges in terms of effective DNA isolation, with potential for PCR inhibition and ultimately for reduced analytical and diagnostic sensitivity. However, limited evidence is available regarding the magnitude and diagnostic implications of PCR inhibition for the detection of MAP in feces...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28210216/flavor-dependent-retention-of-remote-food-preference-memory
#16
Aditya Singh, Suraj Kumar, Vikram Pal Singh, Asish Das, J Balaji
Social Transmission of Food Preference (STFP) is a single trial non-aversive learning task that is used for testing non-spatial memory. This task relies on an accurate estimate of a change in food preference of the animals following social demonstration of a novel flavor. Conventionally this is done by providing two flavors of powdered food and later estimating the amount of food consumed for each of these flavors in a defined period of time. This is achieved through a careful measurement of leftover food for each of these flavors...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28210048/effect-of-a-pelvic-wedge-and-belt-on-the-medial-and-lateral-hamstring-muscles-during-knee-flexion
#17
Won-Gyu Yoo
[Purpose] This study developed a pelvic wedge and belt and investigated their effects on the selective activation of medial and lateral hamstring muscles during knee flexion. [Subjects and Methods] Nine adults were enrolled. The participants performed exercises without and with the pelvic wedge and belt, and the electromyographic activities of the medial and lateral hamstring muscles were recorded. [Results] The activity of the medial hamstring was increased significantly when using the pelvic wedge and belt, while the activity of the lateral hamstring did not differ significantly...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209901/vitamin-b3-modulates-mitochondrial-vulnerability-and-prevents-glaucoma-in-aged-mice
#18
Pete A Williams, Jeffrey M Harder, Nicole E Foxworth, Kelly E Cochran, Vivek M Philip, Vittorio Porciatti, Oliver Smithies, Simon W M John
Glaucomas are neurodegenerative diseases that cause vision loss, especially in the elderly. The mechanisms initiating glaucoma and driving neuronal vulnerability during normal aging are unknown. Studying glaucoma-prone mice, we show that mitochondrial abnormalities are an early driver of neuronal dysfunction, occurring before detectable degeneration. Retinal levels of nicotinamide adenine dinucleotide (NAD(+), a key molecule in energy and redox metabolism) decrease with age and render aging neurons vulnerable to disease-related insults...
February 17, 2017: Science
https://www.readbyqxmd.com/read/28209215/the-relevance-of-goal-orientation-for-motivation-in-high-versus-low-proneness-to-negative-symptoms
#19
Björn Schlier, Maike Engel, Anne-Katharina Fladung, Anja Fritzsche, Tania M Lincoln
BACKGROUND: The psychological mechanisms of why individuals with negative symptoms fail to initiate and perform goal-directed behavior are not well understood. Drawing on the reward-sensitivity and expectancy-value theories, we investigate whether negative symptom-like experiences (NSLE) are associated with generating less approach goals (aimed at reaching a positive outcome) and more avoidance goals (aimed at avoiding a negative outcome) and whether this type of goal-orientation explains motivational deficits (i...
June 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28208878/a-study-of-medication-compliance-in-geriatric-patients-with-chronic-illnesses-at-a-tertiary-care-hospital
#20
R Shruthi, R Jyothi, H P Pundarikaksha, G N Nagesh, T J Tushar
INTRODUCTION: Geriatric population is more prone for various chronic and recurrent illnesses like diabetes mellitus, hypertension, IHD, arthritic, neurodegenerative, gastrointestinal, ocular, genitourinary, respiratory disorders etc., which may require chronic medication with multiple drugs. Poor compliance in this age group accounts for medication wastage with increased cost of healthcare and substantial worsening of the disease with disability or death. Most of the human and economic costs associated with non adherence can be avoided by improving medication adherence...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
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