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https://www.readbyqxmd.com/read/28545130/responses-of-absolute-and-specific-enzyme-activity-to-consecutive-application-of-composted-sewage-sludge-in-a-fluventic-ustochrept
#1
Xiao Liu, Kangli Guo, Lin Huang, Zhengyu Ji, Huimin Jiang, Hu Li, Jianfeng Zhang
Composted sewage sludge (CS) is considered a rich source of soil nutrients and significantly affects the physical, chemical, and biological characteristics of soil, but its effect on specific enzyme activity in soil is disregarded. The present experiment examined the absolute and specific enzyme activity of the enzymes involved in carbon, nitrogen, and phosphorus cycles, the diversity of soil microbial functions, and soil community composition in a Fluventic Ustochrept under a maize-wheat rotation system in North China during 2012-2015...
2017: PloS One
https://www.readbyqxmd.com/read/28544974/cetuximab-modified-collagen-scaffold-directs-neurogenesis-of-injury-activated-endogenous-neural-stem-cells-for-acute-spinal-cord-injury-repair
#2
Xing Li, Yannan Zhao, Shixiang Cheng, Sufang Han, Muya Shu, Bing Chen, Xuyi Chen, Fengwu Tang, Nuo Wang, Yue Tu, Bin Wang, Zhifeng Xiao, Sai Zhang, Jianwu Dai
Studies have shown that endogenous neural stem cells (NSCs) activated by spinal cord injury (SCI) primarily generate astrocytes to form glial scar. The NSCs do not differentiate into neurons because of the adverse microenvironment. In this study, we defined the activation timeline of endogenous NSCs in rats with severe SCI. These injury-activated NSCs then migrated into the lesion site. Cetuximab, an EGFR signaling antagonist, significantly increased neurogenesis in the lesion site. Meanwhile, implanting cetuximab modified linear ordered collagen scaffolds (LOCS) into SCI lesion sites in dogs resulted in neuronal regeneration, including neuronal differentiation, maturation, myelination, and synapse formation...
May 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28540056/spontaneous-levitation-of-dropped-nucleus-on-first-post-operative-day
#3
Mayuresh P Naik, Harindersingh Sethi, Anuj Mehta, Abhinav Bhalla, Komal Saluja
A 60-year-old male patient presenting with gradual painless progressive diminution of vision was diagnosed with nuclear sclerosis grade III (LOCS). Intra-operatively, there was a nuclear drop into the vitreous cavity. The patient was left aphakic and was deferred for further vitreoretinal procedure the next day. On first post-op day, the nucleus fragment (of roughly the same size that had dropped into the vitreous) was seen in the anterior chamber. A gentle ultrasonography B-Scan done for posterior segment evaluation was anechoic...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28539143/incidence-of-g-induced-loss-of-consciousness-and-almost-loss-of-consciousness-in-the-royal-air-force
#4
Ellen Slungaard, Judith McLeod, Nicholas D C Green, Amit Kiran, Di J Newham, Stephen D R Harridge
INTRODUCTION: Exposure to sustained +Gz acceleration with inadequate G protection can result in G-induced loss of consciousness (G-LOC) or almost loss of consciousness (A-LOC). The UK Royal Air Force (RAF) last conducted a survey of G-LOC within their military aircrew in 2005 with interventions subsequently introduced. The aim of this study was to repeat the 2005 survey in order to evaluate the impact of those interventions. METHODS: An anonymous questionnaire requesting details of G-LOC and A-LOC events was mailed to all RAF pilots (N = 1878) and weapons systems operators (WSOs) (N = 473), irrespective of aircraft currently flown...
June 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28534702/factors-affecting-recovery-from-anaesthesia-with-propofol-remifentanil-target-controlled-infusion-in-laparoscopic-surgery
#5
Shao-Hua Liu, Ming Tian
Objective This study was performed to analyse factors influencing the effect-site concentration (Ce) of propofol at return of consciousness (ROC) with target-controlled infusion of propofol-remifentanil after laparoscopic surgery. Methods In total, 112 patients who underwent laparoscopic surgery under general anaesthesia were given propofol at the target concentration of 3.5 µg/ml. Remifentanil (Ce: 4.0 ng/ml) and 0.9 mg/kg of rocuronium were administered when the Observer's Assessment of Alertness/Sedation score reached 1...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28532679/the-functional-interaction-between-nicotinic-acetylcholine-receptors-and-ly-6-neurotoxin-proteins-in-locusta-migratoria
#6
Haibo Bao, Yixi Zhang, Yang Liu, Na Yu, Zewen Liu
Failures in expressing insect nAChRs (nicotinic acetylcholine receptors) limit the understanding of their functional properties, although insect nAChRs have been developed as insecticide targets for decades. Some accessory proteins can modulate nAChRs, but only a few have been identified in insects, including lynx from Ly-6/neurotoxin superfamily. Until now, only one to three lynx were identified in one insect species. Here, 11 lynx were identified in Locusta migratoria with common features of Ly-6/neurotoxin members...
May 19, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28532096/preparation-of-nanocrystalline-forsterite-by-combustion-of-different-fuels-and-their-comparative-in-vitro-bioactivity-dissolution-behaviour-and-antibacterial-studies
#7
Rajan Choudhary, Prasanth Manohar, Jana Vecstaudza, Maria Josefa Yáñez-Gascón, Horacio Pérez Sánchez, Ramesh Nachimuthu, Janis Locs, Sasikumar Swamiappan
This study presents different fuels (Glycine and Urea) that can be used to synthesize nanocrystalline forsterite by the sol-gel combustion method. The weight change of precursor during thermal treatment was studied by thermo-gravimetric analysis (TGA). Pure forsterite was characterized by heating microscopy, Fourier transform infrared spectroscopy, X-ray Diffraction, Brunauer-Emmett-Teller, Scanning Electron Microscopy, and Energy dispersive X-ray spectroscopy. The HAP (hydroxyapatite) deposition ability, degradation and dissolution behaviour of forsterite was examined in simulated body fluid (SBF)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28527111/human-placenta-derived-mesenchymal-stem-cells-loaded-on-linear-ordered-collagen-scaffold-improves-functional-recovery-after-completely-transected-spinal-cord-injury-in-canine
#8
Sufang Han, Zhifeng Xiao, Xing Li, Huan Zhao, Bin Wang, Zhixue Qiu, Zhi Li, Xin Mei, Bai Xu, Caixia Fan, Bing Chen, Jin Han, Yanzheng Gu, Huilin Yang, Qin Shi, Jianwu Dai
Traumatic spinal cord injury (SCI) is a major challenge in the clinic. In this study, we sought to examine the synergistic effects of linear ordered collagen scaffold (LOCS) and human placenta-derived mesenchymal stem cells (hPMSCs) when transplanted into completely transected beagle dogs. After 36 weeks observation, we found that LOCS+hPMSCs implants promoted better hindlimb locomotor recovery than was observed in the non-treatment (control) group and LOCS group. Histological analysis showed that the regenerated tissue after treatment was well integrated with the host tissue, and dramatically reduced the volume of cystic and chondroitin sulfate proteoglycans (CSPGs) expression...
May 16, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28506441/association-of-traumatic-brain-injury-and-alzheimer-disease-onset-a-systematic-review
#9
REVIEW
J Julien, S Joubert, M-C Ferland, L C Frenette, M M Boudreau-Duhaime, L Malo-Véronneau, E de Guise
BACKGROUND: Inconsistencies regarding the risk of developing Alzheimer disease after traumatic brain injury (TBI) remain in the literature. Indeed, why AD develops in certain TBI patients while others are unaffected is still unclear. OBJECTIVE: The aim of this study was to performed a systematic review to investigate whether certain variables related to TBI, such as TBI severity, loss of consciousness (LOC) and post-traumatic amnesia (PTA), are predictors of risk of AD in adults...
May 11, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28496152/rapid-self-driven-liquid-mixing-on-open-surface-microfluidic-platforms
#10
Jared M Morrissette, Pallab Sinha Mahapatra, Aritra Ghosh, Ranjan Ganguly, Constantine M Megaridis
Self-driven surface micromixers (SDSM) relying on patterned-wettability technology provide an elegant solution for low-cost, point-of-care (POC) devices and lab-on-a-chip (LOC) applications. We present a SDSM fabricated by strategically patterning three wettable wedge-shaped tracks onto a non-wettable, flat surface. This SDSM operates by harnessing the wettability contrast and the geometry of the patterns to promote mixing of small liquid volumes (µL droplets) through a combination of coalescence and Laplace pressure-driven flow...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28493807/what-is-actually-affected-by-the-scrambling-of-objects-when-localizing-the-lateral-occipital-complex
#11
Eshed Margalit, Irving Biederman, Bosco S Tjan, Manan P Shah
The lateral occipital complex (LOC), the cortical region critical for shape perception, is localized with fMRI by its greater BOLD activity when viewing intact objects compared with their scrambled versions (resembling texture). Despite hundreds of studies investigating LOC, what the LOC localizer accomplishes-beyond distinguishing shape from texture-has never been resolved. By independently scattering the intact parts of objects, the axis structure defining the relations between parts was no longer defined...
May 11, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28489410/strategically-designing-a-pumpless-microfluidic-device-on-an-inert-polypropylene-substrate-with-potential-application-in-biosensing-and-diagnostics
#12
Elham Shirani, Amir Razmjou, Hossein Tavassoli, Amir Landarani-Isfahani, Saghar Rezaei, Abolghasem Abbasi Kajani, Mohsen Asadnia, Jingwei Hou, Majid Ebrahimi Warkiani
This study is an attempt to make a step forward to implement the very immature concept of pumpless transportation of liquid into a real miniaturized device or lab-on-chip (LOC) on a plastic substrate. "Inert" plastic materials such as polypropylene (PP) are used in a variety of biomedical applications but their surface engineering is very challenging. Here, it was demonstrated that with a facile innovative wettability patterning route using fluorosilanized UV-independent TiO2 nanoparticle coating it is possible to create wedge-shaped open microfluidic tracks on inert solid surfaces for low-cost biomedical devices (lab-on-plastic)...
May 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28488339/root-caries-experience-among-australian-adults
#13
Ninuk Hariyani, A John Spencer, Liana Luzzi, Loc Giang Do
BACKGROUND: Increase in life expectancy and tooth retention in contemporary Australian adults may increase population-level burden of having root caries. This study aimed to describe patterns and evaluate associations of root caries with socio-demographic, socio-economic, clinical and behavioural factors. METHODS: A secondary analysis was undertaken using data from the National Survey of Adult Oral Health 2004-2006, which included 5505 randomly general adults 15+ years old...
May 10, 2017: Gerodontology
https://www.readbyqxmd.com/read/28487722/association-mapping-reveals-novel-genetic-loci-contributing-to-flooding-tolerance-during-germination-in-indica-rice
#14
Mengchen Zhang, Qing Lu, Wei Wu, Xiaojun Niu, Caihong Wang, Yue Feng, Qun Xu, Shan Wang, Xiaoping Yuan, Hanyong Yu, Yiping Wang, Xinghua Wei
Rice (Oryza sativa L.) is the only cereal crop that possesses the ability to germinate under flooded or other oxygen-deficient conditions. Rapid elongation of the coleoptile is a perfect response to flooding during germination, with coleoptile length differing among various rice varieties. Despite multiple studies have uncovered valuable information concerning this trait by focusing on the physiological metabolism of oxygen stress, the underlying genetic mechanism still remains unknown. In the present study, we screened coleoptile lengths of 432 indica varieties germinated in two environments (normal and flooded) and found more variation existing in flooded coleoptile length (FCL) rather than in normal coleoptile length (NCL)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28487708/novel-chitinase-gene-loc_os11g47510-from-indica-rice-tetep-provides-enhanced-resistance-against-sheath-blight-pathogen-rhizoctonia-solani-in-rice
#15
Kamboj Richa, Ila M Tiwari, B N Devanna, Jose R Botella, Vinay Sharma, Tilak R Sharma
Sheath blight disease (ShB), caused by the fungus Rhizoctonia solani Kühn, is one of the most destructive diseases of rice (Oryza sativa L.), causing substantial yield loss in rice. In the present study, a novel rice chitinase gene, LOC_Os11g47510 was cloned from QTL region of R. solani tolerant rice line Tetep and used for functional validation by genetic transformation of ShB susceptible japonica rice line Taipei 309 (TP309). The transformants were characterized using molecular and functional approaches...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28482332/a-gibberellin-stimulated-transcript-osgasr1-controls-seedling-growth-and-%C3%AE-amylase-expression-in-rice
#16
Sang-Choon Lee, Soo-Jin Kim, Soon-Ki Han, Gynheung An, Seong-Ryong Kim
From a T-DNA-tagging population in rice, we identified OsGASR1 (LOC_Os03g55290), a member of the GAST (gibberellin (GA)-Stimulated Transcript) family that is induced by salt stress and ABA treatment. This gene was highly expressed in the regions of cell proliferation and panicle development, as revealed by a GUS assay of the mutant line. In the osgasr1 mutants, the second leaf blades were much longer than those of the segregating wild type due to an increase in cell length. In addition, five α-amylase genes were up-regulated in the mutants, implying that OsGASR1 is a negative regulator of those genes...
April 25, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28480186/postoperative-mechanical-small-bowel-obstruction-induced-by-v-loc-barbed-absorbable-suture-after-laparoscopic-distal-gastrectomy
#17
Sung Ho Jang, Yun Kyung Jung, Sung Ji Choi, Tae Kyung Ha
When performing laparoscopic gastrectomy, suturing the intestinal anastomosis presents one of the greatest challenges. The V-Loc unidirectional barbed suture has been introduced to eliminate the need to tie knots during closure. This device offers a fast, secure, and effective alternative to conventional suture repair during laparoscopic surgery. However, there have been reported cases of surgical complications associated with the use of barbed suture devices. We describe here a case of small bowel obstruction resulting from improper use of barbed suture during total laparoscopic distal gastrectomy performed for gastric cancer...
May 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28471243/utility-of-providing-a-concussion-definition-in-the-assessment-of-concussion-history-in-former-nfl-players
#18
Michael L Alosco, Johnny Jarnagin, Yorghos Tripodis, Brett Martin, Christine Chaisson, Christine M Baugh, Alcy Torres, Christopher J Nowinski, Robert C Cantu, Robert A Stern
OBJECTIVE: Former National Football League (NFL) players' working knowledge of concussion has not yet been evaluated, despite this population being a major clinical research target due to the association between repetitive head impacts (RHI) and long-term clinical impairments. This study examined former NFL players' understanding of the current concussion definition, and the association between number of concussions with clinical function. METHODS: 95 former NFL players (mean age = 55...
May 4, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28466303/a-new-and-efficient-approach-for-construction-of-uridine-uracil-auxotrophic-mutants-in-the-filamentous-fungus-aspergillus-oryzae-using-agrobacterium-tumefaciens-mediated-transformation
#19
Khuyen Thi Nguyen, Quynh Ngoc Ho, Loc Thi Binh Xuan Do, Linh Thi Dam Mai, Duc-Ngoc Pham, Huyen Thi Thanh Tran, Diep Hong Le, Huy Quang Nguyen, Van-Tuan Tran
Aspergillus oryzae is a filamentous fungus widely used in food industry and as a microbial cell factory for recombinant protein production. Due to the inherent resistance of A. oryzae to common antifungal compounds, genetic transformation of this mold usually requires auxotrophic mutants. In this study, we show that Agrobacterium tumefaciens-mediated transformation (ATMT) method is very efficient for deletion of the pyrG gene in different Aspergillus oryzae wild-type strains to generate uridine/uracil auxotrophic mutants...
June 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28465183/a-qualitative-analysis-of-men-s-experiences-of-binge-eating
#20
Jillian B Carey, Karen K Saules, Meagan M Carr
Binge eating disorder (BED) is characterized by recurrent overeating episodes, accompanied by loss of control (LOC), in the absence of compensatory behaviors. The literature supports that men overeat as often or more often than do women, but they are less likely to endorse LOC and other BED symptoms. Thus, rates of BED are lower among men. However, differences in prevalence rates may reflect gender bias in current conceptualizations of eating disorders and BED diagnostic criteria, not necessarily truly lower rates of disordered eating among men...
April 29, 2017: Appetite
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