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https://www.readbyqxmd.com/read/28688271/agarose-based-large-molecular-systems-synthesis-of-fluorescent-aromatic-agarose-amino-acid-nano-conjugates-their-ph-stimulated-structural-variations-and-interactions-with-bsa
#1
Atul K Sharma, Nishith A Chudasama, Kamalesh Prasad, A K Siddhanta
Two new nano-sized fluorescent 6-amino agarose naphthalic acid half ester derivatives were synthesized (ca.60% yields) employing 1,8- and 2,3-naphthalic acid anhydrides (1,8-AANE, and 2,3-AANE respectively). These large nano molecular frameworks (DLS 3 & 100 nm, and 3 & 152 nm respectively) contains amino, naphthalate half-ester carboxyl groups at the C-6 positions of the 1,3-β-D-galactopyranose moieties of the agarose backbone (overall DS 0.94). Structures were characterized (FT-IR, and (13)C &(1)H NMR spectrometries)...
June 26, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28659784/effects-of-assist-as-needed-upper-extremity-robotic-therapy-after-incomplete-spinal-cord-injury-a-parallel-group-controlled-trial
#2
John Michael Frullo, Jared Elinger, Ali Utku Pehlivan, Kyle Fitle, Kathryn Nedley, Gerard E Francisco, Fabrizio Sergi, Marcia K O'Malley
BACKGROUND: Robotic rehabilitation of the upper limb following neurological injury has been supported through several large clinical studies for individuals with chronic stroke. The application of robotic rehabilitation to the treatment of other neurological injuries is less developed, despite indications that strategies successful for restoration of motor capability following stroke may benefit individuals with incomplete spinal cord injury (SCI) as well. Although recent studies suggest that robot-aided rehabilitation might be beneficial after incomplete SCI, it is still unclear what type of robot-aided intervention contributes to motor recovery...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28651013/loss-of-prion-protein-induces-a-primed-state-of-type-i-interferon-responsive-genes
#3
Giulia Malachin, Malin R Reiten, Øyvind Salvesen, Håvard Aanes, Jorke H Kamstra, Kerstin Skovgaard, Peter M H Heegaard, Cecilie Ersdal, Arild Espenes, Michael A Tranulis, Maren K Bakkebø
The cellular prion protein (PrPC) has been extensively studied because of its pivotal role in prion diseases; however, its functions remain incompletely understood. A unique line of goats has been identified that carries a nonsense mutation that abolishes synthesis of PrPC. In these animals, the PrP-encoding mRNA is rapidly degraded. Goats without PrPC are valuable in re-addressing loss-of-function phenotypes observed in Prnp knockout mice. As PrPC has been ascribed various roles in immune cells, we analyzed transcriptomic responses to loss of PrPC in peripheral blood mononuclear cells (PBMCs) from normal goat kids (n = 8, PRNP+/+) and goat kids without PrPC (n = 8, PRNPTer/Ter) by mRNA sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28650809/beam-diffraction-effects-in-the-backward-wave-regions-of-viscoelastic-leaky-lamb-modes-for-plate-transmission-at-normal-incidence
#4
Magne Aanes, Kjetil D Lohne, Per Lunde, Magne Vestrheim
Plane-wave theory for fluid-embedded isotropic plates is often used in ultrasonic guided-wave applications, and to estimate wall thickness, corrosion, or sound velocities in plates and pipes. In such structures, measured ultrasonic transmission through the solid material is affected by acoustic beam diffraction effects, and the results may deviate from plane-wave descriptions, which are insufficient to describe the complex effects that occur. When exciting a fluid-embedded steel plate with a pulsed ultrasonic beam at normal incidence, resonance frequency downshift, axial sound pressure level (SPL) increase, and beam narrowing have been observed, for measured resonance peaks in the frequency regions of certain leaky Lamb mode branches of the plate...
June 26, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28650003/american-academy-of-neurology-69th-annual-meeting-april-22-28-2017-boston-massachusetts-usa
#5
C Dulsat
The Annual Meeting of the American Academy of Neurology (AAN) is the largest conference convening neurology professionals from all over the world to share and discuss the latest breakthroughs in neurology treatment. The conference covers basic scientific research to clinical application through a wide range and interesting programs. This report covers some of the therapeutic highlights presented during the conference.
May 2017: Drugs of Today
https://www.readbyqxmd.com/read/28649860/do-racial-ethnic-disparities-exist-in-recommended-migraine-treatments-in-us-ambulatory-care
#6
Larry Charleston Iv, James Francis Burke
Background Racial disparities in migraine have been reported in the US. Migraine in African Americans (AA) is more frequent, more severe, more likely to become chronic and associated with more depression and lower quality of life compared to non-Hispanic Whites (NHW). It is possible that racial differences in prescribing practices contribute to these differences, but little is known about the quality of migraine prescribing patterns in the US or whether racial differences exist. Objective To determine if racial differences in quality of migraine medical prescription care exist...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28648177/species-specific-substrates-and-products-choices-of-4-o-acetyltransferase-from-trichoderma-brevicompactum
#7
Shikha Sharma, Indu Kumari, Razak Hussain, Mushtaq Ahmed, Yusuf Akhter
Antagonistic species of Trichoderma such as T. harzianum, T. viride, T. virens and T. koningii are well-known biocontrol agents that have been reported to suppress pathogenic soil microbes and enhance the growth of crop plants. Secondary metabolites (SMs) including trichothecenes are responsible for its biocontrol activities. The trichothecenes, trichodermin and harzianum A (HA) are produced in species dependent manner respectively, by Trichoderma brevicompactum (TB) and Trichoderma arundinaceum (TA). The last step in the pathway involves the conversion of trichodermol into trichodermin or HA alternatively, which is catalyzed by 4-O-acetyltransferase (encoded by tri3 gene)...
September 2017: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/28646784/premenstrual-mood-and-empathy-after-a-single-light-therapy-session
#8
Marije Aan Het Rot, Kristina Miloserdov, Anna L F Buijze, Ybe Meesters, Marijke C M Gordijn
To examine whether acute changes in cognitive empathy might mediate the impact of light therapy on mood, we assessed the effects of a single light-therapy session on mood and cognitive empathy in 48 premenstrual women, including 17 who met Premenstrual Symptoms Screening Tool criteria for moderate-to-severe premenstrual syndrome / premenstrual dysphoric disorder (PMS/PMDD). Using a participant-blind between-groups design, 23 women underwent 30min of morning light therapy (5,000lx; blue-enriched polychromatic light, 17,000K) while 25 women had a sham session (200lx, polychromatic light, 5,000K)...
June 16, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28639535/corrigendum
#9
(no author information available yet)
Cawley N, Tur C, Prados F, et al. Spinal cord atrophy as a primary outcome measure in phase II trials of progressive multiple sclerosis. Mult Scler. Epub ahead of print 18 May 2017. DOI: 10.1177/1352458517709954. On page 9 of this article, the Declaration of Conflicting Interests and Funding statements were incorrect. The correct declarations are shown below. Declaration of Conflicting Interests The author(s) declared the following potential conflicts of interest with respect to the research, authorship and/or publication of this article: A...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28633582/dopamine-and-light-effects-on-facial-emotion-recognition
#10
Elizabeth Cawley, Maria Tippler, Nicholas J Coupland, Chawki Benkelfat, Diane B Boivin, Marije Aan Het Rot, Marco Leyton
Bright light can affect mood states and social behaviours. Here, we tested potential interacting effects of light and dopamine on facial emotion recognition. Participants were 32 women with subsyndromal seasonal affective disorder tested in either a bright (3000 lux) or dim light (10 lux) environment. Each participant completed two test days, one following the ingestion of a phenylalanine/tyrosine-deficient mixture and one with a nutritionally balanced control mixture, both administered double blind in a randomised order...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28629403/factors-influencing-professional-life-satisfaction-among-neurologists
#11
Stephanie M Teixeira-Poit, Michael T Halpern, Heather L Kane, Michael Keating, Murrey Olmsted
BACKGROUND: Predicted shortages in the supply of neurologists may limit patients' access to and quality of care for neurological disorders. Retaining neurologists already in practice provides one opportunity to support the overall supply of practicing neurologists. Understanding factors associated with professional life satisfaction (and dissatisfaction) and implementing policies to enhance satisfaction may encourage neurologists to remain in clinical practice. In this paper, we present results from the first study examining factors associated with professional life satisfaction among a large sample of U...
June 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28613370/-delayed-diagnosis-of-huntington-s-disease-in-a-psychiatric-setting
#12
L M Tak, B Sizoo, B M Aan de Stegge, S Adema, E van Duijn, B Kremer
Huntington's disease (hd) is characterised by a triad of neuropsychiatric symptoms, motor disturbances and cognitive decline. If initial symptoms are of neuropsychiatric nature they maybe misinterpreted, which can lead to delayed diagnosis. Three examples of delayed hd diagnosis in a psychiatric setting are discussed.
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28578325/survey-of-techniques-utilized-to-access-ventricular-shunts-and-reservoirs
#13
Claudia I Martinez, Stephen Fletcher, Manish N Shah, Marcia L Kerr, David I Sandberg
AIMS: This study assessed variations in pediatric neurosurgical technique when accessing shunts and ventricular access devices (VADs). METHODS: A 12-question survey was developed and sent to members of the American Association of Neurological Surgeons (AANS) whose self-identified subspecialty was pediatric neurosurgery. RESULTS: Four hundred and twenty surveys were sent out, and 149 responses were received (35.5% response rate); 95.3% of respondents always use sterile gloves, 55...
June 3, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28566167/in-vivo-reflectance-confocal-microscopy-of-meissner-s-corpuscles-in-diabetic-distal-symmetric-polyneuropathy
#14
Peter D Creigh, Michael P McDermott, Janet E Sowden, Michele Ferguson, David N Herrmann
OBJECTIVE: To evaluate in-vivo reflectance confocal microscopy (RCM) of Meissner's corpuscles (MC) in diabetic distal symmetric polyneuropathy (DSP). METHODS: Forty-three adults with diabetes and 21 control subjects underwent RCM of MC density at the fingertip of digit V, thenar eminence (TE), and arch of the foot, ankle skin biopsy for epidermal nerve fiber density (ENFD), electrophysiological studies, monofilament threshold testing, and timed vibration at the toe...
July 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28548107/current-controversies-in-brain-death-determination
#15
REVIEW
Ariane Lewis, David Greer
Although the concept of brain death is accepted by the majority of physicians, lawyers, ethicists and society at large, controversies about determination of death by neurological criteria persist, and often reach the public eye. In this article, we examine four prominent controversial brain death cases from 2013-2016. We review current controversies, including protocol variability, recognition of the American Academy of Neurology (AAN) criteria for brain death as an accepted medical standard, and management of objections to discontinuation of organ support after determination of brain death...
May 26, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28543755/comparison-of-two-formulations-of-topical-timolol-for-the-treatment-of-infantile-hemangiomas
#16
Michelle Si Ying Ng, Yong-Kwang Tay, Shanna Shan-Yi Ng, Alice Yee Wah Foong, Mark Jean-Aan Koh
This report compares the efficacy of timolol maleate 0.5% eyedrops (TM) with that of timolol maleate 0.5% ophthalmic gel-forming solution in the treatment of infantile hemangiomas (IHs). Sixty-six patients undergoing treatment with topical timolol were retrospectively reviewed; our results revealed similar therapeutic efficacies for both types of timolol formulations. Early treatment initiation (<3 mos) and superficial lesions correlated with better treatment response. TM eyedrops may be a more cost effective, equally efficacious modality of treatment for IHs...
May 25, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28542233/is-survival-improved-by-the-use-of-niv-and-peg-in-amyotrophic-lateral-sclerosis-als-a-post-mortem-study-of-80-als-patients
#17
Christian Burkhardt, Christoph Neuwirth, Andreas Sommacal, Peter M Andersen, Markus Weber
BACKGROUND: Non-invasive ventilation (NIV) and percutaneous gastrostomy (PEG) are guideline-recommended interventions for symptom management in amyotrophic lateral sclerosis (ALS). Their effect on survival is controversial and the impact on causes of death is unknown. OBJECTIVE: To investigate the effect of NIV and PEG on survival and causes of death in ALS patients. METHODS: Eighty deceased ALS patients underwent a complete post mortem analysis for causes of death between 2003 and 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28529766/genome-wide-profiling-of-dna-5-hydroxymethylcytosine-during-rat-sertoli-cell-maturation
#18
Miriam Landfors, Jostein Johansen, Jan Magnus Aronsen, Cathrine Broberg Vågbø, Louis C Doré, Chuan He, Ivar Sjaastad, Pål Sætrom, Péter Fedorcsák, John Arne Dahl, Håvard Aanes, Markus Fußer, Arne Klungland
Sertoli cells have dual roles during the cells' lifetime. In the juvenile mammal, Sertoli cells proliferate and create the structure of the testis, and during puberty they cease to proliferate and take on the adult role of supporting germ cells through spermatogenesis. Accordingly, many genes expressed in Sertoli cells during testis formation are repressed during spermatogenesis. 5-Hydroxymethylcytosine (5hmC) is a DNA modification enzymatically generated from 5mC and present in all investigated mammalian tissues at varying levels...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28524788/state-of-global-pediatric-neurosurgery-outreach-survey-by-the-international-education-subcommittee
#19
Matthew C Davis, Brandon G Rocque, Ash Singhal, Thomas Ridder, Jogi V Pattisapu, James M Johnston
OBJECTIVE Neurosurgical services are increasingly recognized as essential components of surgical care worldwide. The degree of interest among neurosurgeons regarding international work, and the barriers to involvement in global neurosurgical outreach, are largely unexplored. The authors distributed a survey to members of the American Association of Neurological Surgeons/Congress of Neurological Surgeons (AANS/CNS) Joint Section on Pediatric Neurosurgery to assess the state of global outreach among its members and to identify barriers to involvement...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28524172/in-the-news-clinical-trials-excite-at-aan-2017
#20
Charlotte Ridler
No abstract text is available yet for this article.
May 19, 2017: Nature Reviews. Neurology
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