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https://www.readbyqxmd.com/read/28109126/a-step-wise-approach-to-define-binding-mechanisms-of-surrogate-viral-particles-to-multi-modal-anion-exchange-resin-in-a-single-solute-system
#1
Matthew Brown, Sarah Johnson, Kurt Brorson, Scott Lute, David Roush
Multi-modal anion exchange resins combine properties of both anion exchange and hydrophobic interaction chromatography for commercial protein polishing and may provide some viral clearance as well. From a regulatory viral clearance claim standpoint, it is unclear if multi-modal resins are truly orthogonal to either single-mode anion exchange or hydrophobic interaction columns. To answer this, a strategy of solute surface assays and High Throughput Screening of resin in concert with a scale-down model of large scale chromatography purification was employed to determine the predominant binding mechanisms of a panel of bacteriophage (i...
January 21, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28108563/patient-management-in-aortic-arch-surgery%C3%A2
#2
REVIEW
Sven Peterss, Maximilian Pichlmaier, Alexander Curtis, Maximilian Luehr, Frank Born, Christian Hagl
SummaryAortic arch surgery requires complex patient management beyond the manual replacement of the diseased vessel. These procedures include (i) a thorough and pathologically adjusted preoperative evaluation, (ii) initiation and control of cardiopulmonary bypass, (iii) cerebral protection strategies and (iv) techniques to protect the abdominal end organs during prolonged operations. Due to the complexity of aortic arch procedures, multimodal real-time surveillance is required during all stages of the operation...
January 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28108320/modulation-on-brain-gray-matter-activity-and-white-matter-integrity-by-apoe-%C3%AE%C2%B54-risk-gene-in-cognitively-intact-elderly-a-multimodal-neuroimaging-study
#3
Suping Cai, Yuanyuan Jiang, Yubo Wang, Xiaoming Wu, Junchan Ren, Min Seob Lee, Sunghoon Lee, Liyu Huang
Apolipoprotein E (APOE) ε4 allele is the genetic risk factor with the most established evidence for sporadic Alzheimer's disease. Previous neuroimaging studies have demonstrated insufficiently consistent functional and structural changes among healthy APOE ε4 carriers when compared to non-carriers. Here, in a cognitively intact elderly group (a total of 110: 45 APOE ε4 carriers, 65 non-carriers), we aimed to investigate the potential role of APOE ε4 in the modulation of grey matter activity, white matter integrity, and brain morphology before the development of clinically significant symptoms and signs, by methods of: amplitude of low frequency fluctuations and regional homogeneity analysis based on resting state fMRI, and fiber tractography approach based on diffusion tensor imaging...
January 17, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28108062/chronic-vortioxetine-treatment-in-rodents-modulates-gene-expression-of-neurodevelopmental-and-plasticity-markers
#4
Jessica A Waller, Joseph A Tamm, Aicha Abdourahman, Alan L Pehrson, Yan Li, Manuel Cajina, Connie Sánchez
The multimodal antidepressant vortioxetine displays an antidepressant profile distinct from those of conventional selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) and possesses cognitive-enhancing properties in preclinical and clinical studies. Recent studies have begun to investigate molecular mechanisms that may differentiate vortioxetine from other antidepressants. Acute studies in adult rats and chronic studies in a middle-aged mouse model reveal upregulation of several markers that play a central role in synaptic plasticity...
January 17, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28107629/discovery-of-1-2-3-triazole-derivatives-for-multimodality-pet-ct-cryoimaging-of-myelination-in-the-central-nervous-system
#5
Chunying Wu, Brendan Eck, Sheng Zhang, Junqing Zhu, Anand Dev Tiwari, Yifan Zhang, Yunjie Zhu, Jinming Zhang, Bin Wang, Xizhen Wang, Xu Wang, Jingqiang You, Jian Wang, Yihui Guan, Xingdang Liu, Xin Yu, Bruce D Trapp, Robert Miller, Jerry Silver, David Wilson, Yanming Wang
Myelin pathology is present in many neurological conditions such as multiple sclerosis (MS) and traumatic spinal cord injury (SCI). To facilitate development of novel therapies aimed at myelin repair, we set out to develop imaging agents that permit direct quantification of myelination in vivo. In this work, we designed and synthesized a series of fluorescent fluorinated myelin imaging agents that can be used for in vivo positron emission tomography (PET) imaging combined with subsequent post-mortem fluorescent cryoimaging...
January 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28107402/risk-factors-for-postoperative-pain-intensity-in-patients-undergoing-lumbar-disc-surgery-a-systematic-review
#6
Marie Dorow, Margrit Löbner, Janine Stein, Alexander Konnopka, Hans J Meisel, Lutz Günther, Jürgen Meixensberger, Katarina Stengler, Hans-Helmut König, Steffi G Riedel-Heller
OBJECTIVES: Pain relief has been shown to be the most frequently reported goal by patients undergoing lumbar disc surgery. There is a lack of systematic research investigating the course of postsurgical pain intensity and factors associated with postsurgical pain. This systematic review focuses on pain, the most prevalent symptom of a herniated disc as the primary outcome parameter. The aims of this review were (1) to examine how pain intensity changes over time in patients undergoing surgery for a lumbar herniated disc and (2) to identify socio-demographic, medical, occupational and psychological factors associated with pain intensity...
2017: PloS One
https://www.readbyqxmd.com/read/28107272/perimembranous-ventricular-septal-defect-complicated-by-aorto-right-ventricular-fistula-the-role-of-multimodal-echocardiography
#7
Lachlan F Miles, Daniel Banyasz, Shoane Ip, George Matalanis
No abstract text is available yet for this article.
January 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28107261/management-of-para-aortic-lymph-node-disease-in-patients-with-cervical-cancer-what-is-the-best-approach
#8
Marcelo Vailati Negrão, Julianne Maria da Silva Lima, Samantha Cabral Severino Silva, Maria Del Pilar Estevez Diz, Vanessa da Costa Miranda
Cervical cancer remains a prevalent and deadly disease in low-income countries, especially among young and otherwise healthy women. Multimodality treatment has led to a significant improvement in outcomes for patients with locally advanced disease, and this is mainly because of the incorporation of platinum-based chemoradiotherapy in current treatment protocols. However, locally advanced tumors are associated with a greater risk for para-aortic lymph node (PALN) involvement, which is an important adverse prognostic factor...
January 19, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28106826/colorectal-carcinoma-a-general-overview-and-future-perspectives-in-colorectal-cancer
#9
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Alberto Pradilla Dieste, Elena Cerrada, María Jesús Rodriguez Yoldi
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer-related death. Most cases of CRC are detected in Western countries, with its incidence increasing year by year. The probability of suffering from colorectal cancer is about 4%-5% and the risk for developing CRC is associated with personal features or habits such as age, chronic disease history and lifestyle. In this context, the gut microbiota has a relevant role, and dysbiosis situations can induce colonic carcinogenesis through a chronic inflammation mechanism...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106533/defect-structures-in-frank-kasper-type-square-triangle-tiling-of-multimodal-cage-type-mesoporous-silicas
#10
Yasuhiro Sakamoto
Multimodal cage-type mesoporous silicas (MCMSs) with Frank���Kasper type square���triangle tiling show a unique defect structure, so-called three-fold symmetric hexagons, or shields, which are caused by phason fluctuations in dodecagonal quasicrystals. We observed and characterized three types of configurations inside shields in both quasiperiodic and periodic 3<sup>2</sup>.4.3.4 tiling of MCMSs by transmission electron microscopy (TEM). The high-resolution TEM images of the shields were well explained by polyhedral models, which are the constituents of the Frank���Kasper type tetrahedrally close-packed structures of MCMSs...
January 20, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28106123/visual-area-v5-hmt-contributes-to-perception-of-tactile-motion-direction-a-tms-study
#11
Tomohiro Amemiya, Brianna Beck, Vincent Walsh, Hiroaki Gomi, Patrick Haggard
Human imaging studies have reported activations associated with tactile motion perception in visual motion area V5/hMT+, primary somatosensory cortex (SI) and posterior parietal cortex (PPC; Brodmann areas 7/40). However, such studies cannot establish whether these areas are causally involved in tactile motion perception. We delivered double-pulse transcranial magnetic stimulation (TMS) while moving a single tactile point across the fingertip, and used signal detection theory to quantify perceptual sensitivity to motion direction...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106058/selective-gating-to-vibrational-modes-through-resonant-x-ray-scattering
#12
Rafael C Couto, Vinícius V Cruz, Emelie Ertan, Sebastian Eckert, Mattis Fondell, Marcus Dantz, Brian Kennedy, Thorsten Schmitt, Annette Pietzsch, Freddy F Guimarães, Hans Ågren, Faris Gel'mukhanov, Michael Odelius, Victor Kimberg, Alexander Föhlisch
The dynamics of fragmentation and vibration of molecular systems with a large number of coupled degrees of freedom are key aspects for understanding chemical reactivity and properties. Here we present a resonant inelastic X-ray scattering (RIXS) study to show how it is possible to break down such a complex multidimensional problem into elementary components. Local multimode nuclear wave packets created by X-ray excitation to different core-excited potential energy surfaces (PESs) will act as spatial gates to selectively probe the particular ground-state vibrational modes and, hence, the PES along these modes...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28105952/movement-visualisation-in-virtual-reality-rehabilitation-of-the-lower-limb-a-systematic-review
#13
REVIEW
Luara Ferreira Dos Santos, Oliver Christ, Kedar Mate, Henning Schmidt, Jörg Krüger, Christian Dohle
BACKGROUND: Virtual reality (VR) based applications play an increasing role in motor rehabilitation. They provide an interactive and individualized environment in addition to increased motivation during motor tasks as well as facilitating motor learning through multimodal sensory information. Several previous studies have shown positive effect of VR-based treatments for lower extremity motor rehabilitation in neurological conditions, but the characteristics of these VR applications have not been systematically investigated...
December 19, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28105501/-diagnostics-and-multimodal-treatment-of-depression-in-old-age-new-developments
#14
Gerhard W Eschweiler
Depressive disorders in elderly persons are frequent and can either first be manifested at a younger age and show a recurrent pattern during later life (ICD 10, F33.*) or have an onset beyond 60 years, which is termed late onset depression (LOD). This LOD has a higher tendency to chronification and implies an increased risk of progression, especially to vascular dementia. The multifactorial genesis of depression in old age includes psychosocial, vascular and metabolic factors and requires multimodal therapy modules at the biological and psychosocial level, which is now increasingly being empirically proven...
January 19, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28105196/nanotechnology-for-multimodality-treatment-of-cancer
#15
Xiao-Ying Zhang, Pei-Ying Zhang
Nanotechnology is the latest evolving field and its applications in medicine in recent decades has shown great potential. It has also given a new face to the therapeutics against cancer in recent years. The electronic databases of MEDLINE, EMBASE and PubMed were searched for recent studies, reporting the importance of nanomedicine. The concluding remarks of the above papers mostly confirmed the growing potential of nanomedicine, particularly in the field of cancer. Furthermore, nanomedicine has been observed to promote the therapeutic effect of agents by formulating them into nanocarriers...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105159/small-bowel-metastasis-from-pancreatic-cancer-in-a-long-term-survival-patient-with-synchronous-advanced-malignant-pleural-mesothelioma-a-case-report-and-literature-review
#16
Morena Fasano, Carminia Maria Della Corte, Giovanni Vicidomini, Valerio Scotti, Pier Francesco Rambaldi, Alfonso Fiorelli, Marina Accardo, Ferdinando De Vita, Mario Santini, Fortunato Ciardiello, Floriana Morgillo
Diffuse malignant pleural mesothelioma (MPM) is an aggressive tumor that originates from the surface of the pleura. Approximately 70% of cases are associated with chronic asbestos exposure. MPM is regarded as an incurable disease, with a median survival of ~2 years following intensive multimodality treatment. Pancreatic cancer is a malignancy also associated with a poor prognosis, with only 2% of patients surviving for 5 years. The majority of patients with pancreatic cancer are diagnosed with an advanced stage of disease and experience a poor response to therapy...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104234/knowledge-attitudes-and-perceptions-of-parkinson-s-disease-a-cross-sectional-survey-of-asian-patients
#17
Onanong Jitkritsadakul, Nonglak Boonrod, Roongroj Bhidayasiri
BACKGROUND: A knowledge gap about Parkinson's disease (PD) often exists amongst PD patients, the level and accuracy of which can influence their attitude and perceptions about the disease. Increased awareness of this information deficit can help physicians identify interventions that will improve patient's knowledge and perceptions about PD. OBJECTIVES: To evaluate general understanding of PD and identify knowledge gaps amongst PD patients using a validated PD knowledge questionnaire...
December 29, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28103764/multimodal-pediatric-pain-management-part-2
#18
Stefan J Friedrichsdorf
Dr Stefan Friedrichsdorf speaks to Commissioning Editor Jade Parker: Stefan Friedrichsdorf, MD, is medical director of the Department of Pain Medicine, Palliative Care and Integrative Medicine at Children's Hospitals and Clinics of Minnesota in Minneapolis/St Paul, MN, USA, home to one of the largest and most comprehensive programs of its kind in the country. The pain and palliative care program is devoted to control acute, chronic/complex and procedural pain for inpatients and outpatients in close collaboration with all pediatric subspecialties at Children's Minnesota...
January 20, 2017: Pain Management
https://www.readbyqxmd.com/read/28103545/a-multimodal-speech-capture-system-for-speech-rehabilitation-and-learning
#19
Nordine Sebkhi, Dhyey Desai, Mohammad Islam, Jun Lu, Kimberly Wilson, Maysam Ghovanloo
Speech-language pathologists (SLPs) are trained to correct articulation of people diagnosed with motor speech disorders by analyzing articulators' motion and assessing speech outcome while patients speak. To assist SLPs in this task, we are presenting the Multimodal Speech Capture System (MSCS) that records and displays kinematics of key speech articulators, the tongue and lips, along with voice, using unobtrusive methods. Collected speech modalities, tongue motion, lips gestures, and voice, are visualized not only in real-time to provide patients with instant feedback but also offline to allow SLPs to perform post-analysis of articulators' motion, particularly the tongue, with its prominent but hardly visible role in articulation...
January 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28102833/a-multimodal-approach-to-estimating-vigilance-using-eeg-and-forehead-eog
#20
Wei-Long Zheng, Baoliang Lu
OBJECTIVE: Covert aspects of ongoing user mental states provide key context information for user-aware human computer interactions. In this paper, we focus on the problem of estimating the vigilance of users using EEG and EOG signals. APPROACH: The PERCLOS index as vigilance annotation is obtained from eye tracking glasses. To improve the feasibility and wearability of vigilance estimation devices for real-world applications, we adopt a novel electrode placement for forehead EOG and extract various eye movement features, which contain the principal information of traditional EOG...
January 19, 2017: Journal of Neural Engineering
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