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03:14 EDT 20th June 2018 | BioPortfolio

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Showing "Washington Based Inland Imaging Renews with Zotec Partners" PubMed Articles 1–25 of 37,000+

Investigation of contrast-enhanced subtracted breast CT images with MAP-EM based on projection-based weighting imaging.

Contrast-enhanced subtracted breast computer tomography (CESBCT) images acquired using energy-resolved photon counting detector can be helpful to enhance the visibility of breast tumors. In such technology, one challenge is the limited number of photons in each energy bin, thereby possibly leading to high noise in separate images from each energy bin, the projection-based weighted image, and the subtracted image. In conventional low-dose CT imaging, iterative image reconstruction provides a superior signal-...

Variability of ethanol concentration in rainwater driven by origin versus season in coastal and inland North Carolina, USA.

Rainwater ethanol concentrations were measured for one year (June 2013-May 2014) in central (Elon, NC) and coastal (Wilmington, NC) North Carolina, allowing for a comparison of the effects of coastal and marine rain on ethanol concentration and deposition both at the coast and 250 km inland. Rain samples were collected on an event basis and analyzed using enzyme oxidation and headspace solid-phase microextraction (HS-SPME). The volume-weighted average ethanol concentration at Elon (609 ± 116 nM) wa...

HIV transmission and pre-exposure prophylaxis in a high risk MSM population: A simulation study of location-based selection of sexual partners.

In France, indications for pre-exposure prophylaxis (PrEP) for HIV prevention are based on individual-level risk factors for HIV infection. However, the risk of HIV infection may also depend on characteristics of sexual partnerships. Here we study how place-based selection of partners change transmission and the overall efficiency of PrEP.

Big Potential from Small Agents: Nanoparticles for Imaging-Based Companion Diagnostics.

The importance of medical imaging in the diagnosis and monitoring of cancer cannot be overstated. As personalized cancer treatments are gaining popularity, a need for more advanced imaging techniques has grown significantly. Nanoparticles are uniquely suited to fill this void, not only as imaging contrast agents but also as companion diagnostics. This manuscript provides an overview of many ways nanoparticle imaging agents have contributed to cancer imaging, both preclinically and in the clinic, as well as ...

Evaluating a psychosocial intervention for men with prostate cancer and their partners: Outcomes and lessons learned from a randomized controlled trial.

This study evaluated the process and outcome of a psychosocial intervention for men with prostate cancer and their partners. As more men survive prostate cancer, they and their partners need help and support to help them cope with the physical and psychosocial effects of the disease and treatment. There is a lack of psychosocial interventions for men with prostate cancer and their partners.

A shot at contraception: In India, a nonagenarian renews testing of a birth control vaccine.

Adopting an Anti-Racism Public Health Curriculum Competency: The University of Washington Experience.

What Does it Need to Improve Nutrition Quality? The Role of Public Partners.

Public partners play a key role when we want to improve nutrition quality. They will not succeed, when they try to achieve the goal alone or tend to dominate other players. In their responsibility for common interests it is up to public partners to moderate and facilitate the multi-stakeholder and multi-sectorial dialogue to improve nutrition quality. It is up to public partners to establish clear legal and structural guidelines aiming to bring all partners together, to avoid conflicts of interests and, abo...

Dynamics of dissolved organic matter (DOM) in a typical inland lake of the Three Gorges Reservoir area: Fluorescent properties and their implications for dissolved mercury species.

Dissolved organic matter (DOM) plays an important environmental and ecological role in inland aquatic systems, including lakes. In this study, using fluorescence analysis, we investigated the seasonal dynamics of DOM characteristics in Changshou Lake, which is a typical inland lake in the Three Gorges Reservoir (TGR) area. We also discuss the environmental implications of DOM for mercury (Hg) dynamics. Based on the origins of two end-members, the variations in DOM observed in this study in Changshou Lake su...

A web-based system for neural network based classification in temporomandibular joint osteoarthritis.

The purpose of this study is to describe the methodological innovations of a web-based system for storage, integration and computation of biomedical data, using a training imaging dataset to remotely compute a deep neural network classifier of temporomandibular joint osteoarthritis (TMJOA).

Practical Guidelines for Cerenkov Luminescence Imaging with Clinically Relevant Isotopes.

Cerenkov luminescence imaging (CLI) is a relatively new imaging modality that utilizes conventional optical imaging instrumentation to detect Cerenkov radiation derived from standard and often clinically approved radiotracers. Its research versatility, low cost, and ease of use have increased its popularity within the molecular imaging community and at institutions that are interested in conducting radiotracer-based molecular imaging research, but that lack the necessary resources and infrastructure. Here, ...

How Patient Partners Influence Quality Improvement Efforts.

There is growing acknowledgement that patients are key stakeholders in improving quality of medical care, yet a key barrier to integrating patients into quality improvement teams (QITs) as patient partners is the lack of evidence of their impact. This mixed-method study was conducted to identify the ways patient partners influence QITs and to document the extent of patient partners' impact.

The Hidden Roles That Management Partners Play In Accountable Care Organizations.

Accountable care organizations (ACOs) are often discussed and promoted as driven by physicians, hospitals, and other health care providers. However, because of the flexible nature of ACO contracts, management organizations may also become partners in ACOs. We used data from 2013-15 on 276 ACOs from the National Survey of Accountable Care Organizations to understand the prevalence of nonprovider management partners' involvement in ACOs, the services these partners provide, and the structure of ACOs that have...

Model-Based Reconstruction for Simultaneous Multislice and Parallel Imaging Accelerated Multishot Diffusion Tensor Imaging.

Multishot interleaved echo-planar imaging (iEPI) can achieve higher image resolution than single-shot EPI for diffusion-tensor imaging (DTI), but its application is limited by the prolonged acquisition time. To reduce the acquisition time, a novel model-based reconstruction for simultaneous multislice (SMS) and parallel imaging (PI) accelerated iEPI DTI is proposed.

Technical Note: Deep learning based MRAC using rapid ultra-short echo time imaging.

In this study, we explore the feasibility of a novel framework for MR-based attenuation correction for PET/MR imaging based on deep learning via convolutional neural networks, which enables fully automated and robust estimation of a pseudo CT image based on ultrashort echo time (UTE), fat, and water images obtained by a rapid MR acquisition.

Understanding aneurysmal type 1 neovascularisation (polypoidal choroidal vasculopathy): a lesson in the taxonomy of "expanded spectra".

The term aneurysmal type 1 neovascularization is derived from terminology which is established in the literature but which has fallen out of use. We believe that aneurysmal type 1 neovascularization accurately describes the lesions which define the entity known as polypoidal choroidal vasculopathy. Over the last 3 decades the clinical spectrum of PCV has expanded to recognize the occurrence of the aneurysmal (polypoidal) lesions in different contexts, resulting in a complex and unwieldy taxonomy based somet...

MERIS observations of phytoplankton phenology in the Baltic Sea.

The historical data from the MEdium Resolution Imaging Spectrometer (MERIS) is an invaluable archive for studying global waters from inland lakes to open oceans. Although the MERIS sensor ceased to operate in April 2012, the data capacities are now re-established through the recently launched Sentinel-3 Ocean and Land Colour Instrument (OLCI). The development of a consistent time series for investigating phytoplankton phenology features is crucial if the potential of MERIS and OLCI data is to be fully explo...

Multispectral Photoacoustic Imaging of Tumor Protease Activity with a Gold Nanocage-Based Activatable Probe.

Tumor proteases have been recognized as significant regulators in the tumor microenvironment, but the current strategies for in vivo protease imaging have tended to focus on the development of a probe design rather than the investigation of a novel imaging strategy by leveraging the imaging technique and probe. Herein, it is the first report to investigate the ability of multispectral photoacoustic imaging (PAI) to estimate the distribution of protease cleavage sites inside living tumor tissue by using an a...

Auditing The Completeness and Legibility of Computerized Radiological Request Forms.

Certain Saudi healthcare organizations transfer outpatients to medical imaging departments for radiological examinations in a manual process that relies on the use of paper-based forms. With the increased implementation of electronic medical records in Saudi Hospitals, little is known about the completeness and legibility of information captured in  electronic-based medical imaging forms. The purpose of this study is to audit the completeness and legibility of medical imaging paper-based forms in comp...

(18F)-FDG-PET/MRI of unicentric retroperitoneal Castleman disease in a pediatric patient.

Castleman disease (CD) is a rare lymphoproliferative disorder of unknown etiology that may occur anywhere in the lymphatic system. Imaging plays an important role in detecting and staging this disease. Positron Emission Tomography/Magnetic Resonance Imaging (PET/MRI) combines the metabolic information derived from nuclear medical imaging with the high soft tissue resolution from MRI. We review the features of CD in standard diagnostic imaging, analyze the specific imaging findings of CD in FDG-PET/MRI and d...

Intrinsically Zirconium-89-Labeled Manganese Oxide Nanoparticles for Dual-Modality Positron Emission Tomography and Magnetic Resonance Imaging.

Manganese-based nanoparticles (NPs) have recently attracted much attention in the field of biomedical imaging due to their impressive enhanced T1 contrast ability. Although the reported manganese-based NPs have exhibited good imaging capabilities as contrast agents, it is still urgent to develop novel multifunctional manganese-based imaging probes for future biomedical imaging, especially PET/MRI probes. Herein, we present chelator-free zirconium-89 (89Zr, t1/2: 78.4 h) labeling of manganese oxide NPs (Mn3O...

High-depth-resolution range imaging with multiple-wavelength superheterodyne interferometry using 1550-nm lasers.

Lasers and laser diodes are widely used as illumination sources for optical imaging techniques. Time-of-flight (ToF) cameras with laser diodes and range imaging based on optical interferometry systems using lasers are among these techniques, with various applications in fields such as metrology and machine vision. ToF cameras can have imaging ranges of several meters, but offer only centimeter-level depth resolution. On the other hand, range imaging based on optical interferometry has depth resolution on th...

Research Imaging of Brain Structure and Function After Concussion.

Even when concussions are associated with prolonged physical and cognitive sequelae, concussions are typically "invisible" on diagnostic brain imaging, indicating that the neuropathology associated with concussion lies under the detection threshold of routine imaging. However, data from brain structural and functional research imaging studies using diffusion tensor imaging, resting-state functional magnetic resonance imaging, and brain perfusion imaging indicate that these imaging sequences have a role in i...

Patients as Front-Line Owners and Partners in Improving Quality and Safety.

As patient partners, we are pleased by the success of the front-line ownership (FLO) approach in advancing safe care in a variety of initiatives and settings. The FLO underlying principles and approach deeply resonate with us as illustrated in the following quotes from the paper: "Nothing about me without me," "Most passionate change agents are not in roles that typically get invited to participate," "Inviting anybody who is interested in the problem at hand," "FLO creates a way to break down hierarchies, i...

Quality of Life in Partners of Young and Old Breast Cancer Survivors.

Partners of breast cancer survivors experience the effects of a spouse's cancer years after treatment. Partners of younger survivors (YPs) may experience greater problems than partners of older survivors (OPs), just as younger survivors experience greater problems than their older counterparts.

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