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https://www.readbyqxmd.com/read/28503667/neopeptide-analyser-a-software-tool-for-neopeptide-discovery-in-proteomics-data
#1
Mandy Peffers, Andrew R Jones, Antony McCabe, James Anderson
Experiments involving mass spectrometry (MS)-based proteomics are widely used for analyses of connective tissues. Common examples include the use of relative quantification to identify differentially expressed peptides and proteins in cartilage and tendon. We are working on characterising so-called 'neopeptides', i.e. peptides formed due to native cleavage of proteins, for example under pathological conditions. Unlike peptides typically quantified in MS workflows due to the in vitro use of an enzyme such as trypsin, a neopeptide has at least one terminus that was not due to the use of trypsin in the workflow...
April 7, 2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28441482/value-of-nmr-parameters-and-dft-calculations-for-quantum-information-processing-utilizing-phosphorus-heterocycles
#2
Jéssica B R Lino, Eduardo P Rocha, Teodorico C Ramalho
Quantum computing is the field of science that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform operations on data. The fundamental information unit used in quantum computing is the quantum bit or qubit. It is well-known that quantum computers could theoretically be able to solve problems much more quickly than any classical computers. Currently, the first and still the most successful implementations of quantum information processing (QIP) have been based on nuclear spins in liquids...
June 15, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28339467/a-non-canonical-rna-degradation-pathway-suppresses-rnai-dependent-epimutations-in-the-human-fungal-pathogen-mucor-circinelloides
#3
Silvia Calo, Francisco E Nicolás, Soo Chan Lee, Ana Vila, Maria Cervantes, Santiago Torres-Martinez, Rosa M Ruiz-Vazquez, Maria E Cardenas, Joseph Heitman
Mucorales are a group of basal fungi that includes the casual agents of the human emerging disease mucormycosis. Recent studies revealed that these pathogens activate an RNAi-based pathway to rapidly generate drug-resistant epimutant strains when exposed to stressful compounds such as the antifungal drug FK506. To elucidate the molecular mechanism of this epimutation pathway, we performed a genetic analysis in Mucor circinelloides that revealed an inhibitory role for the non-canonical RdRP-dependent Dicer-independent silencing pathway, which is an RNAi-based mechanism involved in mRNA degradation that was recently identified...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28298324/the-esrd-quality-incentive-program-can-we-bridge-the-chasm
#4
Daniel Weiner, Suzanne Watnick
The ESRD Quality Incentive Program (QIP) is the first mandatory federal pay for performance program launched on January 1, 2012. The QIP is tied to the ESRD prospective payment system and mandated by the Medicare Improvements for Patients and Providers Act of 2008, which directed the Centers for Medicare and Medicaid Services to expand the payment bundle for renal dialysis services and legislated that payment be tied to quality measures. The QIP links 2% of the payment that a dialysis facility receives for Medicare patients on dialysis to the facility's performance on quality of care measures...
March 15, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28217993/assessment-of-label-free-quantification-in-discovery-proteomics-and-impact-of-technological-factors-and-natural-variability-of-protein-abundance
#5
Mhd Rami Al Shweiki, Susann Mönchgesang, Petra Majovsky, Domenika Thieme, Diana Trutschel, Wolfgang Hoehenwarter
We evaluated the state of label-free discovery proteomics focusing especially on technological contributions and contributions of naturally occurring differences in protein abundance to the intersample variability in protein abundance estimates in this highly peptide-centric technology. First, the performance of popular quantitative proteomics software, Proteome Discoverer, Scaffold, MaxQuant, and Progenesis QIP, was benchmarked using their default parameters and some modified settings. Beyond this, the intersample variability in protein abundance estimates was decomposed into variability introduced by the entire technology itself and variable protein amounts inherent to individual plants of the Arabidopsis thaliana Col-0 accession...
February 28, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28152753/data-driven-quality-improvement-in-an-oncology-patient-centered-medical-home
#6
Maureen Lowry, Brian Flounders, Susan Higman Tofani
54 Background: In a 2012 abstract, Data driven transformation for an Oncology Patient-Centered Medical Home, Consultants in Medical Oncology (CMOH) demonstrated that standardized processes and enhanced IT capabilities (IRIS software app) provided a rapid learning system for the practice. Iris aggregated data became the basis for Quality Improvement Projects (QIPs) allowing CMOH to continue to improve in quality and cost measures. Deviation from performance trend is readily identifiable, providing operational direction...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28145700/synthetic-approach-to-determine-the-effect-of-nuclear-spin-distance-on-electronic-spin-decoherence
#7
Michael J Graham, Chung-Jui Yu, Matthew D Krzyaniak, Michael R Wasielewski, Danna E Freedman
Nuclear-electronic interactions are a fundamental phenomenon which impacts fields from magnetic resonance imaging to quantum information processing (QIP). The realization of QIP would transform diverse areas of research including accurate simulation of quantum dynamics and cryptography. One promising candidate for the smallest unit of QIP, a qubit, is electronic spin. Electronic spins in molecules offer significant advantages with regard to QIP, and for the emerging field of quantum sensing. Yet relative to other qubit candidates, they possess shorter superposition lifetimes, known as coherence times or T2, due to interactions with nuclear spins in the local environment...
February 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28115082/the-esrd-quality-incentive-program-the-current-limitations-of-evidence-and-data-to-develop-measures-drive-improvement-and-incentivize-outcomes
#8
REVIEW
Louis H Diamond, Andrew D Howard
This article describes the current state of facilitating the integration of evidence into practice to support initiatives focused on patients with ESRD. We will use the Centers for Medicare and Medicaid Services (CMS) ESRD Quality Incentive Program (QIP) as an example, including a description of the health information infrastructure needed to support the translation of evidence into practice and some of the challenges encountered. The process from the generation of evidence to integration of this evidence into practice includes policy development leading to clinical practice guidelines, clinical performance measures, and clinical decision support tools...
November 2016: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28010959/urine-culture-guided-antibiotic-interventions-a-pharmacist-driven-antimicrobial-stewardship-effort-in-the-ed
#9
Xi Zhang, Nicole Rowan, Bethann Mangel Pflugeisen, Sanjin Alajbegovic
BACKGROUND: Antibiotics are overprescribed for abnormal urine tests including asymptomatic bacteriuria (AB), contributing to rising antimicrobial resistance rates. Pharmacists reviewed urine cultures daily from emergency department (ED) encounters to assess antibiotic appropriateness. We studied antibiotic prescribing practices and assessed compliance to national guidelines, correlations with urine analysis (UA) components, and opportunities for antimicrobial stewardship in the ED. METHODS: This quality improvement project (QIP) was a prospective cohort study at a community hospital ED, with data collected from finalized urine cultures resulting October 30, 2014 through January 5, 2015...
April 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27923890/a-comprehensive-nutrition-focused-quality-improvement-program-reduces-30-day-readmissions-and-length-of-stay-in-hospitalized-patients
#10
Krishnan Sriram, Suela Sulo, Gretchen VanDerBosch, Jamie Partridge, Josh Feldstein, Refaat A Hegazi, Wm Thomas Summerfelt
BACKGROUND: Although screening patients for malnutrition risk on hospital admission is standard of care, nutrition shortfalls are undertreated. Nutrition interventions can improve outcomes. We tested effects of a nutrition-focused quality improvement program (QIP) on hospital readmission and length of stay (LOS). MATERIALS AND METHODS: QIP included malnutrition risk screening at admission, prompt initiation of oral nutrition supplements (ONS) for at-risk patients, and nutrition support...
March 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27905888/medicare-program-end-stage-renal-disease-prospective-payment-system-coverage-and-payment-for-renal-dialysis-services-furnished-to-individuals-with-acute-kidney-injury-end-stage-renal-disease-quality-incentive-program-durable-medical-equipment-prosthetics-orthotics
#11
(no author information available yet)
This rule updates and makes revisions to the End-Stage Renal Disease (ESRD) Prospective Payment System (PPS) for calendar year 2017. It also finalizes policies for coverage and payment for renal dialysis services furnished by an ESRD facility to individuals with acute kidney injury. This rule also sets forth requirements for the ESRD Quality Incentive Program, including the inclusion of new quality measures beginning with payment year (PY) 2020 and provides updates to programmatic policies for the PY 2018 and PY 2019 ESRD QIP...
November 4, 2016: Federal Register
https://www.readbyqxmd.com/read/27887932/assessing-national-provision-of-care-variability-in-bariatric-clinical-care-pathways
#12
Dana A Telem, Saniea F Majid, Kinga Powers, Eric DeMaria, John Morton, Daniel B Jones
BACKGROUND: The American Society for Metabolic and Bariatric Surgery (ASMBS) Quality Improvement and Patient Safety (QIPS) Committee hypothesized that collecting and sharing clinical pathways could provide a valuable resource to new and existing bariatric programs. OBJECTIVE: To shed light on the variability in practice patterns across the country by analyzing pathways. SETTING: United States Centers of Excellence METHODS: From June 2014 to April 2015, clinical pathways pertaining to preoperative, intraoperative, and postoperative management of bariatric patients were solicited from the ASMBS executive council (EC), QIPS committee members, and state chapter presidents...
February 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27797487/long-coherence-times-in-nuclear-spin-free-vanadyl-qubits
#13
Chung-Jui Yu, Michael J Graham, Joseph M Zadrozny, Jens Niklas, Matthew D Krzyaniak, Michael R Wasielewski, Oleg G Poluektov, Danna E Freedman
Quantum information processing (QIP) offers the potential to create new frontiers in fields ranging from quantum biology to cryptography. Two key figures of merit for electronic spin qubits, the smallest units of QIP, are the coherence time (T2), the lifetime of the qubit, and the spin-lattice relaxation time (T1), the thermally defined upper limit of T2. To achieve QIP, processable qubits with long coherence times are required. Recent studies on (Ph4P-d20)2[V(C8S8)3], a vanadium-based qubit, demonstrate that millisecond T2 times are achievable in transition metal complexes with nuclear spin-free environments...
November 9, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27780865/natural-and-induced-mitochondrial-phosphate-carrier-loss-differential-dependence-of-mitochondrial-metabolism-and-dynamics-and-cell-survival-on-the-extent-of-depletion
#14
Erin L Seifert, Aniko Gál, Michelle G Acoba, Qipei Li, Lauren Anderson-Pullinger, Tunde Golenár, Cynthia Moffat, Neal Sondheimer, Steven M Claypool, György Hajnóczky
The relevance of mitochondrial phosphate carrier (PiC), encoded by SLC25A3, in bioenergetics is well accepted. However, little is known about the mechanisms mediating the cellular impairments induced by pathological SLC25A3 variants. To this end, we investigated the pathogenicity of a novel compound heterozygous mutation in SLC25A3 First, each variant was modeled in yeast, revealing that substituting GSSAS for QIP within the fifth matrix loop is incompatible with survival on non-fermentable substrate, whereas the L200W variant is functionally neutral...
December 9, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27637834/heterogeneity-in-general-practitioners-preferences-for-quality-improvement-programs-a-choice-experiment-and-policy-simulation-in-france
#15
Mehdi Ammi, Christine Peyron
Despite increasing popularity, quality improvement programs (QIP) have had modest and variable impacts on enhancing the quality of physician practice. We investigate the heterogeneity of physicians' preferences as a potential explanation of these mixed results in France, where the national voluntary QIP - the CAPI - has been cancelled due to its unpopularity. We rely on a discrete choice experiment to elicit heterogeneity in physicians' preferences for the financial and non-financial components of QIP. Using mixed and latent class logit models, results show that the two models should be used in concert to shed light on different aspects of the heterogeneity in preferences...
December 2016: Health Economics Review
https://www.readbyqxmd.com/read/27559475/improving-door-to-needle-time-in-patients-for-thrombolysis
#16
Darren Fernandes, Udayaraj Umasankar
Ischaemic stroke can result in approximately 2 million brain neurones being damaged for each minute that it is left untreated. Various trials and studies such as the National Institute of Neurologic Disorders (NINDS) trial, the European Cooperative Acute Stroke Study (ECASS), ECASS II, and the Alteplase Thrombolysis for Acute Noninterventional Therapy in Ischemic Stroke (ATLANTIS) study have clearly demonstrated the beneficial effects of intravenous tissue plasminogen activator (tPA) for treatment of acute stroke...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27410808/deterministic-conversion-of-a-four-photon-ghz-state-to-a-w-state-via-homodyne-measurement
#17
Wen-Xue Cui, Shi Hu, Hong-Fu Wang, Ai-Dong Zhu, Shou Zhang
We propose a specific method for converting a four-photon Greenberger-Horne-Zeilinger (GHZ) state to a W state in a deterministic way by using linear optical elements, cross-Kerr nonlinearities, and homodyne measurement. We consider the effects of the quadrature homodyne measurements on the fidelity of the W state and the experimental feasibility of the proposed scheme. This might provide great prospects for converting multipartite entangled states into each other for future optical quantum information processing (QIP)...
July 11, 2016: Optics Express
https://www.readbyqxmd.com/read/27385205/the-effect-of-a-postoperative-quality-improvement-program-on-outcomes-in-colorectal-surgery-in-a-community-hospital
#18
C C M Marres, A W H van de Ven, P C M Verbeek, S van Dieren, W A Bemelman, C J Buskens
PURPOSE: The aim of this study was to evaluate whether implementation of a comprehensive quality improvement program was associated with improved outcomes in patients undergoing oncological colorectal surgery in a non-academic, non-referral community hospital. METHODS: The quality improvement program (QIP) was introduced in January 2011 and consisted of the following interventions: (1) avoidance of postoperative nonsteriodal anti-inflammatory drugs; (2) normovolemia was pursued pre- and postoperatively; (3) non-resectional surgery if possible, in patients over 80 with ASA 3 or 4 classification; and (4) a standardized, postoperative surveillance protocol was introduced, with CRP determination day 2 and 4, and if necessary subsequent abdominal CT with rectal contrast to reduce delay in diagnosis of complications...
September 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27335648/improving-the-rate-of-patient-feedback-for-a-later-life-mental-health-liaison-team
#19
Daniel Cooper
It is well established that patient feedback is key to service development and improvement in the modern NHS. Certain patient groups can be particularly difficult to get feedback from, including those with dementia. The Later Life Mental Health Liaison Team at the Bristol Royal Infirmary were consistently receiving very low levels of patient feedback, such that it was insufficient to properly contribute to future service development and improvement. This QIP aimed to increase this level of feedback to a target of 15% from an existing average of 3%...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27163013/millisecond-coherence-time-in-a-tunable-molecular-electronic-spin-qubit
#20
Joseph M Zadrozny, Jens Niklas, Oleg G Poluektov, Danna E Freedman
Quantum information processing (QIP) could revolutionize areas ranging from chemical modeling to cryptography. One key figure of merit for the smallest unit for QIP, the qubit, is the coherence time (T 2), which establishes the lifetime for the qubit. Transition metal complexes offer tremendous potential as tunable qubits, yet their development is hampered by the absence of synthetic design principles to achieve a long T 2. We harnessed molecular design to create a series of qubits, (Ph4P)2[V(C8S8)3] (1), (Ph4P)2[V(β-C3S5)3] (2), (Ph4P)2[V(α-C3S5)3] (3), and (Ph4P)2[V(C3S4O)3] (4), with T 2s of 1-4 μs at 80 K in protiated and deuterated environments...
December 23, 2015: ACS Central Science
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