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https://www.readbyqxmd.com/read/29341638/quantum-communication-using-coherent-rejection-sampling
#1
Anurag Anshu, Vamsi Krishna Devabathini, Rahul Jain
Compression of a message up to the information it carries is key to many tasks involved in classical and quantum information theory. Schumacher [B. Schumacher, Phys. Rev. A 51, 2738 (1995)PLRAAN1050-294710.1103/PhysRevA.51.2738] provided one of the first quantum compression schemes and several more general schemes have been developed ever since [M. Horodecki, J. Oppenheim, and A. Winter, Commun. Math. Phys. 269, 107 (2007); CMPHAY0010-361610.1007/s00220-006-0118-xI. Devetak and J. Yard, Phys. Rev. Lett. 100, 230501 (2008); PRLTAO0031-900710...
September 22, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29340924/impact-of-preoperative-opioid-use-after-emergency-general-surgery
#2
Young Kim, Alexander R Cortez, Koffi Wima, Vikrom K Dhar, Krishna P Athota, Jason J Schrager, Timothy A Pritts, Michael J Edwards, Shimul A Shah
BACKGROUND: Preoperative exposure to narcotics has recently been associated with poor outcomes after elective major surgery, but little is known as to how preoperative opioid use impacts outcomes after common, emergency general surgical procedures (EGS). METHODS: A high-volume, single-center analysis was performed on patients who underwent EGS from 2012 to 2013. EGS was defined as the seven emergent operations that account for 80% of the national burden. Preoperative opioid use was defined as having an active opioid prescription within 7 days prior to surgery...
January 16, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29340639/biomechanical-rigidity-and-quantitative-proteomics-analysis-of-segmental-regions-of-the-trabecular-meshwork-at-physiologic-and-elevated-pressures
#3
Janice A Vranka, Julia A Staverosky, Ashok P Reddy, Phillip A Wilmarth, Larry L David, Ted S Acott, Paul Russell, Vijay Krishna Raghunathan
Purpose: The extracellular matrix (ECM) of the trabecular meshwork (TM) modulates resistance to aqueous humor outflow, thereby regulating IOP. Glaucoma, a leading cause of irreversible blindness worldwide, is associated with changes in the ECM of the TM. The elastic modulus of glaucomatous TM is larger than age-matched normal TM; however, the biomechanical properties of segmental low (LF) and high flow (HF) TM regions and their response to elevated pressure, are unknown. Methods: We perfused human anterior segments at two pressures using an ex vivo organ culture system...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29340294/a-comparison-of-endoscopic-and-non-endoscopic-biliary-intervention-outcomes-in-patients-with-prior-bariatric-surgery
#4
Amrit K Kamboj, Victorio Pidlaoan, Mohammad H Shakhatreh, Alice Hinton, Darwin L Conwell, Somashekar G Krishna
Background and study aims : Endoscopic biliary intervention (BI) is often difficult to perform in patients with prior bariatric surgery (BRS). We sought to analyze outcomes of patients with prior BRS undergoing endoscopic and non-endoscopic BI. Patients and methods:  The Nationwide Inpatient Sample (2007 - 2011) was reviewed to identify all adult inpatients (≥ 18 years) with a history of BRS undergoing BI. The clinical outcomes of interest were in-patient mortality, length of stay (LOS), and total hospital charges...
January 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29339841/role-of-autologous-non-vascularised-intramedullary-fibular-strut-graft-in-humeral-shaft-nonunions-following-failed-plating
#5
Sreekanth Kashayi-Chowdojirao, Aashish Vallurupalli, Vijay Krishna Chilakamarri, Chandrasekhar Patnala, Lalith Mohan Chodavarapu, Nageswara Rao Kancherla, Asif Hussain Khazi Syed
Background: Non-union humeral shaft fractures are seen frequently in clinical practice at about 2-10% in conservative management and 30% in surgically operated patients. Osteosynthesis using dynamic compression plate (DCP), intramedullary nailing, locking compression plate (LCP), Ilizarov technique along with bone grafting have been reported previously. In cases of prior failed plate-screw osteosynthesis the resultant osteopenia, cortical defect, bone loss, scalloping around screws and metallosis, make the management of non-union more complicated...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29339323/mechanical-thrombectomy-of-acute-middle-cerebral-artery-occlusion-using-trans-anterior-communicating-artery-approach
#6
Krishna Amuluru, Charles E Romero, Logan Pyle, Mohammad El-Ghanem, Fawaz Al-Mufti
BACKGROUND: A cross-circulation technique involves gaining access to a cerebral vessel through a patent anterior or posterior communicating artery. This technique may be utilized in patients with emergent large vessel occlusions and an unfavorable direct route to the occlusion. While few previous reports have demonstrated successful cross-circulation technique for treatment of emergent large vessel occlusions, we present the first two cases of trans-anterior communicating artery stent-retriever thrombectomy...
January 12, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29339274/geochemical-sources-of-metal-contamination-in-a-coal-mining-area-in-chhattisgarh-india-using-lead-isotopic-ratios
#7
Avijit Das, Subhra Sarita Patel, Rajeev Kumar, K V S S Krishna, Saikat Dutta, Manik Chandra Saha, Siladitya Sengupta, Dipayan Guha
A geochemical study of the trace metals and lead isotopic ratios of soil and sediments in Korba, Chhattisgarh, India is presented here for the first time. Korba, the nation's 'power hub' is also the fifth among its eighty-eight most critically polluted industrial hotspots. A very high mean concentration (in mg kg-1) of V (308), Cr (567), Mn (3442), Co (92), Cu (218), Zn (426), Pb (311), Th (123) and U (32) characterized the sediments of the studied area with mean Igeo values of the trace metals ranging from -2...
January 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29338178/dna-damage-and-apoptosis-induction-in-cancer-cells-by-chemically-engineered-thiolated-riboflavin-gold-nanoassembly
#8
Abhishek Sau, Sulagna Sanyal, Kallol Bera, Sabyasachi Sen, Amrit Krishna Mitra, Uttam Pal, Prabal Kumar Chakraborty, Sayantan Ganguly, Biswarup Satpati, Chandrima Das, Samita Basu
Herein we have engineered a smart nuclear targeting thiol-modified riboflavin-gold nano assembly, RfS@AuNPs, which accumulates selectively in nucleus without any nuclear-targeting peptides (NLS/RGD) and shows photophysically in vitro DNA intercalation. A theoretical model using Molecular Dynamics has been developed to probe the mechanism of formation and stability as well as dynamics of the RfS@AuNPs in aqueous solution and within DNA microenvironment. The RfS@AuNPs facilitate the binucleated cell formation that is reflected in the significant increase of DNA damage marker, γ-H2AX as well as the arrest of most of the HeLa cells at pre-G1 phase indicating cell death...
January 16, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29337985/increased-risk-of-ischemic-heart-disease-hypertension-and-type-2-diabetes-in-women-with-previous-gestational-diabetes-mellitus-a-target-group-in-general-practice-for-preventive-interventions-a-population-based-cohort-study
#9
Barbara Daly, Konstantinos A Toulis, Neil Thomas, Krishna Gokhale, James Martin, Jonathan Webber, Deepi Keerthy, Kate Jolly, Ponnusamy Saravanan, Krishnarajah Nirantharakumar
BACKGROUND: Gestational diabetes mellitus (GDM) is associated with developing type 2 diabetes, but very few studies have examined its effect on developing cardiovascular disease. METHODS AND FINDINGS: We conducted a retrospective cohort study utilizing a large primary care database in the United Kingdom. From 1 February 1990 to 15 May 2016, 9,118 women diagnosed with GDM were identified and randomly matched with 37,281 control women by age and timing of pregnancy (up to 3 months)...
January 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29337241/differential-effects-of-alzheimer-s-disease-a%C3%AE-40-and-42-on-endocytosis-and-intraneuronal-trafficking
#10
Rajesh S Omtri, Kevin Thompson, Xiojia Tang, Chaitanya C Gali, Ute Panzenboeck, Michael W Davidson, Krishna R Kalari, Karunya K Kadimalla
Anomalous neuronal accumulation of Aβ peptides was shown to affect synaptic transmission and contribute to neurodegeneration in Alzheimer's disease (AD) brain. Neuronal cells internalize amyloid beta (Aβ) peptides from the brain extracellular space even under normal physiological conditions, and these endocytotic pathways go awry during AD progression. We hypothesized that exposure to toxic Aβ species accumulating in AD brain contribute to perturbations in neuronal endocytosis. We have shown substantial down-regulation of KEGG endocytotic pathway genes in AD patient brain regions that accumulate Aβ compared to those in non-demented individuals...
January 11, 2018: Neuroscience
https://www.readbyqxmd.com/read/29337240/prevention-of-the-severity-of-post-ischemic-inflammation-and-brain-damage-by-simultaneous-knockdown-of-toll-like-receptors-2-and-4
#11
Koteswara Rao Nalamolu, Nathan J Smith, Bharath Chelluboina, Jeffrey D Klopfenstein, David M Pinson, David Z Wang, Raghu Vemuganti, Krishna Kumar Veeravalli
Toll-like receptor 2 (TLR2) and TLR4 belong to a family of highly conserved pattern recognition receptors and are well-known upstream sensors of signaling pathways of innate immunity. TLR2 and TLR4 upregulation is thought to be associated with poor outcome in stroke patients. We currently show that transient focal ischemia in adult rats induces TLR2 and TLR4 expression within hours and shRNA-mediated knockdown of TLR2 and TLR4 alone and in combination decreases the infarct size and swelling. We further show that TLR2 and TLR4 knockdown also prevented the induction of their downstream signaling molecules MyD88, IRAK1, and NFκB p65 as well as the pro-inflammatory cytokines IL-1β, IL-6, and TNFα...
January 11, 2018: Neuroscience
https://www.readbyqxmd.com/read/29336739/nonuterine-lipoleiomyoma
#12
Krishna Bommakanti, Mark A Valasek, Jason K Sicklick
No abstract text is available yet for this article.
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29336039/pollen-germination-and-in-vivo-fertilization-in-response-to-high-temperature-during-flowering-in-hybrid-and-inbred-rice
#13
Wanju Shi, Xiang Li, Ralf C Schmidt, Paul C Struik, Xinyou Yin, S V Krishna Jagadish
High temperature during flowering in rice causes spikelet sterility and is a major threat to rice productivity in tropical and subtropical regions, where hybrid rice development is increasingly contributing to sustain food security. However, the sensitivity of hybrids to increasing temperature and physiological responses in terms of dynamic fertilization processes are unknown. To address these questions, several promising hybrids and inbreds were exposed to control and high day-time temperature (HDT) in Experiment 1 and hybrids having contrasting heat tolerance were selected for Experiment 2 for further physiological investigation under high day and night temperature treatments...
January 15, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29334850/an-immunopathological-evaluation-of-the-porcine-cholecyst-matrix-as-a-muscle-repair-graft-in-a-male-rat-abdominal-wall-defect-model
#14
Dhanush Krishna Balakrishnan-Nair, Narayanan Divakaran Nair, Syam Kunnekkattu Venugopal, Vijayan Narayana Das, Sisilamma George, Mammen John Abraham, Saji Eassow, Malcolm Ronald Alison, Anoop Sainulabdeen, Thapasimuthu Vijayamma Anilkumar
With the increasing use of animal-based biomaterials for regenerative medical applications, the need for their safety assessment is paramount. A porcine cholecyst-derived scaffold (CDS), intended as a muscle repair graft, prepared by a nondetergent/enzymatic method was engrafted in a rat abdominal wall defect model. Host tissue-scaffold interface samples were collected 2, 8, and 16 weeks postimplantation and evaluated by histopathology, immunohistochemistry, and electron microscopy. The nature of the tissue reaction was compared with those induced by a jejunum-derived scaffold (JDS) prepared by the same method and a commercial-grade small intestinal submucosa (CSIS) scaffold...
January 1, 2018: Toxicologic Pathology
https://www.readbyqxmd.com/read/29334829/rare-combination-of-pathologies-causing-mitral-stenosis-and-mitral-regurgitation-a-case-report
#15
Anupama K Nair, Kuntal Roy Chowdhuri, Sitaraman Radhakrishnan, Krishna S Iyer, Manish Saxena
A supramitral ring is a rare cause of mitral stenosis, while an isolated mitral valve cleft is a rare cause of congenital mitral regurgitation. Fortunately, both the lesions are known to have good outcomes after surgical correction. Although each is known to be associated with a variety of other structural heart defects, their coexistence has not been reported previously. We report a case of a three- and half-year-old boy detected to have a rare combination of supramitral ring producing severe mitral stenosis with a coexisting cleft in the anterior leaflet of mitral valve causing severe mitral regurgitation...
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29334235/impact-of-an-assertive-community-treatment-model-of-care-on-the-treatment-of-prisoners-with-a-serious-mental-illness
#16
Brian McKenna, Jeremy Skipworth, Rees Tapsell, Krishna Pillai, Dominic Madell, Alexander Simpson, James Cavney, Paul Rouse
OBJECTIVES: This study aims to describe the impact of a mental health assertive community treatment prison model of care (PMOC) on improving the ability to identify prisoner needs, provide interventions and monitor their efficacy. METHODS: We carried out a file review across five prisons of referrals in the year before the implementation of the PMOC in 2010 ( n = 423) compared with referrals in the year after ( n = 477). RESULTS: Some improvements in the identification of needs and providing interventions were detected...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29333371/use-of-repeat-anterior-maxillary-distraction-to-correct-residual-midface-hypoplasia-in-cleft-patients
#17
Sunil Richardson, Shreya Krishna, Avi Bansal
Objectives: The study was designed to evaluate the efficacy of performing a second, repeat anterior maxillary distraction (AMD) to treat residual cleft maxillary hypoplasia. Materials and Methods: Five patients between the ages of 12 to 15 years with a history of AMD and with residual cleft maxillary hypoplasia were included in the study. Inclusion was irrespective of gender, type of cleft lip and palate, and the amount of advancement needed. Repeat AMD was executed in these patients 4 to 5 years after the primary AMD procedure to correct the cleft maxillary hypoplasia that had developed since the initial procedure...
December 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29333016/clinicopathological-features-and-outcomes-in-primary-central-nervous-system-lymphoma-a-10-year-experience
#18
Chaitanya Krishna Puligundla, Stalin Bala, Ashok Kumar Karnam, Sadashivudu Gundeti, Tara Roshni Paul, Megha S Uppin, Lakshmi Srinivas Maddali
Context: Primary central nervous system lymphoma (PCNSL) is a variant of extranodal lymphoma, accounting for 4% of primary central nervous system tumors. PCNSL was more common in immunocompetent individuals. International Extranodal Lymphoma Study Group (IELSG) scoring was used for prognostication. High-dose methotrexate regimens along with radiotherapy improved outcomes in PCNSL. Aims: The aim of this study is to analyze the clinical and pathological features, progression-free survival (PFS), and overall survival (OS) in patients with PCNSL...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29331090/enhanced-chondrogenesis-of-mesenchymal-stem-cells-over-silk-fibroin-chitosan-chondroitin-sulfate-three-dimensional-scaffold-in-dynamic-culture-condition
#19
Parinita Agrawal, Krishna Pramanik, Varshini Vishwanath, Amit Biswas, Akalabya Bissoyi, Pradeep Kumar Patra
Chondroitin sulfate (Ch) is one of the main structural components of cartilage tissue, therefore, its presence in tissue engineered scaffold is expected to enhance cartilage regeneration. Previously, silk fibroin/chitosan (SF/CS) blend was proven to be a potential biomaterial for tissue development. In this study, the effect of Ch on physicochemical and biological properties of SF/CS blend was investigated and scaffolds with 0.8 wt% Ch was found to be favorable. The scaffolds possess pore size of 37-212 µm, contact angle 46...
January 13, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29330023/unraveling-the-differential-structural-stability-and-dynamics-features-of-t7-endolysin-partially-folded-conformations
#20
Meenakshi Sharma, Dinesh Kumar, Krishna Mohan Poluri
BACKGROUND: Characterization of partially collapsed protein conformations at atomic level is a daunting task due to their inherent flexibility and conformational heterogeneity. T7 bacteriophage endolysin (T7L) is a single-domain amidase that facilitates the lysis of Gram-negative bacteria. T7L exhibits a pH-dependent structural transition from native state to partially folded (PF) conformation. In the pH range 5-3, T7L PF states display differential ANS binding characteristics. METHODS: CD, fluorescence, NMR spectroscopy and lysis assays were used to investigate the structure-stability- dynamics relationships of T7L PF conformations...
January 9, 2018: Biochimica et Biophysica Acta
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