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https://www.readbyqxmd.com/read/28534909/engineering-band-gap-and-electronic-transport-in-organic-inorganic-halide-perovskites-by-superlattices
#1
Rahul Singh, Ranjith Kottokkaran, Vikram L Dalal, Ganesh Balasubramanian
Organic/inorganic lead and tin halide perovskites (CH3NH3PbI3 and CH3NH3SnI3) have been promising for photovoltaics because of their high charge carrier mobility, and large absorption coefficient and diffusion length. Both these perovskites also have a notable Seebeck coefficient, depending on the doping level, indicating their potential as thermoelectrics. We create superlattices of these hybrid organic-inorganic halide perovskites and investigate electronic transport through them using first principles computations and experiments...
May 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28532141/pleomorphic-sarcoma-of-breast-a-report-of-two-cases-and-review-of-literature
#2
Anju Bansal, Manveen Kaur, Varsha Dalal
Sarcomas account for less than 1% of all primary breast malignancies, pleomorphic sarcoma of the breast being even rarer. We present two cases of pleomorphic sarcoma of the breast in a 35-year-old and a 43-year-old female. An extensive review of the available literature with evaluation of the etiology, changing terminologies and histopathologic features of pleomorphic sarcoma of the breast are discussed. The prognostic factors and treatment modalities have also been reviewed.
April 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28531656/biodegradation-of-phthalic-acid-esters-paes-and-in-silico-structural-characterization-of-mono-2-ethylhexyl-phthalate-mehp-hydrolase-on-the-basis-of-close-structural-homolog
#3
Neha Singh, Vikram Dalal, Jai Krishna Mahto, Pravindra Kumar
Three bacterial strains capable of degrading phthalates namely Pseudomonas sp. PKDM2, Pseudomonas sp. PKDE1 and Pseudomonas sp. PKDE2 were isolated and characterized for their degradative potential. These strains efficiently degraded 77.4%-84.4% of DMP, 75.0%-75.7% of DEP and 71.7%-74.7% of DEHP, initial amount of each phthalate is 500mgL(-1) of each phthalate, after 44h of incubation. GC-MS results reveal the tentative DEHP degradation pathway, where hydrolases mediate the breakdown of DEHP to phthalic acid (PA) via an intermediate MEHP...
April 25, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28530049/examining-the-effects-of-hiv-self-testing-compared-to-standard-hiv-testing-services-a-systematic-review-and-meta-analysis
#4
Cheryl C Johnson, Caitlin Kennedy, Virginia Fonner, Nandi Siegfried, Carmen Figueroa, Shona Dalal, Anita Sands, Rachel Baggaley
INTRODUCTION: HIV self-testing (HIVST) is a discreet and convenient way to reach people with HIV who do not know their status, including many who may not otherwise test. To inform World Health Organization (WHO) guidance, we assessed the effect of HIVST on uptake and frequency of testing, as well as identification of HIV-positive persons, linkage to care, social harm, and risk behaviour. METHODS: We systematically searched for studies comparing HIVST to standard HIV testing until 1 June 2016...
May 15, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28529170/10-year-retained-video-capsule-with-crohn-s-associated-small-bowel-adenocarcinoma
#5
Matthew W Stier, Sudarshan Paramsothy, Sushila Dalal
No abstract text is available yet for this article.
May 18, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28515519/desflurane-for-ambulatory-anaesthesia-a-comparison-with-sevoflurane-for-recovery-profile-and-airway-responses
#6
Kajal Sachin Dalal, Meghana Vijay Choudhary, Adit Jagdish Palsania, Pratibha Vinayak Toal
BACKGROUND AND AIMS: Desflurane and sevoflurane have low blood gas solubility co-efficients, allowing a rapid awakening from anaesthesia. However, desfluraneis pungent and may cause airway irritability. We compared desflurane and sevoflurane with respect to recovery and occurrence of adverse airway responses in spontaneously breathing patients while using the ProSeal™ laryngeal mask airway (LMA). METHODS: Ninety-four adult patients undergoing hysteroscopic procedures were divided into sevoflurane (S) group or desflurane (D) group...
April 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28515113/force-sensing-catheters-during-pediatric-radiofrequency-ablation-the-federation-study
#7
Aarti S Dalal, Hoang H Nguyen, Tammy Bowman, George F Van Hare, Jennifer N Avari Silva
BACKGROUND: Based on data from studies of atrial fibrillation ablations, optimal parameters for the TactiCath (TC; St. Jude Medical, Inc) force-sensing ablation catheter are a contact force of 20 g and a force-time integral of 400 g·s for the creation of transmural lesions. We aimed to evaluate TC in pediatric and congenital heart disease patients undergoing ablation. METHODS AND RESULTS: Comprehensive chart and case reviews were performed from June 2015 to March 2016...
May 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28490521/survival-in-women-versus-men-following-implantation-of-pacemakers-defibrillators-and-cardiac-resynchronization-therapy-devices-in-a-large-nationwide-cohort
#8
Niraj Varma, Suneet Mittal, Julie B Prillinger, Jeff Snell, Nirav Dalal, Jonathan P Piccini
BACKGROUND: Whether outcomes differ between sexes following treatment with pacemakers (PM), implantable cardioverter defibrillators, and cardiac resynchronization therapy (CRT) devices is unclear. METHODS AND RESULTS: Consecutive US patients with newly implanted PM, implantable cardioverter defibrillators, and CRT devices from a large remote monitoring database between 2008 and 2011 were included in this observational cohort study. Sex-specific all-cause survival postimplant was compared within each device type using a multivariable Cox proportional hazards model, stratified on age and adjusted for remote monitoring utilization and ZIP-based socioeconomic variables...
May 10, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28471886/prospective-evaluation-of-a-multifaceted-intervention-to-improve-outcomes-in-intensive-care-the-promoting-respect-and-ongoing-safety-through-patient-engagement-communication-and-technology-study
#9
Patricia C Dykes, Ronen Rozenblum, Anuj Dalal, Anthony Massaro, Frank Chang, Marsha Clements, Sarah Collins, Jacques Donze, Maureen Fagan, Priscilla Gazarian, John Hanna, Lisa Lehmann, Kathleen Leone, Stuart Lipsitz, Kelly McNally, Conny Morrison, Lipika Samal, Eli Mlaver, Kumiko Schnock, Diana Stade, Deborah Williams, Catherine Yoon, David W Bates
OBJECTIVES: Studies comprehensively assessing interventions to improve team communication and to engage patients and care partners in ICUs are lacking. This study examines the effectiveness of a patient-centered care and engagement program in the medical ICU. DESIGN: Prospective intervention study. SETTING: Medical ICUs at large tertiary care center. PATIENTS: Two thousand one hundred five patient admissions (1,030 before and 1,075 during the intervention) from July 2013 to May 2014 and July 2014 to May 2015...
May 3, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28469901/use-of-electronic-clinical-decision-support-and-hard-stops-to-decrease-unnecessary-thyroid-function-testing
#10
Sonia Dalal, Siddharth Bhesania, Steven Silber, Parag Mehta
NewYork-Presbyterian Brooklyn Methodist Hospital embarked on a Zero Unnecessary Study (ZEUS) initiative, whereby all aspects of clinical care were evaluated and strategies were implemented to mitigate waste. An opportunity was found in regards to thyroid function testing. It has been shown that certain TFTs are ordered far more often than clinically indicated. Free T3 (fT3) and Free T4 (fT4) are only indicated when the TSH is abnormal in the inpatient setting, with rare exceptions. Thus, a clinical algorithm for Clinical Decision Support (CDS) and Hard Stops (HS) were incorporated into the Electronic Medical Record (EMR) to prevent fT3 or fT4 to be ordered without an abnormal TSH, with certain predefined exceptions...
2017: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/28468533/willingness-to-use-short-term-oral-pre-exposure-prophylaxis-prep-by-migrant-miners-and-female-partners-of-migrant-miners-in-mozambique
#11
Joana Falcao, Laurence Ahoua, Allison Zerbe, Pietro di Mattei, Rachel Baggaley, Victor Chivurre, Prince Mulondo, Isaias Ramiro, Shona Dalal, Fernando Morales, Kevin O'Reilly, Wafaa El-Sadr
Migrant miners from Mozambique who work in South Africa and their partners are at substantial risk for HIV infection. We conducted a cross-sectional study to assess the willingness of migrant miners and female partners of miners to take short-term pre-exposure prophylaxis (PrEP) for prevention of HIV acquisition. The study was conducted in Gaza Province, Mozambique, between September and October 2015. A total of 131 male miners and female partners of male miners completed a questionnaire. Subsequently, 48 in-depth interviews among male miners and female partners of miners and 3 focus-group discussions (6 participants each) among female partners of miners were conducted...
May 4, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28467113/efficacy-and-safety-of-insulin-glargine-300-u-ml-versus-insulin-glargine-100-u-ml-in-high-risk-and-low-risk-patients-with-type-2-diabetes-stratified-using-common-clinical-performance-measures
#12
Ildiko Lingvay, Jason Chao, Mehul R Dalal, Luigi F Meneghini
BACKGROUND: To determine whether previously reported reductions in hypoglycemia associated with insulin glargine 300 U/mL (Gla-300) compared with insulin glargine 100 U/mL (Gla-100) are impacted by patient risk category in type 2 diabetes (T2D), clinical performance measures based on the Healthcare Effectiveness Data and Information Set (HEDIS) were applied to patient-level data from the EDITION 2 and EDITION 3 clinical trials that compared Gla-300 and Gla-100. METHODS: In this post hoc analysis, patients were stratified as low risk (LR) if patients were <65 years old with no comorbidities derived from HEDIS (HbA1c target <7...
May 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28465491/discovery-and-characterization-of-small-molecules-targeting-the-dna-binding-ets-domain-of-erg-in-prostate-cancer
#13
Miriam S Butler, Mani Roshan-Moniri, Michael Hsing, Desmond Lau, Ari Kim, Paul Yen, Marta Mroczek, Mannan Nouri, Scott Lien, Peter Axerio-Cilies, Kush Dalal, Clement Yau, Fariba Ghaidi, Yubin Guo, Takeshi Yamazaki, Sam Lawn, Martin E Gleave, Cheryl Y Gregory-Evans, Lawrence P McIntosh, Michael E Cox, Paul S Rennie, Artem Cherkasov
Genomic alterations involving translocations of the ETS-related gene ERG occur in approximately half of prostate cancer cases. These alterations result in aberrant, androgen-regulated production of ERG protein variants that directly contribute to disease development and progression. This study describes the discovery and characterization of a new class of small molecule ERG antagonists identified through rational in silico methods. These antagonists are designed to sterically block DNA binding by the ETS domain of ERG and thereby disrupt transcriptional activity...
April 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28463001/antiplasmodial-sesquiterpenoid-lactones-from-trichospira-verticillata-structure-elucidation-by-spectroscopic-methods-and-comparison-of-experimental-and-calculated-ecd-data
#14
Yongle Du, Kirk C Pearce, Yumin Dai, Priscilla Krai, Seema Dalal, Maria B Cassera, Michael Goetz, T Daniel Crawford, David G I Kingston
A dichloromethane extract of Trichospira verticillata from the Natural Products Discovery Institute was discovered to have good antiplasmodial activity (IC50 ∼5 μg/mL). After purification by liquid-liquid partition and C18 reversed-phase HPLC, four new germacranolide-type sesquiterpenoid lactones named trichospirolides A-D (1-4) were isolated. The structures of the new compounds were elucidated by analysis of their 1D and 2D NMR and MS data. The relative and absolute configurations were assigned based on a comparison of calculated and experimental ECD and UV spectra, specific rotations, internuclear distances, and coupling constants for all possible diastereomers for each compound...
May 2, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28458473/screening-methods-clinical-breast-examination-and-mammography-to-detect-breast-cancer-in-women-aged-40-49-years
#15
Navneet Takkar, Suman Kochhar, Priyanka Garg, A K Pandey, Usha Rani Dalal, Uma Handa
OBJECTIVE: The aim of this study is to detect breast cancer rate, nodal status, tumor size, and associated risk factors using clinical breast examination (CBE) and mammography as screening tools in women aged 40-49 years. MATERIALS AND METHODS: A total of 500 women were screened in a time period of 2 years, between the ages of 40-49 years for breast cancer. Screening tools used were CBE and mammography. Clinical history and risk factors related to breast cancer were recorded...
January 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28455451/long-term-mir-29b-suppression-reduces-aneurysm-formation-in-a-marfan-mouse-model
#16
Homare Okamura, Fabian Emrich, Jeffrey Trojan, Peter Chiu, Alex R Dalal, Mamoru Arakawa, Tetsuya Sato, Kiril Penov, Tiffany Koyano, Albert Pedroza, Andrew J Connolly, Marlene Rabinovitch, Cristina Alvira, Michael P Fischbein
Aortic root aneurysm formation and subsequent dissection and/or rupture remain the leading cause of death in patients with Marfan syndrome. Our laboratory has reported that miR-29b participates in aortic root/ascending aorta extracellular matrix remodeling during early aneurysm formation in Fbn1(C1039G/+) Marfan mice. Herein, we sought to determine whether miR-29b suppression can reduce aneurysm formation long-term. Fbn1(C1039G/+) Marfan mice were treated with retro-orbital LNA-anti-miR-29b inhibitor or scrambled-control-miR before aneurysms develop either (1) a single dose prenatally (pregnant Fbn1(C1039G/+) mice at 14...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28445345/drugs-to-treat-dermatologic-disorders
#17
Kavitha S Dalal, Mary Barna Bridgeman
No abstract text is available yet for this article.
May 2017: Nursing
https://www.readbyqxmd.com/read/28441481/best-practices-of-computer-aided-drug-discovery-lessons-learned-from-the-development-of-a-preclinical-candidate-for-prostate-cancer-with-a-new-mechanism-of-action
#18
Fuqiang Ban, Kush Dalal, Huifang Li, Eric LeBlanc, Paul S Rennie, Artem Cherkasov
Small-molecule drug design is a complex and iterative decision-making process relying on pre-existing knowledge and driven by experimental data. Low-molecular-weight chemicals represent an attractive therapeutic option, as they are readily accessible to organic synthesis and can easily be characterized.1 Their potency as well as pharmacokinetic and pharmacodynamic properties can be systematically and rationally investigated and ultimately optimized via expert science behind medicinal chemistry and methods of computer-aided drug design (CADD)...
May 4, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28439123/in-vivo-molecular-optical-coherence-tomography-of-lymphatic-vessel-endothelial-hyaluronan-receptors
#19
Peng Si, Debasish Sen, Rebecca Dutta, Siavash Yousefi, Roopa Dalal, Yonatan Winetraub, Orly Liba, Adam de la Zerda
Optical Coherence Tomography (OCT) imaging of living subjects offers increased depth of penetration while maintaining high spatial resolution when compared to other optical microscopy techniques. However, since most protein biomarkers do not exhibit inherent contrast detectable by OCT, exogenous contrast agents must be employed for imaging specific cellular biomarkers of interest. While a number of OCT contrast agents have been previously studied, demonstrations of molecular targeting with such agents in live animals have been historically challenging and notably limited in success...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427017/aromatase-inhibitors-and-apoptotic-inducers-design-synthesis-anticancer-activity-and-molecular-modeling-studies-of-novel-phenothiazine-derivatives-carrying-sulfonamide-moiety-as-hybrid-molecules
#20
Mostafa M Ghorab, Mansour S Alsaid, Nermin Samir, Ghada A Abdel-Latif, Aiten M Soliman, Fatma A Ragab, Dalal A Abou El Ella
Hybrid molecules are used as anticancer agents to improve effectiveness and diminish drug resistance. So, the current study aimed to introduce twenty novel phenothiazine sulfonamide hybrids 5-22, 24 and 25 of promising anticancer activity. Compounds 11 and 13 revealed more potent anticancer properties (IC50 8.1 and 8.8 μM) than that of the reference drug (doxorubicin, IC50 = 9.8 μM) against human breast cancer cell line (T47D). To determine the mechanism of their anticancer activity, compounds 5, 6, 7, 11, 13, 14, 16, 17, 19 and 22 that showed promising activity on T47D, were evaluated for their aromatase inhibitory effect...
April 15, 2017: European Journal of Medicinal Chemistry
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