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https://www.readbyqxmd.com/read/28644830/optimal-chemotactic-responses-in-stochastic-environments
#1
Martin Godány, Bhavin S Khatri, Richard A Goldstein
Although the "adaptive" strategy used by Escherichia coli has dominated our understanding of bacterial chemotaxis, the environmental conditions under which this strategy emerged is still poorly understood. In this work, we study the performance of various chemotactic strategies under a range of stochastic time- and space-varying attractant distributions in silico. We describe a novel "speculator" response in which the bacterium compare the current attractant concentration to the long-term average; if it is higher then they tumble persistently, while if it is lower than the average, bacteria swim away in search of more favorable conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28642060/microsurgically-assisted-inguinal-hernia-repair-and-simultaneous-male-fertility-procedures-rationale-technique-and-outcomes
#2
Michael L Schulster, Matthew R Cohn, Bobby B Najari, Marc Goldstein
PURPOSE: Inguinal herniorrhaphy is the most common general surgical procedure. It is associated with frequent complications such as recurrence (1.9% with mesh), post-operative hematoma (4.5%), reduced sensation (0 - 42.8%), chronic post-operative pain (5.1%), vasal injury (0.1 - 0.53%) and infection (3 - 6%)(1-5). Drawing on our experience utilizing the operating microscope for varicocelectomy, vasectomy reversal and repair of iatrogenic vasal obstruction from hernia repair, we employed it for inguinal hernia repair...
June 19, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28640156/the-impact-of-fiera-a-women-s-personal-care-device-on-genital-engorgement-as-measured-by-thermography-a-proof-of-principle-study
#3
Irwin Goldstein, Sue Goldstein, Leah Millheiser
OBJECTIVE: To determine the degree of vasoengorgement of the external genitalia caused by Fiera, a personal care device developed specifically to increase sexual arousal and interest. Time to onset of self-reported genital sexual arousal and development of responsive sexual desire were also measured. METHODS: This nonblinded, prospective cohort, single-site study was conducted in women without sexual dysfunction between the ages of 18 and 70. Each participant underwent a single-visit procedure that established a baseline temperature of the external genitalia, followed by 15 minutes of Fiera use...
June 19, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28638857/development-of-the-fda-tobacco-credibility-scale-fda-tcs
#4
Allison M Schmidt, Leah M Ranney, Seth M Noar, Adam O Goldstein
OBJECTIVES: Messages from organizations with high, compared to low, credibility may be more persuasive. Whereas the tobacco industry has long recognized the importance of credibility in promoting its messages and public image, the source credibility of key tobacco control organizations has gone largely unmeasured. To assess credibility of a key tobacco regulator, we developed a scale of the US Food and Drug Administration (FDA) tobacco-related credibility. METHODS: We developed and tested 30 items reflective of the dimensions of source credibility (trust, expertise, and public interest) and FDA's tobacco regulatory roles in a sample of 1353 US adults and assessed reliability and validity...
January 2017: Tobacco Regulatory Science
https://www.readbyqxmd.com/read/28637054/modeling-alphabet-skills-as-instructive-feedback-within-a-phonological-awareness-intervention
#5
Arnold Olszewski, Xigrid Soto, Howard Goldstein
Purpose: This study evaluated the efficacy of an instructive feedback strategy for modeling letter names and sounds during presentation of positive feedback within a small-group phonological awareness intervention for preschoolers. Method: Two experiments were conducted using multiple-baseline designs across children and behaviors. Letter name and sound identification and performance on a phonological awareness fluency measure served as the primary outcome variables...
June 22, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28636338/contributions-of-local-farming-to-urban-sustainability-in-the-northeast-united-states
#6
Benjamin P Goldstein, Michael Z Hauschild, John E Fernández, Morten Birkved
Food consumption is an important contributor to a city's environmental impacts (carbon emissions, land occupation, water use, etc.) Urban farming (UF) has been advocated as a means to increase urban sustainability by reducing food-related transport and tapping into local resources. Taking Boston as an illustrative Northeast U.S. city, we developed a novel method to estimate sub-urban, food-borne carbon and land footprints using multiregion-input-output modeling and nutritional surveys. Computer simulations utilizing primary data explored UF's ability to reduce these footprints using select farming technologies, building on previous city-scale UF assessments which have hitherto been dependent on proxy data for UF...
June 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28635638/antibiotic-concentrations-decrease-during-wastewater-treatment-but-persist-at-low-levels-in-reclaimed-water
#7
Prachi Kulkarni, Nathan D Olson, Greg A Raspanti, Rachel E Rosenberg Goldstein, Shawn G Gibbs, Amir Sapkota, Amy R Sapkota
Reclaimed water has emerged as a potential irrigation solution to freshwater shortages. However, limited data exist on the persistence of antibiotics in reclaimed water used for irrigation. Therefore, we examined the fate of nine commonly-used antibiotics (ampicillin, azithromycin, ciprofloxacin, linezolid, oxacillin, oxolinic acid, penicillin G, pipemidic acid, and tetracycline) in differentially treated wastewater and reclaimed water from two U.S. regions. We collected 72 samples from two Mid-Atlantic and two Midwest treatment plants, as well as one Mid-Atlantic spray irrigation site...
June 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28635207/integrating-the-care-of-the-complex-copd-patient
#8
Claudio F Donner, Laura Carrozzi, Sara Maio, Sandra Baldacci, Francesco Pistelli, Giovanni Viegi, Andrea Purro, Roberto Torchio, Enrico Clini, Sandro Amaducci, Richard L ZuWallack, Roger Goldstein, Michael Morgan, Jean Bourbeau, Guido Vagheggini, Emiel F M Wouters
Proceedings of the European Seminars in Respiratory Medicine course, Long-Term Integrated Care of COPD Patients held in Stresa, Italy, on 16-17 June, 2016.
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28634092/alarmingly-high-rate-of-implant-fractures-in-one-modular-femoral-stem-design-a-comparison-of-two-implants
#9
Ritesh R Shah, Jeffrey M Goldstein, Nancy E Cipparrone, Alexander C Gordon, Matthew L Jimenez, Wayne M Goldstein
BACKGROUND: Reports of implant fracture at the modular junction have been seen in modular neck designs, stem-sleeve modular femoral stems, and diaphyseal engaging bi-body modular stems. To date, however, there has never been a direct comparison between 2 different implant designs from the same modular family. The purpose of this study is to compare the rate of implant failure of 2 such stem-sleeve modular femoral stem designs, the S-ROM and Emperion, to further identify factors which increase the risk of this mode of failure...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28633378/the-cost-of-avoiding-freezing-in-stems-trade-off-between-xylem-resistance-to-cavitation-and-supercooling-capacity-in-woody-plants
#10
Nadia S Arias, Fabián G Scholz, Guillermo Goldstein, Sandra J Bucci
Stems and leaves of Olea europaea L. (olive) avoid freezing damage by substantial supercooling during the winter season. Physiological changes during acclimation to low temperatures were studied in five olive cultivars. Water relations and hydraulic traits, ice nucleation temperature (INT) and temperatures resulting in 50% damage (LT50) were determined. All cultivars showed a gradual decrease in INT and LT50 from the dry and warm summer to the wet and cold winter in Patagonia, Argentina. During acclimation to low temperatures there was an increase in leaf cell wall rigidity and stomatal conductance (gs), as well as a decrease in leaf apoplastic water content, leaf water potential (Ψ), sap flow and stem hydraulic conductivity (ks)...
June 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28630747/global-patterns-in-coronavirus-diversity
#11
Simon J Anthony, Christine K Johnson, Denise J Greig, Sarah Kramer, Xiaoyu Che, Heather Wells, Allison L Hicks, Damien O Joly, Nathan D Wolfe, Peter Daszak, William Karesh, W I Lipkin, Stephen S Morse, Jonna A K Mazet, Tracey Goldstein
Since the emergence of Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) and Middle East Respiratory Syndrom Coronavirus (MERS-CoV) it has become increasingly clear that bats are important reservoirs of CoVs. Despite this, only 6% of all CoV sequences in GenBank are from bats. The remaining 94% largely consist of known pathogens of public health or agricultural significance, indicating that current research effort is heavily biased towards describing known diseases rather than the 'pre-emergent' diversity in bats...
January 2017: Virus Evolution
https://www.readbyqxmd.com/read/28630318/reducing-secondary-organic-aerosol-formation-from-gasoline-vehicle-exhaust
#12
Yunliang Zhao, Rawad Saleh, Georges Saliba, Albert A Presto, Timothy D Gordon, Greg T Drozd, Allen H Goldstein, Neil M Donahue, Allen L Robinson
On-road gasoline vehicles are a major source of secondary organic aerosol (SOA) in urban areas. We investigated SOA formation by oxidizing dilute, ambient-level exhaust concentrations from a fleet of on-road gasoline vehicles in a smog chamber. We measured less SOA formation from newer vehicles meeting more stringent emissions standards. This suggests that the natural replacement of older vehicles with newer ones that meet more stringent emissions standards should reduce SOA levels in urban environments. However, SOA production depends on both precursor concentrations (emissions) and atmospheric chemistry (SOA yields)...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28628707/intensive-blood-pressure-reduction-and-spot-sign-in-intracerebral-hemorrhage-a-secondary-analysis-of-a-randomized-clinical-trial
#13
Andrea Morotti, H Bart Brouwers, Javier M Romero, Michael J Jessel, Anastasia Vashkevich, Kristin Schwab, Mohammad Rauf Afzal, Christy Cassarly, Steven M Greenberg, Renee Hebert Martin, Adnan I Qureshi, Jonathan Rosand, Joshua N Goldstein
Importance: The computed tomographic angiography (CTA) spot sign is associated with intracerebral hemorrhage (ICH) expansion and may mark those patients most likely to benefit from intensive blood pressure (BP) reduction. Objective: To investigate whether the spot sign is associated with ICH expansion across a wide range of centers and whether intensive BP reduction decreases hematoma expansion and improves outcome in patients with ICH and a spot sign. Design, Setting, and Participants: SCORE-IT (Spot Sign Score in Restricting ICH Growth) is a preplanned prospective observational study nested in the Antihypertensive Treatment of Acute Cerebral Hemorrhage II (ATACH-II) randomized clinical trial...
June 19, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28627230/relationship-between-community-hospital-versus-pre-hospital-location-of-randomisation-and-clinical-outcomes-in-st-elevation-myocardial-infarction-patients-insights-from-the-stream-study
#14
Robert C Welsh, Patrick Goldstein, Peter Sinnaeve, Miodrag C Ostojic, Yinggan Zheng, Thierry Danays, Cynthia M Westerhout, Frans Van de Werf, Paul W Armstrong
AIMS: The STREAM study randomly assigned ST-elevation myocardial infarction (STEMI) patients to receive a pharmacoinvasive versus primary percutaneous coronary intervention reperfusion strategy. We assessed whether there was an association between outcomes based on randomisation at a community hospital versus a prehospital location. METHODS/RESULTS: Community hospital patients (358/1866 (19.2%)) were compared to prehospital patients and their outcomes categorised into pharmacoinvasive according to their treatment assignment...
June 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28626921/the-arts-as-a-venue-for-developmental-science-realizing-a-latent-opportunity
#15
Thalia R Goldstein, Matthew D Lerner, Ellen Winner
Children in all cultures readily engage in artistic activities, yet the arts (dance, drama, drawing, and music) have traditionally been marginal topics in the discipline of developmental science. We argue that developmental psychologists cannot afford to ignore such naturalistic activities that involve so many basic phenomena-attention, engagement, motivation, emotion regulation, understanding of others, and so on. Despite historical issues with research methodologies and overdrawn conclusions, a current wave of methodologically rigorous studies shows the depth of arts learning, as well as how arts engagement can be harnessed for transfer to other skills...
June 19, 2017: Child Development
https://www.readbyqxmd.com/read/28624698/brief-mindfulness-training-de-couples-the-anxiogenic-effects-of-distress-intolerance-on-reactivity-to-and-recovery-from-stress-among-deprived-smokers
#16
Rotem Paz, Ariel Zvielli, Pavel Goldstein, Amit Bernstein
OBJECTIVE: We tested whether mindfulness de-couples the expected anxiogenic effects of distress intolerance on psychological and physiological reactivity to and recovery from an anxiogenic stressor among participants experimentally sensitized to experience distress. METHOD: N = 104 daily smokers underwent 18-hours of biochemically-verified smoking deprivation. Participants were then randomized to a 7-min analogue mindfulness intervention (present moment attention and awareness training; PMAA) or a cope-as-usual control condition; and subsequently exposed to a 2...
June 2, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28624383/noninfective-transcatheter-pulmonary-valve-thrombosis-a-rare-cause-of-post-implantation-pulmonary-valve%C3%A2-obstruction
#17
Pieter Alexander Verhoeven, Christopher P Learn, Nicole M Brown, Bryan H Goldstein
No abstract text is available yet for this article.
June 7, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28623430/a-phase-i-ii-study-of-suberoylanilide-hydroxamic-acid-saha-in-combination-with-trastuzumab-herceptin-in-patients-with-advanced-metastatic-and-or-local-chest-wall-recurrent-her2-amplified-breast-cancer-a-trial-of-the-ecog-acrin-cancer-research-group-e1104
#18
Lori J Goldstein, Fengmin Zhao, Molin Wang, Ramona F Swaby, Joseph A Sparano, Neal J Meropol, Kapil N Bhalla, Christine M Pellegrino, R Katherine Alpaugh, Carla I Falkson, Paula Klein, George W Sledge
PURPOSE: Suberoylanilide hydroxamic acid (SAHA; vorinostat), a small molecule inhibitor of histone deacetylase, attenuates signaling pathways known to confer trastuzumab resistance. A combination of SAHA and trastuzumab may be a promising strategy to improve the efficacy of trastuzumab against breast cancer. In this Phase I/II study, we evaluated the toxicity and response rate after treatment with SAHA and trastuzumab in patients with HER2-overexpressing metastatic breast cancer with trastuzumab-resistant progressive disease...
June 16, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28622877/author-reply
#19
Duncan R Morhardt, Amy Luckenbaugh, Cathy Goldstein, Gary J Faerber
No abstract text is available yet for this article.
June 13, 2017: Urology
https://www.readbyqxmd.com/read/28620350/considerations-for-experimental-animal-models-of-concussion-traumatic-brain-injury-and-chronic-traumatic-encephalopathy-these-matters-matter
#20
REVIEW
Mark W Wojnarowicz, Andrew M Fisher, Olga Minaeva, Lee E Goldstein
Animal models of concussion, traumatic brain injury (TBI), and chronic traumatic encephalopathy (CTE) are widely available and routinely deployed in laboratories around the world. Effective animal modeling requires careful consideration of four basic principles. First, animal model use must be guided by clarity of definitions regarding the human disease or condition being modeled. Concussion, TBI, and CTE represent distinct clinical entities that require clear differentiation: concussion is a neurological syndrome, TBI is a neurological event, and CTE is a neurological disease...
2017: Frontiers in Neurology
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