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https://www.readbyqxmd.com/read/28646572/general-fate-model-for-microconstituents-in-an-activated-sludge-system
#1
Bahman Banihashemi
Nine lab-scale continuous flow porous-pot bioreactors operating at various solids retention times and hydraulic retention times were conducted to simulate activated sludge (AS) systems and to evaluate the biodegradation kinetic models for the fate of 17α-ethinylestradiol (EE2), bisphenol-A (BPA), and triclosan (TCS) at the µg/L range. Mathematical models were applied to describe the degradation mechanism of selected microconstituents (MCs) and pseudo second-order model were found to best fit the results when active MCs degraders (XC) were used (r2= 0...
June 16, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28646463/patterns-of-failure-after-radical-prostatectomy-in-prostate-cancer-implications-for-radiation-therapy-planning-after-68-ga-psma-pet-imaging
#2
Kilian Schiller, K Sauter, S Dewes, M Eiber, T Maurer, J Gschwend, S E Combs, G Habl
BACKGROUND: Salvage radiotherapy (SRT) after radical prostatectomy (RPE) and lymphadenectomy (LAE) is the appropriate radiotherapy option for patients with persistent/ recurrent prostate cancer (PC). (68)Ga-PSMA-PET imaging has been shown to accurately detect PC lesions in a primary setting as well as for local recurrence or for lymph node (LN) metastases. OBJECTIVE: In this study we evaluated the patterns of recurrence after RPE in patients with PC, putting a highlight on the differentiation between sites that would have been covered by a standard radiation therapy (RT) field in consensus after the RTOG consensus and others that would have not...
June 23, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28641020/comparison-of-the-buschke-selective-reminding-test-and-the-california-verbal-learning-test-second-edition-in-a-stroke-population
#3
McKenzie E M Campbell, Damian Leitner, Harry B Miller, Maya Libben
There are many tests of learning and memory; however, not all yield analogous results and thus are not interchangeable. This study examined the relationship between the California Verbal Learning Test-Second Edition (CVLT-II) and the Buschke Selective Reminding Test (SRT) in a stroke population. Data from stroke inpatients (N = 102) referred for rehabilitation were collected from medical records. Both tests were administered, as part of a larger neuropsychological assessment. Analyses were conducted on Z-scores from the List Total, Learning, and Long Delay Free Recall (LDFR) subscales of the two tests...
June 22, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28630574/unilateral-rolling-of-the-foot-did-not-affect-non-local-range-of-motion-or-balance
#4
Lena Grabow, James D Young, Jeannette M Byrne, Urs Granacher, David G Behm
Non-local or crossover (contralateral and non-stretched muscles) increases in range-of-motion (ROM) and balance have been reported following rolling of quadriceps, hamstrings and plantar flexors. Since there is limited information regarding plantar sole (foot) rolling effects, the objectives of this study were to determine if unilateral foot rolling would affect ipsilateral and contralateral measures of ROM and balance in young healthy adults. A randomized within-subject design was used to examine non-local effects of unilateral foot rolling on ipsilateral and contralateral limb ankle dorsiflexion ROM and a modified sit-and-reach-test (SRT)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28628878/pretreatment-of-a-primary-and-secondary-sludge-blend-at-different-thermal-hydrolysis-temperatures-impacts-on-anaerobic-digestion-dewatering-and-filtrate-characteristics
#5
Matthew J Higgins, Steven Beightol, Ushma Mandahar, Ryu Suzuki, Steven Xiao, Hung-Wei Lu, Trung Le, Joshua Mah, Bipin Pathak, Haydee DeClippeleir, John T Novak, Ahmed Al-Omari, Sudhir N Murthy
A study was performed to evaluate the effect of thermal hydrolysis pretreatment (THP) temperature on subsequent digestion performance and operation, as well as downstream parameters such as dewatering and cake quality. A blend of primary and secondary solids from the Blue Plains treatment plant in Washington, DC was dewatered to about 16% total solids (TS), and thermally hydrolyzed at five different temperatures 130, 140, 150, 160, 170 °C. The thermally hydrolyzed solids were then fed to five separate, 10 L laboratory digesters using the same feed concentration, 10...
June 9, 2017: Water Research
https://www.readbyqxmd.com/read/28624741/reduced-sludge-growth-at-high-bulk-liquor-dissolved-oxygen-induced-by-increased-secondary-cell-maintenance
#6
Anwar Khursheed, Vinay Kumar Tyagi, Rubia Z Gaur, Meena Kumari Sharma, Abid Ali Khan, A A Kazmi
Sludge reduction by physico-chemical methods results in the buildup of chemicals, which may require further treatment. Owing these reasons various biologically sustainable methods of sludge reduction including the application of high oxygenation have been successfully tested. Experiments on actual sewage in two lab-scale sequencing batch reactors (SBRs) were conducted under normal (1.5-2.5 mgDO/L) and high dissolved oxygen (DO) (HDO: 3-6.5 mgDO/L) regimes. It was observed that microorganism allocated substrate between maintenance and growth in the form of maintenance coefficient...
June 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28617288/fate-of-selected-pharmaceutically-active-compounds-in-the-integrated-fixed-film-activated-sludge-process
#7
K J Murray, W J Parker, L M Bragg, M R Servos
The potential for integrated fixed film activated sludge (IFAS) processes to achieve enhanced transformation of pharmaceuticals relative to conventional activated sludge (CAS) processes was assessed. Previous studies have focused on direct comparisons of parallel reactors with and without fixed film carriers and little information is available on the impacts of how varying operating parameters impact the differences in observed pharmaceutical compound (PC) transformation capabilities between CAS reactors and those equipped with both an activated sludge (AS) and fixed film carriers...
June 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28617287/controlling-the-cod-removal-of-an-a-stage-pilot-study-with-instrumentation-and-automatic-process-control
#8
Mark W Miller, Matt Elliott, Jon DeArmond, Maureen Kinyua, Bernhard Wett, Sudhir Murthy, Charles B Bott
The pursuit of fully autotrophic nitrogen removal via the anaerobic ammonium oxidation (anammox) pathway has led to an increased interest in carbon removal technologies, particularly the A-stage of the adsorption/bio-oxidation (A/B) process. The high-rate operation of the A-stage and lack of automatic process control often results in wide variations of chemical oxygen demand (COD) removal that can ultimately impact nitrogen removal in the downstream B-stage process. This study evaluated the use dissolved oxygen (DO) and mixed liquor suspended solids (MLSS) based automatic control strategies through the use of in situ on-line sensors in the A-stage of an A/B pilot study...
June 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28617284/dynamic-changes-of-bacterial-community-in-activated-sludge-with-pressurized-aeration-in-a-sequencing-batch-reactor
#9
Yong Zhang, Wei-Li Jiang, Yang Qin, Guo-Xiang Wang, Rui-Xiao Xu, Biao Xie
This study aimed to investigate the organic removal efficiency and microbial population dynamics in activated sludge with pressurized aeration. The activated sludge was fed with synthetic wastewater composed of simple carbon source to avoid the effect of complex components on microbial communities. The pressurized acclimation process was conducted in a bench-scale sequencing batch reactor (SBR) under 0.3 MPa gage pressure. Another SBR was running in atmospheric environment as a control reactor, with the same operation parameters except for the pressure...
June 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28616720/quality-of-life-after-whole-brain-radiotherapy-compared-with-radiosurgery-of-the-tumor-bed-results-from-a-randomized-trial
#10
L Kepka, D Tyc-Szczepaniak, K Osowiecka, A Sprawka, B Trąbska-Kluch, B Czeremszynska
BACKGROUND: A recent randomized trial (NCT01535209) demonstrated no difference in neurocognitive function between stereotactic radiotherapy of the tumor bed (SRT-TB) and whole brain radiotherapy (WBRT) in patients with resected single brain metastasis. Patients treated with SRT-TB had lower overall survival compared with the WBRT arm. Here, we compared the health-related quality of life (HRQOL) in patients who received WBRT vs. SRT-TB. METHODS: A self-reported questionnaire was used to assess HRQOL (EORTC QLQ-C30 with the QLQ-BN20 module) before RT, 2 months after RT, and every 3 months thereafter...
June 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28603874/impact-of-rest-duration-on-achilles-tendon-structure-and-function-following-isometric-training
#11
C M Waugh, T Alktebi, A de Sa, A Scott
Intervention programs are often sought to strengthen the Achilles tendon (AT) due to its high injury rate. Long rest periods between loading cycles have been found to increase collagen synthesis by tenocytes, suggesting rest duration may be important for tendon adaptation in vivo, however exercise programs comparing long and short rest duration have not been directly compared. Fourteen adults completed a 12-week progressive training intervention; training sessions consisted of 5 x 10 isometric plantarflexion contractions each of 3-s duration performed at 90% of MVC three times weekly...
June 12, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28590161/nitrogen-and-phosphorus-treatment-of-marine-wastewater-by-a-laboratory-scale-sequencing-batch-reactor-with-eco-friendly-marine-high-efficiency-sediment
#12
Seonghyeon Cho, Jinsoo Kim, Sungchul Kim, Sang-Seob Lee
We screened and identified a NH3-N-removing bacterial strain, Bacillus sp. KGN1 and a PO4(3-)-P removing strain, Vibrio sp. KGP1, from 960 indigenous marine isolates from seawater and marine sediment from Tongyeong, South Korea. We developed eco-friendly high-efficiency marine sludge (eco-HEMS), and inoculated these marine bacterial strains into the marine sediment. A laboratory-scale sequencing batch reactor (SBR) system using the eco-HEMS for marine wastewater from land-based fish farms improved the treatment performance as indicated by 88...
June 7, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28589403/adjuvant-versus-early-salvage-radiation-therapy-following-radical-prostatectomy-for-men-with-localized-prostate-cancer
#13
REVIEW
Robert T Dess, Todd M Morgan, Paul L Nguyen, Rohit Mehra, Howard M Sandler, Felix Y Feng, Daniel E Spratt
Radical prostatectomy (RP) is now the most common definitive treatment for high-risk prostate cancer. Unfortunately, many men will have residual microscopic disease after surgery alone. Despite level 1 evidence supporting the use of adjuvant radiation therapy (ART), <10% of men with adverse pathology (positive margins or T3 disease) receive ART in the USA. Early salvage radiation therapy (eSRT) at the time of biochemical recurrence has been proposed as an alternative strategy despite the lack of published randomized trials to support this approach...
July 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28587629/efficacy-of-the-ubiquitous-spaced-retrieval-based-memory-advancement-and-rehabilitation-training-usmart-program-among-patients-with-mild-cognitive-impairment-a-randomized-controlled-crossover-trial
#14
Ji Won Han, Kyung Lak Son, Hye Jin Byun, Ji Won Ko, Kayoung Kim, Jong Woo Hong, Tae Hyun Kim, Ki Woong Kim
BACKGROUND: Spaced retrieval training (SRT) is a nonpharmacological intervention for mild cognitive impairment (MCI) and dementia that trains the learning and retention of target information by recalling it over increasingly long intervals. We recently developed the Ubiquitous Spaced Retrieval-based Memory Advancement and Rehabilitation Training (USMART) program as a convenient, self-administered tablet-based SRT program. We also demonstrated the utility of USMART for improving memory in individuals with MCI through an open-label uncontrolled trial...
June 6, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28581200/natural-history-of-second-biochemical-failure-following-salvage-radiation-therapy-for-prostate-cancer-a-multi-institution-study
#15
Vasu Tumati, William C Jackson, Ahmed E Abugharib, Ganesh Raj, Claus Roehrborn, Yair Lotan, Kevin Courtney, Aditya Bagrodia, Jeffrey C Gahan, Zachary S Zumsteg, Michael R Folkert, Aaron M Laine, Raquibul Hannan, Daniel E Spratt, Neil B Desai
OBJECTIVES: To describe the natural history of prostate cancer in men who experience a second biochemical recurrence (BCR) after salvage radiotherapy (SRT) following prostatectomy. SUBJECTS/PATIENTS AND METHODS: Following SRT at two institutions from 1986-2013, 286 patients developed second BCR, defined as two rises in PSA of ≥0.2 ng/mL above nadir. Event rates for distant metastasis (DM) or freedom from DM (FFDM), castration-resistant prostate cancer (CRPC), prostate cancer-specific survival (PCSS), and overall survival (OS) were estimated using the Kaplan-Meier method...
June 5, 2017: BJU International
https://www.readbyqxmd.com/read/28573519/patterns-of-care-related-to-post-operative-radiotherapy-for-patients-with-prostate-cancer-among-canadian-radiation-oncologists-and-urologists
#16
Bonnie Bristow, Mohammed Aldehaim, Katija Bonin, Candice Chee Ka Lam, Stephanie J Wan, Xingshan Cao, Ewa Szumacher
The American Society for Radiation Oncology (ASTRO) and American Urological Association (AUA) developed post-prostatectomy radiotherapy (RT) guidelines to aid patient counseling on adjuvant (ART) and salvage radiotherapy (SRT). Our study compared how aware and compliant Canadian radiation oncologists and urologists are to these guidelines. Our online survey was distributed through the Canadian Association of Radiation Oncology (CARO) and Canadian Urology Association (CUA) to radiation oncologists and urologists that treat prostate cancer...
June 2, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28560683/the-impact-of-a-multifaceted-intervention-including-sepsis-electronic-alert-system-and-sepsis-response-team-on-the-outcomes-of-patients-with-sepsis-and-septic-shock
#17
Yaseen M Arabi, Hasan M Al-Dorzi, Ahmed Alamry, Ra'ed Hijazi, Sami Alsolamy, Majid Al Salamah, Hani M Tamim, Saad Al-Qahtani, Abdulaziz Al-Dawood, Abdellatif M Marini, Fatimah H Al Ehnidi, Shihab Mundekkadan, Amal Matroud, Mohamed S Mohamed, Saadi Taher
BACKGROUND: Compliance with the clinical practice guidelines of sepsis management has been low. The objective of our study was to describe the results of implementing a multifaceted intervention including an electronic alert (e-alert) with a sepsis response team (SRT) on the outcome of patients with sepsis and septic shock presenting to the emergency department. METHODS: This was a pre-post two-phased implementation study that consisted of a pre-intervention phase (January 01, 2011-September 24, 2012), intervention phase I (multifaceted intervention including e-alert, from September 25, 2012-March 03, 2013) and intervention phase II when SRT was added (March 04, 2013-October 30, 2013) in a 900-bed tertiary-care academic hospital...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28557278/auditory-access-language-access-and-implicit-sequence-learning-in-deaf-children
#18
Matthew L Hall, Inge-Marie Eigsti, Heather Bortfeld, Diane Lillo-Martin
Developmental psychology plays a central role in shaping evidence-based best practices for prelingually deaf children. The Auditory Scaffolding Hypothesis (Conway et al., 2009) asserts that a lack of auditory stimulation in deaf children leads to impoverished implicit sequence learning abilities, measured via an artificial grammar learning (AGL) task. However, prior research is confounded by a lack of both auditory and language input. The current study examines implicit learning in deaf children who were (Deaf native signers) or were not (oral cochlear implant users) exposed to language from birth, and in hearing children, using both AGL and Serial Reaction Time (SRT) tasks...
May 30, 2017: Developmental Science
https://www.readbyqxmd.com/read/28554130/betulinic-acid-derivative-b10-inhibits-glioma-cell-proliferation-through-suppression-of-sirt1-acetylation-of-foxo3a-and-upregulation-of-bim-puma
#19
Longwei Huo, Xiaobin Bai, Yafei Wang, Maode Wang
Glioma is the most common primary malignant tumor of the central nervous system. B10 is a new glycosylated derivative of betulinic acid with enhanced cytotoxic activity. The present study was designed to explore the molecular mechanism underlying the anticancer effect of B10 in glioma cells. 25-50μM B10 resulted in a significant decrease of cell viability and BrdU incorporation. 25-50mg/kg B10 significantly reduced the implanted tumor weight and volume in nude mice. Activation of apoptosis was found in glioma cells when the cells were exposed to B10, as evidenced by increased number of TUNEL-stained cells, increased caspase 3 and 9 activities, and Bax and cleaved PARP expression...
May 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28550811/influence-of-solids-residence-time-and-carbon-storage-on-nitrogen-and-phosphorus-recovery-by-microalgae-across-diel-cycles
#20
D A Gardner-Dale, I M Bradley, J S Guest
Microalgal treatment systems could advance nutrient recovery from wastewater by achieving effluent nitrogen (N) and phosphorus (P) levels below the current limit of technology, but their successful implementation requires an understanding of how design decisions influence nutrient uptake over daily (i.e., diel) cycles. This work demonstrates the ability to influence microalgal N:P recovery ratio via solids residence time (SRT) while maintaining complete nutrient removal across day/night cycles through carbon storage and mobilization...
May 18, 2017: Water Research
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