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Paula Gubrud, Angela G Spencer, Linda Wagner
AIM: This article describes progress the Oregon Consortium for Nursing Education has made toward addressing the academic progression goals provided by the 2011 Institute of Medicine's Future of Nursing: Leading Change, Advancing Health report. BACKGROUND: The history of the consortium's development is described, emphasizing the creation of an efficient and sustainable organization infrastructure that supports a shared curriculum provided through a community college/university partnership...
September 2017: Nursing Education Perspectives
Jiahuan Tang, Shanshan Chen, Lingyan Huang, Xiaojuan Zhong, Guiqin Yang, Shungui Zhou
In this study, an operational method of switching acetate media to ammonium media after the formation of stable acetate-oxidizing biofilms (ACAM mode), was developed. The results showed that the start-up time was shortened to 48days in the ACAM mode compared to the AM (always ammonium media) mode (>120days), and an ammonia removal rate of 82±3% was achieved successfully and sustainably in the ACAM mode during the following long-term operation of more than 2months. Moreover, the ACAM mode was more efficient in enriching both electroammox bacteria and electricigens with Ignavibacteriaceae, Geobacteraceae and Nitrosomonadaceae as dominant families, which could favour the formation of high-performance electroammox biofilms...
August 9, 2017: Bioresource Technology
Qinghong Sun, Di Wu, Zhechao Zhang, Yue Zhao, Xinyu Xie, Junqiu Wu, Qian Lu, Zimin Wei
In order to put forward a method to promote composting start-up at low ambient temperature, the cold-adapted microbial agent (CAMA) was inoculated in chicken manure (CM), and compared the enzymes activities, including urease, proteases, β-glucosidase and invertase, with no CAMA group (CK). In this study, the temperature of CM reached 50°C in 53h, but it in CK was only around 30°C during the composting process. Moreover, the enzymes exhibited higher activity in CM than CK, indicating the effectiveness of CAMA...
August 5, 2017: Bioresource Technology
Sarah L Krein, Molly Harrod, Sue Collier, Kristina K Davis, Andrew J Rolle, Karen E Fowler, Lona Mody
BACKGROUND: Reducing health care-associated infections (HAIs), such as catheter-associated urinary tract infection (CAUTI), is a critical performance improvement target in nursing homes. The Agency for Healthcare Research and Quality Safety Program for Long-term Care: Health Care-Associated Infections/Catheter-Associated Urinary Tract Infection, a national performance improvement program, was designed to promote implementation of a CAUTI prevention program through state-based or regional collaboratives in more than 500 nursing homes across the United States...
August 11, 2017: American Journal of Infection Control
A Viancelli, M C Pra, L A Scussiato, M Cantão, A M G Ibelli, A Kunz
Anaerobic ammonium oxidation (anammox) bacteria have peculiar characteristics that make them difficult to cultivate. The conservation of these microorganisms in culture collections or laboratories requires successful preservation and reactivation techniques. Furthermore, studies have shown that successful reactivation may be preservative dependent. Considering this, the present study aimed to evaluate the preservation and reactivation of anammox consortia enriched from swine manure treatment lagoons, by using different preservative agents at different temperatures: KNO3 (at 4 °C), glycerol (-20 °C, -80 °C), and skimmed cow milk (-20 °C, -80 °C, -200 °C)...
July 12, 2017: Chemosphere
Chanchal Mondal, Siddharth G Chatterjee
The surface of a turbulent liquid is visualized as consisting of a large number of chaotic eddies or liquid elements. Assuming that surface elements of a particular age have renewal frequencies that are integral multiples of a fundamental frequency quantum, and further assuming that the renewal frequency distribution is of the Boltzmann type, performing a population balance for these elements leads to the Danckwerts surface age distribution. The basic quantum is what has been traditionally called the rate of surface renewal...
July 2017: Royal Society Open Science
Yu Wang, Cui-Na Bu, Qi Kang, Hafiz Adeel Ahmad, Jian Zhang, Baoyu Gao, Shou-Qing Ni
Reducing activity of commensal bacteria in inocula may enhance anammox bacteria proliferation and realization of anammox process. Fast start-up of anammox process in an UASB reactor was successfully achieved by using autoclaved sludge (anaerobic granular sludge pretreated by autoclaving) and 0.3% active anammox sludge as inoculum. Continuous experiments indicated that R2 (autoclaved sludge addition) could shorten the start-up period from 72days to 63days. The first 50days anammox population specific growth rates (μ) of R1 (the control) and R2 were determined to be 0...
July 29, 2017: Bioresource Technology
James M Elliott, Mark J Hancock, Rebecca J Crawford, Andrew C Smith, David M Walton
BACKGROUND CONTEXT: Radiological observations of soft-tissue changes that may relate to clinical symptoms in patients with traumatic and non-traumatic spinal disorders are highly controversial. Studies are often of poor quality and findings inconsistent. A plethora of evidence suggests some pathoanatomical findings from traditional imaging applications are common in asymptomatic participants across the life span, which further questions the diagnostic, prognostic, and theranostic value of traditional imaging...
July 31, 2017: Spine Journal: Official Journal of the North American Spine Society
Jianbo Guo, Chao Zhang, Jing Lian, Caicai Lu, Zhi Chen, Yuanyuan Song, Yankai Guo, Yajuan Xing
Perchlorate (ClO4(-)) contamination is more and more concerned due to the hazards to humans. Based on the common primary bacterium (Helicobacteraceae) of both thiosulfate-acclimated sludge (T-Acc) and sulfur-acclimated sludge (S-Acc) for perchlorate reduction, the rapid start-up of sulfur-based perchlorate reduction reactor (SBPRR) was hypothesized by inoculating T-Acc. Furthermore, the performance of SBPRR, the SO4(2-) yield, kinetics of ClO4(-) reduction and the extracellular polymeric substances (EPS) of biofilm confirmed the hypothesis...
July 11, 2017: Bioresource Technology
J Geraghty, M Shawihdi, E Devonport, S Sarkar, M G Pearson, K Bodger
AIM: We examined whether roll out of the bowel cancer screening programme (BCSP) across England was associated with a reduced risk of emergency hospital admission for people presenting with colorectal cancer (CRC) during this period. METHOD: This is a retrospective cohort study of 27,763 incident cases of CRC over a 1-year period during the roll-out of screening across parts of England. The primary outcome was the number of emergency (unplanned) hospital admissions during the diagnostic pathway...
July 24, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
Shahrukh K Hashmi, Alok Srivastava, Walid Rasheed, Salman Adil, Tong Wu, Madan Jagasia, Amr Nassar, William Y K Hwang, Amir Ali Hamidieh, Hildegard T Greinix, Marcelo C Pasquini, Jane F Apperley, Mahmoud Aljurf
The hematopoietic cell transplant (HCT) activity has grown significantly over the past two decades in both developing and developed countries. Many challenges arise in establishing new HCT programs in developing countries, due to scarcity of resources and manpower in expertise in HCT. While cost issues can potentially hinder establishment of new HCT programs in certain regions, the focus on quality and value should be included in the general vision of leadership before establishing an HCT program. The main challenge in most developing countries is the lack of trained/qualified personnel, enormous start-up costs for a tertiary care center, and quality maintenance...
July 14, 2017: Hematology/oncology and Stem Cell Therapy
Evan A Ashkin, Warren P Newton, Brian Toomey, Ronald Lingley, Cristen P Page
BACKGROUND AND OBJECTIVES: Expanding residency training programs to address shortages in the primary care workforce is challenged by the present graduate medical education (GME) environment. The Medicare funding cap on new GME positions and reductions in the Health Resources and Services Administration (HRSA) Teaching Health Center (THC) GME program require innovative solutions to support primary care residency expansion. Sparse literature exists to assist in predicting the actual cost of incremental expansion of a family medicine residency program without federal or state GME support...
July 2017: Family Medicine
Malcolm Clarke, Joanna Fursse, Nancy Connolly, Urvashi Sharma, Russell Jones
OBJECTIVE: To evaluate the cost-effectiveness of a pilot telehealth program applied to a wide population of patients with chronic obstructive pulmonary disease (COPD). DESIGN: Vital signs data were transmitted from the home of the patient on a daily basis using a patient monitoring system for review by community nurse to assist decisions on management. SETTING: Community services for patients diagnosed with COPD. PARTICIPANTS: Two Primary Care Trusts (PCTs) enrolled 321 patients diagnosed with COPD into the telehealth program...
July 18, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
Nicole G Campos, Jose Jeronimo, Vivien Tsu, Philip E Castle, Mercy Mvundura, Jane J Kim
BACKGROUND: World Health guidelines support HPV testing alone (followed by treatment with cryotherapy) or in conjunction with visual inspection with acetic acid (VIA) triage testing. Our objective was to determine the cost-effectiveness of VIA triage for HPV-positive women in low-resource settings. METHODS: We calibrated mathematical simulation models of HPV infection and cervical cancer to epidemiologic data from India, Nicaragua, and Uganda. Using cost and test performance data from the START-UP demonstration projects, we assumed screening took place either once or three times in a lifetime between ages 30 and 40 years...
July 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
Jianhua Zhang, Qiong Zhang, Xiyao Li, Yuanyuan Miao, Yawen Sun, Miao Zhang, Yongzhen Peng
Obtaining desirable partial nitritation (PN) is crucial for successful application of the combined PN and anammox process. In this study, the partial nitritation and simultaneously phosphorus removal (PNSPR)(1) granular sludge reactor treating low-strength domestic sewage was rapidly started up in 67days through seeding denitrifying phosphorus removal (DPR)(2) sludge. The nitrite/ammonium ratio in effluent was approximately 1 and the nitrite accumulation rate (NAR) was more than 95%, about 93% of orthophosphate was removed...
June 26, 2017: Bioresource Technology
Kyungjin Cho, Minkyu Choi, Dawoon Jeong, Seockheon Lee, Hyokwan Bae
The process performance and microbial niche of anaerobic ammonia oxidation (ANAMMOX) bacteria were compared in two identical bioreactors inoculated with different inoculum sources (i.e., pre-cultured ANAMMOX bacteria: PAB and activated sludge: AS) entrapped in poly(vinyl alcohol)/sodium alginate (PVA/SA) gel beads for a long-term period (i.e., 1.5 years). The start-up period with AS was longer than that with PAB; however, both bioreactors were successfully operated over the long-term with stable ANAMMOX activity...
October 2017: Chemosphere
Enchao Li, Rongchang Wang, Xuewen Jin, Shuguang Lu, Zhaofu Qiu, Xiang Zhang
Global water shortages have resulted in increasing interest in water reuse and recycling. Therefore, in the present study, a biological denitrifying process using a sequencing batch reactor (SBR) was employed to treat reverse osmosis (RO) concentrate with high conductivity produced from a coking wastewater plant. From the results, the average removal efficiencies for chemical oxygen demand, total nitrogen, and nitrate were 79.5%, 90.5%, and 93.1%, respectively. Different microbial communities were identified after sequencing the V1-V3 region of the 16S rRNA gene using the MiSeq platform, and the major bacterial phyla in the SBR system were Proteobacteria and Bacteroidetes...
July 6, 2017: Environmental Technology
Nianjia Mao, Hongqiang Ren, Jinju Geng, Lili Ding, Ke Xu
Anaerobic ammonium oxidation (Anammox), a promising biological nitrogen removal process, has been verified as an efficient, sustainable and cost-effective alternative to conventional nitrification and denitrification processes. To date, more than 110 full-scale anammox plants have been installed and are in operation, treating industrial NH4(+)-rich wastewater worldwide, and anammox-based technologies are flourishing. This review the current state of the art for engineering applications of the anammox process, including various anammox-based technologies, reactor selection and attempts to apply it at different wastewater plants...
August 2017: World Journal of Microbiology & Biotechnology
Juan-Pablo Mas, Brian Hsueh
Novel and transformative medical technologies of all forms have the potential to make a significant positive impact on the lives of patients and on the health care system, and one common pathway for guiding such innovations from concept through commercialization is via the formation of a company. For entrepreneurs looking to build a medical technology company, several common challenges await, including questions around how and where to raise funding. Here, we review key considerations for the formation of medical technology companies as viewed through the lens of an investor...
June 2017: Techniques in Vascular and Interventional Radiology
Dongqing Zhang, Yan Zhou, Thomas Vistisen Bugge, Bening Mayanti, Adrian Yang, Leong Soon Poh, Xin Gao, Maszenan Bin Abdul Majid, Wun Jern Ng
The formation, composition and characteristics of soluble microbial products (SMPs) were investigated in a novel system which coupled a sequencing batch reactor with a cake filtration system. Both suspended solids (SS) and turbidity were significantly removed, resulting in effluent SS of 0.12 mg L(-1) and turbidity of 0.72 NTU after cake filtration. The average concentrations of proteins and carbohydrates decreased respectively from 4.0 ± 0.4 and 7.1 ± 0.6 mg/L in the sequencing batch reactor (SBR) mixed liquor, to 0...
October 2017: Chemosphere
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