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https://www.readbyqxmd.com/read/28938208/effects-of-process-operating-conditions-on-the-autotrophic-denitrification-of-nitrate-contaminated-groundwater-using-bioelectrochemical-systems
#1
D Cecconet, M Devecseri, A Callegari, A G Capodaglio
Nitrates have been detected in groundwater worldwide, and their presence can lead to serious groundwater use limitations, especially because of potential health problems. Amongst different options for their removal, bioelectrochemical systems (BESs) have achieved promising results; in particular, attention has raised on BES-driven autotrophic denitrification processes. In this work, the performance of a microbial electrolysis cell (MEC) for groundwater autotrophic denitrification, is assessed in different conditions of nitrate load, hydraulic retention time (HRT) and process configuration...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28934095/lifelong-residential-exposure-to-green-space-and-attention-a-population-based-prospective-study
#2
Payam Dadvand, Christina Tischer, Marisa Estarlich, Sabrina Llop, Albert Dalmau-Bueno, Monica López-Vicente, Antònia Valentín, Carmen de Keijzer, Ana Fernández-Somoano, Nerea Lertxundi, Cristina Rodriguez-Dehli, Mireia Gascon, Monica Guxens, Daniela Zugna, Xavier Basagaña, Mark J Nieuwenhuijsen, Jesus Ibarluzea, Ferran Ballester, Jordi Sunyer
BACKGROUND: Natural environments, including green spaces, may have beneficial impacts on brain development. However, longitudinal evidence of an association between long-term exposure to green spaces and cognitive development (including attention) in children is limited. OBJECTIVES: We evaluated the association between lifelong residential exposure to green space and attention during preschool and early primary school years. METHODS: This longitudinal study was based on data from two well-established population-based birth cohorts in Spain...
September 18, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28933961/17%C3%AE-estradiol-induces-proliferation-of-endometrial-nk-cells-cd56-in-postmenopausal-women
#3
T Sho, T Hachisuga, C Koi, T Kurita, S Kagami, T Kawagoe, Y Matsuura, K Yoshimura, M Hisaoka
OBJECTIVE: The aim of this report was to evaluate the impact of hormone replacement therapy (HRT) on lymphocytic infiltration of the endometrium in postmenopausal women. METHOD: This study included 58 Japanese patients who had undergone hysterectomy at the University Hospital of Occupational and Environmental Health, Japan. Before surgery, nine patients had received 17β-estradiol (E2), 0.72 mg transdermally for 2-8 weeks (E2 group); 16 patients had received an Estra-1,3,5(10)-triene-3,16α, 17β-triol (E3) vaginal tablet 0...
September 21, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28931393/successful-pregnancy-and-live-birth-from-a-hypogonadotropic-hypogonadism-woman-with-low-serum-estradiol-concentrations-despite-numerous-oocyte-maturations-a-case-report
#4
Kaori Matsumoto, Kazuhiko Imakawa, Chuyu Hayashi
BACKGROUND: The increase in serum estradiol (E2) concentrations during the follicular phase becomes the index of oocyte maturation in vivo. When ovarian stimulation is performed to hypogonadotropic hypogonadism (HH) patients with only follicle stimulating hormone (FSH), proper increase in serum E2 concentrations is not observed. Even if oocytes are obtained, which usually have low fertilization rate. In this report, we would like to present an unique case, in which under low E2 concentrations and without luteinizing hormone (LH) administration, numerous mature oocytes could be obtained and a healthy baby delivered...
September 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28931356/menopause-a-complex-and-controversial-journey
#5
Salam Chalouhi
Menopause is defined as permanent cessation of menstrual periods, determined retrospectively after a woman has experienced 12 months of amenorrhea without any other obvious cause. Over the years, the discourse surrounding the Climacteric was mainly elicited as a "disease of the castrates", as opposed to the feminist views. There has been a large feminist contribution to both the debate of contraception and menopause in the last few years. Over the years, menopause has been treated in a uniform fashion, as a disease, excluding the different circumstances and lived experiences that patients go through during this sensitive period...
September 2017: Post Reproductive Health
https://www.readbyqxmd.com/read/28931296/-translaminar-gradient-and-glaucoma
#6
J Čmelo
OBJECTIVE: The cribriform plate is a threshold of the intraocular pressure (VOT) and of the intracranial pressure (IKT). The difference between the VOT and IKT is referred to as translaminar gradient (TLG). The goal was to evaluate the Glaucoma progression (visual field, fundus examination, HRT) with / without topical anti-glaucomatous therapy) in relation to the TLG. PATIENTS AND METHODS: the significance of TLG has been studied in two groups. I. Group: 57 patients diagnosed and treatment of Primary Open-Angle Glaucoma (PGOU), 10 patients with Ocular hypertension (OH), 7 patients with Normal-Tension Glaucoma (NTG), and 75 healthy without glaucoma...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28926913/enhanced-methanogenic-degradation-of-cellulose-containing-sewage-via-fungi-methanogens-syntrophic-association-in-an-anaerobic-membrane-bioreactor
#7
Rong Chen, Yulun Nie, Nobuyuki Tanaka, Qigui Niu, Qian Li, Yu-You Li
An anaerobic membrane bioreactor was configured for methanogenic degradation of cellulose-containing sewage. The degradation performance and microbial changes were evaluated under five hydraulic retention times (HRTs). The results indicated the methane production was largely enhanced with 92.6% efficiency of chemical oxygen demand (COD) converting to methane and 80% proportion of methane in produced biogas, meanwhile the biomass yield presented the fewest at the shortest HRT 8h. Enhanced methane production with decreased biomass yield was attributed to an association between fungi and methanogens...
September 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28926908/importance-of-inoculum-source-and-initial-community-structure-for-biogas-production-from-agricultural-substrates
#8
Tong Liu, Li Sun, Bettina Müller, Anna Schnürer
This study evaluated the importance of inoculum source for start-up and operation of biogas processes. Three different inocula with different community structure were used to initiate six laboratory continuous stirred tank reactor (CSTR) processes operated with a grass manure mixture as substrate. The processes were evaluated by chemical and microbiological analysis, by targeting the overall bacterial community and potential cellulose-degrading bacteria. As expected, the results showed a large difference in community structure in the inocula and in process performance during the first hydraulic retention time (HRT)...
September 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28923411/hormone-replacement-therapy-after-treatment-for-cervical-cancer-are-we-adhering-to-standard-of-care
#9
Lisa A Rauh, Aaron F Pannone, Leigh A Cantrell
OBJECTIVE: The aim of this study was to assess hormone replacement therapy (HRT) and bone care health maintenance practices for cervical cancer patients with iatrogenic menopause, and, secondarily, to investigate the potential impact of specific demographic and clinical factors. METHODS: Women diagnosed with iatrogenic menopause due to cervical cancer treatment between January 1, 2005 and December 31, 2015 were identified from the University of Virginia's tumor registry...
September 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28922630/effects-of-iron-and-calcium-carbonate-on-contaminant-removal-efficiencies-and-microbial-communities-in-integrated-wastewater-treatment-systems
#10
Zhimiao Zhao, Xinshan Song, Yinjiang Zhang, Yufeng Zhao, Bodi Wang, Yuhui Wang
In the paper, we explored the influences of different dosages of iron and calcium carbonate on contaminant removal efficiencies and microbial communities in algal ponds combined with constructed wetlands. After 1-year operation of treatment systems, based on the high-throughput pyrosequencing analysis of microbial communities, the optimal operating conditions were obtained as follows: the ACW10 system with Fe(3+) (5.6 mg L(-1)), iron powder (2.8 mg L(-1)), and CaCO3 powder (0.2 mg L(-1)) in influent as the adjusting agents, initial phosphorus source (PO4(3-)) in influent, the ratio of nitrogen to phosphorus (N/P) of 30 in influent, and hydraulic retention time (HRT) of 1 day...
September 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28920752/treatment-of-synthetic-refinery-wastewater-in-anoxic-aerobic-sequential-moving-bed-reactors-and-sulphur-recovery
#11
Subrat Kumar Mallick, Saswati Chakraborty
Objective of the present study was to simultaneously biodegrade synthetic petroleum refinery wastewater containing phenol (750 mg/L), sulphide (750 mg/L), hydrocarbon (as emulsified diesel of 300 mg/L), ammonia-nitrogen (350 mg/L) at pH >9 in anoxic-aerobic sequential moving bed reactors. The optimum mixing speed of anoxic reactor was observed at 20 rpm and beyond that, removal rate remained constant. In anoxic reactor the minimum hydraulic retention time was observed to be 2 days for complete removal of sulphide, 40-50% removal of phenol and total hydrocarbons and 52% of sulphur recovery...
September 18, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28914537/coupling-bioflocculation-of-dehalococcoides-mccartyi-to-high-rate-reductive-dehalogenation-of-chlorinated-ethenes
#12
Anca G Delgado, Devyn Fajardo-Williams, Emily Bondank, Sofia Esquivel-Elizondo, Rosa Krajmalnik-Brown
Continuous bioreactors operated at low hydraulic retention times have rarely been explored for reductive dehalogenation of chlorinated ethenes. The inability to consistently develop such bioreactors affects the way growth approaches for Dehalococcoides mccartyi bioaugmentation cultures are envisioned. It also affects interpretation of results from in situ continuous treatment processes. We report bioreactor performance and dehalogenation kinetics of a D. mccartyi-containing consortium in an upflow bioreactor...
September 15, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28914436/chinese-and-indian-women-s-experience-with-alternative-medications-for-menopause-related-symptoms-a-qualitative-analysis
#13
Saw Ohn Mar, Fatehpal Singh Malhi, Syed Hamid Syed Rahim, Myint Myint Soe
OBJECTIVE: To explore women's rationalization for using alternative medications, their experience and view on safety of long-term use. METHODS: Two focus group discussions, involving 5 participants each for Chinese and Indian groups, were conducted separately. Participant's personal information was collected anonymously. The discussion covered 5 areas: determinants for taking medications; reason for choosing alternative medications rather than hormone replacement therapy (HRT); how these medications help them; their view on cost-effectiveness and concerns over long-term use...
September 15, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28913581/investigation-on-the-anaerobic-co-digestion-of-food-waste-with-sewage-sludge
#14
Yubo Wang, Chunxiao Wang, Yulin Wang, Yu Xia, Guanghao Chen, Tong Zhang
In this laboratory-scale investigation on the applicability of the co-digestion of food waste with sewage sludge, evaluated were the effects of the single-stage versus two-stage operating modes at the hydraulic retention time (HRT) of 15 days, and the impact of HRTs: 15 days vs. 25 days, on the single-stage operation. An average volatile solid reduction (VSR) of 61% and methane yield of 314 ml/g-VS were achieved in the two-stage operation (HRT 15 days), while comparable VSR of 57% and the methane yield of 325 ml CH4/g-VS could only be detected at a longer HRT at 25 days in the single-stage operation...
September 14, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28903787/a-preliminary-investigation-of-metacognitive-therapy-and-habit-reversal-as-a-treatment-for-trichotillomania
#15
Hossein Shareh
BACKGROUND: Not all patients suffering from trichotillomania (TTM) recover completely using CBT and of those that do, only a few maintain their recovery over time. AIMS: The purpose of the present study was to investigate the effectiveness of metacognitive methods combined with habit reversal (MCT/HRT) in trichotillomania with a relatively long-term follow-up. METHOD: A case series (n = 8) and a randomized wait-list controlled trial (n = 34) design were conducted in this study...
September 14, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28903616/circulating-dehydroepiandrosterone-sulphate-decreases-even-with-a-slight-change-in-oestradiol
#16
Sumika Matsui, Toshiyuki Yasui, Kana Kasai, Kanako Yoshida, Takeshi Kato, Hirokazu Uemura, Akira Kuwahara, Toshiya Matsuzaki, Minoru Irahara
The aim of this study was to determine the effect of hormone replacement therapy (HRT) on changes in circulating dehydroepiandrosterone-sulphate (DHEA-S) with focus on the relationship between oestrogen level and change in DHEA-S. Forty-two women were enrolled in this longitudinal study. Nineteen women received oral oestradiol and twenty-three women received transdermal oestradiol continuously. Twenty women received progesterone continuously except for women who had undergone hysterectomy. Circulating oestradiol, follicle-stimulating hormone, luteinising hormone and DHEA-S levels before and at 3 months after commencement of HRT were measured...
September 14, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28903474/nitric-oxide-heat-shock-protein-axis-in-menopausal-hot-flushes-neglected-metabolic-issues-of-chronic-inflammatory-diseases-associated-with-deranged-heat-shock-response
#17
Antônio Azambuja Miragem, Paulo Ivo Homem de Bittencourt
BACKGROUND: Although some unequivocal underlying mechanisms of menopausal hot flushes have been demonstrated in animal models, the paucity of similar approaches in humans impedes further mechanistic outcomes. Human studies might show some as yet unexpected physiological mechanisms of metabolic adaptation that permeate the phase of decreased oestrogen levels in both symptomatic and asymptomatic women. This is particularly relevant because both the severity and time span of hot flushes are associated with increased risk of chronic inflammatory disease...
September 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28899851/no-overall-increase-in-all-cause-mortality-with-hrt-study-finds
#18
Jacqui Wise
No abstract text is available yet for this article.
September 12, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28898829/sugarcane-vinasse-treatment-by-two-stage-anaerobic-membrane-bioreactor-effect-of-hydraulic-retention-time-on-changes-in-efficiency-biogas-production-and-membrane-fouling
#19
Fábio S Santos, Bárbara C Ricci, Luzia S França Neta, Míriam C S Amaral
This research investigated the effect of hydraulic retention time (HRT) on two-stage anaerobic membrane bioreactor (2-SAnMBR) performance treating sugarcane vinasse. The experimental setup consisted of an upflow acidogenic reactor and a continuous stirred methanogenic reactor, fitted with submersed microfiltration hollow-fiber membranes. The results indicated excellent performance and robustness of 2-SAnMBR. The reduction in HRT of 5.3-3.1days did not cause loss of its performance. The 2-SAnMBR showed high capacity of removing organic matter (97%), producing biogas (6...
August 24, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28891384/nutrient-and-organic-matter-removal-from-low-strength-sewage-treated-with-constructed-wetlands
#20
D Mello, K Q Carvalho, F H Passig, F B Freire, A C Borges, M X Lima, G R Marcelino
In this study, the role of Eichhornia crassipes for removing pollutants from low strength sewage was evaluated. For that, three pilot scale constructed wetlands (CW) were built: CW 1, planted with E. crassipes in a filter media; CW 2, unplanted, composed only by filter media; and CW 3 composed only of E. crassipes floating on the sewage. The operation of these systems was divided in three stages varying the nominal hydraulic retention time (HRT) in: (I) 24 h; (II) 48 h; and (III) 72 h. Temporal sampling profiles were carried out with collection of samples from the influent and effluent of the CWs to determine temperature, pH, COD, TKN and TP...
September 11, 2017: Environmental Technology
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