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Bo Yuan, Xù-Qin Yang, Ling-Wei Xue, Yan-Nan Feng, Ji-Hong Jiang
Fruit and vegetable waste (FVW) is become a serious problem in developing countries. Enzymolysis is a potentially useful method for the treatment of FVW. In the present study, novel recycled magnetic molecular imprinting immobilised cellulases were prepared based on magnetic modified chitosan (MCTS) and Fe3O4. The properties of obtained were characterised by IR and grain-size measurements. Evaluation of a single factor affecting the loading efficiency of supports and the mixed immobilised enzymes showed better capacity than single immobilised, or free, enzymes...
September 28, 2016: Bioresource Technology
Patrícia Nessralla Alpoim, Lara Carvalho Godoi, Melina de Barros Pinheiro, Letícia Gonçalves Freitas, Maria das Graças Carvalho, Luci Maria Dusse
We have recently investigated the association between the risk of developing PE and clinical, hemostatic, inflammatory and genetic parameters of 108 severe preeclamptic women. A multivariate logistic regression analysis was performed to assess what variables are independent risk factors for PE. Univariate analysis was performed including the variables in age, smoking condition, multiple pregnancy, blood group, phenotypes and alleles of IL-4, IL-5, IL-10, IL-6, IL-8, IL-12, IL-1β, IFN-γ, TNF-α, and the plasma levels of FVII, FVIIa, FVIIa-AT, FVIII, FVW, ADAMTS13, D-Di, PAI-1, ADMA...
August 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Nicole B Burger, Alexandra Matias, Evelien Kok, Christianne J M de Groot, Vincent M Christoffels, Mireille N Bekker, Monique C Haak
OBJECTIVE: To perform a morphological evaluation of the ductus venosus, heart and jugular lymphatic sac (JLS) in first-trimester human fetuses with normal and abnormal ductus venosus flow velocity waveforms (DV-FVWs) and normal and increased nuchal translucency (NT). METHOD: Postmortem examination was performed on fetuses with increased NT or structural malformations with previous NT and DV-FVW measurements. Ductus venosus morphology was examined using markers for endothelium, smooth muscle actin (SMA), nerves and elastic fibers...
June 2016: Prenatal Diagnosis
Ali Razaghi, O P Karthikeyan, H T Nguyen Hao, Kirsten Heimann
This study investigated hydrolysis approaches for cultivation of the oleaginous red yeast Rhodotorula glutinis for biodiesel production, whilst utilising the residual solids (RS) for biogas production. Macerated fruit and vegetable waste (FVW) (24h-4°C-leachate served as the control, Pcon) was hydrolysed chemically (Chem), thermally (Therm) and using a combined thermo-chemical treatment (T-Chem). All cleared hydrolysates supported growth of R. glutinis, which was nitrogen-limited. T-Chem hydrolysates yielded highest biomass, total fatty acids (TotFA) and RS-derived biogas yields, biomass TotFA failed to meet standards for fuel density and higher heating values, met by the other treatments...
October 2016: Bioresource Technology
Maria Rosaria Provenzano, Ornella Cavallo, Anna Daniela Malerba, Francesco Di Maria, Mirko Cucina, Luisa Massaccesi, Giovanni Gigliotti
In a previous work co-digestion of food waste and sewage sludge was performed in a pilot apparatus reproducing operating conditions of an existing full scale digester and processing waste mixed sludge (WMS) and fruit and vegetable waste (FVW) at different organic loading rates. An analysis of the relationship among bio-methane generation, process stability and digestate phytotoxicity was conducted. In this paper we considered humification parameters and spectroscopic analysis. Humification parameters indicated a higher not humified fraction (NH) and a lower degree of humification (DH) of FVW with respect to WMS (NH=19...
April 2016: Waste Management
M A Hernández-Shek, L S Cadavid-Rodríguez, I V Bolaños, A C Agudelo-Henao
The potential to recover bioenergy from anaerobic digestion of water hyacinth (WH) and from its co-digestion with fruit and vegetable waste (FVW) was investigated. Initially, biogas and methane production were studied using the biochemical methane potential (BMP) test at 2 g volatile solids (VS) L(-1) of substrate concentration, both in the digestion of WH alone and in its co-digestion with FVW (WH-FVW ratio of 70:30). Subsequently, the biogas production was optimized in terms of total solids (TS) concentration, testing 4 and 6% of TS...
2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Aldo L Schenone, G Giugni, M H Schenone, L Diaz, A Bermudez, D Majdalany, A Sosa-Olavarria
Background Improvements in congenital heart disease (CHD) screening are needed based on the lack of sensitivity of current screening methods and the understanding that the early detection of certain CHDs may improve outcomes. Fetal venous circulation has caught medical attention, and two studies demonstrated that it is feasible to register pulmonary vein flow velocity waveforms (FVWs) during early gestation. Meanwhile, the latter study proposed pulmonary vein A-wave reversal as a marker of cardiac anomaly...
April 2015: American Journal of Perinatology Reports
Johanes C Mose
Pre-eclampsia is associated with significant maternal and fetal morbidity and mortality worldwide. Pregnancy complicated by preeclampsia and/or by fetal growth restriction are reported to have inadequate maternal vascular responses to placentation. This defective vascular response was due to the failure of second wave of endovascular trophoblast migration leading to both a reduced amount and depth of trophoblast invasion of myometrium followed by the development of placental hypoxia and ischemia that can be measured biophysically by means of Doppler Ultrasound...
July 2014: Pregnancy Hypertension
Francesco Di Maria, Martino Barratta
The effects of anaerobic co-digestion of waste-mixed sludge with fruit and vegetable waste (FVW) on the methane generation of a mesophilic digester was investigated. Organic loading rates (OLR) were 1.46kgVS/m(3)day, 2.1kgVS/m(3)day and 2.8kgVS/m(3)day. Increase in the OLR due to FVW co-digestion caused modification of the internal environment of the digester, mainly in terms of N-NH4 (mg/L). Corresponding microbial populations were investigated by metagenomic high-throughput sequencing. Maximum specific bio-methane generation of 435 NLCH4 per kgVS feed was achieved for an OLR of 2...
September 2015: Waste Management
María Guadalupe Zavelia Padilla-Romo, Ana Rebeca Jaloma-Cruz
The diagnosis of von Willebrand disease (vWD) is complex and requires several screening and confirmation tests, such as the analysis of vWF multimers, which is considered the gold standard for vWD subtyping; however, it only discriminates 2A subtype while the 2B, 2M, and 2N subtypes require additional tests and even genetic testing for final confirmation. It is important to consider the patients’ hemotype for the vWD diagnosis, particularly in Mexico where hemotype “O” predominates and may entail a 20-25% decreased level of plasma vWF and increased bleeding tendency...
May 2015: Gaceta Médica de México
Amit Kumar Rai, N Bhaskar, V Baskaran
Fish oil recovered from fresh water fish visceral waste (FVW-FO) through lactic acid fermentation (FO-LAF) and enzymatic hydrolysis (FO-EH) were fed to rats to study their influence on lipid peroxidation and activities of antioxidant and membrane bound enzyme in liver, heart and brain. Feeding of FO-LAF and FO-EH resulted in increase (P < 0.05) in lipid peroxides level in serum, liver, brain and heart tissues compared to ground nut oil (control). Activity of catalase (40-235 %) and superoxide dismutase (17-143 %) also increased (P < 0...
June 2015: Journal of Food Science and Technology
Rafael Forés, Ana Lario, Santiago Gil, Jose-Luis Campo-Cañaveral, David Gomez-De-Antonio, Rosalia Laporta, Monica Martin, Grace Anze, Nieves Dorado, Jose-Luis Bueno, Rafael Cabrera
BACKGROUND: In experimental models with von Willebrand disease pigs, plasma von Willebrand factor (vWF) was significantly increased after lung transplantation because lung endothelial cells strongly express vWF. However, these findings have not been confirmed in human beings. METHODS: A 26-year-old man with mild vWF deficiency (FvW:antigen 39 IU/dL; FvW:ristocetin cofactor activity 44 IU/dL; factor VIII 99%; normal multimeric plasma vWF pattern) was referred to our institution and underwent bilateral lung transplantation for cystic fibrosis...
December 2015: Transplantation
B F Xu, T G Wang, Y Yuan, J F Cao
A free-vortex wake (FVW) model is developed in this paper to analyse the unsteady aerodynamic performance of offshore floating wind turbines. A time-marching algorithm of third-order accuracy is applied in the FVW model. Owing to the complex floating platform motions, the blade inflow conditions and the positions of initial points of vortex filaments, which are different from the fixed wind turbine, are modified in the implemented model. A three-dimensional rotational effect model and a dynamic stall model are coupled into the FVW model to improve the aerodynamic performance prediction in the unsteady conditions...
February 28, 2015: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
N Wada, D Tachibana, Y Kurihara, K Nakagawa, A Nakano, H Terada, K Tanaka, M Fukui, M Koyama, K Hecher
OBJECTIVE: To investigate time intervals of the ductus venosus (DV) flow velocity waveform (FVW) and those of the cardiac cycle that correspond with each DV-FVW component in fetuses with intrauterine growth restriction (IUGR) due to placental insufficiency. METHODS: Women with a pregnancy complicated by IUGR were recruited into the study, as was a normal control group. Time intervals for systolic (S) and diastolic (D) components were measured in DV-FVW as follows: S(DV), from the nadir of the a-wave during atrial contraction to the nadir between the S-wave and D-wave; D(DV), from the nadir between S-wave and D-wave to the nadir of the a-wave...
August 2015: Ultrasound in Obstetrics & Gynecology
Long Wang, Fei Shen, Hairong Yuan, Dexun Zou, Yanping Liu, Baoning Zhu, Xiujin Li
The anaerobic digestion performances of kitchen waste (KW) and fruit/vegetable waste (FVW) were investigated for establishing engineering digestion system. The study was conducted from lab-scale to pilot-scale, including batch, single-phase and two-phase experiments. The lab-scale experimental results showed that the ratio of FVW to KW at 5:8 presented higher methane productivity (0.725 L CH4/g VS), and thereby was recommended. Two-phase digestion appeared to have higher treatment capacity and better buffer ability for high organic loading rate (OLR) (up to 5...
December 2014: Waste Management
Kui Huang, Fusheng Li, Yongfen Wei, Xiaoyong Fu, Xuemin Chen
This study aimed to investigate the effect of earthworms on physicochemical and microbial properties during vermicomposting of fresh fruit and vegetable wastes (FVW) by contrasting two decomposing systems of FVW with and without earthworms for 5weeks. Compared to control treatment (without earthworms), vermicomposting treatment resulted in a rapid decrease of electrical conductivity and losses of total carbon and nitrogen from the 2nd week. Quantitative PCR displayed that earthworms markedly enhanced bacterial and fungal densities, showing the higher values than control, during the whole decomposition process...
October 2014: Bioresource Technology
D Tachibana, P Glosemeyer, W Diehl, K Nakagawa, N Wada, Y Kurihara, M Fukui, M Koyama, K Hecher
OBJECTIVES: To investigate time-interval variables of ductus venosus (DV) flow velocity waveforms (FVWs) in twin-to-twin transfusion syndrome (TTTS), comparing the results with reference ranges from normal singleton fetuses. The impact of laser surgery and the effect of prognostic factors were also evaluated. METHODS: In 107 TTTS cases, DV-FVWs of both recipients and donors were recorded 1 day before and 2 days after laser therapy. Time intervals for systolic (S) and early diastolic (D) peaks were analyzed retrospectively with regard to acceleration time (acc-S and acc-D for S and D, respectively) and deceleration time (dec-S and dec-D for S and D, respectively)...
May 2015: Ultrasound in Obstetrics & Gynecology
Michael W Beets, Falon Tilley, Robert G Weaver, Gabrielle M Turner-McGrievy, Justin B Moore
The objective of this study was to describe the 3-year outcomes (2011-2013) from the healthy lunchbox challenge (HLC) delivered in the US-based summer day camps (SDC) (8-10 hours day(-1), 10-11 weeks summer(-1), SDC) to increase children and staff bringing fruit, vegetables and water (FVW) each day. A single group pre- with multiple post-test design was used in four large-scale SDCs serving more than 550 children day(-1) (6-12 years). The percentage of foods/beverages brought by children/staff, staff promotion of healthy eating and children's consumption of FVW was assessed via direct observation over 98 days across three summers...
October 2014: Health Education Research
Rangaraj Ganesh, Michel Torrijos, Philippe Sousbie, Aurelien Lugardon, Jean Philippe Steyer, Jean Philippe Delgenes
Single-phase and two-phase digestion of fruit and vegetable waste were studied to compare reactor start-up, reactor stability and performance (methane yield, volatile solids reduction and energy yield). The single-phase reactor (SPR) was a conventional reactor operated at a low loading rate (maximum of 3.5 kgVS/m3 d), while the two-phase system consisted of an acidification reactor (TPAR) and a methanogenic reactor (TPMR). The TPAR was inoculated with methanogenic sludge similar to the SPR, but was operated with step-wise increase in the loading rate and with total recirculation of reactor solids to convert it into acidification sludge...
May 2014: Waste Management
L Velauthar, M N Plana, M Kalidindi, J Zamora, B Thilaganathan, S E Illanes, K S Khan, J Aquilina, S Thangaratinam
OBJECTIVES: To determine the accuracy with which uterine artery Doppler in the first trimester of pregnancy predicts pre-eclampsia and fetal growth restriction, particularly early-onset disease. METHODS: We searched MEDLINE (1951-2012), EMBASE (1980-2012) and the Cochrane Library (2012) for relevant citations without language restrictions. Two reviewers independently selected studies that evaluated the accuracy of first-trimester uterine artery Doppler to predict adverse pregnancy outcome and performed data extraction to construct 2 × 2 tables...
May 2014: Ultrasound in Obstetrics & Gynecology
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