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https://www.readbyqxmd.com/read/29054061/microbial-characteristics-analysis-and-kinetic-studies-on-substrate-composition-to-methane-after-microbial-and-nutritional-regulation-of-fruit-and-vegetable-wastes-anaerobic-digestion
#1
Chunhui Zhao, Hui Mu, Yuxiao Zhao, Liguo Wang, Bin Zuo
This study firstly evaluated the microbial role when choosing the acclimated anaerobic granular sludge (AGS) and waste activated sludge (WAS) as microbial and nutritional regulators to improve the biomethanation of fruit and vegetable wastes (FVW). Results showed that the enriched hydrogenotrophic methanogens, and Firmicutes and Spirochaeta in the AGS were responsible for the enhanced methane yield. A synthetic waste representing the mixture of WAS and FVW was then used to investigate the influences of different substrate composition on methane generations...
October 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29054058/study-on-improving-anaerobic-co-digestion-of-cow-manure-and-corn-straw-by-fruit-and-vegetable-waste-methane-production-and-microbial-community-in-cstr-process
#2
Xuemei Wang, Zifu Li, Xue Bai, Xiaoqin Zhou, Sikun Cheng, Ruiling Gao, Jiachen Sun
Based on continuous anaerobic co-digestion of cow manure with available carbon slowly released corn straw, the effect of adding available carbon quickly released fruit and vegetable waste (FVW) was explored, meanwhile microbial community variation was studied in this study. When the FVW added was 5% and 1%, the methane production of the cow manure and corn straw was improved, and the start-up process was shortened. With higher proportion of FVW to 5%, the performance was superior with a mean methane yield increase of 22...
October 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28941663/succinic-acid-production-from-fruit-and-vegetable-wastes-hydrolyzed-by-on-site-enzyme-mixtures-through-solid-state-fermentation
#3
Wubliker Dessie, Wenming Zhang, Fengxue Xin, Weiliang Dong, Min Zhang, Jiangfeng Ma, Min Jiang
In this study, a novel biorefinery concept of succinic acid (SA) production from fruit and vegetable wastes (FVWs) hydrolyzed by crude enzyme mixtures through solid state fermentation was designed. Enzyme complex solid mashes from various types of FVWs were on-site produced through solid-state fermentation by Aspergillus niger and Rhizopus oryzae. This solid was then added to FVW suspensions and undergo hydrolysis reaction to generate fermentable sugars and other essential nutrients for bacterial growth and product formation...
September 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28822937/role-of-earthworms-mucus-in-vermicomposting-system-biodegradation-tests-based-on-humification-and-microbial-activity
#4
Kui Huang, Hui Xia
During vermicomposting, the organic wastes can be recycled into high-value products as mediated by earthworms through gut digestion, burrowing, casting and mucus excretion. However, to date, few studies have been done on the role of mucus in vermicomposting system compared to the effects of the other activities. Hence, this study investigated the potential role of earthworms' mucus in the decomposition and humification of organic wastes. For this, the mucus of Eisenia fetida was extracted and inoculated into three vermicomposting substrates using cow dung (CD), fruit and vegetable wastes (FVW), and sewage sludge (SS)...
January 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/28554802/influence-of-chemical-composition-on-biochemical-methane-potential-of-fruit-and-vegetable-waste
#5
Thiago Edwiges, Laercio Frare, Bruna Mayer, Leonardo Lins, Jin Mi Triolo, Xavier Flotats, Mônica Sarolli Silva de Mendonça Costa
This study investigates the influence of chemical composition on the biochemical methane potential (BMP) of twelve different batches of fruit and vegetable waste (FVW) with different compositions collected over one year. BMP ranged from 288 to 516LNCH4kgVS(-1), with significant statistical differences between means, which was explained by variations in the chemical composition over time. BMP was most strongly correlated to lipid content and high calorific values. Multiple linear regression was performed to develop statistical models to more rapidly predict methane potential...
May 26, 2017: Waste Management
https://www.readbyqxmd.com/read/28360822/impact-of-blood-hypercoagulability-on-in-vitro-fertilization-outcomes-a-prospective-longitudinal-observational-study
#6
Grigoris T Gerotziafas, Patrick Van Dreden, Emmanuelle Mathieu d'Argent, Eleftheria Lefkou, Matthieu Grusse, Marjorie Comtet, Rabiatou Sangare, Hela Ketatni, Annette K Larsen, Ismail Elalamy
BACKGROUND: Blood coagulation plays a crucial role in the blastocyst implantation process and its alteration may be related to in vitro fertilization (IVF) failure. We conducted a prospective observational longitudinal study in women eligible for IVF to explore the association between alterations of coagulation with the IVF outcome and to identify the biomarkers of hypercoagulability which are related with this outcome. METHODS: Thirty-eight women eligible for IVF (IVF-group) and 30 healthy, age-matched women (control group) were included...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28278097/microbial-and-nutritional-regulation-of-high-solids-anaerobic-mono-digestion-of-fruit-and-vegetable-wastes
#7
Hui Mu, Yan Li, Yuxiao Zhao, Xiaodong Zhang, Dongliang Hua, Haipeng Xu, Fuqiang Jin
The anaerobic digestion of single fruit and vegetable wastes (FVW) can be easily interrupted by rapid acidogenesis and inhibition of methanogen, and the digestion system tends to be particularly unstable at high solid content. In this study, the anaerobic digestion of FVW in batch experiments under mesophilic condition at a high solid concentration of 10% was successfully conducted to overcome the acidogenesis problem through several modifications. Firstly, compared with the conventional anaerobic sludge (CAS), the acclimated anaerobic granular sludge (AGS) was found to be a better inoculum due to its higher Archaea abundance...
March 16, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28094090/biogas-production-from-co-digestion-of-organic-fraction-of-municipal-solid-waste-and-fruit-and-vegetable-waste
#8
Suelen Pavi, Luis Eduardo Kramer, Luciana Paulo Gomes, Luis Alcides Schiavo Miranda
The anaerobic co-digestion of organic fraction of municipal solid waste (OFMSW) and fruit and vegetable waste (FVW) was evaluated in terms of biogas and methane yield, volatile solids (VS) removal rate and stability of the process. The batch experiment was conducted in mesophilic conditions (35°C), with four different OFMSW/FVW ratios (VS basis) of 1/0, 1/1, 1/3, and 0/1. The methane yield from the co-digestion was higher than the mono-digestion for OFMSW and FVW. The optimal mixing ratio of OFMSW/FVW was found to be 1/3...
March 2017: Bioresource Technology
https://www.readbyqxmd.com/read/27697733/a-novel-recycling-system-for-nano-magnetic-molecular-imprinting-immobilised-cellulases-synergistic-recovery-of-anthocyanin-from-fruit-and-vegetable-waste
#9
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...
December 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27259465/the-unexpected-beneficial-role-of-smoking-in-preeclampsia
#10
REVIEW
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
https://www.readbyqxmd.com/read/27060369/absence-of-an-anatomical-origin-for-altered-ductus-venosus-flow-velocity-waveforms-in-first-trimester-human-fetuses-with-increased-nuchal-translucency
#11
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
https://www.readbyqxmd.com/read/27020125/hydrolysis-treatments-of-fruit-and-vegetable-waste-for-production-of-biofuel-precursors
#12
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
https://www.readbyqxmd.com/read/26946935/co-treatment-of-fruit-and-vegetable-waste-in-sludge-digesters-chemical-and-spectroscopic-investigation-by-fluorescence-and-fourier-transform-infrared-spectroscopy
#13
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
https://www.readbyqxmd.com/read/26819391/recovering-biomethane-and-nutrients-from-anaerobic-digestion-of-water-hyacinth-eichhornia-crassipes-and-its-co-digestion-with-fruit-and-vegetable-waste
#14
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
https://www.readbyqxmd.com/read/26199802/case-series-fetal-pulmonary-vein-a-wave-reversal-an-early-marker-of-left-sided-cardiac-anomalies
#15
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
https://www.readbyqxmd.com/read/26104640/the-role-of-maternal-fetal-doppler-in-pre-eclampsia
#16
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
https://www.readbyqxmd.com/read/26101199/boosting-methane-generation-by-co-digestion-of-sludge-with-fruit-and-vegetable-waste-internal-environment-of-digester-and-methanogenic-pathway
#17
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
https://www.readbyqxmd.com/read/26089277/-diagnostic-algorithm-for-von-willebrand-disease-vwd-in-a-mexican-population
#18
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
https://www.readbyqxmd.com/read/26028754/effect-of-feeding-lipids-recovered-from-fish-processing-waste-by-lactic-acid-fermentation-and-enzymatic-hydrolysis-on-antioxidant-and-membrane-bound-enzymes-in-rats
#19
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
https://www.readbyqxmd.com/read/25989504/von-willebrand-factor-deficiency-corrected-by-lung-transplantation
#20
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
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