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https://www.readbyqxmd.com/read/28735182/fluidized-bed-fenton-coupled-with-ceramic-membrane-separation-for-advanced-treatment-of-flax-wastewater
#1
Dong Fan, Lili Ding, Hui Huang, Mengtian Chen, Hongqiang Ren
Fluidized-bed Fenton coupled with ceramic membrane separation to treat the flax secondary effluent was investigated. The operating variables, including initial pH, dosage of H2O2 and Fe(0), air flow rate, TMP and pore size, were optimized. The distributions of DOMs in the treatment process were analyzed. Under the optimum condition (600mgL(-1)H2O2, 1.4gL(-1) Fe(0), pH=3, 300Lh(-1) air flow rate and 15psi TMP), the highest TOC and color removal efficiencies were 84% and 94% in the coupled reactor with 100nm ceramic membrane, reducing 39% of total iron with similar removal efficiency compared with Fluidized-bed Fenton...
May 31, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28706005/a-cell-wall-proteome-and-targeted-cell-wall-analyses-provide-novel-information-on-hemicellulose-metabolism-in-flax
#2
Malika Chabi, Estelle Goulas, Celine Leclercq, Isabelle de Waele, Christophe Rihouey, Ugo Cenci, Arnaud Day, Anne-Sophie Blervacq, Godfrey Neutelings, Ludovic Duponchel, Patrice Lerouge, Jean-François Hausman, Jenny Renaut, Simon Hawkins
Experimentally-generated (nanoLC-MS/MS) proteomic analyses of four different flax organs/tissues (inner-stem, outer-stem, leaves and roots) enriched in proteins from 3 different sub-compartments (soluble-, membrane-, and cell wall-proteins) was combined with publically available data on flax seed and whole-stem proteins to generate a flax protein database containing 2996 non-redundant total proteins. Subsequent multiple analyses (MapMan, CAZy, WallProtDB and expert curation) of this database were then used to identify a flax cell wall proteome consisting of 456 non-redundant proteins localized in the cell wall and/or associated with cell wall biosynthesis, remodeling and other cell wall related processes...
July 13, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28705193/spatial-regulation-of-monolignol-biosynthesis-and-laccase-genes-control-developmental-and-stress-related-lignin-in-flax
#3
Julien Le Roy, Anne-Sophie Blervacq, Anne Créach, Brigitte Huss, Simon Hawkins, Godfrey Neutelings
BACKGROUND: Bast fibres are characterized by very thick secondary cell walls containing high amounts of cellulose and low lignin contents in contrast to the heavily lignified cell walls typically found in the xylem tissues. To improve the quality of the fiber-based products in the future, a thorough understanding of the main cell wall polymer biosynthetic pathways is required. In this study we have carried out a characterization of the genes involved in lignin biosynthesis in flax along with some of their regulation mechanisms...
July 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28694533/if-you-pluck-out-the-heart-of-the-flax-bush-from-whence-will-the-bellbird-sing
#4
EDITORIAL
Marewa Glover, Christina Severinsen, Suzanne Phibbs
No abstract text is available yet for this article.
July 7, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28694530/transcriptomic-profiling-of-hemp-bast-fibres-at-different-developmental-stages
#5
Gea Guerriero, Marc Behr, Sylvain Legay, Lauralie Mangeot-Peter, Simone Zorzan, Mohammad Ghoniem, Jean-Francois Hausman
Bast fibres are long extraxylary cells which mechanically support the phloem and they are divided into xylan- and gelatinous-type, depending on the composition of their secondary cell walls. The former, typical of jute/kenaf bast fibres, are characterized by the presence of xylan and a high degree of lignification, while the latter, found in tension wood, as well as flax, ramie and hemp bast fibres, have a high abundance of crystalline cellulose. During their differentiation, bast fibres undergo specific developmental stages: the cells initially elongate rapidly by intrusive growth, subsequently they cease elongation and start to thicken...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28689336/v79-fibroblasts-are-protected-against-reactive-oxygen-species-by-flax-fabric
#6
Katarzyna Skórkowska-Telichowska, Anna Kulma, Tomasz Gębarowski, Wioleta Wojtasik, Kamil Kostyn, Helena Moreira, Anna Szyjka, Aleksandra Boba, Marta Preisner, Justyna Mierziak, Malgorzata Arendt, Anna Kostyn, Michał Szatkowski, Jan Szopa, Kazimierz Gąsiorowski
Chinese hamster pulmonary fibroblasts (V79 cells) pre-treated with flax fabrics derived from non-modified or genetically engineered flax fibres and treated with H2O2 revealed a markedly lower level of intracellular reactive oxygen species (ROS) than control, non-pre-treated cells. The fabrics were prepared from fibres derived from two kinds of transgenic plants: W92 plants, which overproduce flavonoids, and M type plants, which produce hydroxybutyrate polymer in their vascular bundles and thus in fibres. Incubating the V79 cells with the flax fabrics prior to H2O2 treatment also reduced the amount of DNA damage, as established using the comet assay (also known as alkaline single-cell gel electrophoresis) and pulsed-field electrophoresis of intact cellular DNA...
July 8, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28684354/utilization-of-flax-linum-usitatissimum-cellulose-nanocrystals-as-reinforcing-material-for-chitosan-films
#7
Muhammad Mujtaba, Asier M Salaberria, María A Andres, Murat Kaya, Ayse Gunyakti, Jalel Labidi
Use of plastic based packaging tools is causing both health and economic problems. To overcome this situation, researchers are focusing on the use of different biomaterials such as chitosan and cellulose. The current study was conducted to check the effect of flax (Linum usitatissimum) cellulose nanocrystals (CNC) on mechanical and barrier properties of chitosan-based films. CNC was incorporated in different concentrations (5, 10, 20 and 30%). CNC was isolated from flax fiber using acid hydrolysis method. Tensile strength (TS) and young modulus (YM) values increased with the increase of CNC concentration...
July 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28669075/origin-and-evolution-of-group-xi-secretory-phospholipase-a2-from-flax-linum-usitatissimum-based-on-phylogenetic-analysis-of-conserved-domains
#8
Payal Gupta, Raman Saini, Prasanta K Dash
Phospholipase A2 (PLA2) belongs to class of lipolytic enzymes (EC 3.1.1.4). Lysophosphatidic acid (LPA) and free fatty acids (FFAs) are the products of PLA2 catalyzed hydrolysis of phosphoglycerides at sn-2 position. LPA and FFA that act as second mediators involved in the development and maturation of plants and animals. Mining of flax genome identified two phospholipase A2 encoding genes, viz., LusPLA 2 I and LusPLA 2 II (Linum usitatissimum secretory phospholipase A2). Molecular simulation of LusPLA2s with already characterized plant sPLA2s revealed the presence of conserved motifs and signature domains necessary to classify them as secretory phospholipase A2...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28610933/herbal-laxatives-and-antiemetics-in-pregnancy
#9
Reza Samavati, Eszter Ducza, Judit Hajagos-Tóth, Robert Gaspar
Constipation appears in the 2nd and 3rd trimester of pregnancy, while nausea is the strongest in the 1st trimester. This review summarizes the applicability of herbal laxatives and antiemetics in pregnancy. A human study has shown that flax oil as laxative is safe from 2nd trimester. Human data is not available about the rhubarb, but animal studies reveal that its emodin content induces fetal abnormalities. Fenugreek induces teratogenic malformation both in human and animals. Senna seed is proved as a safe laxative in pregnancy...
June 10, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28594842/-if-my-husband-leaves-me-i-will-go-home-and-suffer-so-better-cling-to-him-and-hide-this-thing-the-influence-of-gender-on-option-b-prevention-of-mother-to-child-transmission-participation-in-malawi-and-uganda
#10
Valerie L Flax, Jennifer Yourkavitch, Elialilia S Okello, John Kadzandira, Anne Ruhweza Katahoire, Alister C Munthali
The role of gender in prevention of mother-to-child transmission (PMTCT) participation under Option B+ has not been adequately studied, but it is critical for reducing losses to follow-up. This study used qualitative methods to examine the interplay of gender and individual, interpersonal, health system, and community factors that contribute to PMTCT participation in Malawi and Uganda. We conducted in-depth interviews with women in PMTCT, women lost to follow-up, government health workers, and stakeholders at organizations supporting PMTCT as well as focus group discussions with men...
2017: PloS One
https://www.readbyqxmd.com/read/28580502/in-vitro-bioavailability-of-calcium-magnesium-iron-zinc-and-copper-from-gluten-free-breads-supplemented-with-natural-additives
#11
J Regula, A Cerba, J Suliburska, A A Tinkov
The aim of this study was to measure the content of calcium, magnesium, iron, zinc, and copper and determine the bioavailability of these ingredients in gluten-free breads fortified with milk and selected seeds. Due to the increasing prevalence of celiac disease and mineral deficiencies, it has become necessary to produce food with higher nutritional values which maintains the appropriate product characteristics. This study was designed for gluten-free breads fortified with milk and seeds such as flax, poppy, sunflower seeds, pumpkin seeds or nuts, and flour with amaranth...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28555142/oligodeoxynucleotides-can-transiently-up-and-downregulate-chs-gene-expression-in-flax-by-changing-dna-methylation-in-a-sequence-specific-manner
#12
Magdalena Dzialo, Jan Szopa, Tadeusz Czuj, Magdalena Zuk
Chalcone synthase (CHS) has been recognized as an essential enzyme in the phenylpropanoid biosynthesis pathway. Apart from the leading role in the production of phenolic compounds with many valuable biological activities beneficial to biomedicine, CHS is well appreciated in science. Genetic engineering greatly facilitates expanding knowledge on the function and genetics of CHS in plants. The CHS gene is one of the most intensively studied genes in flax. In our study, we investigated engineering of the CHS gene through genetic and epigenetic approaches...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28545187/enterolactone-suppresses-proliferation-migration-and-metastasis-of-mda-mb-231-breast-cancer-cells-through-inhibition-of-upa-induced-plasmin-activation-and-mmps-mediated-ecm-remodeling
#13
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Background: To enhance their own survival, tumor cells can manipulate their microenvironment through remodeling of the extra cellular matrix (ECM). The urokinase-type plasminogen activator (uPA) system catalyzes plasmin production which further mediates activation of matrix metalloproteinases (MMPs) and plays an important role in breast cancer invasion and metastasis through ECM remodeling. This provides a potential target for therapeutic intervention of breast cancer treatment. Enterolactone (EL) is derived from dietary flax lignans in the human body and is known to have anti-breast cancer activity...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28529764/in-vivo-analysis-of-covering-materials-composed-of-biodegradable-polymers-enriched-with-flax-fibers
#14
Tomasz Gredes, Sandra Schönitz, Tomasz Gedrange, Lukas Stepien, Karol Kozak, Christiane Kunert-Keil
BACKGROUND: The objective of this study was to investigate the in vivo effect of bioactive composites with poly(lactic acid) (PLA) or polycaprolactone (PCL) as the matrix, reinforced with bioplastic flax fibers, on the surrounding muscle tissue. METHODS: Materials of pure PLA and PCL and their composites with flax fibers from genetically modified plants producing poly-3-hydroxybutyrate (PLA-transgen, PCL-transgen) and unmodified plants (PLA-wt, PCL-wt) were placed subcutaneous on the M...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/28488060/arbuscular-mycorrhizal-fungi-and-pseudomonas-in-reduce-drought-stress-damage-in-flax-linum-usitatissimum-l-a-field-study
#15
Saeedeh Rahimzadeh, Alireza Pirzad
Drought stress, which is one of the most serious world environmental threats to crop production, might be compensated by some free living and symbiotic soil microorganisms. The physiological response of flax plants to inoculation with two species of arbuscular mycorrhizal (AM) fungi (Funneliformis mosseae or Rhizophagus intraradices) and a phosphate solubilizing bacterium (Pseudomonas putida P13; PSB) was evaluated under different irrigation regimes (irrigation after 60, 120, and 180 mm of evaporation from Class A pan as well-watered, mild, and severe stress, respectively)...
August 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28479385/digital-gene-expression-profiling-of-flax-linum-usitatissimum-l-stem-peel-identifies-genes-enriched-in-fiber-bearing-phloem-tissue
#16
Yuan Guo, Caisheng Qiu, Songhua Long, Ping Chen, Dongmei Hao, Marta Preisner, Hui Wang, Yufu Wang
To better understand the molecular mechanisms and gene expression characteristics associated with development of bast fiber cell within flax stem phloem, the gene expression profiling of flax stem peels and leaves were screened, using Illumina's Digital Gene Expression (DGE) analysis. Four DGE libraries (2 for stem peel and 2 for leaf), ranging from 6.7 to 9.2 million clean reads were obtained, which produced 7.0 million and 6.8 million mapped reads for flax stem peel and leave, respectively. By differential gene expression analysis, a total of 975 genes, of which 708 (73%) genes have protein-coding annotation, were identified as phloem enriched genes putatively involved in the processes of polysaccharide and cell wall metabolism...
May 4, 2017: Gene
https://www.readbyqxmd.com/read/28460750/cross-sectional-study-of-the-prevalence-of-and-risk-factors-for-hoof-disorders-in-horses-in-the-netherlands
#17
M Holzhauer, R Bremer, I Santman-Berends, O Smink, I Janssens, W Back
Information is scarce on the prevalence of hoof disorders in horses. In this study, we examined the prevalence of and risk factors for hoof disorders in a population of horses in The Netherlands. In a group of 942 randomly selected horses, hoof health was scored during regular foot trimming (one horse/farm). Hooves were assessed for the occurrence of one of 12 hoof disorders by a group of 21 certified farriers in two periods i.e. winter and summer of 2015. The mean age of the group of horses was 11.2±5.6years...
May 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28459093/statistical-data-for-the-tensile-properties-of-natural-fibre-composites
#18
J P Torres, L-J Vandi, M Veidt, M T Heiztmann
This article features a large statistical database on the tensile properties of natural fibre reinforced composite laminates. The data presented here corresponds to a comprehensive experimental testing program of several composite systems including: different material constituents (epoxy and vinyl ester resins; flax, jute and carbon fibres), different fibre configurations (short-fibre mats, unidirectional, and plain, twill and satin woven fabrics) and different fibre orientations (0°, 90°, and [0,90] angle plies)...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28457441/improved-flame-retardant-and-tensile-properties-of-thermoplastic-starch-flax-fabric-green-composites
#19
M N Prabhakar, Atta Ur Rehman Shah, Jung-Il Song
This article highlights the development of biodegradable flame-retardant composites using a compression technique on low-cost starch, flax fabric (FF) and ammonium polyphosphate (APP) raw materials. The starch was plasticized into thermoplastic starch through a mechano-ball milling process and composites were developed by reinforcing the FF and incorporating varying amounts of APP. The effects of APP on the flammability and thermal properties of the composites were studied. Limited oxygen index and horizontal-burning tests exhibited significant sustainability of the composites toward flame and direct flame self-extinguishment...
July 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28453714/evaluating-the-effect-of-integrated-microfinance-and-health-interventions-an-updated-review-of-the-evidence
#20
Lara M J Lorenzetti, Sheila Leatherman, Valerie L Flax
Background: Solutions delivered within firm sectoral boundaries are inadequate in achieving income security and better health for poor populations. Integrated microfinance and health interventions leverage networks of women to promote financial inclusion, build livelihoods, and safeguard against high cost illnesses. Our understanding of the effect of integrated interventions has been limited by variability in intervention, outcome, design, and methodological rigour. This systematic review synthesises the literature through 2015 to understand the effect of integrated microfinance and health programs...
June 1, 2017: Health Policy and Planning
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