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https://www.readbyqxmd.com/read/29336683/adsorption-of-2-4-dichlorophenoxyacetic-acid-and-4-chloro-2-metylphenoxyacetic-acid-onto-activated-carbons-derived-from-various-lignocellulosic-materials
#1
Beata Doczekalska, Krzysztof Kuśmierek, Andrzej Świątkowski, Monika Bartkowiak
Adsorption of 2,4-dichlorophenoxyacetic acid (2,4-D) and 4-chloro-2-metylphenoxyacetic acid (MCPA) from aqueous solution onto activated carbons derived from various lignocellulosic materials including willow, miscanthus, flax, and hemp shives was investigated. The adsorption kinetic data were analyzed using two kinetic models: the pseudo-first order and pseudo-second order equations. The adsorption kinetics of both herbicides was better represented by the pseudo-second order model. The adsorption isotherms of 2,4-D and MCPA on the activated carbons were analyzed using the Freundlich and Langmuir isotherm models...
January 16, 2018: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29325165/utilization-of-soy-hulls-oat-hulls-and-flax-meal-fiber-in-adult-broiler-breeder-hens
#2
H Leung, A Arrazola, S Torrey, E Kiarie
A total of 72, 65-week-old broiler breeder hens (Ross 308, BW 4,190 ± 45 g) was placed in individual cages to investigate utilization of fiber in soy hulls (SH), oat hulls (OH), and flax meal (FM). Birds were adapted to cages for 10 d prior to allocation (n = 18) to broiler breeder ration (control) or control mixed with either of the 3 fiber sources (wt/wt) added to supply equal amounts of neutral detergent fiber (NDF) ∼21% and TiO2. The daily feed allocation was based on 4% BW. Feed intake (FI) was monitored daily, and grab excreta samples were taken on d 16 and 17...
January 6, 2018: Poultry Science
https://www.readbyqxmd.com/read/29323210/anticancer-potentiality-of-lignan-rich-fraction-of-six-flaxseed-cultivars
#3
Shahira M Ezzat, Samia A Shouman, Abeer Elkhoely, Yasmin M Attia, Mohamed S Elsesy, Amira S El Senousy, Mouchira A Choucry, Sabah H El Gayed, Abeer A El Sayed, Essam Abdel Sattar, Nebal El Tanbouly
The objective of our study is to highlight the therapeutic effect and mechanism of action by which purified Flaxseed hydrolysate (PFH) which is a lignan rich fraction exerts its anticancer activity on a human breast cancer cell line (T47D) and in mice bearing tumor. HPLC analysis of PFH of six flaxseed cultivars had shown that PFH of the cultivar Giza 9 (PFH-G9) contains the highest concentration of SDG (81.64 mg/g). The in vitro cytotoxic potentiality of PFH's of six flaxseed cultivars was screened against a panel of human cancer cell lines...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29319533/flax-stems-from-a-specific-architecture-to-an-instructive-model-for-bioinspired-composite-structures
#4
Christophe Baley, Camille Goudenhooft, Marianne Gibaud, Alain Bourmaud
The present paper proposes to carefully study and describe the reinforcement mechanisms within a flax stem, which is an exceptional natural model of composite structure. Thanks to accurate microscopic investigations, with both optical and SEM method, we finely depicted the flax stem architecture, which can be view as a composite structure with an outer protection, a unidirectional ply on the periphery and a porous core; each component has a specific function, such as mechanical reinforcement for the unidirectional ply and the porous core...
January 10, 2018: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/29297347/differential-gene-expression-in-response-to-fusarium-oxysporum-infection-in-resistant-and-susceptible-genotypes-of-flax-linum-usitatissimum-l
#5
Alexey A Dmitriev, George S Krasnov, Tatiana A Rozhmina, Roman O Novakovskiy, Anastasiya V Snezhkina, Maria S Fedorova, Olga Yu Yurkevich, Olga V Muravenko, Nadezhda L Bolsheva, Anna V Kudryavtseva, Nataliya V Melnikova
BACKGROUND: Flax (Linum usitatissimum L.) is a crop plant used for fiber and oil production. Although potentially high-yielding flax varieties have been developed, environmental stresses markedly decrease flax production. Among biotic stresses, Fusarium oxysporum f. sp. lini is recognized as one of the most devastating flax pathogens. It causes wilt disease that is one of the major limiting factors for flax production worldwide. Breeding and cultivation of flax varieties resistant to F...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297314/evolution-of-blue-flowered-species-of-genus-linum-based-on-high-throughput-sequencing-of-ribosomal-rna-genes
#6
Nadezhda L Bolsheva, Nataliya V Melnikova, Ilya V Kirov, Anna S Speranskaya, Anastasia A Krinitsina, Alexey A Dmitriev, Maxim S Belenikin, George S Krasnov, Valentina A Lakunina, Anastasiya V Snezhkina, Tatiana A Rozhmina, Tatiana E Samatadze, Olga Yu Yurkevich, Svyatoslav A Zoshchuk, Аlexandra V Amosova, Anna V Kudryavtseva, Olga V Muravenko
BACKGROUND: The species relationships within the genus Linum have already been studied several times by means of different molecular and phylogenetic approaches. Nevertheless, a number of ambiguities in phylogeny of Linum still remain unresolved. In particular, the species relationships within the sections Stellerolinum and Dasylinum need further clarification. Also, the question of independence of the species of the section Adenolinum still remains unanswered. Moreover, the relationships of L...
December 28, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/29283436/storage-stability-of-egg-sticks-fortified-with-omega-3-fatty-acids
#7
Elizabeth Smith, Sarah K Beamer, Kristen E Matak, Jacek Jaczynski
BACKGROUND: Egg sticks fortified with omega-3-polyunsaturated-fatty-acids (ω-3 PUFAs) were developed by replacing egg yolk with salmon, algae, and flax oils. Egg sticks were cooked before analysis. Quality indicators for storage stability under different packaging and temperature were determined throughout a 28-day storage. Egg sticks were vacuum and non-vacuum packed. Further, both packaging treatments were divided into two storage temperatures of 4 and 10°C. Quality indicators were determined every seven days, including pH, syneresis, texture, color, microbial growth, proximate composition, fatty acid profile, and lipid oxidation...
December 28, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29277026/the-cinnamyl-alcohol-dehydrogenase-family-in-flax-differentiation-during-plant-growth-and-under-stress-conditions
#8
Marta Preisner, Wioleta Wojtasik, Kamil Kostyn, Aleksandra Boba, Tadeusz Czuj, Jan Szopa, Anna Kulma
Cinnamyl alcohol dehydrogenase (CAD), which catalyzes the reduction of cinnamaldehydes to their alcohol derivatives, is represented by a large family of proteins. The aim of the study was to identify the CAD isoforms in flax (Linum usitatissimum L.) - LuCADs - and to determine their specificity to enhance knowledge of the mechanisms controlling cell wall lignification in flax under environmental stresses. On the basis of genome-wide analysis, we identified 15 isoforms (one in two copies) belonging to three major classes of the CAD protein family...
December 13, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29245428/two-replacement-names-of-the-genus-group-of-micronoctuini-and-a-new-species-of-the-genus-i-tentaxus-i-han-amp-kononenko-from-sabah-east-malaysia-lepidoptera-erebidae-hypenodinae-taxonomic-study-of-micronoctuini-contribution-i
#9
H L Han, V S Kononenko
Two replacement names of the genus group in Micronoctuini (Lepidoptera, Erebidae, Hypenodinae), Tentaxus nom. nov. pro Tentax Fibiger 2011 (unavailable name) and Flaxus nom. nov. pro Flax Fibiger 2011 (unavailable name) are proposed; 43 new conbinations (comb. nov.) are stated. A new species T. zhangweiweii Han & Kononenko, sp. nov. is described from Borneo (Sabah, East Malaysia).
December 5, 2017: Zootaxa
https://www.readbyqxmd.com/read/29221437/evolutionary-characterization-and-transcript-profiling-of-%C3%AE-tubulin-genes-in-flax-linum-usitatissimum-l-during-plant-development
#10
Floriana Gavazzi, Gaia Pigna, Luca Braglia, Silvia Gianì, Diego Breviario, Laura Morello
BACKGROUND: Microtubules, polymerized from alpha and beta-tubulin monomers, play a fundamental role in plant morphogenesis, determining the cell division plane, the direction of cell expansion and the deposition of cell wall material. During polarized pollen tube elongation, microtubules serve as tracks for vesicular transport and deposition of proteins/lipids at the tip membrane. Such functions are controlled by cortical microtubule arrays. Aim of this study was to first characterize the flax β-tubulin family by sequence and phylogenetic analysis and to investigate differential expression of β-tubulin genes possibly related to fibre elongation and to flower development...
December 8, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29170736/transcriptome-landscape-at-different-developmental-stages-of-a-drought-tolerant-cultivar-of-flax-linum-usitatissimum
#11
Prasanta K Dash, Rhitu Rai, Ajay K Mahato, Kishor Gaikwad, Nagendra K Singh
No abstract text is available yet for this article.
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29146906/qtl-mapping-and-molecular-characterization-of-the-classical-d-locus-controlling-seed-and-flower-color-in-linum-usitatissimum-flax
#12
Gurudatt Pavagada Sudarshan, Manoj Kulkarni, Leonid Akhov, Paula Ashe, Hamid Shaterian, Sylvie Cloutier, Gordon Rowland, Yangdou Wei, Gopalan Selvaraj
The flowers of flax (linseed) are blue-hued, ephemeral and self-pollinating, and the seeds are typically brown. A century-old interest in natural yellow seed variants and a historical model point to recessive alleles in B1, D and G loci being responsible, but the functional aspects had remained unknown. Here, we characterized the "D" locus by quantitative trait loci (QTL) mapping and identified a FLAVONOID 3'5' HYDROXYLASE (F3'5'H) gene therein. It does not belong to the F3'5'H clade, but resembles biochemically characterized F3'Hs (flavonoid 3' hydroxylase) but without F3'H activity...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#13
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29117103/development-and-physico-chemical-characterization-of-a-shea-butter-containing-lipid-nutrition-supplement-for-sub-saharan-africa
#14
Elizabeth M Sloffer, Shashank Gaur, Nicki J Engeseth, Juan E Andrade
Lipid-based nutrient supplements (LNS) are used to prevent and treat moderate and severe acute malnutrition, a leading cause of mortality in children-under-five. The physical and chemical changes of two new LNS products were evaluated before and after accelerated shelf life testing (ASLT) according to protocols suggested by the U.S. Agency for International Development (USAID) and Doctors without Borders and compared against USAID's A-20 paste as a control. LNS formulas containing Shea butter from the Shea nut tree (Vitellaria paradoxa), a common fat source in parts of Sub-Saharan Africa, with and without flax-seed oil, as a source of omega-3 fatty acids, were developed...
November 8, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29112793/effect-of-partially-replacing-a-barley-based-concentrate-with-flaxseed-based-products-on-the-rumen-bacterial-population-of-lactating-holstein-dairy-cows
#15
E Castillo-Lopez, J Moats, N D Aluthge, H A Ramirez Ramirez, D A Christensen, T Mutsvangwa, G B Penner, S C Fernando
AIMS: The effects of partial replacement of a barley-based concentrate with flaxseed-based products on the rumen bacterial population of lactating Holstein dairy cows were evaluated. METHODS AND RESULTS: Treatments fed were CONT, a normal diet that included barley silage, alfalfa hay, and a barley-based concentrate that contained no flaxseed or faba beans; FLAX, inclusion of a non-extruded flaxseed-based product containing 55.0% flaxseed, 37.8% field peas and 6...
November 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29111245/environmental-performance-of-straw-based-pulp-making-a-life-cycle-perspective
#16
Mingxing Sun, Yutao Wang, Lei Shi
Agricultural straw-based pulp making plays a vital role in pulp and paper industry, especially in forest deficient countries such as China. However, the environmental performance of straw-based pulp has scarcely been studied. A life cycle assessment on wheat straw-based pulp making in China was conducted to fill of the gaps in comprehensive environmental assessments of agricultural straw-based pulp making. On average, the global warming potential (GWP), GWP excluding biogenic carbon, acidification potential and eutrophication potential of wheat straw based pulp making are 2299kg CO2-eq, 4550kg CO2-eq, 16...
October 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29104570/characterization-of-bacterial-and-fungal-community-dynamics-by-high-throughput-sequencing-hts-metabarcoding-during-flax-dew-retting
#17
Christophe Djemiel, Sébastien Grec, Simon Hawkins
Flax dew-retting is a key step in the industrial extraction of fibers from flax stems and is dependent upon the production of a battery of hydrolytic enzymes produced by micro-organisms during this process. To explore the diversity and dynamics of bacterial and fungal communities involved in this process we applied a high-throughput sequencing (HTS) DNA metabarcoding approach (16S rRNA/ITS region, Illumina Miseq) on plant and soil samples obtained over a period of 7 weeks in July and August 2014. Twenty-three bacterial and six fungal phyla were identified in soil samples and 11 bacterial and four fungal phyla in plant samples...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29100992/antagonism-of-the-kappa-opioid-receptor-attenuates-thc-induced-place-aversions-in-adult-male-sprague-dawley-rats
#18
Matthew M Clasen, Shaun M Flax, Briana J Hempel, Kejun Cheng, Kenner C Rice, Anthony L Riley
RATIONALE: Prior research with transgenic mice in which the kappa opioid receptor (KOR) has been suppressed or activated suggests that the aversive effects of THC are mediated by activity of this receptor subtype. If the activity of the KOR system is responsible for mediating the THC's aversive effects, then selective antagonism of the KOR by norBNI should block such aversive effects. To test this hypothesis, rats were pretreated with norBNI 24h prior to place conditioning with THC to assess its effect on the acquisition of THC-induced place aversions...
October 31, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29050605/isolation-of-cellulose-ii-nanospheres-from-flax-stems-and-their-physical-and-morphological-properties
#19
Jérémy Astruc, Malladi Nagalakshmaiah, Gaétan Laroche, Michel Grandbois, Saïd Elkoun, Mathieu Robert
In this study, cellulose-II nanospheres (CNS) were extracted from flax fibers and analyzed to understand the crystalline, functional and morphological properties by means of X-ray Diffraction (X-RD), Fourier Transform Infrared (FT-IR) and Scanning Electron Microscopy (SEM). FT-IR and SEM results indicate the effective removal of extractives, lignin and hemicellulose. X-RD results clearly show the transformation from cellulose-I to cellulose-II during the mercerization process. Further, the resulting cellulose fibers were treated with sulfuric acid in order to obtain cellulose nanospheres (CNS)...
December 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28993783/genetic-variability-of-27-traits-in-a-core-collection-of-flax-linum-usitatissimum-l
#20
Frank M You, Gaofeng Jia, Jin Xiao, Scott D Duguid, Khalid Y Rashid, Helen M Booker, Sylvie Cloutier
Assessment of genetic variability of plant core germplasm is needed for efficient germplasm utilization in breeding improvement. A total of 391 accessions of a flax core collection, which preserves the variation present in the world collection of 3,378 accessions maintained by Plant Gene Resources of Canada (PGRC) and represents a broad range of geographical origins, different improvement statuses and two morphotypes, was evaluated in field trials in up to 8 year-location environments for 10 agronomic, eight seed quality, six fiber and three disease resistance traits...
2017: Frontiers in Plant Science
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