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https://www.readbyqxmd.com/read/29157149/stabilized-landfill-leachate-treatment-using-guadua-amplexifolia-bamboo-as-source-of-activated-carbon-kinetics-study
#1
Bianka G Salas-Enríquez, Aidé M Torres-Huerta, Eloy Conde-Barajas, Miguel A Domínguez-Crespo, María L X Negrete-Rodríguez, Héctor J Dorantes-Rosales, Ana B López-Oyama
In the present study, the characteristics of leachate generated from dumpsite called "Zapote" located in southern region of Tamaulipas, Mexico were evaluated. The adsorption of non-biodegradable organic matter measured as chemical oxygen demand (COD), color and heavy metals from leachate on activated carbon prepared in acid media from Guadua amplexifolia bamboo has been studied. In addition, the computation of kinetic parameters during the adsorption process as well as the most probable mechanisms was determined...
November 20, 2017: Environmental Technology
https://www.readbyqxmd.com/read/29145119/amine-functionalized-magnetic-bamboo-based-activated-carbon-adsorptive-removal-of-ciprofloxacin-and-norfloxacin-a-batch-and-fixed-bed-column-study
#2
Xiaoming Peng, Fengping Hu, Tao Zhang, Fengxian Qiu, Hongling Dai
Amine-functionalized magnetic bamboo-based activated carbon (AFM-BAC) derived from bamboo products wastes were employed for effective adsorption of fluoroquinolone antibiotics ciprofloxacin (CIP) and norfloxacin (NOR) through batch processing. The effects of factors on the adsorption of both antibiotics were studied. The studies of various factors influencing the adsorption behavior indicated that the maximum adsorption capacities for two antibiotics adsorption were observed in weakly acidic condition and the adsorption amounts of two antibiotics increased with the increase of zwitterionic form, implying the importance of zwitterionic form, and the adsorption process is spontaneous and endothermic...
November 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29134738/fungal-community-reveals-less-dispersal-limitation-and-potentially-more-connected-network-than-that-of-bacteria-in-bamboo-forest-soils
#3
Xian Xiao, Yuting Liang, Sai Zhou, Shunyao Zhuang, Bo Sun
A central aim of current microbial ecology research is to investigate the mechanisms shaping the assembly of soil microbial communities. Despite the importance of bacterial and fungal mediation of carbon cycling in forest ecosystems, knowledge concerning their distribution patterns and underlying mechanisms remains insufficient. Here, soils were sampled from six bamboo forests across the main planting area of Moso bamboo in southern China. The bacterial and fungal diversities were assessed by sequencing 16S rRNA and ITS gene amplicons, respectively, with an Illumina MiSeq...
November 13, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29132316/genome-wide-analysis-and-transcriptomic-profiling-of-the-auxin-biosynthesis-transport-and-signaling-family-genes-in-moso-bamboo-phyllostachys-heterocycla
#4
Wenjia Wang, Lianfeng Gu, Shanwen Ye, Hangxiao Zhang, Changyang Cai, Mengqi Xiang, Yubang Gao, Qin Wang, Chentao Lin, Qiang Zhu
BACKGROUND: Auxin is essential for plant growth and development. Although substantial progress has been made in understanding auxin pathways in model plants such as Arabidopsis and rice, little is known in moso bamboo which is famous for its fast growth resulting from the rapid cell elongation and division. RESULTS: Here we showed that exogenous auxin has strong effects on crown and primary roots. Genes involved in auxin action, including 13 YUCCA (YUC) genes involved in auxin synthesis, 14 PIN-FORMED/PIN-like (PIN/PILS) and 7 AUXIN1/LIKE-AUX1 (AUX1/LAX) members involved in auxin transport, 10 auxin receptors (AFB) involved in auxin perception, 43 auxin/indole-3-aceticacid (AUX/IAA) genes, and 41 auxin response factors (ARF) involved in auxin signaling were identified through genome-wide analysis...
November 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29124068/effects-of-variety-and-postharvest-handling-practices-on-microbial-population-at-different-stages-of-the-value-chain-of-fresh-tomato-solanum-lycopersicum-in-western-terai-of-nepal
#5
Ram B Khadka, Madan Marasini, Ranjana Rawal, Durga M Gautam, Antonio L Acedo
Background. Fresh vegetables such as tomato should have low microbial population for safe consumption and long storage life. The aerobic bacterial count (ABC) and coliform bacterial count (CBC), yeast, and mold population are the most widely used microbial indicators in fresh vegetables which should be lower than 4 log CFU g(-1) for safe consumption. The stages of the supply chain, postharvest handling methods, and crop varieties had significant effects on microbial population. ABC, CBC, yeast, and mold population were significantly highest (P < 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29120398/bamboo-polylactic-acid-pla-composite-material-for-structural-applications
#6
Angel Pozo Morales, Alfredo Güemes, Antonio Fernandez-Lopez, Veronica Carcelen Valero, Sonia De La Rosa Llano
Developing an eco-friendly industry based on green materials, sustainable technologies, and optimum processes with low environmental impact is a general societal goal, but this remains a considerable challenge to achieve. Despite the large number of research on green structural composites, limited investigation into the most appropriate manufacturing methodology to develop a structural material at industrial level has taken place. Laboratory panels have been manufactured with different natural fibers but the methodologies and values obtained could not be extrapolated at industrial level...
November 9, 2017: Materials
https://www.readbyqxmd.com/read/29119104/usefulness-of-computed-tomography-image-processing-by-osirix-software-in-detecting-wooden-and-bamboo-foreign-bodies
#7
Shinpei Matsuda, Hitoshi Yoshimura, Hisato Yoshida, Takashi Ryoke, Takashi Yoshida, Naoyuki Aikawa, Kazuo Sano
Objective: The aim of this study was to evaluate the usefulness of reconstructed computed tomography (CT) images using OsiriX software in detecting wooden and bamboo foreign bodies. Methods: Four sizes of wet and dry wooden and bamboo foreign bodies were selected to be analyzed. Those in the air and in the head of edible swine were scanned with a multidetector row CT scanner. The images were evaluated with OsiriX software in the bone and the abdomen window setting as unprocessed images...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29118571/crashworthiness-design-for-bionic-bumper-structures-inspired-by-cattail-and-bamboo
#8
Tao Xu, Nian Liu, Zhenglei Yu, Tianshuang Xu, Meng Zou
Many materials in nature exhibit excellent mechanical properties. In this study, we evaluated the bionic bumper structure models by using nonlinear finite element (FE) simulations for their crashworthiness under full-size impact loading. The structure contained the structural characteristics of cattail and bamboo. The results indicated that the bionic design enhances the specific energy absorption (SEA) of the bumper. The numerical results showed that the bionic cross-beam and bionic box of the bionic bumper have a significant effect on the crashworthiness of the structure...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/29115743/survivability-of-low-pathogenic-h9n2-avian-influenza-virus-in-water-in-the-presence-of-atyopsis-moluccensis-bamboo-shrimp
#9
A P Pathak, H V Murugkar, S Nagarajan, R Sood, C Tosh, M Kumar, C K Athira, A Praveen
Low pathogenic avian influenza virus (LPAIV) exhibits an ecological climax with the aquatic ecosystem. The most widely prevalent subtype of LPAIV is H9N2. Wild aquatic birds being the natural reservoirs and ducks, the "Trojan horses" for Avian Influenza Virus (AIV), can contaminate the natural water bodies inhabited by them. The virus can persist in the contaminated water from days to years depending upon the environmental conditions. Various aquatic species other than ducks can promote the persistence and transmission of AIV; however, studies on the role of aquatic fauna in persistence and transmission of avian influenza virus are scarce...
November 8, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29114438/assessment-of-fine-scale-resource-selection-and-spatially-explicit-habitat-suitability-modelling-for-a-re-introduced-tiger-panthera-tigris-population-in-central-india
#10
Mriganka Shekhar Sarkar, Ramesh Krishnamurthy, Jeyaraj A Johnson, Subharanjan Sen, Goutam Kumar Saha
Background: Large carnivores influence ecosystem functions at various scales. Thus, their local extinction is not only a species-specific conservation concern, but also reflects on the overall habitat quality and ecosystem value. Species-habitat relationships at fine scale reflect the individuals' ability to procure resources and negotiate intraspecific competition. Such fine scale habitat choices are more pronounced in large carnivores such as tiger (Panthera tigris), which exhibits competitive exclusion in habitat and mate selection strategies...
2017: PeerJ
https://www.readbyqxmd.com/read/29110195/a-transposition-active-phyllostachys-edulis-long-terminal-repeat-ltr-retrotransposon
#11
Mingbing Zhou, Linlin Liang, Heikki Hänninen
Due to infrequent sexual reproduction, moso bamboo breeding by hybridization is extremely technically difficult. Insertional mutagenesis based on endogenous active transposons may thus serve as an alternative method to create new germplasm of moso bamboo. In the present study, using LTR-STRUC, a full-length intact long terminal repeat (LTR) retrotransposon was identified in the moso bamboo genome and was named PHRE2 (Phyllostachys edulis retrotransposon 2). The 5' and 3' LTR sequences of PHRE2 were highly (98...
November 6, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/29107552/feeding-ecology-and-morphology-make-a-bamboo-specialist-vulnerable-to-climate-change
#12
Jussi T Eronen, Sarah Zohdy, Alistair R Evans, Stacey R Tecot, Patricia C Wright, Jukka Jernvall
Animals with dietary specializations can be used to link climate to specific ecological drivers of endangerment. Only two mammals, the giant panda (Ailuropoda melanoleuca) in Asia and the greater bamboo lemur (Prolemur simus) in Madagascar, consume the nutritionally poor and mechanically challenging culm or trunk of woody bamboos [1-3]. Even though the greater bamboo lemur is critically endangered, paleontological evidence shows that it was once broadly distributed [4, 5]. Here, integrating morphological, paleontological, and ecological evidence, we project the effects of climate change on greater bamboo lemurs...
November 6, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/29103712/enrichment-of-probiotic-ice-cream-with-different-dietary-fibers-structural-characteristics-and-culture-viability
#13
A S Akalın, H Kesenkas, N Dinkci, G Unal, E Ozer, O Kınık
This study evaluated the effect of 5 dietary fibers (apple, orange, oat, bamboo, and wheat) on the physicochemical, rheological, and textural characteristics; sensory properties; and culture viability of probiotic ice cream stored at -18°C for 180 d. The presence of orange and apple fibers increased the titratable acidity, decreased the lightness (color) value of the ice creams, and enhanced the red and yellow coloration. Compared with the control sample, the consistency indices and apparent viscosities of the experimental samples increased with the addition of all dietary fibers except oat fiber...
November 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29103519/porous-nanoplatelets-wrapped-carbon-aerogels-by-pyrolysis-of-regenerated-bamboo-cellulose-aerogels-as-supercapacitor-electrodes
#14
Xi Yang, Benhua Fei, Jianfeng Ma, Xinge Liu, Shumin Yang, Genlin Tian, Zehui Jiang
Herein NaOH/urea aqueous solution was assisted to dissolve bamboo cellulose fibers for the fabrication of porous nanoplatelets wrapped carbon aerogel as an economic and sustainable way in application of supercapacitor. The architecture displayed favorable features, such as a large specific surface area and a great flexibility of 86% at stress of 23kPa. The effects of the KOH activation on the morphology and porous texture of cellulose carbon aerogel were further investigated and correlated with their electrochemical behavior...
January 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29093706/nuclear-encoded-plastidal-carbonic-anhydrase-is-involved-in-replication-of-bamboo-mosaic-virus-rna-in-nicotiana-benthamiana
#15
I-Hsuan Chen, April Y Tsai, Ying-Ping Huang, I-Fan Wu, Shun-Fang Cheng, Yau-Heiu Hsu, Ching-Hsiu Tsai
On inoculation of Nicotiana benthamiana with Bamboo mosaic virus (BaMV), a gene with downregulated expression was found involved in the infection cycle of BaMV. To uncover how this downregulated gene affects the accumulation of BaMV in plants, we used loss- and gain-of-function experiments. Knockdown of this gene decreased the accumulation of BaMV coat protein to approximately 60% in both plants and protoplasts of N. benthamiana but had no effect on Potato virus X and Cucumber mosaic virus infection. The full-length gene was cloned and revealed as an N...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29091609/improving-the-efficiency-of-small-angle-x-ray-scattering-computed-tomography-using-the-osem-algorithm
#16
Tao Hu, Yudan Wang, Guohao Du, Yuzhu Wang, Wenqiang Hua, Biao Deng, Honglan Xie, Fenggang Bian, Tiqiao Xiao
Small-angle x-ray scattering computed tomography (SAXS-CT) is a nondestructive method for the nanostructure analysis of heterogeneous materials. However, the limits of a long data acquisition time and vast amounts of data prevent SAXS-CT from becoming a routine experimental method in the applications of synchrotron radiation. In this study, the ordered subsets expectation maximization (OSEM) algorithm is introduced to improve the efficiency of SAXS-CT. To demonstrate the practicability of this method, a systematic simulation and experiments were carried out...
October 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/29090659/economic-analysis-of-a-hypothetical-bamboo-biochar-plant-in-zhejiangprovince-china
#17
Tao Zhang, Fang Liang, Wanhe Hu, Xiaomeng Yang, Hongzhong Xiang, Ge Wang, Benhua Fei, Zhijia Liu
Significant quantities of bamboo waste are generated in Zhejiang province, China. Many small businesses in this area convert this waste to biochar for use as a cooking fuel (in residential barbecues). This case study was conducted to evaluate the potential economic benefits of building and operating an industrial-sized plant in this province, yielding 500 tonnes per year. The researchers developed a conceptual design for a hypothetical biochar plant and then calculated net present value (NPV), investment payback period (PBP), internal rate of return (IRR), and sensitivity analysis...
October 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/29078359/reverse-chemical-ecology-olfactory-proteins-from-the-giant-panda-and-their-interactions-with-putative-pheromones-and-bamboo-volatiles
#18
Jiao Zhu, Simona Arena, Silvia Spinelli, Dingzhen Liu, Guiquan Zhang, Rongping Wei, Christian Cambillau, Andrea Scaloni, Guirong Wang, Paolo Pelosi
The giant panda Ailuropoda melanoleuca belongs to the family of Ursidae; however, it is not carnivorous, feeding almost exclusively on bamboo. Being equipped with a typical carnivorous digestive apparatus, the giant panda cannot get enough energy for an active life and spends most of its time digesting food or sleeping. Feeding and mating are both regulated by odors and pheromones; therefore, a better knowledge of olfaction at the molecular level can help in designing strategies for the conservation of this species...
October 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29077967/cellular-and-molecular-characterizations-of-a-slow-growth-variant-provide-insights-into-the-fast-growth-of-bamboo
#19
Qiang Wei, Chen Jiao, Yulong Ding, Shan Gao, Lin Guo, Ming Chen, Pei Hu, Sujuan Xia, Guodong Ren, Zhangjun Fei
Few studies about bamboo naturally occurring mutants have been reported so far. Using an integrated anatomy, mathematics and genomics approach, we systematically characterized the cellular and molecular basis underlying the abnormal internode development of Pseudosasa japonica var. tsutsumiana, a stable variant with dwarf and swollen internodes that are caused by the compressed spiral growth and the swollen cells in the bottom part of the internode. P. japonica var. tsutsumiana is a slow-growth variant with disorderly cell division and cell growth during the fast growth stage...
October 25, 2017: Tree Physiology
https://www.readbyqxmd.com/read/29075279/antiviral-roles-of-abscisic-acid-in-plants
#20
REVIEW
Mazen Alazem, Na-Sheng Lin
Abscisic acid (ABA) is a key hormone involved in tuning responses to several abiotic stresses and also has remarkable impacts on plant defense against various pathogens. The roles of ABA in plant defense against bacteria and fungi are multifaceted, inducing or reducing defense responses depending on its time of action. However, ABA induces different resistance mechanisms to viruses regardless of the induction time. Recent studies have linked ABA to the antiviral silencing pathway, which interferes with virus accumulation, and the micro RNA (miRNA) pathway through which ABA affects the maturation and stability of miRNAs...
2017: Frontiers in Plant Science
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