Małgorzata Wyciszkiewicz, Agnieszka Saeid^*, Katarzyna Chojnacka

Journal of Renewable Materials, Vol.5, Suppl.1, pp. 39-52, 2017, DOI:10.7569/JRM.2017.634132

Abstract The aim of this work was to evaluate the effects of using B. megaterium in solubilization of phosphates from different secondary raw materials, such as fish bones, poultry bones, ashes and phosphorite, by identification of the effect of different doses of phosphorus-bearing materials on the growth of microbial cells and the effectiveness of the solubilization process. Both FTIR as well as SEM-EDX techniques were used to compare the effect of the acids on renewable phosphorus source. Two doses of mentioned materials were used: 2 and 30 g/L. The effect of solubilization was expressed as the solubilization More >

Kun Li, Xiaona Li, Jing Luo, Jingjing Li, Qiang Gao^*, Jianzhang Li^*

Journal of Renewable Materials, Vol.5, Suppl.1, pp. 31-38, 2017, DOI:10.7569/JRM.2017.634131

Abstract The objective of this study was to use soybean meal and 1,4-butanediol diglycidyl ether (BDDE) to develop a highly water-resistant, soy-based bioadhesive for plywood fabrication. The physical properties and performance characteristics of the resulting adhesive, including solid content, viscosity, water resistance, crystallinity, fracture morphology, thermal behavior, and cracks, were evaluated. The proposed adhesive was compared against the traditional soy adhesive with polyamidoamine-epichlorohydrin (PAE). Results showed that adding 8 g of BDDE into the adhesive formulation improved the solid content up to 32.83% and reduced the viscosity to 27340 mPa·s. The wet shear strength of plywood More >

Wenjie Dong, Chenlu Wang, Minyan Gu, Long Yang, Zheng Shen^*, Yalei Zhang^*

Journal of Renewable Materials, Vol.5, Suppl.1, pp. 22-30, 2017, DOI:10.7569/JRM.2017.634126

Abstract Lactic acid can not only be used to produce multiple chemicals, but can also be the building block for biodegradable and biocompatible polylactic acid identified as a renewable resource. As a by-product in biodiesel production, the glycerol yield increases with a rapid expansion of biodiesel. However, in the chemical and environmental fields it is still a great challenge to produce lactic acid or methyl lactate from glycerol. Herein, Sn-Beta zeolite was prepared through solid-state ion exchange (Sn-Beta SSIE) and was tested for base-free one-pot catalytic selective oxidation of glycerol into methyl lactate in methanol. The More >

Taein Ohm^1*, Jongseong Chae¹, Younghyo Kim¹, Seunghyun Moon²

Journal of Renewable Materials, Vol.5, Suppl.1, pp. 13-21, 2017, DOI:10.7569/JRM.2017.634127

Abstract With the dramatic increase in the quantity of organic wastes, economic and environmentally friendly technologies are urgently required for reducing the volume of sludge and remediating its harmful impacts. In this study, drying experiments were performed on sludge through fry-drying technology and the characteristics of the resulting fuels were investigated to identify proper methods for treating sewage sludge, wastewater sludge, swine excreta, and food waste and converting them into fuels. The four types of organic wastes were fry-dried, and the best drying conditions were found to be 140 °C for 8 min for sewage sludge More >

C. K. Ranaweera¹, M. Ionescu², N. Bilic², X. Wan², P. K. Kahol³, Ram K. Gupta^1,2*

Journal of Renewable Materials, Vol.5, Suppl.1, pp. 1-12, 2017, DOI:10.7569/JRM.2017.634105

Abstract Biobased polyol was synthesized using 1-thioglycerol and limonene, an extract of orange peel, via thiol-ene chemistry as an alternative to petrochemical-based polyol for preparation of rigid polyurethane foams (RPFs). Fire-retardant polyurethane foams were prepared by addition of different amounts of dimethyl methyl phosphonate (DMMP) in the polyol. The effect of DMMP on the properties of RPFs was studied. All the biobased RPFs maintained a regular cell structure with uniform cell distribution and over 90% of closed cell. The RPFs showed excellent compressive strength of ~230 kPa without addition of DMMP. These RPFs almost retained their… More >

Semerdjieva IB¹, EP Yankova-Tsvetkova²

Phyton-International Journal of Experimental Botany, Vol.86, pp. 318-324, 2017, DOI:10.32604/phyton.2017.86.318

Abstract Scanning electron microscope (SEM) study of the pollen and seed morphology of Peganum harmala L. and Zygophyllum fabago L. (Zygophyllaceae), in native Bulgarian populations, was carried out. Additionally, a light microscope (LM) investigation on pollen grains was made in order to elucidate the peculiarities of the major parameters of pollen surface and size. It was established that pollen grains in Z. fabago are pantoporate. Exine ornamentation is reticulate. The pollen grains of P. harmala are oblate, spheroidal, elongated, oval in shape, colporate, exine striato-rugulate. The seeds of P. harmala are oblong-oval and slightly flattened at the side (incorrect tetrahedral to More >

Antuna Grijalva O¹, SA Rodríguez Herrera¹, A Espinoza Banda¹, P Cano Ríos¹, G Llaven Valencia², JL Coyac Rodríguez¹, A González Torres¹, DG Reta Sánchez³, M Mendoza Elos⁴, E Andrio Enríquez⁴

Phyton-International Journal of Experimental Botany, Vol.86, pp. 246-251, 2017, DOI:10.32604/phyton.2017.86.246

Abstract Knowledge of the genetic components of agronomic traits is an important factor to characterize landraces of maize to make them useful in plant breeding programs. The objective of this work was to know the genetic action and combining ability of several agronomic traits of five maize races and their crosses. Maize landraces analyzed were Jala, Tuxpeño, Celaya, Pepitilla and Dulce. Plant height, days to male and female flowering date after planting, and dry matter and grain yields were recorded. Those variables showed highly significant differences among genotypes. With the exception of dry matter yield, the More >

Xie LB¹, X Wang¹, M Peng², Y Zhou¹, LX Chen¹, LX Liu³, YL Gao¹, YH Guo¹

Phyton-International Journal of Experimental Botany, Vol.86, pp. 236-245, 2017, DOI:10.32604/phyton.2017.86.236

Abstract Hot pepper (Capsicum annuum L.) is an important crop all over the world. To explore and identify differentially expressed proteins of hot pepper after space flight, three space-induced mutants (Y1, Y2 and Y3), which obtained new traits after space flight compared with their control lines (W1 and W2), were analyzed using comparative proteome analysis. In this study, leaf morphological characteristics of five kinds of hot pepper variations were evaluated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Results showed that obvious changes of cellular structure were seen in space induced mutants. Thirty nine out More >

Ataei R¹, M Gholamhoseini¹, M Kamalizadeh²

Phyton-International Journal of Experimental Botany, Vol.86, pp. 228-235, 2017, DOI:10.32604/phyton.2017.86.228

Abstract Understanding the genetic control of traits associated with yield helps breeders to utilize their germplasm in a more efficient and consistent manner and to make good choices in breeding programs. The current study was carried out to study the genetic control of some quantitative traits in bread wheat (Triticum aestivum L.) and to examine plant responses under full irrigation and drought stress conditions. For this purpose, six generations derived from a cross between two lines (Bezostaya as tolerant parent and 518 as a susceptible parent) were evaluated for grain yield (GY), plant height (PH), peduncle (PL)… More >

Rodríguez-Pérez JE, J Sahagún-Castellanos, JL Escalante-González, JJ López-Reynoso, C V illanueva-Verduzco

Phyton-International Journal of Experimental Botany, Vol.86, pp. 224-227, 2017, DOI:10.32604/phyton.2017.86.224

Abstract Synthetic varieties (SVs) have been assumed to be genetically stable populations through generations. However, it has been recognized that the randomness of the genetic mechanism, the presence of parents with heterozygous genotypes, and the finite sample sizes of the individuals that represent each parent of a SV may cause gene loss, which may make it difficult to obtain the expected genotypic array of a given SV. To study this issue, the number of non-identical by descent (NIBD) genes in the sample of m plants of each parental line was considered as a random variable (Ym).… More >