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Zainab Syifa
Pág. 25
There is growing interest towards biopolymer-based nanofibres due to its superior mechanical properties and environmentally friendly functions. Chitin nanofibres may be of interest as a component for nanocomposites. Decolourisation effectively enhance th...
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Zhuo Wang, Su Bin Kang and Sung Wook Won
This study reports the recovery of Pd(II) from acid solution by a polyethylenimine (PEI)-crosslinked chitin (PEI-chitin) biosorbent. FE-SEM analysis demonstrated that there are many slot-like pores on PEI-chitin. The N2 adsorption?desorption experiment r...
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Hyeongwoo Choi, Sang Lyeol Kim, Man-Ki Jeong, Ok Hwan Yu and Seongil Eyun
Chitin, one of the most abundant biopolymers in nature, is a crucial material that provides sufficient rigidity to the exoskeleton. In addition, chitin is a valuable substance in both the medical and industrial fields. The synthesis of chitin is catalyze...
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Evgeniya A. Bezrodnykh, Oxana V. Vyshivannaya, Boris B. Berezin, Inesa V. Blagodatskikh and Vladimir E. Tikhonov
Edible crayfish are an object of local fishing and artificial breeding in many countries. This industry is very promising in terms of production of healthy foods and byproducts, such as biologically active polyaminosaccharide?chitosan and its derivatives...
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Li-Xin Ma, Rong-Tao He, Shu-Yan Yan and Wen-Jia Yang
Hormone receptor 3 (HR3), an early-late gene of the 20-hydroxyecdysone (20E) signaling pathway, plays a critical role in insect metamorphosis and development. In this study, we identified and characterized an HR3 gene (LsHR3) from the cigarette beetle, L...
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Jun Hu, He Cui, Mingsheng Hong, Yuxian Xia and Wenqing Zhang
Metarhizium anisopliae is a broad-spectrum entomopathogenic fungus with large-scale applications in pest control; however, its slow-killing action is a limiting factor. To enhance fungal virulence, we constructed transgenic M. anisopliae strains that exp...
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Noa Miguez, Peter Kidibule, Paloma Santos-Moriano, Antonio O. Ballesteros, Maria Fernandez-Lobato and Francisco J. Plou
Chitooligosaccharides (COS) are homo- or hetero-oligomers of D-glucosamine (GlcN) and N-acetyl-D-glucosamine (GlcNAc) that can be obtained by chitosan or chitin hydrolysis. Their enzymatic production is preferred over other methodologies (physical, chemi...
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Chia-Chun Lu, Hsin-Hon Lin, Ching-Han Hsu, Fu-Nien Wang, Jao-Perng Lin and Lu-Han Lai
Retrospective dosimetry is one of the most important tools of accident dosimetry for environmental dose estimation when large-scale radiological incidents and nuclear mass-casualty events occur. Electron paramagnetic resonance (EPR) dosimetry is a physic...
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Kanthan Theva Kumaran
Pág. 1
Chitosan is a natural linear biopolyaminosaccharide obtained by alkaline deacetylation of chitin. It is the principal component of the protective cuticles of crustaceans such as Tachypleus gigas (Horseshoe crab) and can be utilized as anti-microbial agen...
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Julliana Isabelle Simionato, Lucas D. G. Villalobos, Milena Keller Bulla, Fabio Augusto Garcia Coró, Juliana Carla Garcia
Pág. 693 - 698
Chitin extracted from silkworm chrysalides was used to prepare chitosan applied in this investigation. Adsorption studies were carried out in column and in aqueous suspension with two dyes, blue remazol (RN) and black remazol 5 (RB). The study showed tha...
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Andressa Caroline Neves, Cristina Zanette, Schaiana Tamara Grade, Jéssica Vanessa Schaffer, Helton José Alves, Mabel Karina Arantes
Pág. 125 - 133
Freshwater shrimp shells from the shrimp farming activity in tanks, were processed for biological extraction of chitin, by fermentation with Lactobacillus plantarum isolated from meat products, offering an advantageous demineralization and deproteination...
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Manish Kumar, Amandeep Brar, Monika Yadav, Aakash Chawade, V. Vivekanand and Nidhi Pareek
Crop cultivation is crucial for the existence of human beings, as it fulfills our nutritional requirements. Crops and other plants are always at a high risk of being attacked by phytopathogens, especially pathogenic fungi. Although plants have a well-dev...
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Dong Soo Seo, Joong Su Lee, Yong Chul Shin and Younghoon Jang
Chitosan, poly[ß-(1?4)-linked-2-amino-2-deoxy-d-glucose], is a polysaccharide with broad applications in various biomaterial and biomedical fields, primarily because of its nontoxicity. Because the biodegradable biopolymer chitosan can be catalyzed by th...
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Nurhidayah Rosli
Pág. 37
Sunscreen agents are widely used to protect the skin against sunburn, and to prevent the degradation of cosmetics products by sunlight. A good sunscreen agent contains inorganic materials such as Titanium Dioxide (TiO2) and Zinc Oxide (ZnO) also organic ...
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Xiaodong Zheng, Bin Li, Bo Zhu, Rui Kuang, Xuan Kuang, Baoli Xu and Meihu Ma
Crayfish carapace, a plentiful waste in China, was applied to remove divalent heavy metal ions?copper (Cu), cadmium (Cd), zinc (Zn), and lead (Pb)?from wastewater. The adsorption capacities of crayfish carapace micro-powder (CCM) for heavy metal ions wer...
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Tracey Somera, Mark Mazzola and Chris Cook
Currently, there are no standard management practices to counteract the adverse effects of fumigation on the soil microbiome. In this study, a variety of pre-plant soil amendments were examined for their ability to recruit and maintain apple rhizosphere ...
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Valeria De Matteis, Loris Rizzello, Mariafrancesca Cascione, Paolo Pellegrino, Jagpreet Singh, Daniela Manno and Rosaria Rinaldi
The quest for novel nanoscale materials for different applications necessitates that they are easy to obtain and have excellent physical properties and low toxicity. Moreover, considering the ongoing environmental impact of noxious chemical waste product...
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Sven Wuertz, Arne Schroeder and Konrad M. Wanka
Over the last decades, aquaculture production increased rapidly. The future development of the industry highly relies on the sustainable utilization of natural resources. The need for improving disease resistance, growth performance, food conversion, and...
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Hadi S. Al-Lami, Afrodet A. saleh, Mahir A. Jalal, Sara H. Mutasher
Pág. 1 - 10
Introduction: Chitosan is one of the natural polymers can generally consider as a biocompatible and biodegradable polycationic polymer, which has minimum immunogenicity and low cytotoxicity. Therefore, chitosan and its derivatives may represent potential...
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