نتایج جستجو برای: nanocellulose

تعداد نتایج: 1213  

Journal: :Soft matter 2018
Matthieu Fumagalli Julien Berriot Benoit de Gaudemaris Anne Veyland Jean-Luc Putaux Sonia Molina-Boisseau Laurent Heux

Rubber materials with well-dispersed fillers and large mechanical reinforcement have been obtained by melt-processing a diene elastomer matrix and tailored nanocellulose powders having both a high specific surface area and a modified interface. Such filler powders with a specific surface area of 180 m2 g-1 and 100 m2 g-1 have been obtained by freeze-drying suspensions of short needle-like cellu...

2015
Adam Rees Lydia C Powell Gary Chinga-Carrasco David T Gethin Kristin Syverud Katja E Hill David W Thomas

Nanocellulose has a variety of advantages, which make the material most suitable for use in biomedical devices such as wound dressings. The material is strong, allows for production of transparent films, provides a moist wound healing environment, and can form elastic gels with bioresponsive characteristics. In this study, we explore the application of nanocellulose as a bioink for modifying fi...

2017
Jia Mao Hatem Abushammala Hubert Hettegger Thomas Rosenau Marie-Pierre Laborie

Imidazole is reported to be an effective reactant for the production of nanocellulose from hardwood pulp. The morphologies and surface properties of the nanocellulose can be simply tailored according to the water content in the imidazole system: with pure imidazole, cellulose nanofibrils (CNFs) in a yield of 10 wt % can be produced. With 25 wt % of water in imidazole, cellulose nanocrystals (CN...

ژورنال: طلوع بهداشت یزد 2015
حکمتی مقدم, سید حسین, شهدادی ساردو, حسین, یاسینی, سید علی ,

Introduction: Fumonisin B1 is a mycotoxin which can lead to neural defects, esophageal cancer, liver and kidney diseases. The aim of this study was to investigate the ability of nanocellulose conjugated with poly-lysine to remove fumonisin B1 in the different foodstuffs. Methods: First, nanocellulose was synthesized by acid hydrolysis, modified by citric acid, and conjugated with poly-lysine b...

2017
Shuji Fujisawa Eiji Togawa Katsushi Kuroda

Pickering emulsion, which is an emulsion stabilized by solid particles, offers a wide range of potential applications because it generally provides a more stable system than surfactant-stabilized emulsion. Among various solid stabilizers, nanocellulose may open up new opportunities for future Pickering emulsions owing to its unique nanosizes, amphiphilicity, and other favorable properties (e.g....

2015
Douglas Henrique Milanez Ed C. M. Noyons

Advances concerning publication-level classification system have been demonstrated striking results by dealing properly with emergent, complex and interdisciplinary research areas, such as nanotechnology and nanocellulose. However, less attention has been paid to propose a delineation procedure using specific subjects and understand how it could provide interesting regards about it. This study ...

2017
Jingda Wu Lih Y. Lin

Conventional approaches to flexible optoelectronic devices typically require depositing the active materials on external substrates. This is mostly due to the weak bonding between individual molecules or nanocrystals in the active materials, which prevents sustaining a freestanding thin film. Herein we demonstrate an ultrathin freestanding ZnO quantum dot (QD) active layer with nanocellulose st...

Journal: :Biomaterials 2015
Héctor Martínez Ávila Eva-Maria Feldmann Mieke M Pleumeekers Luc Nimeskern Willy Kuo Willem C de Jong Silke Schwarz Ralph Müller Jeanine Hendriks Nicole Rotter Gerjo J V M van Osch Kathryn S Stok Paul Gatenholm

Tissue engineering provides a promising alternative therapy to the complex surgical reconstruction of auricular cartilage by using ear-shaped autologous costal cartilage. Bacterial nanocellulose (BNC) is proposed as a promising scaffold material for auricular cartilage reconstruction, as it exhibits excellent biocompatibility and secures tissue integration. Thus, this study evaluates a novel bi...

2015
Mazlita Yahya Hwei Voon Lee Sharifah Bee Abd Hamid

Nanocellulose was successfully prepared from microcrystalline cellulose (MCC) via nickel salt-catalyzed hydrolysis under mild reaction conditions of 45 °C for 15 min. The mild acid nickel salt-catalyzed hydrolysis was able to selectively depolymerize the amorphous regions of cellulose and retain its crystalline region, thus improving the crystallinity of the treated product at the nanoscale up ...

ژورنال: طلوع بهداشت یزد 2016
حکمتی مقدم, سید حسین, غفوری بیداخویدی, مصطفی, یاسینی اردکانی, سیدعلی,

Abstract Introdction: Patulin is a dangerous toxin produced by various fungi. Hence, the current study aimed to evaluate adsorption of Patulin by nanocellulose conjugated with Poly-guanine in contaminated apple juice. Methods: Firstly, nanocellulose was synthesized, and then it was bonded to poly-guanine by a cross-linker. Then, concentration serial of Patulin was prepared in the apple ju...

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