نتایج جستجو برای: chitosan coating

تعداد نتایج: 53464  

2011
Xia Wang Ke-Xue Zhu Hui-Ming Zhou

In order to improve its stability and catalytic rate in flour, the immobilization of glucose oxidase (GOX) was investigated in this work. The enzyme was encapsulated in calcium alginate-chitosan microspheres (CACM) using an emulsification-internal gelation-GOX adsorption-chitosan coating method. The interaction between alginate and chitosan was confirmed by infrared spectroscopy (IR). The resul...

حسینی, مرجان السادات, زاهدی, سید مرتضی, کریمی, مهدیه,

The aim of this research was to investigate the effect of different concentrations of chitosan coating on the quality and shelf life of a local cultivar of banana. The factorial experiments of this research were conducted on a completely random basis and also replicated three times in a warehouse at 15˚C and in relative humidity of 85-90%. The treatments consisted of four chitosan concentration...

Journal: :iranian journal of microbiology 0
r kasra–kermanshahi department of biological science, alzahra university, vanak, tehran, iran. j fooladi department of biological science, alzahra university, vanak, tehran, iran. s peymanfar department of biological science, alzahra university, vanak, tehran, iran.

background and objectives : probiotics including strains of lactobacillus spp. are living microorganisms including which are beneficial to human and animals health. in this study, lactobacillus has been isolated from corn silage in a cold region of iran by anaerobic culture. materials and methods : the bacteriological and biochemical standard methods were used for identification and phenotypic ...

Journal: :Turkish Journal of Chemistry 2023

In this study, polypropylene nonwoven was coated with chitosan after being activated by oxygen/argon low-pressure plasma. The chitosan-treated sample (PP-Ch) TiO$_{2}$ nanoparticles a pad-dry method. Silver were in situ synthesized on the chitosan-TiO$_{2}$-coated chemical reduction morphology of each samples mentioned above evaluated FESEM. efficiency removal C.I. Acid Brown 248 from aqueous m...

Journal: :Tissue engineering. Part A 2009
Ana M Martins Quynh P Pham Patrícia B Malafaya Robert M Raphael F Kurtis Kasper Rui L Reis Antonios G Mikos

This work proposes the use of nonporous, smart, and stimulus responsive chitosan-based scaffolds for bone tissue engineering applications. The overall vision is to use biodegradable scaffolds based on chitosan and starch that present properties that will be regulated by bone regeneration, with the capability of gradual in situ pore formation. Biomimetic calcium phosphate (CaP) coatings were use...

Journal: :مهندسی بیوسیستم ایران 0
ابراهیم تقی نژاد کفشگری دانشجوی کارشناسی ارشد دانشگاه تربیت مدرس محمدهادی خوش تقاضا دانشیار، دانشگاه تربیت مدرس مازیار فقیه نصیری عضو هیات علمی مرکز تحقیقات و مرکبات رامسر محمدهادی موحدنژاد دانشجوی دکتری، دانشگاه تربیت مدرس

most consumers prefer natural coatings to the chemical ones to act as an enhancement of storage quality of fruits. in this research, quality of thomson oranges coated with chitosan-clay nano composite edible coating plus fungicide-wax chemical coating was compared with a non-coated sample during storage for a period of 3 months through a factorial design (3×4). orange samples were kept in a col...

2010
Jie Zhuang Qineng Ping Yunmei Song Jianping Qi Zheng Cui

The objective of this work was to evaluate the physical properties and in vivo circulation of chitosan (CH)-coated liposomes of mitoxantrone (MTO). Changes in particle size and zeta potential confirmed the existence of a coating layer on the surface of liposomes. The in vitro release of adsorbed CH from the liposomes was significantly slower than CH solution, indicating the stable interaction b...

The objective of this work was to characterize the cinnamon oil nanocapsule that contained alginate-chitosan as coating agents. In this work, cinamonn oil loaded chitosan nanoparticles (CS-alginate NP-cinamonn) are prepared by a two-step process including oil/water emulsion and ionic gelation. In this study, cinamon as a core material was nanoencapsulated with chitosan alginate at a ratio of 1:...

Journal: :Journal of microbiology and biotechnology 2010
Mohammad Ariful Islam Cheol-Heui Yun Yun-Jaie Choi Chong-Su Cho

Scientific research regarding the use of live bacterial cells for therapeutic purposes has been rapidly growing over the years and has generated considerable interest to scientists and health professionals. Probiotics are defined as essential live microorganisms which, when administered in adequate amounts, confer a health benefit on the host. Due to considerable beneficial health effects, thes...

2012
Tsung-Jen Wang I-Jong Wang Jui-Nan Lu Tai-Horng Young

PURPOSE The aim of this prospective study was to evaluate whether blending two kinds of biomaterials, chitosan and polycaprolactone (PCL), can be used as scaffold and carrier for growth and differentiation of corneal endothelial cells (CECs). METHODS A transparent, biocompatible carrier with cultured CECs on scaffold would be a perfect replacement graft. In the initial part of experiment, for...

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