نتایج جستجو برای: marine fungal chitosan

تعداد نتایج: 162629  

Journal: :Zoonoses and public health 2012
T B Waltzek G Cortés-Hinojosa J F X Wellehan Gregory C Gray

Marine mammals evoke strong public affection as well as considerable scientific interest. However, the resultant close contact with marine wildlife poses human health risks, including traumatic injury and zoonotic disease transmission. The majority of zoonotic marine mammal diseases result in localized skin infections in man that resolve spontaneously or with appropriate medical therapy. Howeve...

2016
Pragati Agarwal Swati Dubey Mukta Singh Rajesh P. Singh

Tyrosinase (EC 1.14.18.1) a copper-containing monooxygenase, isolated from a fungal isolate Aspergillus niger PA2 was subjected for immobilization onto a composite consisting of chitosan and gelatin biopolymers. The homogeneity of the chitosan-gelatin biocomposite film was characterized by X-ray diffraction analyses. To evaluate immobilization efficiency, chitosan-gelatin-Tyr bio-composite film...

2013
Gayatri R. Nambiar K. Raveendran

Mangrove ecosystem is well known for the productivity. Fungi play an important role in the nutritive cycle and support the mangrove ecosystem. In the present investigation the authors tries to elucidate marine fungi in selected mangrove ecosystem of North Malabar region of Kerala. 30 marine fungi including 19 Ascomycetes, 1 Basidiomycete and 10 Mitosporic fungi were encountered. Backwater suppo...

Journal: :Journal of Polymer Research 2022

Abstract Derivatives of formyl pyrazole were synthesized by the reaction acetophenone, 4-methyl 3-acetyl furan, thiophen and phenyl hydrazine derivatives. The product was treated with Vilsmeier reagent producing different derivatives which characterized FT-IR, 1HNMR, Elemental analysis Mass spectroscopy. reacted chitosan to produce chitosan/ Schiff base. These bases FT-IR TGA.The antimicrobial ...

2016
Sankaralakshmi Gomathysankar Ahmad Sukari Halim Nik Soriani Yaacob Norhayati Mohd Noor Mohaini Mohamed

Adipose-derived stem cells (ASCs) have potential applications in the repair and regeneration of various tissues and organs. The use of various scaffold materials as an excellent template for mimicking the extracellular matrix to induce the attachment and proliferation of different cell types has always been of interest in the field of tissue engineering because ideal biomaterials are in great d...

2015
María-Pilar Sánchez-Sánchez Araceli Martín-Illana Roberto Ruiz-Caro Paulina Bermejo María-José Abad Rubén Carro Luis-Miguel Bedoya Aitana Tamayo Juan Rubio Anxo Fernández-Ferreiro Francisco Otero-Espinar María-Dolores Veiga Hitoshi Sashiwa

Vaginal formulations for the prevention of sexually transmitted infections are currently gaining importance in drug development. Polysaccharides, such as chitosan and carrageenan, which have good binding capacity with mucosal tissues, are now included in vaginal delivery systems. Marine polymer-based vaginal mucoadhesive solid formulations have been developed for the controlled release of acycl...

Journal: :European Food Research and Technology 2022

Chitosan is a promising antimicrobial agent available in the beverage industry, because it ensures control of wide range spoilage microorganisms. As chitosan does not alter characteristics fermented beverages, nowadays widely employed wine sector. In this work, an exhaustive chemical characterization 12 commercial chitosans was performed accordance with OIV methods. These analyses made possible...

2016
David J. Newman

In this short review, I am discussing the relatively recent awareness of the role of symbionts in plant, marine-invertebrates and fungal areas. It is now quite obvious that in marine-invertebrates, a majority of compounds found are from either as yet unculturable or poorly culturable microbes, and techniques involving "state of the art" genomic analyses and subsequent computerized analyses are ...

2016
Wei Li Mengmeng Wang Xiaomeng Bian Jiajia Guo Lei Cai

The intertidal region is one of the most dynamic environments in the biosphere, which potentially supports vast biodiversity. Fungi have been found to play important roles in marine ecosystems, e.g., as parasites or symbionts of plants and animals, and as decomposers of organic materials. The fungal diversity in intertidal region, however, remains poorly understood. In this study, sediment samp...

Journal: :Molecules 2016
Nadia Ruocco Susan Costantini Stefano Guariniello Maria Costantini

Carbohydrates, also called saccharides, are molecules composed of carbon, hydrogen, and oxygen. They are the most abundant biomolecules and essential components of many natural products and have attracted the attention of researchers because of their numerous human health benefits. Among carbohydrates the polysaccharides represent some of the most abundant bioactive substances in marine organis...

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