跳轉至內容
Merck
全部照片(1)

文件

937657

Sigma-Aldrich

Chitosan

new

biomedical research grade, high molecular weight

同義詞:

Deacetylated chitin, Poly(D-glucosamine)

登入查看組織和合約定價


About This Item

線性公式:
(C6H11O4N)n
CAS號碼:
分類程式碼代碼:
12352142

品質等級

描述

suitable for biomedical research applications

形狀

powder or chunks (or Fibers)

分子量

>300 kDa

雜質

<10 CFU/g Aerobic microbes
<10 CFU/g Yeast
<100 EU/g Endotoxin

顏色

white to off-white

一般說明

Introducing a sustainably sourced high-quality chitosan, a remarkable product that combines sustainability with exceptional performance. Chitosan is a naturally occurring compound derived from chitin, which is found in the exoskeletons of crustaceans such as shrimp, crabs, and lobsters. It is produced by deacetylating chitin through a chemical process. Chitosan is characterized by its unique properties such as biodegradability, biocompatibility, and a positive charge due to the presence of amino groups. With its eco-friendly sourcing, this chitosan provides a high degree of reprodubility with undetectable protein and contaminants due to the fully-controlled system, making it an excellent choice for various industries.

應用

Biomedical Research: Chitosan has been investigated for its potential in tissue engineering, wound healing, drug delivery systems, and regenerative medicine. Researchers have explored chitosan-based scaffolds, nanoparticles, hydrogels, and films for applications in tissue regeneration, wound dressings, controlled drug release, and more.

Drug Delivery Research: Chitosan has been studied as an excipient in drug formulations, particularly for improving drug stability, solubility, and targeted drug delivery. Its mucoadhesive properties make it useful in oral drug delivery systems, nasal formulations, and gastrointestinal drug delivery.

Biotechnology: Chitosan has been researched for its antimicrobial properties and its potential use as a natural preservative in various food and cosmetic products. It has also been explored for its ability to encapsulate enzymes, antibodies, and other biologically active molecules, allowing controlled release and protection of these compounds.

Environmental Research: Chitosan has been investigated for applications in environmental remediation, such as water and wastewater treatment. Its ability to bind with heavy metals and organic contaminants has made it a subject of research for purifying water sources and removing pollutants.

Agricultural Research: Chitosan has been studied for its potential in agricultural applications. It has been researched as a biopesticide, plant growth promoter, and crop protection agent. Chitosan′s role in enhancing plant growth, disease resistance, and improving soil health has been of interest to researchers.

Biocompatible Materials: Chitosan′s biocompatibility and biodegradability have made it a subject of research for developing biocompatible materials, such as coatings, films, and scaffolds for various applications in tissue engineering, regenerative medicine, and biosensing.

特點和優勢

Some of the key properties of chitosan include:

Biodegradability: Chitosan is a biodegradable material, meaning it can break down naturally over time into non-toxic byproducts. This property makes chitosan environmentally friendly and reduces its impact on ecosystems. It also makes it advantageous in various biomedical engineering applications such as tissue engineering and regenerative medicine.

Biocompatibility: Chitosan is generally considered biocompatible, meaning it is well-tolerated by living organisms without eliciting significant immune responses or toxic effects. This property makes chitosan suitable for use in various biomedical and pharmaceutical R&D applications.

Mucoadhesion: Chitosan exhibits mucoadhesive properties, meaning it can adhere to mucosal surfaces such as the lining of the gastrointestinal tract or the nasal cavity. This property makes chitosan useful for targeted drug delivery, as it can prolong the contact time and enhance the absorption of drugs at specific sites.

Antimicrobial Activity: Chitosan exhibits inherent antimicrobial properties, including antibacterial and antifungal activities. It can disrupt the cell walls of microorganisms, inhibiting their growth and survival. This property makes chitosan valuable for applications such as wound dressings.

Film-Forming: Chitosan has the ability to form films and coatings when applied to surfaces. These films provide barrier properties, protecting against moisture loss, microbial contamination, and oxidative damage. Chitosan films find applications in wound healing, packaging, and cosmetic formulations.

Chelation and Metal Binding: Chitosan has the capability to chelate or bind to metal ions, such as heavy metals. This property makes it useful for water treatment applications, where chitosan can help remove heavy metal contaminants from water sources.

Gelation and Hydrogel Formation: Chitosan can undergo gelation and form hydrogels when combined with appropriate crosslinking agents or under specific conditions. These hydrogels have applications in controlled drug delivery, tissue engineering, and wound healing, providing a 3D matrix for cellular growth and drug release.

Promotes sustainability: By choosing our sustainably source chitosan, you contribute to sustainable sourcing practices and reduce your environmental impact.

For research use only.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號,寫有 ‘Lot’或‘Batch’.。

已經擁有該產品?

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

Chitosan based bioadhesives for biomedical applications: A review
Hamedi H
Carbohydrate Polymers, 282, 119100-119100 (2022)
Chitosan?A versatile semi-synthetic polymer in biomedical applications
Dash M
Progress in Polymer Science, 36, 981-1014 (2011)
Chitin and chitosan in selected biomedical applications
Anitha A
Progress in Polymer Science, 39, 1644-1667 (2014)
Advances in chitosan-based hydrogels for pharmaceutical and biomedical applications: A comprehensive review
Almajidi Y Q
International Journal of Biological Macromolecules, 253, 127278-127278 (2023)
Regeneration Approach to Enhance the Antimicrobial and Antioxidant Activities of Chitosan for Biomedical Applications
Panda P K
Polymers, 15(1), 132-132 (2023)

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務