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A Novel Chitosan/Nano-Hydroxyapatite Composite for the Adsorptive Removal of Cd(II) from Aqueous Solution.A novel polymer bio-composite finded on nano-hydroxyapatite (n-Hap) and chitosan (CS) (CS/n-Hap) was synthesized to effectively address toxic cadmium ions removal from water. The composition and structure of CS/n-Hap bio-composite were analysed through different characterization techniques. XRD formulas substantiated that the crystalline structure of n-Hap stayed unaltered during CS/n-Hap synthesis, while FT-IR spectrum sustained all the characteristic apexs of both CS and n-Hap, affirming the successful synthesis of CS/n-Hap. Adsorption works, including pH, adsorbent dosage, contact time, initial Cd(II) concentration, and temperature, were carried out to explain and understand the adsorption mechanism. Comparatively, CS/n-Hap bio-composite displayed better Cd(II) adsorption capacity than pristine CS, with an experimental maximum uptake of 126 mg/g under optimised conditions.
In addition, the kinetic data were well suited to the pseudo-second-order model, suggesting the formation of chemical attachments between Cd(II) and CS/n-Hap during adsorption the thermodynamic study suggested that Cd(II) adsorption onto CS/n-Hap was endothermic and spontaneous. The regeneration study registered only about a 3% loss in Cd(II) uptake by CS/n-Hap after five consecutive rhythms a simple and facile approach was here developed to synthesize an eco-friendly and cost-effective material that can be successfully used for the removal of toxic heavy metal ions from water.Chitosan-Based Nano-Smart Drug Delivery System in Breast Cancer Therapy.Despite recent advances, cancer rests the primary killer on a global scale. Numerous forms of research have been dealed to discover novel and efficient anticancer medicaments. The complexity of breast cancer is a major challenge which is mated with patient-to-patient mutations and heterogeneity between cells within the tumor. Revolutionary drug delivery is looked to provide a solution to that challenge.
Chitosan nanoparticles (CSNPs) have expectations as a revolutionary delivery system capable of enhancing anticancer drug activity and reducing negative encroachments on normal cells. The use of smart drug delivery organizations (SDDs) as ceding fabrics to improve the bioactivity of NPs and to understand the elaborations of breast cancer has collected significant interest. There are many reviews about CSNPs that present various heads of view, but they have not yet delineated a series in cancer therapy from cell uptake to cell death. With this description, we will provide a more complete picture for projecting preparednessses for SDDs. This review identifies CSNPs as SDDSs, enhancing cancer therapy pointing and stimulus response applying their anticancer mechanism. Multimodal chitosan SDDs as pointing and stimulus response medication delivery will improve therapeutic results.Synthesis and Characterization of Hydrogel-finded Hyaluronic Acid-Chitosan-Allium sativum Extract for Intraperitoneal Antiadhesion Application.
Peritoneal Adhesion is a severe case that frequently occurs in patients after laparotomy surgery. bonds are pathological attachment that usually appears between the omentum, intestine, and abdominal wall. Several barriers are made to prevent bonds, including liquid roadblocks such as sodium hyaluronate and carboxymethyl cellulose (CMC) but are fast engaged-time hydrogel. The solid barrier has weakness of difficulty in covering all components of the wound surface. The study aims to synthesize degradable hydrogel from N,O-Carboxymethyl Chitosan (NOCC), Aldehyde-Hyaluronic Acid, and the addition of Allium sativum (garlic oil). The best sample with the concentration of A-HA/NOCC 30 : 10 g/ml was geted. The composite hydrogel of NOCC/AHA/Allium sativum has susceptible antimicrobial attributes.
In vitro cytotoxicity checks presented that hydrogel is nontoxic. The degradation time is for two workweeks. The in vivo evaluation in a mouse model with an abrasion defect side was done to identify the effectiveness of the NOCC/AHA/A. sativum as antiperitoneal adhesion. Seven days after surgery, the observation of adhesion was performed. grinded on all assay answers, it can be restarted that the NOCC/AHA/A.