Essays about: "chitosan"

Showing result 6 - 10 of 29 essays containing the word chitosan.

1. 6. Deacetylated Hyaluronan : Exploration of deacetylation techniques for hyaluronan (oligo and polysaccharides)

   University essay from Uppsala universitet/Institutionen för materialvetenskap

   Author : Sima Mardini; Hanna Björk; Marcus Möller; Carl Lagergren; Oscar Samuelsson; [2023]
   Keywords : hyaluronic acid; deacetylated hyaluronan; N-deacetylation; re-acetylation; hydrogels;

   Abstract : Hyaluronic acid is an organic polysaccharide with a wide range of uses in medical and cosmetic industries due to its physiological properties. Crosslinked hyaluronic acid is a commonly used filler agent because of its water retention capabilities. N-deacetylation can be performed to enable new derivatives of hyaluronic acid. READ MORE

3. 7. Three-Dimensional Cartilage CultureModel – Cell Culture and Analysis ofChondrogenesis

   University essay from Örebro universitet/Institutionen för medicinska vetenskaper

   Author : Mario Zambrana; [2022]
   Keywords : ;

   Abstract : Background: Articular cartilage injuries are a major challenge in orthopedic surgery. Articular cartilage has a low metabolic activity, and it is avascular. Therefore, when injuries occur cartilage has a limited capacity to fully regenerate. READ MORE

4. 8. Activity and stability of urease enzyme molecules for on-site urea measurement in milk

   University essay from Linköpings universitet/Sensor- och aktuatorsystem

   Author : Emma Valtersson; [2022]
   Keywords : Kemisk biologi; urea i mjölk; biosensor;

   Abstract : The nitrogenous metabolite urea is an important biomarker that indicates cows’ nutritional intake. Today, determining the urea concentration from milk samples requires analysis techniques in a lab which is time-consuming and expensive. READ MORE

5. 9. Reaction Mechanism between Chitosan and Cerium(VI) Ammonium Nitrate for Production of a Greener Poly(Vinyl Acetate) Adhesive

   University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

   Author : Mårten Schollin; [2021]
   Keywords : Chitosan; Poly vinyl acetate ; Cerium IV ammonium nitrate ; Grafting; Reaction mechanism;

   Abstract : Poly(vinyl acetate) (PVAc) has a major application as an indoor wood adhesive. Low water stability is however, one of the greatest drawbacks of PVAc. By grafting PVAc from a chitosan (CS) backbone (CS-graft- PVAc) water stability of adhesive is increased while good mechanical and adhesive properties are retained. READ MORE

6. 10. Point-of-care beta-hydroxybutyrate determination for the management of diabetic ketoacidosis based on flexible laser-induced graphene electrode system

   University essay from Linköpings universitet/Sensor- och aktuatorsystem

   Author : Simon Andersson; [2021]
   Keywords : Biosensor; Hydroxybutyrate; Point-of-care; Electrochemical; Enzyme; HB; HBD; Dehydrogenase; Ketosis; Ketones; Diabetes; Immobilisation; Chitosan; Gluteraldehyde; PVB; NADH; NAD ; eHealth; Toluidine blue; Cyclic Voltammetry; Amperometry; Potentiometry; Electro Chemistry; BSA;

   Abstract : Diabetic ketoacidosis (DKA) is a life-threatening condition that can appear in patients with diabetes. High ketones in the blood lead to acidity of the blood. For DKA diagnosis and management, ketones such as hydroxybutyrate (HB) can be used to quantify the severity of the disease. READ MORE