Novel Wound Dressing Material: Utilising Bio-wastes Enhanced with Spider Web and Magnifera indica (L.) Leaves Extract| Chapter 3 | Current Research Progress in Physical Science Vol. 2

 

Despite significant advancements in wound therapy, the pursuit of innovative wound dressing materials remains fervent. This study aims to analyze the physiochemical characteristics and biological performance of a novel wound dressing material. The material was synthesized using Physiologically Clotted Fibrin (PCF) and Fish Scale Collagen (FSC), bolstered by the medicinal properties of Spider Web (SW) and Ethanolic Extract of Mangifera indica (L.) (EEMI). Infrared spectroscopic analysis confirmed the presence of Type I collagen, while surface morphology revealed a smooth, uniform, and porous structure, demonstrating biocompatibility. Water absorption and porosity measurements met required standards, while antibacterial assays revealed its combat against different bacteria. Additionally, ash tests underscored its eco-friendly nature. Biocompatibility assessments with human erythrocytes showed favourable results. Haemolysis assays at various concentrations and incubation times demonstrated the material's non-haemolytic behaviour. O all, the synthesized biomaterial presents as a promising wound dressing option, boasting efficacy, cost-effectiveness, and environmental sustainability.

 

Author(s) Details

Subbukutti Veerabahu

PG Department of Physics, Bhaktavatsalam Memorial College for Women, Chennai- 600 050, India.

Umadevi Kumba Janarthanan

PG & Research Department of Biochemistry, Bhaktavatsalam Memorial College for Women, Chennai-600 050, India.

 

Please see the link:- https://doi.org/10.9734/bpi/crpps/v2/581

 

Thermal Degradation Kinetics and Morphological Analysis of Poly-vinyl-butyral Cast Films Prepared with Various Organic Solvents | Chapter 9 | Chemical and Materials Sciences: Developments and Innovations Vol. 10

Polyvinyl butyral (PVB) is an amorphous thermoplastic, produced through the reaction of polyvinyl alcohol with butyraldehyde in an acidic medium. The different groups are responsible for the physical and chemical properties of the polymer, including adhesiveness and viscoelasticity. Polyvinyl butyral (PVB) films are highly promising materials as they combine interesting thermal and structural morphology properties and in many cases coating viability. However, the polymerization ability of PVB films through solvent casting methods using different solvents is fundamentally not well understood. In this rationale, the present study demonstrates the use of Isopropanol, ethanol, methanol, and acetic acid for the development of high quality PVB films. The resulting acetic acid-based PVB film exhibits moderated thermal stability with smooth surface morphology which is an important factor in coating applications. On the other hand, ethanol-based PVB film achieves higher thermal stability relative to all other PVB films with some structural defects attributed to less impurities in the solvents. The paper shows a variety of solvents suitable with PVB for a range of applications in the coating industry. This study will pave the development of high-performance PVB cast films.

 

Author (s) Details

 

Abesach Moshalagae Motlatle
Analytical Chemistry Division, Mintek, Private Bag X3015, Randburg, 2125, South Africa.

 

Lebohang Vivacious Mokoena
Analytical Chemistry Division, Mintek, Private Bag X3015, Randburg, 2125, South Africa.

 

Please see the book here:- https://doi.org/10.9734/bpi/cmsdi/v10/4053

Electrochemical Reduction of Nitrocompound at Zinc Cathode and Surface Morphology| Chapter 9 | Recent Progress in Chemical Science Research Vol. 6

 The determinable aspects of the disintegration of phenols to the corresponding quinones have happened studied and reported in biography but there are few reports of the energetic, thermodynamic and mechanistic studies of the oxidation of phenols.This division deals with the decay of some perfumery phenols found in Indian spices by a difference of inorganic and natural oxidants using energetic methods.The burning of the perfumery isomeric phenols, Eugenol (4-Allyl-2-methoxy phenol) and Isoeugenol (2-Methoxy-4(prop-1-en-1-yl) phenol) has been carried out utilizing 1) inorganic oxidants,KBrO3,KIO3 and K2S2O8 in sour medium and 2)N-Bromosuccinimide and Sodium chloro(4-methylbenzene-1-sulfonyl)azanide (Chloramine T) in alkaline medium.These phenols are in the direction of the Indian spices,clove (Syzygium aromaticum), fruit (Myristicafragrans), Cinnamon (Cinnamomum zeylanicum) and Basil (Tulsi) (Ocimum basilium) and are used in the manufacture of perfumes,fragrances and flavouring powers.The oxidation was intentional under first order kinetic environments with respect to the oxidant ie.[oxidant]<<[phenol].For two together the phenols studied,the oxidation rate raised with phenol aggregation but decreased accompanying oxidant concentration.The sequences of decay rates of the phenols for the different oxidants has been told on the basis of their steric determinants,isomeric and structural appearance. From the variation of disintegration rate with temperature, the strength of activation and additional thermodynamic activation limits were evaluated and elucidated in terms of the microscopic dynamics of the oxidation process.Suitable backlash mechanisms have happened suggested for the burning of the phenols under study.

Author(s) Details:

S. A. Shreekanta,
Department of Chemistry, Sahyadri Science College, Kuvempu University, Shivamogga, Karnataka, India.

Please see the link here: https://stm.bookpi.org/RPCSR-V6/article/view/9256

Comprehensive Characterization of Nitrogen-Doped Zinc Oxide Thin Films Produced by Metalorganic Chemical Vapour Deposition (MOCVD) | Book Publisher International

 This study proposed to produce nitrogen doped metallic mineral oxide thin films from a low and easily reproducible forerunner. This was with a view to specify an effective link for the result of nitrogen doped metallic mineral oxide thin films that will be suitable for miscellaneous technological requests.The raw materials for the forerunner were zinc acetate and ammonium acetate. The forerunner was created from the two compounds in magnitudes (ammonium acetate to zinc acetate) of 1:9 (10%), 2:8 (20%), 3:7 (30%) and 4:6 (40%), and named as Samples B1, B2, B3 and B4 respectively. The formulations were treated powder-dry and each sample was cracked in MOCVD dethroning chamber to deposit ZnO thin films on jug substrates successfully at 420°C. The active pressure was atmospheric while compacted air was used as the one who carries or transmits something gas accompanying a flow rate of 2.5 dm3/min. The ZnO thin films located were characterized to catch their optical, fundamental, compositional and electrical possessions and surface morphology.The ocular characterization demonstrated that all the deposited thin films were over 80% see-through to the visible spectrum. Sample B1 had peak travel of 95.0% at 785nm wavelength, B2 had 96.7% peak at 970nm, B3 had 99.0% peak at 1040nm, and B4 had 93% peak at 1090nm. The ocular measurements again gave the strength bandgap of 3.27eV for Samples B2 and B3, and 3.31eV for Samples B1 and B4. The x-ray dissemination studies showed that the located thin films were amorphous, and present poorly defined peaks at 2θ=32.9° for Samples B1, B2 and B4 and at 2θ=30.6° for Sample B3. RBS calculations gave a somewhat constant (average) percentage for the three identified pieces in the thin films (zinc : oxygen : nitrogen) as 4.4 : 3.7 : 1. Thicknesses acquired through the RBS were 14.43μm for B1, 58.72μm for B2, 52.28μm for B3, and 36.09μm for B4. The sheet resistivity act the high side, but reduced a bit piercingly from B1 to B2, gradually from B2 to B3, and much more piercingly from B3 to B4. The values were 1.53 x 109 Ω/sq. for B1, 1.10 x 109 Ω/sq. for B2, 1.00 x 109 Ω/sq. for B3, and 8.00 x 107 Ω/sq. for B4. The micrographs presented extensively joined clusters of grains with few (nitrogen) gas bubbles on few of the surfaces.This study concluded that the forerunner produced maybe used to deposit doped metallic mineral oxide thin films that could again be useful in dependable state scheme fabrication, smoke sensors and anti-reflectors.

Author(s) Details:

Uchenna Sydney Mbamara,
Department of Physics, Federal University of Technology, Owerri, Imo State, Nigeria.

Please see the link here: https://stm.bookpi.org/CCNDZOTFPMCVD/article/view/8655

Biomedical Applications of Some Schiff Base Metal Complexes Containing Imidazole/Thiophene Derivatives | Chapter 5 | Current Advances in Chemistry and Biochemistry Vol. 9

 Schiff base was produced by condensing imidazole-2-carboxaldehyde with 2-amino-3-carboxyethyl-4,5-dimethyl thiophene in a 1:1 molar ratio. Schiff base complexes of CoII, NiII, CuII, and ZnII were produced and studied. Magnetic and electronic spectrum data were used to propose the complexes' shape. The thermal stability of the compounds was determined using thermal analysis. The fluorescence spectral study of the Schiff base and its CuII complex in various solvents was examined. The grain size was determined using powder XRD measurements. The surface morphology of the complexes is depicted in SEM pictures. The antibacterial and antifungal activity were tested using Kirby-disk Bauer's diffusion method. MTT assay was used to conduct in vitro anticancer investigations on a human cervical carcinoma cell line.

Author (s) Details

Dr. Sonia Mol Joseph
Department of Chemistry, Mar Ivanios College (Autonomous), Thiruvananthapuram, Kerala – 695 015, India.

R. Selwin Joseyphus
Department of Chemistry, Mar Ivanios College (Autonomous), Thiruvananthapuram, Kerala – 695 015, India.

View Book :- https://stm.bookpi.org/CACB-V9/article/view/2196