Design, Development and Evaluation of Solubility Enhancement of Efavirenz by Solid Dispersion Technique | Chapter 5 | Current Overview on Pharmaceutical Science Vol. 9

 The new alive ingredients are mainly poorly soluble in water; their oral bioavailability and solubility wait the most main criteria for drug formulations. Solid dispersion methods have attracted great interest to boost the dissolution rate of well lipophilic drugs. They improve their bioavailability by lowering particle amount, improving wettability, and forming nebulous particles. Use of individual or more carriers for dimensional dispersion. Hydrophilic ships that carry airplanes are used in the formulation of a complete dispersion. The poorly water-dissolved drug comes into contact with a hard carrier or allure solution. In the formulation of tablets and capsules, these types of drugs are questioning. Various techniques are secondhand for solid dispersal. Efavirenz is a (NNRTI) non-nucleoside reverse transcriptase inhibitor used for the situation of HIV (human immunodeficiency virus) type I. Soluble in intoxicating, ethanol, and dichloromethane, nearly insoluble in water. Efavirenz is top-secret as a BCS class II medication. The aim of the present work search out improve the solubility of Efavirenz by fitting its dependable dispersion accompanying polymers PVP and HPMC using solvent dissolution technique. The results show that the drug accompanying PVP as polymer increases the dissolution rate distinguished to the drug with HPMC.

Author(s) Details:

Aafreen,
Department of Pharmacy, Shri Ram Murti Smarak College of Engineering and Technology, Bareilly, India.

Please see the link here: https://stm.bookpi.org/COPS-V9/article/view/10170

Study on Synthesis of Some Azo Disperse Dyes from 1-Substituted 2-Hydroxy-6-pyridone Derivatives and Their Colour Assessment on Polyester Fabric | Chapter 2 | Recent Progress in Science and Technology Vol. 5

 A order of 3-(p-substituted phenylazo)-6-pyridone dyes that can be used to dye polyester structures are created, and its combination is discussed. Various solvent were used to analyse the dyes' visible absorption ranges, and it was discovered that the compounds liquid displayed an evenness between hydrazone and common anion. The photoelectric absorption ranges cover a λmax range of 404 -464 nm in DMF at uniformly extreme absorption force between 5.33 × 104 - 8.55 × 104 l•mol–1•cm–1 and gave sunny intense hues of yellow to combination of red and yellow on polyester fabrics. The dyes have excellent exhaustion between 72% and 79% for polyester structures, are more intense, and have excellent fastness properties on polyester textures, according to calculations of the colour parameters of the dyed matters. The extraordinary level of levelness and shine after washing indicate good penetration and strong similarity of these dyes for the polyester fabric.

Author(s) Details:

Kurenkaka Johnson Sakoma,
Department of Textile Science and Technology, Ahmadu Bello University, Zaria, Nigeria.

Kasali Ademola Bello,
Department of Textile Science and Technology, Ahmadu Bello University, Zaria, Nigeria.

Mohammed Kabir Yakubu,
Department of Textile Science and Technology, Ahmadu Bello University, Zaria, Nigeria.

Please see the link here: https://stm.bookpi.org/RPST-V5/article/view/9717