Important biological molecules

Important biological molecules include carbohydrates, amino acids, proteins, lipids, nucleotides, and enzymes. Carbohydrates The carbohydrates are sugars. Carbohydrates are composed of carbon, oxygen, and hydrogen, and the carbon atoms are normally arranged in a ring, with the oxygen and hydrogen atoms linked to them. The structures of glucose, fructose, and sucrose are shown in the … Read more

Acids, alkalis and pH-in the body

Acids, alkalis, and pH: the number of hydrogen ions present in a solution is a measure of the acidity of the solution. The maintenance of the normal hydrogen ion concentration ([ H+]) within the body is an important factor in maintaining a stable environment, i.e. homeostasis. The pH scale-Acids, alkalis, and pH A standard scale for … Read more

What is rubber

The natural rubber, which is a latex of “Heaven Braziliensis,” Also, add some additives like following Activators (Eg: zinc oxide, zinc stearate), Filters (Eg: Asbestos), Vulcausing agents (Eg: sulfur), Lubricants (Eg: Thiazoles), and Softeners (Eg: Mineral oil for making of rubber. Advantages of rubber Dis-Advantages of rubber Also read: Pharmaceutical packaging material and types

Types of plastics

Types of plastics 1. Thermoplastic type These types of plastics get softened with the application of pressure and heat but regain their original shape on cooling. Eg: Nylon, Polystyrene, etc. 2. Thermosetting type These types of plastics may become flexible but do not become third on heating. they retain their shape even up to the … Read more

Types of glass

Types of glass: Glass of the following types are available commercially for making containers. Types of glass for making containers The following two types of glass are used for the preparation of containers meant for storage of parenteral preparations. Types 1 glass (Borosilicate glass or Neutral glass): It offers a high degree of hydrolytic resistance … Read more

Pharmacopoeia

pharmacopoeia

Pharmacopoeia is a term, that comes from the Greek words “pharmakon meaning drug” and “poiein meaning “make,” collectively, which means any recipe (or formula) or preparation of a drug. Briefly, about Indian pharmacopoeia. Briefly about British Pharmacopoeia British pharmacopoeia is the national Pahrmacopoeia of unites kingdom which is published annually, it consists of all quantity … Read more

Indian pharmacopoeia

Indian pharmacopoeia

Briefly about Indian pharmacopoeia The govt. of India published the Indian pharmacopoeia in 1946, which served as a supplement to British pharmacopoeia also prescribed to maintain the uniformity and chemical tests to be used to establish identity and purity. They constituted a permanent Indian pharmacopoeia committee in 1948. The first edition of Indian pharmacopoeia was … Read more