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The pricing of pharmaceutical products in India is a multi-layered and highly regulated process, designed to balance the interests of the end consumer, pharmaceutical manufacturers, distributors, and the government. The Drugs Price Control Order (DPCO) 2013, issued by the National Pharmaceutical Pricing Authority (NPPA) under the Essential Commodities Act, 1955, provides a comprehensive framework for…
The Drugs Price Control Order (DPCO) is one of the most significant regulatory instruments in India, functioning as a cornerstone in the nation’s endeavor to make medicines affordable and accessible to the general public. It is an order issued under the Essential Commodities Act, 1955, and its primary objective is to regulate the prices of…
Introduction The study of phytoconstituents, particularly terpenoids like citral, holds immense importance in the field of phytochemistry and natural product pharmacology. Citral is a lemon-scented aldehyde widely distributed in the essential oils of several medicinal and aromatic plants. It is primarily known for its flavoring, fragrance, and therapeutic applications in the food, cosmetic, and pharmaceutical…
Introduction to Immunoglobulins Immunoglobulins (Ig), commonly known as antibodies, are glycoprotein molecules produced by B-lymphocytes (B-cells) and plasma cells in response to the presence of antigens. They are essential components of the adaptive immune system, functioning as the humoral arm of immunity. Immunoglobulins are crucial for recognition, neutralization, and elimination of pathogens including bacteria, viruses,…
Introduction to Immunity The term immunity is derived from the Latin word immunitas, meaning “freedom from” or “exemption.” In biological terms, immunity refers to the ability of a living organism to resist or eliminate invading infectious agents, foreign particles, and harmful substances. It is a complex, highly organized defense system involving a network of specialized…
1. Introduction The Polymerase Chain Reaction (PCR) is a groundbreaking molecular biology technique that enables the selective amplification of a specific DNA sequence from a tiny amount of starting genetic material. This technique was developed by Kary Mullis in 1983, for which he was awarded the Nobel Prize in Chemistry in 1993. PCR has revolutionized…
Applications of Recombinant DNA Technology and Genetic Engineering in the Production of Interferon, Vaccines (Hepatitis B), and Hormones (Insulin) Recombinant DNA (rDNA) technology and genetic engineering have transformed modern medicine by enabling the large-scale production of therapeutic biomolecules that were once rare, costly, or difficult to extract from natural sources. By manipulating genetic material in…
1. Introduction Recombinant DNA (rDNA) technology represents one of the most transformative advances in modern biological science. It involves the artificial recombination of genetic material from different sources to create new DNA sequences that can be inserted into host organisms for expression. This process allows scientists to modify the genetic blueprint of organisms, giving rise…
Introduction The field of genetic engineering and molecular biology has revolutionized the biological sciences, enabling scientists to manipulate genetic material for research, industrial, agricultural, and therapeutic applications. Central to this manipulation are three essential tools — cloning vectors, restriction endonucleases, and DNA ligase. Together, these molecular instruments form the backbone of recombinant DNA (rDNA) technology,…
Definition of Microparticles Microparticles are small, solid particles typically ranging from 1 to 1000 microns in diameter. These particles can be composed of a variety of materials such as polymers, lipids, proteins, or ceramics. Microparticles are often used in drug delivery systems, biomedical applications, and other industrial purposes. The core function of microparticles is to…
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