Sat, 03/11/2023 - 22:23

March 13, 2023

Fermentation of carbohydrates presents in a food by oral bacteria results in a decrease in the pH of plaque and demineralization of enamel and finally formation of dental caries. Streptococcus mutans (S.mutans) is considered to be the principal bacterium causing tooth decay in humans. Glucosyltransferases (GTFs) from Streptococcus mutans bacteria play critical roles in the development of virulent dental plaque (ferment carbohydrates that decrease pH of plaque leading to tooth enamel demineralization), which provides an ideal site for colonization by microorganisms and is involved in the development of dental cavities.

March 1, 2023

Staphylococcus aureus is a commensal microbe that often causes wound infections. It is a multidrug-resistant organism that colonizes skin, wounds, the nose, the perineum, and the throat, leading to infections in various organs. MRSA is opportunistic and commonly infects wounds, which can lead to impetigo, cellulitis, cutaneous abscesses, or even life-threatening complications such as necrotizing fasciitis and pyomyositis. Approximately one in ten hospital admissions worldwide results in hospital-acquired infections and of these 8% are caused by MRSA.

Syzygium aromaticum, commonly called clove, (family-Myrtaceae), is indigenous to the islands of Indonesia. It is now cultivated worldwide as a flavoring agent, for medicinal purposes, and for use in perfumes. It is widely used as a food preservative due to its antimicrobial properties. Besides its antimicrobial properties, antioxidant, analgesic, anesthetic, anti-inflammatory, and insecticidal activity, it is also used for preventing degenerative diseases because of its antioxidant effects. Clove bud oil is a common healing agent for wounds and burns in traditional medicine. Clove oil has been reported to possess several biological activities, including antibacterial, anti-inflammatory, analgesic, antioxidant, fungicidal, and antitumor activities.

August 31, 2022.

Environmental pollution associated with heavy metals has been of global concern over many decades. These heavy metals are natural components of the environment but high rate of industrialization has been responsible for their wider diffusion and dispersal in the environment. Cadmium as a heavy metal has received considerable concern environmentally and occupationally as it has longer half-life and low rate of excretion making its level in the environment to increase.