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Mesotrione is a selective herbicide used mainly in maize crops. [1] It is a synthetic compound inspired by the natural substance leptospermone found in the bottlebrush tree Callistemon citrinus . It inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD) [ 3 ] and is sold under brand names including Callisto and Tenacity.
Figure 1.0 - Basic anatomical features of the human eye. Ophthalmic drug administration is the administration of a drug to the eyes, most typically as an eye drop formulation. Topical formulations are used to combat a multitude of diseased states of the eye. These states may include bacterial infections, eye injury, glaucoma, and dry eye. [1]
Leptospermone can be synthesized from phloroglucinol by a reaction with 3-methylbutanenitrile (isovaleronitrile) in the presence of a zinc chloride catalyst. . Phloroisovalerone imine is produced which is then alkylated with iodomethane after initial treatment with sodium ethoxide and methanol to produce an intermediate which is treated with aqueous hydrochloric acid resulting in ...
A medical professional administering nose drops Instillation of eye drops. A topical medication is a medication that is applied to a particular place on or in the body. Most often topical medication means application to body surfaces such as the skin or mucous membranes to treat ailments via a large range of classes including creams, foams, gels, lotions, and ointments. [1]
Credé prophylaxis is the practice of washing a newborn's eyes with a 2% silver nitrate solution to protect against neonatal conjunctivitis caused by Neisseria gonorrhoeae, thereby preventing blindness. [1] The Credé procedure was developed by the German physician Carl Siegmund Franz Credé who implemented it in his hospital in Leipzig in 1880 ...
Antibiotic ointment is typically applied to the newborn's eyes within 1 hour of birth as prevention for gonococcal ophthalmia. [3] This practice is recommended for all newborns and most hospitals in the United States are required by state law to apply eye drops or ointment soon after birth to prevent the disease. [4] [5]
Warm compresses, antibiotic eye ointment [5] [6] A stye , also known as a hordeolum , is a bacterial infection of an oil gland in the eyelid . [ 4 ] This results in a red tender bump at the edge of the eyelid.
Dibrompropamidine is an antiseptic and disinfectant. [1] As dibrompropamidine isethionate, it is used in eyedrops and ointment for the treatment of minor eye and eyelid infections in adults and children. In the UK, such preparations are sold under the brand names Brolene (Aventis Pharma), Golden Eye (Typharm Ltd), and Brulidine (Manx Healthcare).