Preparation of Skin Powder and Skin Extracts*

Skin preparation and permeation experiments

First, excised human skin obtained from abdominal plastic surgery is prepared for storage. In this procedure, the subcutaneous fatty tissue is separated from the outer skin layers, namely the epidermis and the dermis by a scalpel. Second, the epidermis is separated from the underlying dermis by a heat-separation technique. The separated epidermis will be used for subsequent permeation experimen...

Comparison of Latex Skin Test Extracts

Background: Crude latex extracts are commonly used in skin prick tests (SPT) for the diagnosis of natural rubber latex (NRL) allergy. Nevertheless, variations in protein and allergen composition between latex extracts from different manufacturers can hamper a correct diagnosis. Objectives: To analyze the heterogeneity of proteins and allergens in latex extracts from 7 different manufacturers an...

Antimicrobial activity of aqueous and methanolic extracts of pomegranate fruit skin

Objective: Punica granatum, commonly known as pomegranate, has emerged as a medicinal plant with potential antimicrobial activity. The present study was planned to evaluate this activity against both Gram positive Staphylococcus aureus (S. aureus) and negative Pseudomonas aeruginosa (P. aeruginosa) bacteria as well as against pathogenic yeast, Candida albicans (C. albicans). Material and Metho...

Isolation and in vitro cultivation of human skin Keratinocytes and preparation of epidermal sheet

Comparison of Skin Erythema and Melanin Level in Sulfur Mustard Induced Chronic Skin Lesions and Normal Skin

Background: Sulfur mustard gas is a chemical agent that has been used in many wars, especially in Iran-Iraq war. This chemical agent affects many organs including lungs, eyes and skin, causing numerous acute and chronic lesions including erythema and hyperpigmentation, respectively. This study was conducted to evaluate erythema and melanin in subjects with a history of exposure to sulfur ...