The use of face masks is mandatory in public places many countries to slow the spread COVID-19 pandemic. In developing countries, homemade with varying techniques and fabrics are used on streets. On these fabric masks, protection against SARS-CoV-2 varies significantly. most common mask types N95, surgical nonwoven cotton masks. performance 227 different Brazil was evaluated quantify their brea...

Nonwoven fabric with cellulosic base has many Features ability to absorb biological fluids and can easily adapt for different types locations of wounds, which made it common unique in surgical dressing. The study aimed To design samples one layer two layers nonwoven fabrics the inner deep endoscopic wound dressings control fluid leakage. 100% cotton, viscose, viscose/polyester (70:30) % were us...