Ultraviolet germicidal irradiation

Introduction A hydrogel is a jelly-like material made of a network of polymer chains capable of absorbing a significant amount of water; enough to make water constitute 40 to 90% of the material’s weight. Hydrogels have numerous applications but among their most noteworthy are those related to the medical field.1 Numerous hydrogels exhibit a high degree of biocompatibility, making them particularly suitable for controlled and sustained release drug formulations.1,2 The wide variety of hydrogels…

Beach season is just around the corner and people are searching for the best sunscreens that are non-toxic and safe for the entire family to minimize their risk of sunburns, sun overexposure, and skin cancer. The problem is that sunscreens are not created equally, not all are non-toxic and safe for your family. The Environmental Working Group (EWG) actually discovered that 72 percent of the sunscreens tested consists of harmful ingredients or has insufficient sun protection. There’s no perfect…

Cosmetics: The Unmentionable Effects on the Body and the Brain Waking up hours earlier, an American college student applies make-up to her face to get ready for the day. Applying makeup has become an essential part of many men and women’s morning routine, and many people cannot imagine their lives without it. Cosmetics are defined by experts as anything that will change your physical appearance or body odor. Cosmetics have been around for hundreds of years for the prime purpose to enhance a…

Race is a fairly new concept getting it 's roots during the Renaissance.Chapter five of Our Origins covers the idea of race. Moving into the 1700s, an anatomist by the name of Johann Friedrich Blumenbach began to categorize humans he encountered during his travels into different races. The process for forming his taxonomy of the people he encountered was based on skin color and skull shape. His conclusions stated that there were five different races of people and also argued that these races…

Melanotan 1 (melanotan) Melanotan I is a synthetic polypeptide which is an analogue of the natural peptide hormone, Apha-MSH (Alpha-Melanocyte stimulating hormone) which naturally occurs within the human body and plays the role of triggering melanogenesis. Melanogenesis is the process by which peptides lead to pigmentation of the skin, hair and eyes, and leads to the tanning process hence it is very essential in the protection of the skin against the harmful UV (ultra violet) radiation which…

everyone to remain younger in their lives. Most skin changes have been linked to ageing which is unavoidable. The main cause of an ageing skin is strong UV rays from the sun and not eating healthy. 1. Avoid sun A skin is a soft external tissue that Ultraviolet (UV) rays can easily penetrate. The skin is support to protect the internal tissues from any damage externally; therefore more care should be done on it. If the sun rays penetrate, it will damage the fibers which are elastic which keep the…

99%of the ultraviolet radiation that reaches the earth’s surface is UVA. These rays come from the sun to the earth and go through our skin. Some times they give pain, some times they don’t but they can go deep and hurt us. When bare skin is exposed to sunlight, most skin will either burn or tan. The amount of UV rays reaching the Earth changes during the day. The danger period is between 10am and 3pm. When there is no cloud in the sky, we can feel maximum ultraviolet rays. Ultraviolet levels…

In our young age, our skin is soft and supple, and we always want it to remain that way. But certain factors like aging, smoking, pollution, exposure to sun and chemicals, gradually damage the skin. Aging comes inevitably with time, which slowly puts wrinkles, takes away the skin moisture what causes sagging skin. Aging is an inevitable process undoubtedly, but with essential vitamins and supplements included in the diet, its adverse effects can be prevented or delayed. In order to feel younger…

The concept of diversity encompasses the acceptance and respect of each individual. This means recognizing and understanding that everyone is unique. However many people fear the diversity in our society because of their prejudice towards dissimilarity. Our differences include our ethnicity, culture, socio-economic status, and languages. Firstly, ethnicity is a concept in its self. It includes skin pigment and heritage. Some people don’t want to marry someone different because they worry that…

Hunter Baker Furlong 1 FF Health Skin Cancer Skin cancer is cancer cause from sun's ultraviolet rays when you are exposed to them too much. Skin cancer is the abnormal growth of skin cells. Also don't be tricked you can get skin cancer on areas of the body not exposed to the sun, and no skin color does not change if you can get this type of cancer or not. There are 3 main types of skin cancer but also 5 other kinds that are rare and cause only 1% of all skin cancer with the 5 combined.…