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Total dissolved solids (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form. TDS are often measured in parts per million (ppm). TDS in water can be measured using a digital meter.
Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. [1] The colloid is coloured usually either wine red (for spherical particles less than 100 nm) or blue-purple (for larger spherical particles or nanorods). [2]
Metal allergies inflame the skin after it has been in contact with metal. They are a form of allergic contact dermatitis. They are becoming more common, as of 2021, except in areas with regulatory countermeasures. People may become sensitized to certain metals by skin contact, usually by wearing or holding consumer products (including non-metal ...
Chrysiasis is a dermatological condition induced by the parenteral administration of gold salts, usually for the treatment of rheumatoid arthritis. [1]: 859–60 Such treatment has been superseded as the best practice for treating the disease because of "numerous side effects and monitoring requirements, their limited efficacy, and very slow onset of action".
Skin discoloration occurs when gold salts are taken on a regular basis over a long period of time. [7] Excessive intake of gold salts while undergoing chrysotherapy results – through complex redox processes – in the saturation by relatively stable gold compounds of skin tissue and organs (as well as teeth and ocular tissue in extreme cases ...
Pup parents aren't the only ones who are influenced by a dog's unwavering love, and Maui the Golden Retriever found the perfect way to prove it. He and his human brother have the sweetest bond ...
Thysanozoon nigropapillosum is quite common along the external reef in the shallow sub-tidal zone. It can swim by undulating and rhythmically contracting the body margins. It feeds on tunicates, using its mouth and large pharynx to engulf Didemnum spp., and later regurgitates food pellets containing the calcareous spicules present in their tunics.
John Legend will pay tribute to vice presidential candidate Tim Walz’s home state of Minnesota by covering Prince Wednesday night at the Democratic National Convention. The news was first ...