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Hypromellose , short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used in eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products.
The Hierarchy of Occupational Exposure Limits, of which occupational exposure banding is a member. Occupational exposure banding, also known as hazard banding, is a process intended to quickly and accurately assign chemicals into specific categories (bands), each corresponding to a range of exposure concentrations designed to protect worker health.
People diagnosed with dementia have up to 10 times more microplastics present in their brains than those without the condition, a new study has found.
Methyl cellulose has a lower critical solution temperature (LCST) between 40 °C and 50 °C. [ citation needed ] At temperatures below the LCST, it is readily soluble in water; above the LCST, it is not soluble, which has a paradoxical effect that heating a saturated solution of methyl cellulose will turn it solid, because methyl cellulose will ...
Occupational toxicology differs from environmental toxicology in that the former has smaller number of exposed individuals, but with a wider range of exposure levels. Environmental toxicology tends to focus on situations with low exposure levels for larger numbers of people, where adverse effects may be concentrated in people who are especially ...
The best activities for assisted living residents do much more than just pass the time — they help seniors lead healthier, happier lives, and the ideal community has plenty of activity options ...
The system is based on LD50 determination in rats, thus an oral solid agent with an LD50 at 5 mg or less/kg bodyweight is Class Ia, at 5–50 mg/kg is Class Ib, LD50 at 50–2000 mg/kg is Class II, and at LD50 at the concentration more than 2000 mg/kg is classified as Class III. Values may differ for liquid oral agents and dermal agents. [1]
Migraleve is the brand name of a range of migraine-relief medications made by Pfizer. There are two variants of Migraleve: yellow and pink. Both contain the analgesics paracetamol and codeine. The yellow variant is designed to address the symptoms of headache and discomfort, while the pink variant also addresses nausea and vomiting.