Quinine necklace | sterling silver If you have ever managed a patient with severe falciparum malaria in a region where chloroquine resistance has rewritten the protocol, quinine is the molecule the textbook still falls back to. Older than every modern antimalarial, still on the WHO essential medicines list, still active when the newer drugs run out of options. Worn here as a 42 mm sterling silver pendant. The Science Behind Quinine Quinine is a cinchona alkaloid that kills Plasmodium parasites by interfering with heme detoxification inside the parasite's food vacuole. As the parasite digests host haemoglobin, free heme accumulates and is toxic to the parasite itself. Quinine and the related 4-aminoquinolines block the polymerisation of heme into inert hemozoin crystals, leaving free heme to kill the parasite from the inside. Plasmodium falciparum strains have evolved resistance to chloroquine across most of the tropics over the past fifty years, which is part of why quinine retains a clinical role: it predates the resistance landscape and remains effective against severe and complicated malaria when newer agents fail. Modern artemisinin combination therapy is now the first line in most places, but quinine sits behind it as a working second-line option. A Quiet Symbol For infectious disease physicians and tropical medicine specialists pharmacologists and medicinal chemists clinical researchers working on antimalarial resistance science historians and chemistry educators with an interest in the cinchona story For someone who reaches for quinine when the conversation is about chloroquine resistance and what comes after, not about gin and tonic. Explore Related Molecules Jewelry Quinine necklace | gold vermeil Cyclosporine necklace | silver Doxorubicin necklace | silver Arsenic trioxide necklace | silver Chlorophyll necklace | silver FAQ Why pick the silver quinine over the gold? The silver suits daily clinical wear in a way the gold does not. Working ID and tropical medicine clinicians who treat malaria as part of their case mix tend to want the molecule on rotation rather than reserved for a milestone. The 42 mm pendant carries the structure at full clinical scale. The gold is the milestone-gift companion for a graduation or major appointment in pharmacology or infectious-disease medicine. Why does quinine still matter when artemisinin is the first line? Because resistance to artemisinin has emerged in Southeast Asia and is being tracked carefully elsewhere, and the pipeline of replacement antimalarials is thinner than the malaria-treatment community would like. Quinine is the historical fallback that pre-dates the modern resistance landscape. The WHO still lists it for severe complicated malaria when artemisinin combination therapy is not available or has failed. The molecule has held a clinical role for two centuries and is unlikely to be retired soon. What size is the pendant and what chain comes with it? 925 sterling silver, 42 mm pendant on a 45 cm sterling silver chain with a 5 cm extender. Larger scale than most pieces in the catalogue. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns. Is there a gold version? Yes. The same 42 mm quinine pendant is available in 18K gold vermeil at the same chain length. Silver tends to suit daily clinical wear, gold tends to suit graduation, retirement, or a major career milestone in pharmacology or infectious-disease medicine.
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