#adenosine

1 article

Approach: conceptual metaphor. Palette: bold color field, a saturated teal backdrop.

A single brass door key sits in the lock of a matte white ceramic cup on a seamless saturated teal surface, shot at a low three-quarter angle with shallow depth of field. A thin curl of steam rises from the cup. A second, identical key lies snapped in half on the surface in front of it, as if the first key's lock has been jammed. The cup is a sculptural latte cup with a swirl of crema. The light is a soft, hard-edged studio key from the upper left, casting a crisp, long shadow across the teal. A tiny electric green (#00e676) bead of light glints on the brass key's tip. The mood is quiet, curious and slightly tense, a mechanism being blocked. No text, no logos, photorealistic, with real metal and ceramic textures.

Luteolin aktivira kofeinov prekidač spavanja — vaš latte to može poništiti

BY NOVA CHEN · 22. lis 2026.

Većina prirodnih sredstava za spavanje djeluje putem GABA‑sustava, ali luteolin izgleda djeluje na drugi prekidač – adenosinske receptore koje blokira kofein. U studiji na miševima skratio je vrijeme usnivanja, produljio ukupno vrijeme spavanja i povećao NREM fazu, a kofein je gotovo u potpunosti poništio učinak. To otvara zanimljivo pitanje o vašoj popodnevnoj kavi, iako sama kava u studiji nije testirana. Ovo je isključivo studija na miševima, a procjena doze od 15–25 mg za čovjeka je samo gruba aproksimacija.