The phrase "acid head" is correct and usable in written English.
It is typically used to describe someone who frequently uses or is heavily influenced by hallucinogenic drugs, particularly LSD.
Example: "In the 1960s, many acid heads embraced the counterculture movement and sought new experiences through psychedelic substances."
Alternatives: "drug user" or "psychedelic enthusiast".
Efficacy was also independent of acidity, because variable activity was shown with straight carbon acids of equivalent acidic function (pKa; supplementary material Table S2), although the acid head group is likely to be necessary because related alcohol and aldehyde compounds are non-active.
He is a dropout, an acid head, a self-styled gypsy, a runaway.
Unsaturated fatty acid chains of medium length and neutral amino acid head groups are required for optimal uncoupling activity on mammalian cells.
Electrochemical studies demonstrate that the carboxylic acid head group of 4-MBA can be protonated or deprotonated by application of an electric potential to the gold substrate.
While Hannah's friends flee, Suzette, veteran acid head that she is, takes the girl in and comforts her and in the morning escorts her home, the official excuse being that Hannah got sick mixing red and white wine.
He careered, Jacobs tells us, from acid head to Hindu to cult leader to born-again Christian to ultra-Orthodox Jew who gathers in the lost souls of Jerusalem.
In conclusion, the 12 amino acid head-to-tail cyclic RKKH peptide seems promising for targeting of liposomes to the integrin α2β1 receptor.
A 12 amino acid head-to-tail cyclic peptide derived from the Jararhagin protein containing the Arg-Lys-Lys-His (RKKH -specific binding site was conjugated to the distal ends of poly(ethylene glycol) (PEG) chains on PEGylated liposomes.
Our results showed that the cyclization involving a C-terminal carboxylic acid (head-to-tail or side chain-to-tail) led to compounds with significantly diminished inhibitory potency towards PACE4, indicating that an appropriate balance between rigidity and flexibility of the structure is necessary to allow the optimal binding with the enzyme.
In Hawkwind, he was a speed freak in a band of acid heads, a bassist who'd never touched the instrument before he was drafted in last minute to cover a festival.
Childhood evangelism has given way to jam sessions in the Haight, and this spring these will draw him to Spahn's ranch, the movie-set commune in Los Angeles's Santa Susana Mountains, to Charles Manson, to his "family": other dropouts and acid heads and gypsies and runaways.
