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[1] [4] PCP may cause hallucinations, distorted perceptions of sounds, and violent behavior. [4] [7] [8] As a recreational drug, it is typically smoked, but may be taken by mouth, snorted, or injected. [4] [5] [7] It may also be mixed with cannabis or tobacco. [1] [4] Adverse effects may include seizures, coma, addiction, and an increased risk ...
Pentachlorophenol (PCP) is an organochlorine compound used as a pesticide and a disinfectant. First produced in the 1930s, it is marketed under many trade names. [5] It can be found as pure PCP, or as the sodium salt of PCP, the latter of which dissolves easily in water. It can be biodegraded by some bacteria, including Sphingobium ...
4-Methyl-PCP, 4'-Methyl-PCP and 4''-Methyl-PCP (left to right) However, since the widespread sale of these compounds as grey-market designer drugs, nearly all such compounds that have come to prominence either have a bare cyclohexyl ring or a 2-ketocyclohexyl ring, while the piperidine is replaced by a variety of alkyl or cycloalkyl amines and ...
A Linear PCP is a PCP in which the proof is a vector of elements of a finite field , and such that the PCP oracle is only allowed to do linear operations on the proof. Namely, the response from the oracle to a verifier query q ∈ F n {\displaystyle q\in \mathbb {F} ^{n}} is a linear function f ( q , π ) {\displaystyle f(q,\pi )} .
A 1999 review published by a chemist using the pseudonym John Q. Beagle suggested the potency of 4-MeO-PCP in man was reduced relative to PCP, two years later Beagle published a detailed description of the synthesis and qualitative effects of 4-MeO-PCP, which he said possessed 70% the potency of PCP. [1] 4-MeO-PCP was the first ...
4-Phenyl-4-(1-piperidinyl)cyclohexanol, also known as PPC, is an organic chemical which is a metabolite of phencyclidine (PCP). [1] It can be detected in the hair of PCP users. [2] PPC has been shown to cause increases in locomotor activity in lab mice. [3]
The high affinity of 3-HO-PCP for opioid receptors is unique among arylcyclohexylamines and is in contrast to PCP, which has only very low affinity for the MOR (K i = 11,000–26,000 nM; 282- to 433-fold difference) and the other opioid receptors (K i = 4,100 nM for the KOR and 73,000 nM for the DOR).
MAX-3SAT(B) is the restricted special case of MAX-3SAT where every variable occurs in at most B clauses. Before the PCP theorem was proven, Papadimitriou and Yannakakis [3] showed that for some fixed constant B, this problem is MAX SNP-hard. Consequently, with the PCP theorem, it is also APX-hard.