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1. any synthetic, semisynthetic, or natural chemical substance used in the treatment, prevention, or diagnosis of disease, or for other medical reasons
2. a chemical substance, esp a narcotic, taken for the pleasant effects it produces
3. drug on the market a commodity available in excess of the demands of the market
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


Any substance used internally or externally as a medicine for the treatment, cure, or prevention of a disease.
A narcotic preparation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


principle of evil. [Zoroastrianism: Leach, 325]
See: Evil
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.


The interpretation of drugs in your dreams depends on the relationship you have with drugs in your daily life and whether they are doctor prescribed or not. If you are a drug user, then the drugs are an extension of what you normally do, and you need to look at the other details of your dream to get a good interpretation. However, if you use drugs rarely or never, then this dream could represent a need to get well, to escape from daily stress, and a desire to get quick relief. The drugs could be suggesting a need for healing and getting in balance. Your unconscious mind may be suggesting outrageous things in hopes that you get the message to “have fun, dream dreams, and get out of your own head!” Please keep in mind that the purpose of dreams is to raise our consciousness and to assist us in having better lives. The message in the dream about drug use is most likely not encouraging you to use drugs but it may represent a need to feel better or get better.
Bedside Dream Dictionary by Silvana Amar Copyright © 2007 by Skyhorse Publishing, Inc.
References in periodicals archive ?
It comprises three distinct drug binding domains which include taxol, vincaalkaloid and colchicine binding sites.
The grid map was arranged as shown in Table 3 to cover the drug binding residues of human ABCB1.
There does not appear to be any direct correlation between the L-FABP drug binding affinity and the logP or log[D.sub.7.4] of the compounds, which implies that the interactions are more likely driven by the molecular specificity of the binding cavity.
The UV-vis spectroscopy and intrinsic and extrinsic fluorometry methods were used for elucidating the mode of binding and probable structural alterations of HSA upon drug binding. The characteristics of the binding, that is, binding constant, number of binding sites, and and nature of binding forces, as well as the effects of the complexation on the protein conformation were determined.
However, at higher curcumin concentration (r>1/10), drug binding to G,T,A and C bases occurs (indirectly) with a partial helix stabilization as a result weak intercalation into DNA duplex.
Before the Stony Brook research was reported, no previous simulations or studies had observed the mechanism of HIV-PR as it moves between each of its three primary states; indeed no reliable structural data was available for the open state--the only one in which the protease is susceptible to drug binding.
ThermoFluor is an automated high-throughput assay system that measures drug binding affinity through changes in the melting temperature of proteins.
"ThermoFluor is an automated, high throughput assay system that measures drug binding affinity through effects on the protein target's melting temperature," added F.
Under generous funding from the National Scientific Engineering Research Council (NSERC), the Ontario Center for Materials Research (OCMR) and the Pharmaceutical Industry, our group is placing DNA hybridization and nucleic acid - drug binding techniques in a flow injection format [ILLUSTRATION FOR FIGURE 1 OMITTED].
Within a few days of receiving the microdose, the degree of drug binding is checked by blood sample, in which the DNA is isolated from white blood cells; or by tumor biopsy, in which the DNA is isolated from the tumor cells.
The determined changes in enthalpy and entropy upon drug binding clearly indicate that hydrophobic forces are most important for artemisinin and dihydroartemisinin binding, whereas binding of artesunate is governed by both hydrophilic and hydrophobic forces.