resin

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resin

resin, any of a class of amorphous solids or semisolids. Resins are found in nature and are chiefly of vegetable origin. They are typically light yellow to dark brown in color; tasteless; odorless or faintly aromatic; translucent or transparent; brittle, fracturing like glass; and flammable, burning with a smoky flame. Resins are soluble in alcohol, ether, and many hydrocarbons but are insoluble in water. When heated, they soften and finally melt. Their chemical composition varies, but most are mixtures of organic acids and esters. Resins are generally classified according to their source or by such qualities as hardness or solubility. Natural resins are found as exudations, often as globules or tears, on the bark of various trees (mostly pines and firs) or on other living plants; they also occur as fossils or as exudations from the bodies of certain scale insects (see lac). Some natural resins, called oleoresins, contain both a resin and an essential oil; they are often viscid, sticky, gummy, or plastic. Other resins are exceedingly hard and resistant to most solvents, softening only at high temperatures. The primary uses for most resins are in varnish, shellac, and lacquer, in medicine, in molded articles (e.g., pipe mouthpieces), and in electrical insulators. See amber; balsam; benzoin; Canada balsam; copaiba; dragon's blood; mastic; rosin; turpentine.
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resin

[′rez·ən]
(organic chemistry)
Any of a class of solid or semisolid organic products of natural or synthetic origin with no definite melting point, generally of high molecular weight; most resins are polymers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

resin

A nonvolatile solid or semisolid organic material, usually of high molecular weight; obtained as gum from certain trees or manufactured synthetically; tends to flow when subjected to heat or stress; soluble in most organic solvents but not in water; the film-forming component of a paint or varnish; used in making plastics and adhesives.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

resin

1. any of a group of solid or semisolid amorphous compounds that are obtained directly from certain plants as exudations. They are used in medicine and in varnishes
2. any of a large number of synthetic, usually organic, materials that have a polymeric structure, esp such a substance in a raw state before it is moulded or treated with plasticizer, stabilizer, filler, etc
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Medication Dosage Monolaurin 600 mg QD Sodium butyrate 800 mg QD Omega-3 Fish oils 2 grams QD Migrelief PRN for headaches Fexofenadine HCL (Mucinex) 600 mg capsule PRN Cholestyramine PRN for mold exposure Pertinent physical exam findings included a blood pressure of 110/65; a pulse of 69 bpm; oral temperature of 98.1 degrees Fahrenheit.
Indications for Cholestyramine include for the relief of pruritus associated with partial biliary obstruction and also as adjunctive therapy to diet for the reduction of elevated serum cholesterol in patients with primary hypercholesterolemia who do not respond adequately to diet.
[1] observed that the response to cholestyramine was better using 10% than using 15% as the cutoff level (response rate 80% vs.
Previous studies reported that cholestyramine decreased absorption of levothyroxine from the intestine [58, 59].
These structures are yellow on acid-fast bacillus and are suggestive of BAS (colesevelam [Welchol], colestipol [Colestid], cholestyramine [LoCholest, Prevalite, Questran]).
Cholestyramine resin was used as the positive control (assay concentration: 3, 2, and 1 mg/mL, n = 4).
Hirschsprung's enterocolitis, prostaglandins, and response to cholestyramine. J Pediatr Surg 1978;13:417-8.
Avoid giving vitamin D with cholestyramine, high-fiber cereals, and fiber-based stool softeners.
Decreasing the absorption of levothyroxine is well documented with multiple medications including ferrous sulfate and cholestyramine; increasing levothyroxine requirements with amiodarone and rifampin and decreasing efficacy with simvastatin has also been shown.
Treatment includes ursodeoxycholic acid (UDCA) or cholestyramine to bind bile salts.
* Cholesterol-lowering drugs: Colestipol (Colestid), cholestyramine (Questran), and colsevelam (Welchol)
UDCA has no effect on the pruritus, and given the unavailability of cholestyramine in South Africa, UVB phototherapy as advised by a dermatologist was successfully utilised.