Pharmaceutical

1. Dr. V. Voser, Ciba-Geigy "Process for the Recovery of Hydrophilic
   Antibiotics" United States Patent 3,725,400, April 3, 1973.
2. C. Varesio et al "Process for Purifying Tylosin"
   Oppici, Ernesto; Rosa, Oroniro G.; Varesio, Carlo; Lazzari, Giovanni; Fabris, Danillo. United States patent 4,568,740, April 02, 1986; Farmitalia Carlo Erba S.p.A.
3. Dr. R. Heropolitanski et al, "Process for Isolating Tetracyclines"
   Heropolitanski, Ryszard, Dr.; Mucha, Barbara, M.Sc.; Sochacka, Jolanta, M.Sc.
   Michalska, Lucyna, M.Sc.; Czarny, Kazimierz, M.Sc.; Stasiak, Maria, M.Sc.
   European patent application 0,092,193, October 26, 1983.
   Application No. EP83103663, filed 19830415, A2 Published 19831026.

Biotech

1. G. Margurreanu and F. Gutman "Process for Producing Citric Acid" United States patent 4,855,494, August 8, 1989.
2. J. Steinmetz et al. "Large Scale Isolation of Myxovirescins". Dur Congr Biotechnol, 1,643-7, 1984.
3. "Synthesis of an Aspartame Precursor by immobilised Thermolysin in an Organic
   Solvent" J. Org Chem. 1981.
4. Hemoperfusion in Acute Camphor Poisoning" C. Kopper et al. Intensive Care Med. 14(4), 431-3, 1988.
5. "Adsorption of Plant Phenols by Synthetic Polymers" Aloupsjo Filisjoùa et am/
   Acta Soc. Bot Pol., 58(4), 583-92, 1989.

Analytical

1. "Analysis of Urinary Catecholamines by High-Performance Liquid Chromatography in the Presence of Labetalol Metabolites" Steven R. Binder et al. J. Chromatogr., 385, 241-7, 1987.
2. "Application of XAD-4 Solid Sorbent and HPLC [High Performance Liquid
   Chromatography] with Electrochemical Detection to the Analysis of Phenols in
   Water : Final Report, November 1983, November 1985" M.P. Maskarinec
   Energy Res. Abstr. 1987, 12(18), Abstr. N° 37377, 1987.
3. "Evaluation of XAD-2 for Multiresidue Extraction of Organochlorine Pesticides and
   Polychlorinated Biphenyls from Natural Waters" John Coburn et al. J. Assoc. Off. Anal. Chem., 60(1), 224-8, 1977.
4. Application of AMBERLITE XAD-2 Resin for General Toxicological Analysis"
5. 3Model Compound Sorption by the Resin XAD-2, XAD-8 and Diethylaminoethylcellulose. An Useful Application to Flavonoids Isolation"
   Luigino Maggi et al. J. Chromatogr., 478(1), 225-30, 1989.
6. "Detection of Metal Ions by Liquid Chromatographic Separation of Their 1,3-
   Dimethyl-4-acetyl-2-pyrazolin-5-one Chelates". Margo Palmieri et al.
   Analytical Chemistry, 60(20), 2244-2248, 1988.
7. "Purge and Trap Method for Determination of Volatile Halocarbons and Carbon Disulfide in Table-Ready Foods" David L. Hikes J. Assoc. Off. Anal. Chem. 80(2), 215-26, 1987.

Waste

1. "Studies on Diffusion of Phenols Within a Porous Synthetic Adsorbent"
   E. Furuya et al. Stud. Surf. Sci. Catal, 39 (Charact Porous Solids), 381-90, 1987.
2. "Organics Isolation from Fresh and Drinking Waters by Macroporous Nonionic Sorbents" Grandi Zilio et al. Toxicol. Environ. Chem., 28(4), 195-204, 1990.
3. "Application of XAD-4 Solid Sorbent to the Collection of Pesticides from Water Samples : Final Report, November 1985-November 1986" M.P. Maskarinec et al.
   Energy Res. Abstr. 1988, 13(1), Abstr. N° 1808, 1987.
4. "Adsorption Characteristics of Activated Carbon, XAD-4 Resin and Molecular Sieves for the Removal of Hazardous Organic Solvents" Kenneth E. Noll et al. Proc. Eng. Found. Conf. Fundam. Adsorpt., 2nd Meeting date 1986, 441-50.

Food

1. "Isolation of Catechin from Tea Leaves" Hiroshi Hotta et al. JP 03014572 A2 23 Jan 1991, JP89-148862 12 Jun 1989.
2. "Reduction of Bitter Components in Grapefruit and Navel Orange Juices with
   beta-Cyclodextrin Polymers or XAD Resins in a Fluidized Bed Process" Charles W. Wilson et al. J. Agric. Food Chem. 37(1), 14-18, 1989.
3. "Comparison of Solvent Extractions and Resin Adsorption for Isolation of Mutagenic Compounds from Chlorinate Drinking Water with High Humus Content" T. Vartiainen Water Res., 21(7), 773-9, 1987.

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