['From:', 'Rana', 'T.', 'Walker', '(WALKERRT)', 'To:', 'perinifr', 'Date:', 'February', '25,', '1997,', '(Tuesday)', '11:32am', 'Subject:', 'Selective', 'filtration', 'Florian,', 'I', 'came', 'across', 'this', 'abstract', 'and', 'thought', 'you', 'might', 'be', 'interested.', 'Rana', 'TCRC', '#', '4234', 'YEAR', '1988', 'AUTHOR', 'LEE', 'BM', 'ORGANIZATION', 'TENNESSEE', 'EASTMAN/EASTMAN', 'CHEMICAL', 'TITLE', 'MODIFICATION', 'OF', 'NICOTINE', 'TO', 'TAR', 'RATIO', 'IN', 'CIGARETTE', 'SMOKE', 'ABSTRACT', 'NICOTINE', 'IS', 'ONE', 'OF', 'THE', 'MOST', 'IMPORTANT', 'COMPONENTS', 'IN', 'CIGARETTE', 'SMOKE', 'BECAUSE', 'OF', 'ITS', 'INFLUENCE', 'ON', 'SMOKE', 'TASTE', 'AND', 'IMPACT.TO', 'PROVIDE', 'FLEXIBILITY', 'IN', 'THE', 'DESIGN', 'AND', 'CONTROL', 'OF', 'CIGARETTE', 'PERFORMANCE,', 'IT', 'WOULD', 'BE', 'DESIRABLE', 'IF', 'THE', 'SMOKE', 'FILTRATION', 'SYSTEM', 'COULD', 'ALTER', 'CIGARETTE', 'NICOTINE', 'DELIVERY', 'INDEPENDENTLY', 'OF', 'TAR', 'DELIVERY.', 'THE', 'FEASIBILITY', 'OF', 'ACHIEVING', 'THIS', 'OBJECTIVE', 'WAS', 'ASSESSED', 'BY', 'EVALUATING', 'THE', 'EFFECTS', 'OF', 'TWENTY', 'DIFFERENT', 'FILTER', 'ADDITIVES', 'ON', 'CIGARETTE', 'NICOTINE', 'DELIVERY.', 'BASIC', 'AND', 'ACIDIC', 'ADDITIVES', 'WERE', 'STUDIED', 'WITH', 'THE', 'INTENT', 'OF', 'BOTH', 'ENHANCING', 'AND', 'SUPRESSING', 'THE', 'AMOUNT', 'OF', 'NICOTINE', 'REMOVED', 'BY', 'CONTINUOUS', 'FILAMENT', 'CELLULOSE', 'ACETATE', 'TOW', 'FILTERS.', 'SEVERAL', 'OF', 'THE', 'ADDITIVES', 'EVALUATED', 'SIGNIFICANTLY', 'ALTERED', 'THE', 'NICOTINE', 'TO', 'TAR', 'RATIO', 'OF', 'THE', 'SMOKE.', 'IT', 'WAS', 'DETERMINED', 'THAT', 'ACIDIC', 'FILTER', 'ADDITIVES', 'REDUCED', 'THE', 'RATIO', 'OF', 'NICOTINE', 'TO', 'TAR', 'IN', 'CIGARETTE', 'SMOKE', 'BY', 'AS', 'MUCH', 'AS', '20%', 'WHEREAS', 'BASIC', 'FILTER', 'ADDITIVES', 'INCREASED', 'THE', 'NICOTINETO', 'TAR', 'RATIO', 'BY', 'UP', 'TO', '15%.', 'THE', 'PERFORMANCE', 'OF', 'THESE', 'ADDITIVES', 'WAS', 'FOUND', 'TO', 'DEPEND', 'ON', 'THE', 'LEVEL', 'OF', 'THEIR', 'APPLICATION', 'AND', 'THE', 'SPECIFICATIONS', 'OF', 'THE', 'ALTER.', 'SEVERAL', 'OF', 'THESE', 'ADDITIVES', 'WERE', 'ALSO', 'SHOWN', 'TO', 'BE', 'EFFECTIVE', 'FOR', 'THE', 'SELECTIVE', 'REMOVAL', 'OF', 'CERTAIN', 'OTHER', 'SMOKE', 'COMPONENTS.', 'cc:', 'sudholtma', 'v6DS8YS8']