High Tech Separations News articles from November 1998

High Tech Separations News archives from November 1998

MOVING BED CHROMATOGRAPHY Amalgamated Research Gets Residual Sugar.
November 19, 1998... American Crystal Sugar Co. plans to build a $103 million molasses desugarization project (Hillsboro, ND). The plant will house a simulated moving bed (SMB) chromatography system developed by Amalgamated Research, Inc. (2531 Orchard Dr. East,...

Daicel Gives Chiral System a Boost.
November 19, 1998... In a novel approach to assist chiral chromatography to the process- scale level, Daicel Chemical Ind. (730 Springdale Dr., Exton, PA 19341; Tel: 610/594-2100) has applied a simulated moving bed (SMB) to a chiral system. Chiral chemistry is...

Cutting Down on Downstream Ops.
November 19, 1998... Supported in part by a grant from the Eureka organization of the European Community, BioSepra S.A. (BioSepra S.A., Ave. Jean Jaures, Villeneuve-la-Garenne 92390, France; Tel: +33/1-468-59298, Fax: +33/1-468-59295) has formed a consortium...

GAS CHROMATOGRAPHY Retention Time Locking Software.
November 19, 1998... Retention time locking (RTL) software is one of the newest improvements to gas chromatography. It allows chromatograms to be reproduced within hundredths and even thousandths of a minute from one GC to another. The benefits of this...

PharmaPrint Discovers Bioactive Ingredients.
November 19, 1998... Using gas chromatography (GC), mass spectroscopy (MS), and high- performance liquid chromatography (HPLC), PharmaPrint (5 Park Plaza, Suite 770, Irvine, CA 92714; Tel: 949/794-7778) has discovered the bioactive compounds in St. John's Wort...

HIGH PERFORMANCE LIQUID CHROMATOGRAPHY Extraction of Cranberry Tannins.
November 19, 1998... In an October letter to the editor at the New England Journal of Medicine, researchers at Rutgers University stated their finding that specific tannins in cranberries may be responsible for the prevention of urinary tract infections...

New Systems Aid Drug Discovery.
November 19, 1998... As the push for drug discovery continues, several chromatography companies have begun to develop systems designed particularly for combinatorial chemistry. These systems are used by both big pharmaceutical companies and other biotechnology...

Helping to Improve HIV Treatments.
November 19, 1998... In a report from the Food and Drug Administration (FDA) the inhibition zidovudine (AST) glucuronidation may be more beneficial when it is given with a concomitant fluconazole and valproic acid. The antiviral agent AZT has long been used to...

REVERSED PHASE CHROMATOGRAPHY Highly Crosslinked PS-Divinylbenzene.
November 19, 1998... In response to the demand for chemically stable silica-based reverse-phase columns for the separation of polypeptides, Vydac (17434 Mojave St., Hesperia CA 92345; Tel: 760/244-6107, Fax: 760/244- 1984) has developed its polymer-based...

CAPILLARY ELECTROPHORESIS Cyclodextrins Assist Chiral Systems.
November 19, 1998... In another attempt to advance chiral chromatography technology, Hewlett Packard Co., (HP, 3000 Hanover St., Palo Alto, CA 94304; Tel: 650/857-5603) has published the results from a chiral capillary electrophoresis (CE) system that offers...

INDUSTRY NEWS: Standards for Meeting GIPSA Requirements.
November 19, 1998... The Dept. of Agriculture (USDA, 14th and Independence Ave. SW, Washington D.C. 20250; Tel: 202/720-2791, Website: http://www.usda.gov) in conjunction with the Grain Inspection, Packer, and Stockyards Administration (GIPSA, Website:...

Waters Sales Up 45% in Third Quarter.
November 19, 1998... Waters Corp. (34 Maple St., Milford, MA 01757-3696; Tel: 508/478-2000 or 800/252-4752, Fax: 508/872-1990) reported its 1998 third quarter earnings increased by 45% over prior year levels. Waters' consolidated statement of operations lists...

Sepragen Gets Another Business Agreement.
November 19, 1998... Sepragen (30689 Huntwood Dr., Hayward, CA 94544; Tel: 510/476-0650, Fax: 510/476-0655) announced yet another agreement that will assist the company's growing leverage within the food processing industry. The agreement licenses the company's...

Isco Reports 17% Sales Increase.
November 19, 1998... Isco's reported $47,912,000 in sales for 1998 were an 18% increase over the previous year's earnings of $40,733,000. The company showed an 8% increase in its sales of its core products (wastewater samplers, open-channel flow meters, and...

BioRad Sales Drop 1%.
November 19, 1998... Bio-Rad Laboratories, Inc.'s (2000 Alfred Nobel Dr., Hercules, CA 94547; Tel: 510/741-1000, Fax: 510/741-5800) third quarter sales decreased 1% compared to the third quarter of 1997. Sales for this year's quarter were $99.0 million....

Dionex Acquires Softron GmbH.
November 19, 1998... Dionex (Website: http://www.dionex.com) reported a record quarter and announced the acquisition of Softron GmbH. The purchase was carried out for an undisclosed amount. Dionex is a large producer and seller of chromatography systems for...

MARKETS: German Equipment Demand High.
November 19, 1998... The world market for analytical and laboratory instrumentation technologies and equipment is valued at about $11 billion. In Europe, Germany is the leading producer, exporter, and consumer nation of chromatographic and spectroscopic...

MODELING: Linear Chromatography in a Non-linear Fashion.
November 19, 1998... The basic chromatography model in the linear analytical region of solute concentration assumes that retention times are independent of concentration and that the eluted peaks are Gaussian in shape. The original theory of the Gaussian...

Templated Pores Improve Selectivity.
November 19, 1998... Hydrogels are crosslinked, completely interconnected polymer networks combining high water content with high porosity, reasonable mechanical strength. Gel permeation chromatography (GPC) on uncharged hydrogels relies on differential...

ADVANCED FILTRATION Spiralwound Depth Protects Downstream RO.
November 19, 1998... Advances in separation technology present process engineers with a bewildering array of filtration choices. The Fibrotex spiral-wound backwashable depth filter from Smith & Loveless, Inc. (14040 Santa Fe Trail Dr., Lenexa, KS 66215-1284;...

Two-Stage Enclosures.
November 19, 1998... Most electronic equipment contains built-in air filtration and ventilation devices that maintain dust-free circuitry and prevent overheating. Such devices, however, are designed for an office environment, making them totally inadequate for...

Complete Solution Across pH Range.
November 19, 1998... Additional pore sizes (0.1 and 0.45 micron) of the Sartopore filter line from Sartorius Corp. (131 Heartland Blvd., Edgewood, NY 11717; Tel: 516/254-4249 or 800/368-7178, Fax: 516/254-4253) gives process engineers up to twice the flow rate...

DuPont Puts New Spin on Olefin.
November 19, 1998... DuPont (1007 Market St., Wilmington, DE 19898; Tel: 302/774-1000, Fax: 302/774-7321) has a new filtration medium manufactured by using what the company claims is a new spinning technology to produce a reduced average fiber size. The Tyvek...

SUPERCRITICAL FLUIDS High Value Products Possible with PDU.
November 19, 1998... Commercially significant amounts of high value products, such as those found in the flavor, fragrance, and pharmaceutical industries, are possible with the process development unit (PDU) from Pressure Products Industries, Inc. (900 Louis...

Removing Explosives from Contaminated Soil.
November 19, 1998... Worldwide, highly energetic chemicals pose an environmental problem and a potential threat to humans via the food chain. Various methods have been researched for analyzing the amount of soil contamination and measuring the concentration of...

Metals Removed with Solubilized Chelates.
November 19, 1998... Chien Wai of the University of Idaho (Chemistry Dept., Moscow, Idaho 83844; Tel: 208/885-6787) has done extensive research into the solubility of metal chelates in supercritical fluid extraction (SFE) and into environmentally benign methods...

CALENDAR.
November 19, 1998... 29 November-1 December 1998: Fourth Latin-American Symposium on Biomedical, Biopharmaceutical, and Industrial Applications of Capillary Electrophoresis, Hotel Melia & WTC Convention Center, Sao Paulo, Brazil. Contact: FREEDOM Comunicaces,...