Peer Reviewed: Nanoparticle Detection Technology for Chemical Analysis.

JA Koropchak, S Sadain, X Yang… - Analytical …, 1999 - ACS Publications
… Koropchak Salma Sadain Xiaohui Yang Lars-Erik Magnusson Mari Heybroek Michael
Anisimov … (21) Sadain, S.; Koropchak, J. A/. Chromatogr. … Salma Sadain is a doctoral …

Identification of caprolactam oligomers and related compounds in aqueous extracts of nylon‐6

D Jenke, M Poss, S Sadain, J Story… - Journal of applied …, 2005 - Wiley Online Library
Cyclic oligomers of caprolactam were isolated from a multilayered polyolefin plastic film
containing a nylon‐6 layer and subsequently characterized. Nylon‐6 was extracted with …

Condensation nucleation light scattering detection for biogenic amines separated by ion-exchange chromatography

SK Sadain, JA Koropchak - Journal of Chromatography A, 1999 - Elsevier
A sensitive method of analysis for biogenic amines, putrescine, cadaverine, histamine and
an amino acid precursor, histidine is described herein using ion-exchange chromatography …

Accumulation of organic compounds leached from plastic materials used in biopharmaceutical process containers

DR Jenke, D Zietlow, MJ Garber, S Sadain… - PDA Journal of …, 2007 - journal.pda.org
Plastic materials are widely used in medical items, such as solution containers, transfusion
sets, transfer tubing, and devices. An emerging trend in the biotechnology industry is the …

Dispersion of discrete sample signals within aerosol spray chambers: preliminary investigations

JA Koropchak, S Sadain, B Szostek - Spectrochimica Acta Part B: Atomic …, 1996 - Elsevier
A barrel-type spray chamber with a baffle system and various other structures were used for
characterization of band-broadening phenomena occurring within aerosol spray chambers, …

Condensation nucleation light scattering detection (CNLSD) for ion chromatography

SK Sadain, JA Koropchak - Journal of liquid chromatography & …, 1999 - Taylor & Francis
Ion chromatography (IC) combined with condensation nucleation light scattering detection (CNLSD)
is shown here to be a highly sensitive method for cationic species determination, …

Performance characteristics of an ion chromatographic method for the quantitation of citrate and phosphate in pharmaceutical solutions

D Jenke, S Sadain, K Nunez… - Journal of …, 2007 - academic.oup.com
The performance of an ion chromatographic method for measuring citrate and phosphate in
pharmaceutical solutions is evaluated. Performance characteristics examined include …

Leaching of organic acids from irradiated EVA plastic as a function of solution pH and polarity

D Jenke, D Zietlow, S Sadain - PDA Journal of Pharmaceutical …, 2004 - journal.pda.org
The leaching of several target organic acids from an irradiated ethylene vinyl acetate material,
such as those used as a solution product container, is examined as a function of solution …

Modeling of the solution interaction properties of plastic materials used in pharmaceutical product container systems

D Jenke, T Couch, A Gillum, S Sadain - PDA Journal of …, 2009 - journal.pda.org
Material/water equilibrium binding constants (E b ) were determined for 14 organic solutes
and 17 plastic raw materials that could be used in pharmaceutical product container systems. …

EVALUATION OF AN ION EXCLUSION/DIRECT CONDUCTIVITY METHOD FOR QUANTITATING ACETIC AND LACTIC ACIDS IN PHARMA-CEUTICAL LVP BASE …

M Warnock, L Nair, S Sadain… - Journal of liquid …, 2002 - Taylor & Francis
Organic acids (eg, acetic, lactic and gluconic acid) are common components in Large
Volume Parenteral (LVP) base solutions. The characterization of such solution products is …