D. G. Themelis

P. D. Tzanavaras, D. G. Themelis, Aspasia Verdoukas, 2005, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Validated Flow Injection Spectrophotometric Assay for the Quality and Stability Control of Gemfibrozil Tablets

P. D. Tzanavaras, D. G. Themelis, 2005 .

Flow and Sequential Injection Manifolds for the Spectrophotometric Determination of Captopril Based on its Oxidation by Fe(III)

G. Theodoridis, A. Economou, P. D. Tzanavaras, 2003 .

Flow injection spectrophotometric determination of fosfestrol, following on-line thermal induced digestion and using an orthophosphate calibration graph.

P. D. Tzanavaras, D. G. Themelis, 2003, Talanta.

Validated high-throughput HPLC assay for nimesulide using a short monolithic column.

P. D. Tzanavaras, D. G. Themelis, P. Tzanavaras, 2007, Journal of pharmaceutical and biomedical analysis.

High-throughput HPLC assay of acyclovir and its major impurity guanine using a monolithic column and a flow gradient approach.

P. D. Tzanavaras, D. G. Themelis, P. Tzanavaras, 2007, Journal of pharmaceutical and biomedical analysis.

Direct, selective flow injection spectrophotometric determination of calcium in wines using methylthymol blue and an on-line cascade dilution system

A. Anthemidis, J. Stratis, P. D. Tzanavaras, 1999 .

Flame AAS and UV-VIS determination of cobalt, nickel and palladium using the synergetic effect of 2-benzoylpyridine-2-pyridylhydrazone and thiocyanate ions.

G. Zachariadis, J. Stratis, D. G. Themelis, 1998, Talanta.

Highly selective flow injection spectrophotometric determination of gold based on its catalytic effect on the oxidation of variamine blue by potassium iodate in aqueous N,N-dimethylformamide medium.

P. D. Tzanavaras, D. G. Themelis, M. Sofoniou, 2007, Talanta.

Sequential injection method for the direct spectrophotometric determination of bismuth in pharmaceutical products

A. Economou, P. D. Tzanavaras, D. G. Themelis, 2004 .

Flow injection manifold for the direct spectrophotometric determination of bismuth in pharmaceutical products using Methylthymol Blue as a chromogenic reagent.

P. D. Tzanavaras, D. G. Themelis, J. K. Papadimitriou, 2001, The Analyst.

Indirect kinetic microdetermination of oxalate, citrate, and fluoride ions

D. G. Themelis, M. Sofoniou, C. Papadopoulos, 1983 .

Catalytic determination of nanogram amounts of iron(III) using its catalytic effect on the oxidation of chromotropic acid by hydrogen peroxide

D. G. Themelis, G. Vasilikiotis, 1987 .

Selective spectrophotometric determination of cobalt(II) using 2,2′-dipyridyl-2-pyridylhydrazone and a flow injection manifold

G. Zachariadis, J. Stratis, D. G. Themelis, 1995 .

Simultaneous Extraction and Atomic Absorption Spectrometric Determination of IB Group Elements (Cu, Ag, Au) from Aqueous Thiocyanate/2,2′-Dipyridyl-2-Pyridylhydrazone (Dpph) Solutions

J. Stratis, D. G. Themelis, D. G. Zatkas, 1989 .

Automated determination of flutamide by a validated flow-injection method: application to dissolution studies of pharmaceutical tablets.

P. D. Tzanavaras, D. G. Themelis, P. Tzanavaras, 2007, Journal of pharmaceutical and biomedical analysis.

Rapid determination of methylxanthines in real samples by high-performance liquid chromatography using the new FastGradient narrow-bore monolithic column.

C. Zacharis, P. D. Tzanavaras, D. G. Themelis, 2010, Talanta.

Automated derivatization and fluorimetric determination of biogenic amines in milk by zone fluidics coupled to liquid chromatography.

P. D. Tzanavaras, D. G. Themelis, A. Zotou, 2014, Journal of chromatography. A.

Determination of glutathione and cysteine in yeasts by hydrophilic interaction liquid chromatography followed by on-line postcolumn derivatization.

P. D. Tzanavaras, D. G. Themelis, Theano D. Karakosta, 2013, Journal of separation science.

Direct determination of phosphate in urine by sequential-injection analysis with single on-line dilution-calibration method and photometric detection.

A. Economou, P. D. Tzanavaras, D. G. Themelis, 2004, Analytical biochemistry.

Hybrid sequential injection-flow injection manifold for the spectrophotometric determination of total sulfite in wines using o-phthalaldehyde and gas-diffusion.

D. G. Themelis, P. Tzanavaras, Eleni Thiakouli, 2009, Talanta.

Selective fluorimetric method for the determination of histamine in seafood samples based on the concept of zone fluidics.

O. Deda, D. G. Themelis, Theano D. Karakosta, 2013, Analytica Chimica Acta.

Optimization and validation of a dissolution test for selegiline hydrochloride tablets by a novel rapid HPLC assay using a monolithic stationary phase.

B. Karlberg, J. Stratis, D. G. Themelis, 2008, Journal of pharmaceutical and biomedical analysis.

Direct and selective flow-injection method for the simultaneous spectrophotometric determination of calcium and magnesium in red and white wines using online dilution based on "Zone Sampling".

D. G. Themelis, M. Sofoniou, A. V. Trellopoulos, 2001, Journal of agricultural and food chemistry.

Sequential-Injection Analysis: Principles, Instrument Construction, and Demonstration by a Simple Experiment

Paraskevas D. Tzanavaras, Anastasios Economou, A. Economou, 2005 .

Isocratic liquid chromatographic determination of three paraben preservatives in hygiene wipes using a reversed phase core-shell narrow-bore column

D. G. Themelis, P. Rigas, A. Zotou, 2012 .

Enzymatic chemiluminescent assay of glucose by sequential-injection analysis with soluble enzyme and on-line sample dilution.

A. Economou, D. G. Themelis, Polyxeni Panoutsou, 2006, Analytica chimica acta.

Preliminary study of Thessaloniki Bay for contamination by mercury and lead

D. G. Themelis, M. Sofoniou, G. Vasilikiotis, 1982 .

Utilisation of kinetic-based flow injection methods for the determination of chlorine and oxychlorine species

G. Gordon, D. G. Themelis, G. Pacey, 1989 .

Determination of low concentrations of chlorite and chlorate ions by using a flow-injection system

G. Gordon, D. G. Themelis, D. W. Wood, 1989 .

High-Throughput Determination of Quinine in Beverages and Soft Drinks Based on Zone-Fluidics Coupled to Monolithic Liquid Chromatography

C. Zacharis, D. G. Themelis, A. Zotou, 2013 .

Automated derivatization and fluorimetric determination of biogenic amines in milk by zone fluidics coupled to liquid chromatography.

D. G. Themelis, A. Zotou, M. Notou, 2014, Journal of chromatography. A.