1. Is there life on Mars?

   From the Editor in Chief Pages: 405 - 405

2. Preconcentration of noble metals with the POLYORGS 4 complexing sorbent under the action of microwave irradiation

   • O. B. Mokhodoeva
   • G. V. Myasoedova
   • I. V. Kubrakova

   Articles Pages: 406 - 410

3. Extraction preconcentration with anionic surfactants in acidic solutions

   • I. Yu. Goryacheva
   • A. S. Loginov
   • M. A. Popov

   Articles Pages: 411 - 415

4. Selective extraction-photometric redox determination of low concentrations of sulfur(IV), selenium(IV), tellurium(IV), and arsenic(III)

   • G. M. Sergeev
   • E. V. Shlyapunova
   • M. A. Pozdnyakova

   Articles Pages: 416 - 423

5. Selective photometric determination of selenium in aqueous media

   • A. V. Bulatov
   • L. N. Moskvin
   • G. I. Koldobskii

   Articles Pages: 424 - 427

6. Spectrophotometric determination of hemoglobin with p-acetylarsenazo

   • Q. -Z. Zhai
   • J. -M. Li
   • T. Chen

   Articles Pages: 428 - 431

7. Sensitive bromatometric methods for the determination of salbutamol sulphate in pharmaceuticals

   • B. C. Somashekar
   • K. Basavaiah

   Articles Pages: 432 - 437

8. Study of a fluorescence quenching mechanism of enoxacin and its determination in human serum and urine samples

   • Yan Xiao
   • Jian Wang Wang
   • Huai You Wang

   Articles Pages: 438 - 443

9. Pulsed discharge in a hollow cathode with the detection of ions in a time-of-flight mass spectrometer: Analytical capabilities in the analysis of solid samples

   • A. A. Ganeev
   • M. A. Kuz’menkov
   • M. V. Voronov

   Articles Pages: 444 - 453

10. Determination of phthalic, terephthalic, and isophthalic acids in the presence of each other by gas chromatography

    • V. T. Lipik
    • N. S. Cherkes
    • V. N. Martsul’

    Articles Pages: 454 - 457

11. Determination of zopiclone in urine by gas chromatography-mass spectrometry

    • S. S. Kataev
    • N. B. Zelenina
    • M. Daiekh

    Articles Pages: 458 - 462

12. Determination of cresol isomers in aqueous solutions by microscale HPLC using a two-detector recording system

    • V. F. Ruban
    • Yu. V. Pokhvoshchev

    Articles Pages: 463 - 465

13. Voltammetric study of the hydrolysis product of fenthion at the Nafion®-modified glassy carbon electrode

    • G. Erdoğdu

    Articles Pages: 466 - 469

14. Electrochemical detection of copper(II) at a gold electrode modified with a self-assembled monolayer of penicillamine

    • L. M. Niu
    • H. Q. Luo
    • L. Song

    Articles Pages: 470 - 474

15. Stepwise injection analysis as a new method of flow analysis

    • A. V. Mozzhukhin
    • A. L. Moskvin
    • L. N. Moskvin

    Articles Pages: 475 - 478

16. Amylose and amylopectin as reagents for the flow-injection determination of elemental iodine

    • V. V. Kuznetsov
    • Yu. V. Ermolenko
    • L. Seffar

    Articles Pages: 479 - 485

17. Electroanalytical properties of membranes based on metal-polyethoxylate-tetraphenylborate compounds

    • L. V. Apukhtina
    • E. G. Kulapina
    • S. A. Mitrokhina

    Articles Pages: 486 - 489

18. Use of Langmuir-Blodgett films as modifiers for piezoresonance sensors

    • S. N. Shtykov
    • A. V. Kalach
    • V. F. Selemenev

    Articles Pages: 490 - 493

19. Kinetic determination of silver by the oxidation of ferroin with peroxomonosulfuric acid

    • N. I. Gumennyi
    • V. K. Zinchuk

    Articles Pages: 494 - 497

20. Miroslava Iosifovna Shtokalo (on her 80th birthday)

    Chronicle Pages: 498 - 499

21. Zoya Fedorovna Shakhova (on the centenary of her birth)

    Chronicle Pages: 500 - 501

22. Damir Geidar Ogly Gambarov (1939–2006)

    Chronicle Pages: 502 - 502