606. F. Aydin, E. Yilmaz, E. Olmez, M. Soylak, Cu2O-CuO Ball Like/Multiwalled Carbon Nanotube Hybrid for Fast and Effective Ultrasound-assisted Solid Phase Extraction of Uranium at Ultra-trace Level prior to ICP-MS detection, Talanta, 207, 120295 (2020). https://doi.org/10.1016/j.talanta.2019.120295.

607. A. Sungur, A. Vural, A. Gundogdu, M. Soylak, Effect of Antimonite Mineralization Area on Heavy Metal Contents and Geochemical Fractions of Agricultural Soils in Gumushane Province, Turkey, Catena, 184, 104255 (2019). https://doi.org/10.1016/j.catena.2019.104255

608. Z.A. ALOthman, M.A. Habila, E. Yilmaz, E.A. Alabdullkarem, M. Soylak, A Novel Deep Eutectic Solvent Microextraction Procedure for Enrichment, Separation and Atomic Absorption Spectrometric Determination of Palladium at Ultra-trace Levels in Environmental Samples, Measurement, 153, 107394 (2020). https://doi.org/10.1016/j.measurement.2019.107394

609. D. Yuvali, I. Narin, M. Soylak, E. Yilmaz, Green Synthesis of Magnetic Carbon Nanodot/graphene Oxide Hybrid Material (Fe3O4@C-nanodot@GO) for Magnetic Solid Phase Extraction of Ibuprofen in Human Blood Samples prior to HPLC-DAD Determination, Journal of Pharmaceutical and Biomedical Analysis, 179, 113001 (2020). https://doi.org/10.1016/j.jpba.2019.113001

610. M. Soylak, F. Uzcan, A Novel Ultrasonication-assisted Deep Eutectic Solvent Microextraction Procedure for Tartrazine at Trace Levels from Environmental Samples, Journal of the Iranian Chemical Society, 17, 461-467 (2020).

611. S. Kilic, M. Soylak, Determination of Trace Element Contaminants in Herbal Teas Using ICP-MS by Different Sample Preparation Method, Journal of Food Science and Technology-Mysore, 57, 927-933 (2020).

612. N. Ozkantar, M. Soylak, M. Tuzen, Ultrasonific-assisted Supramolecular Solvent Liquid-liquid Microextraction for Inorganic Chromium Speciation in Water Samples and Determination by UV-Vis Spectrophotometry, Atomic Spectroscopy, 41, 43-50 (2020).

613. F. Aydin, R. Cakmak, A. Levent, M. Soylak, Silica Gel-Immobilized 5-aminoisophthalohydrazide: A Novel Sorbent for Solid Phase Extraction of Cu, Zn and Pb from Natural Water Samples, Applied Organometallic Chemistry, 34, e5481 (2020) https://doi.org/10.1002/aoc.5481.

614. M.S. Yalcin, E. Kilinc, S. Ozdemir, U. Yuksel, M. Soylak, Phallus Impudicus Loaded with γ-Fe2O3 as Solid Phase Bioextractor for the Preconcentrations of Zn(II) and Cr(III) from Water and Food Samples, Process Biochemistry, 92, 149-155 (2020).

615. N. Ozkantar, E. Yilmaz, M. Soylak, M. Tuzen, Pyrocatechol Violet Impregnated Magnetic Graphene Oxide for Magnetic Solid Phase Microextraction of Copper in Water, Black Tea and Diet Supplements, Food Chemistry, 321, 126737 (2020) https://doi.org/10.1016/j.foodchem.2020.126737.

616. M. Soylak, H.H. Gorucu, E. Yilmaz, Micelle-based Restricted Access Ion-pair Microextraction of Phosphate at Trace Levels in Water Samples for Separation, Preconcentration and Determination, The EuroBiotech Journal, 4, 89-96 (2020).

617. M. Hassan, Z. Erbas, U. Alshana, M. Soylak, Ligandless Reversed-phase Switchable-hydrophilicity Solvent Liquid-liquid Microextraction Combined with Flame-atomic Absorption Spectrometry for the Determination of Copper in Oil Samples, Microchemical Journal, 156, 104868 (2020) https://doi.org/10.1016/j.microc.2020.104868.

618. S. Ozdemir, E. Kilinc, M.S. Yalcin, M. Soylak, F. Sen, A New Magnetized Thermophilic Bacteria to Preconcentrate Uranium and Thorium from Environmental Samples through Magnetic Solid-phase Extraction, Journal of Pharmaceutical and Biomedical Analysis, 186, 113315 (2020) https://doi.org/10.1016/j.jpba.2020.113315.

619. H.I. Ulusoy, K. Koseoglu, E. Yilmaz, M. Soylak, Simple and Sensitive Determination of Vitamin A and E in the Milk and Egg Yolk Samples by Using Dispersive Solid Phase Extraction with Newly Synthesized Polymeric Material, Journal of Food Composition and Analysis, 90, 103482 (2020) https://doi.org/10.1016/j.jfca.2020.103482.

620. S. Ulusoy, E. Yilmaz, Z. Erbas, H.I. Ulusoy, M. Soylak, Trace Analysis of Quercetin in Tea Samples by HPLC-DAD System by means of a New Nanocomposite Including Magnetic Core-shell, Separation Science and Technology, 55, 2025-2036 (2020).

621. M. Soylak, M. Celik, F. Uzcan, Supramolecular Solvent-based Microextraction of Sudan Orange G at Trace Levels for its Separation, Preconcentration and Spectrophotometric Determination, International Journal of Environmental Analytical Chemistry, 100, 935-944 (2020).

622. G.S. Kanberoglu, E. Yilmaz, M. Soylak, Fabrication and Characterization of SiO2@Fe3O4@nanodioamond for Vortex-assisted Magnetic Solid-phase Extraction of Lead in Cigarettes Samples prior to FAAS Detection, Journal of the Iranian Chemical Society, 17, 1627-1634 (2020).

623. Z. Erbas, R. Maulana, E. Yilmaz, S. Ozdemir, E. Kilinc, M. Soylak, Solid Phase Extraction of Copper as 1-(2-pyridylazo)-2-naphthol (PAN) Chelates on Coprinus Atramentaria, International Journal of Environmental Analytical Chemistry, 100, 992-1003 (2020).

624. M.A. Habila, A. El-Marghany, M. Sheikh, A.A. Ghfar, B. Alhenaki, Z.A. ALOthman, M. Soylak, Metal Organic Frameworks Enhanced Dispersive Solid Phase Microextraction of Malathion before Detection by UHPLC-MS/MS, Journal of Separation Science, 43, 3103-3109 (2020).

625. M. Soylak, B. Ozdemir, E. Yilmaz, An Environmentally Friendly and Novel Amine-based Liquid Phase Microextraction of Quercetin in Food Samples prior to its Determination by UV-vis Spectrophotometry, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 243, 118806 (2020) https://doi.org/10.1016/j.saa.2020.118806.

626. Z. Erbas, M. Soylak, A Green and Simple Liquid-phase Microextraction Based on Deep Eutectic Solvent for the Erythrosine prior to its UV-Vis Spectrophotometric Detection, Journal of the Iranian Chemical Society, 17, 2675-2681 (2020).

627. M.S. Jagirani, M. Soylak, A Review: Recent Advances in Solid Phase Microextraction of Toxic Pollutants Using Nanotechnology Scenario, Microchemical Journal, 159, 105436 (2020) https://doi.org/10.1016/j.microc.2020.105436.

628. S. Duman, Z. Erbas, M. Soylak, Ultrasound-assisted Magnetic Solid Phase Microextraction of Patent Blue V on Magnetic Multiwalled Carbon Nanotubes prior to its Spectrophotometric Determination, Microchemical Journal, 159, 105468 (2020) https://doi.org/10.1016/j.microc.2020.105468.

629. U. Alshana, M. Hassan, M. Al-Nidawi, E. Yilmaz, M. Soylak, Switchable-hydrophilicity Solvent Liquid-liquid Microextraction, TRAC Trends in Analytical Chemistry, 131, 116025 (2020) https://doi.org/10.1016/j.trac.2020.116025.

630. W.A. Khan, M.B. Arain, M. Soylak, Nanomaterials-based Solid Phase Extraction and Solid Phase Microextraction for Heavy Metals Food Toxicity, Food and Chemical Toxicology, 145, 111704 (2020) https://doi.org/10.1016/j.fct.2020.111704.

631. M.A. Habila, N. AlMasoud, T.S. Alomar, Z.A. Alothman, E. Yilmaz, M. Soylak, Deep Eutectic Solvent-based Microextraction of Lead(II) Traces from Water and Aqueous Extracts before FAAS Measurements, Molecules, 25, 4794 (2020) doi:10.3390/molecules25204794.

632. N. AlMasoud, M.A. Habila, Z.A. Alothman, T.S. Alomar, N. Alraqibah, M. Sheikh, A.A. Ghfar, M. Soylak, Nano-clay as Solid Phase Microextractor of Copper, Cadmium and Lead for Ultra-trace Quantification by ICP-MS, Analytical Methods, 12, 4949-4955 (2020).