Supercritical Fluid Technology and New Materials Research Group

RESEARCH GROUP
• Prof. Dr. Ayla ÇALIMLI
• Prof. Dr. Nuray YILDIZ
• Assist. Prof. Dr. Ayşe KARAKEÇİLİ

PhD Students
• Res. Assist. Ceren ATİLA DİNÇER
• Res. Assist. Eda SEMİZER
• Ayşegül NAMUSLU

MSc Students
• Ayşegül ARIKAN
• Zafer ÇIPLAK
• Emre YÜKSEL

RESEARCH AREAS

i. Application of Supercritical Fluids

  • Extraction of Natural Materials and Mathematical Modeling
  • Synthesis of Copolymers
  • Synthesis of Advanced Materials
  • Particle Formation of Micro/Nano Sized Materials (RESS process)
  • Regeneration of Adsorbents by Supercritical Fluids

ii. Composites

  • Synthesis of Biocomposites
  • Synthesis of Nanocomposites (Nanoclays)

iii. Environmental Applications of Adsorption/Biosorption

  • Organobentonites
  • Algae-Fungus-Lichens

iv. Tissue Engineering

  • Biomaterials

CURRENT PROJECTS
•Synthesis and Surface Modification of Magnetic Nanoparticles (BAP, 12Ö4343003, 2012-)
•Synthesis and Characterization of Graphene Based Polyaniline Silver Nanocomposites (BAP, 2012-)
•Synthesis and Characterization of Graphene in Supercritical Fluids (BAP, 2012-)
•Development of Infection Resistant and Bioactive Materials by Using Antimicrobial Peptides and Growth Factors (TÜBİTAK, 2012-)
•Kil-Kitosan Nanokompoziti Sentezi ve Karakterizasyonu (BAP, 2011-)
•Büyüme Faktörlerini Sıralı Salan Kitosan Doku İskelelerinin Üretimi ve Periodontal Doku Mühendisliği Uygulamaları (2011-)

GRADUATE THESES

PhD
1.
Synthesis and Characterization of Fe3O4@PLGA Core / Shell Nanoparticles in Supercritical Fluids
2.Preparation of Chitosan Scaffolds with Sequential Delivery of Growth Factors for Bone Tissue Engineering Applications

MSc
1. Grafen Temelli Polianilin Gümüş Nanotanecik Nanokompozitlerinin Sentez ve  Karakterizasyonu
2. Süperkritik Akışkan Teknolojisi Kullanılarak Doku İskelesi Üretim
3.Development of Infection Resistant Materials by Immobilization of Antimicrobial Peptides

SELECTED PUBLICATIONS
Yılmaz M., Eğri S., Yıldız N., Çalımlı A., Pişkin E., 2011, “Ring-Opening Copolymerization of L-Lactide and ?-Caprolactone in Supercritical Carbon Dioxide Using Triblock Oligomers of Caprolactone and PEG as Stabilizers”, Polymer Journal, 43, 785-791.
Koyuncu, H., Yıldız, N., Salgın, U., Köroğlu F., Çalımlı, A., 2011, “Adsorption of O-, M- and P- Nitrophenols Onto Organically Modified Bentonites”, Journal of Hazardous Materials, 185, 1332-1339.
Yılmaz M., Eğri S., Yıldız N., Çalımlı A., Pişkin E., 2011, “Dispersion polymerization of L -lactide in supercritical carbon dioxide”, Journal of Polymer Research, 18, 975-982.
Geçer, A., Yıldız, N., Turan, B., Çalımlı, A., 2010, “Trimethyl Chitosan Nanoparticles Enhances Dissolution of the Poorly Water Soluble Drug Candesartan-Cilexetil”, Macromolecular Research, 18 (10), 986-991.
Yalçınkaya, S. E., Yıldız, N., Saçak, M. and Çalımlı, A., 2010, “A. Preparation of Polystyrene / Montmorillonite Nanocomposites: Optimization by Response Surface Methodology (RSM)”, Turkish Journal of Chemistry, 34 , ( 4), 581-592.
Döker, O., Salgın, U., Yıldız, N., Çalımlı, A., Aydoğmuş, M., 2010, “Extraction of Sesame Seed Oil using Supercritical CO2 and Mathematical Modeling”, Journal of Food Engineering, 97 (3), 360-366.
Atila, C., Yıldız, N. And Çalımlı, A., 2010, “Particle size design of digitoxin in supercritical fluids”, Journal of Supercritical Fluids, 51 (3), 404-411.
Geçer,A., Yıldız, N., Kavak,D., Çalımlı, A., 2009  Comparison of chitosan apatite composites synthesized by different methods, Polymer Composites, 30 (3), 288-295.
Özer, A., Gürbüz, G., Çalımlı, A., Körbahtı, B. K., 2009  Biosorption of copper (II) ions on Enteromorpha prolifera: Application of response surface methodology (RSM), Chemical Engineering  Journal, 146 (3), 377-387.
Geçer, A., Yıldız, N., Erol, M., Çalımlı, A., 2008. “Synthesis of chitin calcium phosphate composite in different growth media”, Polymer Composites, 29 (1), 84-91
•Salgın, U., Yıldız, N., Köroğlu, F., Çalımlı, A., 2007, “A Parametric Study of Phenolic Compounds Desorption Performence from Organobentonite by Supercritical Fluids”, The Journal of Supercritical Fluids, 39: 296-303.
•Koyuncu, H., Kul, A.R., Çalımlı, A., Yıldız, N., Ceylan, H., 2007. “Adsorption of Dark Compounds with Bentonites in Apple Juice”, LWT, 40 (3), 489-497
•Aydın, H.M., Türk, M., Çalımlı, A., Pişkin, E., 2006 “Attachment and Growth of Fibroblast on Glow-Discharge Treated Poly (L-lactide/?-caprolactone) Scoffolds Prepared in Supercritical CO2”, The International Journal of Artificial Organs,  29, 9,  873-880
• Koyuncu, H., Seven, E., Çalımlı, A., 2005, “Examination of Some Organic Explosives by Ion Mobility Spectrometry (IMS)” , Turkish Journal of Chemistry, 29, 255-264.
• Yıldız, N., Gönülşen, R., Koyuncu, H., Çalımlı, A., 2005, “ Adsorption of Benzoic acid and Hydroquinone by Organically Modified Bentonites” , Colloids and Surfaces A: Physicochemical and Engineering Aspects 260: 87-94
• Şanal, İ., Bayraktar, E., Mehmetoğlu, Ü., Çalımlı, A., 2005, “Determination of Optimum Conditions for SC- (CO 2 +Ethanol) Extraction of ß-Carotene form Apricot Pomace Using Response Surface Methodology” , The Journal of Supercritical Fluids, 34, 331-338.
• Salgın, U., Üstün, S., Mehmetoğlu Ü., Çalımlı, A., 2005, “ Supercritical CO2 Extraction of Accumulated Capsidiol from Biotic Elicitor Activated Capsicum annuum L. Fruit Tissues” , The Journal of Chemical Technology and Biotechnology, 80 (2), 124-132.
• Aydın, H.M., Pişkin, E., Çalımlı, A., 2004, “Microporous Scaffolds from Poly (L-Lactide/ e -Caprolactone) Composites with Hydroxyapatite and Tricalcium Phosphates using Supercritical CO2 for Bone Tissue Enginnering” , Journal of Bioactive and Compatible Polymers, 19, 383-394
• Salgın, U., Çalımlı A., Uysal, B.Z., 2004, “Supercritical Fluid Extraction of Jojoba Oil” , Journal of the American Oil Chemists’ Society (JAOCS), 81 (3), 293-296.
• Salgın, U., Yıldız, N., Çalımlı, A., 2004, “ Desorption of Salicylic Acid from Modified Bentonite using Supercritical Fluids in Packed Bed Column” , Separation Science and Technology , 39 (11), 2677-2694.
• Şanal, İ. Güvenç, A., Salgın, U., Mehmetoğlu, Ü., Çalımlı, A., 2004, “Recycling of Apricot Pomace by Supercritical CO 2 Extraction” , The Journal of Supercritical Fluids, 32, 221-230.
• Yıldız, N., Aktaş, Z. and Çalımlı, A. 2004, “Sulphuric Acid Activation of a Calcium Bentonite” , Particulate Science and Technology, 22 (1), 21-23.
• Yıldız, N., Erol, M., Aktas, Z. and Çalımlı, A. 2004, “Adsorption of Aromatic Hydrocarbons on BTEA-Bentonite” , Adsorption Science and Technology, 22 (2), 145-154.
• Salgın, U., Yıldız, N. and Çalımlı, A. 2004, “Regeneration of Modified Bentonite Loaded with Phenol using Supercritical Fluids” , Adsorption Science and Technology, 22(1), 39-50.
• Döker, O., Salgın, U., Şanal, İ., Mehmetoğlu, Ü., Çalımlı, A., 2004, “Modeling of Extraction of ß-carotene from Apricot Bagasse Using Supercritical CO 2 in Packed Bed Extractor” , The Journal of Supercritical Fluids, 28, 111-119.
• Kapucu, N., Güvenç, A., Kapucu, H., Mehmetoğlu, Ü., Çalımlı, A., 2003, “Lipase Catalyzed Synthesis of Oleyl Oleate : Optimization by Response Surface Methodology” , Chemical Engineering Communications, 190, No:5-8, 779-796.
• Gönülşen, R., Yıldız, N., and Çalımlı, A. , 2003, “Adsorption of Organic Compounds onto Single and Dual Organic Cations Organobentonites” , Adsorption Science and Technology, 21 (2), 135-147.
• Kapucu, N., Güvenç, A., Mehmetoğlu, Ü., Çalımlı, A. and Kapucu, H., 2003, “Lipase Catalyzed Synthesis of Oleyl Oleate: Optimization by Reponse Surface Methodology” , Chemical Engineering Communication, 190, 779-796 .
• Yıldız, N. and Çalımlı, A. 2002, “Alteration of Three Turkish Bentonites by Treatment with Na2CO 3 and H2SO4 ” , Turkish Journal of Chemistry, 26, 1-9.
• Kapucu, H., Yıldız, N. Gönülşen, R. and Çalımlı, 2002, “A. Investigation of Benzoic Acid Adsorption onto ODTMA-Bentonite by Surface Response Optimization”, Adsorption Science and Technology, 20 (8), 729-740.
• Koparan, A., Güvenç, A., Kapucu, N., Mehmetoğlu, Ü., Çalımlı, A., 2001, “Separation Process of Citric Acid with Tertiary Amines / Diluents in Supercritical CO 2 ” , Turkish Journal of Chemistry, 25, 477-484.
• Yıldız, N., Kapucu, H., Çalımlı, A., 2000, “Response Surface Optimization of the Phenol Adsorption onto HDTMA-Bentonite” , Reviews in Chemical Engineering, 16 (1), 55-70.
• Özkan, Ö. Çalımlı, A. Berber, R. and Oğuz, H., 2000, “Effect of Inert Solid Particles at Low Concentrations on Gas-Liquid Mass Transfer in Mechanically Agitated Reactors” , Chemical Engineering Science, 55, (14), 2737-2740.
Çalımlı, A.,2000, “Adsorption of Some Organic Compounds by Hexadecyltrimethylammonium-Bentonite” , Reviews in Chemical Engineering, 16 (3), 301-309.

LABORATORIES
• Nanotechnology Laboratory II