Research Assistant Nihan GÖĞÜŞ

E-mail: nihangogus@iyte.edu.tr

Phone: 0090-232-750 6296 

Fax: 0090-232-750 6196  

Address: Department of Food Engineering, Izmir Institute of Technology, Gülbahçe, Urla, Izmir, Turkey.

PhD., Food Engineering, İzmir Institute of Technology, Department of Food Engineering, Izmir, Turkey (2007-present).

M.Sc., Food Engineering, İzmir Institute of Technology, Department of Food Engineering, Izmir, Turkey (2003-2006).

B.S., Food Engineering, Celal Bayar University, Department of Food Engineering, Manisa, Turkey (1999-2003).

     Research Interests

  • Fungal Fermentation

  • Industrial Enzyme Production

  • Scale up and Optimization

  • Enzyme characterization

   Work Experience

  • Research Assistant, İzmir Institute of Technology, Department of Food Engineering (2005-present)

    Publications

  • Demir, H., Göğüş, N., Tarı, C., Heerd, D., Lahore, M.F. (2012) Optimization of the process parameters for the utilization of orange peel to produce polygalacturonase by solid-state fermentation from an Aspergillus sojae mutant strain. Turkish Biology Journal. BIY-1104-23.

  • Tokatli, F., Tarı, C., Unluturk, M.S., Göğüş, N. (2009) Modelling of Polygalacturonase enzyme activity and biomass production by Aspergillus sojae ATCC 20235. Journal of Industrial Microbiology and Biotechnology. 36(9): 1139-1148.

  • Tarı, C., Dogan, N., Gogus, N. (2008) Biochemical and thermal characterization of exo-polygalacturonase produced by Aspergillus sojae. Food Chemistry. 111: 824-829.

  • Tarı, C., Göğüş, N., Tokatlı, F. (2007) Optimization of biomass, pellet size and polygalacturonase production by Aspergillus sojae ATCC 20235 using response surface methodology. Enzyme and Microbial Technology, 40: 1108-1116.

  • Ustok, F.I., Tarı, C., Göğüş, N. (2007) Solid state production of polygalacturonase by Aspergillus sojae ATCC 20235. Journal of Biotechnology, 127: 322-334

  • Göğüş, N., Tarı, C., Ünlütürk, S., Öncü, Ş., Tokatlı, F. (2006) Relationship between morphology, rheology and pectinase production by Aspergillus sojae ATCC 20235 in submerged cultures. Biochemical Engineering Journal, 32: 171-178.

Congress

International Congress

  • Gogus, N.*, Demir, H.*, Tari, Canan. The Comparison of Biochemıcal Properties of Exo-Polygalacturonases Produced By Solid State And Submerged Fermentations usıng an Aspergillus sojae mutant strain. International Conference on Enzyme Science and Technology 31 October – 04 November 2011, Kuşadası, TURKEY. (poster)

  • Gogus, N., Tari, C. Comparison od extracted orange peel and whole orange peel in terms of polygalacturonase production uisng Aspergillus sojae mutant strain. IV International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2011). 14-16 September 2011, Torremolinos,Malaga, Spain. (oral presentation).

  • Hakgüder, B., Unlütürk, S., Gogus, N., Tarı, C., Lahore, M.F. (2011). Morphology and bulk  rheology affected by operational conditions in submerged fermentation  of Aspergillus sojae. International Food Congress: Novel Approaches in Food Industry, 26-29 May 2011, Altınyunus. Çeşme ,Turkey (poster).

  • Gogus, N., Hakgüder, B., Tarı, C., Demir, H., Lahore, M.F.(2011).  Effect of process parameters on polygalacturonase production by mutant strain of Aspergillus sojae in serial bioreactor system. International Food Congress: Novel Approaches in Food Industry, 26-29 May 2011, Altınyunus. Çeşme ,Turkey (oral presentation).

  • Tarı, C., Gogus, N., Demir, H., Lahore, M.F., Heerd, D.Optimization of Medium Composition for the production of polygalacturonase from a new mutant Aspergillus sojae strain by submerged fermetation.  2nd International Confrence of Food Science and Technology. 22-24 March 2010 Chester, UK. (poster)

  •  Demir, H., Göğüş, N., Tarı, C. Heerd, D., Lahore, M.F.,(2009)  Optimization of Polygalacturonase production from Aspergillus sojae by using orange peel. Effost Conference , New Challenges in Food Preservation 11-13 November 2009, Budapest, Hungary, P331 (poster).

  • Dogan, N., Tari, C., Gogus, N. (2007) Kinetic and Thermodynamic Properties of Crude and Three-Phase Partitioned Polygalacturonase from Aspergillus sojae13. th European Congress on Biotechnology. Barcelona, Spain. Abstract in Journal of Biotechnology 131:2S, p:224:28

  • Gogus, N., Tarı, C., Dogan, N. (2007) Biochemical properties of Aspergillus sojae ATCC 20235 polygalacturonase. 5th International Congress on Food Technology, Thesssaloniki  (Greece). v:1.p:271-276. (oral presentation).

  • Ustok, F.I., Tarı, C., Gogus, N., (2006). Solid state production of Polygalacturonase by Aspergillus sojae ATCC 20235. 3 rd Central European Congress on Food, Sofia (Bulgaria).  p: 106. (Tam metinli bildiri)

  • Tarı, C., Gogus, N., Oncü, S., Unluturk, S., Tokatli, F (2006) Investigating the effect of various on morphology , rheology and production  of pectinase by using a statistical approach. 3 rd Central European Congress on Food,  Sofia (Bulgaria).  p: 101

  • Oncu, S., Unluturk, S., Tarı, C. , Gogus, N., (2006) Investigation of various factors affecting the pellet morphology , broth rheology  and pectinase  production in submerged fermentation of Aspergillus sojae.  3 rd Central European Congress on Food, Sofia (Bulgaria).  p: 221

  •  Gogus, N., Tarı, C., Ünlütürk, S., Öncü, Ş., Tokatlı, F.,(2006) Optimization of various fermentation parameters using Aspergillus sojae ATCC 20235 as a new pectinase producer. FoodMicro2006, The 20th International ICFMH Symposium, Bologna, Italy. p.272

  •  Öncü, Ş., Ünlütürk, S., Tarı, C., Gogus, N., (2006) Effect of agitation speed on the pellet morphology, broth rheology and pectinase enzyme production in submerged fermentation. FoodMicro2006, The 20th International ICFMH Symposium,Bologna, Italy.p.279

  • Gogus, N. Tarı, C., Ünlütürk, S., Öncü, Ş., Tokatlı, F. (2006) Optimization of the morphology and pectinase production by Aspergillus sojae ATCC 20235 using response surface methodology. Proceedings of IUFoST 13th World Congress of Food Science and Technology Nantes, France p. 332.

  • Öncü, Ş., Ünlütürk, S., Tarı, C., Gogus, N., (2006) Investigation of various factors affecting the pellet  morphology, broth rheology and pectinase enzyme production in submerged fermentation of Aspergillus sojae. Proceedings of IUFoST, 13th World Congress of Food Science and Technology, Nantes, France, p1253-1264, DIO: 10.1051/IUFoST 20060271.

National Congress

  • Demir, H. Göğüş, N. Tarı, C., Heerd, D., Lahore, M. F. (2009).Portakal Kabuğu rendesi kullanarak Aspergillus sojae’den pektinaz üretiminin optimizasyonu. 6. Gıda Teknolojisi Kongresi. Antalya (5-8 Kasım). (oral presentation).

  • Göğüş,N., Tarı,C., Oncü, S., Unluturk,S., Tokatli,F., (2006) Değişik fermantasyon parametrelerin pektinaz enzim üretimi ve morfolojisi açısından istatistiksel yaklaşım ile optimizasyonu. Türkiye 9. Gıda Kongresi, Bolu. Kongre kitabı   s: 233-236.

  • Ustok,F.I., Tarı,C., Göğüş,N., (2006) Katı kültür fermantasyon yöntemi ile Aspergillus sojae ATCC 20235 suşundan üretilen pektinaz enzimin optimizasyonu ve sıvı kültür yöntemi ile karşılaştırması. Türkiye 9. Gıda Kongresi, Bolu. Kongre kitabı  s: 243-246.

  • Öncü,S. Unluturk,S. Tarı,C., Göğüş,N.,(2006) Sıvı ortam küf fermantasyonunda fermantasyon ortamının reolojik ve morfolojik karakterizasyonu: Fermentor uygulamaları. Türkiye 9. Gıda Kongresi, Bolu. Kongre kitabı  s: 253-246.

  • Öncü,Ş., Unluturk,S., Göğüş,N., Tarı,C. (2005) Sıvı ortam küf fermentasyonunda fermentasyon ortamın reolojik ve morfolojik karakterizasyonu. 14. Ulusal Biyoteknoloji Kongresi. Eskişehir , Kongre kitabı s:  411-415.

  • Göğüş,N., Tarı,C., Öncü,Ş., Unluturk,S., Tokatlı,F.(2005) Aşılama ortamları ile fermentasyon besi yerinin Aspergillus sojae ve Rhizopus oryzae morfolojisine ve pektinaz enzim üretimi üzerine olan etkisi. 14. Ulusal Biyoteknoloji Kongresi Eskişehir, Kongre kitabı s:  392-396.

Projects involved

  • Bioprocess platform for the A.sojae PGzyme system  (PGSYS EXCHANGE FP-7 IRSES 269211, researcher.) 

  • Production and downstream processing of the polygalacturonase from Aspergillus sojae: The effect of micobial morphology and fluid rheology on system global productivity under conditions close to industrial practice. A theoretical and experimental approach. (TUBITAK–Germany BMBF-IntentC-107O602, 2008-2011, researcher.)