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1

Spectrophotometric total reducing sugars assay based on cupric reduction

Başkan, Kevser Sözgen, Tütem, Esma, Akyüz, Esin, Özen, Seda, Apak, Reşat

Journal:

Year:

2016

Language:

english

File:

PDF, 552 KB

english, 2016

2

A comprehensive review of CUPRAC methodology

Özyürek, Mustafa, Güçlü, Kubilay, Tütem, Esma, Başkan, Kevser Sözgen, Erçağ, Erol, Esin Çelik, S., Baki, Sefa, Yıldız, Leyla, Karaman, Şeyda, Apak, Reşat

Journal:

Analytical Methods

Year:

2011

Language:

english

File:

PDF, 540 KB

english, 2011

3

Preparation, characterization and usage of molecularly imprinted polymer for the isolation of quercetin from hydrolyzed nettle extract

Karaman Ersoy, Şeyda, Tütem, Esma, Sözgen Başkan, Kevser, Apak, Reşat, Nergiz, Cevdet

Journal:

Journal of Chromatography B

Year:

2016

Language:

english

File:

PDF, 795 KB

english, 2016

4

Modified cupric reducing antioxidant capacity (CUPRAC) assay for measuring the antioxidant capacities of thiol-containing proteins in admixture with polyphenols

Sema Demirci Çekiç, Kevser Sözgen Başkan, Esma Tütem, Reşat Apak

Journal:

Year:

2009

Language:

english

File:

PDF, 334 KB

english, 2009

5

Processing and Impact on Antioxidants in Beverages || Off-Line HPLC Integrated to Total Antioxidant Capacity Measurement of Beverages

Year:

2014

Language:

english

File:

PDF, 417 KB

english, 2014

6

Novel Protein-Based Solid-Biosensor for Determining Pro-oxidant Activity of Phenolic Compounds

Akyüz, Esin, Başkan, Kevser Sözgen, Tütem, Esma, Apak, Reşat

Journal:

Journal of Agricultural and Food Chemistry

Year:

2017

Language:

english

File:

PDF, 1.24 MB

english, 2017

7

Simultaneous spectrophotometric determination of cystine and cysteine in amino acid mixtures using copper(II)—neocuproin reagent

Esma Tütem, Reşat Apak

Journal:

Analytica Chimica Acta

Year:

1991

Language:

english

File:

PDF, 429 KB

english, 1991

8

The interaction of antitumor-active anthraquinones with biologically important redox couples: I. Spectrophotometric investigation of the interaction of carminic acid and mitoxantrone with the iron(II, III) and copper(I, II) redox couples

Esma Tütem, Reşat Apak, Kevser Sözgen

Journal:

Journal of Inorganic Biochemistry

Year:

1996

Language:

english

File:

PDF, 891 KB

english, 1996

9

Comparison of total antioxidant capacity and phenolic composition of some apple juices with combined HPLC–CUPRAC assay

Şeyda Karaman, Esma Tütem, Kevser Sözgen Başkan, Reşat Apak

Journal:

Year:

2010

Language:

english

File:

PDF, 464 KB

english, 2010

10

Use of the molybdenum–thiocyanate–rhodamine 6G ternary complex for spectrophotometric molybdenum determination without extraction

Hayati Filik, Esma Tütem, Reşat Apak

Journal:

Analytica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 96 KB

english, 2004

11

Spectrophotometric determination of gallium(III) with carminic acid and hexadecylpyridinium chloride

Hayati Filik, Esma Tütem, Reşat Apak, Erol Erçağ

Journal:

Microchimica Acta

Year:

1998

Language:

english

File:

PDF, 597 KB

english, 1998

12

Comparison of antioxidant capacity and phenolic composition of peel and flesh of some apple varieties

Şeyda Karaman, Esma Tütem, Kevser Sözgen Başkan, Reşat Apak

Journal:

Journal of the Science of Food and Agriculture

Year:

2012

Language:

english

File:

PDF, 205 KB

english, 2012

13

Second derivative spectrophotometric method for simultaneous determination of cobalt, nickel and iron using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol

Kevser Sözgen, Esma Tütem

Journal:

Year:

2004

Language:

english

File:

PDF, 86 KB

english, 2004

14

Erratum to “Second derivative spectrophotometric method for simultaneous determination of cobalt, nickel and iron using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol” [Talanta 62 (2004) 971–976]

Kevser Sözgen, Esma Tütem

Journal:

Year:

2005

File:

PDF, 27 KB

2005

15

Spectrophotometric determination of ascorbic acid using copper(II)–neocuproine reagent in beverages and pharmaceuticals

Kubilay Güçlü, Kevser Sözgen, Esma Tütem, Mustafa Özyürek, Reşat Apak

Journal:

Year:

2005

Language:

english

File:

PDF, 102 KB

english, 2005

16

Spectrophotometric total protein assay with copper(II)–neocuproine reagent in alkaline medium

Kevser Sözgen, Sema Demirci Cekic, Esma Tütem, Resat Apak

Journal:

Year:

2006

Language:

english

File:

PDF, 212 KB

english, 2006

17

Combined HPLC-CUPRAC (cupric ion reducing antioxidant capacity) assay of parsley, celery leaves, and nettle

Leyla Yıldız, Kevser Sözgen Başkan, Esma Tütem, Reşat Apak

Journal:

Year:

2008

Language:

english

File:

PDF, 467 KB

english, 2008

18

Simultaneous derivative spectrophotometric determination of cobalt(II) and nickel(II) by dithizone without extraction

Birsen Demirata Öztürk, Hayati Filik, Esma Tütem, Reşat Apak

Journal:

Year:

2000

Language:

english

File:

PDF, 102 KB

english, 2000

19

Spectrophotometric determination of vitamin E (α-tocopherol) using copper(II)-neocuproine reagent

Esma Tütem, Reşat Apak, Esma Günaydı, Kevser Sözgen

Journal:

Year:

1997

Language:

english

File:

PDF, 528 KB

english, 1997

20

Heavy metal cation retention by unconventional sorbents (red muds and fly ashes)

Reşat Apak, Esma Tütem, Mehmet Hügül, Jülide Hizal

Journal:

Year:

1998

Language:

english

File:

PDF, 774 KB

english, 1998

21

Adsorptive removal of chlorophenols from water by bituminous shale

Esma Tütem, Reşat Apak, Çaǧatay F. Ünal

Journal:

Year:

1998

Language:

english

File:

PDF, 366 KB

english, 1998

22

Sorptive Removal of Cesium-137 and Strontium-90 from Water by Unconventional Sorbents. I. Usage of Bauxite Wastes (Red Muds)

APAK, Reşat, ATUN, Gülten, GÜÇLÜ, Kubilay, TÜTEM, Esma, KESKİN, Güneş

Journal:

Journal of Nuclear Science and Technology

Year:

1995

Language:

english

File:

PDF, 703 KB

english, 1995

23

Spectrophotometric and Chromatographic Assessment of Contributions of Carotenoids and Chlorophylls to the Total Antioxidant Capacities of Plant Foods

Sözgen Başkan, Kevser, Tütem, Esma, Özer, Nihat, Apak, Reşat

Journal:

Journal of Agricultural and Food Chemistry

Year:

2013

Language:

english

File:

PDF, 935 KB

english, 2013

24

Protein–Incorporated Serum Total Antioxidant Capacity Measurement by a Modified CUPRAC (CUPRIC Reducing Antioxidant Capacity) Method

Çekiç, Sema Demirci, Kara, Nilay, Tütem, Esma, Başkan, Kevser Sözgen, Apak, Reşat

Journal:

Analytical Letters

Year:

2012

Language:

english

File:

PDF, 145 KB

english, 2012

25

The logarithmic diagram for the uranyl-carbonate-hydroxide complex equilibria

Tutem, Esma, Apak, Resat, Turgut, Mehmet Hulusi, Apak, Vildan

Journal:

Journal of Chemical Education

Year:

1991

Language:

english

File:

PDF, 2.21 MB

english, 1991

26

Heavy metal removal from water by red mud and coal fly ash: an integrated adsorption–solidification/stabilization process

Hizal, Julide, Tutem, Esma, Guclu, Kubilay, Hugul, Mehmet, Ayhan, Sertac, Apak, Resat, Kilinckale, Fahriye

Journal:

DESALINATION AND WATER TREATMENT

Year:

2013

Language:

english

File:

PDF, 271 KB

english, 2013

27

Spectrophotometric Determination of Ascorbic acid in Pharmaceutical Products with the Copper(II)-rhodanine Reagent

Tütem, Esma, Ülküseven, Bahri, Apak, Reeat

Journal:

Analytical Letters

Year:

1992

Language:

english

File:

PDF, 478 KB

english, 1992

28

Sorptive Removal of Cesium-137 and Strontium-90 from Water by Unconventional Sorbents

APAK, Reşat, ATUN, Gülten, GÜÇLÜ, Kubilay, TÜTEM, Esma

Journal:

Journal of Nuclear Science and Technology

Year:

1996

Language:

english

File:

PDF, 741 KB

english, 1996

29

Determination of total antioxidant capacity of milk by CUPRAC and ABTS methods with separate characterisation of milk protein fractions

Çekiç, Sema Demirci, Demir, Aslı, Sözgen Başkan, Kevser, Tütem, Esma, Apak, Reşat

Journal:

Journal Dairy Research

Year:

2015

Language:

english

File:

PDF, 185 KB

english, 2015

30

Assessment of the contributions of anthocyanins to the total antioxidant capacities of plant foods

Başkan, Kevser Sözgen, Tütem, Esma, Akyüz, Esin, Apak, Reşat

Journal:

European Food Research and Technology

Year:

2015

Language:

english

File:

PDF, 860 KB

english, 2015

31

Spectrophotometric Determination of Gallium(III) with Rutin.

FILIK, Hayati, DOGUTAN, Melek, TÜTEM, Esma, APAK, Resat

Journal:

Analytical Sciences

Year:

2002

Language:

english

File:

PDF, 37 KB

english, 2002

32

Sorptive Removal of Cesium-137 and Strontium-90 from Water by Unconventional Sorbents.II. Usage of Coal Fly Ash.

APAK, Resat, ATUN, Gulten, GUCLU, Kubilay, TUTEM, Esma

Journal:

Journal of Nuclear Science and Technology

Year:

1996

Language:

english

File:

PDF, 771 KB

english, 1996

33

Protein-Protected Gold Nanocluster-Based Biosensor for Determining the Prooxidant Activity of Natural Antioxidant Compounds

Akyüz, Esin, Şen, Furkan Burak, Bener, Mustafa, Başkan, Kevser Sözgen, Tütem, Esma, Apak, Reşat

Journal:

Year:

2019

Language:

english

File:

PDF, 1.69 MB

english, 2019

34

Valorization of Red Onion Peels for Quercetin Recovery Using Quercetin-Imprinted Polymer

Ersoy, Şeyda Karaman, Tütem, Esma, Başkan, Kevser Sözgen, Apak, Reşat

Journal:

Journal of Chromatographic Science

Year:

2019

File:

PDF, 1.04 MB

2019

35

Novel Iron(III)−Induced Prooxidant Activity Measurement Using a Solid Protein Sensor in Comparison with a Copper(II)−Induced Assay

Akyüz, Esin, Başkan, Kevser Sözgen, Tütem, Esma, Apak, Reşat

Journal:

Analytical Letters

Year:

2020

Language:

english

File:

PDF, 1.72 MB

english, 2020