Yayınlar & Eserler

Yayın Ağı

SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

A comparative study of electropolymerization and photopolymerization for the determination of molnupiravir and their application in an electrochemical sensor via computationally designed molecularly imprinted polymers

Cetinkaya A., ÜNAL M. A., NAZIR H., Çorman M. E., UZUN L., ÖZKAN S. A.
Microchimica Acta , cilt.191, sa.5, 2024 (SCI-Expanded) Creative Commons License identifier identifier identifier

Ultrasensitive electrochemical immunosensor system for determination of autologous SOX2 antibody

Özçelikay-Akyıldız G., ÜNAL M. A., Atakan Ş., Gülden S., Kızılelma B., Aydın S., et al.
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS , cilt.241, 2024 (SCI-Expanded) identifier identifier identifier

Biosensors for stem cell-based applications: Current trends and future prospects

Arif T., BİLGE YÜCEL S., UYAR R., ÖZÇELİKAY AKYILDIZ G., Summak G. Y., ÜNAL M. A., et al.
Microchemical Journal , cilt.198, 2024 (SCI-Expanded) identifier

An innovative method for the detection of alpha synuclein, a potential biomarker of Parkinson's disease: quartz tuning fork-based mass sensitive immunosensor design

KARABOĞA M. N. S., ÜNAL M. A., ARI F., SEZGİNTÜRK M. K., ÖZKAN S. A.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS , sa.6, ss.5106-5114, 2024 (SCI-Expanded) identifier identifier

Early cancer detection based on exosome biosensors in biological samples

UYAR R., ÖZÇELİKAY AKYILDIZ G., Kaya S. İ., BEREKETOĞLU NERGİS S., Beşbinar Ö., ÜNAL M. A., et al.
Sensors and Actuators B: Chemical , cilt.400, 2024 (SCI-Expanded) identifier

Small Warriors of Nature: Novel Red Emissive Chlorophyllin Carbon Dots Harnessing Fenton-Fueled Ferroptosis for In Vitro and In Vivo Cancer Treatment

Kirbas Cilingir E., Besbinar O., Giro L., Bartoli M., Hueso J. L., Mintz K. J., et al.
SMALL , 2024 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

Quartz tuning fork biosensor: A potential tool for SARS-CoV-2 detection

Kavacık M., İnce B., ARI F., ÜNAL M. A., SEZGİNTÜRK M. K., ÖZKAN S. A.
MICROCHEMICAL JOURNAL , cilt.195, 2023 (SCI-Expanded) identifier identifier

A novel electrochemical approach to biosensing applications: Quartz tuning forks as working electrodes for immunosensors

ARI F., İnce B., ÜNAL M. A., SEZGİNTÜRK M. K., ÖZKAN S. A.
MICROCHEMICAL JOURNAL , cilt.195, 2023 (SCI-Expanded) identifier identifier

Synergized photothermal therapy and magnetic field induced hyperthermia via bismuthene for lung cancer combinatorial treatment.

Yilmazer A., Eroglu Z., Gurcan C., Gazzi A., Ekim O., Sundu B., et al.
Materials today. Bio , cilt.23, ss.100825, 2023 (SCI-Expanded) identifier identifier identifier

A new system for cuffless blood pressure measurement

ANKIŞHAN H., ARI F., Celik H., Frederick B. B., Hocke L. M., ERDOĞAN S. B., et al.
Applied Acoustics , cilt.212, 2023 (SCI-Expanded) identifier

Effect of Disulfide Bonds on the Thermal Stability of Pediocin: In-silico Screening Using Molecular Dynamics Simulation

Ünal M. A., Kaymaz Ö., Güneş Altuntaş E., Juneja V. K., Elmalı A.
Journal of Food Protection , cilt.86, sa.9, 2023 (SCI-Expanded) identifier identifier

Low Dose of Ti3C2 MXene Quantum Dots Mitigate SARS-CoV-2 Infection

YILMAZER AKTUNA A., Alagarsamy K. N., Gokce C., Summak G. Y., Rafieerad A., Bayrakdar F., et al.
Small Methods , cilt.7, sa.8, 2023 (SCI-Expanded) identifier identifier identifier

Two different molecularly imprinted polymeric coating techniques for creating sensitive and selective electrochemical sensors for the detection of Ribavirin

Cetinkaya A., ÜNAL M. A., NAZIR H., Çorman M. E., UZUN L., ÖZKAN S. A.
Sensors and Actuators B: Chemical , cilt.389, 2023 (SCI-Expanded) identifier

Nanomaterial-based electrochemical sensing platform for the determination of Olaparib

Majidian M., Ozcelikay G., Cetinkaya A., ÜNAL M. A., NAZIR H., Atici E. B., et al.
Electrochimica Acta , cilt.449, 2023 (SCI-Expanded) identifier

Electrochemical detection of lactate produced by foodborne presumptive lactic acid bacteria

Özoğlu Ö., Uzunoglu A., Ünal M. A., Gümüştaş M., Özkan S. A., Korukluoğlu M., et al.
JOURNAL OF BIOSCIENCE AND BIOENGINEERING , cilt.135, sa.4, ss.313-320, 2023 (SCI-Expanded) identifier identifier identifier

SnO2 nanoparticles/waste masks carbon hybrid materials for DNA biosensor application on voltammetric detection of anti-cancer drug pazopanib

Bilge Koçak S., Doğan Topal B., Ünal M. A., Ünal M. N., Nazır H., Bellur Atici E., et al.
BIOELECTROCHEMISTRY , cilt.150, 2023 (SCI-Expanded) identifier identifier identifier

Human hair rich in pyridinic nitrogen-base DNA biosensor for direct electrochemical monitoring of palbociclib-DNA interaction

Bilge S., Dogan Topal B., Caglayan M. G., Unal M. A., Nazır H., Atici E. B., et al.
BIOELECTROCHEMISTRY , cilt.148, 2022 (SCI-Expanded) identifier identifier identifier

Ultrasensitive Determination of Glial-Fibrillary-Acidic-Protein (GFAP) in Human Serum-Matrix with a Label-Free Impedimetric Immunosensor

Ozcelikay G., Mollarasouli F., ÜNAL M. A., Gucuyener K., ÖZKAN S. A.
BIOSENSORS-BASEL , cilt.12, sa.12, 2022 (SCI-Expanded) Creative Commons License identifier identifier identifier

A novel SLC35D1 variant causing milder phenotype of Schneckenbecken dysplasia in a large pedigree

Ozer L., Aktuna S., Unsal E., Unal M. A., Sahin G., Baltaci V.
AMERICAN JOURNAL OF MEDICAL GENETICS PART A , cilt.188, sa.10, ss.3078-3083, 2022 (SCI-Expanded) identifier identifier identifier

Assisting dementia diagnosis through the electrochemical immunosensing of glial fibrillary acidic protein

Özçelikay G., Gamella M., Ünal M. A., Gücüyener K., Montero-Calle A., Barderas R., et al.
Talanta , cilt.246, 2022 (SCI-Expanded) Creative Commons License identifier identifier identifier

Novel Sensor Approaches of Aflatoxins Determination in Food and Beverage Samples

Ozcelikay G., Cetinkaya A., Kaya S. I., Yence M., Eroğlu P. E. C., Ünal M. A., et al.
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY , 2022 (SCI-Expanded) identifier identifier identifier

Emerging 2D materials for antimicrobial applications in the pre- and post-pandemic era

Gokce C., Gurcan C., Besbinar O., ÜNAL M. A., YILMAZER AKTUNA A.
NANOSCALE , cilt.14, sa.2, ss.239-249, 2022 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

An electrochemical and theoretical approach for the development of a sensitive flower-like nanosensor as serotonin receptor antagonist tropisetron

Zahid A., KARADURMUŞ L., Bakirhan N. K., ÜNAL M. A., NAZIR H., Shah A., et al.
MICROCHEMICAL JOURNAL , cilt.172, 2022 (SCI-Expanded) identifier identifier

Functional analyses of three different mutations in the AVP-NPII gene causing familial neurohypophyseal diabetes insipidus

Turkmen M. O., Karaduman T., ERDEM TUNÇDEMİR B., ÜNAL M. A., MERGEN H.
ENDOCRINE , cilt.74, sa.3, ss.658-665, 2021 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

Analysis of soil cohesion by fluidized bed methodology using integrable differential pressure sensors for a wide range of soil textures

DEVİREN SAYGIN S., ARI F., TEMİZ Ç., Arslan Ş., ÜNAL M. A., ERPUL G.
Computers and Electronics in Agriculture , cilt.191, 2021 (SCI-Expanded) identifier identifier

Investigation of Selected Persistent Organic Pollutants (POP) on Human and Dog Placental Cholinergic System

Uyar R., Turgut Y., Ozdag H., Unal M. A., Celik H. T., Ozyuncu O., et al.
TOXICOLOGY LETTERS , cilt.350, 2021 (SCI-Expanded) identifier

Graphene Oxide Nanosheets Interact and Interfere with SARS-CoV-2 Surface Proteins and Cell Receptors to Inhibit Infectivity

ÜNAL M. A., Bayrakdar F., NAZIR H., Besbinar O., Gurcan C., Lozano N., et al.
SMALL , cilt.17, sa.25, 2021 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

2D MXenes with antiviral and immunomodulatory properties: A pilot study against SARS-CoV-2

ÜNAL M. A., Bayrakdar F., Fusco L., Besbinar O., Shuck C. E., Yalcin S., et al.
NANO TODAY , cilt.38, 2021 (SCI-Expanded) Creative Commons License Sürdürülebilir Kalkınma identifier identifier identifier

Ribavirin shows antiviral activity against SARS-CoV-2 and downregulates the activity of TMPRSS2 and the expression of ACE2 in vitro

ÜNAL M. A., BİTİRİM C. V., Summak G. Y., BEREKETOĞLU NERGİS S., Zeytin I. C., Besbinar O., et al.
CANADIAN JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY , cilt.99, sa.5, ss.449-460, 2021 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

House dust mite-derived allergens effect on matrix metalloproteases in airway epithelial cells

KARAGÜZEL D., SARAÇ B. E., AKEL BİLGİÇ H., Summak G. Y., ÜNAL M. A., Kalayci O., et al.
EXPERIMENTAL LUNG RESEARCH , cilt.47, ss.436-450, 2021 (SCI-Expanded) identifier identifier identifier

Toward Nanotechnology-Enabled Approaches against the COVID-19 Pandemic

Weiss C., Carriere M., Fusco L., Capua I., Regla-Nava J. A., Pasquali M., et al.
ACS NANO , cilt.14, sa.6, ss.6383-6406, 2020 (SCI-Expanded) Creative Commons License Sürdürülebilir Kalkınma identifier identifier identifier

Photocatalytically Active Graphitic Carbon Nitride as an Effective and Safe 2D Material for In Vitro and In Vivo Photodynamic Therapy

Taheri H., Ünal M. A., Sevim M., Gurcan C., Ekim O., Ceylan A., et al.
SMALL , sa.10, 2020 (SCI-Expanded) identifier identifier identifier

Identification of novel Nrf2/Keap1 pathway mutations in pediatric acute lymphoblastic leukemia

Akin-Bali D. F., AKTAŞ S. H., ÜNAL M. A., Kankilic T.
PEDIATRIC HEMATOLOGY AND ONCOLOGY , cilt.37, sa.1, ss.58-75, 2020 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

Molecular simulation of PcCel45A protein expressed from Aspergillus nidulans to understand its structure, dynamics, and thermostability

ÜNAL M. A., BOYACIOĞLU B., ÜNVER H., ELMALI A.
JOURNAL OF MOLECULAR MODELING , cilt.25, sa.11, 2019 (SCI-Expanded) identifier

Calibration of Quartz Tuning Fork transducer by coulometry for mass sensitive sensor studies

Dedeoglu A., Karadas N., ÜNAL M. A., KOÇUM İ. C., Serdaroglu D. C., ÖZKAN S. A.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY , cilt.834, ss.8-16, 2019 (SCI-Expanded) identifier identifier

Design of a portable and low-cost mass-sensitive sensor with the capability of measurements on various frequency quartz tuning forks

ÜNAL M. A., KOÇUM İ. C., Cokeliler Serdaroglu D.
TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES , cilt.27, sa.3, ss.1871-1884, 2019 (SCI-Expanded) identifier identifier

Recent developments on electrochemical flow injection in pharmaceuticals and biologically important compounds

KURBANOĞLU S., ÜNAL M. A., ÖZKAN S. A.
ELECTROCHIMICA ACTA , cilt.287, ss.135-148, 2018 (SCI-Expanded) identifier identifier

Diğer Dergilerde Yayınlanan Makaleler

ANTİ-APOPTOTİK PROTEİN İÇİN YENİ İNHİBİTÖRLERİN İN-SİLİKO YÖNTEMLERLE ARAŞTIRILMASI

ÜNAL M. A.
ANKARA UNIVERSITESI ECZACILIK FAKULTESI DERGISI , cilt.48, 2024 (Scopus)

ENVIRONMENTAL CONTAMINANTS AND PLACENTAL TRANSPORTERS: EXAMPLE of PCB EXPOSURE and SLC AND ABCB1 EXPRESSION

YURDAKÖK DİKMEN B., UYAR R., KUZUKIRAN Ö., ÜNAL M. A., ÇELİK H. T., Boztepe Ü. G., et al.
E - Balıkesir Sağlık Bilimleri Dergisi (BSBD) , 2022 (Hakemli Dergi)

Investigation of Pazopanib and Human Serum Albumin Interaction Using Spectroscopic and Molecular Docking Approaches

Cetinkaya A., Caglayan M. G., Unal M. A., Beyazkilic P., Elbuken C., Atici E. B., et al.
Analytica , cilt.3, sa.1, ss.144-160, 2022 (Scopus) identifier

Repurposing Sitagliptin for COVID-19 in Adults: Clinical Benefits and An Approach for the Mechanism

Çınar G., Coşgun Yazgan S., Elhan A. H., Akdemir Kalkan İ., Gülten E., Ünal M. A., et al.
FLORA INFEKSIYON HASTALIKLARI VE KLINIK MIKROBIYOLOJI DERGISI , sa.2, ss.324-334, 2022 (ESCI) identifier identifier

PARMAK EROZYONU SÜREÇLERİNİN WEPP MODELİ YAKLAŞIMI İLE İNCE BÜNYELİ TOPRAKLAR İÇİN DEĞERLENDİRİLMESİ

Arslan Ş., DEVİREN SAYGIN S., ARI F., TEMİZ Ç., ÜNAL M. A., ERPUL G.
Toprak Bilimi ve Bitki Besleme Dergisi , cilt.11, ss.99-110, 2020 (Hakemli Dergi) identifier

Nanoparticle Embedded Nanofiber Synthesis and Evaluation of Usability on Biomedical Applications

Serdaroglu D. C., Korkusuz H. K., Karakaya M., Donmez I., ÜNAL M. A., Gunasekaran S.
MRS ADVANCES , cilt.3, sa.4, ss.233-240, 2018 (ESCI) identifier identifier

Biyosensörler: Gıda ve Sağlık Alanında Laktat Biyosensörleri

ÖZOĞLU Ö., ÜNAL M. A., GÜNEŞ ALTUNTAŞ E.
Türk Yaşam Bilimleri Dergisi , cilt.2, sa.2, ss.180-193, 2017 (Hakemli Dergi)

Biosensors: Lactate Biosensors in Food and Health Field

ÖZOĞLU Ö., ÜNAL M. A., GÜNEŞ ALTUNTAŞ E.
Turkish Journal of Life Sciences , cilt.2, sa.2, ss.180-193, 2017 (Hakemli Dergi)

ERM Implementation and Future Directions at Ankara University

Özdemirci F., Bayram S. Ö., Ünal M. A.
INTERNATIONAL JOURNAL OF KNOWLEDGE SOCIETY RESEARCH , cilt.4, sa.1, ss.1-11, 2013 (Hakemli Dergi)

Hakemli Kongre / Sempozyum Bildiri Kitaplarında Yer Alan Yayınlar

IMMUNE COMPATIBILITY OF 2D BISMUTHENE NANOSHEETS FOR FUTURE COMBINED MAGNETIC HYPERTHERMIA AND PHOTOTHERMAL THERAPY

Giro L., Gurcan C., Eroglu Z., Gazzi A., Ekim O., Sundu B., et al.
Tissue Engineering and Regenerative Medicine International Society (TERMIS), Krakow, Polonya, 28 Haziran - 01 Temmuz 2022, cilt.29, ss.1561-1562 identifier

Quartz-tuning fork-based mass sensitive immunosensor design for the determination of Synuclein alpha, a Parkinson39;s disease biomarker

Karaboğa M. N. S., Ünal M. A., Arı F., Sezgintürk M. K., Özkan S. A.
4. Eurasia Biochemical Approaches and Technologies Congress – EBAT 2022, Antalya, Türkiye, 3 - 06 Kasım 2022, ss.4-6

A Novel Electrochemical Approach to Biosensing Applications: Quartz Tuning Forks as Working Electrodes for Immunosensors

Ünal M. A., Arı F., Sezgintürk M. K., Özkan S. A.
4th EURASIA BIOCHEMICAL APPROACHES & TECHNOLOGIES (EBAT) CONGRESS, Antalya, Türkiye, 3 - 06 Kasım 2022, ss.36-37

Development of QTF-based electrochemical aptasensor for sarcosine detection.

Uludağ İ., Özyurt C., Ünal M. A., Sezgintürk M. K., Özkan S. A.
5th International Congress on Biosensors, Çanakkale, Türkiye, 21 Eylül 2022

Development of a molecularly imprinted electrochemical sensor for the selective and sensitive detection of the anti-cancer drug

Arif T., Çetinkaya A., Ünal M. A., Özkan S. A.
5th International Congress on Biosensors, Çanakkale, Türkiye, 21 Eylül 2022

Disposable Rapid Magnetic Microbeads-based Immunoplatform for the Sensitive Amperometric Assessment of SOX2

Özçelikay Akyıldız G., Gamella ., Campuzano S., Ünal M. A., Özkan S. A.
12th International Symposium on Drug Analysis and the 32nd International Symposium on Pharmaceutical and Biomedical Analysis, Mons, Belçika, 11 - 14 Eylül 2022, ss.25 Creative Commons License

Fluidized-bed: As an alternative method for rill erodibility modeling

DEVİREN SAYGIN S., ARI F., TEMİZ Ç., arslan ş., ÜNAL M. A., ERPUL G.
EGU General Assembly 2020, 4 - 08 Mayıs 2020

Soil Cohesion Development under Different Pore and Size Characteristics

TEMİZ Ç., ARI F., DEVİREN SAYGIN S., arslan ş., ÜNAL M. A., ERPUL G.
EGU 2020 General Assembly, 4 - 08 Mayıs 2020

Kuantum Teknolojileri ve Bilgi Yönetimi: Yeni Bir Çağ’ın Başlangıcı mı?

ÜNAL M. A., ÖZDEMİRCİ F.
Endüstri 4.0 Sürecinde Bilgi Yönetimi ve Bilgi Güvenliği: eBelge-eArşiv-eDevlet-Bulut Bilişim-Büyük Veri-Yapay Zekâ”, Türkiye, 10 - 11 Ekim 2019

Ultrasensitive label-freeelectrochemical impedanceimmunosensor based on11-Mercaptoundecanoic acid/Au NPs/L-cysteine modified screen printedcarbon electrode for the detection ofGlial Fibrillary Acidic Protein

ÖZÇELİKAY G., MOLLARASOULI F., ÜNAL M. A., KARADAŞ BAKIRHAN N., GÜCÜYENER K., ERGENEKON N. E., et al.
EUROANALYSIS2019, 1 - 05 Eylül 2019

A Modernized Application to Survey Soil Cohesion Changes

DEVİREN SAYGIN S., ARI F., TEMİZ Ç., ÜNAL M. A., ERPUL G.
International Soil Congress 2019, Ankara, Türkiye, 17 - 19 Haziran 2019, ss.271-274

Investigation of Soil Cohesion Changes for Two Different Soils and Initial Moisture Conditions

TEMİZ Ç., ARI F., DEVİREN SAYGIN S., ÜNAL M. A., ERPUL G.
International Soil Congress 2019, Ankara, Türkiye, 17 - 19 Haziran 2019, ss.318-322

Enhancing Mucus Clearance by Cough Through Repeated Pulses

TUNA D. L., ÜNAL M. A., ARI F., KRUMPE P., EVRENSEL A. C.
8th World Congress of Biomechanics, Dublin, İrlanda, 8 - 12 Temmuz 2018

Molecular simulation of PcCel45A protein expressed from Aspergillus Nidulans to understand its structure, dynamics and thermostability

ÜNAL M. A., BOYACIOĞLU B., ÜNVER H., ELMALI A.
3rd International Conference on Computational Mathematics and Engineering Sciences, Gazimagusa, Kıbrıs (Kktc), 04 Mayıs 2018

Persistent Organic Pollutants Detection with Biosensors

turgut y., türk d., ÜNAL M. A., YURDAKÖK DİKMEN B., çökeliler serdaroğlu d.
1st International Congress on Environment and Animal Health: Linking Endocrine Disrupters, Epigenetics, Biotechnology for Cancer in Animals, 6 - 08 Nisan 2018

Design of a Portable and Low-Cost Mass Sensitive Quartz Tuning Fork Sensor

ÜNAL M. A., ÇÖKELİLER SERDAROĞLU D., KOÇUM İ. C.
5th International Symposium on Sensor Science (I3S 2017), 27 - 29 Eylül 2017, cilt.1, ss.803 Creative Commons License

LACTATE BIOSENSORS IN MEDICAL AND FOOD INDUSTRY

ÖZOĞLU Ö., ÜNAL M. A., GÜNEŞ ALTUNTAŞ E.
International DNA Day and Genome Congress, Kırşehir, Türkiye, 24 - 28 Nisan 2017

Internet of Health IoH Integration of Social Media intoTelemedicine

ÜNAL M. A., Kaya M.
Proceedings of the World Congress on Electrical Engineering and Computer Systems and Science (EECSS 2015), 13 - 14 Temmuz 2015

Genetic Algorithm and Financial Optimisation

ÜNAL M. A.
1. InternationalEurasian Conference On Mathematical Sciences And Applications, 3 - 07 Eylül 2012

Kitap & Kitap Bölümleri

Hücresel Tedavide Biyosensör Uygulamaları

Ünal M. A., Özkan S. A.
Laboratuvardan Kliniğe Hematoloji Alanında Yenilikçi Tedaviler, Meltem KURT YÜKSEL,Nüket YÜRÜR KUTLAY, Editör, Türkiye Klinikleri Yayınevi, Ankara, ss.123-127, 2023 Creative Commons License

Yapay Zekâ Hâkimiyetinde Veri Merkezlerinin Varlığı

Ünal M. A., Özdemirci F.
Yapay Zekâ: Disiplinlerararsı Yaklaşımlar, Berrin Küçükcan,Banu Fulya Yıldırım, Editör, Vakıflar Genel Müdürlüğü Kültür Yayınları, İstanbul, ss.293-304, 2023 Creative Commons License

EBYS (e-BEYAS) ve e-Arşiv Sistemlerinde/Uygulamalarında Yapay Zeka Yaklaşımı

ÜNAL M. A., ÖZDEMİRCİ F.
Bilgi Sistemleri ve Bilişim Yönetimi: Beklentiler ve yeni Yaklaşımlar, Fahrettin Özdemirci, Zeynep Akdoğan, Editör, Ankara Üniversitesi Bilgi Yönetim Sistemleri Belgelendirme Merkezi (BİL-BEM), Ankara, ss.57-63, 2017

Metrikler

Yayın

69

Atıf (WoS)

577

H-İndeks (WoS)

8

Atıf (Scopus)

633

H-İndeks (Scopus)

8

Proje

28

Fikri Mülkiyet

1

Tez Danışmanlığı

4

Açık Erişim

6
BM Sürdürülebilir Kalkınma Amaçları