İlaç ve uyuşturucu tıbbi maddelerin içeriklerinin lazer uyarmalı plazma analiz spektroskopisi tekniği ile araştırılması

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2018

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Department of Electrical & Electronics Engineering
Department of Electrical and Electronics Engineering (EE) offers solid graduate education and research program. Our Department is known for its student-centered and practice-oriented education. We are devoted to provide an exceptional educational experience to our students and prepare them for the highest personal and professional accomplishments. The advanced teaching and research laboratories are designed to educate the future workforce and meet the challenges of current technologies. The faculty's research activities are high voltage, electrical machinery, power systems, signal and image processing and photonics. Our students have exciting opportunities to participate in our department's research projects as well as in various activities sponsored by TUBİTAK, and other professional societies. European Remote Radio Laboratory project, which provides internet-access to our laboratories, has been accomplished under the leadership of our department with contributions from several European institutions.

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Lazerle uyarılan plazma spektroskopisi, katı, sıvı ve gazlarda element konsantrasyonunun ölçülmesinde başarıyla kullanılmaktadır. Lazerle oluşturulan plazma elektron ve iyonların yanı sıra nötr parçacıklardan oluşmaktadır. Bu ölçüm tekniğinde nötr ve iyonlardan gelen emisyon spektrumu kaydedilir ve bu spektrumu analiz edilerek içinde var olan elementler tanımlanır ve bunların test madde içindeki konsantrasyonları belirlenir. Bu çalışmada, ilaç ve benzeri tıbbi maddelerin içeriklerini mevcut araştırma yöntemlerine göre daha duyarlı ve kesin biçimde elde etmek amacıyla, lazerle oluşturulan plazma spektroskopisi analiz edildi. Bu deney tekniği ve elde edilen bulgular literatürde yer alan benzeri deney sonuçları ve kuramsal çalışmalar ile karşılaştırıldı. Sonuç olarak, bu çalışmada geliştirilen ölçüm tekniği, gerek lazer özellikleri gerekse incelenen numunelerin içerdiği elementleri belirlenme duyarlılığı bakımından üstünlüklere sahip olduğu saptandı.
Laser Induced Breakdown Spectroscopy (LIBS), which is a laser based diagnostic technique, has been proved to be effective for measuring the concentration of elements in various types of test media including solids, liquids and gases. The laser induced breakdown plasma consists of electrons and ions as well as neutral particles. The optical emissions from the neutral and ionized atoms are collected to obtain the emission spectrum to be analyzed. The analysis of the LIBS spectrum identifies the elements present in the sample and provides information about elemental concentrations in the test medium. This study aims to develop a laser induced breakdown spectroscopic method to improve the detection limits of the pharmaceutical samples. The study will start with an analysis on current techniques. The well known experimental techniques will be also compared in term of various accuracy characteristics for measuring different parameters. In conclusion, a new model will be elaborated in respect to pharmaceutical industry based on laser and spectrograph types, and also the limitations on detection capability.

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Fizik ve Fizik Mühendisliği, Physics and Physics Engineering

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87