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Tattoo Removal using (1064 nm and 532 nm) Q-Switched Nd: YAG Laser
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Background: A tattoo is a foreign material implanted into the dermis by needle or some other trauma that
results in a visible mark in the skin .either decorative or cosmetic tattoos or may be traumatic tattoos
resulting from car accident or iatrogenic tattoos placed in radiation ports. There are many ways for tattoo
removal one of them is laser treatment by Q-Switched (1064 nm and 532 nm) Nd: YAG Laser.
Objectives: The purpose of this study is to evaluate the efficacy and safety of Q-Switched Nd: YAG (1064 &532 nm) Laser in treatment of tattoos.
Patient and Method: Nineteen lesions of tattoo in different body sites in nine patients collected in private
plastic surgery clinic in Baghdad from 1st of September 2010 till end of February 2011 treated by QSwitched
Nd: YAG Laser with energy density 8.5 J/cm2 and multiple sessions of treatment up to five with to 6weeks interval.
Results: The response of tattoo to laser treatment was variable from patient to patient and from session to
session of same tattoo. In general the results were encouraging in majority of lesions except in 5 lesions in
which ink has been used for tattooing introduced so deep by manual pricking with needle.
Conclusion: switch Nd-YAG laser is a safe and effective option for tattoo removal

لمقدمة: الوشم عبارة عن مادة غريبة تدخل في أدمة الجلد بواسطة وغز أبرة او أي شدة خارجية اخرى فتنتج علامة في الجلد، وتستخدم لغرض الديكور او الجمالية واحيانا تكون ناتجة عن حادثة طريق واحيانا أخرى نقوم بعمل الوشم لأسباب علاجية مثل تحديد الأماكن المحتاجة الى تسليط علاج أشعاعي.

هنالك طرق عدة لأزالة الوشم و واحدة من هذه الطرق هو ازالة الوشم باستخدام كيو سوج (1064نانو متر،  532 نانو متر) اندي ياك ليزر.

اهداف الدراسة:- هو تقييم فعالية كيو سوج (1064نانو متر،   532 نانو متر) اندي ياك ليزر في ازالة الوشم ومدى سلامته.

ألأساليب :- تسع عشرة حالة وشم في اماكن متعددة لجسم تسعة ذكور تمت معالجتها بكيو سوج (1064نانو متر،   532 نانو متر) اندي ياك ليزر بطاقة 8,5  جول لكل سنتمتر مربع عدة جلسات قد تصل الى خمسة جلسات وبين جلسة واخرى على الاقل ثلاثة اسابيع وقد تصل الى ستة.

النتائج:-  كانت النتائج متباينة  من شخص الى شخص ومن وشم الى وشم لنفس الشخص ومن جلسة واخرى لنفس الوشم , بصورة عامة كانت النتائج مشجعة بأستثناء خمسة حالات كان الوشم فيها قد عمل بواسطة وغز يدوي مع الحبر الملون.

الأستنتاج:-  ان كيو سوج (1064نانو متر،   532 نانو متر) اندي ياك ليزر فعال وخيار أمين لازالة الوش

 

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Publication Date
Tue Feb 01 2022
Journal Name
Baghdad Science Journal
Physical Properties of Cu Doped ZnO Nanocrystiline Thin Films
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Thin films of ZnO nano crystalline doped with different concentrations (0, 6, 9, 12, and 18 )wt. % of copper were deposited on a glass substrate via pulsed laser deposition method (PLD). The properties of ZnO: Cu thin-nanofilms have been studied by absorbing UV-VIS, X-ray diffraction (XRD) and atomic force microscopes (AFM). UV-VIS spectroscopy was used to determine the type and value of the optical energy gap, while X-ray diffraction was used to examine the structure and determine the size of the crystals.  Atomic force microscopes were used to study the surface formation of precipitated materials. The UV-VIS spectroscopy was used to determine the type and value of the optical energy gap.

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Publication Date
Thu Apr 06 2023
Journal Name
Materials Science Forum
Study of the Effect of Ce <sup>3+</sup> on the Gas Sensitivity and Magnetic Properties of Cu<sub>x</sub>Ce<sub>0.3-X</sub>Ni<sub>0.7</sub>Fe<sub>2</sub>O<sub>4</sub> Ferrite Nanoparticles
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This study includes the preparation of the ferrite nanoparticles CuxCe0.3-XNi0.7Fe2O4 (where: x = 0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3) using the sol-gel (auto combustion) method, and citric acid was used as a fuel for combustion. The results of the tests conducted by X-ray diffraction (XRD), emitting-field scanning electron microscopy (FE-SEM), energy-dispersive X-ray analyzer (EDX), and Vibration Sample Magnetic Device (VSM) showed that the compound has a face-centered cubic structure, and the lattice constant is increased with increasing Cu ion. On the other hand, the compound has apparent porosity and spherical particles, and t

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