การเพิ่มประสิทธิภาพอิเล็กโทรด SPCE ด้วยอนุภาคนาโนของทองคำและแพลทินัมเพื่อปรับปรุงการตรวจจับภาวะเครียดจากปฏิกิริยาออกซิเดชัน
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Abstract
This research focuses on the synthesis of gold and platinum nanoparticles to enhance SPCE electrodes for future application in detecting oxidative stress using cyclic voltammetry techniques. TEM analysis showed that the nanoparticles sizes of approximately 6.4 nm, while XRD results indicated diffraction peaks for gold and platinum nanoparticles at 2 theta angles of approximately 38.1°, 44.4°, 64.8°, 77.6°, and 81.8°, with the latter corresponding to platinum. Following synthesis, the nanoparticles were electroplated onto the SPCE electrodes using an KCl solution mixed with gold and platinum nanoparticles at applied voltages of -0.25V, -0.5V, -0.75V, and -1V. Raman spectroscopy revealed peaks at 1200-1450 cm-¹ and 1500-1600 cm-¹, indicating carbon, gold, and platinum overlaps. SEM analysis showed clear characteristics of the gold nanoparticles. Cyclic voltammetry tests on the electroplated electrodes indicated that the -0.25 V voltage provided the most significant signal enhancement compared to other voltages and untreated electrodes. This study concludes that the use of gold and platinum nanoparticles significantly improves the signal of SPCE electrodes, promising advancements in oxidative stress detection research.
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เนื้อหาและข้อมูลในบทความที่ลงตีพิมพ์ในวารสารวารสารวิทยาศาสตร์และเทคโนโลยีถือเป็นข้อคิดเห็นและความรับผิดชอบของผู้เขียนบทความโดยตรงซึ่งกองบรรณาธิการวารสาร ไม่จำเป็นต้องเห็นด้วย หรือร่วมรับผิดชอบใด ๆ
บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการตีพิมพ์ในวารสารวารสารวิทยาศาสตร์และเทคโนโลยีถือเป็นลิขสิทธิ์ของวารสารวารสารวิทยาศาสตร์และเทคโนโลยีหากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือเพื่อกระทำการใด ๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวารสารวิทยาศาสตร์และเทคโนโลยี ก่อนเท่านั้น
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