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Laser Photoacoustic Detection Allows in Planta Detection of Nitric Oxide in Tobacco following Challenge with Avirulent and Virulent Pseudomonas syringae Pathovars1
We demonstrate the use of laser photoacoustic detection (LPAD) as a highly sensitive method to detect in planta nitric oxide (.NO) production from tobacco (Nicotiana tabacum). LPAD calibrationExpand
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Inhibition of Lipid Peroxidation Induced by Ultraviolet Radiation by Crude Phlorotannis Isolated from Brown Algae Sargassum hystrix v. buxifolium C. Agardh
This study examines the antioxidant activity of crude phlorotannins from the brown algae Sargassum hystrix v. buxifolium (Chauvin) J. Agardh, through the inhibition of a lipid peroxidation reactionExpand
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Phasor representation for the nonlinear photoacoustic signal
In CO2 laser-based photoacoustic (PA) systems, N2 takes part in the generation of the PA signal. This process causes the nonlinear relation of the photoacoustic signal to the CO2 concentration. ThisExpand
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Penerapan Penghalusan Savitzky-Golay pada Pengukuran Konsentrasi Etilen dengan Detektor Fotoakustik
Telah dilakukan pengukuran konsentrasi etilen dari biocream yang dikenai paparan sinar ultraviolet. Pengukuran dilakukan dengan detektor fotoakustik. Untuk mengurangi efek derau, telah dilakukanExpand
Pengukuran Konstanta Pendinginan Newton
Pengukuran Modulus Young dengan Analisis Keadaan Resonansi Batang Aluminium yang Bergetar Menggunakan ImageMeter
Abstract: An experiment to determine Young’s Modulus by analyzing the vibrations of an aluminum bar has been conducted. The aluminium bar is vibrated by the magnetic field. A tiny magnet is glued atExpand
Detection of ethylene for in vitro evaluation of the uv photoprotection
In this study, the antioxidant capacity during UV exposure has been investigated by using a laser-based trace gas detector for the detection of gaseous ethylene as an indicator for lipidExpand
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Metode Analisis Model Peluruhan Bahan Radioaktif dengan Menggunakan Sensor Gaya dan Rekaman Video
Abstract: The number of decayed radioactive materials each time leads to the exponential law. Process of the decaying radioactive materials can’t easily be seen, so it can be modeled using the flowExpand
Tanggapan siswa terhadap eksperimen terbimbing pada pembelajaran materi elastisitas
Pembelajaran diharapkan menumbuhkan pemahaman siswa terhadap materi ajar serta mengembangkan karakter siswa. Karena bidang fisika menyangkut teori, eksperimen, dan terapan, maka pembelajarannya dapatExpand
Nonlinear System Of Equations For Multicomponent Analysis Of Artificial Food Coloring
In multicomponent analysis of artificial food coloring (AFC), nonlinear relation of the absorbance and the concentration forms a nonlinear system of equations. The Newton’s method based algorithm hasExpand