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سعد بن علي بن عبد الله القرني

Assistant Professor

عضو هيئة تدريس

كلية العلوم
مبنى 4 الدور الثاني ب 9
المنشورات
مقال فى مجلة
2016

Digital image capture and analysis for simultaneous static and dynamic light scattering for biological systems

The Area Recorded Generalized Optical Scattering (ARGOS) approach to light scattering employs large image capture array allowing for a well-defined geometry in which images may be manipulated to extract structure with intensity at a specific scattering wave vector (I(q)) and dynamics with intensity at a specific scattering wave vector over time (I (q, t)). The ARGOS method provides morphological dynamics noninvasively over a long time period and allows for a variety of aqueous conditions. This is important because traditional growth models do not provide for conditions similar to the natural environment. The present study found that the population dynamics of bacteria do not follow a traditional growth model and that the ARGOS method allowed for the observation of bacterial changes in terms of individual particles and population dynamics in real time. The observations of relative total intensity suggest that there is no stationary phase and that the bacterial population demonstrates sinusoidal type patterns consistently subsequent to the log phase growth. These observation were compared to shape changes by modeling fractal dimension and size changes by modeling effective radius.

نوع عمل المنشور
Paper
اسم الناشر
IEEE
مزيد من المنشورات
publications

This study investigates 4-Fluorochalcone as a potential anticancer agent using both experimental and computational methods. FT-IR, FT-Raman, and UV–Vis spectroscopy provided detailed information…

بواسطة K. Langeswaran, Saad Ali AlGarni, M. Muthuramamoorthy, P. Saravanan, R. Premkumar, R. Sangeetha
2024
تم النشر فى:
Journal of Molecular Structure
publications

We show that an SnO2-based water-gate thin film transistor (WGTFT) biosensor responds to a waterborne analyte, the spike protein of the SARS-CoV-2 virus, by a parallel potentiometric and…

بواسطة AlQahtani H, Alswieleh A, Al-Khurayyif I, Saad Ali AlGarni, Grell M
2021
تم النشر فى:
Sensors