- Algal biology and biofuel production
- Laser-induced spectroscopy and plasma
- Analytical chemistry methods development
- Photonic and Optical Devices
- Solar-Powered Water Purification Methods
- Plasma Applications and Diagnostics
- Optical Imaging and Spectroscopy Techniques
- Photonic Crystals and Applications
- Advanced Thermodynamics and Statistical Mechanics
- Marine and coastal ecosystems
- Cultural Heritage Materials Analysis
- Photonic Crystal and Fiber Optics
- Photosynthetic Processes and Mechanisms
- Plasma Diagnostics and Applications
- Mercury impact and mitigation studies
- Spectroscopy and Laser Applications
- Aquatic Ecosystems and Phytoplankton Dynamics
- Optical Network Technologies
- Semiconductor Lasers and Optical Devices
- Microbial Fuel Cells and Bioremediation
- Terahertz technology and applications
- Advanced Fiber Optic Sensors
- Thermal Radiation and Cooling Technologies
- Optical Coherence Tomography Applications
- Catalytic Processes in Materials Science
Ankara Hacı Bayram Veli University
2019-2024
The University of Texas at Austin
2007-2018
Gazi University
2016-2018
Samueli Institute
2007-2013
University of California, Los Angeles
2006-2013
Middle East Technical University
2009-2013
Pamukkale University
2008-2009
Purdue University West Lafayette
2003
Abstract In this study, we present the design of a photonic crystal (PC) structure with hexagonal lattice, where adjustments to PC unit cell symmetry reveal an all-angle self-collimation (SC) effect. By optimizing opto-geometric parameters, such as rotational angle auxiliary rods and adjacent distances, analyze SC property in detail, leveraging group velocity dispersion (GVD) third-order (TOD) characteristics. We also investigate relationship between properties their influence on Through...
This paper reports the cell–substratum interactions of planktonic (Chlorella vulgaris) and benthic (Botryococcus sudeticus) freshwater green algae with hydrophilic (glass) hydrophobic (indium tin oxide) substrata to determine critical parameters controlling adhesion algal cells surfaces. The surface properties were quantified by measuring contact angle, electrophoretic mobility, streaming potential. Using these data, modeled using thermodynamic, DLVO, XDLVO approaches. Finally, rate...
This study presents a second‐order energy return on investment analysis to evaluate the mutual benefits of combining an advanced wastewater treatment plant (WWTP) (with biological nutrient removal) with algal biofuel production. With conventional, independently operated systems, algae production requires significant material inputs, which require directly and indirectly, WWTP inputs for waste streams. The values independent operation biofuels facility were determined be 0.37 0.42,...
This article reports a combined experimental and numerical study on the efficient operation of Porous Substrate Bioreactors. A comprehensive model integrating light transport, mass algal growth kinetics was used to understand productivity photosynthetic biofilms in response delivery rates photons nutrients. The reactor under consideration an evaporation driven Bioreactor (PSBR) cultivating cyanobacteria Anabaena variabilis as biofilm porous substrate which delivers water nutrients cells. In...
This paper reports an experimental study on dissociating carbon dioxide (CO2) using a microhollow cathode discharge (MHCD) plasma reactor operated at 1 atm. The MHCD reactors can be promising technology for gases, including CO2, as they do not require catalysts, operate around room temperature, and inexpensively built operated. In this study, CO2 balanced with the carrier gas argon (Ar) was fed through reactor, parametric experiments were conducted to investigate effects of applied voltage,...
Heterojunction formation is the key to adjusting electronic and optoelectronic properties of various semiconductor devices. There have been reports on importance semiconducting heterojunction devices based metal oxides. Titanium dioxide (TiO
This study describes the thermal modeling of a novel algal biofilm photobioreactor aimed at cultivating algae for biofuel production. The model is developed to assess photobioreactor’s profile and evaporative water loss rate range environmental parameters, including ambient air temperature, solar irradiation, relative humidity, wind speed. First, week-long simulation system has been performed using data Memphis, TN, on typical week during spring, summer, fall, winter. Then, sensitivity...
This article presents a multispectral image analysis approach for probing the spectral backscattered irradiance from algal cultures. It was demonstrated how this information can be used to measure biomass concentration, detect invasive species, and monitor culture health in real time. To accomplish this, conventional RGB camera as three band photodetector imaging cultures of green alga Chlorella sp. cyanobacterium Anabaena variabilis. A novel floating reference platform placed culture, which...
This article reports a novel multispectral image processing technique for rapid, noninvasive quantification of biomass concentration in attached and suspended algae cultures. Monitoring the is critical efficient production biofuel feedstocks, food supplements, bioactive chemicals. Particularly, rapid detection techniques can significantly aid providing delay‐free process control feedback large‐scale cultivation platforms. In this technique, three‐band spectral images Anabaena variabilis...
For understanding the mechanisms of low-level laser/light therapy (LLLT), accurate knowledge light interaction with tissue is necessary. We present a three-dimensional, multilayer reduced-variance Monte Carlo simulation tool for studying penetration and absorption in human skin. Local profiles volumetric were calculated uniform as well Gaussian profile beams different spreads over spectral range from 1000 to 1900 nm. The results showed that lasers within this wavelength could be used...