Article
Environmental Sciences
Florentina Zurita, Allan Tejeda, Arturo Montoya, Isaias Carrillo, Belkis Sulbaran-Rangel, Alejandra Carreon-Alvarez
Summary: This study investigated tequila factories in the state of Jalisco, Mexico, focusing on their locations, vinasse characteristics, treatment and disposal practices, and their environmental impacts. The results showed that small factories had issues with vinasse treatment and disposal, primarily discharging onto soils, with some regions also discharging into surface waters and sewage systems. The monitored stream was found to be heavily degraded, but the texture of the soils prevented vinasse infiltration into groundwater. These findings can guide the development of strategies for managing vinasses in tequila factories.
Article
Biochemical Research Methods
Weiya Xie, Ting Feng, Dong Yu, Dean Ta, Liming Cheng, Qian Cheng
Summary: In this study, a novel multi-wavelength photoacoustic time-frequency spectral analysis method was introduced to evaluate changes in bone chemical composition and microstructure. The results demonstrated the potential of this method to provide a thorough noninvasive and nonradiative evaluation of bone physico-chemical information.
BIOMEDICAL OPTICS EXPRESS
(2022)
Article
Biochemical Research Methods
Wenxiu Zhao, Haibo Yu, Zhixing Ge, Xiaoduo Wang, Yuzhao Zhang, Yangdong Wen, Hao Luo, Lianqing Liu, Wen Jung Li
Summary: This study proposes a photoacoustic imaging-based method for characterizing GelMA hydrogels. The method utilizes red blood cells as mediators to analyze the distribution and interconnectivity of pores in the hydrogel, and investigates the impact on nutrient diffusion. The findings offer a potential strategy for optimizing hydrogel parameters in biofabrication processes.
Article
Acoustics
K. Herrmann, N. W. Pech-May, M. Retsch
Summary: The photoacoustic measurement technique is a powerful method for characterizing thermal transport properties of thin films, particularly in isotropic low thermal diffusivity samples. Significant influence of thermal effusivity, thermal diffusivity, and sample layer thickness on the measurement accuracy is discussed. The method allows for direct extraction of thermal conductivity without separate determination of heat capacity when appropriate boundary conditions are met.
Article
Engineering, Mechanical
Zaiwei Liu, Bin Lin, Xiaohu Liang, Xiaokang Ma, Yangfan Wan
Summary: A multimode photoacoustic method is used to evaluate subsurface damage (SSD) in ground silicon wafers. Mode conversion of laser-generated broadband guided waves due to wafer thinning is analyzed using Bayesian inversion. The study shows that as the wafer is thinned, the mode of the laser-generated waves changes gradually from Rayleigh wave to Lamb wave.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2023)
Article
Optics
Yujiao Shi, Zhenhui Zhang
Summary: The nonlinear photoacoustic technique introduced in this study offers a new imaging contrast mechanism for tissue thermal nonlinearity characterization. By utilizing a sine-modulated Gaussian temperature field and the temperature dependence of thermal diffusivity, the technique produces second-harmonic photoacoustic signals that reflect nonlinear thermal-diffusivity characteristics of samples. The feasibility and potential of this technique in medical imaging applications have been demonstrated through studies on phantom samples and in vitro biological tissues.
CHINESE OPTICS LETTERS
(2021)
Article
Chemistry, Applied
Walter M. Warren-Vega, Rocio Fonseca-Aguinaga, Linda V. Gonzalez-Gutierrez, Francisco Carrasco-Marin, Ana I. Zarate-Guzman, Luis A. Romero-Cano
Summary: The study analyzed the effect of time in the maturation process of Tequila using two types of casks: new and medium-toasted cask. It found that the extraction process was slower in the medium-toasted cask due to textural characteristics related to the toasting stage. The research suggests validating the proposed model to improve the final product quality.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2021)
Review
Chemistry, Multidisciplinary
Mykola Isaiev, Gauhar Mussabek, Pavlo Lishchuk, Kateryna Dubyk, Nazym Zhylkybayeva, Gulmira Yar-Mukhamedova, David Lacroix, Vladimir Lysenko
Summary: Photoacoustic-based sensing approaches are essential for imaging and visualization in material research and biomedical applications. The compact size and on-site measurement capability of photoacoustic devices enable online monitoring of material parameters, which is significant for the development of various sensing applications.
Article
Food Science & Technology
C. Hernandez-Aguilar, A. Dominguez-Pacheco, C. Valderrama-Bravo, A. Cruz-Orea, E. Martinez Ortiz, Rumen Ivanov, J. Ordonez-Miranda
Summary: The study demonstrates that the addition of Moringa powder can increase the photoacoustic signal amplitude, improve the sanitary quality, and maintain the texture of wheat bread. There is a significant correlation between the signal at 300 and 330 nm wavelengths and the concentration of Moringa.
CURRENT RESEARCH IN FOOD SCIENCE
(2021)
Article
Radiology, Nuclear Medicine & Medical Imaging
Sharath K. Bhagavatula, Li Li, Guillermo J. Tearney
Summary: Interventional photoacoustic imaging (iPAI) has the potential to improve needle steering, target detection, and tissue assessment during minimally invasive procedures by enabling high precision imaging depth, spatial resolution, and visualization field in various biological tissues encountered in clinical practice. The experimental results strongly support further development of clinical iPAI systems for potential translation into clinical settings.
Article
Acoustics
Yan Yan, Samuel John, Tanyeem Shaik, Bijal Patel, Mai T. Lam, Loay Kabbani, Mohammad Mehrmohammadi
Summary: The study further explored an integrated photoacoustic-guided endovenous laser ablation system and compensating for temperature variations affecting PA signals. Results showed that the system provided high contrast and accurate images in vivo, as well as demonstrated the amplitude of absorption-compensated PA signals.
Article
Quantum Science & Technology
Jakob S. Kottmann, Sumner Alperin-Lea, Teresa Tamayo-Mendoza, Alba Cervera-Lierta, Cyrille Lavigne, Tzu-Ching Yen, Vladyslav Verteletskyi, Philipp Schleich, Abhinav Anand, Matthias Degroote, Skylar Chaney, Maha Kesibi, Naomi Grace Curnow, Brandon Solo, Georgios Tsilimigkounakis, Claudia Zendejas-Morales, Artur F. Izmaylov, Alan Aspuru-Guzik
Summary: Variational quantum algorithms are promising for near-term quantum computers, but lack standardized methods in algorithmic development. Heuristics are crucial, leading to a high demand for flexible and reliable ways to implement, test, and share new ideas. tequila is a Python development package designed for fast and flexible implementation, prototyping, and deployment of novel quantum algorithms.
QUANTUM SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Mareny Guadalupe Fernandez-Olaya, Adriana Paola Franco-Bacca, Pablo Genaro Martinez-Torres, Miguel Angel Ruiz-Gomez, David Meneses-Rodriguez, Roberto Li Voti, Juan Jose Alvarado-Gil
Summary: In materials science, understanding the thermal properties of thin films on thick substrates is crucial for determining their role in the overall physical properties of the system. However, it is challenging to determine the thermal properties of thin films due to the difficulty in isolating their influence from the substrate. This study presents a simple analytical methodology, based on the photoacoustic technique, for accurately characterizing the thermal properties of micrometric polymeric thin films on thick substrates.
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
(2023)
Article
Acoustics
Lokesh Basavarajappa, Kenneth Hoyt
Summary: A photoacoustic graphic equalization algorithm has been developed to characterize the relative size of optical absorbing aggregates. The algorithm divides the signal into different frequency bands to differentiate between different-sized optical absorbers. Results from experiments on various materials and samples show that the algorithm is able to accurately distinguish the size of optical absorbing aggregates.
Review
Engineering, Biomedical
Eduardo A. Gonzalez, Muyinatu A. Lediju Bell
Summary: Photoacoustic techniques offer advantages over gold standards for bone evaluation by identifying molecular changes in bone tissue and visualizing tissue microstructure without ionizing radiation. This review covers the contributions of photoacoustic imaging in various bone-related clinical applications and characterizing the biomechanical properties of bone. The future outlook is based on the current state of technological developments and recent achievements.
ANNUAL REVIEW OF BIOMEDICAL ENGINEERING
(2023)
