Results 51 to 60 of about 43,829 (291)

Correlation of trans-lycopene measurements by the HPLC method with the optothermal and photoacoustic signals and the color readings of fresh tomato homogenates [PDF]

, 2009
The trans-lycopene content of fresh tomato homogenates was assessed by means of the laser photoacoustic spectroscopy, the laser optothermal window, micro-Raman spectroscopy, and colorimetry; none of these methods require the extraction from the product ...
Ksenija Marković, Charlotte van Twisk, Bicanic, D., Dane Bicanic, Bicanic, Dane, Bicanic, D.D., Dimitrovski, Darko, Buijnsters, J.G., Markovic, Ksenija, Buijnsters, Josephus Gerardus, Twisk, C., van, Otto Dóka, Luterotti, S., Luterotti, Svjetlana, Doka, O., Doka, Otto, Darko Dimitrovski, Dimitrovski, D., van Twisk, Charlotte, Svjetlana Luterotti, Markovic, K., Josephus G. Buijnsters, Twisk, C. van, Buijnsters, Josephus G   +23 more
core   +1 more source

The photoacoustic tomographic imaging system based on diode laser and microphone for analyzing healthy and sick colon of broiler

, 2022
Research concerned about the analysis of the colon of sick and healthy broilers using a photoacoustic tomographic image system based on a 532 nm green diode laser and a condenser microphone.
Arta Bayti Bonita, Bonita, Arta Bayti, Wasono, Mohammad Ali Joko, Mitrayana, Mitrayana, Mitrayana, Mohammad Ali Joko Wasono   +5 more
core   +1 more source

Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond

Advanced Materials, EarlyView.
Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang, Avirup Sardar, Weijie Ji, Zhongyu Liu, Rongchao Jin   +4 more
wiley   +1 more source

New Endoscopic Imaging Technology Based on MEMS Sensors and Actuators

Micromachines, 2017
Over the last decade, optical fiber-based forms of microscopy and endoscopy have extended the realm of applicability for many imaging modalities. Optical fiber-based imaging modalities permit the use of remote illumination sources and enable flexible ...
Zhen Qiu, Wibool Piyawattanamatha
doaj   +1 more source

Performance Evaluation of Cross-Correlation Based Photoacoustic Measurement of a Single Object with Sinusoidal Linear Motion

Applied Sciences, 2023
Photoacoustic (PA) velocimetry holds the advantage of detecting ultrasound signals from selective targets sensitive to specific wavelengths of light irradiation.
Kotaro Fujinami, Katsuaki Shirai
doaj   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

Stand-Off Chemical Detection Using Photoacoustic Sensing Techniques—From Single Element to Phase Array

Chemosensors, 2018
Technologies that can detect harmful chemicals, such as explosive devices, harmful gas leaks, airborne chemicals or/and biological agents, are heavily invested in by the government to prevent any possible catastrophic consequences.
Deepa Gupta, Xing Chen, Chen-Chia Wang, Sudhir Trivedi, Fow-Sen Choa   +4 more
doaj   +1 more source

Integrated system for ultrasonic, elasticity and photoacoustic imaging [PDF]

, 2008
textBy integrating three complementary imaging techniques - ultrasound, elasticity and photoacoustic imaging, a hybrid imaging system utilizing an array transducer is proposed for various biomedical imaging applications including cancer detection ...
Park, Suhyun, 1977-
core  

Photoacoustic Nanotagging for In Vivo Tracking and Optimization of Macrophage Immunotherapy in Solid Tumors

Advanced Materials, EarlyView.
Macrophage‐based immunotherapy for solid tumors is limited by poor tracking of cell localization and persistence. This study introduces nanotagged macrophages enabling near‐infrared photoacoustic imaging for real‐time monitoring. IFNγ‐conjugated tags enhance antitumor polarization without harming viability.
Seoyoon Song, Melissa Cadena, Myeongsoo Kim, Euisuk Chung, Jeungyoon Lee, Zlata Brushevich, Seonghun Shin, Paul S. Pelkowski, Stanislav Y. Emelianov   +8 more
wiley   +1 more source

Photoacoustic characterization of CuSe metal chalcogenide semiconductor using phase signal analysis [PDF]

, 2008
Open photoacoustic cell analysis has been done on CuSe metal chalcogenide semiconductor to obtain thermal and carrier transport properties. The thermal diffusivity, carrier diffusion coefficient, surface recombination velocity and recombination lifetime ...
Abd. Moksin, Mohd Maarof, Lim, Kean Pah, Wan Yusoff, Wan Mohamad Daud, Talib, Zainal Abidin, Mat Yunus, Wan Mahmood, Zainal, Zulkarnain, Liew, Josephine Ying Chyi, Shaari, Abdul Halim   +7 more
core   +1 more source