Results 111 to 120 of about 3,501,692 (262)

Low-cost resonant cavity Raman gas probe for multi-gas detection [PDF]

, 2014
Raman based gas sensing can be attractive in several industrial applications, due to its multi-gas sensing capabilities and its ability to detect O_2 and N_2. In this article, we have built a Raman gas probe, based on low-cost components, which has shown
Thorstensen, J.; SINTEF ICT, Optical measurement systems, 0373 Oslo, Norway, Ferber, A.; SINTEF ICT, Optical measurement systems, 0373 Oslo, Norway, Bakke, K. A. H.; SINTEF ICT, Optical measurement systems, 0373 Oslo, Norway, Tschudi, J.; SINTEF ICT, Optical measurement systems, 0373 Oslo, Norway, Haugholt, K. H.; SINTEF ICT, Optical measurement systems, 0373 Oslo, Norway   +4 more
core   +2 more sources

Raman‐based label‐free microscopic analysis of the pancreas in living zebrafish larvae

FEBS Open Bio, EarlyView.
Forward stimulated Raman scattering (F‐SRS) and epi coherent anti‐Stokes Raman scattering (E‐CARS) allow label‐free discrimination of distinct subcellular structures in the pancreas of living zebrafish larvae. Given the straightforward applicability, we anticipate broad implementation of Raman microscopy in other organs and across various biomedical ...
Noura Faraj, Eline M. F. de Lange, Klaas A. Sjollema, Ben N. G. Giepmans   +3 more
wiley   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

FEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli, Mohammad Nour Alsamsam, Ugnė Bagdonaitė, Van Truc Vu, Chun‐Jen Huang, Polina Kuzhir, Mindaugas Zaremba, Aurimas Kopūstas, Marijonas Tutkus   +8 more
wiley   +1 more source

Design and implementation of an electro-optical backplane with pluggable in-plane connectors [PDF]

, 2010
The design, implementation and characterisation of an electro-optical backplane and an active pluggable in-plane optical connector technology is presented. The connection architecture adopted allows line cards to be mated to and unmated from a passive
Offrein, B.J., Selviah, D.R., Horst, F., Hopkins, K., Pitwon, R.C.A., Gmür, M., Wang, K., Baghsiahi, H., Dangel, R., Halter, M.   +9 more
core  

Eight state optical flip-flop based on coupled unidirectional ring lasers with optical feedback

, 2006
An eight-state optical flip-flop based on coupled unidirectional ring lasers with optical feedback is demonstrated. The flip-flop exhibits low power operation since it contains only one gain medium.
Z. Li, Ju, H, Zhang, S., D. Lenstra, S. Zhang, Li, Z., H. Ju, Liu, Y., Zhang, S Shaoxian, Ju, H., Liu, Y Yong, H.J.S. Dorren, Lenstra, D.; id_orcid, Lenstra, D Daan, Li, Z Zhonggui, Lenstra, D., Khoe, GD Giok-Djan, Khoe, G.D., Y. Liu, Dorren, HJS Harm, G.D. Khoe, Dorren, H.J.S.   +21 more
core   +1 more source

An Optical Technique for Newtonian Fluid Viscosity Measurement Using Multiparameter Analysis

Applied Rheology, 2014
This work presents a technique based on optical tracking of the free fall in a Newtonian fluid used in falling ball viscometers. Classical techniques have shown, on one hand a limit in the ball falling height measurement, on the other hand a limit in the
Kheloufi Noureddine, Lounis Mourad
doaj   +1 more source

Optimizing photoactivation of PA‐mCherry for optical pooled CRISPR screens

FEBS Open Bio, EarlyView.
Photoactivatable PA‐mCherry finds widespread use to optically tag individual cells. However, confocal 405 nm UV laser‐scanning (normal scan) is much less efficient than widefield UV illumination, limiting the use of PA‐mCherry on confocal instruments. We remedy this limitation by reporting that rapid and repeated confocal scanning with a low‐intensity,
Sravasti Mukherjee, Giulia Zanetti, Bram van den Broek, Kees Jalink   +3 more
wiley   +1 more source

Study of the electrical and optical properties of Ge27Se58Pb15 chalcogenide glass

Journal of Asian Ceramic Societies, 2018
The present article reports electrical and optical properties of Ge27Se58Pb15 chalcogenide glass prepared through melt quenching technique. The dc electrical conductivity has been studied as a function of temperature and activation energy of conduction ...
Deepika, Hukum Singh, K. S. Rathore, N. S. Saxena   +3 more
doaj   +1 more source

RoundMi: A quantitative method to analyze mitochondrial morphology in mitotic cells

FEBS Open Bio, EarlyView.
RoundMi is a workflow for rapid analysis of mitochondrial morphology in mitotic cells. By combining adaptive preprocessing with automated segmentation and quantification, it enables accurate measurements from single focal plane images, reducing acquisition time and computational demands while remaining compatible with high‐throughput fixed and live ...
Elmira Parvindokht Bararpour, Christine Volmert, Valentina Piano   +2 more
wiley   +1 more source

The Development of a Novel Nitrate Portable Measurement System Based on a UV Paired Diode–Photodiode

Sensors
Nitrates can cause severe ecological imbalances in aquatic ecosystems, with considerable consequences for human health. Therefore, monitoring this inorganic form of nitrogen is essential for any water quality management structure.
Samuel Fernandes, Mouhaydine Tlemçani, Daniele Bortoli, Manuel Feliciano, Maria Elmina Lopes   +4 more
doaj   +1 more source