Results 41 to 50 of about 50,847 (273)

A Fluorescent and Colorimetric Chemosensor for Hg2+ Based on Rhodamine 6G With a Two-Step Reaction Mechanism

Frontiers in Chemistry, 2020
A fluorescent and colorimetric chemosensor L based on rhodamine 6G was designed, synthesized, and characterized. Based on a two-step reaction, the chemosensor L effectively recognized Hg2+.
Cui-Bing Bai, Cui-Bing Bai, Wei-Gang Wang, Jie Zhang, Chang Wang, Chang Wang, Rui Qiao, Rui Qiao, Biao Wei, Biao Wei, Lin Zhang, Lin Zhang, Shui-Sheng Chen, Shui-Sheng Chen, Song Yang, Song Yang   +15 more
doaj   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

Advanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi, Norma Mallegni, Andrea Dorigato, Mario Milazzo   +3 more
wiley   +1 more source

Discovery of 21 New Changing-look AGNs in Northern Sky

, 2018
The rare case of changing-look (CL) AGNs, with the appearance or disappearance of broad Balmer emission lines within a few years, challenges our understanding of the AGN unified model.
Fan, Xiaohui, Feng, Xiaotong, Fu, Yuming, Green, Richard, Jiang, Linhua, Joshi, Ravi, Liu, Yuanqi, McGreer, Ian, Shangguan, Jinyi, Wang, Bingquan, Wang, Feige, Wu, Xue-Bing, Yang, Jinyi, Yang, Qian, Yao, Su   +14 more
core   +1 more source

Fluorescent Nanosensor for Indole‐3‐Propionic Acid Detection in Gut Health Monitoring

Advanced Healthcare Materials, EarlyView.
This work introduces a fluorescent nanosensor system with two optical modalities for detection of indole‐3‐propionic acid (IPA) gut metabolite: (1) blue‐emitting cationic conjugated polyelectrolyte (CP3) and (2) near‐infrared (NIR)‐emitting CP3‐wrapped single‐walled carbon nanotube (SWNT).
Mervin Chun‐Yi Ang, Jonathan Wei Jie Lee, Sayyid Mohaideen, Gabriel Sánchez‐Velázquez, Song Wang, Yangyang Han, Liu Lin, Germaine Yong, Raju Cheerlavancha, Duc Thinh Khong, Jianhong Ching, Sharon Hong Yu Han, Jun Yu Yeo, Lian Xu, Gajendra Pratap Singh, Michael S. Strano   +15 more
wiley   +1 more source

Milk urea analytical result reliability and its methodical possibilities in the Czech Republic

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013
Control of milk urea concentration (MUC) can be used in diagnosis of the energy–nitrogen metabolism of cows. There are more analytical methods for MUC estimation and there are also discussions about their result reliability.
Jan Říha, Oto Hanuš, Marta Kleinová, Pavel Kopunecz, Petr Roubal, Aleš Kolář, Jaroslav Kopecký   +6 more
doaj   +1 more source

Near-Infrared Reflectance Spectrophotometry (NIRS) Application in the Amino Acid Profiling of Quality Protein Maize (QPM)

Foods, 2022
The accurate quantification of amino acids in maize breeding programs is challenging due to the high cost of analysis using High-Performance Liquid Chromatography (HPLC) and other conventional methods.
Emmanuel Oladeji Alamu, Abebe Menkir, Michael Adesokan, Segun Fawole, Busie Maziya-Dixon   +4 more
doaj   +1 more source

The secondary star and distance of the polar V1309 Ori [PDF]

, 2006
The first phase-resolved JHK light curves of the eclipsing polar (AM Herculis binary) V1309 Ori are presented and interpreted. We separate the contributions from the secondary star and from other sources with the aim of determining a photometric distance.
Bailey, Barnes, Beuermann, Beuermann, Beuermann, Beuermann, Beuermann, Buckley, Claret, Claret, Garnavich, Gänsicke, Harrop-Allin, K. Beuermann, K. Reinsch, Katajainen, King, O'Brien, Ramseyer, Schmidt, Schwarz, Shafter, Staude, Tokunaga, Walter, Wu, Y. Kim   +26 more
core   +2 more sources

A Cryoprotectant‐Compatible Nanoporous Platform for Stable and Scalable Delivery of Biopharmaceuticals

Advanced Materials, EarlyView.
A cryoprotectant‐compatible nanoporous platform enables ambient‐stable and scalable delivery of gene editing therapeutics. By combining hierarchical pore architecture with optimized lyophilization chemistry, the system preserves Cas9‐RNP activity post‐freeze‐drying.
Sian Lee, Seongchan Kim, Jooyeun Chong, Min‐gyeong Kim, Kayeong Lim, Nan‐Ee Lee, Jahyun Koo, Jiheong Kang, Hyojin Lee   +8 more
wiley   +1 more source

Synthesis Analgetic-Antiiflammation N-(4t-Buthylbenzoil)-p-Aminophenol by Using MgF2 Catalist

Jurnal Ilmu Dasar, 2018
Synthesis of N-(4t-buthylbenzoyl)-p-aminophenol has been done by reacting p-aminophenol and 4-tert- buthylbenzoyl chloride compounds with 1% MgF2 catalyst. N-(4t-buthylbenzoyl)-p- aminophenol as an antiinflamatory analgesic.
Hadi Barru Hakam Fajar Siddiq, Mikhania Christiningtyas Eryani, Farida Suryaningsih   +2 more
doaj   +1 more source

First Results from the rapid-response spectrophotometric characterization of Near-Earth Objects [PDF]

, 2019
As part of our multi-observatory, multi-filter campaign, we present \rmi color observations of 82 Near-Earth Objects (NEOs) obtained with the RATIR instrument on the 1.5m robotic telescope at the San Pedro Martir's National Observatory in Mexico.
Axelrod, Tim, Butler, Nathaniel, Jedicke, Robert, Mommert, Michael, Moskovitz, Nicholas, Navarro-Meza, Samuel, Pichardo, Barbara, Reyes-Ruiz, Mauricio, Trilling, David   +8 more
core   +2 more sources