scholarly journals Poly(arylene ynonylene) with an aggregation-enhanced emission characteristic: a fluorescent sensor for both hydrazine and explosive detection

RSC Advances ◽  
2013 ◽  
Vol 3 (22) ◽  
pp. 8193 ◽  
Author(s):  
Jie Li ◽  
Jianzhao Liu ◽  
Jacky W. Y. Lam ◽  
Ben Zhong Tang
Keyword(s):  
Fluorescent Sensor ◽  
Explosive Detection ◽  
Emission Characteristic

A “turn-off” fluorescent sensor based on electrospun polycaprolactone nanofibers and fluorene(bisthiophene) derivative for nitroaromatic explosive detection

2021 ◽  
pp. 111056
Author(s):  
Anna Paula L.A. Santos ◽  
Gerard O. Deokaran ◽  
Cristiane V. Costa ◽  
Lillia I.L.M. Gama ◽  
Edu G. Mazzini Júnior ◽  
...  
Keyword(s):  
Fluorescent Sensor ◽  
Explosive Detection ◽  
Nitroaromatic Explosive

scholarly journals Improvement of Explosive Detection with a Fluorescent Sensor Using a Heating Device

2014 ◽  
Vol 87 ◽  
pp. 208-211 ◽  
Author(s):  
Damien Rembelski ◽  
Christelle Barthet ◽  
Céline Frénois ◽  
Geoffrey Gregis
Keyword(s):  
Fluorescent Sensor ◽  
Explosive Detection ◽  
Heating Device

A facile and sensitive fluorescent sensor using electrospun nanofibrous film for nitroaromatic explosive detection

2011 ◽  
Vol 21 (32) ◽  
pp. 11895 ◽  
Author(s):  
Yufei Yang ◽  
Huaming Wang ◽  
Kai Su ◽  
Yuanyuan Long ◽  
Zhou Peng ◽  
...  
Keyword(s):  
Fluorescent Sensor ◽  
Explosive Detection ◽  
Nitroaromatic Explosive

A metal–organic framework with a 9-phenylcarbazole moiety as a fluorescent tag for picric acid explosive detection: collaboration of electron transfer, hydrogen bonding and size matching

RSC Advances ◽  
2014 ◽  
Vol 4 (88) ◽  
pp. 47357-47360 ◽  
Author(s):  
Xiaoli Jiang ◽  
Yanhong Liu ◽  
Pengyan Wu ◽  
Lei Wang ◽  
Qiyuan Wang ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Hydrogen Bonding ◽  
High Selectivity ◽  
Fluorescent Sensor ◽  
Picric Acid ◽  
Metal Organic Framework ◽  
Explosive Detection ◽  
Metal Organic ◽  
Fluorescent Tag ◽  
Organic Framework

An electron-rich luminescent metal–organic framework, Zn–PDA, displaying high selectivity in detection of picric acid explosive as a fluorescent sensor is reported.

Analysis of LPG diffusion flame in tube type burner

2019 ◽  
Vol 13 (3) ◽  
pp. 5278-5293
Author(s):  
Vipul Patel ◽  
Rupesh Shah
Keyword(s):  
Diffusion Flame ◽  
Emission Characteristic ◽  
Flame Stability ◽  
Liquefied Petroleum Gas ◽  
Air Velocity ◽  
Length Fraction ◽  
Low Emission ◽  
Tube Type ◽  
Stability Limits ◽  
Co Emission

The present research aims to analyse diffusion flame in a tube type burner with Liquefied petroleum gas (LPG) as a fuel. An experimental investigation is performed to study flame appearance, flame stability, Soot free length fraction (SFLF) and CO emission of LPG diffusion flame. Effects of varying air and fuel velocities are analysed to understand the physical process involved in combustion. SFLF is measured to estimate the reduction of soot. Stability limits of the diffusion flame are characterized by the blowoff velocity. Emission characteristic in terms of CO level is measured at different equivalence ratios. Experimental results show that the air and fuel velocity strongly influences the appearance of LPG diffusion flame. At a constant fuel velocity, blue zone increases and the luminous zone decreases with the increase in air velocity. It is observed that the SFLF increases with increasing air velocity at a constant fuel velocity. It is observed that the blowoff velocity of the diffusion flame increases as fuel velocity increases. Comparison of emission for flame with and without swirl indicates that swirl results in low emission of CO and higher flame stability. Swirler with 45° vanes achieved the lowest CO emission of 30 ppm at Φ = 1.3.

Single-Molecule Imaging of Active Mitochondrial Nitroreductases using a Photo-Crosslinking Fluorescent Sensor

2019 ◽  
Author(s):  
Zacharias Thiel ◽  
Pablo Rivera-Fuentes
Keyword(s):  
Subcellular Localization ◽  
Fluorescent Probe ◽  
Single Molecule ◽  
Mammalian Cells ◽  
Fluorescent Sensor ◽  
Biological Functions ◽  
Localization Microscopy ◽  
Drug Activation ◽  
Nitroreductase Activity ◽  
Single Molecule Localization Microscopy

Many biomacromolecules are known to cluster in microdomains with specific subcellular localization. In the case of enzymes, this clustering greatly defines their biological functions. Nitroreductases are enzymes capable of reducing nitro groups to amines and play a role in detoxification and pro-drug activation. Although nitroreductase activity has been detected in mammalian cells, the subcellular localization of this activity remains incompletely characterized. Here, we report a fluorescent probe that enables super-resolved imaging of pools of nitroreductase activity within mitochondria. This probe is activated sequentially by nitroreductases and light to give a photo-crosslinked adduct of active enzymes. In combination with a general photoactivatable marker of mitochondria, we performed two-color, threedimensional, single-molecule localization microscopy. These experiments allowed us to image the sub-mitochondrial organization of microdomains of nitroreductase activity.<br>

Single-Molecule Imaging of Active Mitochondrial Nitroreductases using a Photo-Crosslinking Fluorescent Sensor

2019 ◽  
Author(s):  
Zacharias Thiel ◽  
Pablo Rivera-Fuentes
Keyword(s):  
Subcellular Localization ◽  
Fluorescent Probe ◽  
Single Molecule ◽  
Mammalian Cells ◽  
Fluorescent Sensor ◽  
Biological Functions ◽  
Localization Microscopy ◽  
Drug Activation ◽  
Nitroreductase Activity ◽  
Single Molecule Localization Microscopy

Many biomacromolecules are known to cluster in microdomains with specific subcellular localization. In the case of enzymes, this clustering greatly defines their biological functions. Nitroreductases are enzymes capable of reducing nitro groups to amines and play a role in detoxification and pro-drug activation. Although nitroreductase activity has been detected in mammalian cells, the subcellular localization of this activity remains incompletely characterized. Here, we report a fluorescent probe that enables super-resolved imaging of pools of nitroreductase activity within mitochondria. This probe is activated sequentially by nitroreductases and light to give a photo-crosslinked adduct of active enzymes. In combination with a general photoactivatable marker of mitochondria, we performed two-color, threedimensional, single-molecule localization microscopy. These experiments allowed us to image the sub-mitochondrial organization of microdomains of nitroreductase activity.<br>

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