Selective and sensitive colorimetric sensor for CN- in the absence and presence of metal ions (Cu2+/Ni2+): mimicking logic gate behaviour

Maurya Nirma; Bhardwaj Shubhrajyotsna; Singh Ashok Kumar

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Selective and sensitive colorimetric sensor for CN- in the absence and presence of metal ions (Cu2+/Ni2+): mimicking logic gate behaviour

机译：用于CN的选择性和敏感的比色传感器在没有和存在金属离子（Cu2 + / Ni2 +）：模仿逻辑栅极行为

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Enone based anion sensors have significance due to their colorimetric reaction upon deprotonation and variable occurrence in the conjugated moiety. We have designed a novel and easily forming cromene-isonicotinohydrazide based probe, exhibiting selectivity towards CN- through the naked eye. A Job's plot displays 1 : 1 stoichiometry along with a 0.76/0.68 mu M detection limit. The results accentuate that upon addition of cations (Cu2+/Ni2+) to the heteroatom of donor moiety, sensitivity improves. The limits of detection were found to be 3.5/6.3 mu M in the presence of Cu2+/Ni2+. The mechanism was proved by FTIR, NMR, DFT and -OH titration.

机译：基于烯酮的阴离子传感器由于它们在去质子化和可变发生在共轭部分中的比色反应而具有显着性。我们设计了一种新颖且易于形成基于铬酸铬基氯氮杂基肼的探针，该探针表现出对CN-通过肉眼的选择性。作业的绘图显示1：1个化学计量以及0.76 / 0.68 mu m的检测限。结果强调，在供体部分的杂原子中加入阳离子（Cu2 + / Ni2 +）时，敏感性改善。在Cu 2 + / Ni2 +存在下发现检测限为3.5 /6.3μm。通过FTIR，NMR，DFT和-OH滴定证明了该机制。

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来源
《RSC Advances》 |2016年第75期|共7页
作者
Maurya Nirma; Bhardwaj Shubhrajyotsna; Singh Ashok Kumar;
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Indian Inst Technol Roorkee Roorkee 247667 Uttar Pradesh India;

Indian Inst Technol Roorkee Roorkee 247667 Uttar Pradesh India;

Indian Inst Technol Roorkee Roorkee 247667 Uttar Pradesh India;

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正文语种 eng
中图分类化学;
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1. Selective and sensitive colorimetric sensor for CN- in the absence and presence of metal ions (Cu2+/Ni2+): mimicking logic gate behaviour [J] . Maurya Nirma, Bhardwaj Shubhrajyotsna, Singh Ashok Kumar RSC Advances . 2016,第75期

机译：用于CN的选择性和敏感的比色传感器在没有和存在金属离子（Cu2 + / Ni2 +）：模仿逻辑栅极行为
2. Sequential Detection of CN- and HSO4- Anions in an Aqueous Environment Utilizing a New Colorimetric Azoimine Receptor: Mimicking Logic Gate Behaviour and a Security Keypad Lock [J] . Rezaeian Khatereh, Khanmohammadi Hamid, Shabani Nafiseh Australian Journal of Chemistry: A Journal for the Publication of Original Research in All Branches of Chemistry . 2018,第5期

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3. Promising ESIPT-based fluorescence sensor for Cu2+ and CN- ions: investigation towards logic gate behaviour, anticancer activities and bioimaging application [J] . Bhardwai Shubhrajyotsna, Maurya Nirma, Singh Ashok Kumar, RSC Advances . 2016,第104期

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5. Highly Sensitive and Selective Gas Sensors Based on Vertically Aligned Metal Oxide Nanowire Arrays [D] . Chen, Jiajun. 2010

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6. Highly Sensitive and Selective Colorimetric Sensor of Mercury (II) Based on Layer–by–Layer Deposition of Gold/Silver Bimetallic Nanoparticles [O] . Arjnarong Mathaweesansurn, Naratip Vittayakorn, Ekarat Detsri 2020

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7. New Sensitive and Selective Chemical Sensors for Ni2+ and Cu2+ Ions: Insights into the Sensing Mechanism through DFT Methods [O] . -1

机译：Ni2 +和Cu2 +离子的新敏感和选择性化学传感器：通过DFT方法见解感测机理

Selective and sensitive colorimetric sensor for CN- in the absence and presence of metal ions (Cu2+/Ni2+): mimicking logic gate behaviour

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