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Chitosan-stabilized Copper Oxide Nanoparticles: A Novel Colorimetric Approach for Ascorbic Acid Sensing [0.03%] 壳聚糖稳定的氧化铜纳米颗粒：一种新型的抗坏血酸传感比色方法
Nazish Kanwal,Mansoor Khan,Saeed Ahmad Khan et al. Nazish Kanwal et al.
Ascorbic acid is implicated in various diseases such as scurvy, oxidative stress, cardiovascular diseases, etc. Herein, for the first time, a simple and efficient strategy was used to synthesize cross-linked chitosan-stabilized copper oxide...
Electrochemical determination of ascorbic acid using sensitive and disposable methylene blue modified pencil graphite electrode [0.03%] 采用甲基蓝修饰的铅笔石墨电极灵敏检测抗坏血酸
K G Aishwarya,Y Arthoba Nayaka,E Pradeepa et al. K G Aishwarya et al.
In the present work, a convenient, efficient and disposable electrochemical sensor has been developed by electropolymerizing methylene blue (PMB) on the surface of a pencil graphite electrode (PGE), which facilitates the electrochemical ana...
A novel ratiometric colorimetric sensor for detecting hypochlorite and ascorbic acid based on cascade reaction [0.03%] 一种基于级联反应的新型比色比率型传感器检测次氯酸盐和抗坏血酸
Miaowen Sun,Yanzhu Liu,Lingge Shi et al. Miaowen Sun et al.
Hypochlorite and ascorbic acid (AA), play an indispensable role in numerous physiological activities. Herein, a ratiometric colorimetric sensing strategy for the determination of hypochlorite and AA was developed via the catalytic oxidation...
Spectrofluorometric determination of ascorbic acid in the plasma matrix: Exploring correlation with autism spectrum disorder [0.03%] 血浆矩阵中抗坏血酸的分光荧光测定：与自闭症谱系障碍的相关性研究
Adnan Alharbi,Ahmed K Bamaga,Majed A Algarni et al. Adnan Alharbi et al.
Ascorbic acid (Vitamin C) is crucial for bodily functions, including collagen synthesis, immune system support and antioxidant defense. Despite autism spectrum disorder's multifactorial nature involving genetic, environmental and neurologic...
Efficient Estimation of ascorbic acid in vitamin C tablets enabled by phase-transfer strategy [0.03%] 相转移策略助力维生素C片中抗坏血酸的高效测定
Wei-Qi Xie,Yi-Xan Gong Wei-Qi Xie
In this paper, we introduced a novel phase-transfer strategy tailored for the efficient batch detection of ascorbic acid in vitamin C tablets. This method entailed the reaction between ascorbic acid and an excess of potassium permanganate. ...
CeO2·ZnO@biomass-derived carbon nanocomposite-based electrochemical sensor for efficient detection of ascorbic acid [0.03%] 一种新型 CeO2·ZnO@生物基碳纳米复合材料电化学传感器用于高效检测抗坏血酸
Jahir Ahmed,M Faisal,Jari S Algethami et al. Jahir Ahmed et al.
Ascorbic acid (AA), a prominent antioxidant commonly found in human blood serum, serves as a biomarker for assessing oxidative stress levels. Therefore, precise detection of AA is crucial for swiftly diagnosing conditions arising from abnor...
Evaluation of AgNCs@PEI and their integrated hydrogel for colorimetric and fluorometric detection of ascorbic acid [0.03%] 用于检测抗坏血酸的比色和荧光检测的AgNCs@PEI及其凝胶集成体系的评估
Rocky Raj,Mradula,Pradipta Samanta et al. Rocky Raj et al.
A dual-mode colorimetric and fluorometric sensor based on water soluble silver nanoclusters (AgNCs@PEI) is developed for quantitative and visual detection of ascorbic acid (Asc A). The detection method relies on the Asc A induced aggregatio...
Enhancing enzymatic activity of Mn@Co3O4 nanosheets as mimetic nanozyme for colorimetric assay of ascorbic acid [0.03%] 用于抗坏血酸比色测定的类酶纳米酶Mn@Co3O4纳米片的活性增强
Ramya D Isho,Nidhal M Sher Mohammad,Khalid M Omer Ramya D Isho
In nanozyme-based assays, increasing enzymatic activity is very desirable for enhancing sensitivity and lowering the detection limit. In this study, novel Mn doped cobalt oxide nanosheets (Mn@Co3O4 NSs) were synthesized by hydrothermal proc...
An antimony-phosphomolybdate microassay of ATPase activity through the detection of inorganic phosphate [0.03%] 一种抗坏血酸-磷酸钼黄比色法测定ATP酶活性的方法研究
Jordan L Pederick,John B Bruning Jordan L Pederick
Colorimetric methods are convenient for the determination of inorganic phosphate. However, the acidic conditions required can complicate measurement of ATPase through non-enzymatic ATP hydrolysis. Here we present an optimized antimony-phosp...
Keerthy Dhara,Roy Mahapatra Debiprosad Keerthy Dhara
This review (with 307 refs.) addresses the recent advances in electrochemical nonenzymatic ascorbic acid (AA) sensors using various nanomaterials as sensing elements. In general, nanomaterials have paved the way for a novel and advanced sen...