Fluorogenic Biosensors Constructed via Aggregation-induced Emission Based on Enzyme-catalyzed Coupling Reactions for Detection of Hydrogen Peroxide [0.03%]
基于酶催化偶联反应的聚集诱导发光型荧光生物传感器的构建用于过氧化氢检测
Xiaogang Li,Wenxiu Yu,Hongjie Zhao et al.
Xiaogang Li et al.
Hydrogen peroxide (H2O2) is a main reactive oxygen by-product produced in the metabolism of organisms and a common biomarker of oxidative stress. Aggregation-induced emission (AIE) probes for H2O2 have been proposed. Such AIEgens mostly use...
Optimization of Procedure for Determining Dissolved Oxygen in Surface Water and Seawater Exploiting the UV-vis Absorption of Mn(III) Species [0.03%]
基于Mn(III)紫外吸收法测定地表水和海水溶解氧的优化研究
Tu Dang,Yasuaki Maeda,Yusuke Fujii et al.
Tu Dang et al.
We present an analytical method for dissolved oxygen based on the quantification of Mn(III) absorbance in a water sample. After Mn(II) reacts with the oxygen molecules in water, Mn(III) is formed and stabilized by hexa-metaphosphate under a...
Visualization of the Orientation of Amphipathic Peptides at the Air-Water Interface by X-Ray Reflectometry [0.03%]
利用X射线反射率技术可视化空气-水界面两亲肽的取向
Mari Okuno,Makoto Itagaki,Taka-Aki Ishibashi et al.
Mari Okuno et al.
X-ray reflectivity measurements were performed for the leucine and lysine-based LKα14 peptide designed to adopt an α-helical conformation at the air-water interface. The electron density profiles along the surface normal were calculated f...
A Sensitive Signal-on Supersandwich DNA Biosensor Based on the Enhancement of Poly(aniline-luminol) Nanowires Electrochemiluminescence by Ferrocene [0.03%]
一种基于聚(苯胺-鲁米诺)纳米线电致化学发光增强的信号开启型超三明治dna生物传感器
Zhifang Ding,Yue Li,Ying Bao et al.
Zhifang Ding et al.
A signal-on supersandwich type of electrochemiluminescence (ECL) DNA biosensor was developed based on the poly(aniline-luminol) nanowires (PALNWs) modified electrode and enhancement of ferrocene (Fc) on ECL of luminol. Aminated capture DNA ...
A Novel Hydrogen Fluoride Assisted-Glass Surface Etching Based Liquid Phase Microextraction for the Determination of 4-n-Nonylphenol in Water by Gas Chromatography-Mass Spectrometry with Matrix Matching Strategy [0.03%]
基于氢氟酸刻蚀的液相微萃取-气相色谱-质谱法定量测定水体中的烷基酚
Miray Öner,Süleyman Bodur,Sezin Erarpat et al.
Miray Öner et al.
A novel extraction method named hydrogen fluoride assisted-glass surface etching based liquid phase microextraction (HF-GSE-LPME) was proposed to determine 4-n-nonylphenol at trace levels by gas chromatography-mass spectrometry (GC-MS). Aft...
Applicability of Superheated Water Extraction for the Quantification of Pesticide Residues in Leafy Vegetables [0.03%]
过热水提取法在叶菜类蔬菜中农药残留定量中的适用性研究
Takashi Yarita,Atsuhiko Hasegawa,Hiroko Tada
Takashi Yarita
Superheated water extraction (SWE) of pesticide residues in a cabbage sample was demonstrated. The recovery yields of several relatively polar pesticides (log Pow < 3) by the spike-and-recovery method at 100°C were acceptable. Increasing t...
Pristine Graphic Carbon Nitride Quantum Dots for the Visualized Detection of Latent Fingerprints [0.03%]
用于显现潜在手印的原始石墨碳氮量子点的可视化检测
Haidong Li,Chenyao Zhang,Jun Wang et al.
Haidong Li et al.
User-friendly fingerprint powders, namely efficient, low-cost and nontoxic ones, are always desirable for the development of latent fingerprints (LFPs). Here, we described the use of pristine graphic carbon nitride quantum dots (g-C3N4 QDs)...
Nylon Monofilament Mold Three-dimensional Microfluidic Chips for Size-exclusion Microchip Electrophoresis: Application to Specific Online Preconcentration of Proteins [0.03%]
尼龙单丝模版三维微流控芯片用于尺寸排除式毛细管电泳：蛋白质在线富集的特定应用
Sachio Yamamoto,Kazuhito Maetani,Gai Tatsumi et al.
Sachio Yamamoto et al.
We present a lithography-free procedure for fabricating intrinsically three-dimensional microchannels within PDMS elastomers using nylon monofilament molds. We embedded nylon monofilaments in an uncured PDMS composite to fabricate straight ...
Direct Measurement of Initial Rate of Enzyme Reaction by Electrokinetic Filtration Using a Hydrogel-plugged Capillary Device [0.03%]
基于水凝胶封端毛细管电渗过滤直接测量酶反应初始速率
Junku Takao,Tatsuro Endo,Hideaki Hisamoto et al.
Junku Takao et al.
A novel electrokinetic filtration device using a plugged hydrogel was developed to directly measure the initial rate of enzyme reactions. In the proposed method, the enzyme reaction proceeded only for a short time when the substrate was pas...
Adsorption Performances of an Acid-stable 2D Covalent Organic Framework towards Palladium(II) in Simulated High-level Liquid Waste [0.03%]
一种酸稳定的二维共价有机框架材料对模拟高放废液中钯(ii)的吸附性能研究
Hao Wu,Seong-Yun Kim
Hao Wu
An acid-stable 2D covalent organic framework (COF TpPa-1) was synthesized by a reversible Schiff-base reaction and the following irreversible enol-keto tautomerism. The adsorption behaviors of COF TpPa-1 towards Pd(II) in simulated high-lev...