A dual solid and liquid solvent bar microextraction coupled with portable X-ray fluorescence for lead determination in seawater [0.03%]
用于测定海水中的铅的双态（固液）溶剂棒微提取与便携式X射线荧光检测法
Senia Cuervo,Carolina Mendiguchía,Carlos Moreno
Senia Cuervo
Trace metals play a crucial role in many biogeochemical processes in water. Due to their low concentrations and the complexity of the matrix, analysing these metals in seawater is a complex task that usually requires a previous preconcentra...
Oxygen-coordinated Cu single atoms enable unconventional inverse size-effect in Cu nanoparticles for superior electrochemical glucose sensing [0.03%]
氧气配位的铜单原子使铜纳米颗粒产生优越的电化学葡萄糖传感效应
Chengcheng Qi,Yaqi Kong,Juan Chai et al.
Chengcheng Qi et al.
The size effect has a significant impact on the catalytic performance of metal nanostructures, where smaller sizes often correspond to higher specific surface area and specific activity. This study investigates the pyrolysis-temperature-dep...
A one-tube RAA-PfAgo system for rapid and sensitive detection of Monkeypox virus [0.03%]
一种快速灵敏检测猴痘病毒的一管RAA-PfAgo系统
Na Zhao,Xuejian Zhang,Yulu Gan et al.
Na Zhao et al.
Monkeypox virus (MPXV), a key pathogen within the genus Orthopoxvirus, requires rapid and sensitive diagnostic strategies to support effective outbreak prevention and control. In this study, we established a one-tube, rapid, highly specific...
Co-reactant-free electrochemiluminescence biosensor enabled by photoelectron transfer and DNA amplification for trace detection of ochratoxin A in grains [0.03%]
基于光电子转移和DNA扩增的无需共反应剂的电致化学发光生物传感器检测粮食中的赭曲霉毒素A
Tian Tian,Jingui Chen,Dehao Jia et al.
Tian Tian et al.
Background: Ochratoxin A (OTA) is a mycotoxin contaminant that poses a significant threat to human health. It is a common naturally occurring contaminant toxin that is widely found in agricultural and food products worldw...
A mitochondria-targeting NIR ratiometric fluorescent probe for visualizing the dynamics of vicinal dithiol-containing proteinsin a psoriasis mouse model [0.03%]
一种线粒体靶向近红外比色型荧光探针：用于可视化银屑病小鼠模型中邻位二硫化蛋白动态行为
Fei Han,Jia Gao,Xiaowen Ren et al.
Fei Han et al.
Background: Psoriasis is a chronic inflammatory skin disease characterized by the infiltration of inflammatory cells, epidermal hypertrophy, aberrant keratinocyte proliferation, and desquamation, which collectively lead t...
A smartphone-integrated portable fluorescent biosensor for on-site detection of antibiotics [0.03%]
一种智能手机集成式便携荧光生物传感器用于现场检测抗生素
Jiawei Bian,Shixin Cai,Xin Chen et al.
Jiawei Bian et al.
Background: The widespread antibiotic residues pose significant risks for public health, food and environmental safety, necessitating rapid on-site monitoring tools, while conventional methods for antibiotics detection of...
Inception-level signal amplification: Cascaded DNAzyme-Cas9 nickase achieves sub-nanomolar kanamycin tracking [0.03%]
inception级信号放大：级联DNAzyme-Cas9切刻酶实现纳克级卡那霉素检测
Wen Xu,Yutian Cheng,Kexin Sun et al.
Wen Xu et al.
Background: Kanamycin's persistent contamination in agricultural products poses significant human health risks due to its nephrotoxicity and bioaccumulation via the food chain. Existing methods for on-site kanamycin monit...
3D-printed pipette-tip device for the efficient extraction of opioids from oral fluids using particulate-coated adhesive tapes as sorptive phases [0.03%]
一种用于从口腔液体中有效提取阿片类药物的3D打印移液管枪头装置（使用颗粒涂覆粘性带作为吸附相）
Jaime Millán-Santiago,Carlos Calero-Cañuelo,Enrique Javier Carrasco-Correa et al.
Jaime Millán-Santiago et al.
Background: Integrating planar sorptive phases into pipette tips enables easier sample handling with disposable units, which is especially relevant in bioanalysis. However, the flat shape of these phases does not fit well...
3D-printed target plates for high-throughput ambient mass spectrometry analysis of nanoliter biofluids [0.03%]
用于纳米升生物液体高通量大气压质谱分析的3D打印目标板
Chang Liu,Yuanyang Zhao,Junpeng Zhang et al.
Chang Liu et al.
Background: Ambient mass spectrometry, such as desorption electrospray ionization mass spectrometry (DESI-MS), represent a promising high-throughput platform for biomarkers analysis in biospecimens. However, its applicati...
Accurate measurements of lead using isotope dilution calibration curve method with the accounting for natural isotopic variations [0.03%]
考虑同位素天然变化的同位素稀释校正曲线法准确测量铅元素
Enea Pagliano,Kenny Nadeau,Lu Yang et al.
Enea Pagliano et al.
Background: Isotope dilution mass spectrometry (IDMS) is a key method for high-precision measurements. Most implementations, however, implicitly assume that the isotopic compositions of the sample and the primary standard...