Ion chromatography high-resolution mass spectrometry-quality assurance by co-injection of internal standards [0.03%]
Joana Flottmann,Torsten C Schmidt,Tobias Schips et al.
Joana Flottmann et al.
Highly polar and mobile organic substances challenge water analysis due to their persistence, high solubility, and incomplete removal during conventional drinking-water treatment. Their ionic or ionisable nature makes them suitable for ion ...
Kristýna Havelková,Jaroslav Otta,Miroslava Trchová et al.
Kristýna Havelková et al.
Visualization of latent fingerprints (LFPs) on metal surfaces using curcumin (CUR) remains a largely underexplored approach. Here, CUR was applied for LFP visualization on brass, steel, Al, and Cu plates and on real-life metal objects (keys...
Not one-size-fits-all: µ-FTIR and pyrolysis GC-MS for complementary analysis of microplastics in eutrophic surface water [0.03%]
Timothy Omara,Barbora Benetková,Ivan Sumerskii et al.
Timothy Omara et al.
This study reports large microplastics found in Lake Victoria through an analytical workflow that combines the complementary methods stereomicroscopy, micro-Fourier transform infrared (µ-FTIR) spectroscopy and pyrolysis gas chromatography-...
ICP-MS/colorimetric dual-mode detection of circulating tumor cells with dual-aptamer recognition based on gold nanoparticles [0.03%]
Yating Chen,Lina Zheng,Jinchao You et al.
Yating Chen et al.
The efficient identification of circulating tumor cells (CTCs) is vital for early cancer diagnosis and treatment efficacy surveillance. Therefore, developing a CTC detection platform that combines high sensitivity with operational simplicit...
Evaluation of isotope-dilution mass spectrometry, internal standard, and external standard methods for PFAS quantification in tap water and soil [0.03%]
Eriko Yamazaki,Nobuyasu Hanari,Keisuke Nakamura
Eriko Yamazaki
Accurate quantification of per- and polyfluoroalkyl substances (PFAS) in environmental matrices is crucial for reliable exposure assessment but remains challenging owing to low concentrations and matrix-induced variability. In this study, t...
Optimization of trap column properties and loading conditions for proteome profiling of single-cell-level sample inputs [0.03%]
Siqi Huang,Thy Truong,Chao Wang et al.
Siqi Huang et al.
Nanoflow liquid chromatography-mass spectrometry has become indispensable for profiling limited and heterogeneous biological samples, yet overall analytical sensitivity, robustness, and throughput often remain constrained by the mechanisms ...
High-throughput microfluidic fluorescent aptasensor platform integrating dual carbon dots and Zn-TCPP for rapid detection of zearalenone [0.03%]
Yanjun Yin,Hailin Shen,Jiayi Sun et al.
Yanjun Yin et al.
Zearalenone (ZEN) is a mycotoxin widely present in crops, posing a serious threat to human health. Therefore, it is of great significance to establish a rapid and accurate method for zearalenone detection. In this work, a microfluidic devic...
Dual-signal and dual-function probe Ni-MOF@Fe-CDs for sensitive and visual detection of uric acid [0.03%]
Chunyan Yan,Bowen Yu,Zhengyue Xiao et al.
Chunyan Yan et al.
In recent years, the development of nanozyme technology has provided new solutions, but some problems such as insufficient catalytic activity and limited multitarget detection capabilities still need to be addressed. Herein, iron-carbon dot...
Validated workflows for preparing and characterizing core-stained and surface-labeled fluorescent polymer particles with simple commercial automation tools [0.03%]
Abdelouahad El Abbassi,Paul Fürstenwerth,Christian Würth et al.
Abdelouahad El Abbassi et al.
Preparation workflows of fluorescent nm- and µm-sized polymer particles used as reporters in fluorescent assays, bioimaging, and sensing studies or calibration tools for fluorescence methods in the life sciences can be time-consuming and l...
Yawei Liu,Pingyan Wei,Hui Liu et al.
Yawei Liu et al.
Meperidine, morphine, and sufentanil exhibit a critical duality in contemporary medicine: while serving as essential clinical anesthetics with well-established therapeutic value, they have paradoxically contributed to a severe public health...