Buscar recursos académicos

"A rapid and sensitive analytical method for the trace determination of aflatoxin M1 in domestic waters was developed using chitosan as a sorbent and HPLC with fluorescence detection (HPLC-FLD). Computational simulations...

Optical two-dimensional electronic spectroscopy (2DES) is a powerful ultrafast spectroscopic technique that can greatly benefit from the unique features of a femtosecond laser operating at a kHz repetition rate. Lock-in ...

A simple, rapid, sensitive and selective method of high-performance liquid chromatography with fluorescence detection was developed for determination of puerarin in rat plasma. Chromatography was carried out on a reverse...

A fast and reliable method for the determination of voriconazole in oral fluid using microextraction by packed sorbent and liquid chromatography with fluorescence detection was developed and validated. MEPS was performed...

ABSTRACT The growing demand for rare‐earth elements (REEs), particularly dysprosium (Dy), underscores the need for sustainable extraction methods. Recovery of Dy, particularly from geographically distributed waste sour...

Advanced analytical techniques such as Inductively Coupled Plasma Mass Spectrometry (ICP-MS) are powerful tools for chemical analysis; however, they present several practical challenges, including high operating costs, t...

Abstract Molecular-genetic imaging has greatly advanced clinical diagnosis and prognosis monitoring. However, the specific visualization of intracellular proteins such as estrogen receptor (ER) and progesterone receptor ...

Abstract Ratiometric fluorescence sensors, which intrinsically compensate for fluctuations in ambient and excitation light intensity, have garnered extensive interest for their enhanced analytical reliability. In this st...

Semiconductor nanowires can enhance the signal of fluorescent molecules, thus significantly improving the limits of fluorescence detection in optical biosensing. In this work, we explore how the sensitivity can further b...

The widely distributed pollutant tributyltin (TBT) was analyzed in different environmental samples (waters and sediments) combining preconcentration on a nylon membrane, excitation–emission fluorescence matrices direct...

ObjectiveTo develop a rapid method for the screening and identification of foodborne （C. perfringens） isolates using multiple nucleic acid detection system combined with matrix assisted laser desorpt ionionization ti...

Abstract Precise identification of low-frequency EGFR L858R mutations is crucial for targeted therapy and prognosis in non-small cell lung cancer (NSCLC). Here, we present CIRCLE-F/V (CRISPR-based Integrated Restriction-...

Abstract Sensitive and accurate detection of biologically significant bilirubin is of great importance in the field of clinical diagnostics and disease monitoring. The present study introduces the TX-100 based nanomicell...

Abstract The objective of this study was to explore the potential of front face fluorescence spectroscopy (FFFS) as rapid, non-destructive and inclusive technique along with multi-variate analysis for predicting meat adu...

Abstract Background To improve the visualisation of colorectal cancer (CRC) and its metastatic lymph nodes (LNs), we developed a second near-infrared window (NIR-II; 1000–1700 nm) fluorescent probe using a monoclonal ...

A new environmental friendly methodology based on fluorescent signal enhancement of rhodamine B dye is proposed for Pb(II) traces quantification using a preconcentration step based on the coacervation phenomenon. A catio...

A new method for pre-concentration/separation and determination of 2,4-dichlorophenoxyacetic acid (2,4-D) by solid-surface fluorescence (SSF) is proposed. The herbicide was complexed with Rhodamine B at pH 7.0 in the pre...

Heavy metal contamination poses serious environmental and health risks, even at trace levels, highlighting the need for efficient and sustainable detection strategies. This study presents a green approach for producing n...

ABSTRACT Background and Aims Influenza remains a globally prevalent respiratory infection that is challenging to diagnose accurately. This systematic review focuses on aptamer‐based tools for influenza virus detection,...

Abstract Background Olfactory detection of host odors is fundamental to mosquito host-seeking behavior. Although the olfactory pathways of model species such as Anopheles gambiae have been well characterized, the molecul...

"Confocal microscope images are wide useful in medical diagnosis and research. The automatic interpretation of this type of images is very important but it is a challenging endeavor in image processing area, since these ...

The rechargeable lithium air (oxygen) battery (Li-O2) has very high energy density comparable to fossil fuels (∽3,600 Wh/kg). However, the parasitic reactions of the O2- reduction products with solvent and electrolyte ...