A research team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has proposed a novel model optimization algorithm—External Calibration-Assisted Screening (ECA)— that ...

Polymers are used in many industries, including food packaging, tire manufacturing, adhesives, and medical-grade plastics. Photothermal atomic force microscope-based infrared spectroscopy (AFM-IR) ...

Scan sizes 5x5 μm. a) IR ratio image of 1750 and 1760 cm‑1, b) AFM‑IR spectra measured at positions indicated in the phase image. Image Credit: Bruker Nano Surfaces and Metrology These findings carry ...

Near-infrared spectroscopy articles from across Nature Portfolio Near-infrared spectroscopy is a form of non-invasive imaging that applies near-infrared radiation (wavelengths 780 nm to 3,000 nm ...

Figure 3. a) 600 nm x 300 nm region defined by the dashed golden rectangular box in Figure2A, topography and PiFM. b) PiFM images at 1060 cm−1, 1623 cm−1, 1677 cm−1. c) Four PiF-IR spectra acquired at ...

For the first time ever, the James Webb Space Telescope (JWST) has captured an unprecedented image of an exoplanet outside ...

Fiber-optic ATR-IR spectroscopy enables real-time liver tumor classification during surgery, offering faster and more objective diagnostics with machine learning support.

Methods for kidney stone analysis Infrared spectroscopy, X-ray diffraction and polarisation microscopy are internationally recommended techniques for kidney stone analysis (3, 6). Straightforward data ...

Proximate analysis of coal indicates the moisture, ash, volatile content, and calorific value, which has been widely utilized as the basis for coal characterization. It involves heating the coal under ...

In this paper, a different manner to analyze a buck converter and how to design its feedback control is proposed. The block diagram of the buck converter plant will be described using space-state ...