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Biosensors, Volume 14, Issue 9

September 2024 - 45 articles

Cover Story: Random lasers (RLs) are a singular family of lasers in which the feedback comes from recurrent scattering events instead of the trapping of light in a mirror resonator. This allows for the obtention of laser light while forgoing the need for cavity building. Also, since scattering is what produces the phenomenon, the emission is highly sensitive to the scattering characteristics of its own lasing medium. In this paper, we present, for the first time, the obtention of RLs from human whole blood and blood components as scatterers, using a commercial laser dye for amplification. Its sensing potential is also showcased through an observational case study, in which a multivariate statistical analysis of the RL spectra distinguished the blood of Chronic Lymphocytic Leukaemia patients from that of healthy individuals. View this paper
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Articles (45)

  • Article
  • Open Access
3 Citations
2,767 Views
11 Pages

14 September 2024

Lactate is a critical regulatory factor secreted by tumors, influencing tumor development, metastasis, and clinical prognosis. Precise analysis of tumor-cell-secreted lactate is pivotal for early cancer diagnosis. This study describes a paper-based m...

  • Article
  • Open Access
2 Citations
1,606 Views
12 Pages

Analysis of Random Lasing in Human Blood

  • Sergio de Armas-Rillo,
  • Beatriz Abdul-Jalbar,
  • Josmar Salas-Hernández,
  • Jose María Raya-Sánchez,
  • Tomás González-Hernández and
  • Fernando Lahoz

13 September 2024

Random lasing (RL) is an optical phenomenon that arises from the combination of light amplification with optical feedback through multiple scattering events. In this paper, we present our investigations of RL generation from human blood samples. We t...

  • Communication
  • Open Access
6 Citations
2,429 Views
10 Pages

13 September 2024

Terahertz (THZ) spectroscopy has emerged as a superior label-free sensing technology in the detection, identification, and quantification of biomolecules in various biological samples. However, the limitations in identification and discrimination sen...

  • Article
  • Open Access
6 Citations
2,839 Views
12 Pages

Investigation of Interferences of Wearable Sensors with Plant Growth

  • Xiao Xiao,
  • Xinyue Liu,
  • Yanbo Liu,
  • Chengjin Tu,
  • Menglong Qu,
  • Jingjing Kong,
  • Yongnian Zhang and
  • Cheng Zhang

11 September 2024

Plant wearable sensors have shown exceptional promise in continuously monitoring plant health. However, the potential adverse effects of these sensors on plant growth remain unclear. This study systematically quantifies wearable sensors’ interf...

  • Article
  • Open Access
1,720 Views
16 Pages

2PP-Hydrogel Covered Electrodes to Compensate for Media Effects in the Determination of Biomass in a Capillary Wave Micro Bioreactor

  • Sven Meinen,
  • Steffen Brinkmann,
  • Kevin Viebrock,
  • Bassant Elbardisy,
  • Henning Menzel,
  • Rainer Krull and
  • Andreas Dietzel

9 September 2024

Microbioreactors increase information output in biopharmaceutical screening applications because they can be operated in parallel without consuming large quantities of the pharmaceutical formulations being tested. A capillary wave microbioreactor (cw...

  • Article
  • Open Access
2,581 Views
18 Pages

Investigation of a Camera-Based Contactless Pulse Oximeter with Time-Division Multiplex Illumination Applied on Piglets for Neonatological Applications

  • René Thull,
  • Sybelle Goedicke-Fritz,
  • Daniel Schmiech,
  • Aly Marnach,
  • Simon Müller,
  • Christina Körbel,
  • Matthias W. Laschke,
  • Erol Tutdibi,
  • Nasenien Nourkami-Tutdibi and
  • Elisabeth Kaiser
  • + 3 authors

9 September 2024

(1) Objective: This study aims to lay a foundation for noncontact intensive care monitoring of premature babies. (2) Methods: Arterial oxygen saturation and heart rate were measured using a monochrome camera and time-division multiplex controlled lig...

  • Article
  • Open Access
3 Citations
2,040 Views
12 Pages

9 September 2024

Estrogenic chemicals are widely distributed and structurally diverse. They primarily disrupt estrogen-related metabolism in animals or humans by mimicking the agonistic receptor effects of natural estrogens, thereby influencing the transcription of e...

  • Article
  • Open Access
5 Citations
3,373 Views
17 Pages

6 September 2024

The liver has many important functions, including the biotransformation of drugs and detoxification of the human organism. As such, it is also exposed to many harmful substances, which leads to disorders and diseases such as cirrhosis. For these reas...

  • Article
  • Open Access
3 Citations
2,473 Views
33 Pages

Microwave Technique for Linear Skull Fracture Detection—Simulation and Experimental Study Using Realistic Human Head Models

  • Mariella Särestöniemi,
  • Daljeet Singh,
  • Mikael von und zu Fraunberg and
  • Teemu Myllylä

6 September 2024

Microwave (MW) sensing is regarded as a promising technique for various medical monitoring and diagnostic applications due to its numerous advantages and the potential to be developed into a portable device for use outside hospital settings. The dete...

  • Review
  • Open Access
1 Citations
2,192 Views
14 Pages

6 September 2024

Plasmonic intragap nanostructures (PINs) have garnered intensive attention in Raman-related analysis due to their exceptional ability to enhance light–matter interactions. Although diverse synthetic strategies have been employed to create these...

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Biosensors - ISSN 2079-6374