Engineering Proceedings, Volume 21, Issue 1

Tyramine is a known biogenic amine commonly found in some fermented foods and beverages. The consumption of large amounts of food contaminated with tyramine can cause food poisoning and severe allergic reactions in the human body. A healthy person ca...

Silicon nanowire sensors have demonstrated outstanding utility in biosensing, especially for small biomolecules at extremely low concentrations. However, the sensor is less commonly applied in whole-cell monitoring, such as CAR T-cell counting during...

Identifying which type of lamp is installed on each public lighting pole and evaluating its luminous power is important because the new light-emitting diodes (LED)-type models are much more economical in terms of energy, and energy distribution compa...

The need for the development of diagnostic tools, which allow for rapid and reliable analyses, is still of great importance. Recently, more and more attention has been paid to diagnostic systems, which can be used for point-of-care testing (POCT) for...

In recent years, significant progress in polarization imaging technologies has been observed, resulting in a numerous applications of this technology in biomedical imaging, autonomous vehicle navigations, 3D surface inspection, and many others. One o...

The early diagnosis of skin diseases, specifically skin cancers, might have a crucial impact on people’s health, providing information enabling the immediate implementation of the appropriate therapy and eventually saving the patient’s li...

Quinoxaline heterocyclic aromatic amines (HAAs) are formed during meat and fish cooking, frying, or grilling at high temperatures. They are usually generated at very low concentrations (~ng per g of a food sample). However, HAAs are classified as pot...

Angiogenesis is the development of new blood vessels from the already existing vasculature [...]

In this work, we present the recent results of designing and developing a miniaturized mid-IR spectrometer designed to detect and identify specific markers, which may provide crucial information on air/water/food quality, human health, production lin...

Acrylamide (AA), C₃H₅NO, is used worldwide in the synthesis of polymers and gels for wastewater treatments and in the paper industry. Naturally, it is formed in heat-treated food, mostly during the frying and baking of potatoes, cereals, and coffee b...

Ultra-broadband emission in the range of 1.0–2.1 mm is required in medicine (OCT), metrology, and sensing systems. Novel ideas are connected to the rare-earth co-doping of low-phonon energy glasses (further fiber core) and ultra-broad emissions...

The development of optical fiber sensor technology has led to interest in the use of new elements for functionalizing the fiber end face. The modification of this part of the fiber can be conducted by forming a polymer microtip (PM). The technology o...

In recent years, the classic geometries of sensors based on surface plasmon resonance (SPR) have been adapted for use in optical fibers (both extrinsic and intrinsic configurations), thus providing a simple approach to low-cost plasmonic sensing. For...

Wearable devices are being increasingly used to objectively monitor and evaluate physical variables related to human movements, such as sports. Although wearables for kinematic measurements are widely used nowadays, many dynamic studies still employ...

Infectious diseases, such as COVID-19, continue to cause an enormous burden of death and disability in developing countries, and there is an urgent need to better understand these infectious pathogens and develop ways to control their spread. We have...

Chemical sensors should provide fast and reliable information on an analytes. One possible technology used in contemporary sensor research is the so-called lab on paper, in which appropriate chemical indicators are immobilized on a specially designed...

Evacuating large passenger ships is a complex and safety-critical process. During an evacuation, the passengers are assisted by exit signs, the public announcement system and the crew, the latter providing instructions for mustering and abandonment....

Energy consumption has increased exponentially over the last decades. This fact reflects the price of the electrical energy. Consequently, the scientific community has concentrated on generation procedures from renewable sources. In this sense, the e...

The Predictable Quantum Efficient Detector (PQED) is a silicon-based optical sensor which is designed to convert every photon in the incident photon flux to an electron–hole pair [...]

Thermally activated delayed fluorescence (TADF) recently emerged as the most effective strategy for converting non-emissive triplet states in emissive excitons in organic light emitting diodes [...]

Optofluidics is a constantly developing research area that combines known technologies from chemistry and photonics. Various systems have been created, which are used in biology and chemistry as well as in other subjects. The combination of materials...

Based on the modification of biological substances, either directly from the patient to be treated or from healthy donors, Advanced Therapy Medicinal Products (ATMPs) are promising therapeutic solutions (among others, CAR T-cells represent the curren...

Molecular diagnosis evaluates changes in molecules occurring in cells through numerical and imaging. The expression of genes and disease genes are studied to present directions for the prevention and treatment of infectious diseases. Real-time polyme...

We report on the calibration and testing of a fiber Bragg grating (FBG)-based 2D-shape sensing strip for real-time monitoring of the position and orientation of the human spine during gait. The strip is evaluated for its use as an input for control o...

We report a novel, miniaturized gas sensor configuration with ppbv (parts-per-billion by volume) sensitivity, where detection of the gas sample concentration is realized inside a Nd:YVO₄/YVO₄/Air-Gap structure (2 × 2 × 14 mm³) of the doub...

The presented research shows the effect of mixing Fe₃O₄ nanoparticles with higher alkanes on the propagation of the light wave in a biconical, adiabatic optical fiber taper. A fiber optic taper makes it possible to directly influence the light parame...

Tapered optical fibers, due to their specific optical properties, are great sensing elements. During the elongation of an optical fiber, a tapered waist forms, which allows the electromagnetic wave to propagate in the whole volume of this structure;...

Chemical sensors based on metal oxides (MOx) are one of the most promising gas sensing devices due to their high sensitivity to numerous gases, fast response, miniaturization, and simple production. The detection principle of these sensors is a condu...

For a few decades, diamonds have been grown in some laboratories using either the High Pressure High Temperature (HPHT) process or Plasma-Enhanced Chemical Vapor Deposition (MP-CVD) [...]

Currently, mastitis has become a multifactorial disease of the bovine mammary gland characterized by high clinical and economic significance [...]

Metastasis of cancer cells to various organs in the human body is a significant oncological problem. The mechanisms that activate the invasion of cancer cells are not well understood. The research on the processes of cancer invasion is limited under...

High time resolution and extreme radiation hardness are key for detectors to be operated in future particle accelerators and in space or medical applications. With respect to these relevant properties, we report here on performances of pixel sensors...

Thermo-optical properties of liquid materials are very important in many practical applications. The temperature dependence of the refractive index (RI) is usually sufficient to fully characterize a given material, however, for some applications an e...

With the advancements in remote sensing, satellite images have become a popular data modality and are widely used in many applications. Among others, satellite images are used by surveyors and engineers for urban planning and asset management, e.g.,...

Immunotherapy is an innovative cancer treatment that activates the immune system, enabling natural anti-cancer defense mechanisms. Although the large-scale use of immunological treatment is yet to happen, immunotherapy already plays a practical role...

Alteration of the polarisation state of light is an appealing source of contrast which has been used in polarised light microscopy of very thin sections for many decades, and has applications in geology, materials, and biology. The polarisation-sensi...

The rapid progress in the field of chemical sensors has made it possible to carry out quick, accurate, and precise monitoring of interactions between biological compounds, enabling the development of models describing the processes that occur at the...

Today, multispectral optical sensors are extensively studied in non-contact and remote imaging systems. However, our previous experimental studies have shown that the changes in the reflective properties of chicken eggshells allow for the classificat...

Several techniques can be used for the detection and analysis of odors. Among them, electronic noses emerged as a rapid and non-invasive diagnostic tool with various applications ranging from the food industry to medical diagnosis or forestry and agr...

Landmines and explosive remnants of war pose a global humanitarian problem and cause numerous casualties long after the conflict has ended. The current approaches for locating landmines, such as metal detection, which require one’s physical pre...

In recent years, the use of hyperthermia to induce the cellular activity of hippocampal neurons, which in vitro and in vivo experiments have shown to evoke a promising neural activity, has been explored. This is due to the hyperthermia effect, which...

Detection of humidity levels is a very important and ubiquitous process in the many fields of human activity [...]

In recent years, fiber optic sensors have been increasingly used in a wide variety of industries [...]

Cardiovascular diseases (CVDs), a group of diseases related to heart and blood vessel disorders, are the main health problem worldwide [...]

Visual tracking of multiple objects is a challenging task that has gained considerable attention recently. The process involves several steps: detection, data association, and re-identification, each with its own set of challenges. Trending methods u...

Even outside of the instance of a global pandemic, the proper cleaning of professional work wear is crucial—thus, laundry technology becomes more and more efficient and automated. A bottleneck in the professional laundry process of working garm...

A³B⁵ materials used in the construction of a superlattice have properties that enable the design of devices (to include avalanche photodiodes) optimized for use in infrared detection. These devices are used in the military and medicine industries, an...

The properties of specialty optical fiber technology are determined by many aspects, such as the choice of material from which optical fibers are made, the refractive index profile, or the optical fiber manufacturing method. Typical optical fibers ar...

There are many methods and techniques for measuring soil moisture [...]

In the conventional real-time polymerase chain reaction (RT-PCR) technique, DNA amplification is confirmed by quantitatively analyzing the increase in the fluorescence brightness using a fluorescent label. However, when using a fluorescence label-bas...