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Skin blemishes and diseases have attracted increasing research interest in recent decades, due to their growing frequency of occurrence and the severity of related diseases. Various laser treatment approaches have been introduced for the…

Signal Processing · Electrical Eng. & Systems 2021-05-27 Yiyun Wang , Daohuai Jiang , Hengrong Lan , Feng Gao , Fei Gao

In this paper we introduce a new diagnostic technique that uses prominence EUV and UV absorption to determine the prominence plasma electron temperature and column emission measure, as well as He/H relative abundance; if a realistic…

Solar and Stellar Astrophysics · Physics 2015-06-11 E. Landi , F. Reale

Demand for artificial body implants has been on the rise over the years. However, wear and bacterial infection are identified as two major reasons that can lead to inflammation and implant failure. In this communication, the advantages of…

Biological Physics · Physics 2022-07-27 S. Kedia , A. Das , B. S. Patro , J. P. Nilaya

Tannery wastewater contains large amounts of pollutants that, if directly discharged into ecosystems, can generate an environmental hazard. The present investigation has focused the attention to the remediation of wastewater originated from…

Using optical speckle scanning microscopy [1], we demonstrate that clear images of multiple cells can be obtained through biological scattering tissue, with subcellular resolution and good image quality, as long as the size of the imaging…

Optics · Physics 2023-07-19 Xin Yang , Ye Pu , Demetri Psaltis

With the massive increase in the popularity of smartphones and mobile data applications demanding bandwidth requiring data rates of the order of Gigabits per second, exploration of untapped frequency spectrum such as millimeter-wave has…

Signal Processing · Electrical Eng. & Systems 2021-04-09 Haneet Kour , Rakesh Kumar Jha

Ferroelectric films in the paraelectric phase exhibit two undesirable properties: hysteresis in the voltage-capacitance characteristics and a significant relaxation time of the capacitance. Our experiments show that suppression of both of…

Ultraviolet light incident on organic material can initiate its spontaneous dissipative structuring into chromophores which can then catalyze their own replication. This may have been the case for one of the most ancient of all chromophores…

Biological Physics · Physics 2020-09-07 Julián Mejía , Karo Michaelian

Due to the highly inhomogeneous distributions of refractive indexes, light propagation in complex media such as biological tissue experiences multiple light scattering events. The suppression and control of multiple light scattering events…

The thermodynamic dissipation theory for the origin of life asserts a thermodynamic imperative for the origin of life, suggesting that the fundamental molecules of life originated as self-organized molecular photon dissipative structures…

Biological Physics · Physics 2025-11-13 Andrés Ledesma , Karo Michaelian

Inorganic nanomaterials and particles with enhanced optical, mechanical or magnetic attributes are currently being developed for a wide range of applications. Safety issues have been formulated however concerning their potential cyto- and…

Soft Condensed Matter · Physics 2013-11-26 A. Galimard , M. Safi , N. Ould-Moussa , D. Montero , H. Conjeaud , J. -F. Berret

After the discovery of laser therapy it was realized it has useful application of wound healing and reduce pain, but due to the poor understanding of the mechanism and dose response this technique remained to be controversial for…

Medical Physics · Physics 2016-06-16 Muhammad Zeeshan Khalid

We use moving light patterns to control the motion of {\it Escherichia coli} bacteria whose motility is photo-activated. Varying the pattern speed controls the magnitude and direction of the bacterial flux, and therefore the accumulation of…

Antimicrobial photodynamic therapy (APDT) is a promising antibiotic-free strategy for broad-spectrum infection control in chronic wounds, minimising bacterial resistance risks. However, rapid photosensitiser diffusion, tissue staining, side…

Tissues and Organs · Quantitative Biology 2025-02-07 Man Li , Charles Brooker , Rucha Ambike , Ziyu Gao , Paul Thornton , Thuy Do , Giuseppe Tronci

Chemical purity of RNA samples is critical for high-precision studies of RNA folding and catalytic behavior, but such purity may be compromised by photodamage accrued during ultraviolet (UV) visualization of gel-purified samples. Here, we…

Biomolecules · Quantitative Biology 2012-02-23 Wipapat Kladwang , Justine Hum , Rhiju Das

In this paper we approach the problem of skin lesion segmentation using a convolutional neural network based on the U-Net architecture. We present a set of training strategies that had a significant impact on the performance of this model.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Fred Guth , Teofilo E. deCampos

Heat-based cancer treatment, so-called hyperthermia, can be used to destroy tumour cells directly or to make them more susceptible to chemotherapy or radiation therapy. To apply heat locally, iron oxide nanoparticles are injected into the…

Computational Engineering, Finance, and Science · Computer Science 2025-02-04 Barbara Wirthl , Paolo Decuzzi , Bernhard A. Schrefler , Wolfgang A. Wall

A new tool providing material contrast control in scanning electron microscopy (SEM) is demonstrated. The approach is based on deep-UV illumination during SEM imaging and delivers a novel material based contrast as well as higher resolution…

Instrumentation and Detectors · Physics 2016-04-07 Gediminas Seniutinas , Armandas Balcytis , Saulius Juodkazis

Transcranial photobiomodulation is an optical method for non-invasive brain stimulation. The method projects red and near-infrared light through the scalp within 600-1100 nm and low energy within the 1-20 J/cm2 range. Recent studies have…

Numerical Analysis · Mathematics 2022-12-12 Faezeh Ibrahimi , Mehdi Delrobaei

Stellar XUV (X-ray and extreme ultraviolet) emission drives the heating and chemical reactions in planetary atmospheres and protoplanetary disks, and therefore, a proper estimation of a stellar XUV spectrum is required for their studies.…

Solar and Stellar Astrophysics · Physics 2024-11-13 Munehito Shoda , Kosuke Namekata , Shinsuke Takasao