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A Novel Lighting OLED Panel Design.

A novel OLED (organic light emitting diode) lighting panel, which uses a special layout design, can reduce the photolithography cycles and process costs and is more reliable. It only needs two steps of photolithography cycles, which include an ITO (InSnO compound transparent oxide) pattern and insulator pattern. There is no need for the metal bus pattern of the ordinary design. The OLED device structure is a type of red-green-blue (RGB)-stacked emitting layer that has a good color index and greater adjustability, which improves the performance of the device. This novel design has the same equi

Mechanisms and clinical application of photobiomodulation in pain therapy: a mini review.

Chronic pain remains a major clinical challenge, creating a need for safe, non-pharmacological interventions. This narrative mini-review exa … ry visual cortex, and anterior cingulate cortex. Its effects are wavelength- and context-dependent. Green light has generally produced antinociceptive effects in preclinical studies and preliminary clinical benefits in migraine, whereas visual exposure to red light has predominantly been associated with increased pain. White light can either facilitate or sup …

Temperature Stress Resilience in Polar Chlamydomonas Is Regulated by Acclimation to Light and Salinity: Implications for Survival in a Changing World.

Aquatic algae are key primary producers in the Arctic and Antarctic, yet how cold-water species respond to environmental change is poorly understood. The polar regions are increasingly exposed to frequent heat waves, leading to declining ice cover, increasing light availability, and decreasing salinity in polar waters. We compared three phylogenetically related but geographically distant polar Chlamydomonas species to test how habitat history shapes algal responses to light, salinity, and temperature stress. We assessed the growth, morphology, and photochemistry of psychrophilic Chlamydomonas

Injectable Artificial Photoreceptors: STEM Cell Functional Integration and in vivo Electrophysiological Validation in Retinal Degeneration Models.

In this study, an injectable artificial photoreceptor (APR) is engineered to transduce visible light into cell-level electrical stimulation via localized surface plasmon resonance to restore vision in patients with vision loss. APRs comprise gold nanoparticles (AuNPs) with poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) dielectric coating and are integrated onto a high-permittivity barium titanate core. This yields a stable nanocomposite with maximum absorbance in the green band at around 525 nm. APRs were evaluated in vitro using human pluripotent stem cell-derived retinal gangli

Distribution of photosensitive fagopyrin in buckwheat flowers and its potential biological relevance.

Fagopyrum esculentum (Moench) is a valuable pseudo-cereal valued for its highly nutritious, gluten-free seeds. Despite being recognized as a 21st -century superfood, buckwheat remains non-competitive in seed yield compared to common cereals. Low productivity is mainly caused by abnormalities in female gametophyte development and frequent flower and embryo abortion. Buckwheat flowers accumulate high levels of phototoxic fagopyrin (FAG), whose physiological role remains unclear. FAG and its precursor (PFAG) are light-sensitive compounds with absorbance spectra in the green-yellow range (549-593 

Nanostructure Control of GaN by Electrochemical Etching for Enhanced Perovskite Quantum Dot LED Backlighting.

Upgraded technology has realized miniaturization and promoted transformation in each field. Miniaturized light-emitting diode (LED) chips enable higher resolution and create a full sense of immersion in displays. Porous GaN is a structure that can reduce excitation light leakage and enhance the light conversion efficiency. Perovskite quantum dots with the highest optical density as candidate materials for loading in pores can significantly decrease the aggregation phenomenon and increase the path of light absorption. Here, the porous tunability is explored by electrochemical etching under a ra

Clinical application of photodynamic medicine technology using light-emitting fluorescence imaging based on a specialized luminous source.

The natural amino acid 5-aminolevulinic acid (ALA) is a protoporphyrin IX (PpIX) precursor and a new-generation photosensitive substance that accumulates specifically in cancer cells. When indocyanine green (ICG) is irradiated with near-infrared (NIR) light, it shifts to a higher energy state and emits infrared light with a longer wavelength than the irradiated NIR light. Photodynamic diagnosis (PDD) using ALA and ICG-based NIR fluorescence imaging has emerged as a new diagnostic technique. Specifically, in laparoscopic examinations for serosa-invading advanced gastric cancer, peritoneal metas

Effect of monochromatic light on circadian rhythmic expression of clock genes and arylalkylamine N-acetyltransferase in chick retina.

Birds have more developed visual function. They not only have the ability to detect light and darkness but also have the color vision. Previous study showed that monochromatic light influenced avian physiological processes, which were controlled by clock genes. Therefore, bird's eye is a good model to studying the impact of color of light on circadian rhythms. Avian retina is one of the most important central oscillations. The study was designed to investigate the effect of color of light on the expression of clock genes and arylalkylamine N-acetyltransferase (Aanat) mRNA expression in chick r

Daily and seasonal variation in the spectral composition of light exposure in humans.

Light is considered the most potent synchronizer of the human circadian system and exerts many other non-image-forming effects, including those that affect brain function. These effects are mediated in part by intrinsically photosensitive retinal ganglion cells that express the photopigment melanopsin. The spectral sensitivity of melanopsin is greatest for blue light at approximately 480 nm. At present, there is little information on how the spectral composition of light to which people are exposed varies over the 24 h period and across seasons. Twenty-two subjects, aged 22+/-4 yrs (mean+/-SD)

Laser treatment of acne vulgaris.

Traditional medical treatments for acne vulgaris include a variety of topical and oral medications. The combination of poor compliance, lack of durable remission, and potential side effects are common drawbacks to these treatments. The use of lasers and light devices has increased dramatically in recent years due to the overall ease of treatment, predictable clinical efficacy, and minimal adverse effects. A variety of light and laser devices has been used for the treatment of acne, including the potassium titanyl phosphate (KTP) laser, the 585- and 595-nm pulsed dye lasers, the 1450-nm diode l

Neither functional rod photoreceptors nor rod or cone outer segments are required for the photic inhibition of pineal melatonin.

Pineal melatonin production is rapidly suppressed by light. In mammals, the photoreceptors mediating this response are ocular; however, definitive information regarding their nature and precise location is absent. In an attempt to define these photoreceptors, we examined the sensitivity of pineal melatonin production to inhibition by controlled irradiance monochromatic green light (lambda max 509 nm) in C3H mice bearing either of two mutations affecting the retina: retinal degeneration (rd), a disruption of rod phototransduction, and retinal degeneration slow (rds), an ablation of photorecepto…

Functional relationship of AtABCG21 and AtABCG22 in stomatal regulation.

Stomatal regulation is important for water transpiration from plants. Stomatal opening and closing are controlled by many transporter proteins in guard cells. AtABCG22 is a member of the ATP-binding cassette (ABC) transporters and is a stomatal regulator; however, the function of AtABCG22 has not yet been determined fully, although a mutant phenotype included a significant effect on stomatal status. Here, we further investigated the function of the AtABCG22 gene and its functional relationships with other subfamily genes. Among close family members, we found a functional relationship of stomat

Efficacy and safety of near-infrared fluorescence identification of the thoracic duct during left lateral neck dissection.

BACKGROUND: Thoracic duct leaks occur in up to 5% of left lateral neck dissections. No one imaging modality is routinely used to identify the thoracic duct intraoperatively. The goal of our study was to evaluate the efficacy and safety of indocyanine green lymphangiography for intraoperative identification of the thoracic duct compared to traditional methods using ambient and evaluate the optimal timing of indocyanine green administration. METHODS: We enrolled all patients who underwent left lateral neck dissection at our institution from 2018 to 2022 in this prospective clinical trial. After

Helicobacter pylori in portal hypertension.

Trichoderma species are widely recognized as the primary causal agents of green mold contamination in mushroom cultivation. The pathogenicity of Trichoderma is mainly due to its competitive ability to rapidly colonize lignocellulosic substrates, thereby outcompeting mushroom mycelia for nutrients and space. Green mold contamination frequently occurs during the spawn-running and cropping stages, leading to substantial yield losses. Consequently, the development of effective and sustainable management strategies for green mold contamination has become a critical priority in mushroom production.

Melatonin nuclear receptors mediate monochromatic light-induced T-lymphocyte proliferation of thymus through the AKT/GSK3β/β-catenin pathway in chick.

Based on previous research, it's unclear about the signaling pathway involved in the negative regulation of T-lymphocyte proliferation in thymus by monochromatic red light. Newly hatched chicks were randomly assigned divided into white (WL), red (RL), green (GL), and blue (BL) light treatments. Three days later, each light treatment group was further divided into intact, sham operation, and pinealectomy groups. The findings revealed that RL led to an increase in the expression of RORα and RORγ, while p-AKT/p-GSK3β/β-catenin/CyclinD1 expression in the thymus of chicks were decreased. Conversely

Shedding Light on Bird Egg Color: Pigment as Parasol and the Dark Car Effect.

The vibrant colors of many birds' eggs, particularly those that are blue to blue-green, are extraordinary in that they are striking traits present in hundreds of species that have nevertheless eluded evolutionary functional explanation. We propose that egg pigmentation mediates a trade-off between two routes by which solar radiation can harm bird embryos: transmittance through the eggshell and overheating through absorbance. We quantitatively test four components of this hypothesis on variably colored eggs of the village weaverbird (Ploceus cucullatus) in a controlled light environment: (1) da

Объективная фотодинамическая виротерапия, вооруженная генетически закодированным фотосенсибилизатором.

Фотодинамическая терапия (PDT) — минимально инвазивная антивизуальная терапия, которая искореняет клетки опухоли с помощью цитотоксичного воздействия на световое облучение. Однако системное управление фотоленсибилизаторами часто затрудняет предотвращение неблагоприятного воздействия фоточувствительности. Красный флуоресцентный белок KillerRed генерирует реактивные виды кислорода (ROS) при зеленом излучении света. Здесь мы показываем терапевтический потенциал новаторского фотодинамического вирусного агента (TelomeKiller), построенного с помощью человека-промоциатора по обратной транскрипции тел

Совпадение в аннотации оригинала
Photodynamic therapy (PDT) is a minimally invasive antitumor therapy that eradicates tumor cells through a photosensitizer-mediated cytotoxi … adverse effect. The red fluorescent protein KillerRed generates reactive oxygen species (ROS) upon green light irradiation. Here, we show the therapeutic potential of a novel tumor-specific replicating photodynamic viral agent (TelomeKiller) constructed using the human telomerase reverse transcriptase (hTERT) promoter. We investigated the light-induced antit …

Formulation and evaluation of a eucalyptus oil-decorated phyto-silver nanoparticle enriched herbal hand sanitizer with enhanced antimicrobial, antioxidant, and derma protective potential.

The increasing prevalence of skin infections and the widespread use of alcohol-based sanitizers have intensified the demand for hygienic formulations that are not only antimicrobial but also skin-compatible and environmentally sustainable. Recent literature highlights the potential of green-synthesized nanomaterials, particularly plant-mediated silver nanoparticles (AgNPs), as safer alternatives to chemically synthesized antimicrobials. Building on this evidence, the present study reports the development of a bio-integrated herbal nanogel hand sanitizer formulated using green-synthesized AgNPs

The utility of narrow band imaging in endoscopic diagnosis of laryngopharyngeal reflux.

OBJECTIVE: This study assessed the utility of narrow band imaging (NBI) in patients with symptoms of laryngopharyngeal reflux (LPR) and tried to quantitatively evaluate the signs found under the NBI Laryngoscope. METHODS: Patients with and without LPR symptoms completed reflux symptom index (RSI) questionnaires prior to enrolment. The throat was examined by standard white light endoscopy followed by NBI. LPR status was determined using the reflux finding score and the RSI. Laryngoscope images and videos from 70 subjects with LPR and 70 control subjects without LPR were obtained. Features seen

Modulation of mycelial formation in Streptomyces toxytricini and enhancement of lipstatin using light.

Scanty reports exist on Streptomyces toxytricini, a natural producer of the anti-obesity pro-drug lipstatin. For the first time, a study has been conducted on the regulation of its secondary metabolite synthesis using light. The present study investigates the impact of multiple light conditions on mycelial hyphal development and lipstatin production in S. toxytricini. Upon examining the mycelial, hyphal, and pellet morphogenesis under various light conditions, the differential pattern from dense pellet to loose mycelial hyphae was observed in the submerged fermentation condition. Biomass accum