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602 Results Found

  • Article
  • Open Access
2 Citations
4,083 Views
15 Pages

24 January 2022

In this work, the relative yields of aqueous secondary organic aerosols (aqSOAs) at the air–liquid (a–l) interface are investigated between photochemical and dark aging using in situ time-of-flight secondary ion mass spectrometry (ToF-SIM...

  • Article
  • Open Access
1,409 Views
19 Pages

Influence of Dark Aging on the Mechanical Properties of Zirconium Silicate Nanoparticle-Reinforced Maxillofacial Silicone Prostheses

  • Saja Kareem Esmael,
  • Faten Khalid Al-Kadi,
  • Jwan Fateh Abdulkareem and
  • Mohammed Abdalla Mahmood

18 November 2025

Background/Objectives: Silicone elastomers are widely used in maxillofacial prostheses, but their service life is typically limited to 6–24 months due to progressive degradation. Reinforcement with zirconium silicate (ZrSiO4) nanoparticles has...

  • Article
  • Open Access
12 Citations
3,882 Views
13 Pages

Association of Human Plasma Metabolomics with Delayed Dark Adaptation in Age-Related Macular Degeneration

  • Kevin M. Mendez,
  • Janice Kim,
  • Inês Laíns,
  • Archana Nigalye,
  • Raviv Katz,
  • Shrinivas Pundik,
  • Ivana K. Kim,
  • Liming Liang,
  • Demetrios G. Vavvas and
  • Deeba Husain
  • + 3 authors

21 March 2021

The purpose of this study was to analyze the association between plasma metabolite levels and dark adaptation (DA) in age-related macular degeneration (AMD). This was a cross-sectional study including patients with AMD (early, intermediate, and late)...

  • Review
  • Open Access
28 Citations
8,741 Views
24 Pages

Dark Adaptation and Its Role in Age-Related Macular Degeneration

  • Archana K. Nigalye,
  • Kristina Hess,
  • Shrinivas J. Pundlik,
  • Brett G. Jeffrey,
  • Catherine A. Cukras and
  • Deeba Husain

1 March 2022

Dark adaptation (DA) refers to the slow recovery of visual sensitivity in darkness following exposure to intense or prolonged illumination, which bleaches a significant amount of the rhodopsin. This natural process also offers an opportunity to under...

  • Article
  • Open Access
738 Views
20 Pages

29 January 2026

The Tibetan “Dark Age,” following the collapse of the Tibetan Empire in the mid-ninth century, has traditionally been viewed as a period of cultural and religious decline. This paper reframes that narrative by examining recently excavated...

  • Article
  • Open Access
18 Citations
4,419 Views
26 Pages

Climate Variability in Central Europe during the Last 2500 Years Reconstructed from Four High-Resolution Multi-Proxy Speleothem Records

  • Sarah Waltgenbach,
  • Dana F. C. Riechelmann,
  • Christoph Spötl,
  • Klaus P. Jochum,
  • Jens Fohlmeister,
  • Andrea Schröder-Ritzrau and
  • Denis Scholz

The Late Holocene was characterized by several centennial-scale climate oscillations including the Roman Warm Period, the Dark Ages Cold Period, the Medieval Warm Period and the Little Ice Age. The detection and investigation of such climate anomalie...

  • Feature Paper
  • Review
  • Open Access
3,744 Views
18 Pages

27 May 2025

Dark adaptometry is a non-invasive functional test that assesses the retina’s ability to recover sensitivity in low-light conditions following photobleaching. This review explores the physiological mechanisms underlying dark adaptation (DA), in...

  • Article
  • Open Access
1 Citations
1,579 Views
13 Pages

Structure of the Baryon Halo Around a Supermassive Primordial Black Hole

  • Boris Murygin,
  • Viktor Stasenko and
  • Yury Eroshenko

13 November 2024

According to some theoretical models, primordial black holes with masses of more than 108 solar masses could be born in the early universe, and their possible observational manifestations have been investigated in a number of works. Dense dark matter...

  • Article
  • Open Access
4 Citations
3,509 Views
11 Pages

5 March 2021

Aqueous secondary organic aerosol (aqSOA) formation from volatile and semivolatile organic compounds at the air–liquid interface is considered as an important source of fine particles in the atmosphere. However, due to the lack of in situ detecting t...

  • Article
  • Open Access
11 Citations
8,224 Views
11 Pages

13 April 2017

In this study, the characteristics of a photovoltaic (PV) ribbon (t = 0.25 mm) joint with 60Sn40Pb and 62Sn2Ag36Pb solders were evaluated using thermal shock tests. The thermal shock tests were performed under three conditions: −40–65 °C, −40–85 °C,...

  • Review
  • Open Access
6,346 Views
19 Pages

22 August 2025

Carboxytherapy is a non-invasive therapeutic method involving the transcutaneous or subcutaneous administration of carbon dioxide (CO2), which stimulates microcirculation, neoangiogenesis, and collagen production. This narrative review summarizes the...

  • Article
  • Open Access
5 Citations
3,406 Views
25 Pages

Transcriptional Programs and Regulators Underlying Age-Dependent and Dark-Induced Senescence in Medicago truncatula

  • Kashif Mahmood,
  • Ivone Torres-Jerez,
  • Nick Krom,
  • Wei Liu and
  • Michael K. Udvardi

6 May 2022

In forage crops, age-dependent and stress-induced senescence reduces forage yield and quality. Therefore, delaying leaf senescence may be a way to improve forage yield and quality as well as plant resilience to stresses. Here, we used RNA-sequencing...

  • Article
  • Open Access
17 Citations
3,811 Views
14 Pages

Plasma Metabolomic Profiles Associated with Three-Year Progression of Age-Related Macular Degeneration

  • Ines Lains,
  • Kevin Mendez,
  • Archana Nigalye,
  • Raviv Katz,
  • Vivian Paraskevi Douglas,
  • Rachel S. Kelly,
  • Ivana K. Kim,
  • John B. Miller,
  • Demetrios G. Vavvas and
  • Deeba Husain
  • + 3 authors

1 January 2022

Plasma metabolomic profiles have been shown to be associated with age-related macular degeneration (AMD) and its severity stages. However, all studies performed to date have been cross-sectional and have not assessed progression of AMD. This prospect...

  • Review
  • Open Access
2 Citations
3,464 Views
32 Pages

The Dark Side of Vascular Aging: Noncoding Ribonucleic Acids in Heart Failure with Preserved Ejection Fraction

  • Jianning Chen,
  • Xiao Xiao,
  • Charles Zhou,
  • Yajing Zhang,
  • James Rhee and
  • Haobo Li

16 August 2025

Heart failure with preserved ejection fraction (HFpEF) represents a growing global public health challenge, now accounting for approximately half of all heart failure cases and often linked to a systemic pathophysiological process in older adults wit...

  • Article
  • Open Access
1 Citations
2,789 Views
17 Pages

Surviving a Dark Age: The Oldest Baleen-Bearing Whales (Cetacea: Chaeomysticeti) of Pacific South America (Lower Miocene, Peru)

  • Francesco Nobile,
  • Olivier Lambert,
  • Giovanni Bianucci,
  • Eli Amson,
  • Mark Bosselaers,
  • Giulia Bosio,
  • Luca Pellegrino,
  • Elisa Malinverno,
  • Claudio Di Celma and
  • Alberto Collareta
  • + 1 author

13 March 2025

The evolution of baleen whales (Mysticeti) comprises two main phases, namely, (i) a Paleogene phase, which saw the diversification of stem lineages, and (ii) a Neogene phase, dominated by modern-looking, toothless, baleen-bearing forms in the monophy...

  • Article
  • Open Access
24 Citations
3,872 Views
21 Pages

Melatonin (MT), as a signaling molecule, plays a vital role in regulating leaf senescence in plants. This study aimed to verify the antioxidant roles of MT in delaying dark- or age-induced leaf senescence of cucumber plants. The results showed that e...

  • Article
  • Open Access
4 Citations
2,944 Views
12 Pages

Bioactive Properties and Phenolic Composition of Wood-Aged Beers: Influence of Oak Origin and the Use of Pale and Dark Malts

  • Julio C. Machado,
  • Pedro D. M. Nicola,
  • Olga Viegas,
  • Mickael C. Santos,
  • Miguel A. Faria and
  • Isabel M. P. L. V. O. Ferreira

14 March 2023

Ageing beer in contact with wood is a common technological procedure that has been used for centuries to improve colour, structure, and certain flavours. Herein, the impact of the addition of French and American oak wood to two beer styles, pale and...

  • Feature Paper
  • Review
  • Open Access
45 Citations
17,553 Views
42 Pages

16 March 2023

Life expectancy has drastically increased over the last few decades worldwide, with important social and medical burdens and costs. To stay healthy longer and to avoid chronic disease have become essential issues. Organismal aging is a complex proces...

  • Article
  • Open Access
13 Citations
2,617 Views
21 Pages

23 February 2023

Though deemed a prospective method, the bioconversion of organic waste to biohydrogen via dark fermentation (DF) has multiple drawbacks and limitations. Technological difficulties of hydrogen fermentation may, in part, be eliminated by making DF a vi...

  • Article
  • Open Access
29 Citations
4,285 Views
14 Pages

A Novel Au@Cu2O-Ag Ternary Nanocomposite with Highly Efficient Catalytic Performance: Towards Rapid Reduction of Methyl Orange Under Dark Condition

  • Tong Wu,
  • Yichuan Kou,
  • Hui Zheng,
  • Jianing Lu,
  • Naveen Reedy Kadasala,
  • Shuo Yang,
  • Chenzi Guo,
  • Yang Liu and
  • Ming Gao

24 December 2019

Au@Cu2O core-shell nanocomposites (NCs) were synthesized by reducing copper nitrate on Au colloids with hydrazine. The thickness of the Cu2O shells could be varied by adjusting the molar ratios of Au: Cu. The results showed that the thickness of Cu2O...

  • Article
  • Open Access
15 Citations
6,722 Views
14 Pages

Noble metallic nanoparticles (NPs) such as gold and silver nanoparticles (AuNPs and AgNPs) have been shown to exhibit anti-tumor effect in anti-angiogenesis, photothermal and radio therapeutics. On the other hand, cell membranes are critical locales...

  • Article
  • Open Access
5 Citations
3,605 Views
22 Pages

Surface Chalking upon Weathering of Dark-Colored PVC Articles and Relevant Stabilizers

  • Stefano Gardi,
  • Lorenzo Giannone,
  • Gianfranco Sarti and
  • Gianluca Sarti

10 April 2024

PVC items (38% carbon atoms w/w) are environmentally friendly as, unlike polyolefins (86% carbon atoms w/w), they are mainly based on chlorine, one of the most abundant elements on Earth and, so, less based on fossil resources. However, in the eco-de...

  • Article
  • Open Access
6 Citations
7,996 Views
12 Pages

28 February 2024

Background: The 1064 nm Q-switched neodymium-doped yttrium aluminum garnet (QS Nd:YAG) laser was developed to treat unwanted pigmentation in the skin such as lentigines caused by photoaging, and tattoos from dye/ink insertion. This laser has also bee...

  • Article
  • Open Access
13 Citations
3,350 Views
16 Pages

Fluorescence Quenching of Tyrosine-Ag Nanoclusters by Metal Ions: Analytical and Physicochemical Assessment

  • Ditta Ungor,
  • Rita Bélteki,
  • Krisztián Horváth,
  • Orsolya Dömötör and
  • Edit Csapó

29 August 2022

A new synthesis method is described for the first time to produce silver nanoclusters (AgNCs) by using the tyrosine (Tyr) amino acid. Several important parameters (e.g., molar ratios, initial pH, reaction time etc.) were optimized to reach the highes...

  • Feature Paper
  • Review
  • Open Access
4 Citations
6,052 Views
27 Pages

6 October 2022

In this review, hydro-technological advancements in the Hellenic world throughout the millennia are considered in relation to the scientific developments and perceptions of the natural world articulated by Greek thinkers. Starting with the advanced h...

  • Article
  • Open Access
24 Citations
10,422 Views
13 Pages

A Pilot Study Evaluating the Effects of 670 nm Photobiomodulation in Healthy Ageing and Age-Related Macular Degeneration

  • Manjot K. Grewal,
  • Chrishne Sivapathasuntharam,
  • Shruti Chandra,
  • Sarega Gurudas,
  • Victor Chong,
  • Alan Bird,
  • Glen Jeffery and
  • Sobha Sivaprasad

2 April 2020

Limited evidence suggests that the application of 670 nm of red light alters the course of aged decline. A previous report on 18 patients showed regression of drusen and improvement in visual functions in patients with intermediate age-related macula...

  • Article
  • Open Access
1 Citations
1,054 Views
20 Pages

1 April 2025

Spanish mystic Saint Juan (John) of the Cross (1542–1591) began writing poetry while imprisoned by his own monastic order. He developed manuals for contemplation, in part, in the form of commentaries on his principal poems. Their first-person n...

  • Article
  • Open Access
9 Citations
3,368 Views
15 Pages

27 March 2021

To study the characteristics of light and dark adaptation in tunnel portals, and to determine the influencing factors in light–dark vision adaptation, basic tunnel lighting and linear design data were obtained. In this study, we used a light-shielded...

  • Article
  • Open Access
1 Citations
2,056 Views
15 Pages

Effects of Dark Treatment on Lignin and Cellulose Synthesis in Celery

  • Shunhua Zhu,
  • Xiulai Zhong,
  • Xinqi Zhang,
  • Aisheng Xiong,
  • Qing Luo,
  • Kun Wang,
  • Mengyao Li and
  • Guofei Tan

25 April 2024

To clarify the impact of continuous dark stress on lignin and cellulose synthesis in celery, shade-tolerant celery varieties were screened. Yellow celery variety ‘Qianhuang No.1’ and green celery variety ‘Qianlv No.1’ were sep...

  • Article
  • Open Access
4 Citations
2,796 Views
10 Pages

Effect of Visual Feedback on the Eye Position Stability of Patients with AMD

  • Esther G. González,
  • Mark S. Mandelcorn,
  • Efrem D. Mandelcorn and
  • Luminita Tarita-Nistor

4 November 2019

The sources of the reduced fixation stability exhibited by patients with central vision loss in the light are relatively well understood, but we have no information on how they control eye position in complete darkness, in the absence of visual error...

  • Article
  • Open Access
4 Citations
2,617 Views
10 Pages

9 August 2024

Image processing with artificial intelligence has shown significant promise in various medical imaging applications. The present study aims to evaluate the performance of 16 different convolutional neural networks (CNNs) in predicting age and gender...

  • Article
  • Open Access
17 Citations
3,035 Views
17 Pages

In the paper, we consider two models in which dark energy is coupled with either dust matter or dark matter, and discuss the conditions that allow more time for structure formation to take place at high redshifts. These models are expected to have a...

  • Article
  • Open Access
3 Citations
3,436 Views
14 Pages

The Dark Triad of personality has been associated with aggression against others as a reaction to perceived provocations. However, previous work has also shown that such responsive aggression even occurs if it means harming oneself. The first of two...

  • Article
  • Open Access
3 Citations
3,170 Views
16 Pages

Exploring the Influence of Dark Triad and Light Triad Traits on Sport Sciences Students

  • Sermin Agrali Ermis,
  • Ayse Hazal Boyanmis,
  • İnci Kesilmiş,
  • Turhan Toros,
  • Emre Bulent Ogras,
  • Manolya Akın,
  • Cenk Temel,
  • Alper Cenk Gurkan and
  • Yesim Karac Ocal

6 August 2024

Background and Objectives: The primary purpose of the article was to examine the relationship between dark and light personality traits in university students enrolled in the Faculty of Sport Sciences. Materials and Methods: Data were collected from...

  • Article
  • Open Access
776 Views
17 Pages

24 December 2025

Young people in residential care settings tend to present a heightened risk of emotional and behavioral problems. This study intended to explore connections between Dark Triad personality traits and psychological adjustment and to investigate potenti...

  • Article
  • Open Access
435 Views
16 Pages

Background: The aqueous and methanolic extracts (AE and ME) of Bergenia ciliata leaves have contradictory silver nanoparticles (AgNP) synthesis potential, influenced by photoirradiation. Method: In the current study, photoirradiation-mediated AgNP sy...

  • Article
  • Open Access
29 Citations
6,956 Views
19 Pages

7 January 2016

Chicks require heat to maintain body temperature during the first weeks after hatch. This may be provided by dark brooders; i.e. , horizontal heating elements equipped with curtains. The objective was to test effects of rearing layer chicks with dar...

  • Article
  • Open Access
3 Citations
2,330 Views
20 Pages

Green Synthesis of Nanoparticle-Loaded Bacterial Cellulose Membranes with Antibacterial Properties

  • Mohammed Khikani,
  • Gabriela-Olimpia Isopencu,
  • Iuliana-Mihaela Deleanu,
  • Sorin-Ion Jinga and
  • Cristina Busuioc

16 November 2024

The current work proposes the development of composite membranes based on bacterial cellulose (BC) loaded with silver (Ag) and zinc oxide (ZnO) nanostructures by in situ impregnation. The research involves the production and purification of BC, follo...

  • Article
  • Open Access
5 Citations
5,513 Views
15 Pages

Image Stabilization in Central Vision Loss: The Horizontal Vestibulo-Ocular Reflex

  • Esther G. González,
  • Runjie Shi,
  • Luminita Tarita-Nistor,
  • Efrem D. Mandelcorn,
  • Mark S. Mandelcorn and
  • Martin J. Steinbach

13 April 2018

For patients with central vision loss and controls with normal vision, we examined the horizontal vestibulo-ocular reflex (VOR) in complete darkness and in the light when enhanced by vision (VVOR). We expected that the visual-vestibular interaction d...

  • Article
  • Open Access
27 Citations
4,453 Views
11 Pages

Oxidative Inactivation of SARS-CoV-2 on Photoactive AgNPs@TiO2 Ceramic Tiles

  • Ridha Djellabi,
  • Nicoletta Basilico,
  • Serena Delbue,
  • Sarah D’Alessandro,
  • Silvia Parapini,
  • Giuseppina Cerrato,
  • Enzo Laurenti,
  • Ermelinda Falletta and
  • Claudia Letizia Bianchi

17 August 2021

The current SARS-CoV-2 pandemic causes serious public health, social, and economic issues all over the globe. Surface transmission has been claimed as a possible SARS-CoV-2 infection route, especially in heavy contaminated environmental surfaces, inc...

  • Article
  • Open Access
23 Citations
9,029 Views
20 Pages

Dark Tourists: Profile, Practices, Motivations and Wellbeing

  • José Magano,
  • José A. Fraiz-Brea and
  • Ângela Leite

This work aims to address whether knowing what dark tourism is (or not) impacts rumination on sadness, self-hatred, hostility, psychological vulnerability, and tourist wellbeing, as well as practices and motivations for dark tourism. A quantitative a...

  • Article
  • Open Access
13 Citations
11,396 Views
13 Pages

The Relationship between the Lunar Phase, Menstrual Cycle Onset and Subjective Sleep Quality among Women of Reproductive Age

  • Yoko Komada,
  • Makoto Sato,
  • Yuko Ikeda,
  • Azusa Kami,
  • Chika Masuda and
  • Shigenobu Shibata

The aim of the present study was to investigate the association among lunar cycle, menstrual cycle onset, and subjective sleep quality. Menstrual cycle onset data from the six most recent menstrual cycles were obtained for 529 women (aged 25–39 years...

  • Article
  • Open Access
15 Citations
3,242 Views
15 Pages

23 July 2021

A round-the-clock photocatalyst with energy-storage ability has piqued the interest of researchers for removing microbial contaminants from indoor environments. This work presents a moderate round-the-clock method for inhibiting the growth of fungus...

  • Article
  • Open Access
16 Citations
5,836 Views
13 Pages

Does Evil Prevail? The “Bright” and “Dark” Sides of Personality as Predictors of Adaptive Performance

  • Pedro J. Ramos-Villagrasa,
  • Elena Fernández-del-Río and
  • Juan Ramón Barrada

8 January 2020

The turbulent context in which organizations operate today makes them search for adaptable workers. Previous studies have shown the predictive value of the “Big Five” personality traits on adaptive performance, but some authors suggest ex...

  • Article
  • Open Access
23 Citations
6,731 Views
14 Pages

Dark Triad traits and self-control are considered viable causal precursors to antisocial and criminal outcomes in youth. The purpose of the present study is to concurrently compare how Dark Triad traits and self-control differ in terms of predicting...

  • Article
  • Open Access
30 Citations
9,325 Views
14 Pages

Dark Triad Traits and Risky Behaviours: Identifying Risk Profiles from a Person-Centred Approach

  • Lorena Maneiro,
  • María Patricia Navas,
  • Mitch Van Geel,
  • Olalla Cutrín and
  • Paul Vedder

The relationship between Dark Triad traits and risky behaviours has been shown in recent years. However, few studies have attempted to disentangle this relationship using a person-centred approach. The goal of the current study was to identify subgro...

  • Article
  • Open Access
912 Views
10 Pages

Recovery of the Pupillary Response After Light Adaptation Is Slowed in Patients with Age-Related Macular Degeneration

  • Javier Barranco Garcia,
  • Thomas Ferrazzini,
  • Ana Coito,
  • Dominik Brügger and
  • Mathias Abegg

10 November 2025

Purpose: This study evaluates a novel, non-invasive method using a virtual reality (VR) headset with integrated eye trackers to assess retinal function by measuring the recovery of the pupillary response after light adaptation in patients with age-re...

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