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View article: Ultrasensitive optoelectronic biosensor arrays based on twisted bilayer graphene superlattice
Ultrasensitive optoelectronic biosensor arrays based on twisted bilayer graphene superlattice Open
Recent advances in twistronics have revealed tunable optoelectronic properties in twisted bilayer graphene (tBLG), including angle-dependent dielectric responses and enhanced light absorption due to van Hove singularity (VHS). However, ach…
View article: Overcoming Sperm Cell Survival Challenges Cryopreserved in Nanoliter Volumes
Overcoming Sperm Cell Survival Challenges Cryopreserved in Nanoliter Volumes Open
The cryopreservation of limited sperm samples, especially those retrieved from patients, poses significant challenges due to the small number of viable cells available for freezing. Traditional microliter cryopreservation methods are fraug…
View article: Application of PIXE for Tear Analysis: Impact of Mineral Supplementation on Iron and Magnesium Levels in Athletes
Application of PIXE for Tear Analysis: Impact of Mineral Supplementation on Iron and Magnesium Levels in Athletes Open
Background/Objectives: To evaluate the concentrations of trace elements in tear fluid among athletes using particle-induced X-ray emission (PIXE), and to assess the associations with gender, sports intensity, and nutritional supplement int…
View article: Combined optical-electromechanical wearable sensors for cardiac health monitoring
Combined optical-electromechanical wearable sensors for cardiac health monitoring Open
We demonstrate that sensor placement significantly affects measurement quality, emphasizing the importance of optimizing placement when integrating multiple biosensors. Future work will focus on developing a unified wearable system that le…
View article: Overcoming Sperm Cell Survival Challenges Cryopreserved in Nanoliter Volumes
Overcoming Sperm Cell Survival Challenges Cryopreserved in Nanoliter Volumes Open
The cryopreservation of limited sperm samples, especially those retrieved from patients, poses significant challenges due to the small number of viable cells available for freezing. Traditional microliter cryopreservation methods are fraug…
View article: Crystallization of L‐Cysteine in Heavy Water Induces Intrinsic Fluorescence
Crystallization of L‐Cysteine in Heavy Water Induces Intrinsic Fluorescence Open
Developing noninvasive techniques that can probe how solvents modulate the nucleation pathways of bioorganic molecules in solution remains an active and open area of research. Herein, we investigate the crystallization of the amino acid L‐…
View article: Gold-Nanoparticles Reflectance Discriminates Benign from Malignant Salivary Gland Neoplasms
Gold-Nanoparticles Reflectance Discriminates Benign from Malignant Salivary Gland Neoplasms Open
Objectives: This study aimed to assess the effectiveness of gold nanoparticles conjugated with anti-EGFR monoclonal antibodies (GNPs-EGFR) in distinguishing between benign and malignant salivary gland tumors. Methods: A total of 49 oral sa…
View article: Anion-π Type Polymeric Nanoparticle Dispersants for Enhancing the Dispersion Stability of Organic Pigments in Water
Anion-π Type Polymeric Nanoparticle Dispersants for Enhancing the Dispersion Stability of Organic Pigments in Water Open
High-performance water-based inkjet inks are critical for advancing inkjet printing technology. The performance of water-based inkjet inks depends largely on the dispersion stability of organic pigments. This imposes higher demands on the …
View article: Turning on the Light: Polymorphism-Induced Photoluminescence in Cysteine Crystals
Turning on the Light: Polymorphism-Induced Photoluminescence in Cysteine Crystals Open
Photoluminescence of non-aromatic supramolecular chemical assemblies has attracted considerable attention in recent years due to its potential for use in molecular sensing and imaging technologies. The underlying structural origins, the me…
View article: Enhanced Fluorescence Imaging of Implants Based on Polyester Copolymers in Combination With MRI
Enhanced Fluorescence Imaging of Implants Based on Polyester Copolymers in Combination With MRI Open
Nowadays, many biodegradable materials are offered for biomedical applications, but there are only a few in vivo methods for their detection and monitoring. In this work, implants based on biodegradable polyester copolymers were labeled wi…
View article: A Novel Nanomaterial-Based Approach for the Cryopreservation of Individual Sperm Cells Using Addressable Nanoliter Containers
A Novel Nanomaterial-Based Approach for the Cryopreservation of Individual Sperm Cells Using Addressable Nanoliter Containers Open
The research and development of a matrix of Addressable Nanoliter Containers (ANLCs) is the focus of this work. ANLCs introduce a novel approach for cryopreserving single sperm cells. A significant increase in sperm cell mortality was obse…
View article: A Novel Nanomaterial-Based Approach for Cryopreservation of Individual Sperm Cells Using Addressable Nanoliter Containers
A Novel Nanomaterial-Based Approach for Cryopreservation of Individual Sperm Cells Using Addressable Nanoliter Containers Open
The research and development of a matrix of Addressable Nanoliter Containers (ANLC) is the focus of this work. The ANLC introduces a novel approach for cryopreserving single sperm cells. A significant increase in sperm cell mortality was o…
View article: Cobalt Toxicity Induces Retinopathy and Optic Neuropathy in Mice
Cobalt Toxicity Induces Retinopathy and Optic Neuropathy in Mice Open
This study demonstrated functional visual impairment with extensive inflammatory reaction secondary to cobalt toxicity in mice.
View article: Structure–Function Correlation in Cobalt-Induced Brain Toxicity
Structure–Function Correlation in Cobalt-Induced Brain Toxicity Open
Cobalt toxicity is difficult to detect and therefore often underdiagnosed. The aim of this study was to explore the pathophysiology of cobalt-induced oxidative stress in the brain and its impact on structure and function. Thirty-five wild-…
View article: Extracting Superficial Scattering by Q‐Sensing Technique
Extracting Superficial Scattering by Q‐Sensing Technique Open
Optical properties determine how light interacts with biological tissues. The current methods for measuring these optical properties are influenced by both deep and superficial skin layers. Polarization‐based methods have been proposed in …
View article: Dependency of crossover point on absorption changes in bilayer diffusion reflection measurements
Dependency of crossover point on absorption changes in bilayer diffusion reflection measurements Open
The experimental findings support and validate the theoretical prediction describing the dependency of the on the square root of the ratio of the layers' absorption coefficients. In addition, a secondary breaking point is suggested to …
View article: Correlated multimodal imaging in life sciences: lessons learnt
Correlated multimodal imaging in life sciences: lessons learnt Open
Correlated Multimodal Imaging (CMI) gathers information about the same specimen with two or more modalities that–combined–create a composite and complementary view of the sample (including insights into structure, function, dynamics and mo…
View article: A Self-Calibrated Single Wavelength Biosensor for Measuring Oxygen Saturation
A Self-Calibrated Single Wavelength Biosensor for Measuring Oxygen Saturation Open
Traditional methods for measuring blood oxygen use multiple wavelengths, which produce an intrinsic error due to ratiometric measurements. These methods assume that the absorption changes with the wavelength, but in fact the scattering cha…
View article: Optical Method for Detection and Classification of Heavy Metal Contaminants in Water Using Iso-pathlength Point Characterization
Optical Method for Detection and Classification of Heavy Metal Contaminants in Water Using Iso-pathlength Point Characterization Open
Water pollution caused by hazardous substances, particularly heavy metal (HM) ions, poses a threat to human health and the environment. Traditional methods for measuring HM in water are expensive and time-consuming and require extensive sa…
View article: Probing Polarity and pH Sensitivity of Carbon Dots in Escherichia coli through Time-Resolved Fluorescence Analyses
Probing Polarity and pH Sensitivity of Carbon Dots in Escherichia coli through Time-Resolved Fluorescence Analyses Open
Intracellular monitoring of pH and polarity is crucial for understanding cellular processes and functions. This study employed pH- and polarity-sensitive nanomaterials such as carbon dots (CDs) for the intracellular sensing of pH, polarity…
View article: Detecting Contaminants in Water Based on Full Scattering Profiles within the Single Scattering Regime
Detecting Contaminants in Water Based on Full Scattering Profiles within the Single Scattering Regime Open
Clean water is essential for maintaining human health. To ensure clean water, it is important to use sensitive detection methods that can identify contaminants in real time. Most techniques do not rely on optical properties and require cal…
View article: Imaging the rotational mobility of carbon dot-gold nanoparticle conjugates using frequency domain wide-field time-resolved fluorescence anisotropy
Imaging the rotational mobility of carbon dot-gold nanoparticle conjugates using frequency domain wide-field time-resolved fluorescence anisotropy Open
SIGNIFICANCE: Wide-field measurements of time-resolved fluorescence anisotropy (TR-FA) provide pixel-by-pixel information about the rotational mobility of fluorophores, reflecting changes in the local microviscosity and other factors influ…
View article: Sensing the penetration of nanodiamond along different skin layers according to their optical properties
Sensing the penetration of nanodiamond along different skin layers according to their optical properties Open
Imaging in opaque media is limited in spatial resolution. Therefore, detection of nanoelements that are behind the imaging resolution limit is challenging. In this work, we used the iterative multiplane optical properties extraction (IMOPE…
View article: Fluorescence attenuated by a thick scattering medium: Theory, simulations and experiments
Fluorescence attenuated by a thick scattering medium: Theory, simulations and experiments Open
Fluorescence‐based imaging has an enormous impact on our understanding of biological systems. However, in vivo fluorescence imaging is greatly influenced by tissue scattering. A better understanding of this dependence can improve the poten…
View article: Magnetite-Based Biosensors and Molecular Logic Gates: From Magnetite Synthesis to Application
Magnetite-Based Biosensors and Molecular Logic Gates: From Magnetite Synthesis to Application Open
In the last few decades, point-of-care (POC) sensors have become increasingly important in the detection of various targets for the early diagnostics and treatment of diseases. Diverse nanomaterials are used as building blocks for the deve…
View article: Recent Advances in the Spintronic Application of Carbon-Based Nanomaterials
Recent Advances in the Spintronic Application of Carbon-Based Nanomaterials Open
The term “carbon-based spintronics” mostly refers to the spin applications in carbon materials such as graphene, fullerene, carbon nitride, and carbon nanotubes. Carbon-based spintronics and their devices have undergone extraordinary devel…
View article: A Novel Facial Cream Based on Skin Penetrable Hemp Oil Microparticles
A Novel Facial Cream Based on Skin Penetrable Hemp Oil Microparticles Open
Objective: Hemp seed oil is perfect for most skin types; it moisturizes skin and protects it from inflammation, oxidation, and other causes of aging. The problem is that the Hemp oil-based products do not penetrate the skin; they remain on…
View article: Characterization of Diabetic Retinopathy in Two Mouse Models and Response to a Single Injection of Anti-Vascular Endothelial Growth Factor
Characterization of Diabetic Retinopathy in Two Mouse Models and Response to a Single Injection of Anti-Vascular Endothelial Growth Factor Open
In this study, we characterized diabetic retinopathy in two mouse models and the response to anti-vascular endothelial growth factor (VEGF) injection. The study was conducted in 58 transgenic, non-obese diabetic (NOD) mice with spontaneous…