Samir Kumar
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View article: The Influence of Psychological And Behavioral Factors on Temporomandibular Disorders: Exploring the Impact of Stress, Anxiety, and the Efficacy of Cognitive Behavioral Therapy
The Influence of Psychological And Behavioral Factors on Temporomandibular Disorders: Exploring the Impact of Stress, Anxiety, and the Efficacy of Cognitive Behavioral Therapy Open
Background: Temporomandibular disorders (TMD) are multifactorial conditions characterized by chronic pain and functional limitations in the jaw area, with psychological factors playing a significant role in symptom severity and patient out…
View article: Dental Care for Patients with Bleeding Disorders, Including Hemophilia
Dental Care for Patients with Bleeding Disorders, Including Hemophilia Open
Background: Bleeding disorders, such as hemophilia and von Willebrand disease, pose significant challenges in dental management due to the increased risk of excessive bleeding. Proper pre-treatment evaluation, hemostatic measures, and post…
View article: Role of Physiotherapy and Myofunctional Therapy in TMD Rehabilitation – Non-Invasive Approaches for Pain Relief and Functional Improvement
Role of Physiotherapy and Myofunctional Therapy in TMD Rehabilitation – Non-Invasive Approaches for Pain Relief and Functional Improvement Open
Background: Temporomandibular disorders (TMD) are a group of musculoskeletal conditions affecting the temporomandibular joint (TMJ) and associated muscles, leading to pain and functional limitations. Non-invasive therapies, such as physiot…
View article: Multi-Channel Cellytics for Rapid and Cost-Effective Monitoring of Leukocyte Activation
Multi-Channel Cellytics for Rapid and Cost-Effective Monitoring of Leukocyte Activation Open
Morphological changes in leukocytes are valuable markers for diseases and immune responses. In our earlier work, we presented Cellytics, a device that uses lens-free shadow imaging technology (LSIT) to monitor natural killer cell activity.…
View article: Influence of Bruxism and Parafunctional Habits on TMD – How Parafunctional Activities Contribute to Joint Dysfunction
Influence of Bruxism and Parafunctional Habits on TMD – How Parafunctional Activities Contribute to Joint Dysfunction Open
Background: Temporomandibular disorders (TMD) are multifactorial in etiology, with parafunctional habits such as bruxism significantly implicated in their development and exacerbation. Methods: This cross-sectional study was conducted at S…
View article: Multi-Channel Cellytics for Rapid and Cost-Effective Leukocyte Activation Monitoring
Multi-Channel Cellytics for Rapid and Cost-Effective Leukocyte Activation Monitoring Open
Morphological changes in white blood cells (WBCs) are valuable markers of disease and immune response. This study introduces a multi-channel Lens-free Shadow Imaging Technology (LSIT) device for rapid, cost-effective leukocyte analysis. De…
View article: Study of Management of Mucormycosis in COVID and Post-COVID Patients with Liposomal Amphotericin B its Outcome and Complications in a dedicated COVID Hospital from Eastern India
Study of Management of Mucormycosis in COVID and Post-COVID Patients with Liposomal Amphotericin B its Outcome and Complications in a dedicated COVID Hospital from Eastern India Open
Background: Mucormycosis, an invasive fungal infection caused by Mucorales, has emerged as a significant concern in COVID-19 patients, particularly in regions heavily affected by the pandemic. Liposomal Amphotericin B is the primary treatm…
View article: Stabilization of vapor-rich bubble in ethanol/water mixtures and enhanced flow around the bubble
Stabilization of vapor-rich bubble in ethanol/water mixtures and enhanced flow around the bubble Open
This study investigates the behavior of microbubbles generated by the local heating of an ethanol/water mixture and the surrounding flow. The mixture is photothermally heated by focusing a continuous-wave laser on a FeSi$_2$ thin film. Alt…
View article: Microbubble oscillation on localized heat source affected by dissolved gases in water
Microbubble oscillation on localized heat source affected by dissolved gases in water Open
Recently, we demonstrated that the local heating of degassed water can generate water vapor microbubbles and induce a rapid flow around the bubble. Although flow generation involves the self-excited oscillation of bubbles at a local heatin…
View article: Microbubble Oscillation on Localized Heat Source Affected by Dissolved Gases in Water
Microbubble Oscillation on Localized Heat Source Affected by Dissolved Gases in Water Open
Recently, we demonstrated that the local heating of degassed water can generate water vapor microbubbles and induce a rapid flow around the bubble. Although flow generation involves the self-excited oscillation of bubbles at a local heatin…
View article: Label-Free CD34+ Cell Identification Using Deep Learning and Lens-Free Shadow Imaging Technology
Label-Free CD34+ Cell Identification Using Deep Learning and Lens-Free Shadow Imaging Technology Open
Accurate and efficient classification and quantification of CD34+ cells are essential for the diagnosis and monitoring of leukemia. Current methods, such as flow cytometry, are complex, time-consuming, and require specialized expertise and…
View article: Colloidal Quantum Dot Nanolithography: Direct Patterning via Electron Beam Lithography
Colloidal Quantum Dot Nanolithography: Direct Patterning via Electron Beam Lithography Open
Micro/nano patterns based on quantum dots (QDs) are of great interest for applications ranging from electronics to photonics to sensing devices for biomedical purposes. Several patterning methods have been developed, but all lack the preci…
View article: Proof-of-Concept: Smartphone- and Cloud-Based Artificial Intelligence Quantitative Analysis System (SCAISY) for SARS-CoV-2-Specific IgG Antibody Lateral Flow Assays
Proof-of-Concept: Smartphone- and Cloud-Based Artificial Intelligence Quantitative Analysis System (SCAISY) for SARS-CoV-2-Specific IgG Antibody Lateral Flow Assays Open
Smartphone-based point-of-care testing (POCT) is rapidly emerging as an alternative to traditional screening and laboratory testing, particularly in resource-limited settings. In this proof-of-concept study, we present a smartphone- and cl…
View article: Smartphone- and Cloud-based Artificial Intelligence Quantitative Analysis System (SCAISY) for SARS-CoV-2-specific IgG Antibody Lateral Flow Assays
Smartphone- and Cloud-based Artificial Intelligence Quantitative Analysis System (SCAISY) for SARS-CoV-2-specific IgG Antibody Lateral Flow Assays Open
Smartphone-based point-of-care testing (POCT) is rapidly emerging as an alternative to traditional screening and laboratory testing, particularly in resource-limited settings. In this proof-of-concept study, we present a smartphone- and cl…
View article: Plasmonic Sensors: A New Frontier in Nanotechnology
Plasmonic Sensors: A New Frontier in Nanotechnology Open
Plasmonics is the study of surface plasmons formed by the interaction of incident light with electrons to form a surface-bound electromagnetic wave [...]
View article: Facile microfluidic synthesis of monodispersed size-controllable quantum dot (QD) microbeads using custom developed QD photoresist
Facile microfluidic synthesis of monodispersed size-controllable quantum dot (QD) microbeads using custom developed QD photoresist Open
Simple and effective strategy for producing quantum dot microbeads (QD-MBs) with controllable sizes, which can be crucial in diverse fields such as biosensing, drug delivery, and imaging.
View article: GLAD Based Advanced Nanostructures for Diversified Biosensing Applications: Recent Progress
GLAD Based Advanced Nanostructures for Diversified Biosensing Applications: Recent Progress Open
Glancing angle deposition (GLAD) is a technique for the fabrication of sculpted micro- and nanostructures under the conditions of oblique vapor flux incident and limited adatom diffusion. GLAD-based nanostructures are emerging platforms wi…
View article: Gold Micropetals Self‐Assembled by Shadow‐Sphere Lithography for Optofluidic Control (Adv. Mater. Interfaces 18/2022)
Gold Micropetals Self‐Assembled by Shadow‐Sphere Lithography for Optofluidic Control (Adv. Mater. Interfaces 18/2022) Open
Petal-Like Gold Microstructures Petal-like gold microstructures with optimum optical absorption distribution are successfully self-assembled via the shadow-sphere lithography technique as reported in article number 2200200 by Kyoko Namura,…
View article: A CMOS Image Sensor Based Refractometer without Spectrometry
A CMOS Image Sensor Based Refractometer without Spectrometry Open
The refractive index (RI), an important optical property of a material, is measured by commercial refractometers in the food, agricultural, chemical, and manufacturing industries. Most of these refractometers must be equipped with a prism …
View article: Field-Portable Leukocyte Classification Device Based on Lens-Free Shadow Imaging Technique
Field-Portable Leukocyte Classification Device Based on Lens-Free Shadow Imaging Technique Open
The complete blood count (CBC) is one of the most important clinical steps in clinical diagnosis. The instruments used for CBC are usually expensive and bulky and require well-trained operators. Therefore, it is difficult for medical insti…
View article: Quantum dot photolithography using a quantum dot photoresist composed of an organic–inorganic hybrid coating layer
Quantum dot photolithography using a quantum dot photoresist composed of an organic–inorganic hybrid coating layer Open
We reports a QD photolithography technique using a custom-developed QD photoresist made of an organic–inorganic hybrid coating layer.
View article: Studies on Composition and Optical Properties of β-FeSi<sub>2</sub> Thin Film Prepared by Co-sputtering
Studies on Composition and Optical Properties of β-FeSi<sub>2</sub> Thin Film Prepared by Co-sputtering Open
β-FeSi2 is expected to produce an efficient bandpass filter for its bulk is transparent and has a high refractive index (for wavelength>1.55 µm). However, it was found that β-FeSi2 thin film has a different extinction coefficient from the …
View article: Study on Transport of Molecules in Gel by Surface-Enhanced Raman Spectroscopy
Study on Transport of Molecules in Gel by Surface-Enhanced Raman Spectroscopy Open
Surface-enhanced Raman spectroscopy (SERS)-based biosensors have recently been extensively developed because of their high sensitivity and non-destructive nature. Conventional SERS substrates are unsuitable for detecting biomolecules direc…
View article: Study on Transport of Molecules in Gel by Surface-Enhanced Raman Spectroscopy
Study on Transport of Molecules in Gel by Surface-Enhanced Raman Spectroscopy Open
Surface-enhanced Raman spectroscopy (SERS)-based biosensors have recently been extensively developed because of their high sensitivity and non-destructive nature. Conventional SERS substrates are unsuitable for detecting biomolecules direc…
View article: Verb Sense Disambiguation by Measuring Semantic Relatedness between Verb and Surrounding Terms of Context
Verb Sense Disambiguation by Measuring Semantic Relatedness between Verb and Surrounding Terms of Context Open
Word sense disambiguation (WSD) is considered an AI complete problem which may be defined as the ability to resolve the intended meaning of ambiguous words occurring in a language. Language has complex structure and is highly ambiguous whi…