Debabrata Goswami
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View article: Correction: Differential optical trapping of nanoparticles with a single femtosecond laser beam
Correction: Differential optical trapping of nanoparticles with a single femtosecond laser beam Open
View article: Unveiling the Role of Molecular Structure in Microscopic Thermodynamics: Insights from Probing Trapped Nanoparticles with Femtosecond Optical Tweezers
Unveiling the Role of Molecular Structure in Microscopic Thermodynamics: Insights from Probing Trapped Nanoparticles with Femtosecond Optical Tweezers Open
Microscopic thermodynamic studies can elucidate specific molecular interactions. In this work, the microscopic thermodynamics in binary liquid mixtures is reported, which elucidate the role of molecular structure in nonlinear solvent respo…
View article: Compositional Analysis of Fragrance Accords Using Femtosecond Thermal Lens Spectroscopy
Compositional Analysis of Fragrance Accords Using Femtosecond Thermal Lens Spectroscopy Open
Femtosecond thermal lens spectroscopy (FTLS) is a powerful analytical tool, yet its application to complex, multi-component mixtures like fragrance accords remains limited. Here, we introduce and validate a unified metric, the Femtosecond …
View article: Coherent Control of Laser-Induced Periodic Surface Structures via Ultrafast Nanoengineering
Coherent Control of Laser-Induced Periodic Surface Structures via Ultrafast Nanoengineering Open
View article: Exploring Acid Hydration Dynamics with Thermal Lens Spectroscopy
Exploring Acid Hydration Dynamics with Thermal Lens Spectroscopy Open
View article: Laser Fundamentals
Laser Fundamentals Open
Applications of light–matter interaction have exploded in recent years due to the multitude of enhancements in laser technology. The development of nanoparticle research has also grown in leaps and bounds in recent decades, leading to a ma…
View article: Comparative Study of Femtosecond and Conventional Optical Tweezers
Comparative Study of Femtosecond and Conventional Optical Tweezers Open
We present a comparative study of continuous-wave (CW) and pulsed optical tweezers for trapping polystyrene beads with radii of 250 nm, 500 nm, and 1 µm, using five different laser power settings. A Ti:Sapphire (MIRA 900F) laser, capable o…
View article: Quantifying coherence with principal diagonal elements of density matrix
Quantifying coherence with principal diagonal elements of density matrix Open
Being the key resource in quantum physics, the proper quantification of coherence is of utmost importance. Amid complex-looking functionals in quantifying coherence, we set forth a simple and easy-to-evaluate approach: principal diagonal d…
View article: Comparing Femtosecond Optical Tweezers with Conventional CW Optical Tweezers
Comparing Femtosecond Optical Tweezers with Conventional CW Optical Tweezers Open
In this work, we present a comparative study between continuous-wave (CW) and pulsed optical tweezers for 250 nm, 500 nm and 1-micron radius polystyrene beads at 5 different laser powers. We have used a Ti:Sapphire (MIRA 900F) laser that c…
View article: Assessment of Stroke Severity And Mortality (ASSAM): A hospital-based study from north-east India
Assessment of Stroke Severity And Mortality (ASSAM): A hospital-based study from north-east India Open
Background: Stroke burden continues to grow; ischemic subtypes share the biggest pie. Assam is one of the states with the highest burden in-terms of mortality. Aim: In Assam, we studied factors operating at different timelines concerning s…
View article: Two novel pure-state coherence measures in quantifying coherence
Two novel pure-state coherence measures in quantifying coherence Open
In the resource theory of coherence, the quantification of quantum-state coherence is an important task. In this regard, the key ingredients are the various coherence monotones (or measures). There are few coherence-monotone classes that s…
View article: Unravelling Molecular Interactions in Various Alcohol-Water Binary Mixtures Using Femtosecond Laser-Induced Thermal Lens Spectroscopy
Unravelling Molecular Interactions in Various Alcohol-Water Binary Mixtures Using Femtosecond Laser-Induced Thermal Lens Spectroscopy Open
View article: Defining anthropometric thresholds (mid-arm circumference and calf circumference) in older adults residing in the community: a cross-sectional analysis using data from the population representative Longitudinal Aging Study in India (LASI DAD)
Defining anthropometric thresholds (mid-arm circumference and calf circumference) in older adults residing in the community: a cross-sectional analysis using data from the population representative Longitudinal Aging Study in India (LASI DAD) Open
Objectives To identify factors associated with malnutrition (undernutrition and overnutrition) and determine appropriate cut-off values for mid-arm circumference (MAC) and calf circumference (CC) among community-dwelling Indian older adult…
View article: The role of molecular structure on the microscopic thermodynamics: unveiling with Femtosecond Optical Tweezers
The role of molecular structure on the microscopic thermodynamics: unveiling with Femtosecond Optical Tweezers Open
Microscopic thermodynamic studies can elucidate specific molecular interactions. In this work, we report the microscopic thermodynamics in binary liquid mixtures, which elucidate the role of molecular structure in nonlinear solvent respons…
View article: Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)"
Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Peer Review #1 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)"
Peer Review #1 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Peer Review #2 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.2)"
Peer Review #2 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.2)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy
Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of alcohol-based hand sanitizers (ABHS). To sustain its effectiveness, the ABHS must contain the recommended concentrat…
View article: Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.2)"
Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.2)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Peer Review #2 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)"
Peer Review #2 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.1)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.3)"
Peer Review #3 of "Quality assessment of the commercially available alcohol-based hand sanitizers with femtosecond thermal lens spectroscopy (v0.3)" Open
Using femtosecond-pulse-induced thermal lens spectroscopy (FTLS), we report a novel method for the quality measurements of Alcohol-Based Hand Sanitizers (ABHS).To sustain its effectiveness, the ABHS must contain the recommended concentrati…
View article: Cancelled: Unified Software Design Patterns for Simulated Annealing
Cancelled: Unified Software Design Patterns for Simulated Annealing Open
Any optimization algorithm programming interface can be seen as a black-box function with additional free parameters. In this spirit, simulated annealing (SA) can be implemented in pseudo-code within the dimensions of a single slide with f…
View article: Unified Software Design Patterns for Simulated Annealing
Unified Software Design Patterns for Simulated Annealing Open
Any optimization algorithm programming interface can be seen as a black-box function with additional free parameters. In this spirit, simulated annealing (SA) can be implemented in pseudo-code within the dimensions of a single slide with f…
View article: Quantifying coherence with principal diagonal elements of density matrix
Quantifying coherence with principal diagonal elements of density matrix Open
Being the key resource in quantum physics, the proper quantification of coherence is of utmost importance. Amid complex-looking functionals in quantifying coherence, we set forth a simple and easy-to-evaluate approach: Principal diagonal d…
View article: Deep phenotyping and genomic data from a nationally representative study on dementia in India
Deep phenotyping and genomic data from a nationally representative study on dementia in India Open
View article: Prevalence of dementia in India: National and state estimates from a nationwide study
Prevalence of dementia in India: National and state estimates from a nationwide study Open
Introduction Prior estimates of dementia prevalence in India were based on samples from selected communities, inadequately representing the national and state populations. Methods From the Longitudinal Aging Study in India (LASI) we recrui…
View article: Intense femtosecond optical pulse shaping approaches to spatiotemporal control
Intense femtosecond optical pulse shaping approaches to spatiotemporal control Open
For studying any event, measurement can never be enough; “control” is required. This means mere passive tracking of the event is insufficient and being able to manipulate it is necessary. To maximize this capability to exert control and ma…
View article: Association Between Cognitive Performance and Nutritional Status: Analysis From LASI-DAD
Association Between Cognitive Performance and Nutritional Status: Analysis From LASI-DAD Open
Malnutrition in low- and middle-income countries causes cognitive decline and other health problems. Harmonized Diagnostic Assessment of Dementia for Longitudinal Aging Study in India (LASI DAD) is an extensive study on late-life cognition…
View article: Investigating the Third-Order Nonlinear Optical Properties of a Schiff Base (Dbap) and its Co/Cu Metal Complex Using Z-Scan and Dft Methodology
Investigating the Third-Order Nonlinear Optical Properties of a Schiff Base (Dbap) and its Co/Cu Metal Complex Using Z-Scan and Dft Methodology Open
View article: Demonstration of solute-specific synergism in binary solvents
Demonstration of solute-specific synergism in binary solvents Open
The structure and solvation behaviour of binary liquid mixtures of Methanol (MeOH) and N, N-Dimethylformamide (DMF) are explored by ascertaining their intermolecular interactions with either Rhodamine-B (RhB) or Rhodamine101 (Rh101) dye th…