Mueller matrix polarimetry along with polar decomposition algorithm was employed for the characterization of ex vivo normal and adenocarcinoma human colon tissues by polarized light in visible spectral range (425–725 nm). Six derived polarization metrics [total diattenuation (DT), retardance (RT), depolarization (ΔT), linear (DL), (δ), (ΔL)] were compared tissue samples. The results show that all six polarimetric properties samples significantly higher as to wavelengths. Wilcoxon rank sum...

Abstract The present flow problem investigates the incompressible and squeezed between two parallel plates. mathematical formulation includes constitutive equations of Casson nanofluid, which is treated as a lubricant. Brownian movement, slip condition, thermophoretic mechanisms are also considered. formulated model tackled by Runge‐Kutta‐Fehlberg fourth‐ fifth‐order numerical scheme joint with shooting criteria. Momentum, thermal, mass species behavior executed plots distinct physical...

Thermal mechanism of non-Newtonian nanofluid coated by lubricated power law material has been theoretically worked out. The slip interaction constraints proposed for inspecting the thermal transport. modelling heat transfer is processed via updated Cattaneo-Christov (CC) expressions. rheological nonlinear model are observed Walter B fluid. flow phenomenon governed stagnation point flow. differential system associated to similarity variables. solution technique based on new developed hybrid...

In recent times, the interaction of nanoparticles has significantly enhanced thermal association heat transport. This phenomenon plays a crucial role in hydraulic systems, particularly context lubrication and its associated consequences on mass Current studies have focused investigating effects third-order nanofluid lubricated stretched surface near an analytical stagnation point. The process involves use thin, adjustable coating lubricant fluid. To analyze this complex system, we employ...

ABSTRACT Ex vivo characterization of sarcoma and carcinoma tissue samples was evaluated using microscopy, optical polarimetry, Fourier transform infrared (FTIR) spectroscopy, support vector machines (SVM). Recent evidence suggests that it is crucial to explore new diagnostic methods for detecting the smallest features cancer. In this paper, we discuss FTIR, which characterizes chemical composition tissues at different wavenumbers. The FTIR spectra exhibited significant differences in (OH,...

We here investigate polarimetric behavior of thick samples porcine liver, Intralipid, and microsphere-based tissue phantoms whose absorption scattering properties are matched.Using polarized light we measured reflection mode Mueller matrices derived linear/circular/total depolarization rates, based on polar decomposition.According to our results, exhibit greater rates in the backscattering geometry than liver sample.The enhanced polarization preservation differs from previous reports...

The current study employs the Cattaneo–Christov diffusion law to analyze thermal tendency of Maxwell nanomaterials flowing over an unsteady stretching sheet. Thermophoretic and Brownian aspects nanosolids are incorporated investigate nanoparticle's concentration distribution. Through flow similarities, governing PDEs (Partial Differential Equations) articulated into a set nonlinear ODEs (Ordinary Equations). homotopy analysis approach, recognized semi-analytical technique, is implemented...

This article addresses the two-dimensional boundary layer flow of third order fluid in region a stagnation point over surface lubricated with power law fluid. The lubricant is assumed to have thin variable thickness surface. experiences partial slip due this lubrication layer. Mathematical model problem represented through system nonlinear differential equations conditions. non-similar numerical and analytic solutions transformed ordinary equation are obtained using hybrid homotopy analysis...

In this article, axisymmetric stagnation-point flow of a third-grade fluid over disk lubricated with power law is considered. Due to thin lubrication layer variable thickness, experiences partial slip on the surface. The problem governed through system nonlinear differential equations boundary conditions. A nonsimilar solution presented in article by implementing hybrid homotopy analysis method. This method combines features and shooting methods. results varying from no-slip full-slip case...

Abstract A numerical study is performed to discuss the heat and mass transfer on oblique stagnation point flow over a lubricated surface with nonlinear thermal radiation higher‐order chemical reactions. The problem formulated using basic conservation laws of mass, momentum, energy, concentration in terms partial differential equations along boundary conditions. These governing are transformed into ordinary by means similarity transformations. system resulting solved numerically an implicit...

Unsteady three-dimensional flow of an incompressible Oldroyd-B nanomaterial is reported in this article. The origin time-dependent surface spreading lateral directions transversely taking nanoparticles with zero mass flux. formulated partial differential system reframed by similarity variables into ordinary system. obtained solved the process homotopy analysis for dimensional temperature and concentration nanoparticles. Physical parameter behavior on concentrations examined using graph...

Vibrational analysis in microtubules is examined based on the nonlocal theory of elasticity. The complete analytical formulas for wave velocity are obtained and results reveal that small scale effects can reduce frequency, especially large longitudinal wave-vector circumferential number. It seen more significant smaller length. methods may also support design application nano devices such as micro sound generator etc. parameters increase vibrational frequencies protein cannot be overlooked...

In this article unsteady three dimensional MHD boundary layer flow and heat transfer analysis with constant temperature (CT) flux (CH) in a porous medium is considered. The governed by bidirectional stretching sheet. Similarity transformations are used to transform the governing non-linear partial differential equations ordinary equations. Analytical solutions constructed using homotopy method (HAM). Convergence also presented through tabular data. quantities of interest velocity,...

Novel nanomaterial applications claim distinct uses in thermal engineering, cooling processes, heat transfer devices, and automobile industries, among others. Motivated research modified mass flux theories to present observations for the unsteady flow of magnetized Maxwell nanofluid, confined by porous bidirectionally stretched surfaces. The model’s extension is based on Joule heating source effects. Cattaneo–Christov govern expansion transfer. We analyze problems under zero-mass diffusion...

The liver performs various functions, such as the production and detoxification of chemicals; therefore, it is susceptible to hepatotoxins carbon tetrachloride (CCl 4 ), which causes chronic injury. Thus, assessment injury its status severity are prime importance. Current work reports an ex vivo study for probing severance hepatic induced by CCl with polarized light over spectral range 400–800 nm. Different concentrations were used induce varying in a rat model. Linear retardance,...