11 article(s) from Bhushan, Bharat
- Full Research Paper
- Published 15 Apr 2019
-
PDF -
Album-
![]()
Figure 1: SEM images of TiO2–PFOS and Al2O3–PFOS composite surfaces.
-
![]()
Figure 2: FTIR spectra of TiO2 and TiO2–PFOS, Al2O3 and Al2O3–PFOS.
-
![]()
Figure 3: (a) Contact angle and FTIR spectrum of the TiO2–PFOS surface under different treatment conditions. ...
-
![]()
Figure 4: (a) Contact angle and FTIR spectrum of the Al2O3–PFOS surface under different treatment conditions....
-
![]()
Figure 5: The possible mechanism describing the transition of TiO2 and PFOS under UV illumination and heating....
-
![]()
Figure 6: Reversible superhydrophobic/superhydrophilic switching of the composite surface under UV illuminati...
-
- Review
- Published 19 Mar 2018
-
PDF -
Album-
![]()
Figure 1: Photographs of a hand injury healing over time. The pictures show the immediate need for a healing ...
-
![]()
Figure 2: Healing and defense mechanisms shared by vertebrates and invertebrates including (A) muscle extensi...
-
![]()
Figure 3: Healing in vertebrate hard tissue showing the stages of bone tissue repair. Healing stages include ...
-
![]()
Figure 4: Types of healing in vertebrate soft tissue is shown, including (A) wounds, (B) stem cell differenti...
-
![]()
Figure 5: Healing response in the hard tissue (exoskeleton) of invertebrates to (A) wounds and (B) shedding. ...
-
![]()
Figure 6: Healing response to invertebrate soft tissue wounds. Invertebrates rely on quickly clotting wounds ...
-
![]()
Figure 7: Healing and defense mechanisms in all plants (herbaceous and woody), including (A) protective cell ...
-
![]()
Figure 8: Healing and defense in woody plants, including (A) protective bark and (B) compartmentalization of ...
-
![]()
Figure 9: Examples of prevalent self-healing mechanisms found in fauna showing reversible muscle control in c...
-
![]()
Figure 10: Examples of prevalent self-healing mechanisms found in plants showing vascular networks and cells o...
-
![]()
Figure 11: Types of bioinspired healing materials including (A) protective coatings, (B) autogenous healing, (...
-
![]()
Figure 12: Translation of healing in nature into self-cleaning and self-healing materials. Mechanisms in natur...
-
![]()
Figure 13: Chart relating self-healing and defense mechanisms found in living nature with prevalent self-heali...
-
- Full Research Paper
- Published 06 Mar 2018
-
PDF -
Album-
![]()
Figure 1: The moment of unfolding of H. axyridis hindwings.
-
![]()
Figure 2: The DS of the hindwing of H. axyridis in an unfolded state (a) and a folded state (b). (c) shows th...
-
![]()
Figure 3: (a) A SEM photograph of the ventral side of H. axyridis elytra; (b, g) the second-level microtrichi...
-
![]()
Figure 4: (a) SEM photograph of the abdominal terga of H. axyridis; (b, c, d) the pattern of microtrichial ar...
-
![]()
Figure 5: The contact angles for CAI, CAII, and CAIII for H. axyridis hindwings.
-
![]()
Figure 6: The hindwing folding and unfolding processes of H. axyridis. (a–g) Dynamic views of folding acquire...
-
![]()
Figure 7: The interlocking model of hindwings of the H. axyridis. (a–d) show the interlocking model of a H. a...
-
- Full Research Paper
- Published 23 Jun 2016
-
PDF -
Album-
![]()
Figure 1: (A) and (B) C. japonicus, excised hind wings in folded state (C) and unfolded state (D), where C is...
-
![]()
Figure 2: The unfolding process of the hind wings of C. japonicus captured by a high-speed camera.
-
![]()
Figure 3: The cross sections of (A) the wing base (C-S1), (B) the posterior part of the wing (C-S2) and (C) t...
-
![]()
Figure 4: Fluorescence flow sequence in an unfolding hind wing of C. japonicus, captured using a retinal came...
-
![]()
Figure 5: The change in blood pressure in the veins of the hind wings as a function of time.
-
![]()
Figure 6: The blood pressure is proportional to the length of the wings and the body mass.
-
![]()
Figure 7: The simulation results of static pressure in a vein of a hind wing.
-
![]()
Figure 8: Blood flow changes in the venation of a hind wing of C. japonicus at the entrance (A); pressure cha...
-
- Full Research Paper
- Published 24 Nov 2015
-
PDF -
Album-
![]()
Figure 1: Schematic of the electroviscous effect in a microchannel formed by two infinitely large parallel pl...
-
![]()
Figure 2: The dimensionless electrical potential as a function of dimensionless wall-normal coordinate in the...
-
![]()
Figure 3: The dimensionless net ionic concentration as a function of dimensionless wall-normal coordinate in ...
-
![]()
Figure 4: The effect of zeta potential on the average electrical conductivity in the non-overlapping EDL.
-
![]()
Figure 5: The dimensionless velocity field in the microchannel with different conditions of surface charge an...
-
![]()
Figure 6: The effect of EDL with high zeta potential on the flow rate of the pressure-driven flow in the micr...
-
![]()
Figure 7: The effect of EDL with high zeta potential on the flow rate of the pressure-driven flow in the micr...
-
![]()
Figure 8: The effect of zeta potential on the electrical field strength of the pressure-driven fluid flow in ...
-
- Review
- Published 15 Jul 2014
-
PDF -
Album-
![]()
Figure 1: (a) Flow chart showing some applications of oxygenated nanobubbles. Reproduced with permission from ...
-
![]()
Figure 2: Schematic of the model of a channel formed by two infinitely parallel surfaces separated with a dis...
-
![]()
Figure 3: Schematic showing advancing and receding contact angle. Contact angle hysteresis is equal to the di...
-
![]()
Figure 4: Schematic of the experimental setup used for the measurement of the CA as a function of applied vol...
-
![]()
Figure 5: DC voltage dependence of the shape and CA of the droplet. The voltage was varied from 0 to 30 V, an...
-
![]()
Figure 6: (a) The CA of the droplet and its cosine value as functions of applied DC voltage. Equation 5 was used to fit...
-
![]()
Figure 7: Schematic of the balance of forces at the contact line between surface and water with applied volta...
-
![]()
Figure 8: Frequency dependence of the shape and CA of the droplet. The peak-to-peak value of the AC voltage i...
-
![]()
Figure 9: The CA and CAHs of the droplet as function of the frequency of an AC voltage with a peak-to-peak va...
-
![]()
Figure 10: Schematic of the balance of forces of a nanobubble at the contact line between surface and water wi...
-
![]()
Figure 11: Schematic of the experimental setup used for imaging nanobubbles with applied voltage.
-
![]()
Figure 12: Nanobubbles in DI water, saline, saline 1 and saline 2 on PS surface imaged by using AFM. (a) Heigh...
-
![]()
Figure 13: Height images and corresponding histograms of the size distribution of nanobubbles on PS surface wi...
-
![]()
Figure 14: Height images and corresponding histograms of the size distribution of nanobubbles on PS surface wi...
-
![]()
Figure 15: Height images and corresponding histograms of the size distribution of nanobubbles on PS surface wi...
-
![]()
Figure 16: Geometrical distribution of nanobubbles as a function of applied voltage on PS surface in DI water ...
-
![]()
Figure 17: Electrostatic forces on initial PS surface and pretreated PS surface in DI water.
-
![]()
Figure 18: Height images and corresponding histograms of the size distribution of nanobubbles on the initial P...
-
![]()
Figure 19: AFM Images, surface roughness and contact angle data of OTS surface in air. Reproduced with permiss...
-
![]()
Figure 20: Process of making clean colloidal probe (described in the text).
-
![]()
Figure 21: The effect of EDL on the volumetric flow rate. Q0 is the flow rate without considering the slippage...
-
![]()
Figure 22: (a) Electrostatic force in DI water with different negative voltages, −5 V and −10 V, applied to th...
-
![]()
Figure 23: Schematic of the explanation for the results of electrostatic force measurement with positive volta...
-
![]()
Figure 24: (a) Hydrodynamic force with high driving velocity (77 μm/s) on a silicon surface and an OTS surface...
-
![]()
Figure 25: V/Fhydro of the sphere with high driving velocity (77 μm/s) on a silicon surface and an OTS surface...
-
![]()
Figure 26: Measured slip lengths with different positive voltages applied to the substrate. Reproduced with pe...
-
![]()
Figure 27: Electrostatic force in DI water and in saline with different positive voltages applied to the subst...
-
![]()
Figure 28: V/Fhydro plot of the sphere with high driving velocity (77 μm/s) on a silicon surface, an OTS surfa...
-
![]()
Figure 29: Summary of the experimental results for the influence of applied voltages on the surface wetting, n...
-
![]()
Figure 30: Schematic of the relationship between surface charge, boundary slip, nanobubbles and the drag of li...
-
- Full Research Paper
- Published 11 Jun 2014
-
PDF -
Album-
![]()
Figure 1: Flowchart illustrating dislocation sources, in a grain, from the grain boundary and the grain inter...
-
![]()
Figure 2: Illustration of the strain gradient plasticity theory in which high strain gradients occur at shall...
-
![]()
Figure 3: Illustration of (a) Hall–Petch effect by the dislocation pile-up mechanism, where dislocations pile...
-
![]()
Figure 4: SEM image of spherical Au nanoparticles approximately 500 nm in diameter which are referred to as A...
-
![]()
Figure 5: TEM images showing (a) Au film (100 nm) (left) with a magnified view of the section highlighted by ...
-
![]()
Figure 6: (a) Schematic showing method of deformation by using a Berkovich tip for nanoindentation (local def...
-
![]()
Figure 7: (a) Mechanical properties of thin films with hardness and Young’s modulus as a function of contact ...
-
![]()
Figure 8: (a) Typical load displacement indentation curve at a maximum load of 80 µN with vertical arrows sho...
-
![]()
Figure 9: Load displacement curves for intermediate loads 500 µN and high loads 1000 µN for Au 500 with the v...
-
![]()
Figure 10: (a) Typical load displacement compression curve at a maximum load of 80 µN for Au 500 with vertical...
-
![]()
Figure 11: Load–displacement curves for intermediate loads 1000 µN and high loads 1500 µN with topography maps...
-
![]()
Figure 12: Examples of repeat load–displacement curves for Au 500 nanoparticles with the corresponding maximum...
-
- Full Research Paper
- Published 13 May 2014
-
PDF -
Album-
![]()
Figure 1: SEM image of the aortic valve of the mouse.
-
![]()
Figure 2: SEM images of the microstructure on the aortic valve cusps surface: (a) the cobblestone structure; ...
-
![]()
Figure 3: The direction of aligned cobblestones in the direction of blood flow.
-
![]()
Figure 4: The mitral valve of the mouse.
-
![]()
Figure 5: SEM images of the microstructure on the mitral valve leaflets surface: (a) non-heparinized; (b) hep...
-
![]()
Figure 6: The direction of aligned “cobblestones” on the mitral valve leaflet’s surface.
-
![]()
Figure 7: (a) SEM image of the tricuspid valve leaflets of the rabbit; (b) SEM image of the microstructure on...
-
![]()
Figure 8: Sketch of the mastoid array microstructure: a is the basal diameter of a single mastoid, b is the s...
-
![]()
Figure 9: A droplet in Cassie state on the mastoid microstructure surface.
-
- Full Research Paper
- Published 15 Nov 2012
-
PDF -
Album-
![]()
Figure 1: (a) Schematic of drug-carrying nanoparticles targeting cancer cells and releasing their therapeutic...
-
![]()
Figure 2: Schematics of (a) a sharp tip pushing a particle in single-particle contact and (b) a glass sphere ...
-
![]()
Figure 3: TEM images of spherical Au nanoparticles approximately (a) 30 nm in diameter and (b) 90 nm in diame...
-
![]()
Figure 4: Topography map of Au 30 and Au 90 with corresponding histograms depicting the nanoparticle size dis...
-
![]()
Figure 5: Two examples of topography maps and height profiles, at sections shown by the arrows, of Au 30 and ...
-
![]()
Figure 6: (a) Topography maps and 2-D friction force profiles of Au (30 nm in diameter) and Au (90 nm in diam...
-
![]()
Figure 7: Topography map of Au (90 nm in diameter) nanoparticle submerged in water. Imaging is performed by u...
-
![]()
Figure 8: Friction force for Au 30 and Au 90 nanoparticles on the silicon substrate during manipulation, at n...
-
![]()
Figure 9: (a) Friction force as a function of normal load and (b) coefficients of friction for both dry and i...
-
![]()
Figure 10: Topography maps and 2-D profiles, at sections shown by the arrows, after sliding for 1, 10 and 100 ...
-
![]()
Figure 11: (a) Optical micrographs of the wear scars taken after 500 cycles. (b) SEM micrograph of the wear sc...
-
- Full Research Paper
- Published 08 Nov 2012
-
PDF -
Album-
![]()
Figure 1: Histology of pig skin (photography reprinted from [7]) and rat skin (photography reprinted from [6]), and...
-
![]()
Figure 2: (a) Load–displacement curves and (b) nanohardness and elastic modulus data for rat and pig skin.
-
![]()
Figure 3: AFM topography maps and roughness profiles taken at arrows indicated for virgin rat skin, damaged s...
-
![]()
Figure 4: (a) RMS roughness, (b) contact angle and (c) coefficient of friction on nanoscale and schematic car...
-
![]()
Figure 5: Friction force as a function of normal load curves for virgin rat and pig skin.
-
![]()
Figure 6: Effect of (a) velocity, (b) normal load, and schematic cartoons of tip–skin interaction, and (c) ef...
-
![]()
Figure 7: Effect of the number of cycles on the coefficient of friction on the nanoscale for virgin rat skin,...
-
![]()
Figure 8: Coefficient of friction and schematic cartoons of the tip–skin interaction on macroscale for virgin...
-
![]()
Figure 9: Effect of (a) velocity, (b) normal load, and (c) number of cycles on the coefficient of friction on...
-
![]()
Figure 10: AFM topography maps and roughness profiles taken at arrows indicated for virgin pig skin, damaged s...
-
![]()
Figure 11: (a) RMS roughness, (b) contact angle, and (c) coefficient of friction on the nanoscale of virgin pi...
-
![]()
Figure 12: Effect of (a) velocity, (b) normal load and (c) relative humidity on the coefficient of friction on...
-
![]()
Figure 13: Effect of the number of cycles on the coefficient of friction on the nanoscale for virgin pig skin,...
-
![]()
Figure 14: Coefficient of friction on macroscale for virgin pig skin, damaged skin, treated virgin skin and tr...
-
![]()
Figure 15: Effect of (a) velocity, (b) normal load and (c) number of cycles on the coefficient of friction on ...
-
- Review
- Published 01 Feb 2011
-
PDF -
Album-
![]()
Figure 1: Two examples from nature: (a) Lotus effect [12], and (b) scale structure of shark reducing drag [21].
-
![]()
Figure 2: Schematic of velocity profiles of fluid flow without and with boundary slip. The definition of slip...
-
![]()
Figure 3: Schematic of the experimental flow channel connected with a differential manometer. The thickness, ...
-
![]()
Figure 4: (a) SEM micrographs taken at top view, 45° tilt angle side view and 45° tilt angle top view, show s...
-
![]()
Figure 5: SEM micrographs taken at 45º tilt angle (shown using three magnifications) of nanostructure on flat...
-
![]()
Figure 6: Pressure drop as a function of flow rate in the channel with various surfaces using water flow. The...
-
![]()
Figure 7: Bar chart showing the slip length in the channel with various surfaces using water flow in laminar ...
-
![]()
Figure 8: Pressure drop as a function of flow rate in the channel with flat acrylic resin and rib-patterned s...
-
![]()
Figure 9: Pressure drop as a function of flow rate in the channel with various surfaces using air flow. The f...
-
![]()
Figure 10: Pressure drop as a function of flow rate in the channel with flat acrylic resin and rib-patterned s...
-
![]()
Figure 11: Schematics of a droplet of liquid showing philic/phobic nature in three different phase interface o...
-
![]()
Figure 12: Schematics of a solid–water–oil interface system. A specimen is first immersed in water phase, then...
-
![]()
Figure 13: SEM micrographs taken at a 45° tilt angle showing two magnifications of (a) the micropatterned surf...
-
![]()
Figure 14: Optical micrographs of droplets in three different phase interfaces on flat epoxy resin and micropa...
-
![]()
Figure 15: Static contact angle as a function of geometric parameters for water droplet (circle) and oil dropl...
-
![]()
Figure 16: Static contact angle as a function of geometric parameters for water droplet (circle) and oil dropl...
-
![]()
Figure 17: Optical micrographs of droplets in three different phase interfaces on nanostructure and hierarchic...
-
![]()
Figure 18: Optical micrographs of droplets in three different phase interfaces on shark skin replica without a...
-
