Log in

Relevant bibliographies by topics / Tactoid / Journal articles

To see the other types of publications on this topic, follow the link: Tactoid.

Journal articles on the topic 'Tactoid'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Tactoid.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Segad, M., B. Cabane, and Bo Jönsson. "Reactivity, swelling and aggregation of mixed-size silicate nanoplatelets." Nanoscale 7, no. 39 (2015): 16290–97. http://dx.doi.org/10.1039/c5nr04615g.

Full text

Abstract:

The aggregation phenomenon in clay-water systems is a reversible process. The origin of extra-lamellar swelling in Ca montmorillonite dispersion has been revealed. The number of platelets per aggregate/tactoid increases with platelet size, and with very small nanoplatelets no tactoids are observed.

APA, Harvard, Vancouver, ISO, and other styles

2

Segad, M. "Microstructure determination of IQ-WB clays: a direct procedure by small-angle X-ray scattering." Journal of Applied Crystallography 46, no. 5 (2013): 1316–22. http://dx.doi.org/10.1107/s0021889813020931.

Full text

Abstract:

An accurate characterization of the microstructure of raw and pure homoionic clays from Wadi Bashira in Iraq (IQ-WB) has been carried out experimentally, using small-angle X-ray scattering (SAXS) and dynamic light scattering. The structures of lamellar IQ-WB dispersions were identified by these techniques and by complementary free swelling and dialysis experiments. SAXS measurements were used to resolve the characteristic distance,hs, between individual platelets in Na IQ-WB and between platelets inside tactoids formed in Ca clays. The tactoids in raw and Ca IQ-WB have well formed lamellar str

APA, Harvard, Vancouver, ISO, and other styles

3

Whalley, W. R., and C. E. Mullins. "Effect of saturating cation on tactoid size distribution in bentonite suspensions." Clay Minerals 26, no. 1 (1991): 11–17. http://dx.doi.org/10.1180/claymin.1991.026.1.02.

Full text

Abstract:

AbstractCentrifugal photosedimentation was used to determine the size distribution of dilute bentonite suspensions as a function of saturating cation. This method is shown to give a better estimate of the effect of saturating cation on tactoid size than the techniques that are currently used. The results indicate that tactoids may occur in preferred size ranges.

APA, Harvard, Vancouver, ISO, and other styles

4

Segad, M., Bo Jönsson, and B. Cabane. "Tactoid Formation in Montmorillonite." Journal of Physical Chemistry C 116, no. 48 (2012): 25425–33. http://dx.doi.org/10.1021/jp3094929.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

Wang, Pei-Xi, and Mark J. MacLachlan. "Liquid crystalline tactoids: ordered structure, defective coalescence and evolution in confined geometries." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 376, no. 2112 (2017): 20170042. http://dx.doi.org/10.1098/rsta.2017.0042.

Full text

Abstract:

Tactoids are liquid crystalline microdroplets that spontaneously nucleate from isotropic dispersions, and transform into macroscopic anisotropic phases. These intermediate structures have been found in a range of molecular, polymeric and colloidal liquid crystals. Typically only studied by polarized optical microscopy, these ordered but easily deformable microdroplets are now emerging as interesting components for structural investigations and developing new materials. In this review, we highlight the structure, property and transformation of tactoids in different compositions, but especially

APA, Harvard, Vancouver, ISO, and other styles

6

Vanga, Amaresh, Sandeep Magoon, Jolanta Kowalewska, and Saad Mussarat. "Fibrilo-Tactoid Glomerulonephritis: A Possible Novel Morphological Variant." Case Reports in Nephrology and Dialysis 10, no. 3 (2020): 154–62. http://dx.doi.org/10.1159/000510871.

Full text

Abstract:

Fibrillary and immunotactoid glomerulonephritis are infrequent causes of primary nephrotic range proteinuria and are poorly understood. Recent significant developments include the discovery of DNA JB9 antigen in fibrillary glomerulonephritis. Here, we present a case of a middle-aged woman who presented with nephrotic range proteinuria, hematuria, and normal renal function. Renal biopsy revealed fibrils that were randomly arranged on electron microscopy. They were of small size and congo red negative similar to the ones found in fibrillary glomerulonephritis, but were also DNA JB 9 negative, an

APA, Harvard, Vancouver, ISO, and other styles

7

Lan, Tie, Padmananda D. Kaviratna, and Thomas J. Pinnavaia. "Mechanism of Clay Tactoid Exfoliation in Epoxy-Clay Nanocomposites." Chemistry of Materials 7, no. 11 (1995): 2144–50. http://dx.doi.org/10.1021/cm00059a023.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Zhang, Chiqun, Amit Acharya, Noel J. Walkington, and Oleg D. Lavrentovich. "Computational modelling of tactoid dynamics in chromonic liquid crystals." Liquid Crystals 45, no. 7 (2017): 1084–100. http://dx.doi.org/10.1080/02678292.2017.1410240.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Yagi, N. "An X-ray diffraction study ofα-tropomyosin magnesium tactoid". Journal of Muscle Research and Cell Motility 9, № 5 (1988): 393–402. http://dx.doi.org/10.1007/bf01774066.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Scheff, Danielle R., Kimberly L. Weirich, Kinjal Dasbiswas, Avinash Patel, Suriyanarayanan Vaikuntanathan, and Margaret L. Gardel. "Tuning shape and internal structure of protein droplets via biopolymer filaments." Soft Matter 16, no. 24 (2020): 5659–68. http://dx.doi.org/10.1039/c9sm02462j.

Full text

Abstract:

Filamentous dopants impart liquid crystalline structure on otherwise isotropic droplets of phase separated protein. These droplets have tunable shape that transitions from tactoid to sphere with increasing size or shortening filament length.

APA, Harvard, Vancouver, ISO, and other styles

11

de Beça, Francisco Ferro, Joanne Lopes, Fernanda Maçoas, Fátima Carneiro, and José Manuel Lopes. "Tactoid body features in a Schwann cell hamartoma of colonic mucosa." International Journal of Surgical Pathology 22, no. 5 (2013): 438–41. http://dx.doi.org/10.1177/1066896913501384.

Full text

APA, Harvard, Vancouver, ISO, and other styles

12

Tournassat, Christophe, Mohamed Bizi, Gilles Braibant, and Catherine Crouzet. "Influence of montmorillonite tactoid size on Na–Ca cation exchange reactions." Journal of Colloid and Interface Science 364, no. 2 (2011): 443–54. http://dx.doi.org/10.1016/j.jcis.2011.07.039.

Full text

APA, Harvard, Vancouver, ISO, and other styles

13

Segad, M., T. Åkesson, B. Cabane, and Bo Jönsson. "Nature of flocculation and tactoid formation in montmorillonite: the role of pH." Physical Chemistry Chemical Physics 17, no. 44 (2015): 29608–15. http://dx.doi.org/10.1039/c5cp04007h.

Full text

Abstract:

Montmorillonite platelets dissolve slowly at low pH and among other species trivalent Al<sup>3+</sup> ions are released, hydrated and polymerized. The dissolution process dramatically changes the microstructure of Na montmorillonite, which instead of having fully exfoliated platelets, turns into a structure of aggregated platelets, so-called tactoids.

APA, Harvard, Vancouver, ISO, and other styles

14

Faisal, H. M. Nasrullah, Kalpana S. Katti, and Dinesh R. Katti. "Molecular mechanics of the swelling clay tactoid under compression, tension and shear." Applied Clay Science 200 (January 2021): 105908. http://dx.doi.org/10.1016/j.clay.2020.105908.

Full text

APA, Harvard, Vancouver, ISO, and other styles

15

Shinde, Abhijeet, Xuezhen Wang, Yi-Hsien Yu, and Zhengdong Cheng. "Aspect Ratio Dependence of Isotropic-Nematic Phase Separation of Nanoplates in Gravity." Gravitational and Space Research 4, no. 1 (2020): 17–26. http://dx.doi.org/10.2478/gsr-2016-0002.

Full text

Abstract:

AbstractWe studied isotropic-nematic (I-N) phase separation via gravity sedimentation in suspensions of plate-like colloidal particles of identical thickness but different lateral sizes (diameters). It is well-known that I-N phase transition occurs at a higher concentration for particles with larger aspect ratio (thickness/diameter) than for particles with smaller aspect ratio. Here we report that for the larger aspect ratios of nanoplates, gravity-driven I-N phase separation is faster. In a homogenously mixed I-N biphasic suspension of nanoplates, nematic tactoids nucleate, grow, and then und

APA, Harvard, Vancouver, ISO, and other styles

16

Tran, Andy, Wadood Y. Hamad, and Mark J. MacLachlan. "Tactoid Annealing Improves Order in Self-Assembled Cellulose Nanocrystal Films with Chiral Nematic Structures." Langmuir 34, no. 2 (2017): 646–52. http://dx.doi.org/10.1021/acs.langmuir.7b03920.

Full text

APA, Harvard, Vancouver, ISO, and other styles

17

Marega, Carla, Valerio Causin, Antonio Marigo, and Giuseppe Ferrara. "Reduction in tactoid size as a means for reinforcing high-density polyethylene/montmorillonite nanocomposites." Journal of Applied Polymer Science 113, no. 6 (2009): 3920–28. http://dx.doi.org/10.1002/app.30411.

Full text

APA, Harvard, Vancouver, ISO, and other styles

18

Aoudjit, H., M. Robert, F. Elsass, and P. Curmi. "Detailed study of smectite genesis in granitic saprolites by analytical electron microsopy." Clay Minerals 30, no. 2 (1995): 135–47. http://dx.doi.org/10.1180/claymin.1995.030.2.05.

Full text

Abstract:

Abstract: Smectite genesis in two granitic saprolites was studied, using qualitative and quantitative mineralogical methods and high resolution transmission electron microscopy (HRTEM). The primary minerals (plagioclase and mica) give rise to the formation of different kinds of smectites according to the weathering conditions (pH and drainage). Under a relatively basic, drained environment, a neoformed montmorillonite with a spheroidal organization exists in fillings of plagioclase cores. In the same conditions biotites are transformed into beidellites with a quasi-crystal organization. Under

APA, Harvard, Vancouver, ISO, and other styles

19

Thuresson, Axel, Magnus Ullner, Torbjörn, Åkesson, Christophe Labbez, and Bo Jönsson. "Monte Carlo Simulations of Parallel Charged Platelets as an Approach to Tactoid Formation in Clay." Langmuir 29, no. 29 (2013): 9216–23. http://dx.doi.org/10.1021/la401272u.

Full text

APA, Harvard, Vancouver, ISO, and other styles

20

Yi, Youngwoo, and Noel A. Clark. "Orientation of chromonic liquid crystals by topographic linear channels: multi-stable alignment and tactoid structure." Liquid Crystals 40, no. 12 (2013): 1736–47. http://dx.doi.org/10.1080/02678292.2013.839831.

Full text

APA, Harvard, Vancouver, ISO, and other styles

21

Teixeira, Paulo F., José A. Covas, and Loïc Hilliou. "In-Line Rheo-Optical Investigation of the Dispersion of Organoclay in a Polymer Matrix during Twin-Screw Compounding." Polymers 13, no. 13 (2021): 2128. http://dx.doi.org/10.3390/polym13132128.

Full text

Abstract:

The dispersion mechanisms in a clay-based polymer nanocomposite (CPNC) during twin-screw extrusion are studied by in-situ rheo-optical techniques, which relate the CPNC morphology with its viscosity. This methodology avoids the problems associated with post extrusion structural rearrangement. The polydimethylsiloxane (PDMS) matrix, which can be processed at ambient and low temperatures, is used to bypass any issues associated with thermal degradation. Local heating in the first part of the extruder allows testing of the usefulness of low matrix viscosity to enhance polymer intercalation before

APA, Harvard, Vancouver, ISO, and other styles

22

Hagerman, Michael E., Samuel J. Salamone, Robert W. Herbst, and Amy L. Payeur. "Tris(2,2‘-bipyridine)ruthenium(II) Cations as Photoprobes of Clay Tactoid Architecture within Hectorite and Laponite Films." Chemistry of Materials 15, no. 2 (2003): 443–50. http://dx.doi.org/10.1021/cm0209160.

Full text

APA, Harvard, Vancouver, ISO, and other styles

23

Wang, Yang, Boming Zhang, and Jinrui Ye. "Organoclay-reinforced polyethersulfone-modified epoxy-based hybrid nanocomposites." High Performance Polymers 23, no. 7 (2011): 526–34. http://dx.doi.org/10.1177/0954008311418385.

Full text

Abstract:

Hybrid nanocomposites were successfully prepared by the incorporation of polyethersulfone (PES) and organoclay into epoxy resin. They had higher fracture toughness than the prepared PES/epoxy blend and organoclay/epoxy nanocomposites. The microstructures of the hybrid nanocomposites were studied. They were comprised of homogeneous PES/epoxy semi-interpenetrating network (semi-IPN) matrices and organoclay micro-agglomerates made up of tactoid-like regions composed of ordered exfoliated organoclay with various orientations. The former was confirmed with dynamic mechanical analysis, scanning elec

APA, Harvard, Vancouver, ISO, and other styles

24

Suter, James L., Derek Groen, and Peter V. Coveney. "Chemically Specific Multiscale Modeling of Clay-Polymer Nanocomposites Reveals Intercalation Dynamics, Tactoid Self-Assembly and Emergent Materials Properties." Advanced Materials 27, no. 6 (2014): 966–84. http://dx.doi.org/10.1002/adma.201403361.

Full text

APA, Harvard, Vancouver, ISO, and other styles

25

Osman, Azlin Fazlina, Grant Edwards, and Darren Martin. "Effects of Processing Method and Nanofiller Size on Mechanical Properties of Biomedical Thermoplastic Polyurethane (TPU) Nanocomposites." Advanced Materials Research 911 (March 2014): 115–19. http://dx.doi.org/10.4028/www.scientific.net/amr.911.115.

Full text

Abstract:

The effects of processing method and nanofiller size on mechanical performance of biomedical thermoplastic polyurethane (TPU)-organosilicate nanocomposites were examined. High energy milled organofluoromica nanofillers having reduced platelet aspect ratio and tactoid size were produced in order to obtain an overall better dispersion and more efficient TPU-organofluoromica nanocomposite reinforcement. Regardless the processing method, the lower aspect ratio milled nanofillers resulted in improved quality of dispersion and delamination when incorporated into the TPU and hence induced greater mec

APA, Harvard, Vancouver, ISO, and other styles

26

Tavares, Luciana Lopes, Crislene Barbosa de Almeida, Ícaro Putinhon Caruso, Marinônio Lopes Cornélio, and José Francisco Lopes Filho. "Effect of modified clays on the structure and functional properties of biofilms produced with zein." Food Science and Technology 32, no. 2 (2012): 314–22. http://dx.doi.org/10.1590/s0101-20612012005000056.

Full text

Abstract:

The purpose of this study was to evaluate changes in the structure and some functional properties of biofilms added with modified clays (Cloisite® 15A and Cloisite® 30B) prepared by the casting method. The analysis of the microstructure of the films, scanning electron microscopy (SEM), Optical microscopy (MO), and Infrared Spectroscopy (FTIR) indicated that the addition of clay in the films resulted in the formation of a heterogeneous microstructure, microcomposite or tactoid. Due to the formation of a microcomposite structure, functional properties of the films added with both clays such as o

APA, Harvard, Vancouver, ISO, and other styles

27

Ganguly, Sayan, Poushali Das, Tushar Kanti Das, et al. "Acoustic cavitation assisted destratified clay tactoid reinforced in situ elastomer-mimetic semi-IPN hydrogel for catalytic and bactericidal application." Ultrasonics Sonochemistry 60 (January 2020): 104797. http://dx.doi.org/10.1016/j.ultsonch.2019.104797.

Full text

APA, Harvard, Vancouver, ISO, and other styles

28

Gumel, A. M., M. S. M. Annuar, K. A. Ishak, and N. Ahmad. "Carbon Nanofibers-Poly-3-hydroxyalkanoates Nanocomposite: Ultrasound-Assisted Dispersion and Thermostructural Properties." Journal of Nanomaterials 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/264206.

Full text

Abstract:

The conductivity and high surface-to-volume ratio of carbon nanofibers (CNFs) composited with the medium-chain-length poly-3-hydroxyalkanoate (mcl-PHA) have attracted much attention as smart biomaterial. However, poor CNF dispersion leads to tactoid agglomerated composite with poor crystallite morphology resulting in inferior thermomechanical properties. We employed acoustic sonication to enhance the construction of exfoliated PHA/CNFs nanocomposites. The effects of CNF loading and the insonation variables (power intensity, frequency, and time) on the stability and microscopic morphology of th

APA, Harvard, Vancouver, ISO, and other styles

29

Wesche, W. Allen, Vivek Khare, Bhaskar N. Rao, Laura C. Bowman, and David M. Parham. "Malignant Peripheral Nerve Sheath Tumor of Bone in Children and Adolescents." Pediatric and Developmental Pathology 2, no. 2 (1999): 159–67. http://dx.doi.org/10.1007/s100249900104.

Full text

Abstract:

Malignant peripheral nerve sheath tumor (MPNST) of bone is a rare entity. We have examined three lesions that fit standard histopathologic criteria for MPNST of soft tissues but that arose in the skeleton of three children aged 6 to 13 years. None was affected by neurofibromatosis 1 (NF1). Histologic features typical of MPNST included spindle cells with comma-shaped nuclei, tactoid bodies, nuclear palisading, hyaline bands, and schwannoma-like and curlicue foci. Epithelioid foci were seen in two cases, and heterologous differentiation in one. Immunohistochemistry revealed positivity for S-100

APA, Harvard, Vancouver, ISO, and other styles

30

Jamil, Asif, Oh Pei Ching, Muhammad Naqvi, Hafiza Aroosa Aslam Khan, and Salman Raza Naqvi. "Polyetherimide-Montmorillonite Nano-Hybrid Composite Membranes: CO2 Permeance Study via Theoretical Models." Processes 8, no. 1 (2020): 118. http://dx.doi.org/10.3390/pr8010118.

Full text

Abstract:

The incorporation of aminolauric acid modified montmorillonite (f-MMT) in polyetherimide (PEI) has been implemented to develop hollow fibre nano-hybrid composite membranes (NHCMs) with improved gas separation characteristics. The aforementioned characteristics are caused by enhanced f-MMT spatial dispersion and interfacial interactions with PEI matrix. In this study, existing gas permeation models such as, Nielsen, Cussler, Yang–Cussler, Lape–Cussler and Bharadwaj were adopted to estimate the dispersion state of f-MMT and to predict the CO2 permeance in developed NHCMs. It was found out that t

APA, Harvard, Vancouver, ISO, and other styles

31

Jansson, Maria, Axel Thuresson, Tomás S. Plivelic, Jan Forsman, and Marie Skepö. "The effect of the relative permittivity on the tactoid formation in nanoplatelet systems. A combined computer simulation, SAXS, and osmotic pressure study." Journal of Colloid and Interface Science 513 (March 2018): 575–84. http://dx.doi.org/10.1016/j.jcis.2017.11.051.

Full text

APA, Harvard, Vancouver, ISO, and other styles

32

Manassero, Mario. "Second ISSMGE R. Kerry Rowe Lecture: On the intrinsic, state, and fabric parameters of active clays for contaminant control." Canadian Geotechnical Journal 57, no. 3 (2020): 311–36. http://dx.doi.org/10.1139/cgj-2019-0033.

Full text

Abstract:

The osmotic, hydraulic and self-healing efficiency of bentonite-based barriers for the containment of subsoil pollutants is governed not only by the intrinsic chemicophysical parameters of the bentonite, i.e., the solid phase density, ρsk; the total specific surface, S; the surface density of the electric charge, σ; and the Stern layer thickness, dStern, and fraction, fStern, but also by the chemicomechanical fabric parameters that quantify the structure or texture of the solid skeleton, such as the micro, em, and nano, en, void ratios; the average number of platelets or lamellae per tactoid,

APA, Harvard, Vancouver, ISO, and other styles

33

Suter, James L., Derek Groen, and Peter V. Coveney. "Clay-Polymer Nanocomposites: Chemically Specific Multiscale Modeling of Clay-Polymer Nanocomposites Reveals Intercalation Dynamics, Tactoid Self-Assembly and Emergent Materials Properties (Adv. Mater. 6/2015)." Advanced Materials 27, no. 6 (2015): 957. http://dx.doi.org/10.1002/adma.201570034.

Full text

APA, Harvard, Vancouver, ISO, and other styles

34

Kozlov, Georgii V., and Igor V. Dolbin. "SIMULATION OF REINFORCEMENT DEGREE OF NANOCOMPOSITES ELASTOMER/2D-NANOFILLER." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 11 (2020): 103–8. http://dx.doi.org/10.6060/ivkkt.20206311.6276.

Full text

Abstract:

Three schemes of modeling of reinforcement degree of nanocomposites polymer/2D-nanofiller with elastomeric matrix were proposed, differing principally from used ones earlier. These schemes do not used nominal characteristics of nanofiller (its modulus of elasticity, anisotropy degree), yet allow to obtain real (effective) values of these parameters. It has been shown, that modulus of elasticity of 2D-nanofiller aggregates in polymer matrix of nanocomposite is a function of stiffness of the indicated matrix. The other analogous model assumes the dependence of modulus of elasticity of 2D-nanofil

APA, Harvard, Vancouver, ISO, and other styles

35

Jones, L. N., and F. M. Pope. "Isolation of intermediate filament assemblies from human hair follicles." Journal of Cell Biology 101, no. 4 (1985): 1569–77. http://dx.doi.org/10.1083/jcb.101.4.1569.

Full text

Abstract:

We used developing human hair follicle cells for the isolation of hard alpha-keratin structural components. Intracellular dispersions examined by electron microscopy contained both individual alpha-keratin filaments and the tactoid-like filament assemblies observed in situ organized along subfibrillar arms of macrofibrils. The assemblies of average width 47 nm were composed of closely packed alpha-keratin filaments and originated from the initial filament arrays observed in sections of developing mammalian hair follicles. We have distinguished two types of assemblies: the para-like or hexagona

APA, Harvard, Vancouver, ISO, and other styles

36

Ahmad Fauzi, A. A., Azlin Fazlina Osman, M. A. A. Abdullah, and S. Mandal. "Destabilization of Natural and Commercial Bentonite Interlayers by Ultrasonication, pH Control and Salt Addition." Solid State Phenomena 280 (August 2018): 115–20. http://dx.doi.org/10.4028/www.scientific.net/ssp.280.115.

Full text

Abstract:

Natural and commercial bentonites can act as efficient fillers to reinforce a polymer matrix if their strong interlayer binding forces are weakened to reduce tactoid formation. In this research, interlayers destabilization process was applied to gain a loosely packed, swelled and disorganized clay layered structure for better polymer intercalation and filler dispersion during the polymer/clay composite fabrication. Three different destabilization methods were applied to the natural and commercial bentonites and their effects on swelling and platelets ordering/stacking of the clays were observe

APA, Harvard, Vancouver, ISO, and other styles

37

Sienko, K. H., M. D. Balkwill, L. I. E. Oddsson, and C. Wall. "Effects of multi-directional vibrotactile feedback on vestibular-deficient postural performance during continuous multi-directional support surface perturbations." Journal of Vestibular Research 18, no. 5-6 (2009): 273–85. http://dx.doi.org/10.3233/ves-2008-185-604.

Full text

Abstract:

Single-axis vibrotactile feedback of trunk tilt provided in real-time has previously been shown to significantly reduce the root-mean-square (RMS) trunk sway in subjects with vestibular loss during single-axis perturbation. This research examines the effect of multi-directional vibrotactile feedback on postural sway during continuous multi-directional surface perturbations when the subjects' eyes are closed. Eight subjects with vestibular loss donned a multi-axis feedback device that mapped body tilt estimates onto their torsos with a 3-row by 16-column array of tactile actuators (tactors). Ta

APA, Harvard, Vancouver, ISO, and other styles

38

Kim, Hyung Sik, Mi Hyun Choi, In Hwa Lee, et al. "A MR-Compatible Finger Stimulator for Simultaneous Pressure and Heat Stimulation." Applied Mechanics and Materials 610 (August 2014): 182–85. http://dx.doi.org/10.4028/www.scientific.net/amm.610.182.

Full text

Abstract:

In this study, a Magnetic Resonance (MR)-compatible finger stimulator was developed that can display pressure and heat stimulation simultaneously. The developed finger stimulator consists of three parts: a main controller, drive units, and tactors. The main controller controls stimulation parameters such as stimulation intensity and time. The drive units operate pressure and heat tactors in response to commands from the main controller. The tactors display various pressure and heat stimulation quantitatively and simultaneously. The developed stimulator has many advantages in overall system, st

APA, Harvard, Vancouver, ISO, and other styles

39

Hao, Fei, Juan Wu, Wei Lu, and Ai Guo Song. "Training Factors of Vibrotactile Display for Orientation." Advanced Materials Research 616-618 (December 2012): 2097–100. http://dx.doi.org/10.4028/www.scientific.net/amr.616-618.2097.

Full text

Abstract:

Two sets of comparative experiments to evaluate the performance difference between the untrained and the trained subjects are presented. In the experiments orientation information were transmitted into the given tactor vibrating of a wearable vibrotactile display waist belt consisting of 12 tactors. The results show that subjects could receive vibrotactile information better and faster after training.

APA, Harvard, Vancouver, ISO, and other styles

40

Harris, Laurence R., Sarah D’Amour, and Lisa M. Pritchett. "Two-point touch discrimination depends on the perceived length of the arm." Seeing and Perceiving 25 (2012): 126. http://dx.doi.org/10.1163/187847612x647595.

Full text

Abstract:

Two-point discrimination threshold depends on the number and size of receptive fields between the touches. But what determines the size of the receptive fields? Are they anatomically fixed? Or are they related to perceived body size? To answer this question we manipulated perceived arm length using the Pinocchio illusion. The test arm was held at the wrist and the holding arm was made to feel perceptually more extended than it was by applying vibration to the tendon of the biceps (cf. de Vignemont et al., 2005). For control trials the holding arm was vibrated elsewhere. An array of tactors, se

APA, Harvard, Vancouver, ISO, and other styles

41

Ferris, Thomas, Shameem Hameed, Robert Penfold, and Nikhil Rao. "Tactons in multitask environments: The interaction of presentation modality and processing code." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 51, no. 22 (2007): 1481–85. http://dx.doi.org/10.1177/154193120705102203.

Full text

Abstract:

Tactons, or vibrotactile icons, have been proposed as a means to communicate complex concepts to users and to support multitasking in environments involving numerous visual and/or auditory tasks and stimuli. This study investigated the role of processing code in the interpretation of tactons while performing concurrent visual tasks in such environments. Participants decoded tactons composed of spatiotemporal patterns of vibrations – requiring spatial processing – and interpreted one of two types of visual task stimuli – requiring either spatial or categorical processing – in a driving simulati

APA, Harvard, Vancouver, ISO, and other styles

42

Looi, Lai Meng. "Amyloids and tactoids." Journal of Pathology 170, no. 4 (1993): 417–18. http://dx.doi.org/10.1002/path.1711700402.

Full text

APA, Harvard, Vancouver, ISO, and other styles

43

Bloomfield, Aaron, and Norman I. Badler. "Virtual Training via Vibrotactile Arrays." Presence: Teleoperators and Virtual Environments 17, no. 2 (2008): 103–20. http://dx.doi.org/10.1162/pres.17.2.103.

Full text

Abstract:

What is often missing from many virtual worlds and training simulations is a physical sense of the confinement and constraint of the virtual environment. We present a method for providing localized cutaneous vibratory feedback to the user's right arm. We created a sleeve of tactors linked to a real-time human model; the tactors activate to apply sensation to the corresponding body area. The hypothesis is that vibrotactile feedback to body areas provides the wearer sufficient guidance to assume correct body configurations and ascertain the existence and physical realism of access paths. We pres

APA, Harvard, Vancouver, ISO, and other styles

44

Prinsen, P., and P. van der Schoot. "Parity breaking in nematic tactoids." Journal of Physics: Condensed Matter 16, no. 49 (2004): 8835–50. http://dx.doi.org/10.1088/0953-8984/16/49/003.

Full text

APA, Harvard, Vancouver, ISO, and other styles

45

Metselaar, Luuk, Amin Doostmohammadi, and Julia M. Yeomans. "Two-dimensional, blue phase tactoids." Molecular Physics 116, no. 21-22 (2018): 2856–63. http://dx.doi.org/10.1080/00268976.2018.1496292.

Full text

APA, Harvard, Vancouver, ISO, and other styles

46

Kozlov, G. V., I. V. Dolbin, and L. N. Nikitin. "The structure of graphene oxide in polymer matrix and its effect on reinforcement degree of nanocomposite." Доклады Академии наук 486, no. 4 (2019): 426–29. http://dx.doi.org/10.31857/s0869-56524864426-429.

Full text

Abstract:

The methodics of characterization of 2D-nanofiller tactoids structure in polymer matrix of nanocomposite was proposed, which shown that the indicated tactoids are fractal objects with dimension of 1.75-2.16. This variation of tactoids structural state is due to interfacial interactions. It has been shown within the framework of reinforcement percolation theory, that structure of tactoids is single factor, defining reinforcement efficiency is characterized by its ability to create interfacial regions.

APA, Harvard, Vancouver, ISO, and other styles

47

Zhang, Zhen, Xin Lu, Yoshihiro Hagihara, and Adiljan Yimit. "Development of a high-performance tactile feedback display for three-dimensional shape rendering." International Journal of Advanced Robotic Systems 16, no. 5 (2019): 172988141986318. http://dx.doi.org/10.1177/1729881419863187.

Full text

Abstract:

This article presents a virtual tactile display using a shape-displaying method with flexible tendon-driven transmission to enhance performance. Sixteen tactors move perpendicularly in a 4 × 4 module to render the local shape of the virtual object to the skin of the user’s fingertip. We detail the display structure design and the transmission system, and we combine the compact design of the drive unit and tactor module with a flexible tendon-driven transmission to address the ergonomic constraints on previous devices and make them more suitable for tactile feedback. In this work, we integrate

APA, Harvard, Vancouver, ISO, and other styles

48

Nyasulu, Tawanda Denzel, Shengzhi Du, Nico Steyn, and Enzeng Dong. "A Study of Cutaneous Perception Parameters for Designing Haptic Symbols towards Information Transfer." Electronics 10, no. 17 (2021): 2147. http://dx.doi.org/10.3390/electronics10172147.

Full text

Abstract:

Vibrotactile displays can substitute for sensory channels of individuals experiencing temporary or permanent impairments in balance, vision, or hearing, and can enhance the user experience in professional or entertainment situations. This massive range of potential uses necessitates primary research on human vibrotactile perception. One leading aspect to consider when developing such displays is how to develop haptic patterns or symbols to represent a concept. In most settings, individual patterns are sorted as alphabets of haptic symbols which formulate tactons. Tactons are structured and per

APA, Harvard, Vancouver, ISO, and other styles

49

Peterka, Robert J., Conrad Wall, and Erna Kentala. "Determining the effectiveness of a vibrotactile balance prosthesis." Journal of Vestibular Research 16, no. 1-2 (2006): 45–56. http://dx.doi.org/10.3233/ves-2006-161-205.

Full text

Abstract:

We present a quantitative method for characterizing the effectiveness of a balance prosthesis based on tactile vibrators. The balance prosthesis used an array of 12 tactile vibrators (tactors) placed on the anterior and posterior surfaces of the torso to provide body orientation feedback related to the angular position and velocity of anterior-posterior body sway. Body sway was evoked in subjects with normal sensory function and in vestibular loss subjects by rotating the support surface upon which a test subject stood with eyes closed. Tests were performed both with (tactor trials) and withou

APA, Harvard, Vancouver, ISO, and other styles

50

Dymkov, Yu M., N. P. Yushkin, A. I. Zubov, E. G. Pavlov, A. S. Savel'ev, and V. N. Filippov. "Spherulites and spherulitic tactoids of anthraxolite." Russian Geology and Geophysics 48, no. 10 (2007): 835–43. http://dx.doi.org/10.1016/j.rgg.2007.09.003.

Full text

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!