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Статті в журналах з теми "Multi-stimuli response"

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Автор: Grafiati

Опубліковано: 7 липня 2024

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1

Tholen, Haley, and Ryan L. Harne. "Multi-material stimuli-responsive hydrogels with optically induced actuation." Journal of the Acoustical Society of America 151, no. 4 (April 2022): A179. http://dx.doi.org/10.1121/10.0011023.

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A vision for soft, autonomous materials entails synthesis of multiple senses in multifunctional materials where material response requires sensitivity to external stimuli. Stimuli-responsive hydrogels are of particular interest for optically induced mechanical response due to the ability to transform external stimuli into large, reversible shape change. Specifically, temperature-responsive hydrogels are broadly used and can be designed to achieve deformation through the photothermal effect as a result of surface plasmonic resonance of gold nanoparticles. Here, a multi-material stimuli-responsive hydrogel network with embedded gold nanoparticles is demonstrated in a unit cell pattern with anisotropic swelling behavior in response to visible light. Reversible, anisotropic swelling leads to bending motion that contributes to the development of soft, autonomous materials.

2

Mei, Xiaofei, Jingwei Wang, Zhonggao Zhou, Shiyi Wu, Limei Huang, Zhenghuan Lin, and Qidan Ling. "Diarylmaleic anhydrides: unusual organic luminescence, multi-stimuli response and photochromism." Journal of Materials Chemistry C 5, no. 8 (2017): 2135–41. http://dx.doi.org/10.1039/c6tc05519b.

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Novel maleic anhydrides symmetrically substituted by two aromatic rings exhibit distinct emission behaviours: aggregation-caused quenching (ACQ), aggregation-induced emission (AIE), and dual-state emission (DSE) in both solution and the solid state. Appropriate modifications were made to turn ACQ/AIE into DSE and realize full-color DSE.

3

Sathiyaraj, Munusamy, Kumaravelu Pavithra, and Viruthachalam Thiagarajan. "Azine based AIEgens with multi-stimuli response towards picric acid." New Journal of Chemistry 44, no. 20 (2020): 8402–11. http://dx.doi.org/10.1039/d0nj01324b.

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4

Son, Hyegyo, and ChangKyu Yoon. "Advances in Stimuli-Responsive Soft Robots with Integrated Hybrid Materials." Actuators 9, no. 4 (November 14, 2020): 115. http://dx.doi.org/10.3390/act9040115.

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Hybrid stimuli-responsive soft robots have been extensively developed by incorporating multi-functional materials, such as carbon-based nanoparticles, nanowires, low-dimensional materials, and liquid crystals. In addition to the general functions of conventional soft robots, hybrid stimuli-responsive soft robots have displayed significantly advanced multi-mechanical, electrical, or/and optical properties accompanied with smart shape transformation in response to external stimuli, such as heat, light, and even biomaterials. This review surveys the current enhanced scientific methods to synthesize the integration of multi-functional materials within stimuli-responsive soft robots. Furthermore, this review focuses on the applications of hybrid stimuli-responsive soft robots in the forms of actuators and sensors that display multi-responsive and highly sensitive properties. Finally, it highlights the current challenges of stimuli-responsive soft robots and suggests perspectives on future directions for achieving intelligent hybrid stimuli-responsive soft robots applicable in real environments.

5

Khattab, Tawfik A., Brylee David B. Tiu, Sonya Adas, Scott D. Bunge, and Rigoberto C. Advincula. "Solvatochromic, thermochromic and pH-sensory DCDHF-hydrazone molecular switch: response to alkaline analytes." RSC Advances 6, no. 104 (2016): 102296–305. http://dx.doi.org/10.1039/c6ra24113a.

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6

Tiselko, Vasilii S., Maxim Volgushev, Dirk Jancke, and Anton V. Chizhov. "Response retention and apparent motion effect in visual cortex models." PLOS ONE 18, no. 11 (November 2, 2023): e0293725. http://dx.doi.org/10.1371/journal.pone.0293725.

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Apparent motion is a visual illusion in which stationary stimuli, flashing in distinct spatial locations at certain time intervals, are perceived as one stimulus moving between these locations. In the primary visual cortex, apparent-motion stimuli produce smooth spatio-temporal patterns of activity similar to those produced by continuously moving stimuli. An important prerequisite for producing such activity patterns is prolongation of responses to brief stimuli. Indeed, a brief stimulus can evoke in the visual cortex a long response, outlasting the stimulus by hundreds of milliseconds. Here we use firing-rate based models with simple ring structure, and biologically-detailed conductance-based refractory density (CBRD) model with retinotopic space representation to analyze the response retention and the origin of smooth profiles of activity in response to apparent-motion stimuli. We show that the strength of recurrent connectivity is the major factor that endorses neuronal networks with the ability for response retention. The same strengths of recurrent connections mediate the appearance of bump attractor in the ring models. Factors such as synaptic depression, NMDA receptor mediated currents, and conductances regulating spike adaptation influence response retention, but cannot substitute for the weakness of recurrent connections to reproduce response retention in models with weak connectivity. However, the weakness of lateral recurrent connections can be compensated by layering: in multi-layer models even with weaker connections the activity retains due to its feedforward propagation from layer to layer. Using CBRD model with retinotopic space representation we further show that smooth spatio-temporal profiles of activity in response to apparent-motion stimuli are produced in the models expressing response retention, but not in the models that fail to produce response retention. Together, these results demonstrate a link between response retention and the ability of neuronal networks to generate spatio-temporal patterns of activity, which are compatible with perception of apparent motion.

7

Borirakarawin, Manorot, and Yunyong Punsawad. "Event-Related Potential-Based Brain–Computer Interface Using the Thai Vowels’ and Numerals’ Auditory Stimulus Pattern." Sensors 22, no. 15 (August 5, 2022): 5864. http://dx.doi.org/10.3390/s22155864.

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Herein, we developed an auditory stimulus pattern for an event-related potential (ERP)-based brain–computer interface (BCI) system to improve control and communication in quadriplegia with visual impairment. Auditory stimulus paradigms for multicommand electroencephalogram (EEG)-based BCIs and audio stimulus patterns were examined. With the proposed auditory stimulation, using the selected Thai vowel, similar to the English vowel, and Thai numeral sounds, as simple target recognition, we explored the ERPs’ response and classification efficiency from the suggested EEG channels. We also investigated the use of single and multi-loudspeakers for auditory stimuli. Four commands were created using the proposed paradigm. The experimental paradigm was designed to observe ERP responses and verify the proposed auditory stimulus pattern. The conventional classification method produced four commands using the proposed auditory stimulus pattern. The results established that the proposed auditory stimulation with 20 to 30 trials of stream stimuli could produce a prominent ERP response from Pz channels. The vowel stimuli could achieve higher accuracy than the proposed numeral stimuli for two auditory stimuli intervals (100 and 250 ms). Additionally, multi-loudspeaker patterns through vowel and numeral sound stimulation provided an accuracy greater than 85% of the average accuracy. Thus, the proposed auditory stimulation patterns can be implemented as a real-time BCI system to aid in the daily activities of quadratic patients with visual and tactile impairments. In future, practical use of the auditory ERP-based BCI system will be demonstrated and verified in an actual scenario.

8

Hu, Cheng, Weihua Zhuang, Tao Yu, Liang Chen, Zhen Liang, Gaocan Li, and Yunbing Wang. "Multi-stimuli responsive polymeric prodrug micelles for combined chemotherapy and photodynamic therapy." Journal of Materials Chemistry B 8, no. 24 (2020): 5267–79. http://dx.doi.org/10.1039/d0tb00539h.

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9

López, Jesús, María Murillo, Ginés Lifante-Pedrola, Eugenio Cantelar, Javier Gonzalez-Platas, Ulises R. Rodríguez-Mendoza, and Pilar Amo-Ochoa. "Multi-stimulus semiconductor Cu(i)–I-pyrimidine coordination polymer with thermo- and mechanochromic sensing." CrystEngComm 24, no. 2 (2022): 341–49. http://dx.doi.org/10.1039/d1ce01315g.

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The 1D-[Cu(aClpym)I]n coordination polymer behaves as an intelligent material with response to different stimuli since its emission is altered with temperature and with varying modes of pressure, making it a potential multi-response material.

10

Saravanakumar, Kandasamy, Xiaowen Hu, Davoodbasha M. Ali, and Myeong-Hyeon Wang. "Emerging Strategies in Stimuli-Responsive Nanocarriers as the Drug Delivery System for Enhanced Cancer Therapy." Current Pharmaceutical Design 25, no. 24 (October 3, 2019): 2609–25. http://dx.doi.org/10.2174/1381612825666190709221141.

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The conventional Drug Delivery System (DDS) has limitations such as leakage of the drug, toxicity to normal cells and loss of drug efficiency, while the stimuli-responsive DDS is non-toxic to cells, avoiding the leakage and degradation of the drug because of its targeted drug delivery to the pathological site. Thus nanomaterial chemistry enables - the development of smart stimuli-responsive DDS over the conventional DDS. Stimuliresponsive DDS ensures spatial or temporal, on-demand drug delivery to the targeted cancer cells. The DDS is engineered by using the organic (synthetic polymers, liposomes, peptides, aptamer, micelles, dendrimers) and inorganic (zinc oxide, gold, magnetic, quantum dots, metal oxides) materials. Principally, these nanocarriers release the drug at the targeted cells in response to external and internal stimuli such as temperature, light, ultrasound and magnetic field, pH value, redox potential (glutathione), and enzyme. The multi-stimuli responsive DDS is more promising than the single stimuli-responsive DDS in cancer therapy, and it extensively increases drug release and accumulation in the targeted cancer cells, resulting in better tumor cell ablation. In this regard, a handful of multi-stimuli responsive DDS is in clinical trials for further approval. A comprehensive review is crucial for addressing the existing knowledge about multi-stimuli responsive DDS, and hence, we summarized the emerging strategies in tailored ligand functionalized stimuli-responsive nanocarriers as the DDS for cancer therapies.

11

Gallardo, Iluminada, Gonzalo Guirado, Jordi Hernando, Sandy Morais, and Gemma Prats. "A multi-stimuli responsive switch as a fluorescent molecular analogue of transistors." Chemical Science 7, no. 3 (2016): 1819–25. http://dx.doi.org/10.1039/c5sc03395k.

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12

Zhang, Yang, Erica Kuntz, and Chieh Kao. "Age-related decline in hearing and emotional prosody processing: A multi-feature oddball study." Journal of the Acoustical Society of America 155, no. 3_Supplement (March 1, 2024): A78—A79. http://dx.doi.org/10.1121/10.0026869.

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This study investigated how age and hearing loss contributed to the challenges in perceiving emotional prosody in speech. A multi-feature oddball paradigm was employed to assess mismatch negativity (MMN) and P3a responses to three deviant prosodies (happy, angry and sad) against the standard neutral prosody in spoken words. The participants were 22 adults in the age range of 18 to 70 with various degrees of hearing loss as assessed with pure tone audiometry. Linear mixed effects models revealed heightened MMN response to angry voice and strongest P3a response to happy voice among the three deviants. There was a significant positive correlation between age and MMN amplitude for the angry prosody. Significant correlations were also observed between hearing loss and MMN amplitude in response to both angry and happy stimuli. In addition, negative correlations were found between P3a amplitude and hearing loss as well as aging for happy stimuli. However, aging and hearing loss did not significantly affect the processing of sadness in this paradigm. These findings showed category-sensitive age-related decline in emotional prosody processing. The intricate correlations patterns among age, hearing loss, MMN, and P3a responses called for further exploration of broader implications in cognitive aging.

13

Liu, Liu, Nicolas R. Tanguy, Ning Yan, Yiqiang Wu, Xiubo Liu, and Yan Qing. "Anisotropic cellulose nanocrystal hydrogel with multi-stimuli response to temperature and mechanical stress." Carbohydrate Polymers 280 (March 2022): 119005. http://dx.doi.org/10.1016/j.carbpol.2021.119005.

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14

Dong, Yue, Lu Wang, Neng Xia, Yu Wang, Shijie Wang, Zhengxin Yang, Dongdong Jin, et al. "Multi-stimuli-response programmable soft actuators with site-specific and anisotropic deformation behavior." Nano Energy 88 (October 2021): 106254. http://dx.doi.org/10.1016/j.nanoen.2021.106254.

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15

di Gregorio, M. C., M. Varenik, M. Gubitosi, L. Travaglini, N. V. Pavel, A. Jover, F. Meijide, O. Regev, and L. Galantini. "Multi stimuli response of a single surfactant presenting a rich self-assembly behavior." RSC Advances 5, no. 47 (2015): 37800–37806. http://dx.doi.org/10.1039/c5ra01394a.

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A bile salt derived surfactant shows an unusually rich multi responsive self-assembly, involving interesting opening/closure mechanisms of supramolecular tubules and drastic spectroscopic variations, potentially exploitable in sensing.

16

ITO, Suguru. "Emission Color Change of Multi-Component Organic Crystals in Response to Mechanical Stimuli." Nihon Kessho Gakkaishi 65, no. 2 (May 31, 2023): 79–80. http://dx.doi.org/10.5940/jcrsj.65.79.

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17

Lauritzen, T. Z., A. E. Krukowski, and K. D. Miller. "Local Correlation-Based Circuitry Can Account for Responses to Multi-Grating Stimuli in a Model of Cat V1." Journal of Neurophysiology 86, no. 4 (October 1, 2001): 1803–15. http://dx.doi.org/10.1152/jn.2001.86.4.1803.

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In cortical simple cells of cat striate cortex, the response to a visual stimulus of the preferred orientation is partially suppressed by simultaneous presentation of a stimulus at the orthogonal orientation, an effect known as “cross-orientation inhibition.” It has been argued that this is due to the presence of inhibitory connections between cells tuned for different orientations, but intracellular studies suggest that simple cells receive inhibitory input primarily from cells with similar orientation tuning. Furthermore, response suppression can be elicited by a variety of nonpreferred stimuli at all orientations. Here we study a model circuit that was presented previously to address many aspects of simple cell orientation tuning, which is based on local intracortical connectivity between cells of similar orientation tuning. We show that this model circuit can account for many aspects of cross-orientation inhibition and, more generally, of response suppression by nonpreferred stimuli and of other nonlinear properties of responses to stimulation with multiple gratings.

18

Ha, Summer Y. Y., and Dennis K. P. Ng. "Constructing a four-input molecular keypad lock with a multi-stimuli-responsive phthalocyanine." Chemical Communications 56, no. 93 (2020): 14601–4. http://dx.doi.org/10.1039/d0cc06251k.

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19

Bora, Hridoy Jyoti, Pranjal Barman, Sushanta Bordoloi, Gautomi Gogoi, Bedanta Gogoi, Neelotpal Sen Sarma, and Anamika Kalita. "Realization of multi-configurable logic gate behaviour on fluorescence switching signalling of naphthalene diimide congeners." RSC Advances 11, no. 56 (2021): 35274–79. http://dx.doi.org/10.1039/d1ra06728a.

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The implementation of functional congeners of naphthalene diimide experiencing fluorescence ON/OFF switching signalling in response to external stimuli, is suitably realized to construct multi-configurable molecular logic gates.

20

Guan, Xiao-Wen, Qi Lin, You-Ming Zhang, Tai-Bao Wei, Jiao Wang, Yan-Qing Fan, and Hong Yao. "Pillar[5]arene-based spongy supramolecular polymer gel and its properties in multi-responsiveness, dye sorption, ultrasensitive detection and separation of Fe3+." Soft Matter 15, no. 15 (2019): 3241–47. http://dx.doi.org/10.1039/c8sm02482k.

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21

Wang, Kun-Peng, Yong Chen, and Yu Liu. "A polycation-induced secondary assembly of amphiphilic calixarene and its multi-stimuli responsive gelation behavior." Chemical Communications 51, no. 9 (2015): 1647–49. http://dx.doi.org/10.1039/c4cc08721f.

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22

Papon, Nicolas, and Ann M. Stock. "What do archaeal and eukaryotic histidine kinases sense?" F1000Research 8 (December 27, 2019): 2145. http://dx.doi.org/10.12688/f1000research.20094.1.

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Signal transduction systems configured around a core phosphotransfer step between a histidine kinase and a cognate response regulator protein occur in organisms from all domains of life. These systems, termed two-component systems, constitute the majority of multi-component signaling pathways in Bacteria but are less prevalent in Archaea and Eukarya. The core signaling domains are modular, allowing versatility in configuration of components into single-step phosphotransfer and multi-step phosphorelay pathways, the former being predominant in bacteria and the latter in eukaryotes. Two-component systems regulate key cellular regulatory processes that provide adaptive responses to environmental stimuli and are of interest for the development of antimicrobial therapeutics, biotechnology applications, and biosensor engineering. In bacteria, two-component systems have been found to mediate responses to an extremely broad array of extracellular and intracellular chemical and physical stimuli, whereas in archaea and eukaryotes, the use of two-component systems is more limited. This review summarizes recent advances in exploring the repertoire of sensor histidine kinases in the Archaea and Eukarya domains of life.

23

Yi, Long, and Robert Sekuler. "Audiovisual interaction with rate-varying signals." i-Perception 13, no. 6 (November 2022): 204166952211166. http://dx.doi.org/10.1177/20416695221116653.

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A task-irrelevant, amplitude-modulating sound influences perception of a size-modulating visual stimulus. To probe the limits of this audiovisual interaction we vary the second temporal derivative of object size and of sound amplitude. In the study’s first phase subjects see a visual stimulus size-modulating with [Formula: see text]0, 0, or <0, and judge each one’s rate as increasing, constant, or decreasing. Visual stimuli are accompanied by a steady, non-modulated auditory stimulus. The novel combination of multiple stimuli and multi-alternative responses allows subjects’ similarity space to be estimated from the stimulus-response confusion matrix. In the study’s second phase, rate-varying visual stimuli are presented in concert with auditory stimuli whose second derivative also varied. Subjects identified each visual stimuli as one of the three types, while trying to ignore the accompanying sound. Unlike some previous results with [Formula: see text] fixed at 0, performance benefits relatively little when visual and auditory stimuli share the same directional change in modulation. However, performance does drop when visual and auditory stimului differ in their directions of rate change. Our task’s computational demands may make it particularly vulnerable to the effects of a dynamic task-irrelevant stimulus.

24

Wei, Yao, Shihao Li, Xiaofan Zhang, Yanjun Fu, and Kejian Chen. "Smart Devices Based on the Soft Actuator with Nafion-Polypropylene-PDMS/Graphite Multilayer Structure." Applied Sciences 10, no. 5 (March 6, 2020): 1829. http://dx.doi.org/10.3390/app10051829.

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The demand for multi-functional soft actuators with simple fabrication and fast response to multiple stimuli is increasing in the field of smart devices. However, for existing actuators that respond to a single stimulus, it is difficult to meet the requirements of application diversity. Herein, a type of multi-stimulus responsive soft actuator based on the Nafion-Polypropylene-polydimethylsiloxane (PDMS)/Graphite multilayer membranes is proposed. Such actuators have an excellent reversible response to optical/thermal and humidity stimulation, which can reach a 224.56° bending angle in a relative humidity of 95% within 5 s and a maximum bending angle of 324.65° in 31 s when the platform temperature is 80 °C, and has a faster response (<0.5 s) to optical stimuli, as an asymmetric structure allows it to bend in both directions. Based on such an actuator, some applications like flexible grippers and switches to carry items or control circuits, bionic flytraps to capture and release “prey”, have also been developed and studied. These provide potential applications in the fields of soft sensors, artificial skin and flexible robots.

25

Meredith, M. A., and B. E. Stein. "Visual, auditory, and somatosensory convergence on cells in superior colliculus results in multisensory integration." Journal of Neurophysiology 56, no. 3 (September 1, 1986): 640–62. http://dx.doi.org/10.1152/jn.1986.56.3.640.

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Convergence of inputs from different sensory modalities onto individual neurons is a phenomenon that occurs widely throughout the brain at many phyletic levels and appears to represent a basic neural mechanism by which an organism integrates complex environmental stimuli. In the present study, neurons in the superior colliculus (SC) were used as a model to examine how single neurons deal with simultaneous cues from different sensory modalities (e.g., visual, auditory, somatosensory). The functional result of multisensory convergence on an individual cell was determined by comparing the responses evoked from it by a combined-modality (multimodal) stimulus with those elicited by each (unimodal) component of that stimulus presented alone. Superior colliculus cells exhibited profound changes in their activity when individual sensory stimuli were combined. These "multisensory interactions" were found to be widespread among deep laminae cells and fell into one of two functional categories: response enhancement, characterized by a significant increase in the number of discharges evoked; and response depression, characterized by a significant decrease in the discharges elicited. Multisensory response interactions most often reflected a multiplicative, rather than summative, change in activity. Their absolute magnitude varied from cell to cell and, when stimulus conditions were altered, within the same cell. However, the percentage change of enhanced interactions was generally inversely related to the vigor of the responses that could be evoked by presenting each unimodal stimulus alone and suggest that the potential for response amplification was greatest when responses evoked by individual stimuli were weakest. The majority of cells exhibiting multi-sensory characteristics were demonstrated to have descending efferent projections and thus had access to premotor and motor areas of the brain stem and spinal cord involved in SC-mediated attentive and orientation behaviors. These data show that multisensory convergence provides the descending efferent cells of the SC with a dynamic response character. The responses of these cells and the SC-mediated behaviors that they underlie need not be immutably tied to the presence of any single stimulus, but can vary in response to the particular complex of stimuli present in the environment at any given moment.

26

Neuenschwander, Sergio, Miguel Castelo-Branco, Jerome Baron, and Wolf Singer. "Feed-forward synchronization: propagation of temporal patterns along the retinothalamocortical pathway." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 357, no. 1428 (December 29, 2002): 1869–76. http://dx.doi.org/10.1098/rstb.2002.1172.

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Visual responses in the cortex and lateral geniculate nucleus (LGN) are often associated with synchronous oscillatory patterning. In this short review, we examine the possible relationships between subcortical and cortical synchronization mechanisms. Our results obtained from simultaneous multi–unit recordings show strong synchronization of oscillatory responses between retina, LGN and cortex, indicating that cortical neurons can be synchronized by oscillatory activity relayed through the LGN. This feed–forward synchronization mechanism operating in the 60 to 120 Hz frequency range was observed mostly for static stimuli. In response to moving stimuli, by contrast, cortical synchronization was independent of oscillatory inputs from the LGN, with oscillation frequency in the range of 30 to 60 Hz. The functional implications of synchronization of activity from parallel channels are discussed, in particular its significance for signal transmission and cortical integration processes.

27

Conceição, Eusebio, Mª Inês Conceição, and Mª Manuela Lúcio. "Development of a virtual biomechanical manikin used in vibrations studies in occupied spaces." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 2 (August 1, 2021): 4246–56. http://dx.doi.org/10.3397/in-2021-2641.

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In this paper is developed and applied a virtual biomechanical manikin used in occupied spaces. This multi-nodal numerical model is applied in the vibrations of the different sections of the human body, under transient conditions. The integration of second order equations systems, based in Newton equation, after being converted in a first order equation system, is solved through the Runge-Kutta-Fehlberg method with error control. This multi-nodal numerical model will be used, in this work, in the study of the vibrations that a standing person is subjected when stimuli are applied to the feet. The influence of various types of stimuli is analyzed, with periodic irregularities, in the dynamic response of the vibrations in different sections of the human body. The signals of the stimuli, the displacement of some sections of the body and the power spectrum of the same signals will be presented. In the study the influence of the floor vibration in the human body sections is analyzed and presented.

28

Chen, Mao, Lin Zhou, Zhongtao Chen, Yinyu Zhang, Peishang Xiao, Shujun Yu, Yeping Wu, and Xiuli Zhao. "Multi-functional epoxy vitrimers: Controllable dynamic properties, multiple-stimuli response, crack-healing and fracture-welding." Composites Science and Technology 221 (April 2022): 109364. http://dx.doi.org/10.1016/j.compscitech.2022.109364.

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29

Paggi, C., B. Venzac, J. Leijten, L. Moreira Teixeira Leijten, S. Le gac, and M. Karperien. "Cartilage-on-chip: a multi-modal platform to study human chondrocyte’s response to mechanical stimuli." Osteoarthritis and Cartilage 28 (April 2020): S176—S177. http://dx.doi.org/10.1016/j.joca.2020.02.287.

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30

Althen, H., M. Huotilainen, S. Grimm, and C. Escera. "Middle latency response correlates of single and double deviant stimuli in a multi-feature paradigm." Clinical Neurophysiology 127, no. 1 (January 2016): 388–96. http://dx.doi.org/10.1016/j.clinph.2015.04.058.

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31

Li, Wenbing, Yanju Liu, and Jinsong Leng. "Shape memory polymer nanocomposite with multi-stimuli response and two-way reversible shape memory behavior." RSC Adv. 4, no. 106 (November 18, 2014): 61847–54. http://dx.doi.org/10.1039/c4ra10716k.

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32

Ji, Yingchun, Zhe Peng, Bin Tong, Jianbing Shi, Junge Zhi, and Yuping Dong. "Polymorphism-dependent aggregation-induced emission of pyrrolopyrrole-based derivative and its multi-stimuli response behaviors." Dyes and Pigments 139 (April 2017): 664–71. http://dx.doi.org/10.1016/j.dyepig.2016.12.061.

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33

Xiao, Kai, Ganhua Xie, Pei Li, Qian Liu, Guanglei Hou, Zhen Zhang, Jie Ma, Ye Tian, Liping Wen, and Lei Jiang. "A Biomimetic Multi-Stimuli-Response Ionic Gate Using a Hydroxypyrene Derivation-Functionalized Asymmetric Single Nanochannel." Advanced Materials 26, no. 38 (August 11, 2014): 6560–65. http://dx.doi.org/10.1002/adma.201402247.

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34

Mannone, Maria, Antonio Chella, Giovanni Pilato, Valeria Seidita, Filippo Vella, and Salvatore Gaglio. "Modeling Robotic Thinking and Creativity: A Classic–Quantum Dialogue." Mathematics 12, no. 5 (February 22, 2024): 642. http://dx.doi.org/10.3390/math12050642.

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The human mind can be thought of as a black box, where the external inputs are elaborated in an unknown way and lead to external outputs. D’Ariano and Faggin schematized thinking and consciousness through quantum state dynamics. The complexity of mental states can be formalized through the entanglement of the so-called qualia states. Thus, the interaction between the mind and the external world can be formalized as an interplay between classical and quantum-state dynamics. Since quantum computing is more and more often being applied to robots, and robots constitute a benchmark to test schematic models of behavior, we propose a case study with a robotic dance, where the thinking and moving mechanisms are modeled according to quantum–classic decision making. In our research, to model the elaboration of multi-sensory stimuli and the following decision making in terms of movement response, we adopt the D’Ariano–Faggin formalism and propose a case study with improvised dance based on a collection of poses, whose combination is presented in response to external and periodic multi-sensory stimuli. We model the dancer’s inner state and reaction to classic stimuli through a quantum circuit. We present our preliminary results, discussing further lines of development.

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Yang, Yan, Lian Chen, Feilong Jiang, Xiuyan Wan, Muxin Yu, Zhen Cao, Tan Jing, and Maochun Hong. "Fabricating a super stable luminescent chemosensor with multi-stimuli-response to metal ions and small organic molecules through turn-on and turn-off effects." Journal of Materials Chemistry C 5, no. 18 (2017): 4511–19. http://dx.doi.org/10.1039/c7tc00508c.

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A multi-stimuli-responsive luminescent Ln-MOF (1), with a combination of exceptionally high thermal, air and chemical stabilities, as a turn-on/turn-off chemosensor for metal ions and small organic molecules is reported.

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Jiang, Xiao-Mei, Xiao-Juan Huang, Shan-Shan Song, Xiao-Qiang Ma, You-Ming Zhang, Hong Yao, Tai-Bao Wei, and Qi Lin. "Tri-pillar[5]arene-based multi-stimuli-responsive supramolecular polymers for fluorescence detection and separation of Hg2+." Polymer Chemistry 9, no. 37 (2018): 4625–30. http://dx.doi.org/10.1039/c8py01085d.

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37

Zhu, Guohun, Yan Li, and Peng (Paul) Wen. "Evaluating Functional Connectivity in Alcoholics Based on Maximal Weight Matching." Journal of Advanced Computational Intelligence and Intelligent Informatics 15, no. 9 (November 20, 2011): 1221–27. http://dx.doi.org/10.20965/jaciii.2011.p1221.

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EEG-based applications have faced the challenge of multi-modal integrated analysis problems. In this paper, a greedy maximal weight matching approach is used to measure the functional connectivity in alcoholics datasets with EEG and EOG signals. The major discovery is that the processing of the repeated and unrepeated stimuli in the γ band in control drinkers is significantly more different than that in alcoholic subjects. However, the EOGs are always stable in the case of visual tasks, except for a weakly wave when subjects make an error response to the stimuli.

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Lu, Xiao-Lin, and Min Xia. "Multi-stimuli response of a novel half-cut cruciform and its application as a security ink." Journal of Materials Chemistry C 4, no. 39 (2016): 9350–58. http://dx.doi.org/10.1039/c6tc02618d.

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A novel V-shaped compound (E)-2′-[2-(benzo[d]thiazol-2-yl)vinyl]-N,N-dimethyl-(1,1′-biphenyl)-4-amine, a half-cut cruciform with reversible and highly contrasted fluorochromism in response to external force and surrounding pH stimuli along with ICT and AIE effects in highly polar solvents, can be used as a security ink.

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Jiang, Yuheng, Ying Wang, Qin Li, Chen Yu, and Wanli Chu. "Natural Polymer-based Stimuli-responsive Hydrogels." Current Medicinal Chemistry 27, no. 16 (June 4, 2020): 2631–57. http://dx.doi.org/10.2174/0929867326666191122144916.

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The abilities of intelligent polymer hydrogels to change their structure and volume phase in response to external stimuli have provided new possibilities for various advanced technologies and great research and application potentials in the medical field. The natural polymer-based hydrogels have the advantages of environment-friendliness, rich sources and good biocompatibility. Based on their responsiveness to external stimuli, the natural polymer-based hydrogels can be classified into the temperature-responsive hydrogel, pH-responsive hydrogel, light-responsive hydrogel, electricresponsive hydrogel, redox-responsive hydrogel, enzyme-responsive hydrogel, magnetic-responsive hydrogel, multi-responsive hydrogel, etc. In this review, we have compiled some recent studies on natural polymer-based stimuli-responsive hydrogels, especially the hydrogels prepared from polysaccharides. The preparation methods, properties and applications of these hydrogels in the medical field are highlighted.

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Mikołajczak-Matyja, Nawoja Mikołajczak-Matyja. "Kohiponimia jako relacja z pogranicza kategorii opozycji semantycznej. Perspektywa użytkownika języka polskiego: badanie psycholingwistyczne." Poznańskie Studia Polonistyczne. Seria Językoznawcza 25, no. 1 (August 28, 2018): 111–37. http://dx.doi.org/10.14746/pspsj.2018.25.1.7.

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The paper considers the relation of semantic opposition in terms of the prototype theory of concepts. Its purpose is to provide information on peripheral or border areas of the category of semantic opposition. Data from linguistic analyzes, as well as the results of contemporary corpus studies, indicate that pairs of co-hyponyms from multi-element sets are potentially relevant material in peripheral areas of the category of semantic opposition. A psycholinguistic study was conducted to verify the psychological reality of the data. 720 Polish language users were instructed to provide semantic oppositions to the list of 24 stimuli words (test of directed associations). The research material was Polish nouns belonging to 3 lexical fields: animals, plants and artifacts, with no obvious semantic oppositions (as bee, cabbage, vase). It turned out that, according to the hypothesis, proportions of reactions classified as co-hyponyms of stimuli are high: for 21 stimuli it was 52–94% of the response corpora and for 22 stimuli the dominant reaction was co-hyponym of the stimulus word (as cabbage-lettuce, bee-wasp, vase-flowerpot). The characteristics that determine the choice of a given co-hyponym as the semantic opposite of the stimulus were identified. The remainder of the response corpus was analyzed in order to reveal other ways and mechanisms for seeking the semantic opposition by respondents. The data obtained in the presented study confirm the necessity to incorporate the problem of co-hyponymic pairs from multi-element sets into reflections on the category of the semantic opposition.

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Teng, Yi, Bowei Wang, Siqian Cui, Ziyu Wan, Yuxuan Zan, Ligong Chen, Xilong Yan та Yang Li. "Multi-functional materials based on α-cyanostilbene: Response to mechanical stimuli and selective detection of PNA". Dyes and Pigments 186 (лютий 2021): 109029. http://dx.doi.org/10.1016/j.dyepig.2020.109029.

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42

Fan, Kaiqi, Xiaobo Wang, Zhigang Yin, Caijing Jia, Baohao Zhang, Liming Zhou, and Jian Song. "Novel two-component gels with multi-stimuli response: the gel–sol phase transition and color changes." Journal of Materials Chemistry C 6, no. 38 (2018): 10192–96. http://dx.doi.org/10.1039/c8tc03203c.

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43

Chong, Leelyn, Pengcheng Guo, and Yingfang Zhu. "Mediator Complex: A Pivotal Regulator of ABA Signaling Pathway and Abiotic Stress Response in Plants." International Journal of Molecular Sciences 21, no. 20 (October 20, 2020): 7755. http://dx.doi.org/10.3390/ijms21207755.

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As an evolutionarily conserved multi-protein complex, the Mediator complex modulates the association between transcription factors and RNA polymerase II to precisely regulate gene transcription. Although numerous studies have shown the diverse functions of Mediator complex in plant development, flowering, hormone signaling, and biotic stress response, its roles in the Abscisic acid (ABA) signaling pathway and abiotic stress response remain largely unclear. It has been recognized that the phytohormone, ABA, plays a predominant role in regulating plant adaption to various abiotic stresses as ABA can trigger extensive changes in the transcriptome to help the plants respond to environmental stimuli. Over the past decade, the Mediator complex has been revealed to play key roles in not only regulating the ABA signaling transduction but also in the abiotic stress responses. In this review, we will summarize current knowledge of the Mediator complex in regulating the plants’ response to ABA as well as to the abiotic stresses of cold, drought and high salinity. We will particularly emphasize the involvement of multi-functional subunits of MED25, MED18, MED16, and CDK8 in response to ABA and environmental perturbation. Additionally, we will discuss potential research directions available for further deciphering the role of Mediator complex in regulating ABA and other abiotic stress responses.

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Terrence, Peter I., J. Christopher Brill, and Richard D. Gilson. "Body Orientation and the Perception of Spatial Auditory and Tactile Cues." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 49, no. 17 (September 2005): 1663–67. http://dx.doi.org/10.1177/154193120504901735.

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This study investigated the effects of five body orientations (supine, kneeling, sitting, standing, and prone) on perception of spatial auditory and spatial tactile cues along eight equidistant points (45° separation) of the azimuth, using a within-participant design. Participants (N = 30) used a graphics tablet and stylus to indicate the perceived direction indicated by either vibrotactile stimuli applied to the abdomen, or spatial auditory stimuli presented via headphones. Response time data show responses to spatial tactile cues were significantly faster than spatial auditory cues at each body position and for each point along the azimuth, with no significant effects of body orientation. Absolute angle differences between presented and perceived cues were significantly smaller in the tactile condition for five of the eight stimulus positions, with no significant effects of body orientation. Results are discussed in terms of designing multi-sensory directional cues for reducing visual search space for dismounted soldiers

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Scerif, Gaia, Michael S. Worden, Matthew Davidson, Liat Seiger, and B. J. Casey. "Context Modulates Early Stimulus Processing when Resolving Stimulus-response Conflict." Journal of Cognitive Neuroscience 18, no. 5 (May 1, 2006): 781–92. http://dx.doi.org/10.1162/jocn.2006.18.5.781.

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When responding to stimuli in our environment, the presence of multiple items associated with task-relevant responses affects both ongoing response selection and subsequent behavior. Computational modeling of conflict monitoring and neuroimaging data predict that the recent context of response competition will bias the selection of certain stimuli over others very early in the processing stream through increased focal spatial attention. We used high-density EEG to test this hypothesis and to investigate the contextual effects on nonspatial, early stimulus processing in a modified flanker task. Subjects were required to respond to a central arrow and to ignore potentially conflicting information from flanking arrows in trials preceded by a series of either compatible or incompatible trials. On some trials, we presented the flanking arrows in the absence of the central target. The visual P1 component was selectively enhanced only for incompatible trials when preceded by incompatible ones, suggesting that contextual effects depend on feature-based processing, and not only simple enhancement of the target location. Context effects also occurred on no-target trials as evidenced by an enhanced early-evoked response when they followed compatible compared to incompatible trials, suggesting that spatial attention was also modulated by recent context. These results support a multi-componential account of spatial and nonspatial attention and they suggest that contextually driven cognitive control mechanisms can operate on specific stimulus features at extremely early stages of processing within stimulus-response conflict tasks.

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Agapito, Dora, and Manuela Guerreiro. "DESIGNING ACCESSIBLE TOURISM EXPERIENCES: SLOW, SENSORY AND SMART FRAMEWORK." ENLIGHTENING TOURISM. A PATHMAKING JOURNAL 13, no. 1 (July 2, 2023): 167–98. http://dx.doi.org/10.33776/et.v13i1.7200.

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Slow tourism is an emergent research area focused on slowing the pace of life during vacations. A comprehensive multi-sensory approach can contribute to designing enhanced slow tourism experiences deemed accessible, both in situ and remotely. There is a research gap in considering multi-sensory stimuli in the design of accessible tourism experiences using technology. As such, this research intends to propose a theoretical framework focused on the development of slow tourism through sensory cues and smart technologies. In so doing, a critical approach to literature was carried out by intersecting three areas of literature following the rationale of the Stimuli-Organism-Response model: slow tourism, multi-sensory tourism experiences design, and smart destinations. The significance of this framework is threefold: it strengthens local identities and aids sustainable tourism by involving the community; it promotes experiences deemed authentic considering multiple stakeholders’ perspectives; and it addresses the visitor experience before, during and after the visit to the destination in an accessible manner using smart technologies. A framework with six steps is offered based on participatory methods.

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Uchida and Onoe. "4D Printing of Multi-Hydrogels Using Direct Ink Writing in a Supporting Viscous Liquid." Micromachines 10, no. 7 (June 30, 2019): 433. http://dx.doi.org/10.3390/mi10070433.

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We propose a method to print four-dimensional (4D) stimuli-responsive hydrogel structures with internal gaps. Our 4D structures are fabricated by printing an N-isopropylacrylamide-based stimuli-responsive pre-gel solution (NIPAM-based ink) and an acrylamide-based non-responsive pre-gel solution (AAM-based ink) in a supporting viscous liquid (carboxymethyl cellulose solution) and by polymerizing the printed structures using ultraviolet (UV) light irradiation. First, the printed ink position and width were investigated by varying various parameters. The position of the printed ink changed according to physical characteristics of the ink and supporting liquid and printing conditions including the flow rates of the ink and the nozzle diameter, position, and speed. The width of the printed ink was mainly influenced by the ink flow rate and the nozzle speed. Next, we confirmed the polymerization of the printed ink in the supporting viscous liquid, as well as its responsivity to thermal stimulation. The degree of polymerization became smaller, as the interval time was longer after printing. The polymerized ink shrunk or swelled repeatedly according to thermal stimulation. In addition, printing multi-hydrogels was demonstrated by using a nozzle attached to a Y shape connector, and the responsivity of the multi-hydrogels to thermal-stimulation was investigated. The pattern of the multi-hydrogels structure and its responsivity to thermal-stimulation were controlled by the flow ratio of the inks. Finally, various 4D structures including a rounded pattern, a spiral shape pattern, a cross point, and a multi-hydrogel pattern were fabricated, and their deformations in response to the stimuli were demonstrated.

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Sun, Yanjia, Hasan Ayaz, and Ali N. Akansu. "Multimodal Affective State Assessment Using fNIRS + EEG and Spontaneous Facial Expression." Brain Sciences 10, no. 2 (February 6, 2020): 85. http://dx.doi.org/10.3390/brainsci10020085.

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Human facial expressions are regarded as a vital indicator of one’s emotion and intention, and even reveal the state of health and wellbeing. Emotional states have been associated with information processing within and between subcortical and cortical areas of the brain, including the amygdala and prefrontal cortex. In this study, we evaluated the relationship between spontaneous human facial affective expressions and multi-modal brain activity measured via non-invasive and wearable sensors: functional near-infrared spectroscopy (fNIRS) and electroencephalography (EEG) signals. The affective states of twelve male participants detected via fNIRS, EEG, and spontaneous facial expressions were investigated in response to both image-content stimuli and video-content stimuli. We propose a method to jointly evaluate fNIRS and EEG signals for affective state detection (emotional valence as positive or negative). Experimental results reveal a strong correlation between spontaneous facial affective expressions and the perceived emotional valence. Moreover, the affective states were estimated by the fNIRS, EEG, and fNIRS + EEG brain activity measurements. We show that the proposed EEG + fNIRS hybrid method outperforms fNIRS-only and EEG-only approaches. Our findings indicate that the dynamic (video-content based) stimuli triggers a larger affective response than the static (image-content based) stimuli. These findings also suggest joint utilization of facial expression and wearable neuroimaging, fNIRS, and EEG, for improved emotional analysis and affective brain–computer interface applications.

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Sheng, Jie, Shengkun Jiang, Tie Geng, Zhengqiang Huang, Jiquan Li, and Lin Jiang. "Ultrarobust Actuator Comprising High-Strength Carbon Fibers and Commercially Available Polycarbonate with Multi-Stimulus Responses and Programmable Deformation." Polymers 16, no. 8 (April 19, 2024): 1144. http://dx.doi.org/10.3390/polym16081144.

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Polymer-based actuators have gained extensive attention owing to their potential applications in aerospace, soft robotics, etc. However, poor mechanical properties, the inability of multi-stimuli response and programmable deformation, and the costly fabrication procedure have significantly hindered their practical application. Herein, these issues are overcome via a simple and scalable one-step molding method. The actuator is fabricated by hot-pressing commercial unidirectional carbon fiber/epoxy prepregs with a commodity PC membrane. Notable CTE differences between the CF and PC layers endow the bilayer actuator with fast and reliable actuation deformation. Benefiting from the high strength of CF, the actuator exhibits excellent mechanical performance. Moreover, the anisotropy of CF endows the actuator with design flexibility. Furthermore, the multifunction of CF makes the actuator capable of responding to thermal, optical, and electrical stimulation simultaneously. Based on the bilayer actuator, we successfully fabricated intelligent devices such as light-driven biomimetic flowers, intelligent grippers, and gesture-simulating apparatuses, which further validate the programmability and multi-stimuli response characteristics of this actuator. Strikingly, the prepared gripper possesses a grasping capacity approximately 31.2 times its own weight. It is thus believed that the concept presented paves the way for building next-generation robust robotics.

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Tovell, Hannah, and Alexandra C. Newton. "Protein kinase C showcases allosteric control: activation of LRRK1." Biochemical Journal 480, no. 3 (February 10, 2023): 219–23. http://dx.doi.org/10.1042/bcj20220507.

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Allosteric regulation of multi-domain protein kinases provides a common mechanism to acutely control kinase activity. Protein kinase C serves as a paradigm for multi-domain proteins whose activity is exquisitely tuned by interdomain conformational changes that keep the enzyme off in the absence of appropriate stimuli, but unleash activity in response to second messenger binding. Allosteric regulation of protein kinase C signaling has been optimized not just for itself: Alessi and colleagues discover that protein kinase C phosphorylates LRRK1, a kinase with even more domains, at sites on its CORB GTPase domain to allosterically activate LRRK1.