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Journal articles on the topic 'Pt probe'

Author: Grafiati

Published: 22 June 2024

Last updated: 31 July 2025

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1

Freitas, João R., Sara Pimenta, Diogo J. Santos, Bruno Esteves, Nuno M. Gomes, and José H. Correia. "Flexible Neural Probe Fabrication Enhanced with a Low-Temperature Cured Polyimide and Platinum Electrodeposition." Sensors 22, no. 24 (2022): 9674. http://dx.doi.org/10.3390/s22249674.

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Polyimide is an emerging and very interesting material for substrate and passivation of neural probes. However, the standard curing temperature of polyimide (350 °C) is critical for the microelectrodes and contact pads of the neural probe, due to the thermal oxidation of the metals during the passivation process of the neural probe. Here, the fabrication process of a flexible neural probe, enhanced with a photosensitive and low-temperature cured polyimide, is presented. Annealing tests were performed with metallic films deposited on polyimide, which led to the reduction of the curing temperatu

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2

Xu, Zong Wei, Feng Zhou Fang, and Xiao Tang Hu. "Fabrication of Carbon Nanotube Probes in Atomic Force Microscopy." Advanced Materials Research 76-78 (June 2009): 497–501. http://dx.doi.org/10.4028/www.scientific.net/amr.76-78.497.

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Carbon nanotube (CNT) probe used in atomic force microscopy (AFM) was fabricated by using electron beam induced Pt deposition method. The bonding force for CNT probe was found to be larger than 500nN. The nanotube probe’s length was shortened by focused ion beam milling process. It is confirmed that the CNT probe shows higher aspect ratio than the Si probe. The nanotube probes with fullerene-like cap end present higher imaging resolution than those with open end.

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3

Middleton, Christine. "Laser pulses probe quantum beats." Physics Today 75, no. 3 (2022): 18–20. http://dx.doi.org/10.1063/pt.3.4957.

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4

Li, Michelle S. M., Fraser P. Filice, and Zhifeng Ding. "Submicron probes for scanning electrochemical microscopy." Canadian Journal of Chemistry 96, no. 3 (2018): 328–35. http://dx.doi.org/10.1139/cjc-2017-0611.

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To improve the spatial resolutions of scanning electrochemical microscopy (SECM) imaging, the laser-pulled submicron electrode fabrication method was explored in this work. Manual polishing of a laser-pulled Pt nanoelectrode exposed a Pt tip diameter of 250 nm with a ratio of the tip glass to exposed Pt disc (RG) of 30. This fabricated submicron probe was then utilized to study the electrochemical functionality of an independently addressable microband electrodes (IAME) sample using SECM. In the constant imaging mode of SECM, where the probe is scanned linearly across the sample at a fixed z p

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5

Benka, Stephen. "Optical pump-probe diagnosis for melanoma?" Physics Today 64, no. 7 (2011): 18. http://dx.doi.org/10.1063/pt.3.1154.

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6

Blau, Steven K. "An optical probe of quantum gravity?" Physics Today 65, no. 5 (2012): 19. http://dx.doi.org/10.1063/pt.3.1546.

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7

Pu, J., X. L. Hu, J. Liao, et al. "Achievement of linear response for competitive bioaffinity assays of ligands: criteria of optimized interaction systems." RSC Advances 6, no. 112 (2016): 110858–65. http://dx.doi.org/10.1039/c6ra06426d.

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For a linear response, an optimized competitive bioaffinity assay of a ligand requiresC<sub>RT</sub>> 3 ×C<sub>PT</sub>,C<sub>PT</sub>> 50 ×K<sub>dR</sub>, andK<sub>dR</sub>> 260 ×K<sub>dX</sub>(C<sub>RT</sub>andC<sub>PT</sub>are concentrations of the probe and protein whileK<sub>dX</sub>andK<sub>dR</sub>areK<sub>d</sub>for the ligand and probe, respectively).

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8

Castanon, Elisa G., Alexander Fernández Scarioni, Hans W. Schumacher, et al. "Calibrated Kelvin-probe force microscopy of 2D materials using Pt-coated probes." Journal of Physics Communications 4, no. 9 (2020): 095025. http://dx.doi.org/10.1088/2399-6528/abb984.

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Zhukov, M. V., F. E. Komissarenko, and A. M. Mozharov. "Kelvin probe force microscopy with high aspect ratio Pt/C nanowhisker probes." Journal of Physics: Conference Series 1135 (December 2018): 012040. http://dx.doi.org/10.1088/1742-6596/1135/1/012040.

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10

Zanetti, Chiara, Liang Li, Rafael Di Lazaro Gaspar, et al. "Susceptibility of the Different Oxygen-Sensing Probes to Interferences in Respirometric Bacterial Assays with Complex Media." Sensors 24, no. 1 (2024): 267. http://dx.doi.org/10.3390/s24010267.

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Respirometric microbial assays are gaining popularity, but their uptake is limited by the availability of optimal O2 sensing materials and the challenge of validating assays with complex real samples. We conducted a comparative evaluation of four different O2-sensing probes based on Pt-porphyrin phosphors in respirometric bacterial assays performed on standard time-resolved fluorescence reader. The macromolecular MitoXpress, nanoparticle NanO2 and small molecule PtGlc4 and PtPEG4 probes were assessed with E. coli cells in five growth media: nutrient broth (NB), McConkey (MC), Rapid Coliform Ch

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11

Han, Juyeon, Jungsik Choi, Hyeonyeong Jeong, et al. "Impact of Impedance Levels on Recording Quality in Flexible Neural Probes." Sensors 24, no. 7 (2024): 2300. http://dx.doi.org/10.3390/s24072300.

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Flexible neural probes are attractive emerging technologies for brain recording because they can effectively record signals with minimal risk of brain damage. Reducing the electrode impedance of the probe before recording is a common practice of many researchers. However, studies investigating the impact of low impedance levels on high-quality recordings using flexible neural probes are lacking. In this study, we electrodeposited Pt onto a commercial flexible polyimide neural probe and investigated the relationship between the impedance level and the recording quality. The probe was inserted i

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12

Day, Charles. "A new probe for a changing constant." Physics Today 68, no. 12 (2015): 24. http://dx.doi.org/10.1063/pt.3.3007.

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13

Zerdoumi, Ridha, Thomas Quast, Emmanuel Batsa Tetteh, et al. "Integration of Scanning Electrochemical Microscopy and Scanning Electrochemical Cell Microscopy in a Bifunctional Nanopipette toward Simultaneous Mapping of Activity and Selectivity in Electrocatalysis." Analytical Chemistry 96, no. 27 (2024): 10886–92. https://doi.org/10.1021/acs.analchem.4c00149.

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Scanning electrochemical microscopy (SECM) and scanning electrochemical cell microscopy (SECCM) were integrated in a single bifunctional probe for simultaneous mapping of the oxygen reduction current and the oxidation current of the produced H<sub>2</sub>O<sub>2</sub>. The dual probe is fabricated from a double-barrel θ capillary, comprising one open barrel filled with the electrolyte and another filled with pyrolytic carbon. Pt is deposited with a gas injection system (GIS) at the end of the carbon barrel. The probe integrates the advantages of both SECM and SECCM by forming an electroc

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14

Rodier, Jean-François, Michel Velten, Marc Wilt, et al. "Prospective Multicentric Randomized Study Comparing Periareolar and Peritumoral Injection of Radiotracer and Blue Dye for the Detection of Sentinel Lymph Node in Breast Sparing Procedures: FRANSENODE Trial." Journal of Clinical Oncology 25, no. 24 (2007): 3664–69. http://dx.doi.org/10.1200/jco.2006.08.4228.

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Purpose To determine the optimal injection path for blue dye and radiocolloid for sentinel lymph node (SLN) biopsy in early breast cancer. Patients and Methods A prospective randomized multicentric study was initiated to compare the peritumoral (PT) injection site to the periareolar (PA) site in 449 patients. Results The detection rate of axillary SLN by lymphoscintigraphy was significantly higher (P = .03) in the PA group (85.2%) than in the PT group (73.2%). Intraoperative detection rate by blue dye and/or gamma probe was similar (99.11%) in both groups. The rate of SLN detection was somewha

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15

Zhang, Bo, Xiang Zhao Zhang, Hui Wang, Gui Wu Liu, Hai Cheng Shao, and Guan Jun Qiao. "Preparation and Resistivity of Zirconia Oxygen Sensor Probe." Key Engineering Materials 697 (July 2016): 267–70. http://dx.doi.org/10.4028/www.scientific.net/kem.697.267.

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A ZrO2/Al2O3 (molar ratio of 1: 1, ZA) composite ceramic was formed by slip casting as solid electrolyte in a zirconia oxygen sensor. The bonding of the ZA ceramic green body to 95% Al2O3 ceramic green body support tube was carried out at 900 oC for 60 min by the gradient joining technique using pure Al2O3 slurry as the interlayer. Subsequently, the Pt slurry was coated on the surface of the pre-sintered composite ceramic, and then co-sintered at 1550 oC for 60 min to fabricate a Pt/ceramic composite probe. The interface microstructure and bonding mechanism were briefly investigated, and the e

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Kim, Han Hwi, and Hyung-Tae Lim. "Monitoring Internal Oxygen Partial Pressure in YSZ Electrolyte Under Electrolysis Cell Mode Using 4-Electrode System." ECS Meeting Abstracts MA2023-01, no. 54 (2023): 52. http://dx.doi.org/10.1149/ma2023-015452mtgabs.

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When solid oxide cells are operated in electrolysis mode, high oxygen pressures can be developed in electrolyte near the oxygen electrode/ electrolyte interface, leading to oxygen electrode delamination. Monitoring oxygen partial pressure in the electrolyte is necessary for the prevention of catastrophic failure in solid oxide electrolysis cells (SOECs). In this study, we applied four-electrode system to fuel electrode-supported SOECs. Four–electrode consists of air electrode, fuel electrode, Pt probe embedded in electrolyte and Pt reference electrode on the electrolyte edge. We measured inter

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17

Yang, Jing, Lili Sun, Liang Hao, et al. "A halogen ion-selective phosphorescence turn-on probe based on induction of Pt–Pt interactions." Chemical Communications 55, no. 75 (2019): 11191–94. http://dx.doi.org/10.1039/c9cc05093k.

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18

Миронов, В. Л., Р. В. Горев, О. Л. Ермолаева, Н. С. Гусев та Ю. В. Петров. "Воздействие поля зонда магнитно-силового микроскопа на скирмионное состояние в модифицированной пленке Co/Pt с перпендикулярной анизотропией". Физика твердого тела 61, № 9 (2019): 1644. http://dx.doi.org/10.21883/ftt.2019.09.48104.07n.

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We present the experimental magnetization reversal of artificial magnetic skyrmions in a Co/Pt multilayer film with perpendicular magnetization by a magnetic force microscope probe. The sample was a Co/Pt film containing an array of cylindrical regions with reduced anisotropy, which were modified by a focused He+ ion beam. The magnetic state of the sample was monitored by magnetic force microscopy. The local magnetization reversal was performed by the field of magnetic force microscope probe passing over the sample at low height. The effects of magnetostatic interaction between the probe field

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19

Blau, Steven K. "Gravity Probe B concludes its 50-year quest." Physics Today 64, no. 7 (2011): 14–16. http://dx.doi.org/10.1063/pt.3.1150.

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20

Li, Tong, Paul A. J. Bagot, Elvis Christian, et al. "Atomic Imaging of Carbon-Supported Pt, Pt/Co, and Ir@Pt Nanocatalysts by Atom-Probe Tomography." ACS Catalysis 4, no. 2 (2014): 695–702. http://dx.doi.org/10.1021/cs401117e.

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21

Chen, Ben-Qi, Meng Yang, Wen-Chun Liao, et al. "A Sensitive Electrochemical Aptasensor for Ochratoxin A Detection Based on Double Cascade Amplification Strategy with Nb.BbvCI-Driven DNA Walker and Porous Co₃O₄ Nanozyme." Journal of Biomedical Nanotechnology 18, no. 6 (2022): 1585–95. http://dx.doi.org/10.1166/jbn.2022.3369.

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Developing a strategy for the determination of trace ochratoxin A (OTA) in food is very important to ensure food safety. Here, based on a tripod probe, an electrochemical aptasensing platform for detected OTA sensitively was designed, which used the 3D DNA walker by endonuclease Nb.BbvCI powered and the nanozyme of porous Co3O4 nanodisks loaded Pt nanoparticles (Pt NPs@Co3O4) as a cascaded signal amplifying device. With OTA as a model target, the swing-arm probe of DNA walker was triggered. Next, probe on the magnetic beads was cleaved and released by Nb.BbvCI to realize the first signal ampli

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22

Poh, H. Y., C. C. I. Ang, T. L. Jin, et al. "Continuous film spin–orbit torque characterization via four probe measurement." Applied Physics Letters 121, no. 1 (2022): 012405. http://dx.doi.org/10.1063/5.0092471.

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Spin–orbit torque (SOT) characterization techniques generally require the Hall cross that generally demands lithography resources and time. It is highly desirable to characterize SOT efficiencies with minimal sample processing time. Here, we demonstrate a lithography-free technique to determine the spin–orbit torque efficiency in a perpendicular magnetic anisotropy ferromagnetic heterostructure. By utilizing a customized four-point probe in a rhombus geometry, harmonic Hall measurement was performed on continuous films of a Pt/Co/Ti structure to characterize the spin–orbit torque efficiency. A

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23

Liu, Chih Yi, Yu Chen Li, Chun Hung Lai, and Shih Kun Liu. "Influence of SiO₂ Layer on Resistive Switching Properties of SiO₂/Cu_XO Stack Structure." Materials Science Forum 687 (June 2011): 106–11. http://dx.doi.org/10.4028/www.scientific.net/msf.687.106.

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CuxO and SiO2thin films were deposited using a radio-frequency magnetron sputter on Pt/Ti/SiO2/Si substrates to form SiO2/CuxO/Pt and CuxO/Pt structures. The current-voltage characteristics were measured by DC voltage sweeping using a tungsten (W) probe. The two structures needed a large voltage to initiate the first resistive switching; this sweep was called the forming process. Afterwards, the resistances of the two structures could be switched reversibly between the low-resistance-state (LRS) and high-resistance-state (HRS) by applying a DC voltage. The conduction mechanisms of the LRS and

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24

Luo, Jin Ming. "Resistive Switching in NiO/BiFeO₃ Thin Film." Key Engineering Materials 723 (December 2016): 439–43. http://dx.doi.org/10.4028/www.scientific.net/kem.723.439.

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NiO/BiFeO3 thin film has been deposited on Pt/Ti/SiO2/Si substrate by sol-gel method. The structure of thin film is analyzed by X-ray diffraction, and the result of X-ray diffraction shows that a perovskite crystal structure can be well-grown on Pt/Ti/SiO2/Si substrate. In addition, the surface morphology is characterized by a scanning probe microscope, and the image of scanning probe microscope indicates a good crystalline quality of NiO/BFO thin film. Moreover, the current-voltage properties are also measured by a semiconductor characterization system, and the stable and reproducible nonvola

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Liu, Jing, Qiongqiong Yu, Guangying Zhao, and Wenchao Dou. "A Au@Pt bimetallic nanoparticle and blue silica nanoparticle nanocomposite as a probe of immunochromatographic assay for HBsAg detection." Analytical Methods 11, no. 48 (2019): 6103–10. http://dx.doi.org/10.1039/c9ay02088h.

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In this article, a sensitive, visual and quantitative immunochromatographic assay (ICA) is described by using a novel Au@Pt-nanoparticle-decorated blue-silica-nanoparticle nanocomposite (Au@Pt/blue SiNPs) as a reporter probe.

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26

Lin, Jium Ming, and Po Kuang Chang. "A Novel Remote Health Monitor with Replaceable Non-Fragile Bio-Probes on RFID Tag." Applied Mechanics and Materials 145 (December 2011): 415–19. http://dx.doi.org/10.4028/www.scientific.net/amm.145.415.

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Conventional bio-probes are produced on a silicon substrate, they are not only fragile but unable to dispose according to the profile of human body in a large area manner, and thus the contact resistance between probe and skin may be increased. Besides, the signal processing devices are required to improve both S/N ratio and impedance matching problems. This paper proposes a novel remote human health monitor and an active RFID tag with replaceable non-frangible probes and thin-film-transistor (TFT) amplifiers. The probes are made of bio-degradable polymer (photo resist) and covered with bio-co

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27

Feder, Toni. "Future gravitational-wave detectors aim to probe early universe." Physics Today 71, no. 10 (2018): 25–27. http://dx.doi.org/10.1063/pt.3.4041.

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28

Kumar, S., P. Kumar, and R. Pratap. "Reliability Failure in Microelectronic Interconnects by Electric Current Induced Chemical Reaction." IOP Conference Series: Materials Science and Engineering 1206, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1757-899x/1206/1/012026.

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Abstract The electric field-induced chemical reaction in Cr thin film by a micro/nano-probe has been recently reported with detailed characterization. Although the phenomenon is employed for micro-nano fabrication, this can act as a reliability failure, where Cr is used as an adhesion layer or main interconnects in microelectronic circuits. Here, we present an investigation on the role of electric current density for such failure using a specifically designed sample. A 100 μm width and 100 nm thin Cr film is deposited perpendicular to the Pt film of similar dimensions. The anode probe (20 μm d

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Spalding, Eckhart, Denis Defrère, and Steve Ertel. "Unveiling exozodiacal light." Physics Today 75, no. 4 (2022): 46–52. http://dx.doi.org/10.1063/pt.3.4982.

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30

Pérez-Bitrián, Alberto, Miguel Baya, José M. Casas, Antonio Martín, and Babil Menjón. "Hydrogen bonding to metals as a probe for an inverted ligand field." Dalton Transactions 50, no. 16 (2021): 5465–72. http://dx.doi.org/10.1039/d1dt00597a.

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The M⋯HO axial interaction in the isoleptic and isoelectronic square-planar compounds [(CF<sub>3</sub>)<sub>3</sub>Pt(hq)]<sup>−</sup> and (CF<sub>3</sub>)<sub>3</sub>Au(hq) turns from attractive (M = Pt) to repulsive (M = Au), evidencing ligand-field inversion when going from Pt to Au.

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31

Raouafi, Nour E. "A journey to touch the Sun." Physics Today 75, no. 11 (2022): 28–34. http://dx.doi.org/10.1063/pt.3.5120.

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32

Feder, Toni. "Rare isotopes will be used to probe mysteries, yield applications." Physics Today 68, no. 2 (2015): 23. http://dx.doi.org/10.1063/pt.3.2682.

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33

Huang, Liliang, Peng-Cheng Chen, Mohan Liu, et al. "Catalyst design by scanning probe block copolymer lithography." Proceedings of the National Academy of Sciences 115, no. 15 (2018): 3764–69. http://dx.doi.org/10.1073/pnas.1800884115.

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Scanning probe block copolymer lithography (SPBCL), in combination with density-functional theory (DFT), has been used to design and synthesize hydrogen evolution catalysts. DFT was used to calculate the hydrogen adsorption energy on a series of single-element, bimetallic, and trimetallic (Au, Pt, Ni, and Cu) substrates to provide leads that could be synthesized in the form of alloy or phase-separated particles via SPBCL. PtAuCu (18 nm, ∼1:1:1 stoichiometry) has been identified as a homogeneous alloy phase that behaves as an effective hydrogen evolution catalyst in acidic aqueous media, even w

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34

Polanco Adames, Delvi Antonio, Jianpeng Dou, Ji Lin, Gengjun Zhu, and Huijun Li. "Nonlinear Optical Potential with Parity-Time Symmetry in a Coherent Atomic Gas." Symmetry 14, no. 6 (2022): 1135. http://dx.doi.org/10.3390/sym14061135.

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We propose a scheme to realize a parity-time (PT) symmetric nonlinear system in a coherent atomic gas via electromagnetically induced transparency. We show that it is possible to construct an optical potential with PT symmetry due to the interplay among the Kerr nonlinearity stemmed from the atom-photon interaction, the linear potential induced by a far-detuned Stark laser field, and the optical gain originated from an incoherent pumping. Since the real part of the PT-symmetric potential depends only on the intensity of the probe field, the potential is nonlinear and its PT-symmetric propertie

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35

Horvat-Radošević, V., and K. Kvastek. "Role of Pt-probe pseudo-reference electrode in impedance measurements of Pt and polyaniline (PANI) modified Pt electrodes." Journal of Electroanalytical Chemistry 591, no. 2 (2006): 217–22. http://dx.doi.org/10.1016/j.jelechem.2006.03.042.

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36

Filez, Matthias, Evgeniy A. Redekop, Vladimir V. Galvita, et al. "The role of hydrogen during Pt–Ga nanocatalyst formation." Physical Chemistry Chemical Physics 18, no. 4 (2016): 3234–43. http://dx.doi.org/10.1039/c5cp07344h.

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37

Ankudinov, A. L., J. J. Rehr, J. J. Low, and S. R. Bare. "PtL-edge XANES as a probe of Pt clusters." Journal of Synchrotron Radiation 8, no. 2 (2001): 578–80. http://dx.doi.org/10.1107/s0909049500016046.

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38

Choi, A. Ram, Sang Sik Choi, Jung Hyun Kim, Sang Hoon Kim, and Kyu Hwan Shim. "Nickel-Based Germanosilicide of Heavily-Doped SiGe Films for Low Resistance and High-Temperature Stability." Solid State Phenomena 124-126 (June 2007): 279–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.279.

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We have studied thermo-electrical properties for Ni-based germanosilicide to understand the influence of temperature on the evolution of sheet resistance and micro-structures of contacts on heavily-doped SiGe grown by reduced pressure chemical vapor deposition. After the deposition of Ni, Ni/Ti, Ni/Pt films on Si0.83Ge0.17 epi layer and subsequently annealing for silicide reaction, we analyzed sheet resistance, surface roughness and reaction interfaces using four point probe method, scanning probe micrograph and transmission electron microscope. Bi-layer metal structures of Ni/Ti and Ni/Pt wer

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Aydın, A., C. Tassci, K. Atila, et al. "The role of gamma probe activity counts in minimally invasive parathyroidectomy." Nuklearmedizin 43, no. 06 (2004): 190–94. http://dx.doi.org/10.1055/s-0038-1623915.

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Summary Aim: The benefit of preoperative gamma probe in the diagnosis of adenoma in patients with histopathologically proven parathyroid (PT) adenomas was examined. Patients, material, methods: 20 patients with positive 99mTc MIBI uptake in PT scintigraphy with primary hyper-parathyroidism were enrolled in this study. 740 MBq 99mTc MIBI were injected 3 h before operation. Counts of four PT regions were obtained with gamma probe before surgery in the operation room. All suspected PT adenomas were resected and histopathologically diagnosed as adenomas. We also obtained counts of the resection re

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Nowack, Marko H., and Bo W. Laursen. "Fluorescence Lifetime Based Probes for Water Mediated Proton Transfer and Weak Bases." ChemPhotoChem, July 22, 2025. https://doi.org/10.1002/cptc.202500183.

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A new concept for fluorescent probes capable of reporting on the concentrations of weak bases in aqueous solution was recently reported, and suggested as a potential tool for studying cellular buffer systems and metabolite pools (Jakobsen et al., Chem Sci, 2025, 16, 7450). These probes are based on proton coupled electron transfer (PCET) quenching of a phenol substituted diazaoxatriangulenium (DAOTA+) fluorophore, promoted by the weak bases acting as proton acceptors for the phenol group. The fluorescence lifetime is reduced as function of the proton transfer (PT) rate and base concentration.

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"Gravity probe falters." Physics Today, 2006. http://dx.doi.org/10.1063/pt.5.020709.

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"Japan launches lunar probe." Physics Today, 2007. http://dx.doi.org/10.1063/pt.5.021480.

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"Space probe photographs asteroid." Physics Today, 2010. http://dx.doi.org/10.1063/pt.5.024492.

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"Laser pulses probe quantum beats." Physics Today 2022, no. 1 (2022): 0125a. http://dx.doi.org/10.1063/pt.6.1.20220125a.

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"Probe makes encounter with Venus." Physics Today, 2006. http://dx.doi.org/10.1063/pt.5.020007.

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"Scientists probe 'hole in Earth'." Physics Today, 2007. http://dx.doi.org/10.1063/pt.5.020901.

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"Marine Geophysicists Probe Sea Floor." Physics Today, 2007. http://dx.doi.org/10.1063/pt.5.021060.

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"MESSENGER probe enters orbit around Mercury." Physics Today, 2011. http://dx.doi.org/10.1063/pt.5.025148.

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"Gravity Probe B proves Einstein right." Physics Today, 2011. http://dx.doi.org/10.1063/pt.5.025283.

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"An optical probe of quantum gravity?" Physics Today, March 22, 2012. http://dx.doi.org/10.1063/pt.4.0374.

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