The thermogenic actions of natriuretic peptide in
The temperature-dependent change in the fluorescence intensity ratio of the cellular thermoprobe was observed at 605 to 525 nm (FI 605/FI 525), indicating that the fluorescence ratio
Temperature nanosensors for smart manufacturing
Engine temperature nanosensors are installed in the coolant circuit to measure the temperature variation of the engine, usually from − 40°C to + 130°C. The air temperature nanosensor is installed in the intake manifold and is used to detect the temperature of the engine intake air in the range from − 40°C to + 120°C.
A potential temperature-sensitive fluorescent material based on thermal coupling effect for temperature
Fluorescent temperature sensor is a new temperature measurement technology with high-precision, fast response and no space limitation. In this work, we report a steady temperature-sensitive luminescent material Ca8 Al 2 (1-x) (PO 4) 6 SiO 4: x Dy 3+ (0 ≤ x ≤ 0.13).
(PDF) Fluorescence temperature measurements: Methodology for
An arrangement of fluorescence temperature measurement equipment [29 Nonradiative energy transfer (NET) was used to study polymer association in solutions. The efficiency of NET for mixtures
Planar laser induced fluorescence for temperature measurement of optical thermocavitation
Two imaging methods are employed to observe the temperature field surrounding cavitation bubbles: shadowgraph imaging, which provided high-framerate (10 4 fps) qualitative observation of temperature within the liquid, and planar-laser-induced fluorescence (PLIF) imaging, which gave quantitative temperature measurements at a
Fluorescence temperature sensing of NaYF 4:Yb 3+/Tm
Under 808 nm excitation, it can produce strong upconversion fluorescence. At the same time, the nanoparticles have good temperature sensing properties at the thermally coupled energy levels of 700 and 646 nm for Tm 3+. Using its fluorescence intensity ratio, accurate temperature measurements can be performed,
Review—Online Monitoring of Internal Temperature in Lithium
In this paper, starting from the thermal runaway safety problem faced by Li-ion batteries, we analyze the heat generation principle and temperature effect during
Chlorophyll fluorescence, non-photochemical quenching and
According to the NPQ protocol, the plant tissue was exposed to actinic light for 60 s. On the top of the actinic light, every 12 s (5 pulses during actinic illumination) saturation flashes were applied, in order to predict the non-photochemical quenching (NPQ) (Bilger and Björkman, 1990) and to calculate additionally many other technical
A microfiber temperature sensor based on fluorescence lifetime
In summary, a fluorescence lifetime temperature sensor with a diameter of 2 μ m has been proposed and demonstrated. Compared with the intensity-based temperature sensor, stability of the lifetime-based sensor has been improved 20 times. Meanwhile, the simulations and experiments show the response speed of the micro
Fluorescence Temperature Measurements: Methodology for
In this paper, we address several experimental design issues: (a) the supportive role of fluorescence anisotropy measurements to the measuring concept, (b) the
A first elemental pattern and geo-discrimination of Italian EVOO
XRF Measurements and data acquisition. Measurements are carried out with the XRaman instrumentation [20]. It is a portable spectrometer designed to carry out in-situ, fast and non-destructive combined elemental, and molecular analyses, by the complementary EDXRF and Raman techniques. Here, only the EDXRF system is
The thermogenic actions of natriuretic peptide in brown
The temperature-dependent change in the fluorescence intensity ratio of the cellular thermoprobe was observed at 605 to 525 nm (FI 605/FI 525), indicating that the fluorescence ratio measured by
Ratiometric fluorescence temperature sensing of dual
Fig. 3 exhibits the infrared spectra (FT-IR) of Eu 1-x Tb x-BTC can be found that all the samples have similar spectra, further indicating similar structures and coordination relationships. Taking Eu-BTC as an example from Fig. 3 (a), the wide stretching of Eu-BTC appearing in the interval of 3700–2600 cm −1 may be attributed to the
Ratiometric Fluorescence Optical Fiber Enabling Operando
Herein, a ratiometric fluorescence optical fiber is developed and real-time temperature monitoring is performed with a measurement accuracy of 0.12 °C, and the feasibility based on this polymer optical fiber composed of NaLaTi 2 O 6 :Yb/Er
Planar laser induced fluorescence for temperature measurement
Two imaging methods are employed to observe the temperature field surrounding cavitation bubbles: shadowgraph imaging, which provided high-framerate (10 4 fps) qualitative observation of temperature within the liquid, and planar-laser-induced fluorescence (PLIF) imaging, which gave quantitative temperature measurements at a
Applied Sciences | Free Full-Text | Planar Laser Induced
In view of the uncertainty in the calibration process of two-color plane laser-induced fluorescence (PLIF) temperature measurement, a new calibration method is proposed, in which the
Novel digital iteration algorithm for fluorescence lifetime measurement
The iteration process to determine the fluorescence lifetime of a ruby probe under working temperature of 25 °C at which FL should be 3.2 ms, (a) the initial fluorescence decay curve, (b) the 1st iteration computation using T(1) = T 0 /4 (c) the 2nd iteration computation using T(2) = 3T 0 /8, (d) the final iteration computation using T(8
Temperature sensing using fluorescent nanothermometers
The nanothermometer is based on the temperature-sensitive fluorescence of NaYF (4):Er (3+),Yb (3+) nanoparticles, where the intensity ratio of the green fluorescence bands of the Er (3+) dopant ions ( (2)H (11/2) --> (4)I (15/2) and (4)S (3/2) --> (4)I (15/2)) changes with temperature. The nanothermometers were first used
PERFORMANCE INVESTIGATION OF THERMAL MANAGEMENT
The energy storage consists of the cabinet itself, the battery for energy storage, the BMSS to control the batteries, the panel, and the air conditioning to maintain the battery
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An integrated model of soil-canopy spectral radiances, photosynthesis, fluorescence, temperature and energy balance . to help interpret canopy fluorescence measurements, and to study the relationships between synoptic observations with diurnally integrated quantities. The model has been implemented in Matlab and has a modular
(PDF) Fluorescence temperature measurements: Methodology for applications
The fluorescence technique involves doping the polymers with a temperature sensitive dye. Temperature is derived from changes in the fluorescence spectrum (Bur and Roth, 2004).).
Ratiometric fluorescence temperature sensing based on thermal
In this work, we elaborately selected the [1,1′-biphenyl]-3,5-dicarboxylic acid (H 2 BPDA) with a high triplet state energy level (T 1 = 25,269 cm −1) and narrow emission band as a linker, and Dy 3+ ions with TCELs as a luminescent center to synthesize a novel S''LnMOF, DyBPDA, for ratiometric fluorescence temperature sensing by a very
Comparison of NO and OH planar fluorescence temperature measurements
The use of nitric oxide (NO) and the hydroxyl radical (OH) as temperature tracers, in a two-line planar laser-induced fluorescence technique, is examined in the context of a supersonic mixing and combustion flowfield. The temperature measurements were based on the sequential excitation of two transitions, either in the A implied by X
Temperature Measurement, Methods | SpringerLink
Principle. Infrared (IR) thermography is a non-intrusive, two-dimensional technique for the whole-field measurement of surface temperature. An infrared scanning radiometer (IRSR) detects the electromagnetic energy radiated in the IR spectral band by the surface of interest and converts it into an electronic signal.
LOFTS: Liquid core capillary based optical fiber fluorescence
We develop LOFTS as a new type of fiber thermometer. •. LOFTS can be simply, rapidly and cost-effectively fabricated. •. LOFTS can measure temperature of various phase samples. •. LOFTS has high accuracy, good repeatability, stability and reproducibility. •. LOFTS can expand temperature sensing ranges by changing
Applied Sciences | Free Full-Text | Planar Laser Induced Fluorescence
In view of the uncertainty in the calibration process of two-color plane laser-induced fluorescence (PLIF) temperature measurement, a new calibration method is proposed, in which the influence of fluorescence yield is considered. The calibration process was carried out at high and low temperature region, respectively. Then, the bias
Realization of multichannel fluorescent temperature measuring
A new kind of multi-channel fluorescence temperature measuring system has been introduced in this paper and it evidently decrease the average cost of each measurement channel. The use of fluorescence technique for temperature measurement has developed since 1980''s. Such system has many advantages such as protect against
Comparison of NO and OH planar fluorescence temperature measurements in
The use of nitric oxide (NO) and the hydroxyl radical (OH) as temperature tracers, in a two-line planar laser-induced fluorescence technique, is examined in the context of a supersonic mixing and combustion flowfield. The temperature measurements were based on the sequential excitation of two transitions, either in the A implied by X (0,0) band of
Large-Scale Electrochemical Energy Storage in High Voltage Grids: Overview of the Italian
This paper is an overview of the large scale electrochemical storage stationary installations in Italy. Many previous papers [1–24], which are briefly reported in the following,
[PDF] Planar laser induced fluorescence for temperature measurement
DOI: 10.1016/J.EXPTHERMFLUSCI.2019.01.030 Corpus ID: 126900577 Planar laser induced fluorescence for temperature measurement of optical thermocavitation @article{Banks2019PlanarLI, title={Planar laser induced fluorescence for temperature measurement of optical thermocavitation}, author={D. Banks and V.
GdVO4:Er3+/Yb3+ nanocrystalline powder as fluorescence temperature
The temperature sensing properties of an Er 3+ /Yb 3+ co-doped GdVO 4 nanocrystalline powder were studied. The down-conversion emission spectrum of the sample was observed under excitation at 457 nm. Two methods were used to calibrate the temperature of the sample: one based on the Fluorescence Intensity Ratio (FIR)
Interfacial compatible PolyMOF membranes as ratiometric fluorescence temperature
Moreover, after three cycles of temperature cycling (80–300K), the change of fluorescence intensity with temperature is reversible and repeatable (Fig. S11). As shown in Fig. S12, the XRD patterns kept consistent before and after
Photoluminescence and ratiometric fluorescence temperature sensing
Compared with other temperature measurements based on the material''s fluorescence property, Temperature sensing using fluorescent nanothermometers ACS Nano, 4 (2010), pp. 3254-3258 CrossRef View
Introduction to measurement of color of fluorescent materials
2.1. Fluorescence. Fluorescence is a phenomenon that occurs when a substance absorbs radiation of a certain wavelength, or group of wavelengths, and re-emits photons, usually of different wavelength. When certain compounds absorb light, an electron is excited to a higher vibrational energy state.
WO/2023/221150 FLUORESCENCE TEMPERATURE MEASUREMENT
The fluorescence temperature measurement material is prepared by means of a high-temperature solid-phase method, and produces blue luminescence at 492 nm ( 3 P 0 → 3 H 4 ) and red luminescence at 610 nm ( 1 D 2 → 3 H 4 ) under the excitation of 290 nm ultraviolet light. The fluorescence intensity ratio ( 1 D 2 → 3 H 4 / 3 P 0 → 3 H 4
Fluorescence temperature sensing based on thermal enhancement
Temperature sensor based on fluorescence intensity ratio has become the focus of temperature measurement because of its advantages of non-contact and fast
Fluorescence temperature sensing based on thermal
FIR temperature measurements are general based on the diverse luminous intensity of two thermally coupled energy levels in response to temperature to reach real-time temperature measurements. In general, effective energy level thermal coupling will occur when the energy difference between the two energy levels of
Flame temperature measurements by means of atomic fluorescence
If the temperature of one flame is known by other means (for example by the reversal technique), the measurement of the above reported fluorescence transitions can provide a means of calculating the temperature of several other flames. In fact, writing Equation (2) for two temperatures Tf (known) and T^ (unknown), after dividing side by
Fluorescence thermometers: intermediation of fundamental
Herein, we systematically categorize the currently reported fluorescence thermometers based on the aspects of fluorescence intensity and wavelength, reveal
Preparation of NaYF4: Yb3+/Tm3+@NaYF4@β-CD
Comparing thermocouple energy level temperature measurement with non-thermocouple energy level temperature measurement. • The maximum values of S a and S r and the minimum values of δT reached 0.1179 K-1, 2.19 %K −1 and 0.00019 K. • Temperature testing of this material in a practical environment is feasible, reliable and
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