Introduction to Fluorescence Response
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Fluorescence Response sentence examples within metal organic framework
Then, a ratiometric fluorescence sensor was constructed by in situ growth of CsPb(BrI)3@Asp-Cs4Pb(BrI)6 in metal organic framework (NH2-MIL-53) for the detection of BDE-3, in which the orange fluorescence of CsPb(BrI)3@Asp-Cs4Pb(BrI)6 (614 nm) was regarded as the reference signal and the cyan fluorescence of NH2-MIL-53 (494 nm) was used as the fluorescence response signal.
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To address this, herein, we report a new hydrolytically stable luminescent Zn(ii) based cationic metal organic framework (MOF), iMOF-4C, which further successfully exhibited a rare dual "turn off/on" fluorescence response toward Cr(vi), As(v) and As(iii) based oxo-anions respectively in water medium.
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Fluorescence Response sentence examples within photoinduced electron transfer
Metal detection in living cells will be highlighted with representative examples together with fluorescence response mechanisms such as photoinduced electron transfer (PET), intramolecular charge transfer (ICT), and fluorescence resonance energy transfer (FRET).
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Interestingly, the probe BP gave a turn-on fluorescence response by shutting the photoinduced electron transfer (PET) effect and extending the coplanar conjugated π-system.
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Fluorescence Response sentence examples within chelation enhanced fluorescence
However, in the presence of Zinc (II) ion, C N isomerization and ESIPT processes are inhibited due to its coordination to metal ion by triggering CHEF (chelation-enhanced fluorescence) giving turn-on fluorescence response.
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The sensor R1 showed an obvious "turn-on" fluorescence response toward Ag+ due to the inhibition of both C-N single bond free rotation, internal charge transfer (ICT) and the formation of chelation enhanced fluorescence (CHEF) effects.
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Fluorescence Response sentence examples within low detection limit
Operating via ring opening reaction, the probe molecule (RhP) offered extensive properties such as “turn-on” fluorescence response, naked-eye detection, low detection limit (15 nM) and fast response time (.
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Moreover, the product polymer showed highly sensitive fluorescence response to Fe3+, with low detection limit to 0.
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Fluorescence Response sentence examples within intramolecular charge transfer
These probes showed good fluorescence response to viscosity with twisted intramolecular charge transfer mechanism, among them, the probes with diethylamino (TOB), dibutylamino (TOC) and pyrrolidin (TOE) side chains showed better response to the viscosity with 78-fold, 55-fold, and 88-fold fluorescence enhancement in 95% glycerol solution respectively.
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Probe ANI-DP displayed a distinctive ratiometric fluorescence response toward ONOO− with a red-shifted emision in far-red to NIR region owing to the cleavage of a phosphinate group and change of intramolecular charge transfer (ICT) efficiency induced by ONOO−.
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Fluorescence Response sentence examples within flux per area
In order to explore the effects of high temperature stress on photosynthetic apparatus of kiwifruit leaves and establish a heat injury identification index based on chlorophyll fluorescence response, the variation characteristics of the FO(minimal recorded fluorescence intensity), Fm(maximal recorded fluorescence intensity), Fa(maximal photochemistry efficiency), ΔWK(relative variable fluorescence difference at 300 μs), Tr(trapped energy flux per area at t=0), Et(electron transport flux per area at t=0), Dd(dissipated energy flux per area at t=0), Rm (density of QA-reducing PSⅡ reaction centers) in kiwifruit leaves under 30 ℃, 33 ℃, 36 ℃, 39 ℃, 42 ℃, 45 ℃, 48 ℃, 50 ℃, 52 ℃, 54 ℃ condition are studied by using the technique of fast chlorophyll fluorescence induction dynamics analysis(JIP-test).
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Fluorescence Response sentence examples within Ratiometric Fluorescence Response
Importantly, CPA-1 and CPA-2 shows ratiometric fluorescence response towards SO2 with highly sensitive and selective.
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In this work, we combine these two groups organically to construct a rapid response site (within 30 s) for H2S, and at the same time, a ratiometric fluorescence response is presented throughout the process of H2S detection.
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Fluorescence Response sentence examples within Sensitive Fluorescence Response
By taking advantage of their strong solid-state emission, excellent photostability, fast and sensitive fluorescence responses, and good biocompatibility, materials with AIE attributes are widely employed in pre-clinical diagnosis and mechanistic studies on biological processes.
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In particular, the fluorophore with the benzoselenadiazole groups can form stronger chalcogen bonding with trimethyl arsine than the fluorophore with the benzothiadiazole groups, which in turn triggers much faster and more sensitive fluorescence responses.
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Fluorescence Response sentence examples within Selective Fluorescence Response
Fluorescence Response sentence examples within Good Fluorescence Response
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Fluorescence Response sentence examples within High Fluorescence Response
Fluorescence Response sentence examples within Enhanced Fluorescence Response
In the presence of the target mecA gene, the recognition and hybridization between HP1 and mecA can trigger Exo III and DNAzyme-mediated signal amplification and further release numerous ATMND, resulting in an enhanced fluorescence response, which serves as a response signal for the fluorescence detection of mecA gene.
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Herein, a fluorescent amplification strategy based on catalyzed hairpin assembly indirectly covalent on Fe3O4@C nanoparticles via short single-stranded DNA was investigated for cellular miRNA detection in living cells, integrating non-enzyme target-active releasing for amplifying the signal output, highly quenching efficiency of Fe3O4@C nanoparticles with low background, ssDNA assisted fluorescent group-fueled chain releasing from Fe3O4@C nanoparticles with enhanced fluorescence response.
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Fluorescence Response sentence examples within Distinct Fluorescence Response
The binding mechanism studies suggested that the distinct fluorescence response was caused by electrostatic and π-π stacking interactions of HPTA-1 with the pocket between two G-quadruplex units of telomeric dimeric G-quadruplex TTA45.
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The three fluorescent probes exhibit different binding affinities toward metal ions, resulting in diverse fluorescence behaviors and distinct fluorescence response patterns.
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Fluorescence Response sentence examples within Specific Fluorescence Response
The SCN-PMO possessed high selectivity and sensitivity toward Cu2+ based on the specific fluorescence response.
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The formation of these complexes with L not only triggers luminescence of lanthanides, but also produces specific fluorescence responses to antibiotics in aqueous solution, successfully demonstrating a new type of application for this supramolecular system.
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Fluorescence Response sentence examples within Strong Fluorescence Response
Fluorescence Response sentence examples within Reversible Fluorescence Response
Moreover, because of the diverse fluorescence properties of the eight compounds in various aggregated forms, they exhibit reversible fluorescence response to the transition of solid phases between crystalline and amorphous states under the mechanical force stimuli through breaking the multi-intermolecular interactions.
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The nanoaggregates of the diethylamino-substituted polymer show remarkable and reversible fluorescence response to acid and base, and the acid-fumed polymer thin film can be used as a sensitive and reusable fluorescent probe for detecting seafood spoilage.
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Fluorescence Response sentence examples within Chlorophyll Fluorescence Response
In order to explore the effects of high temperature stress on photosynthetic apparatus of kiwifruit leaves and establish a heat injury identification index based on chlorophyll fluorescence response, the variation characteristics of the FO(minimal recorded fluorescence intensity), Fm(maximal recorded fluorescence intensity), Fa(maximal photochemistry efficiency), ΔWK(relative variable fluorescence difference at 300 μs), Tr(trapped energy flux per area at t=0), Et(electron transport flux per area at t=0), Dd(dissipated energy flux per area at t=0), Rm (density of QA-reducing PSⅡ reaction centers) in kiwifruit leaves under 30 ℃, 33 ℃, 36 ℃, 39 ℃, 42 ℃, 45 ℃, 48 ℃, 50 ℃, 52 ℃, 54 ℃ condition are studied by using the technique of fast chlorophyll fluorescence induction dynamics analysis(JIP-test).
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The cold tolerance of three Dendrocalamus farinosus strains (seedling plant and two somaclone mutants) which have been cold-acclimated were compared in terms of their chlorophyll fluorescence responses.
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Fluorescence Response sentence examples within Different Fluorescence Response
The different fluorescence responses make HBT-FS a fluorescent probe to discriminatorily detect F− and SO32–.
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With the addition of metal ions, three sensor components can generate different fluorescence response patterns for discriminating 11 heavy metal ions via principal component analysis (PCA).
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Fluorescence Response sentence examples within Robust Fluorescence Response
Fluorescence Response sentence examples within Shifted Fluorescence Response
Hitherto, the development of fluorescent probes for UGTs was severely restricted due to the poor isoform selectivity, on-off or blue-shifted fluorescence response.
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Unlike their 4-dibutylaminophenyl congeners that exhibited dynamic hypsochromic or bathochromic shifts in response to Lewis and Brønsted acids, the current class of compounds simply showed quenched fluorescence upon protonation; only AlCl3 elicited a red-shifted fluorescence response.
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Fluorescence Response sentence examples within Excellent Fluorescence Response
Fluorescence Response sentence examples within Emission Fluorescence Response
Interestingly, it effectively restored the red fluorescence of Eu3+ (593, 618 and 699 nm) and showed a dual-emission fluorescence response at 506 and 593 nm when the DPA existed.
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Based on a single excitation–double emission fluorescence response of liberated fluorophores caused by enzymatic cleavage, the presence of a single or both proteases in a mixture was unambiguously determined in an experimentally established concentration range.
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Fluorescence Response sentence examples within Higher Fluorescence Response
A higher fluorescence response was achieved using two capture probes tethered to magnetic beads using a biotin/streptavidin linkage, targeting two specific sites in the ORF1a and S genes.
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Compared with the control experiment using a probe without NO prodrug loading, higher fluorescence response of NO was detected in the cell (3.
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Fluorescence Response sentence examples within Linear Fluorescence Response
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Fluorescence Response sentence examples within Ultrasensitive Fluorescence Response
After embedding FA-CDs in Eu-MOFs, owing to the robust self-calibration function and excellent accumulation effect of Eu-MOFs, the developed FA-CDs@Eu-MOFs-based ratiometric fluorescence (RF) probe has a more prominent selectivity toward Ag+ with an ultrasensitive fluorescence response across a broad range of 0.
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For instance, TP-QG could exhibit ultrasensitive fluorescence response for Fe3+ and F- in water via the fluorescence "ON-OFF-ON" pathway; the lowest detection limit (LOD) of TP-QG for Fe3+ was 2.
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Fluorescence Response sentence examples within Multiple Fluorescence Response
Herein, an unprecedented Cd-MOF-based sensor, [CdL]n [1, H2L = 4-(2-methyl-1H-benzo[d]imidazol-1-yl) isophthalic acid] with multiple fluorescence response behaviours towards antibiotics and bacteria was developed.
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To overcome the sensing limitation of available mitophagy probes to only lysosome fusion or degradation, a molecular logic gate probe showing multiple fluorescence responses to different mitophagy stages was proposed in this study to sense the oxidative stress-induced mitophagy via a dual-channel mode.
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Fluorescence Response sentence examples within Best Fluorescence Response
In particular, it showed the best fluorescence response to 2,4,6-trinitrophenol (TNP) and 2,4-dinitrophenol (DNP), and the KSV values were 2.
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Oxytetracycline (OTC) with the best fluorescence response of tetracycline antibiotics was coated on Zn-MOF to synthesize OTC@Zn-MOF fluorescent probe.
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Fluorescence Response sentence examples within Percent Fluorescence Response