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Journal articles on the topic 'Absorbant saturable'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Stelmakh, Nikolaï, Jean-Michel Lourtioz, Daniel Pascal, and Marc Cavelier. "Facteur de couplage phase-amplitude des diodes lasers avec absorbant saturable." Annales Des Télécommunications 47, no. 9-10 (1992): 370–76. http://dx.doi.org/10.1007/bf02995882.

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2

Fatome, J., D. Massoubre, S. Pitois, et al. "Composant à absorbant saturable pour la régénération tout optique à ultra haut débit." Journal de Physique IV (Proceedings) 135, no. 1 (2006): 157–59. http://dx.doi.org/10.1051/jp4:2006135039.

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3

Lecourt, J. B., G. Martel, A. Hideur, M. Gicquel-Guézo, C. Labbé, and S. Loualiche. "Régime impulsionnel 300 fs, 100 pJ, autodémarrant généré par un laser à fibre Er3+ avec absorbant saturable InGaAs/InP dopés fer ultrarapide." Journal de Physique IV (Proceedings) 135, no. 1 (2006): 323–25. http://dx.doi.org/10.1051/jp4:2006135108.

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4

Lecourt, J. B., G. Martel, A. Hideur, M. Gicquel-Guézo, C. Labbé, and S. Loualiche. "Génération d'impulsions courtes dans un laser à fibre dopée erbium grâce à la combinaison d'un absorbant saturable rapide et d'effets de polarisation." Journal de Physique IV (Proceedings) 135, no. 1 (2006): 327–29. http://dx.doi.org/10.1051/jp4:2006135109.

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5

Miyajima, Takao, Shunsuke Kono, Hideki Watanabe, et al. "Saturable absorbing dynamics of GaInN multiquantum well structures." Applied Physics Letters 98, no. 17 (2011): 171904. http://dx.doi.org/10.1063/1.3583456.

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6

Liebig, Carl M., and W. M. Dennis. "Optical dephasing in saturable-absorbing organic dye IR140." Applied Optics 45, no. 9 (2006): 2072. http://dx.doi.org/10.1364/ao.45.002072.

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7

Trutschel, U., and F. Lederer. "Optical response of nonlinear absorbing and saturable superlattices." Journal of the Optical Society of America B 5, no. 12 (1988): 2530. http://dx.doi.org/10.1364/josab.5.002530.

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8

Trutschel, U., F. Lederer, and U. Langbein. "Optical Response of Nonlinear Absorbing and Saturable Multilayer Systems." physica status solidi (b) 150, no. 2 (1988): 805–10. http://dx.doi.org/10.1002/pssb.2221500271.

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9

Longtin, J. P., and C. L. Tien. "Saturable Absorption During High-Intensity Laser Heating of Liquids." Journal of Heat Transfer 118, no. 4 (1996): 924–30. http://dx.doi.org/10.1115/1.2822590.

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The interaction of high-intensity, short-pulse laser radiation with liquids is fundamental to many contemporary technologies. At low laser intensities, the classical model of absorption and heating applies, which assumes a constant absorption coefficient and no dependence on intensity. As the intensity increases, however, many molecules are promoted to excited states, whose absorption properties differ from those of the ground state, and the absorption of the bulk liquid is altered. This phenomenon, called saturable absorption, results in intensity-dependent absorption, heating, and temperatur

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10

Liu, Mengli, Wenjun Liu, Ximei Liu, Yuyi Ouyang, and Zhiyi Wei. "164 fs mode-locked erbium-doped fiber laser based on tungsten ditelluride." Nanophotonics 9, no. 9 (2020): 2763–69. http://dx.doi.org/10.1515/nanoph-2019-0477.

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AbstractIn recent years, the diversity of transition metal dichalcogenides (TMDs) has made them occupy the essential status in the exploration of saturable absorbing materials. WTe2, also an important member of TMDs not only exhibits narrower band gap than MoS2 or WS2, but also has fast relaxation time, thus it has advantages in the realization of broadband absorption and ultrashort pulses. In this work, a WTe2 saturable absorber (SA) fabricated by magnetron sputtering technology features nonlinear absorption coefficient of −3.78 × 10−5 cm/W and modulation depth of 37.95%. After integrating th

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11

Pisonero, J. D., O. Varela, E. García, et al. "FDTD Modeling of double ultrashort pulse propagation in nonlinear absorbing media." EPJ Web of Conferences 238 (2020): 12006. http://dx.doi.org/10.1051/epjconf/202023812006.

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An approach based on the finite-difference time-domain (FDTD) method is developed for simulating the dynamics of two ultrashort laser pulses inside a saturable absorbing media. This work discusses the results obtained using this numerical model for the prediction of the nonlinear absorbing media behaviour as well as how it affects the final double pulse combination. These results can be used to improve contrast cleaning conditions for high power laser chains and for synchronization studies, this last application was checked in the VEGA facility lab as a code validation.

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12

Yang, Lingling, Ruwei Zhao, Duanduan Wu, et al. "Metallic 2H-Tantalum Selenide Nanomaterials as Saturable Absorber for Dual-Wavelength Q-Switched Fiber Laser." Sensors 21, no. 1 (2021): 239. http://dx.doi.org/10.3390/s21010239.

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A novel 2H-phase transition metal dichalcogenide (TMD)–tantalum selenide (TaSe2) with metallic bandgap structure is a potential photoelectric material. A band structure simulation of TaSe2 via ab initio method indicated its metallic property. An effective multilayered TaSe2 saturable absorber (SA) was fabricated using liquid-phase exfoliation and optically driven deposition. The prepared 2H–TaSe2 SA was successfully used for a dual-wavelength Q-switched fiber laser with the minimum pulse width of 2.95 μs and the maximum peak power of 64 W. The repetition rate of the maximum pulse energy of 89.

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13

Cheng, Chih-Hsien, and Gong-Ru Lin. "Carbon Nanomaterials Based Saturable Absorbers for Ultrafast Passive Mode-Locking of Fiber Lasers." Current Nanoscience 16, no. 3 (2020): 441–57. http://dx.doi.org/10.2174/1573413715666191114150100.

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This paper emphasizes on overviewing the developing progress of the state-of-the-art carbon nanomaterial-based saturable absorbers for passively mode-locked fiber lasers, including carbon nanotube (CNT), graphene, graphite and other carbon nanomaterials. With reviewing the performances of these proposed candidates, the characteristic parameters required for initiating and stabilizing the passive mode-locked fiber lasers are summarized for comparison and discussion. At first, the basic characteristics such as saturation intensity and self-amplitude-modulation (SAM) coefficients of the CNT mater

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14

Saberi, Zainab. "Anionic Surfactant Sensing by Optical Properties of Erythrosin B." Sensor Letters 18, no. 1 (2020): 43–46. http://dx.doi.org/10.1166/sl.2020.4177.

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The nonlinear optical properties, absorbance and fluorescence spectra of Erythrosin B (ErB) aqueous solution in different CTAB concentration was studied. Z-scan technique under laser light excitation at 532 nm, was used for study reverse saturable absorption (RSA) of ErB. it was observed that the RSA of solution depend on CTAB concentration. A enhancing of absorbance and quenching of fluorescence is observed with increase of CTAB concentration in solution and the RSA can reduce the fluorescence intensity. It was proposed that the micelle can reduce the dye aggregation is solutions and it can a

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15

Janulewicz, K. "Transmission of broadband saturable absorbing mixture for 10.6 μm nanosecond pulses". Infrared Physics 30, № 1 (1990): 1–7. http://dx.doi.org/10.1016/0020-0891(90)90033-r.

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16

Liu, Rui, Dapeng Zhou, Alexander Azenkeng, et al. "Nonlinear Absorbing Platinum(II) Diimine Complexes: Synthesis, Photophysics, and Reverse Saturable Absorption." Chemistry - A European Journal 18, no. 36 (2012): 11440–48. http://dx.doi.org/10.1002/chem.201200254.

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17

Webster, Scott, Marisol Reyes-Reyes, Richard Williams, and David L. Carroll. "Enhanced Absorption in a Reverse Saturable Absorbing Dye Blended with Carbon Nanotubes." Journal of Nanoscience and Nanotechnology 8, no. 12 (2008): 6470–73. http://dx.doi.org/10.1166/jnn.2008.18409.

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Using nonlinear absorption at 532 nm in the nanosecond temporal regime, we have measured the low fluence nonlinear transmittance properties of the reverse saturable absorbing carbocyanine dye, 1,1′,3,3,3′,3′-hexamethylindotricarbocyanine iodide (HITCI), blended with well dispersed carbon nanotubes. The nonlinear optical properties of the blends are strongly dependent on the ratio of dye to nanotubes in solution. In the case where the nanotubes per dye molecule ratio is large, we see a distinctive enhancement in optical fluence limiting properties of the system, suggesting enhanced absorption o

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18

Sun, Wenfang, Chengkui Pei, Taotao Lu, et al. "Reverse saturable absorbing cationic iridium(iii) complexes bearing the 2-(2-quinolinyl)quinoxaline ligand: effects of different cyclometalating ligands on linear and nonlinear absorption." Journal of Materials Chemistry C 4, no. 22 (2016): 5059–72. http://dx.doi.org/10.1039/c6tc00710d.

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19

Knize, R. J. "Efficiency of degenerate four-wave mixing in a two-level saturable absorbing medium." Optics Letters 18, no. 19 (1993): 1606. http://dx.doi.org/10.1364/ol.18.001606.

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20

Meškinis, Vasiliauskas, Viskontas, Andrulevičius, Guobienė, and Tamulevičius. "Hydrogen-Free Diamond Like Carbon Films with Embedded Cu Nanoparticles: Structure, Composition and Reverse Saturable Absorption Effect." Materials 13, no. 3 (2020): 760. http://dx.doi.org/10.3390/ma13030760.

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In the present research, hydrogen-free diamond like carbon films with embedded copper nanoparticles (DLC:Cu) were grown by simultaneous DC magnetron sputtering of the graphite and copper targets. X-ray photoelectron spectroscopy was used to define the composition of the samples. Atomic force microscopy studies of diamond, like carbon films containing different amount of copper, revealed wide range of the surface morphologies as well as sizes and shapes of the embedded copper nanoclusters. Raman scattering spectra of all the DLC:Cu films investigated were typical for diamond-like carbon (includ

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21

Ping Ma, Heinz Jackel, Gian-Luca Bona, and Christian Hafner. "Ultrafast, Compact, and Energy Efficient All-Optical Switches Based on a Saturable Absorbing Cavity." IEEE Journal of Quantum Electronics 50, no. 12 (2014): 1–10. http://dx.doi.org/10.1109/jqe.2014.2365995.

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22

Kramer, Mark A., Robert W. Boyd, Lloyd W. Hillman, and C. R. Stroud. "Propagation of modulated optical fields through saturable-absorbing media: a general theory of modulation spectroscopy." Journal of the Optical Society of America B 2, no. 9 (1985): 1444. http://dx.doi.org/10.1364/josab.2.001444.

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23

Nakagawa, Kazuo, and Katunori Kawano. "Change in optical path length of saturable absorbing dye-doped polymer films under laser irradiation." Optical Review 3, no. 3 (1996): 216–20. http://dx.doi.org/10.1007/bf02931723.

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24

Adachi, Hideto, Isao Kidoguchi, Toshiya Fukuhisa, Kiyotake Tanaka, Masaya Mannoh, and Akira Takamori. "Reduction of Aspect Ratio in 650 nm-Band Self-Sustained-Pulsing Lasers with Saturable-Absorbing Layer." Japanese Journal of Applied Physics 36, Part 1, No. 3B (1997): 1876–79. http://dx.doi.org/10.1143/jjap.36.1876.

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25

Kidoguchi, I., H. Adachi, S. Kamiyama, T. Fukuhisa, M. Mannoh, and A. Takamori. "Low-noise 650-nm-band AlGaInP visible laser diodes with a highly doped saturable absorbing layer." IEEE Journal of Quantum Electronics 33, no. 5 (1997): 831–37. http://dx.doi.org/10.1109/3.572158.

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26

Borodkin, A., D. Khudyakov, A. Lobach, and S. Vartapetov. "Investigation of Saturable Absorbance Characteristics of Film Composites with SWNT and Graphene for Fiber Laser Pulse Generation." Physics Procedia 71 (2015): 277–81. http://dx.doi.org/10.1016/j.phpro.2015.08.301.

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27

Gaeta, A., M. Gruneisen, and R. Boyd. "Theory of degenerate four-wave mixing in saturable absorbing media with the inclusion of pump propagation effects." IEEE Journal of Quantum Electronics 22, no. 7 (1986): 1095–101. http://dx.doi.org/10.1109/jqe.1986.1073080.

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28

Adachi, H., S. Kamiyama, I. Kidoguchi, and T. Uenoyama. "Self-sustained pulsation in 650 nm band AlGaInP visible-laser diodes with highly doped saturable absorbing layer." IEEE Photonics Technology Letters 7, no. 12 (1995): 1406–8. http://dx.doi.org/10.1109/68.477264.

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29

Ngoy, Bokolombe P., Zweli Hlatshwayo, Njemuwa Nwaji, Gertrude Fomo, John Mack, and Tebello Nyokong. "Photophysical and optical limiting properties at 532 nm of BODIPY dyes with p-benzyloxystyryl groups at the 3,5-positions." Journal of Porphyrins and Phthalocyanines 22, no. 05 (2018): 413–22. http://dx.doi.org/10.1142/s1088424617500857.

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The synthesis and characterization of a series of 3,5-di-[Formula: see text]-benzyloxystyrylBODIPY dyes with different substituents at the meso-aryl position is reported. The photophysical and nonlinear optical properties are described. BODIPYs of this type are found to be suitable for optical limiting at 532 nm on the nanosecond timescale. An enhancement of the population of the T[Formula: see text] state through the incorporation of bromine atoms at the 2,6-positions does not result in an enhancement of the optical limiting properties on a nanosecond timescale. This suggests that, in contras

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30

Onishi, T., H. Adachi, I. Kidoguchi, et al. "Doping level and type of GaInP saturable absorbing layers for realizing pulsating 650-nm-band AlGaInP laser diodes." IEEE Photonics Technology Letters 10, no. 10 (1998): 1368–70. http://dx.doi.org/10.1109/68.720263.

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31

Webster, S., M. Reyes-Reyes, X. Pedron, R. López-Sandoval, M. Terrones, and D. L. Carroll. "Enhanced Nonlinear Transmittance by Complementary Nonlinear Mechanisms: A Reverse-Saturable Absorbing Dye Blended with Nonlinear-Scattering Carbon Nanotubes." Advanced Materials 17, no. 10 (2005): 1239–43. http://dx.doi.org/10.1002/adma.200401772.

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32

Gruneisen, Mark T., Alexander L. Gaeta, and Robert W. Boyd. "Exact theory of pump-wave propagation and its effect on degenerate four-wave mixing in saturable-absorbing media." Journal of the Optical Society of America B 2, no. 7 (1985): 1117. http://dx.doi.org/10.1364/josab.2.001117.

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33

GREGORY, PETER. "Industrial applications of phthalocyanines." Journal of Porphyrins and Phthalocyanines 04, no. 04 (2000): 432–37. http://dx.doi.org/10.1002/(sici)1099-1409(200006/07)4:4<432::aid-jpp254>3.0.co;2-n.

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Phthalocyanines are the second most important class of colorant, and copper phthalocyanine is the single largest-volume colorant sold. Traditional uses of phthalocyanine colorants are as blue and green pigments for automotive paints and printing inks and as blue/cyan dyes for textiles and paper. Phthalocyanines have also found extensive use in many of the modern high technologies, e.g. as cyan dyes for ink jet printing, in electrophotography as charge generation materials for laser printers and as colorants for cyan toners. In the visible region, phthalocyanines are limited to blue, cyan and g

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34

Azzam, Shaimaa I., and Alexander V. Kildishev. "Time-domain dynamics of reverse saturable absorbers with application to plasmon-enhanced optical limiters." Nanophotonics 8, no. 1 (2018): 145–51. http://dx.doi.org/10.1515/nanoph-2018-0139.

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AbstractAn advanced full-wave time-domain numerical model for reverse saturable absorption (RSA) is presented and verified. Rate equations describing atomic relaxations and excitation dynamics are coupled to the Maxwell equations by using a Lorentzian oscillator, which models the kinetics-dependent light–matter interactions. The presented novel technique provides a versatile multiphysics framework for designing complex structures and integrating diverse material models that were not previously possible. The multiphysics framework allows capturing the behavior of the RSA materials embedded in a

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35

Imura, Satoshi, Takayoshi Kobayashi, and Eiji Tokunaga. "More Than 50-Fold Enhanced Nonlinear Optical Response of Porphyrin Molecules in Aqueous Solution Induced by Mixing Base and Organic Solvent." Applied Sciences 11, no. 11 (2021): 4892. http://dx.doi.org/10.3390/app11114892.

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The difference absorption spectrum (DAS) of porphyrin molecules (tetraphenyl-porphyhrin sulfonic acid, TPPS) in aqueous solution induced by continuous wave laser irradiation has been reported previously. It was interpreted that the DAS was caused by the formation of TPPS aggregates induced by laser irradiation. However, transient spectra similar in their shape have already been reported and are attributed to the excited-state absorption and saturable absorption (SA) effects due to the triplet state formation in TPPS. In the present study, we investigated the triplet quenching effect by O2 on t

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36

Kidoguchi, Isao, Hideto Adachi, Toshiya Fukuhisa, Masaya Mannoh, and Akira Takamori. "Stable operation of self‐sustained pulsation in 650‐nm‐band AlGaInP visible lasers with highly doped saturable absorbing layer." Applied Physics Letters 68, no. 25 (1996): 3543–45. http://dx.doi.org/10.1063/1.116524.

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37

Song, Jiazheng, Xiaohong Hu, Hushan Wang, et al. "All-polarization-maintaining, semiconductor saturable absorbing mirror mode-locked femtosecond Er-doped fiber laser with a gigahertz fundamental repetition rate." Laser Physics Letters 16, no. 9 (2019): 095102. http://dx.doi.org/10.1088/1612-202x/ab3421.

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38

Li, Yuhao, Naveen Dandu, Rui Liu, Svetlana Kilina, and Wenfang Sun. "Synthesis and photophysics of reverse saturable absorbing heteroleptic iridium(iii) complexes bearing 2-(7-R-fluoren-2′-yl)pyridine ligands." Dalton Trans. 43, no. 4 (2014): 1724–35. http://dx.doi.org/10.1039/c3dt52184b.

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39

Yamanishi, Hachiro, Shigeki Kimura, Shigeru Iyama, Yoshihisa Yamaguchi, and Takehiko Yanagihara. "Fully automated measurement of total iron-binding capacity in serum." Clinical Chemistry 43, no. 12 (1997): 2413–17. http://dx.doi.org/10.1093/clinchem/43.12.2413.

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Abstract We established a method for fully automated measurement of total iron-binding capacity (TIBC) in serum without separation of the unbound excess iron after saturating serum transferrin. After saturation of serum transferrin with an excess amount of iron (first step), the unbound iron was eliminated by formation of a complex with ferrozine, which was used as a chromogenic reagent (second step). For the TIBC assay, iron dissociated from transferrin by shifting the pH to acidic was reacted with ferrozine, and the increase in the absorbance at 570 nm was measured (third step). Because the

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40

Li, Yuhao, Naveen Dandu, Rui Liu, Lei Hu, Svetlana Kilina, and Wenfang Sun. "Nonlinear Absorbing Cationic Iridium(III) Complexes Bearing Benzothiazolylfluorene Motif on the Bipyridine (N∧N) Ligand: Synthesis, Photophysics and Reverse Saturable Absorption." ACS Applied Materials & Interfaces 5, no. 14 (2013): 6556–70. http://dx.doi.org/10.1021/am401133p.

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41

Tanaka, Hiromasa, Akira Horikoshi, Hirofumi Fujiwara, and Kazuo Nakagawa. "Phase Conjugation in Saturable Absorbing Dye Films by Degenerate Four-Wave Mixing and Holographic Processes Using Nanosecond Pulse and CW Lasers." Optical Review 9, no. 3 (2002): 106–11. http://dx.doi.org/10.1007/s10043-002-0106-0.

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42

Li, Zhongjing, Peng Cui, Chengzhe Wang, Svetlana Kilina та Wenfang Sun. "Nonlinear Absorbing Cationic Bipyridyl Iridium(III) Complexes Bearing Cyclometalating Ligands with Different Degrees of π-Conjugation: Synthesis, Photophysics, and Reverse Saturable Absorption". Journal of Physical Chemistry C 118, № 49 (2014): 28764–75. http://dx.doi.org/10.1021/jp5073457.

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43

Said, Hamid M., Alvaro Ortiz, Eric McCloud, David Dyer, Mary Pat Moyer, and Stanley Rubin. "Biotin uptake by human colonic epithelial NCM460 cells: a carrier-mediated process shared with pantothenic acid." American Journal of Physiology-Cell Physiology 275, no. 5 (1998): C1365—C1371. http://dx.doi.org/10.1152/ajpcell.1998.275.5.c1365.

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Previous studies showed that the normal microflora of the large intestine synthesizes biotin and that the colon is capable of absorbing intraluminally introduced free biotin. Nothing, however, is known about the mechanism of biotin absorption in the large intestine and its regulation. To address these issues, we used the human-derived, nontransformed colonic epithelial cell line NCM460. The initial rate of biotin uptake was found to be 1) temperature and energy dependent, 2) Na+ dependent (coupling ratio of 1:1), 3) saturable as a function of concentration [apparent Michaelis constant ( K m) o

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44

BREZNAN, Dalibor, Vasanthi VEERESWARAN, France J. VIAU, Tracey A. M. NEVILLE, and Daniel L. SPARKS. "The lipid composition of high-density lipoprotein affects its re-absorption in the kidney by proximal tubule epithelial cells." Biochemical Journal 379, no. 2 (2004): 343–49. http://dx.doi.org/10.1042/bj20031569.

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The kidney is believed to play a major role in the clearance of apoA-I (apolipoprotein A-I) and HDL (high-density lipoprotein) particles from the bloodstream. Proximal tubule epithelial cells of the kidney appear to prevent the loss of these proteins in the urine by re-absorbing them from the urinary filtrate. Experiments were undertaken to investigate the factors that regulate the renal re-absorption of apoA-I and small HDL in a transformed human proximal tubule epithelial (HKC-8) cell line. Fluorescent microscopic studies show that HKC-8 cells can readily bind and take up HDL particles. Intr

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45

Said, Hamid M., Alvaro Ortiz, Mary Pat Moyer, and Norimoto Yanagawa. "Riboflavin uptake by human-derived colonic epithelial NCM460 cells." American Journal of Physiology-Cell Physiology 278, no. 2 (2000): C270—C276. http://dx.doi.org/10.1152/ajpcell.2000.278.2.c270.

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Normal microflora of the large intestine synthesize a number of water-soluble vitamins including riboflavin (RF). Recent studies have shown that colonic epithelial cells posses an efficient carrier-mediated mechanism for absorbing some of these micronutrients. The aim of the present study was to determine whether colonic cells also posses a carrier-mediated mechanism for RF uptake and, if so, to characterize this mechanism and study its cellular regulation. Confluent monolayers of the human-derived nontransformed colonic epithelial cells NCM460 and [3H]RF were used in the study. Uptake of RF w

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46

Chrisyanti, Desriana, Gunawan Gunawan, and Abdul Haris. "Blue Methylene Retrieval using Silica-Salicylic Acid Modified Filtering." Jurnal Kimia Sains dan Aplikasi 21, no. 1 (2018): 19–23. http://dx.doi.org/10.14710/jksa.21.1.19-23.

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The retrieval of methylene blue using a silica-modified sulfide-salicylic acid has been carried out. Salicylate-silica-acid alloys have been prepared by comparing the four media ie filter paper, silica-filter paper, salicylic acid-filter paper and salicylic acid-silica-filter paper. This study aims to study the recovery of methylene blue using salicylic acid-modified silica filtering with various parameters on the adsorption and desorption process. The results showed that the salicylic acid-silica alloy could improve the capability of methylene blue removal. The result of pH variation on the a

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47

Miller, James L., and Juan I. Korenbrot. "Phototransduction and adaptation in rods, single cones, and twin cones of the striped bass retina: A comparative study." Visual Neuroscience 10, no. 4 (1993): 653–67. http://dx.doi.org/10.1017/s0952523800005356.

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AbstractWe investigated the attributes of transduction and light-adaptation in rods, single cones, and twin cones isolated from the retina of striped bass (Morone saxatilis). Outer-segment membrane currents were measured with suction electrodes under voltage clamp provided by tight-seal electrodes applied to the cell’s inner segment. Brief flashes of light transiently reduced the outer-segment current with kinetics and sensitivity characteristic of each receptor type. In all cells, the responses to dim lights increased linearly with light intensity. The amplitude-intensity relation for rods an

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48

Frantz, Jonathan M., Dharmalingam S. Pitchay, Glen Ritchie, and Heping Zhu. "(347) Identifying Common Reflectance Properties in Diverse Ornamental Species to Nondestructively Determine Nitrogen Status." HortScience 40, no. 4 (2005): 1060C—1060. http://dx.doi.org/10.21273/hortsci.40.4.1060c.

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Nitrogen (N) is often supplied to plants in excess to minimize the possibility of encountering N deficiency that would reduce the plant quality due to leaf chlorosis and necrosis. This is not only costly, but it can reduce the quality of plants, predispose the plants to biotic stress such as Botrytisgray mold, and extend the production cycle. Several tools can be used to identify N deficiency in plants, and most are based on chlorophyll reflectance or transmittance. While sensitive when plants are experiencing N deficiency, spectral signals can saturate in an ample N supply and make it difficu

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Cavalcanti, Yuri Wanderley, Leopoldina de Fátima Dantas de Almeida, Samilly Evangelista Souza, et al. "Effect of Collagen Matrix Saturation on the Surface Free Energy of Dentin using Different Agents." Journal of Contemporary Dental Practice 16, no. 7 (2015): 531–36. http://dx.doi.org/10.5005/jp-journals-10024-1717.

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ABSTRACT Introduction The surface free energy of conditioned-dentin is one of the factors that interfere with monomeric infiltration of the interfibrillar spaces. Saturation of the tooth matrix with different substances may modulate this energy and, consequently, the wettability of the dentin. Aim To evaluate the influence of different substances used to saturate conditioned-dentin on surface free energy (SFE) of this substrate. Materials and methods Dentin blocks (4 × 7 × 1 mm, n = 6/ group), obtained from the roots of bovine incisors, were etched using phosphoric acid for 15 seconds, rinsed

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Irving, M., J. Maylie, N. L. Sizto, and W. K. Chandler. "Simultaneous monitoring of changes in magnesium and calcium concentrations in frog cut twitch fibers containing antipyrylazo III." Journal of General Physiology 93, no. 4 (1989): 585–608. http://dx.doi.org/10.1085/jgp.93.4.585.

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Abstract:

Antipyrylazo III was introduced into frog cut twitch fibers (17-19 degrees C) by diffusion. After action potential stimulation, the change in indicator absorbance could be resolved into two components that had different time courses and wavelength dependences. The first component was early and transient and due to an increase in myoplasmic free [Ca] (Maylie, J., M. Irving, N.L. Sizto, and W.K. Chandler, 1987, Journal of General Physiology, 89:83-143). The second component, usually measured at 590 nm (near the isosbestic wavelength for Ca), developed later than the Ca transient and returned tow

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