Quantum yield
Morphoanatomy and physiology of Pouteria gardneriana Radlk plantlets grown in vitro at varied photosynthetic photon flux densities
... Maximum quantum yield (Fv/Fm), photochemical quenching (qP), non-photochemical fluorescence quenching (NPQ), effective quantum yield (ΔF/Fm’) and electron transport rate (ETR) in the le[r] ...
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Physiological and biochemical traits as tools to screen sensitive and resistant varieties of tomatoes exposed to salt stress
... The present study was conducted to evaluate salt tolerance in seven different pure-line cultivars of tomato (Solanum lycopersicum L.) viz. K-21, Pusa Ruby, Pusa Gorav, Hera research, Selection N5, PKM-1 and S-22 based on ...
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J. Braz. Chem. Soc. vol.26 número9
... (Figure 4). By observing the linear correlation between the peak current and the complex concentration (R = 0.999, Figures available in the Supplementary Information) it was possible to calculate the amount of NO ...
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Edwin González-López,a Jhair León-Jaramillo,a Alfredo Pérez-Gamboa,a Esneyder Puello-Polo,
... fluorescence quantum yield of two of the derivatives [4,5-dihydro-3-(2-methoxynaphthalen- 6-yl)-5-(3,4,5-trimethoxyphenyl)-1-phenyl-1H-pyrazoline and 5-(4-chlorophenyl)-4,5-dihydro- ...
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Photochromic Supramolecular Assemblies Based on Diarylethenes
... Structures of supramolecular assemblies were determined by NMR and ESI-MS. When CB7 is used host-gest interactions take place in the pyridinium region with the positive charge being stabilized by the portal region of ...
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The chlorophyll a fluorescence as an indicator of the temperature stress in the leaves of Prunus persica
... both displayed significantly lower values in the leaves exposed to 40 and 45°C; (b) the quantum yield of electron transport from Q A - to the PSI end electron acceptors ( ϕ Ro = RE [r] ...
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Comparative stomatal conductance and chlorophyll a fluorescence in leaves vs. fruits of the cerrado legume tree,
... ETR values were not only a result of the highest incident light on leaflets (figure3), but they were mainly due to the effective quantum yield of PSII (∆F/F ‘max ) being higher in leaflets than in fruits. ...
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Physiological responses of photosynthesis in black pepper plants under different shade levels promoted by intercropping with rubber trees
... (Kramer et al., 2004; Klughammer; Schreiber, 2008), and F s /F m ’ (Stirbet; Govindjee, 2011). The F o ’, needed for the quenching’s determination was obtained in the dark immediately after actinic light was switched off ...
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J. Braz. Chem. Soc. vol.21 número12
... photoconsumption quantum yield determined. The low luorescence quantum yield values observed for boldine 1 and 4 as both base and hydrochloride derivative compounds led us to postulate that ...
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Effects of Allelochemicals from Ficus microcarpa on
... This study was performed in order to isolate and identify unknown allelochemicals from Ficus microcarpa, and to investigate the inhibitory to bloom-forming of green alga Chlorella pyrenoidosa. Through gradient elution, ...
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Effect of hydrogen peroxide and thiourea on fluorescence and tuberization of potato (Solanum tuberosum L.)
... tuber yield, number of tubers per plant, leaf chlorophyll and quantum yield (Fv/Fm) of potato were influenced by the application of hydrogen peroxide or thiourea on mother ...maximum yield is ...
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Physiological characterization of grapevine rootstocks grown in soil with increasing zinc doses Jovani Zalamena
... maximum quantum yield of photosystem II (F v /F m ), effective quantum yield of photosystem II (Y-II) and non-photochemical quenching (NPQ) were ...
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Oxygen sensitivity of C4 photosynthesis: Evidence from gas exchange and chlorophyll fluorescence analyses with different C4 subtypes
... dle-sheath leakiness in the dicots. It has been suggested that C 4 dicots may have higher bundle-sheath leakage than monocots because of a higher relative apoplastic surface area of bundle sheath cells and lack of ...
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RESIDUES OF FORAGE SPECIES AFFECT PHOTOSYNTHETIC CHARACTERISTICS OF THE PEQUIZEIRO
... effective quantum yield of FS II, electron transport rate, nonchemical quenching and chlorophyll index, concerning the content of chlorophyll a, b and total in pequi plants at 50 and 100 days after ...
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THE REMOVAL OF XENOBIOTIC COMPOUNDS FROM WASTEWATER THROUGH THE USE OF BIOLOGICAL PROCESSES AND ADVANCED OXIDATION TECHNOLOGIES
... Pharmaceutical compounds such as ketoprofen, diclofenac and atenolol are frequently detected at relatively high concentrations in secondary effluents from wastewater treatment plants. Therefore, it is important to assess ...
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PHYSIOLOGICAL RESPONSES OF DWARF COCONUT PLANTS UNDER WATER DEFICIT IN SALT-AFFECTED SOILS
... ABSTRACT - The objective of this study was to characterize the physiological acclimation responses of young plants of the dwarf coconut cultivar ‗Jiqui Green‘ associated with tolerance to conditions of multiple abiotic ...
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Photosynthetic capacity of three phytoplanktonic species measured by a pulse amplitude fluorometric method
... according to the used species and toxicants. These authors suggested that morphological features might affect the algal sensibility to chemical substances. In our study, variation in morphology could explain, at least ...
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Ecophysiological performance of a threatened shrub under restored and natural conditions in a harsh tropical mountaintop environment
... potential quantum yield of PSII was calculated as Fv/Fm (Fv = Fm – F 0 ), measured at predawn and during the day after 30 minutes of adapta- tion to ...effective quantum yield of photosystem ...
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Physiological characteristics and yield of ‘Pérola’ pineapple in the semi-arid region
... maximum quantum yield of photosystem II, chlorophyll index, leaf area index and yield of ‘Pérola’ pineapple subjected to saline water irrigation the semi-arid region of ...
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Sba Controle & Automação vol.21 número6
... Moreover, the development of a SET current standard could lead to the definition of a quantum ampere as the product of the elementary charge and a frequency. The classical def- inition of the ampere is: “The ...
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