Main functions

• Fluorescence induction curves were measured and quenched

• Metering response curve and fast light curve (RLC) and fit

• Detection of dark relaxation

• Can be used in conjunction with a photosynthesis instrument (GFS-3000) to measure gas exchange and chlorophyll fluorescence simultaneously

Measurement parameters

Fo, Fm, F, Fo', Fm', Fv/Fm, Y(II) that is, ΔF/Fm', qL, qP, qN, NPQ, Y(NPQ), Y(NO), ETR, etc.

Application areas

Designed for undergraduate and graduate teaching, but has all the essential functions of PAM, it is fully suitable for scientific research work, and can be used in scientific research fields such as plant physiology, ecology, agronomics, horticulture, aquatic biology, etc.

Main technical parameters

• Measurement light source: blue LED (465 nm), modulation frequency 5 or 100 Hz, standard intensity 0.1μmol m^-2yes^-1.

• Actinic light source: blue LED (465 nm), light intensity range 25-1500 μmol m^-2yes^-1.

• Saturated pulse light source: blue LED (465 nm), maximum saturation flash intensity 10000 μmol m^-2yes^-1.

• Far Red Light: LED, 740 nm.

• Signal detection: PIN-photodiode, with short-wave cut-off filter: λ>710 nm, selective phase lock amplifier (patent design).

• Measurement parameters: Fo, Fm, Fv/Fm, F, Fm’, Fo’, Y(II), i.e. ΔF/Fm’, qP, qL, qN, NPQ, Y(NO), Y(NPQ), rETR, etc.

• Working software: simple operation, powerful functions, completely free upgrade.

• Measurement program: with fluorescence induction curve, light response curve, fast light curve, fluorescence induction dark relaxation, light response curve dark relaxation and other program measurement functions, it must be able to measure qL, Y(NO) and Y(NPQ), etc.parameter.

• Curve fitting: Two equations can be used to fit the light response curve and give the fitting parameters.

• Ambient temperature: -5~+40℃

• Power supply: Powered by computer via USB data cable (including desktop computers, laptops, UMPC computers, etc.), 5 V.

• Dimensions: 115 x 65 x 30 mm, weight 200 g.

Purchase Guide

System composition: set (including host, micro-optical fiber, software, data cable), computer (not included with standard)

JUNIOR-PAM diagram

Origin: WALZ, Germany

References

Data source: Photosynthesis Literature Endnote database, updated to January 2021, with more than 10,000 documents

Original data source: Google Scholar

1.Asgher, M., et al. (2021). "Hydrogen peroxide modulates activity and expression of antioxidant energy and protects photosynthesis activity from arsenic damage in rice (Oryza sativa L.)." Journal of hazardous materials 401: 123365.

2.NA Varro, B. B., ETA. (2021). "the copper economy response is partially conserved in rice (or use za is ATI val.)." plant physics and biochemistry 158: 113-124.

3.Sousa, G. T., et al. (2021). "Photoprotection and antioxidative metabolism in Ulva lactuca exposed to coastal oceanic awareness scenarios in the presence of Irgarol." Aquatic Toxicology 230: 105717.

4.Ahmad, P., et al. (2020). "Zinc Oxide Nanoparticles Application Alleviates Arsenic (As) Toxicity in Soybean Plants by Restricting the Uptake of as and Modulating Key Biochemical Attributes, Antioxidant Enzymes, Ascorbate-Glutathione Cycle and Glyoxalase System."Plants 9: 825.

5.AI fan, S. C., ETA. (2020). "shading ASA determine fat or forth E survive and growth of Cabral EA." CER NE 26(3): 349-355.

6.Akther, S., et al. (2020). "Behavior of eukaryotic symbols in large benthic foraminifers Calcarina gaudichaudii and Baculologypsina sphaerulata under exposure to wastewater." Environmental Pollution: 114971.

7.Andrzejczak, O. A., et al. (2020). "The Hypoxic Proteome and Metabolome of Barley (Hordeum vulgare L.) with and without Phytoglobin Priming. ." Int. J. Mol. Sci(21): 1546.

8.Baldisserotto, C., et al. (2020). "Removal of Nitrogen and Phosphorus from Thickening Effluent of an Urban Wastewater Treatment Plant by an Isolated Green Microalga." Plants 9(12): 1802.

9.Berghetti, Á. L. P., et al. (2020). "MORPHOLOGICAL AND PHYSIOLOGICAL PARAMETERS IN YOUNG PLANTS OF Cordia trichotoma SUBMITTED TO THE APPLICATION OF PHOSPHORUS IN THE SOIL. Revista Árvore." SciELO 44.

10.Berghetti, Á. L. P., et al. (2020). "Morphological, physical and biochemical traits of Cordia trichotoma under phosphorus application and a water-retaining polymer." Journal of Forestry Research.

11.Borgohain, P., et al. (2020). "Exogenous trehalose ameliorates methyl viologen induced oxidative stress through regulation of stomatal pore opening and glutathione metabolism in tomato seedlings." Vegetos.

12.Bruno Wolffenbüttel, C., et al. (2020). "Response of Eragrostis planena and Eragrostis pilosa (L.) P. Beauv. submitted on flooded soil." Acta Scientiarum. Biological Sciences 42(1).

13.Capozzi, F., et al. (2020). "Implication of vitaminity, seasonality and specific leaf area on PAH uptake in moss and lichen translated in bags." Ecological Indicators 108: 105727.

14.Chandaravithoon, P., et al. (2020). "Measuring photosynthesis of both oxygenic and anoxygenic photosynthesis organisms using pulse amplitude modulation (PAM) fluorometry in wastewater ponds." Journal of Applied Phycology.

15.Cho, A. R. and Y. J. Kim (2020). "Night temperature determines flowering time and quality of Chrysanthemum morifolium during a high day temperature." The Journal of Horticultural Science and Biotechnology: 1-10.

16.de Souza, M. W. R., et al. (2020). "Fluorescence of chlorophyll a in transgenic maize with herbicide application and attacked by Spodoptera frugiperda (Lepidoptera: Noctuidae)." Phytoparasitica.

17.Devi, S. S., et al. (2020). "Redox status and oxalate examination determines the differential tolerance of two contrasting varieties of 'Assam tea' [Camelia sinensis (L.) O. Kuntz] in response to aluminum toxicity." Horticulture,Environment, and Biotechnology.

18.Dey, S., et al. (2020). "Iron deficiency in blackgram (Vigna mungo L.): Redox status and antioxidant activity." Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology: 1-20.

19.Donohoo, S. A., et al. (2020). "Finding the Sweet Spot: Sub-Ambient Light Increases Fitness and Kleptoplast Survival in the Sea Slug Plakobranchus cf. ianthobaptus Gould, 1852."  0(0): 000-000.

20.Foo, C. C., et al. (2020). "Photoprotective energy dissipation is greater in the lower, not the upper regions of a rice canopy: a 3D analysis." Journal of Experimental Botany.

twenty one.González-González, M., et al. (2020). "Physiological, Ecological, and Biochemical Implications in Tomato Plants of Two Plant Biostimulants: Arbuscular Mycorrhizal Fungi and Seaweed Extract." Frontiers in Plant Science 11: 999.

twenty two.Grechanik, V., et al. (2020). "Photoautotrophic hydrogen production by nitrogen-deprived Chlamydomonas reinhardtii cultures." International Journal of Hydrogen Energy.

twenty three.GR IE is better than El, A. M., ETA. (2020). "morphophysiological responses of forest seedling species subjected to different water regimes." journal of forestry research.

twenty four.Jiang, H., et al. (2020). "Effects of Increased Carbon Supply on the Growth, Nitrogen Metabolism and Photosynthesis of Vallisneria natans Grown at Different Temperatures." Wetlands.

25.Kreslavski, V. D., et al. (2020). "Deficiencies in physics A and B and cryptochrome 1 affect the resistance of the photosynthesis apparatus to high-intensity light in Solanum lycopersicum." Journal of Photochemistry and Photobiology B: Biology 210: 111976.

26.Ku Alliance Ann, M. S., ETA. (2020). "nitrogen supply methods affect the root growth dynamics in eucalyptus." forest ecological and management 473: 118320.

27.Kumar, P., et al. (2020). "Bioregulators application improved heat tolerance and yield in chickpea (Cicer arietinum L.) by modulating zeaxanthin cycle." Plant Physiology Reports.

28.Liu, J., et al. (2020). "Effect of summer warming on growth, photosynthesis and water status in female and male Populus cathayana: implications for sex-specific drought and heat tolerances." Tree physics.

29.Lubsch, A. and K. R. Timmermans (2020). "Phosphate and nitrate uptake dynamics in Palmaria palmata (Rhodophyceae): ecological and physical aspects of nutrient availability." Journal of Phycology n/a(n/a).

30.Muñoz, P. T., et al. (2020). "Physiological and metabolic responses to hypersalinity reveal interpopulation tolerance in the green macroalga Ulva compressa with different pollution histories." Aquatic Toxicology 225: 105552.