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Heinz Walz junior pam portable chlorophyll fluorometer
Junior Pam Portable Chlorophyll Fluorometer, supplied by Heinz Walz, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/chlorophyll+fluorometer/fluorometer+junior+pam/pm42284422-337-3-8
Average 86 stars, based on 1 article reviews
junior pam portable chlorophyll fluorometer - by Bioz Stars, 2026-09
86/100 stars

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Article Title: A Transcriptomic Analysis of Stylo [Stylosanthes guianensis (Aubl.) Sw.] Provides Novel Insights Into the Basis of Salinity Tolerance
Article Snippet: SPAD value was measured on upper-middle leaves with a SPAD meter (TYS-B, Zhejiang, China); Fv/Fm was estimated with a chlorophyll fluorometer (PAM-2500, Heinz Walz GmbH, Effeltrich, Germany) after leaves were dark-adapted for 15min, and Pn was measured using a portable photosynthesis system (Li-6400 XT, LICOR, Inc, Lincoln, NE, USA).

Article Title: Low and constant substrate moisture maintains quality and improves water use efficiency in indoor poinsettia
Article Snippet: The maximum quantum yield of photosystem II (PSII) (Fv/Fm) was measured on fully expanded leaves using a chlorophyll fluorometer (Mini-PAM; Heinz Walz GmbH, Effeltrich, Germany) after 20 min of dark acclimation.

Imaging:

Article Title: Transcriptome and Metabolome Profiling of a Novel Isolate Chlorella sorokiniana G32 (Chlorophyta) Displaying Enhanced Starch Accumulation at High Growth Rate Under Mixotrophic Condition
Article Snippet: Sucrose density was determined using a refractometer (Atago R5,000; Atago USA Inc., Tokyo, Japan). .. Photosystem II quantum yield (Fv/Fm) of cells was determined using a chlorophyll fluorometer based on pulse amplitude modulation (PAM) technique (Maxi Imaging-PAM system; Heinz Walz GmbH, Effeltrich, Germany) by following the manufacturer’s instruction. .. Total RNA from C. sorokiniana G32 cells was isolated using RNeasy Plant Mini Kit (Qiagen, Netherlands) according to the manufacturer’s instructions.

Fluorescence:

Article Title: Integrated physiological, proteomic, and metabolomic analyses of pecan cultivar ‘Pawnee’ adaptation to salt stress
Article Snippet: These analyses included the measurement of the photosynthetic rate ( P n), stomatal conductance ( G s), and intercellular CO 2 concentration ( C i), measured on an LI-6400XT portable photosynthetic rate meter (Li-COR Biosciences, Lincoln, USA), on functional leaves at 10:00–11:00 (under natural light) on six leaves with three replicates per group (as below). .. At the same time, maximal fluorescence (Fm), the initial fluorescence (F0), maximal photochemical efficiency (Fv/Fm), light-induced nonphotochemical quenching (NPQ), nonregulatory energy dissipation (Y(NO)), and photochemical quenching coefficient (qN) were measured in the leaves after incubation for 30 min in the dark using a chlorophyll fluorometer (PAM2500, Heinz Walz GmbH, Germany) and Pam-Win3 software. ..

Incubation:

Article Title: Integrated physiological, proteomic, and metabolomic analyses of pecan cultivar ‘Pawnee’ adaptation to salt stress
Article Snippet: These analyses included the measurement of the photosynthetic rate ( P n), stomatal conductance ( G s), and intercellular CO 2 concentration ( C i), measured on an LI-6400XT portable photosynthetic rate meter (Li-COR Biosciences, Lincoln, USA), on functional leaves at 10:00–11:00 (under natural light) on six leaves with three replicates per group (as below). .. At the same time, maximal fluorescence (Fm), the initial fluorescence (F0), maximal photochemical efficiency (Fv/Fm), light-induced nonphotochemical quenching (NPQ), nonregulatory energy dissipation (Y(NO)), and photochemical quenching coefficient (qN) were measured in the leaves after incubation for 30 min in the dark using a chlorophyll fluorometer (PAM2500, Heinz Walz GmbH, Germany) and Pam-Win3 software. ..

Software:

Article Title: Integrated physiological, proteomic, and metabolomic analyses of pecan cultivar ‘Pawnee’ adaptation to salt stress
Article Snippet: These analyses included the measurement of the photosynthetic rate ( P n), stomatal conductance ( G s), and intercellular CO 2 concentration ( C i), measured on an LI-6400XT portable photosynthetic rate meter (Li-COR Biosciences, Lincoln, USA), on functional leaves at 10:00–11:00 (under natural light) on six leaves with three replicates per group (as below). .. At the same time, maximal fluorescence (Fm), the initial fluorescence (F0), maximal photochemical efficiency (Fv/Fm), light-induced nonphotochemical quenching (NPQ), nonregulatory energy dissipation (Y(NO)), and photochemical quenching coefficient (qN) were measured in the leaves after incubation for 30 min in the dark using a chlorophyll fluorometer (PAM2500, Heinz Walz GmbH, Germany) and Pam-Win3 software. ..



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Physiological characterization of Synechocystis under Lys treatment with and without 25 µm Lys. a) Growth represented by the mean of OD 750 ± SD from biological triplicates. b) Photosynthetic efficiency in form of PSII quantum yield ± SD from biological triplicates measured by a PAM <t>fluorometer.</t> c) The whole-cell spectrum of 1 replicate is shown at time points 0 (solid lines) and 96 h (dotted lines) of Lys treatment. Absorbance values are normalized to OD 1.0 at 750 nm. Absorption peaks characteristic of phycobilisomes and <t>chlorophyll</t> a are indicated. d) Representative of DiBAC 4 (3) staining of cells after 48 h of Lys treatment. Green stained cells are dead cells. Some enlarged cells are indicated with red arrows. e) Quantification of average dead cells (in percentage) stained with DiBAC 4 (3) from untreated and Lys-treated biological triplicates. About 500 to 1,000 cells were counted per replicate. Error bars represent the SD of the averages of each replicate. f) Quantification of average cell diameter from about 1,000 cells in total per condition. Bar and whisker denote 5th, 25th, median, 75th, and 95th percentiles. The average diameter of each replicate from biological triplicates was calculated and significance was tested with a Student t -test. Significance is indicated by an asterisk (* = P -value < 0.05). g) Levels of ROS in Lys-treated cells relative to untreated cells (at time point zero) measured from biological triplicates. The error bars represent the propagated relative uncertainty (%). The presence of ROS was quantified using the H2DCFDA fluorescent marker .
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Physiological characterization of Synechocystis under Lys treatment with and without 25 µm Lys. a) Growth represented by the mean of OD 750 ± SD from biological triplicates. b) Photosynthetic efficiency in form of PSII quantum yield ± SD from biological triplicates measured by a PAM fluorometer. c) The whole-cell spectrum of 1 replicate is shown at time points 0 (solid lines) and 96 h (dotted lines) of Lys treatment. Absorbance values are normalized to OD 1.0 at 750 nm. Absorption peaks characteristic of phycobilisomes and chlorophyll a are indicated. d) Representative of DiBAC 4 (3) staining of cells after 48 h of Lys treatment. Green stained cells are dead cells. Some enlarged cells are indicated with red arrows. e) Quantification of average dead cells (in percentage) stained with DiBAC 4 (3) from untreated and Lys-treated biological triplicates. About 500 to 1,000 cells were counted per replicate. Error bars represent the SD of the averages of each replicate. f) Quantification of average cell diameter from about 1,000 cells in total per condition. Bar and whisker denote 5th, 25th, median, 75th, and 95th percentiles. The average diameter of each replicate from biological triplicates was calculated and significance was tested with a Student t -test. Significance is indicated by an asterisk (* = P -value < 0.05). g) Levels of ROS in Lys-treated cells relative to untreated cells (at time point zero) measured from biological triplicates. The error bars represent the propagated relative uncertainty (%). The presence of ROS was quantified using the H2DCFDA fluorescent marker .

Journal: Plant Physiology

Article Title: Deciphering the metabolic details of L-lysine toxicity in cyanobacteria

doi: 10.1093/plphys/kiag106

Figure Lengend Snippet: Physiological characterization of Synechocystis under Lys treatment with and without 25 µm Lys. a) Growth represented by the mean of OD 750 ± SD from biological triplicates. b) Photosynthetic efficiency in form of PSII quantum yield ± SD from biological triplicates measured by a PAM fluorometer. c) The whole-cell spectrum of 1 replicate is shown at time points 0 (solid lines) and 96 h (dotted lines) of Lys treatment. Absorbance values are normalized to OD 1.0 at 750 nm. Absorption peaks characteristic of phycobilisomes and chlorophyll a are indicated. d) Representative of DiBAC 4 (3) staining of cells after 48 h of Lys treatment. Green stained cells are dead cells. Some enlarged cells are indicated with red arrows. e) Quantification of average dead cells (in percentage) stained with DiBAC 4 (3) from untreated and Lys-treated biological triplicates. About 500 to 1,000 cells were counted per replicate. Error bars represent the SD of the averages of each replicate. f) Quantification of average cell diameter from about 1,000 cells in total per condition. Bar and whisker denote 5th, 25th, median, 75th, and 95th percentiles. The average diameter of each replicate from biological triplicates was calculated and significance was tested with a Student t -test. Significance is indicated by an asterisk (* = P -value < 0.05). g) Levels of ROS in Lys-treated cells relative to untreated cells (at time point zero) measured from biological triplicates. The error bars represent the propagated relative uncertainty (%). The presence of ROS was quantified using the H2DCFDA fluorescent marker .

Article Snippet: The PSII activity was measured with a WATER-PAM chlorophyll fluorometer (Walz GmbH; Effeltrich, Germany), as described previously ( ).

Techniques: Staining, Whisker Assay, Marker