Protocols

All (1474)Explore Protocol Graph

72 protocols

laboratory

Rock sample preparation for column experiments

Standardized preparation of rock samples for weathering experiments including crushing to uniform size, ultrasonication cleaning to remove fines, and oven drying. Designed to expose fresh surface area...

sample preparation1 papercrushing equipment, Nalgene bottles...
laboratory

SDR haplotype genotyping in wild strawberry (Rosaceae)

PCR-based genotyping to identify sex chromosome haplotypes in the sex-determining region (SDR) of Fragaria virginiana, distinguishing between alpha, beta, and gamma variants.

molecular1 paperAg-Biotech Inc. DNA extraction kit, Primer3 software...
laboratory

Seed bank assessment via greenhouse germination (Primulaceae)

Assessment of belowground seed bank viability and abundance through controlled greenhouse germination trials. Seeds collected from natural populations and tested under standardized conditions followin...

reproductive potential1 papergreenhouse facilities, seed collection containers...
laboratory

Soil and rock leachate analysis

Laboratory leaching of soil and rock samples using artificial groundwater solutions to determine nitrogen and ion release potential. Samples are powdered and equilibrated with solution for chemical an...

geochemical1 paperhand-auger, core sampling equipment...
laboratory

Soil nucleic acid extraction with phenol-chloroform (Asteraceae)

Modified phenol-chloroform extraction protocol optimized for soil samples using CTAB buffer and mechanical disruption for simultaneous DNA and RNA recovery.

molecular extraction1 paper2 ml Lysing Matrix E tube, MP Biomedicals FastPrep-24 instrument...
laboratory

Soil sieving for seed extraction (Ericaceae)

Two-stage sieving protocol using 2000-micron and 500-micron mesh sieves to separate seeds and seed fragments from soil samples, followed by visual identification using herbarium resources.

sample processing1 paperpaper bags, 2000-micron mesh sieve...
laboratory

Standard plant histology (Polemoniaceae)

Standard plant histological protocol involving glutaraldehyde fixation, resin embedding, serial sectioning at 1.5 μm, and multiple staining techniques including toluidine blue for general structure an...

histology1 paper3% glutaraldehyde, 0.1 M sodium cacodylate buffer...
laboratory

Surface sterilization and isolation of leaf endophytes (Poaceae)

Surface sterilization and cultivation of leaf endophytes from grass blade segments using ethanol and sodium hypochlorite sterilization followed by plating on culture medium. Isolates were maintained u...

microbiology1 paper95% ethanol, 1% sodium hypochlorite...
laboratory

cold stratification (Orobanchaceae)

Cold stratification protocol for hemiparasite seeds followed by controlled germination under standardized temperature and photoperiod conditions. Includes seedling selection at specific developmental ...

plant propagation1 paper4°C refrigerator, moist filter paper...
laboratory

dilution plate method (Limnephilidae)

Serial dilution of sonicated material samples plated on agar with selective media to enumerate and characterize fungal morphotypes while inhibiting bacterial growth.

microbiology1 papersonicator, agar plates...
laboratory

insect dissection (Silphidae)

Microscopic dissection to locate and examine spermatheca in female burying beetles. Standard entomological dissection technique adapted for reproductive organ examination.

anatomical1 paperdissecting microscope, Zeiss microscope...
laboratory

spermatophore counting (Pieridae)

Dissection and counting of spermatophores in female bursa copulatrix to quantify mating success and reproductive history in wild-caught butterflies.

reproductive1 paperhand nets, freezer...
laboratory

tetrazolium test (Brassicaceae)

Standard biochemical assay using 2,3,5-triphenyltetrazolium chloride staining to distinguish between dormant and nonviable seeds that failed to germinate.

seed biology1 paper2,3,5-triphenyltetrazolium chloride solution
laboratory

Anaerobic sediment processing

Processing of sediment samples in anaerobic chamber with nitrogen-hydrogen gas mixture to preserve field conditions.

0 papers
laboratory

Foliar sample preparation

Cleaning, drying at 65°C for 72 hours, grinding, and powdering of foliar samples for analysis.

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laboratory

Laboratory trait analysis (Animalia)

Laboratory analysis of blood samples including RIN score determination and cell counts.

0 papers
laboratory

Microwave digestion

Laboratory method for sample preparation and analysis.

0 papers
laboratory

Sample preparation and QA/QC

Sample preparation with 2% nitric acid dilution and rigorous quality assurance and quality control processes including blanks, standards, and calibration.

0 papers
laboratory

Sediment processing

Laboratory analysis of collected aeolian sediment samples to determine dust mass and horizontal flux.

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laboratory

Sequential Chemical Extraction

Soil samples extracted into exchangeable, apatite, and silicate pools using different chemical solutions to isolate nutrient sources.

0 papers
laboratory

consensus Polymerase Chain Reaction (Animalia)

PCR-based method used to detect coronavirus sequences in wildlife samples collected from various points along supply chains.

0 papers
laboratory

phagocytosis assay (Fungi)

Measurement of neutrophilic phagocytosis of fungal conidia using recombinant components.

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