NOTICE: UTMSI suffered damage in Hurricane Harvey. Our Port Aransas campus and the Bay Education Center in Rockport are currently closed. Thank you for your support and understanding. 

Analysis Service / Contact Information

Description of Service

Isotope Ratio Mass Spectrometry
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(361) 749-3099

  • Carbon and nitrogen isotopic composition of solid samples (sediment, soil, nutrient filters, tissues). EA-IRMS.
  • Carbon and oxygen isotopic composition of carbonates. Gasbench-IRMS.
  • Oxygen and hydrogen isotopic composition of water. Gasbench-IRMS.
  • Carbon isotopic composition of dissolved inorganic carbon. Gasbench-IRMS.
  • Compound specific carbon and nitrogen isotopic compositions of fatty acids, alkanes, alcohols, amino acids. GC-C-IRMS.

Elemental and Nutrient Analysis
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(361) 749-3099

  • Carbon, hydrogen and nitrogen abundance measurements in solid samples (sediment, soil, nutrient filters, tissues). 
  • Total organic carbon and total dissolved nitrogen abundance measurements in aqueous samples (seawater, river water, groundwater).
  • Quantify nutrients (ammonium, nitrate, silicate, phosphate) in aqueous samples (seawater, river water, groundwater).

LC-Ion-Mobility-Quadrupole-Time-of-Flight-Mass-Spectrometry
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(361) 749-3099

  • Provide accurate mass detection, molecular discovery and quantification of analytes, including but not limited to, proteins, metabolites, lipids and carbohydrates. Agilent 6560 LC/MS IM-QTOF.
Hydrography
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(361) 749-6720

  • Current meter measurements: acquisition and reduction only
  • Current meter measurements: acquisition, reduction and analysis
  • Tides: acquisition and reduction of data from instrumentation
  • Conductivity/Temperature/Depth: reduction and analysis of CTD profiler data
  • Weather: acquisition and reduction only of data from meteorological system instrumentation
  • Data for DODS System
Phytoplankton Ecology
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361) 749-6732

  • Segmented Flow Analysis: Inorganic nutrients (no sample collection included)
  • Segmented Flow Analysis: Organic nutrients and Urea (no sample collection included)
  • Flow injection Analysis: Sample Collection
  • Manual methods: Chlorophyll a by fluorometry, non-acidification technique
  • Manual methods: Chlorophyll a, b, c by dual beam spectrophotometry
  • Manual methods: Sample Collection
  • Microalgal Taxonomy: Inverted Microscopy
  • Pam Fluorometry
  • Particulate Phosphate Measurement
Algae & Seagrass Photosynthesis
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(361) 479-6744

  • Photosynthetic Chamber: Spectrometric analysis - Class I Sediment Ammonium
  • Photosynthetic Chamber: Spectrometric analysis - Class II Nitrate + Nitrite
  • Tissue Constituent Analysis: Class I - Red Algae Chlorophyll a and carotenoids
  • Tissue Constituent Analysis: Class II - Green Algae Chlorophyll a and b
  • Tissue Constituent Analysis: Class III - Brown Algae Chlorophyll a only with wavelength scan
  • Tissue Constituent Analysis: Class III - Brown Algae Chlorophyll a only without wavelength scan
  • Tissue Constituent Analysis: Class III - Brown Algae Chlorophyll a, c, carotenoids, fucoxanthin
  • Tissue Constituent Analysis: Class IV-Photo plankton Chlorophyll a, spectrophotometric or fluorometric
  • Tissue Constituent Analysis: Class V - Vascular Plants Chlorophyll a and b
  • Tissue Constituent Analysis: Class V - Vascular Plants Soluble carbohydrates
  • Tissue Constituent Analysis: Class V - Vascular Plants Biomass, density and percent coverage
  • Tissue Constituent Analysis: Class V - Vascular Plants Sediment grain size
  • Par Measurement:L1-1000 Datalogger measurement of photo syntheitcally active radiation (PAR) 
Benthos
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(361) 749-6744


  • Benthic Sediment Sample Collection: Smith McIntyre grab & hydrographic data
  • Benthic Sediment Sample Collection: Three cores by diver and hydrographic data
  • Benthic Invertebrate Sample Analysis: Smith McIntyre Grab (0.1 m2)
  • Benthic Invertebrate Sample Analysis: Core Sample (6.7 cm I.D., 35.3 cm2, 10 cm depth, mud or sand)
  • Benthic Invertebrate Sample Analysis:  Core Sample (6.7 cm I.D., 35.3 cm2, 10 cm depth, seagrass)
  • Sediment Analysis: Sediment Sand-Silt-Clay Content
  • Sediment Analysis: Sediment Grain size distribution
  • Sediment Analysis: Carbon and Nitrogen
  • Sediment Analysis: Total Organic Carbon, Carbon and Nitrogen, acidified sample
  • Epibenthos/Necktonic Analysis: Trawl
  • Chlorophyll Analysis: Chlorophyll a by fluorometry, non-acidification technique
Reproductive Physiological Analysis
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(361) 749-6768



  • Steroid Hormones by RIA-Radioimmunoassy of Estradiol
  • Steroid Hormones by RIA-Secretory capacity of gonads
  • Vitellogenin Measurements-By RIA for Sciaenid Species
  • Vitellogenin Measurements-By Measurement of Protein-bound Phosphorus for Other Species
  • Gonadotropic & Thyroid Hormones by RIA
  • Hormonal Control of Fish-egg Maturation
  • Hormonal Induction of Spawning Testing
  • Estogen Receptor Assay
  • Secretory Capacity of Pituitary and Response to LHRH
  • Estrogen Receptor Competition Assay with PCB and DDTs
  • Assessment of Spawning Readiness
Plankton Processes & Characterization
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(361) 749-3102

  • Measurement of Zooplankton Grazing: Gut Pigment Technique
  • Enumeration of Plankton Samples: Phytoplankton &/or Microzooplankton Samples, Utermohl's Technique
  • Enumeration of Zooplankton Samples
  • Fluorometric analysis of chlorophyll a
  • Cuturing of marine protozoa
  • Collection of wild zooplankton

Fish Ecology and Behavior
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(361) 749-6775

  • Fish Behavior: Fish Rearing-Laboratory Hatchery
  • Fish Behavior: Video Tape Recording and Analysis
  • Fish Behavior: Video Measurement
  • Fish Behavior: Quantitative/Statistical Analysis