Szivek Lab Alumni

Medical Graduate Student

Jason Davis

University of Arizona Medical Student Researcher

Medical student in MSRP

Part of cartilage tissue engineering study

Cut bone and joint specimens

Photographed native cartilage


Jamie Fleming

University of Arizona Medical Student Researcher

Medical student evaluating pluripotent adult stem cells

Developed protocol to extract and differentiate stem cells into chondrocytes

Evaluated purity of stem cell populations using PCR and flow cytometry

Tested adult adipose derived stem cells and PRP to accelerate healing

Wrote proposals in order to further study stem cells and PRP

Proposed additional evaluation techniques to better identify stem cells


Chris Geffre

University of Arizona MD/PhD Student Researcher

Physiological sciences Graduate student in MD/PhD program studying sensate scaffold development

Strain gauge preparation and in vivo monitoring

Evaluation of bone ingrowth into joint resurfacing scaffolds

Histology and histomorphometry of bone in scaffold pores

Examination of effect of interface loading conditions on scaffold surfaces


David Margolis

University of Arizona MD/PhD Student Researcher

Physiological sciences Graduate student in MD/PhD program studying sensate scaffold development

Strain gauge preparation and in vivo monitoring

Evaluation of bone formation in under calcified and over calcified bones

Evaluation of mechanical effects governing bone pain induced by bone cancer

Cartilage tissue engineering studies


Jose Ochoa

Visiting Medical Student - University of Illinois at Chicago

Carried out bone regeneration research with chitosan

Embedded bones following in vivo testing

Prepared Histology - cut and stained bones using MIBS

Examined and photographed sections in transmitted and UV light

Photographed regions showing bone formation.


Javier Rojas

University of Arizona Medical Student

MSRP student

Aided in exercise programs

Evaluated activities levels

Examined bone formation

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student

Cody Bliss

Biomedical Engineering PhD student

Biomedical engineering graduate student working on scaffold for cartilage regeneration

Developed updated scaffold configuration for cartilage regeneration

Attached and calibrated sensors on scaffolds to allow in vivo load detection

Examined effects of interface compliance on measurement accuracy

Tested implantable scaffolds with sensors in vivo


Vivek S Nandakumar

Electrical Engineering Master's Student

Electrical engineering student who developed new software for in vivo strain measurements

Tested LabView software for telemetric collection of measurements

Modified measurement collection software to run on handheld computer

Evaluated accuracy of measurement system in comparison to hard wired measurements

Updated system to work with USB ported measurements


Kevin Okarski

Biomedical Engineering PhD Student

Biomedical Engineering PhD student

Developed secondary extraction/purification technique for adult stem cells

Tested purified cell populations to assess stem characterisitics

Tested terminal differentiation of stem cells from purified batches

 


Jackie Ouellette

Biomedical Engineering Master's student

1. BME Master’s graduate student

2. Developed measurement collection software for a tablet

3. Tested telemetry equipment connected to implantable strain sensors

4. Established critical strain levels to provide notifications

4. Modified software system to provide notifications to user


Undergraduates

Chelsea Brown

Undergraduate Research Assistant

Stem cell and cartilage regenerative research study

Extracted adipose derived pluripotent (stem) cells

Cultured, fed cells and expanded cells

Utilized proteins to terminally differentiate cells

Examined chondrogenic potential of terminally differentiated cells


Laurel Cox

Undergraduate Research Assistant

Designed and perfected extraction process for pluripotent (mesenchymal stem) cells

Expanded cells to confluence

Characterized cells using real time PCR

Terminally differentiated cells to chondrocyte lineage

Expanded cell populations for tissue growth studies

SIMI and UBRP

 

 


Nick Diggins

Undergraduate Research Assistant

AME undergraduate student in WAESO program

Prepared long segment regeneration scaffolds

Carried out FEA of long segment regeneration scaffolds

Mechanical testing of scaffolds prior to implantation


Patrick Kishi

Undergraduate Research Assistant

Undergraduate student researcher

Prepared histological slides

Examined tissue to determine protein structures

Photographed tissues


Michael Martinez

Undergraduate Research Assistant

Developed and modified bone segmental defect filling scaffold

Imaged bone to port to SolidWorks for scaffold printing

Modified scaffold designs until appropriate properties were achieved

Added sensors to scaffolds for testing

Tested scaffolds to assess strength and stiffness


McKenzie McDaniel

Undergraduate Research Assistant

Extracted human pluripotent (mesenchymal stem) cells

Expanded cells to confluence and counted cells

Characterized cells and terminally differentiated cells to chondrocyte lineage

Grew tissue in cell culture in static conditions and whiel being loaded

Grew tissue in culture with cells loaded in axial compression and in shear


Derek Moore

Undergraduate Research Assistant

Produced molded silicone well plates for cell culture

Tested culture plates to insure fatigue strength

Mounted well plates in cell loading machine to assess fit


Amanda Urbina

Undergraduate Research Assistant

Undergraduate student in WAESO

Worked on cell culture of stem cells

Fed and terminally differentiated cells for cartilage regeneration study

Examined loading of joints to better understand bone formation


Jose Valdez

Undergraduate Research Assistant

Developed and constructed an apparatus to load cells

Tested apparatus for uniformity of loading

Mechanically loaded chondrocytes to assess tissue formation

 


Heather Waters

Undergraduate Research Assistant

Undergraduate student in UBRP

Worked on cartilage tissue engineering using endogenous stem cells

Cut bone cores from joints and used endogenous cells in cell culture to grow cartilage

Evaluated histology to establish number of cells required to grow new tissue

Published in vitro cartilage tissue engineering results