The research and development activities of the Signal Processing and Instrumentation Section (SPIS) are collaborative efforts with NIH Institute scientists, and often result in the development of unique, specialized biomedical instruments. Other projects involve signal and video processing algorithm development required for system simulation and data analysis. In-house capabilities and accomplishments have established SPIS as an engineering focal point that strengthens the IRP interactive environment facilitating science through successive iterations of experiment, theory development, and design. With 25+ active projects, SPIS has collaborated with 18 NIH Institutes and Centers on technology and methodology development projects. Example past and current collaborative projects, as well as associated research studies include: 1. Laser Capture Tissue Microdissection (LCM) for Molecular Analysis of Disease States and Normal Development Tissue Activated/Expression Microdissection (TAM, xMD) (NCI, NICHD, NIMH, NIBIB, and CIT). 2. Electron Paramagnetic Resonance (EPR) Imaging of In Vivo Oxygen Status Associated with Cancer Treatment Studies (NCI, NINDS, and CIT). 3. Technologies for Fly Optomotor Behavioral Analysis and Genetic Dissection of Color-vision Circuit Studies (NICHD). 4. Systems Enabling Study of Integration of Chromatic Information in the Higher Visual Center of Drosophila (NICHD). 5. Advanced Methods of Whole Mount Sectioning of Prostatectomy Specimens for Imaging, Diagnosis, and Pathology Studies - Correlating In Vivo Prostate MRI and Histopathology using Individualized MR-Based Molds (NCI and CIT). 6. System for Continuous Observation of Rodents in Home-cage Environment (SCORHE) for Phenotyping and Cancer Treatment Evaluation (NCI and FDA). 7. Quantitative Fluorescence Lifetime Imaging for Disease Detection and Monitoring (NICHD, NCI, NIBIB, and Washington University). 8. Perfusion Bioreactor System facilitating 3D Skin Model Development for Cancer and Drug Efficacy Studies (NCI and NIBIB). 9. Tumor Cell Monitoring Strategies to Study the Effects of Microenvironment on Anti-cancer Drug Efficacy In Culture Monitoring and Control Technologies for Modeling In Vivo Conditions (NCI). 10. Quantitative Characterization of Normal and Disease Cervix Tissue (NICHD and NHLBI). 11. High-resolution Gamma Imager and Positron Position Imager for Small Animal Imaging of Radioisotopes for Cancer Treatment (NCI, CC, and Thomas Jefferson National Accelerator Facility). 12. Signal Processing of Autonomic Measures for Behavioral Neurophysiology (NIMH). 13. Development of a Video-Based Tracking System for the Clinical Evaluation of Motor Disorders (NIDA and NINDS). 14. Phenotyping and behavior analysis for Top1mt/Parkin deficient mice (NCI). 15. Large-scale video monitoring study of effect of Drd2 gene on obesity (NIDDK). 16. Profiling activity of mice on Tempol diet (NCI). 17. Wireless Transmission of Anesthesiology Parameters in an MRI Environment (CC). 18. Spectral Domain Optical Coherence Tomography (OCT) for Tissue Motion Tracking and Skin Blood Volume Imaging (NHLBI and NICHD). 19. Photo Dynamic Therapy (PDT) Technologies Integrated with Cancer Imaging Probes (NCI and NIBIB). 20. A Handheld Field Deployable Hematoma Detector: A Practical Application of Motion as Signal in Near Infra-red Imaging (NICHD) 21. Two-Photon Excitation Fluorescence Microscopy (TPEFM) Motion Tracking to Study In-vivo Subcellular Structures (NHLBI). 22. Portable Fluorescence Camera System for Offsite Tumor Imaging (NCI, NIBIB, and INOVA Fairfax Hospital). 23. Image-Based Robotic Targeting System to Control Micromanipulators for Living Biological Tissues (Brain/Spinal) Studies (NINDS and Columbia University). 24. Functional Near Infrared Spectroscopy Imaging Technologies for the Study of Traumatic Brain Injury (NINDS and NICHD). 25. Fluorescence Photo Activation Localization 2D/3D Microscopy and Analysis System to Study Biological Processes (NCI, NIAID, NICHD, NIBIB, and CIT). 26. Tissue Microarray (TMA) Technologies for Cancer Studies (NCI, Childrens National Medical Center, and Suburban Hospital Pathology). 27. Temporal-spectral Programmable Lighting for Health and Rhythm Entrainment (NICHD, OD, NINR, Lawrence Berkeley National Laboratory, and Department of Energy). 28. Nonhuman Primate Maternal-fetal Monitoring System for Investigating the Affects of Prenatal Psychological Stress (NICHD). 29. Bronchial Tree 3D Models to Enable Development of Radio-frequency and Laser Ablation Methodologies (CC and NCI). 30. Obtaining Isolated IR Spectrum of Each Stage in the Polymerization of Abeta Oligomers (NHLBI and NIBIB). 31. Visible and IR Optical Scanning Spectrometry to Study Energy Transduction by Bacteriorhodopsin (NHLBI, NIBIB, National Institute of Standards and Technology (NIST), Center for Advanced Research in Biotechnology (CARB) Institute, and Syracuse University). 32. Muscle Tension Transients Collection and Analysis Technologies to Study Cardiomyopathy Mutations (NHLBI). 33. Real-time Fluorescence-Enhanced Imaging as an Aid to Cancer Surgery (NCI and NIBIB). 34. Methods to Indentify Neural Substrates of Behavior in Flies - Flight Initiation Detection System (NIMH). 35. Technologies to Assess Saliva Production in Association with Sjgren Syndrome Studies (NIDCR). 36. High-Throughput Ultrasound-accelerated Tissue Fixation Technologies to Improve Biomolecule Preservation (NCI and Armed Forces Institute of Pathology (AFIP)). 37. MRI Motion Artifacts Technologies to Generate Phantom Motion for the Study of Correction Strategies (NICHD and CIT). 38. Technologies for low-field MRI (NICHD). 39. Automated Fabrication Technologies for Hydrogels with Gradient of Compliance: Application to Cell Mechanotaxis and Durotaxis (NICHD). 40. High Resolution Vibrational Spectroscopic Imaging to Study Cellular Membranes (NIDDK). 41. Microfluidics, Microfabrication, and Microanalysis Technologies for Molecular Analysis and Biomedical Research (NIBIB and National Institute of Standards and Technology (NIST)). 42. Functional MRI (fMRI) Methodologies and Devices to Study Communication Disorders and Treatments (NIDCD). 43. Classification of Monkey Vocalizations for Neurophysiological Studies involving Auditory Processing (NIMH). 44. Genetics and Mechanisms of Pain - Developing a Mouse Model - A Non-injurious Assay to Study Mechanisms of Pharmacodynamics and Transmission of Noxious Stimulus (CC and Children's National Medical Center). 45. Functional MRI to Study Neural Processes Underlying Self-agency (NINDS and University of Miami). 46. Real-time Multispectral Endoscope Imaging as an Aid to Cancer Surgery and HPV Studies (NCI and NIBIB). 47. Gait Analysis Technologies (CC, NICHD, and University of Delaware). 48. cDNA and Protein Microarray Technologies (NCI, NHGRI, and NIEHS). 49. Chromosome Microdissection Technologies (NICHD and NHGRI). 50. Single Molecule, DNA, and Chromatin Fiber Mechanics and Manipulation Technologies (NCI and NICHD). 51. Atomic Force Microscopy (AFM) Imaging (NIAMS). 52. Magnetic Resonance Elastography (MRE) Imaging (NINDS). 53. Ultrasound Imaging (NHLBI).

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Freidlin, Raisa Z; Dave, Amisha D; Espey, Benjamin G et al. (2018) Measuring Risky Driving Behavior Using an mHealth Smartphone App: Development and Evaluation of gForce. JMIR Mhealth Uhealth 6:e69
DiStefano, Tyler; Chen, Holly Yu; Panebianco, Christopher et al. (2018) Accelerated and Improved Differentiation of Retinal Organoids from Pluripotent Stem Cells in Rotating-Wall Vessel Bioreactors. Stem Cell Reports 10:300-313
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Salem, Ghadi H; Dennis, John U; Krynitsky, Jonathan et al. (2015) SCORHE: a novel and practical approach to video monitoring of laboratory mice housed in vivarium cage racks. Behav Res Methods 47:235-50

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