I&I Industrial & Institutional (cleaning)
IAA 3-Indole Acetic Acid
IAB Intellectual Asset Business
IACM Intl. Association of Color Manufacturers
IAPV Israel Acute Paralysis Virus
IAQ Indoor Air Quality
IAR Illuminance Anisotropic Ratio
IB Inter Body (Orthopaedics>Spine)
IBAO Iso Butyl Alumin Oxane
IBCC Instituto Brasileiro de Controle do Câncer
IBD Inflammatory Bowel Disease
IBMA Iso Butyl Meth Acrylate
IBP Ice Binding Protein
IBS Irritable Bowel Syndrome
IBS-C Irritable Bowel Syndrome with Constipation
IBTBE Iso Butyl Tert. Butyl Ether
IBV Infectious Bronchitis Virus (poultry)
IC Integrated Circuit
ic Intra Cellular
IC Interstitial Cystitis
ICAM Inter Cellular Adhesion Molecule
ICAT Isotope Coded Affinity Tags (Proteomics; Protein Expression Profiling)
ICB Institute for Collaborative Biotechnologies (USA)
ICBR Integrated Corn-based Bio Refinery
ICBT Intra Cavitary Brachy Therapy
ICCB Institute of Chemistry & Cell Biology (Harvard)
ICD Implantable Cardioverter Defibrillators
ICE Improved Chemical Identity (Pharma.)
ICE IL Convertase Enzyme
ICF Insulating Concrete Forms
ICF Neuro Intra Cranial Fluids
ICG Indo Cyanine Green
ICI Imperial Chemical Industries (UK Co.)
ICM Implantable Cardiac Monitor
ICP Insecticidal Crystal Protein
ICP Inductively Coupled Plasma
ICP-MS Inductively Coupled Plasma Mass Spectrometry
ICR Ion Cyclotron Resonance
ICR Institute of Cancer Research (London, UK)
ICS Inhaled Cortico Steroid
ICSI Intra Cytoplasmic Sperm Injection
ICU Intensive Care Units
ID IDentification; IDentity
IDA Iron Deficiency Anemia
IDC Inheritable Dilated Cardiomyopathy
IDDM Insulin Dependent Diabetes Mellitus
IDE Investigational Device Exemption
IDE Integrated Design Environment
IDE Insulin Degrading Enzyme
IDH Isocitrate De Hydrogenase
IDO Indoleamine-2,3-DiOxygenase
IDP Intrinsically Disordered Protein
IDS Iduronate 2-Sulfatase (enzyme)
IE IrEland
IED Improvised Explosive Device
IEG Inhibitory Enterocyto Genin
IEM Isocyanato Ethyl Methacrylate
IEM Image Enhancing Moieties
IER Ion Exchange Resin
IET Integrated Environmental Technologies
IF Intrinsic Factor
IF Impact Fluidity
IF Inorganic Fullerenes
IFC Integrated Fluidic Circuits
IFE In Flight Entertainment
IFN Interferon
IG Immuno Globulin
IGA Immuno Globulin A
IGCC Integrated Gasification Combined Cycle (clean coal power plant)
IGE Immuno Globulin Epsilon
IGE Immuno Globulin E
IGF Insulin Growth Factor
IGFBP IGF Binding Protein
IGG Immuno Globulin G
IGIV Immune Globulin Intra Venous
IGM Inheritable Genetic Modification
IGM Immuno Globulin M
IGS Integral Glycan Sequencing
IGT Impaired Glucose Tolerance
IHC Immuno Histo Chemistry
IHN Infectious Hematopoietic Necrosis
IHNV Infectious Haematopoietic Necrosis Virus
IHT Induced Hemorrhagic Time
IIM Industrial & Institutional Market
IISRP International Institute of Synthetic Rubber Producers (USA)
IL Inter Leukin
IL IsraeL
ILD Inter Layer Dielectric
ILED InOrganic Light Emitting Diode
ILGF Insulin Like Growth Factor
ILK Integrin Linked Kinase
ILM Intraoperative Lymphatic Mapping (Oncology)
ILR intraocular lens replacement
IM Infectious Mononucleosis
IM Intra Muscular
IM Industrial Maintenance
IMAC Immobilized Metal Affinity Chromatography
IMC Inert Matrix Composition
IMCVD Immune-Mediated Cochlear or Vestibular Disorder
IMH Intra Mural Hematoma
IMI Imidazolinone (Herbicide)
IMI Inferior Myocardial Infarction
IMM Institut fuer Mikrotechnik Mainz
IMP Inosine 5-Mono Phosphate
IMPDH IMP De Hydrogenase
IMRI Intra-operative MRI guidance
IMRT Image-guided, intensity-Modulated Radiation Therapy
IMS Ion Mobility Spectrometry
IN INdia
INCA Instituto Nacional do CAncer (Brazil's Ministry of Health)
INCI International Nomenclature of Chemical Ingredients
IND Investigational New Drug
INDA Investigational New Drug Application
INEEL Idaho National Engineering & Environmental Laboratory (USA Federal Gov.).
INFO INFOrmation
INGAP Islet Neogenesis Associated Protein
INOS Inducible form of NOS
INSERM Institut Santé et Recherche Médicale (France)
INSYRT IN situ lipid SYnthesis for protein Reconstitution Technology
IO Intra Osseous
IOIS Idiopathic Orbital Inflammatory Syndrome
IOL Intra Ocular Lens
IOP Increased Ocular Pressure
IORT Intra Operative Radiation Therapy
IP Intellectual Property
IP Internet Protocol
IPA Iso Phthalic Acid
IPA Iso Propyl Alcohol
IPAH Idiopathic Pulmonary Arterial Hypertension
IPAM IP Address MAN.
IPBC 3-Iodo-2-Propynyl-N-Butyl Carbamate (biocide)
IPC Inositol Phosphoryl Ceramide
IPD Invasive Pneumococcal Disease
IPDI Iso Phorone Di Isocyanate
IPEN Instituto de Pesquisas Energeticas e Nucleares (Brazil)
IPF Idiopathic Pulmonary Fibrosis
IPI Inactive Pharma. Ingredients
IPL Intense Pulsed Light
IPM Integrated Pest Management
IPN Interpenetrating Polymer Network
IPO Initial Public Offering
IPR inter partes review
IPS Induced Pluripotent Stem
IPSC Induced Pluripotent Stem Cells
IPT Inductive Power Transfer
IQF Individually Quick Frozen (food: green vegetable)
IR Infrared
IR Immediate Release (Pharma.)
IRDS Infant Respiratory Distress Syndrome
IRED Infra Red Emitting Diode
IRFNA Inhibited Red Fuming Nitric Acid (oxidizer)
IRMOF Iso Reticular Metal-Organic Frameworks
IRO Independent Review Organizations
IRP Iron Regulating Proteins
IRS Insulin Resistance Syndrome
IRT Interactive Response Technology
IRTK Insulin Receptor Tyrosine Kinase
IS Infantile Spasms
IS ISland
ISDR Interferon Sensitivity Determining Region
ISE Ion Selective Electrode
ISN Institute for Soldier Nanotechnologies (linked to MIT)
ISR in-stent restenosis
ISS Idiopathic Short Stature
IST Individual Spinning Titre
IT Information Technology
IT Iso Thiazolin
IT ITaly
ITAM Immunoreceptor Tyrosine-based Activation Motif
ITC International Trade Commision (USA)
ITCC Intelligent Torque Controlled Coupling (Automotive)
ITO Indium Tin Oxide
ITP Idiopathic Thrombocytopenic Purpura
ITP Immune Thrombocytopenic Purpura
ITRI Industrial Technology Research Institute (Taiwan)
ITRS Intl. Technology Roadmap for Semiconductors
ITS Internal Transcribed Spacer
IUC Intra Uterine Contraception
IUGR Intra Uterine Growth Retardation
IUI Iatrogenic Ureteral Injury
IUPAC International Union of Pure & Applied Chemistry
IV Intra Venous
IV Intrinsic Viscosity
IV Incremental Vaccination
IVD in vitro diagnostic
IVF in vitro fertilisation
IVIG Intra Venous Immuno Globulin
IVR Interactive Voice Response
IVRS Interactive Voice Response Systems
IVUS Intra Vascular Ultra Sound
IWL Involuntary Weight Loss
IWR Interactive Web Response