P Patent
P-FILM Protein Function Identification Layered Membranes
P2P Peer To Peer
PA Poly Amide
PA Poly(Anhydride)
PA Protective Antigen (Anthrax Toxin Comp.)
PAA Platelet Associated Antibody
PAA Poly Aspartic Acid
PAA Phosphono Acetic Acid
PAA Poly Acrylic Acid
PAA Per Acetic Acid
PAb Polyclonal Anti Body
Pab-OH Para-Aminomethyl-Benzamid Oxime
PABA Para Amino Benzoic Acid
PABG Peripheral Artery Bypass Graft
PACS Picture Archiving & Communication System
PAD Peripheral Arterial Disease
PADI Plasma-Assisted Desorption Ionization
PAE Poly Amide Epichlorohydrin
PAF Paroxysmal Atrial Fibrillation
PAG Photo Acid Generator (Electronics's Photoresists)
PAH Poly Allylamine Hydrochloride
PAH Polycyclic Aromatic Hydrocarbons
PAH Pulmonary Arterial Hypertension
PAH Phenyl Alanine Hydroxylase
PAHA Poly Alpha Hydroxy Acid
PAI Platelet Aggregation Inhibitor
PAI Plasminogen Activator Inhibitor
PAM Positive Allosteric Modulation
PAMAM Poly (AMido AMine) (Dendrimer)
PAN Poly Acrylo Nitrile
PANCA Perinuclear Anti Neutrophil Cytoplasmic Ab
PAO Peripheral Arterial Occlusion
PAO Poly Alpha Olefin
PAP Pokeweed Antiviral Protein
PAP Prostatic Acid Phosphatase
PAP Potent Antigen Presenting (cells)
PAP Pneumo Pulmonary Alveolar Proteinosis
PAPH L-4-Amidino Phenyl Alanyl
PAPS 3'-Phospho Adenine-5'-Phospho Sulfate
PAR Perennial Allergic Rhinitis
PAR Protease Activated Receptor
PARP Poly ADP Ribose Polymerase
PAT Patent
PAU Penetrating Atherosclerotic Ulcer
PAVE Perfluoro Alkyl Vinyl Ethers
Pb Paracoccidioides Brasiliensis (fungus)
PB Pyridostigmine Bromide
PB Particle Board
PBA Pseudo Bulbar Affect
PBC Primary Biliary Cirrhosis
PBC Pig Baboon Chimeric
PBDE Poly Brominated Diphenyl Ether
PBE Peritumoral Brain Edema
PBI Poly Benz Imidazole
PBM Polysaccharide Binding Moiety
PBM Pharmacy Benefits Manager
PBMC Peripheral Blood Mononuclear Cell
PBN Poly Butylene Naphthalate
PBO Poly Benz Oxazole
PBO Paraphenylene Benz Oxazole polymer
PBP Penicillin Binding Protein
PBS Phosphate Buffered Saline
PBS Poly Butylene Succinate
PBS Painful Bladder Syndrome
PBSF Perfluoro Butane Sulfonyl Fluoride (C4F9-SO2-F)
PBST Phosphate Buffered Saline Tween (surfactant)
PBT Poly Butylene Terephthalate
PBT Persistence, Bioaccumulation, & Toxicity (pollution prevn.)
PBTA 2-Phosphono-1,2,4-Butane Tricarboxylic Acid
PC Personal Computer
PC Poly Carbonate
PC Personal Care
PC Phosphoryl Choline
PC Preformed Conjugate
PC Pachyonychia Congenita
PCA Poorly Crystalline Apatite
PCA Principal Components Analysis (FTIR)
PCA Principal Component Analysis
PCA Protein-fragment Complementation Assays
PCB Poly Chlorinated Biphenyl
PCC Prothrombin Complex Concentrate
PCC Protective Ceramic Coating
PCC Protein Catalyzed Capture
PCD Poly Crystalline Diamond
PCD Paraneoplastic Cerebellar Degeneration
PCDD Poly Chlorinated Dibenzo-p-Dioxins
PCDF Poly Chlorinated Dibenzo Furans
PCE Per Chloro Ethylene
PCEB Para Chloro Ethyl Benzene
PCF Plant Cell Fermentation
PCI Percutaneous Coronary Intervention
PCI Photo Chemical Internalisation
PCL Poly Capro Lactone
PCM Para Coccidioides Mycosis
PCM Phase Change Material
PCM Phase Change Memory
PCNA Proliferating Cell Nuclear Antigen
PCNSL Primary Central Nervous System Lymphoma
PCP Phenyl Cyclohexyl Piperidine (Narcotics)
PCP Penta Chloro Phenol (pesticide)
PCP Procollagen C Proteinase
PCP Pneumo Cystis Pneumonia
PCPB Plasma Carboxy Peptidase B
PCPH Poly(p-Carboxy Phenoxy)-Hexane anhydride
PCPP Poly[di (Carboxylato Phenoxy) Phosphazene]
PCR Polymerase Chain Reaction
PCSB Phosphate Citrate Saline Buffer
PCSK Proprotein Convertase Subtilisin Kexin
PCT Patent Cooperation Treaty
PCT Poly Cyclohexylene dimethylene Terephthalate
PCT Pressure Cycling Technology
PCTFE Poly Chloro Tri Fluoro Ethylene
PD Peritoneal Dialysis
PD Pharmaco Dynamic
PD Parkinsons Disease
PDA p-Phenylene Di Amine
PDA Photo Diode Array
PDA 1,3-Propane Di Amine (MRI)
PDA Patent Ductus Arteriosus
PDA Personal Digital Assistant
PDBA Phenyl Di Boronic Acid
PDCP Poly Di Cyclo Pentadiene
PDD Photo Dynamic Detection
PDDA Poly Diallyl Dimethyl Ammonium chloride
PDE Phospho Di Esterase
PDEAMA Poly Di Ethyl Aminoethyl Meth Acrylate
PDEMS Porous Di Ethoxy Methyl Silane
PDF Pituitary Differentiation Factor
PDF Peptide De Formylase
PDGF Platelet Derived Growth Factor
PDGF-R Platelet Derived Growth Factor Receptor
PDI Protein Disulfide Isomerase
PDI Poly Dispersity Index
PDLC Polymer Dispersed Liquid Crystal
PDMS Poly Di Methyl Siloxane
PDN Painful Diabetic Neuropathy
pDNA Plasmid DNA
PDO Propane Di Ol
PDP Plasma Display Panel
PDP Phenylene Di Propionic acid
PDT Photo Dynamic Therapy
PDUFA Prescription Drug User Fee Act
PDVI Pediatric Dengue Vaccine Initiative (IVI)
PE Poly (Ethylene)
PE Pseudomonas Exotoxin
PE Pulmonary Embolism
PECAM Platelet Endothelial Cell Adhesion Molecule
PEComa Perivascular Epithelioid Cell carcinoma
PECVD Plasma Enhanced Chemical Vapor Deposition
PED Printable Electronics and Displays
PEDF Pigment Epithelium Derived Factor
PEDOT Poly(3,4-Ethylene Di Oxy Thiophene)
PEEK Poly Ether Ether Ketone
PEF Poly Ethylene Furanoate
PEF Pulsed Electric Field
PEG Poly(Ethylene Glycol)
PEGMA Poly (Ethylene Glycol) Meth Acrylate
PEI Poly Ether Imide
PEK Poly Ether Ketone
PEKK Poly Ether Ketone Ketone
PELC Polymer Encapsulated Liquid Crystal
PEM Proton Exchange Membrane (fuel cell)
PEM Poly Electrolyte Multilayer
PEM Protein Epitope Mimetics
PEMP Pentaerythritol tetrakis 3-Mercaptopropionate
PEN Poly(ethylene naphthalate)
PEN Property Encoded Nomenclature (polysaccharide sequencing)
PENBB Poly Ethylene Naphthalate Bi Benzoate
PEO Poly Ethylene Oxide
PEO Plasma Electrolytic Oxidation
PEP Peripheral Embolization Plug
PERFORM. Performance
PERR Post Etch Residue Remover
PERT Pancreatic Enzyme Replacement Therapy
PERV Porcine Endogenous Retro Virus
PES Poly Ether Sulfone
PES Photo Enforced Stratification (LCD technology)
PET Poly Ethylene Terephthalate)
PET Positron Emission Tomography
PET Photoinduced Electron Transfer (glucose blood determn.)
PET Permeation Enhancement Technology
PETG Poly Ethylene Terephthalate Glycol
PETN Poly Ethylene Terephthalate Naphthalate
PEVE Perfluoro Ethyl Vinyl Ether
PF Phenol Formaldehyde
PFA Per Fluoro Alkoxylalkane
PFA Per Fluoro Alkyl
PFA Per Fluoro Alkoxy (Resin)
PFA pulse field ablation
PFC Per Fluoro Carbon
PFC Per Fluorinated Compound
PFKFB PhosphoFrutose-2-Kinase/Fructose 2, 6 Bis phosphotase
PFM Porcelain Fused to Metal (dental restoration)
PFM Paintless Film Molding
PFO Patent Foramen Ovale
PFOA Per Fluoro Octanoic Acid
PFOS Per Fluoro Octanyl Sulfonate
PFOX Partial Fatty acid OXidation (Cardiology)
PFPA Per Fluoro Phenyl Acrylate
PFPE Per Fluoro Poly Ether
PFPTA Per Fluoro Phenyl Thio Acrylate
PFU Plaque Forming Units
PG Poly Glutamate
PG Phosphatidyl Glycerol
PGA Poly Glycolic Acid
PGA Phenyl Glycine Amide
PGE Prosta Glandin E
PGH Prosta Glandin H
PGHS Prosta Glandin H endoperoxide Synthase
PGK Phospho Glycerate Kinase
PGM Platinum Group Metal
Ph Phenyl
PH Plekstrin Homology (protein)
PH Primary Hyperoxaluria
Ph+ Philadelphia-positive
PHA Poly(Hydroxy Acid)
PHA Poly(Hydroxy Amide)
PHA Poly(Hydroxy Alkanoate)
PHARMA Pharmaceutical. Pharmacology
PHB Poly Hydroxy Butyrate
PHB Para Hydroxy Benzoic acid
PHBA Poly Hydroxy Butyric Acid
PHBMV Poly Hydroxy Butyrate Methyl Valerate
PHBV Poly Hydroxyl Butyrate Valerate
PHEA PHenolic Ester Alcohol
PHEE Poly Hydroxy Ester Ether
PHEV Plug-in Hybrid Electric Vehicle
PHMB Poly(Hexamethylene) Biguanide
PHN Post-Herpetic Neuralgia
PHOST Poly Hydr Oxy STyrene
PHP Pyridoxalated Hemoglobin Polyoxyethylene
PHP Percutaneous Hepatic Perfusion
PHPVA Partially Hydrolysed Poly Vinyl Alcohol
PHRI Public Health Research Institute (New York; NY, USA)
PHRMA Pharmaceutical Research & Manufacturers of America (USA)
PHS-B Poly Hydroxy Styrene - Branched
PHVA Poly Hydroxy Valeric Acid
PI Prescribing Information
PI Phosphatidyl Inositol
PI3K Phosphatidyl Inositol 3 Kinases
PIB Potassium Ion Battery
PICC peripherally inserted central catheter
PID Primary Immuno Deficiency
PIM Polymers of Intrinsic Microporosity
PIM Plastics Implementing Measure
PIM Personal Info. Man.
PIP Phosphatidyl Inositol-4-Phosphate.
PIP Polymer Infiltration Pyrolysis
PIV Para Influenza Virus
PK Pharmaco Kinetics
PK PaKistan
PKC Protein Kinase C
PKD Polycystic Kidney Disease
PKS Poly Ketide Synthase
PKU Phenyl Keton Uria
PLA Poly Lactic Acid
PLA Phospho Lipase A
PLE Pig Liver Esterase
PLED Polymer Light Emitting Diode
PLG Poly Lactide co Glycolide
PLGA Poly Lactic Glycolic Acid
PLGF Plasminogen Like Growth Factor
PLL Poly L Lysine
PLMD Periodic Limb Movement Disorder
PLMS Periodic Limb Movements in Sleep
PM Peptido Mimetics
PM Particulate Matter
PM Post Menopausal
PM Pace Maker
PMA Pre Market Approval Application (FDA)
PMA Phorbol Myristate Acetate
PMA Propyl Methoxy Acetate
PMA Positive Mental Attitude
PMCA Protein Misfolding Cyclic Amplification
PMDA Pyro Mellitic Di Anhydride
PMDD Pre Menstrual Dysphoric Disorder
PMDI Pressurised Metered Dose Inhaler
PME Pectin Methyl Esterase
PMEA Phosphonyl Methoxy Ethyl Adenine
PMF Primary Myelo Fibrosis
PMG Phosphono Methyl Glycine
PMIDA Phosphono Methyl Imino Di Acetic acid
PML Progressive Multifocal Leukoencephalopathy
PMMA Poly Methyl Meth Acrylate
PMN Poly Morphonuclear Neutrophils (White B;ood Cells)
PMO Post Menopausal Osteoporosis
PMOS P - type Metal Oxide Semiconductor
PMPA Phosphonyl Methoxy Propyl Adenine
PMSF Phenyl Methyl Sulphonyl Fluoride
PMT Pasteurella Multocida Toxin
PMVE Perfluoro Methyl Vinyl Ether
PN Product Number
PNA Peptide Nucleic Acid
PNA Para Nitro Aniline
PNAS Proceedings of the National Academy of Sciences
PND Personal Navigation Devices
PNEC Pancreatic Neuro Endocrine Cancer
PNH Paroxysmal Nocturnal Hemoglobinuria
PNNL Pacific Northwest National Laboratory (USA - DOE)
PNP Purine Nucleoside Phosphorylase
PNS Peripheral Nervous System
PO Propylene Oxide
PO Paraffin Oil
PO Poly Olefin
POC Point Of Care
POD Print On Demand (digital photography)
POE Poly Ortho Ester
POI Post-Operative Ileus
POM Poly Oxo Metallate
POM Polycyclic Organic Matter
POM Pivaloyl Oxy Methyl {[[(IsoPrO-CO)Oxy]Methoxy]}
POMC Pro OpioMelanoCortin
PONV Post Operative Nausea & Vomitting
POP Palmitate-Oleate-Palmitate
POP Point Of Purchase
POP Post Operative Pain
POPE Palmitoyl Oleoyl Phosphatidyl Ethanolamine
POS Palmitate-Oleate-Stearate
POS Point Of Sale (terminals)
POS Polyhedral Oligomeric Silsesquioxane
POSM Propylene Oxide Styrene Monomer
POSS Polyhedral Oligomeric Sil Sesquioxane
PP Poly(Propylene)
PP Poly(Pyrrole)
PP Placenta Protein
PP Post Partum
PPA Purified Phosphoric Acid
PPA Poly Phthal Amide
PPA Pedestrian Protection Airbag
PPAR Peroxisome Proliferator Activated Receptor
PPBM Protein Plasma Binding Moiety
PPD Purified Protein Derivative
PPD Para Phenylene Diamine
PPD Post Partum Depression
PPE Poly Phenylene Ether
PPE Polymeric Performance Enhancer
PPE Personal Protective Equipment
PPEC Pressurized Planar Electro Chromatography
PPES Poly Phenyl Ether Sulfone
PPFM Pink Pigmented Facultative Methylotroph
PPI Producers Price Index
PPI Proton Pump Inhibitor
PPMF Prion Protein Modulator Factor
PPO Poly Phenylene Oxide
PPO Proto Porphyrinogen Oxidase (Herbicide)
PPO Poly Propylene Oxide
PPP Platelet Poor Plasma
PPP Propoxy Propoxy Propanol
PPP Pentose Phosphate Pathway (Oncology>Metastasis>Diag.)
PPP Polyether PC Polyol
PPS Poly Phenylene Sulfide
PPV Poly (p-Phenylene Vinylene)
PPVE Perfluoro Propyl Vinyl Ether
PQQ Pyrrolo Quinoline Quinone
Pr Propyl
PR Plaque Regression (Cardiology)
PR Press Release (Corp. Web-Site)
PR Public Relations
PR Press Release
PR Progesterone Receptor
PR Progesterone Receptor
PRA Progressive Retinal Atrophy
PRC Paffenbarger Research Center
PRC Peoples Republic of China
PRCA Pure Red blood Cell Aplasia
PREVN Prevention
PRF pulsed radio frequency
PRFM Platelet Rich Fibrin Matrix
PRM Partner Relationship MAN.
PRODN Production
PRODT Product
PRP Platelet Rich Plasma
PRP Polyribosyl Ribitol Phosphate
PRRS Porcine Reproductive & Respiratory Syndrome
PRRSV Porcine Reproductive & Respiratory Syndrome Virus
PRV Papaya Ringspot Virus
PRV Priority Review Voucher
PS Pantothenate Synthetase
PS Pre Selinin [protein (Alzheimer's disease)]
PS Poly Sulfone
PS Poly Styrene
PS Phosphatidyl Serine
PS-DEAM Poly Styrene bound tridentate Di Ethanol AMine ligand
PS-DIEA Poly Styrene bound Di Isopropyl Ethyl Amine
PSA Pressure Sensitive Adhesive (Adhesive)
PSA Prostate Specific Antigen (Oncology)
PSA Pressure Swing Adsorption
PSA Pharmacologic Stress Agent
PsA Psoriatic Arthritis
PsAFi Persistent Atrial Fibrillation
PSC Primary Sclerosing Cholangitis
PSCA Prostate Stem Cell Antigen
PSCT Polymer Stabilized Cholesteric Texture
PSD Particle Size Distribution
PSG Phospho Silicate Glass
PSI Poly Succin Imide
PSMA Prostate Specific Membrane Antigen
PSP Progressive Supranuclear Palsy
PSPA Pneumoccocal Surface Protein A
PSR Physicians for Social Responsibility (USA)
PSS Polarization Shielded Smectic
PSS Poly Styrene Sulfonate
PSSP Prostate Specific Secreted Protein
PSVT Paroxysmal Supra Ventricular Tachycardias
PT Prothrombin Time
PTA Purified Terephthalic Acid
PTA Percutaneous Transluminal Angioplasty
PTAA Poly (Thiophene-3-Acetic Acid)
PTAB Phenyl Trimethyl Ammonium tri Bromide
PTAB Patent Trial & Appeal Board
PTB Phospho Tyrosine Binding (protein)
PTC Phase Transfer Catalysis
PTC Post Transcriptional Control
PTCA Percutaneous Transluminal Coronary Angioplasty
PTCL Peripheral T Cell Lymphoma
PTEOS Phenyl Tri Eth Oxy Silane
PTFE Poly(tetrafluoroethylene)
PTH Para Thyroid Hormone
PTHLP Para Thyroid Hormone Like Protein
PTHRH Para Thyroid Hormone Related Protein
PTM Post Translational Modification
PTMEG Poly Tetra Methylene Ether Glycol
PTMG Poly Tetra Methylene Glycol
PTMOS Phenyl Tri Meth Oxy Silane
PTN Post Therapeutic Neuralgia
PTO Patent & Trademark Office (USA's Dept. of Commerce)
PTP Protein Tyrosine Phosphatase
PTS Para-Toluene Sulfonic acid
PTS Press To Size
PTSA Para-Toluene Sulfonic Acid
PTSD Post Traumatic Stress Disorder
PTT 1,2,3-Propane Tri Thiol
PTT Poly Trimethylene Terephthalate [Poly(1,3-Propylene Terephthalate)]
PTT Partial Thrombo Plastin (time)
PTx Pertussis Toxin
PU Poly Urethane
PUFA Poly Unsaturated Fatty Acids
PUR Poly Urethane Resin
PURPA Public Utility Regulatory Policy Act
PV Papilloma Virus
PV Polycythemia Vera (Oncology)
PV Photo Voltaic
PVA Poly(vinyl alcohol)
PVAc Poly(vinyl acetate)
PVB Poly(Vinyl Butyral)
PVC Poly(vinyl chloride)
PVD Peripheral Vascular Disease
PVDC Poly Vinyl Di Chloride
PVDF Poly Vinylidene Di Fluoride
PVF Poly Vinyl Fluoride
PVI Poly Vinyl Imidazole
PVM/MA Poly(Methyl Vinylether-co-Maleic Anh.)
PVNO Poly 4-Vinylpyridine-N-Oxide
PVP Poly Vinyl Pyrrolidone
PVP Poly(4-Vinyl Pyridine)
PVP Photoselective Vaporization of the Prostate
PVP Process Verified Program
PVPNO Poly Vinyl Pyridine N Oxide
PVPP Poly Vinyl Poly Pyrrolidone
PVR Post Void Residual
PVS Postmenopausal Vaginal Syndrome
PWB Printed Wiring Boards
PWS Prader Willi Syndrome
PYCSP Plasmodium Yoelii Circum Sporozoite Protein (Malaria)
PYHEP17 Plasmodium Yoelli Hepatocyte Erythrocyte Protein 17 kDa gene (Malaria)
PYY Peptide Y Y (GI Gut Hormone, Obesity)