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  2. Photoplethysmogram - Wikipedia

    en.wikipedia.org/wiki/Photoplethysmogram

    A photoplethysmogram ( PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. [1] [2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [3] A conventional pulse oximeter monitors the perfusion of blood to ...

  3. Polypropylene glycol - Wikipedia

    en.wikipedia.org/wiki/Polypropylene_glycol

    Polypropylene glycol or polypropylene oxide is the polymer (or macromolecule) of propylene glycol. [1] Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907.2000. The term polypropylene glycol or PPG is reserved for polymer of low- to medium-range molar mass when the nature of the end-group ...

  4. PPG Industries - Wikipedia

    en.wikipedia.org/wiki/PPG_Industries

    PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials. With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe. By revenue it is the largest coatings company in the world followed by Sherwin-Williams. [2]

  5. Photolabile protecting group - Wikipedia

    en.wikipedia.org/wiki/Photolabile_protecting_group

    A photolabile protecting group ( PPG; also known as: photoremovable, photosensitive, or photocleavable protecting group) is a chemical modification to a molecule that can be removed with light. PPGs enable high degrees of chemoselectivity as they allow researchers to control spatial, temporal and concentration variables with light.

  6. Postprandial glucose test - Wikipedia

    en.wikipedia.org/wiki/Postprandial_glucose_test

    Purpose. determines the amount of a type of sugar after a meal. A postprandial glucose (PPG) test is a blood glucose test that determines the amount of glucose in the plasma after a meal. [1] The diagnosis is typically restricted to postprandial hyperglycemia due to lack of strong evidence of co-relation with a diagnosis of diabetes. [1]

  7. Protein kinase B - Wikipedia

    en.wikipedia.org/wiki/Protein_Kinase_B

    Crystal structure of Akt-2-inhibitor complexes. [2] Protein kinase B ( PKB ), also known as Akt, is the collective name of a set of three serine/threonine-specific protein kinases that play key roles in multiple cellular processes such as glucose metabolism, apoptosis, cell proliferation, transcription, and cell migration .

  8. List of countries by GDP (nominal) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP...

    Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [2] Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates. Nominal GDP does not take into account differences in the cost of ...

  9. Pago Pago International Airport - Wikipedia

    en.wikipedia.org/wiki/Pago_Pago_International...

    Pago Pago International Airport (IATA: PPG, ICAO: NSTU, FAA LID: PPG), also known as Tafuna Airport, is a public airport located 7 miles (11.3 km) southwest of the central business district of Pago Pago, in the village and plains of Tafuna on the island of Tutuila in American Samoa, an unincorporated territory of the United States.