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  2. Transdermal patch - Wikipedia

    en.wikipedia.org/wiki/Transdermal_patch

    A transdermal patch which delivers medication is applied to the skin in a medical setting. The patch is labelled with the time and date of administration as well as the administrator's initials. Microneedle patch size comparison [1] A transdermal patch is a medicated adhesive patch that is placed on the skin to deliver a specific dose of ...

  3. Physical layer - Wikipedia

    en.wikipedia.org/wiki/Physical_layer

    Data link layer. 1. Physical layer. In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer: the layer most closely associated with the physical connection between devices. The physical layer provides an electrical, mechanical, and procedural interface to the transmission medium.

  4. Health Level 7 - Wikipedia

    en.wikipedia.org/wiki/Health_Level_7

    Health Level 7. Health Level Seven, abbreviated to HL7, is a range of global standards for the transfer of clinical and administrative health data between applications with the aim to improve patient outcomes and health system performance. The HL7 standards focus on the application layer, which is "layer 7" in the Open Systems Interconnection ...

  5. Brain–computer interface - Wikipedia

    en.wikipedia.org/wiki/Brain–computer_interface

    Brain–computer interface. A brain–computer interface (BCI), sometimes called a brain–machine interface (BMI), is a direct communication link between the brain 's electrical activity and an external device, most commonly a computer or robotic limb. BCIs are often directed at researching, mapping, assisting, augmenting, or repairing human ...

  6. Biosensor - Wikipedia

    en.wikipedia.org/wiki/Biosensor

    Biosensor. A biosensor is an analytical device, used for the detection of a chemical substance, that combines a biological component with a physicochemical detector. [1][2][3][4] The sensitive biological element, e.g. tissue, microorganisms, organelles, cell receptors, enzymes, antibodies, nucleic acids, etc., is a biologically derived material ...

  7. Bluetooth Low Energy - Wikipedia

    en.wikipedia.org/wiki/Bluetooth_Low_Energy

    Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart [1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [2] aimed at novel applications in the healthcare, fitness, beacons, [3] security, and home entertainment industries. [4]

  8. OSI model - Wikipedia

    en.wikipedia.org/wiki/OSI_model

    1. Physical layer. The Open Systems Interconnection (OSI) model is a reference model from the International Organization for Standardization (ISO) that "provides a common basis for the coordination of standards development for the purpose of systems interconnection." [2] In the OSI reference model, the communications between systems are split ...

  9. Networking hardware - Wikipedia

    en.wikipedia.org/wiki/Networking_hardware

    Networking hardware, also known as network equipment or computer networking devices, are electronic devices that are required for communication and interaction between devices on a computer network. Specifically, they mediate data transmission in a computer network. [1] Units which are the last receiver or generate data are called hosts, end ...