Nanotechnology involves manipulating materials at the nanoscale level of less than 100 nm to design structures, devices, and systems with novel properties. It has potential applications in areas like medicine, where nanomaterials can pass through cell membranes for drug delivery or diagnostics. Nanotechnology allows the creation of new materials and devices that cannot be produced through traditional methods, and may revolutionize healthcare in the future through early disease detection, personalized therapies, and human enhancement.

2.  Nanotechnology is the design, the
manipulation, the building, the production and application, by controlling the
shape and size, the propertiesresponses and functionality of structures, devices
and
systems of the order or less than 100 nm.
 Nanotechnology is an emerging technology with enormous potential in
information and communication technology,biology and biotechnology, medicine
and medical technology.

3.  Objects and living organisms whose size is
or occur in the nanoscale, higher order
structures of biological units at micro-
meso- and macroscale, made by nature the
last 4 billion years due to the ability to self-
organize (on the left) and those man made
at nano- and microscale the last few years
(on the right).

4.  Novel nanomaterials and nanoparticles are
noted to have a major impact on a number of
different medicinal areas.
 Materials with high performance and
unique properties can be produced, that
traditional synthesis and manufacturing
methods could not create.

5. a) Carbon nanotube, b) Human breast cancer cells tagged with
quantum dots, and c) Dendrimer

7.  The small size makes it able to pass through
all cell membranes.
 This is used to develop nanoscaled ferries.
 They can be used for drug or gene therapy
 They help in diagnosing dieases.

8. a) Lab-on-a-chip, for quick test results using very small samples. A lab-on-a-chip miniaturises all the steps needed to process a
medical sample and detect disease, b) X-Ray Diffractometer of the Laboratory for Thin Films – Nanosystems Nanometrology of
AUTh), c) Plasmid DNA, prepared on mica (an insulator) imaged with STM in humid air5

9. Nanotechnology in
 Nanorobots and nanodevices.
 Cardiovascular gene therapy
 Biobots
 Cardiology
 Diagnosis of cardiovascular diseases
 The detection of the complementary DNA
strand

10.  In the coming years, nanotechnology will
play a key role in the medicine of tomorrow
providing revolutionary opportunities for early
disease detection,diagnostic and therapeutic
procedures to improving health and
enhancing human physical abilities,and
enabling precise and effective therapy
tailored to the patient.