Scientists use digital high power microscopes nowadays in order to get a better image of their specimens. A digital high power microscope also allows scientists to take pictures of their specimens, which is a plus for researchers who need to present their findings at conferences, or who need clear pictures for a manuscript that they have to submit for publication. The field of blood cells examination also benefits from the use of digital high power microscopes. A high power microscope can allow researchers to see smaller, important structures that they might miss if they use an ordinary compound microscope; such structures can be important in diagnostic blood cell examination.
Mammalian blood in general, and human blood in particular, contains different kinds of blood cells that are suspended in plasma. A little over half the volume of a blood cell suspension consists of plasma. Blood is considered connective tissue, and performs many different functions. For instance, the hemoglobin in red blood cells aids in carrying oxygen and carbon dioxide through the bloodstream. The different cells of the body require oxygen in order to function, and they need a method by which harmful carbon dioxide can be carried away.
Blood also carries different nutrients and waste products through the circulatory system. The levels of different important nutrients in blood can be measured in order to determine how efficient the body is in carrying out its metabolic functions. Measuring the levels of different waste products in the blood can also be indicative of organ function, since a high level of waste products might mean that the kidneys are not working to expel these waste products out of the body. The blood also carries different compounds such as hormones and enzymes.
Most importantly, the blood carries around the cells of the immune system. When carrying out examination of blood, scientists and researchers employ two main methods to carry out measurements. They measure the amounts of different compounds present in the plasma using machines and enzymes that measure the levels of these compounds. They also measure the numbers of the different blood cells present using microscopes. Using the power of a digital high power microscope, scientists can see and conduct a count of the different kinds of blood cells.
The red blood cells, or erythrocytes, are present in the highest numbers in any blood cell sample. In mammalian blood, erythrocytes have the shape of biconcave discs, and have no nucleus. As mentioned earlier, red blood cells carry hemoglobin, which help convey oxygen to the body’s cells. By virtue of their shape, red blood cells can efficiently diffuse oxygen. In sickle-cell anemia, the red blood cells have a sickle shape, which dramatically reduces their ability to convey oxygen to different organ systems.
Platelets aid in blood clotting, but they are not real cells. They are actually fragments of cells that have the right shape to aggregate and form clots by trapping other blood cells. They can appear as round shapes under the microscope, which is why they are often mistaken to be whole cells.
White blood cells, or leukocytes, are part of the body’s immune system and thus function as the body’s defense against pathogens. Such cells can be classified broadly into granulocytes and agranulocytes, depending on how they appear under the microscope. Granulocytic cells have granules, or grainy materials visible in their cytoplasm. The different granules present in these cells react differently to standard stains, and can thus be classified and identified depending on these reactions.
Neutrophils are a type of leukocyte that can engulf whole bacteria. They are present in pus and will often die after engulfing a few microbes. Eosinophils are a type of leukocyte that serve as the defenders against parasites. Basophils secrete different components that function in the allergic reaction, such as histamines.
There are different methods that researchers and scientists use in order to obtain blood. In some cases, microscopy techniques are so sensitive that researchers need only a single drop of blood in order to carry out their experiments. This entails pricking the end of a subject’s finger and placing the drop of blood on a slide. Digital high power microscopes can be this sensitive, and they are thus used in laboratories that work with only a few drops of blood, and not entire test tubes of samples. Storing blood can be expensive, because they require anticoagulants and specific temperatures to keep them from clotting or solidifying even before they can be examined.
Visit http://www.digitalhighpowermicroscope.com for more information on the different uses and advantages of the digital high power microscope. If you are using the digital high power microscope in a blood laboratory, you might run into quite a number of problems care-wise. Be sure to always clean your digital high power microscope before and after use, and to ensure that no blood smears are left on the surface of your digital high power microscope. Any damage done to the lenses will decrease the clarity and quality of your images, and can lead you to make false conclusions regarding your specimen.