The Microscope and its evolution
The first great advances in science and in particular in the biological sciences are due in part to the invention of the optical microscope, when at the end of the seventeenth century Anton van Leeuwenhoek, carving lenses, was able to appreciate the world that due to its small size was impossible see with the naked eye: the microscopic world.
pH meter vs. dissolved oxygen meter
The pH is the unit of measurement that describes the degree of acidity or alkalinity and is measured on a scale ranging from 0 to 14. An approximate indication of pH can be obtained using pH indicators or tapes, which change color depending on the variation of the pH level. But these indicators have limitations in terms of accuracy and can be difficult to interpret correctly in dark or colorful samples.
What is a PCR work cabinet?
The polymerase chain reaction (PCR) is a laboratory technique used to amplify DNA sequences. The method uses short DNA sequences called primers to select the part of the genome to be amplified. The temperature of the sample is raised and lowered repeatedly to help the DNA replication enzyme duplicate the DNA sequence that is being copied.
Refrigerators and Freezers – Vaccine Storage Units
Safe storage of vaccines is a crucial component of protecting patients from disease. If vaccines are not stored properly, the patient’s confidence in the vaccine schedule can be lost.
Hematology analyzer vs. biochemical
A hematology analyzer or hematology analyzer is a device that allows you to perform a complete blood count. In other words, it performs a qualitative and quantitative analysis of red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
What is an Autoclave for a dental clinic?
An autoclave is a fundamental piece of equipment to guarantee the safety of patients and professionals in dental clinics through the sterilization of dental instruments. Given its importance in the daily work of dental professionals, it is vital to know what type of autoclave is the best and what aspects should be taken into account when choosing it.
How does immersion oil work?
Optical microscopes use two basic types of objectives: dry objectives and immersion objectives. These two types of objectives differ depending on the medium between the specimen and the objective lens. In the case of dry objectives, there is no medium between the sample and the objective other than air. Immersion objectives, on the other hand, are designed to observe the sample through a layer of immersion medium that normally consists of oil. This means that just the right amount of oil needs to be placed between the coverslip that protects the specimen and the objective lens.
How does a phase contrast microscope work?
The phase contrast microscope is a type of microscope that allows you to observe live samples without using staining techniques. This microscope is based on the existence of a phase difference between the different light waves that pass through the sample to generate the image of the observation.
pHmeter: Technology and accuracy
The measurement of pH (hydrogen potential) in the laboratory is one of the most important parameters that are performed for quality control and, according to specialists in the field, it is the second most important after temperature. The determination of the pH has a great field of application: research, industry, teaching, among others. In laboratories where it is relevant to know the potential of hydrogen, a pH measuring device will always be found as a primary instrument.
Care and Calibration of your pH meter
A pH meter or pH meter is a scientific instrument that measures the activity of the hydrogen ion in aqueous solutions, indicating its degree of acidity or alkalinity expressed as pH.