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It is a contrast imaging technology using the difference in absorption of soft X-ray in the water window region (wavelength region: 2.34–4.4 nm, photon energy region: 280 – 530 eV) by the carbon atom (main element composing the living cell) and the oxygen atom (main element for water).
The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.
Antonie van Leeuwenhoek (1632–1723). The field of microscopy (optical microscopy) dates back to at least the 17th-century.Earlier microscopes, single lens magnifying glasses with limited magnification, date at least as far back as the wide spread use of lenses in eyeglasses in the 13th century [2] but more advanced compound microscopes first appeared in Europe around 1620 [3] [4] The ...
A Foldscope is an optical microscope that can be assembled from simple components, including a sheet of paper and a lens. It was created by Manu Prakash and designed to cost less than one USD to build. It is a part of the "frugal science" movement which aims to make cheap and easy tools available for scientific use in the developing world. [2]
A bright-field microscope has many important parts including; the condenser, the objective lens, the ocular lens, the diaphragm, and the aperture. Some other pieces of the microscope that are commonly known are the arm, the head, the illuminator, the base, the stage, the adjusters, and the brightness adjuster.
The Sindh Health Department is the provincial department that oversees healthcare for the Pakistani province of Sindh. Several are held responsible for running the department including a cabinet minister and health secretary which are members of the Government of Sindh .
Saint Paul's English High School, often abbreviated as St. Paul's or just Paul's, is a private Catholic primary and secondary school in Karachi, Sindh, Pakistan. The school is divided into two campuses: Campus A and Campus B. The students are divided into the morning and the afternoon shifts, the latter of which is of shorter hours.
The Government of Sindh (Sindhi: حڪومت سنڌ) (Urdu: حکومتِ سندھ) is the provincial government of the province of Sindh, Pakistan. Its powers and structure are set out in the provisions of the 1973 Constitution , in which 30 Districts of 7 Divisions under its authority and jurisdiction.