Sex hormones are hormones that play a role in the development and maintenance of the male and female reproductive systems, as well as secondary sexual characteristics. There are two main categories of sex hormones: androgens and estrogens. Androgens are responsible for the development and maintenance of male characteristics. The main androgen in males is testosterone, […]

Microtome blades are used in microtomes to cut thin slices, or sections, of tissue samples for microscopic examination. The slices are typically less than 50 micrometers thick and are used for a variety of purposes, including histological analysis, tissue culture, and electron microscopy. The use of cutting blades allows for precise control over the thickness […]

Unboxing is the act of opening a product, typically a new or novelty item, and revealing its contents. It is often done as a form of entertainment, where the person filming the unboxing can also showcase the features and benefits of a product. Unboxing videos are popular because they allow people to see what is […]

Message From Our CEO My name is George Kong and in 2004 I founded Precisionary Instruments with my father Dr. Jian-Qiang Kong. Our goal was to focus on developing the Compresstome® vibratome. We always believed in making the best vibrating microtome for the research community, giving scientists the ability to section the perfect tissue slices […]

Precisionary Rotary Microtomes in Action! We love helping scientists and clinicians get high quality tissue slices. With our new rotary microtome line, the best way to introduce you to them is to show how they work in action! Take a look at our manual rotary microtome model, the Precisionary Rotary Microtome RF-600: Now, check out our semi-automated […]

Greetings! This week, you’ll meet our third and final rotary microtome model, the Precisionary Rotary Microtome RF-1000. This is our fully automated working machine, and it’s pretty awesome to see its automated cutting features! Precisionary Rotary Microtome RF-1000 Our rotary microtome RF-1000 is truly a pretty awesome fully-automated work horse. “Fully automated” means that single sections can be […]

Hello again! For this week, we’ll continue our brief but detailed introduction to our new Precisionary Rotary Microtome product line. Learn about this family of microtomes with us. This week, we’ll focus on our Precisionary Rotary Microtome RF-800! Precisionary Rotary Microtome RF-800 Our rotary microtome RF-800 is our best selling model. The RF-800 is a semi-automated model that is ideal […]

Hello! For this week and the next few weeks, we’d like to introduce you to each of our new rotary microtome models. Often, it’s super confusing when exploring a product line and deciding what microtome to buy. So we want to make this easy by introducing you to each of our microtome models one-by-one, with clear […]

We at Precisionary Instruments have been making tissue slicers for over 15 years. Now, we would like to launch a brand new product line: ROTARY MICROTOMES! What are rotary microtomes? A microtome makes tissue sections by making cuts that move vertically downward against a knife. A “rotary” microtome uses a rotational handwheel to control the cutting […]

Hello everyone! We at Precisionary Instruments have an important announcement to make: Starting on January 1, 2022, we will discontinue the legacy Compresstome model line. This line includes the following models: VF-200-0Z VF-300-0Z and VF-700-0Z Instead, please take a look at our newer models: the Compresstome VF-500-0Z and VF-310-0Z. Please note that we will still support […]