Phase-contrast Microscope: This type of microscope is used to observe transparent samples, such as living cells or bacteria, which are difficult to see using traditional bright-field microscopy. It produces images by detecting the differences in the refractive index of the sample, rather than differences in light absorption. Learn more about phase contrast here.

In an optical microscope, light from a source is focused onto the specimen through a series of lenses, and the light that is transmitted through or reflected by the sample is collected by another set of lenses and directed to the observer's eye or a camera.

Confocal Microscope: This type of microscope uses a laser to scan a sample point by point, and creates a 3D image by stacking the individual images together. It is used to observe thick or complex samples, such as tissues and embryos, and can produce high-resolution images with minimal background noise.

Super-resolution Microscope: This type of microscope uses various techniques to overcome the diffraction limit of light, allowing it to achieve a resolution beyond that of traditional optical microscopy. It is used to observe structures and molecules at the nanoscale, such as proteins, viruses, and cellular organelles.

Ok, this app is amazing it does wonders! BUTTTT I have to pay for it to teach me how to do it like Bruh. I thought y’all got money’s from ads? Instead of doing that I have an Idea for Y’all. Instead of making people pay to learn how to do it, but You should have a learn option but not like the one you have now, the learn option should be an option that teaches you how to do it but instead you actually have to solve problems and rather you take a quiz on it and retake it as much as you’d like! And up you can make people pay for it as it will be “premium”. You could also include flash cards, and games to help figure the math type out!! People would definitely be willing to pay for an app that teaches good!! What you have now dose t do much for teaching but instead you can make a new and improved and FUN way to learn math, then you can have them add points to the equation whenever you get a question right! And then add an avatar that you can customize but you will need coins to buy whatever you want, you can earn those coins by answering correctly math. Or at least getting 7/10 or more right!!! Again this would main your app wayyy Funner and teachers could use it as a way to teach and would pay for the program!! So adding that would equal MORE MONEY towards your company!!! Let me know if you guys use this idea, and thanks for reading 🥺❤️💕

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Dark-field Microscope: This type of microscope uses a special condenser lens that directs light at an oblique angle onto the sample, causing the sample to appear bright on a dark background. It is used to observe samples that do not absorb or transmit much light, such as bacteria, viruses, and nanoparticles. Learn more about darkfield microscopy here.

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Limited Contrast: Some samples, particularly those that are transparent or have a similar refractive index to their surroundings, can be difficult to see using optical microscopy. This can limit the ability of researchers to observe and analyze certain types of samples.

Every now and again an app comes along to blow your hair back and make you believe you’re living in a science-fiction future. Photomath lets you point your camera at the problem and a step-by-step explanation (and answer!) instantly appears on your screen. Triple-digit multiplication? Photomath’s got it. Linear and quadratic inequalities? No problem.

Limited Depth of Field: The depth of field of an optical microscope is limited, meaning that only a narrow section of the sample can be in focus at any given time. This can make it difficult to image thick or 3D samples, and can result in images with blurred or out-of-focus regions.

So I do sometimes cheat a little with homework but the only benefit is not knowing the answer on tests (no one knows I use it during that time too) I’m not rlly the best student when it comes to math/algebra but it is what it is. Sometimes I think tho that I’m not going to use some of these equations in my future life so might as well not learn about it now but that might take a turn on my later in life but that’s just me. Personally it’s still a great app so I have no dirt to throw on it but maybe some teachers do because it’s not rlly helping the “students” but this app also shows the process of how it gets its answers step by step. I haven’t got as far as degrees but you can also look up your book to get the answers too. I’m surprised you got this far but still it’s a cool app to use in your daily life if there’s a WiFi that you need to some bogus math problem, then would you be able to use this app. Kudos to u for getting this far! Also I hope I didn’t waste any of your time, I’m just writing a good review but it might need better punctuation but there’s a different app for that.

Optical microscopy has revolutionized many fields of science and technology, allowing researchers to visualize and understand the structure and function of cells, materials, and devices at the micro- and nanoscale.

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These are just some of the most common types of optical microscopes, and there are many other variations and combinations of these types available, each with its own advantages and limitations.

Photobleaching and Phototoxicity: Fluorescence microscopy, in particular, can be limited by photobleaching, which is the irreversible destruction of fluorescent molecules due to light exposure, and phototoxicity, which is the damage to living cells or tissues due to prolonged light exposure.

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Photomath is known worldwide for helping millions of learners to learn, practice, and understand math – one step at a time. Scan any math problem with the Photomath app to get step-by-step explanations with accurate solutions and a variety of teacher-approved methods. Math is about the process, so Photomath breaks your problem into bite-sized steps to help you understand the “what” and “why” along with the “how.” Whether you’re learning basic arithmetic or advanced geometry, we’ll tackle it together, step by step. Why Photomath? Billions of math problems: From elementary arithmetic to advanced calculus and everything in between, Photomath can solve billions of math problems—including word problems! Whether handwritten, in a textbook, or on a screen, Photomath is here to help you untangle your trickiest problem.Step-by-step explanations: Math isn’t just about an answer. It’s about every step along the way. That’s why Photomath breaks down each step, so you can *really* learn. Less guesswork = less stress, especially with our new Animated Steps, which show you the exact progression of a particular step. Get basic step-by-step explanations at no charge when you download Photomath.Expert-developed methods: Photomath’s educational content is centered around the learner’s experience, driven by the expertise of our own team of mathematicians and former math teachers. Self-paced learning: Photomath’s instant support is like having a 24/7 virtual tutor. Checking your homework before dinner? Stuck on a problem at 2am? We can help. Follow our detailed steps, taking whatever time you need to review definitions, rationale, and more – all within the explanation.Want to dive deeper and explore more ways to learn? Photomath Plus can get you there with custom Animated Tutorials, detailed Textbook Solutions, and more! KEY FEATURES• Step-by-step explanations included in our basic version (at no charge)• Word problem instructions• Interactive graphs• Video learning• Multiple solution methods• Advanced scientific calculatorPhotomath is for learners of all levels, including those studying:Numbers & QuantityAlgebraFunctionsTrigonometry & AnglesSequencesGeometryCalculus“The step-by-step guide is beneficial to students that do not have access to a tutor and struggle with solving math problems.” — Forbes“A viral video about a new app looks like a dream come true for anyone who struggles with math.” — Time___________________________________________• Payment will be charged to your Apple ID account at the confirmation of purchase. • A subscription automatically renews unless it’s canceled at least 24 hours before the end of the current billing period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • Manage or cancel your subscription in your account settings on the App Store after purchase. • Offers and pricing are subject to change without notice. Suggestions or questions? Email us at support@photomath.com Website: www.photomath.comTikTok: @photomathInstagram: @photomath Facebook: @Photomathapp Twitter: @Photomath Terms of Use: https://photomath.app/en/termsofuse Privacy Policy: https://photomath.app/en/privacypolicy

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Semiconductor industry: Optical microscopy is used in the semiconductor industry to analyze and optimize the fabrication process of semiconductor devices. It enables researchers to observe defects and impurities in semiconductor materials and to optimize the performance of semiconductor devices such as transistors and diodes.

The magnification power of a compound optical microscope relies on the combination of the ocular and objective lenses. It is determined by multiplying the powers of these lenses. For instance, when a 10x ocular lens and a 100x objective lens are used together, the resulting magnification is 1000x.

Forensic science: Optical microscopy is used in forensic science to analyze trace evidence such as fibers, hairs, and fingerprints. It enables forensic investigators to identify and compare samples and to provide evidence in criminal investigations.

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Fluorescence Microscope: This type of microscope uses a light source that excites fluorescent molecules within the sample, causing them to emit light of a different color. It is used to observe samples that have been labeled with fluorescent dyes or antibodies, such as cells and tissues.

Sample Preparation: Preparing samples for optical microscopy can be time-consuming and may require specialized techniques or equipment. Some samples may also be damaged or altered during the preparation process, which can affect the accuracy and reliability of the observations.

There are several types of optical microscopes, each with its own unique design and imaging capabilities. Some of the most common types of optical microscopes are:

Bright-field Microscope: This is the simplest and most common type of optical microscope. It uses a bright light source to illuminate the sample, and produces a dark image on a bright background. It is used to observe the structure and morphology of a wide range of specimens, such as cells, tissues, and microorganisms.

Limited Resolution: The resolution of an optical microscope is limited by the diffraction of light, which means that it cannot resolve details smaller than approximately half the wavelength of the light used. This limits the ability of optical microscopy to observe structures at the nanoscale.

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An optical microscope utilizes standard light-sensitive cameras to generate a micrograph. In the past, photographic film was commonly employed to capture these images.

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Despite these limitations, optical microscopy remains a valuable tool for many types of research, and new technologies and techniques continue to improve its imaging capabilities and overcome some of these limitations.

Nanotechnology: Optical microscopy is used in the field of nanotechnology to study and manipulate nanostructures. It enables researchers to observe and manipulate individual atoms and molecules, which is essential for developing new materials and devices at the nanoscale.

Biological research: Optical microscopy is extensively used in biological research to visualize biological specimens such as cells, tissues, and microorganisms. It enables researchers to observe and study the internal structure and function of these specimens, which is crucial for understanding biological processes and developing new medical treatments.

Material science: Optical microscopy is used to study the microstructure of materials such as metals, polymers, ceramics, and composites. It enables researchers to understand the relationship between the structure and properties of materials and to develop new materials with desired properties.

Optical microscopy PDF

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While optical microscopy is a valuable tool for studying samples at the micro- and nanoscale, it also has several limitations that researchers should be aware of. Some of the main limitations include:

Optical microscopes can be used in a variety of modes, including bright-field, dark-field, phase-contrast, and fluorescence microscopy, among others. Each mode provides different types of information about the specimen, such as its shape, texture, composition, and even its behavior under different conditions.

Optical microscopy is a technique that uses visible light and a series of lenses to magnify small objects to a level where they can be observed and analyzed. It is a widely used tool in many fields, including biology, material science, and physics, among others.

However, advancements in technology have revolutionized the process, enabling the use of CMOS and charge-coupled device (CCD) cameras to capture digital images with optical microscopes. Consequently, these digital microscopes can project the image onto a computer screen in real time, facilitating the examination of samples. This eliminates the need for eyepieces and enhances convenience.