SHINE ATE Regional Center – NSF DUE# 1204279 Number: _____11__________________ WORK INSTRUCTION BREAKDOWN SHEET Operation: Laser Scanning Confocal Microscope Operations Instrument: Olympus Fluoview FV10i Laser Scanning Confocal Microscope IMPORTANT STEPS A logical segment of the operation when something happens to advance the work. Gather necessary resources. Gather necessary resources. KEY POINTS 1Anything in a step that might— 1. Make or break the job 2. Injure the worker 3. Be a Cultural Consideration 4. Make the work easier to do, i.e. “knack”, “trick”, special timing, bit of special information REASONS WHY Reasons for each key point Sample Stage Preparation If using small cylindrical sample holders, use the setup to the right. Notice the different types of “sample locks” (which hold the samples firmly in place) and “sample sites” (where the sample is held on the stage during imaging). If using glass slides, use the setup to the right. Notice the “oil deposition site” (where oil is deposited before using the 60x Objective) and the “stage key” (used to align to microscope when inserting stage). Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Place sample site on the stage (small cylindrical samples). Once sample slide is in place, secure it using sample locks. Place sample site on the stage (glass slides). For small cylindrical sample holders, place the sample onto the sample site and lock it in with the sample locks. For class slides, place sample into sample site so that the area of interest is located near the “3” marker on the stage. This is good practice because the machine will start imaging at this center point. Ensure that the cover slip side of the glass side is facing down and away from the Operator. Once sample slide is in place, secure it using sample locks. Open microscope hood and insert stage. Align the stage key hole with the cylindrical piece of metal on the microscope that fits inside it. Close the hood, and now the sample is ready to be imaged. One aspect is essential; the Operator must make sure that the cover slip has a height equal to or less that a #1.5 cover slip, otherwise the sample or the instrument can be damaged. Using the “Hood Open” button. Restart of the application is required for any sample holder change. They will line up and snuggly fit together. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Dye Selection Select “Set from Dye Data Base” tab, near the top left of the yellow highlighted window above. Identify the type of dye of which the sample is strained. Select a dye name on the list and then click “Apply”. If no dye is given, select a wavelength of light that is known to excited fluorophores in that sample. If that information is unknown, then the Operator must first test the four basic excitation wavelengths provided (Blue, Green, Red and FarRed). No more than four and at least two wavelengths must be selected before imaging can begin. The dye name will now be registered on the “Selected Dyes” list (denoted by the green highlighted window in the image above). Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Click “Start” near the bottom center of the screen (denoted by the red highlighted window in the image above). Acquisition of Map Image (refer to “Map Image” tab) When three or more dyes have been selected then the Operator must choose a combination of two for the initial image mapping. This is done by clicking on the desired combination and then clicking on “OK” at the bottom of the window. Select container of interest. For glass slides, the number on the stage of which the glass slide has been placed corresponds to the container number. Whichever container, indicated by the light grey box in the image to the left, is selected will be the container that is mapped. Other parts of the glass slide can be looked at by switching containers. Click “Register” to mark down all the containers to be mapped; use the “Delete” button to remove registered containers. Start map acquisition: Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Using the window to the right, adjust the brightness of the map image. Under the “Scanning Order” section, select to either image the current container, containers that have already been registered, or manually select the sections of the container to be manually imaged. If the Operator chooses to manually select sections, simply double click on the acquisition screen inside one of the large squares and the machine will raster that site. The Operator is now ready to acquire the map image. Click “Start” locate at the bottle left of the window to the right. During map acquisition: Once the Operator has selected “Start”, the progress bar can be observed at the bottom of the screen, which indicates the machine is conducting autofocus and auto brightness. At any time, the Operator can click “Stop”. Once the progress bar disappears, the map image acquisition will begin. It is at this point that the Operator can manually select the boxes for the machine to raster if “Manual” was selected. This can be used if the Operator finds the desired feature and wants to move on, or see if mistakes have been made and wants to move back. “Stop” can be an excellent time saver, allowing the Operator to move forward or backward in the imaging process. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Before moving on to using the Observation Window, it should be noted: Look to the window at the right indicated by the green square. In this area the Operator can select the cannels that the image is being displayed on. By turning these channels on and off, very different images and features can be observed. When the Operator is ready to move on, click “NEXT”. The image directly above is the image map created during the previous steps. In this window the Operator can navigate Try turning off the phase contrast first. If most of the image is in phase contrast, a new sett of dyes needs to be selected that will cause the sample to fluoresce. DO NOT CLICK “Start” or the acquisition process start all over. Observation Window Layout This is done by double clicking anywhere on the image to focus the lasers at that point. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 around the sample to find Use the channel buttons points of interest. above the image to adjust which wavelength to be observed. Use the “Zoom” bar on This avoids wasting time the side to identify using the laser to look at important features first. the image; it is a slow process and it can damage the sample. Using the “Repeat” button. Select the channels that the image is being displayed on by using the feature illustrated at the right. Use the container selection tool, located at the very top of the window, to change the container. At 1X the machine rasters at a standard speed and yields much clearer images. This changes the area of the slide to be observed. At 4X the image is generated much quicker, but the resolution is poor. Raster speed does not affect the final image; however, it does influence the rate of photobleaching of the sample. A quicker rastering speed means more passes by the laser over the area of interest. More passes means more excitation which inevitably leads to photobleaching, resulting in an unimagable section of the sample. The Repeat button determines the rate at which the microscope rasters an image. By turning these channels on and off, very different images and features can be observed. When multiple dyes were selected, the Operator can only have two activated at one time during the image observation. As the operator switches between lasers, an image is Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 As the Operator moves around the map image, the image will change (ensure that “Repeat” is ON). This section of the screen affects the depth of focus and the magnification being used: generated that combines all the different channels into a single image. Each square represents a The bottom right square different wavelength combines all other being recorded. images into one. By adding and removing channels, the individual squares that are associated with those channels will alter the combined image. This will not affect the final image capture. By clicking and dragging This allows for precise within these squares the feature alignment. Operator can move the focus of the laser. By clicking on the “10X” button, the Operator will activate the 60X magnification. If “60X” magnification is activated, click on the button to change it back to 10X magnification. Look to the “60X Lens Oil Deposition” section before changing magnification. By clicking “Drop Oil” the Operator prepares the 60X lens for oil deposition. By sliding the bar, located at the very bottom, the Operator will either zoom in or out of the lasers point of focus. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Use the “Depth” Tab. Use the “Other Parameters” Tab. “AF” arrow indicates the point of autofocus. If the Operator slides this arrow up and down, the depth of focus changes and the top and bottom of the feature is visible. “End” and “Start” bars are used to take stacks of images. Stacks can be used to generate 3D images. Use “Image Size” menu to choose the desired size for saved images. “Speed & Quality” is responsible for image quality. Use the “Sensitivity” Tab. Use the “Laser” Tab. “Confocal Aperture” affects the size of the aperture. Smaller aperture means less light is being capture. This is typically observed at “x1.0” setting. This tab is used to change the sensitivity of the machine to specific lasers being emitted onto the sample. This tab is used to change the intensity of specific lasers being emitted onto the sample. Higher resolution means a much larger file size and a much longer image acquisition period. This is typically seen in “High Quality”. A higher sensitivity means the machine will detect more photons at that wavelength. This feature can be useful when isolating areas of interest on the sample. A higher intensity means more photons of that wavelength are being emitted. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Be careful not to have these too high. High energy lasers can cause easy photobleaching effects and other sample damage. 60x Lens Selection and Oil Deposition Look to Area 5 on the “Observation Window Layout”. Click on the “10X” button. A window will pop up saying, “Please replenish objective lens with oil.” Open the microscope hood. Look to the sample stage and find the oil deposition site. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Obtain the vial of Olympus brand oil and apply the oil. Push the fluid out until the bubbles in the shaft are gone and a small drop is at the tip. Wipe the drop off with tissue as shown below: Push another drop out onto the tip and gently place it on the oil deposition site. Do NOT touch the lens with the plastic vial. Oil on the lens will damage or even ruin the lens. Close the hood, and press OK; the Operator is now ready to image at 60X magnification. Basic 2D Image Observation and Acquisition (refer to Image Acquisition Window Layout) In Area 1, use the “Map” image to locate an are on the sample to be imaged. Use the “Repeat” button The image will appear in in Area 2 to start Area 4. generating an image. Use the channel buttons in Area 3 to isolate specific wavelengths that are of interest. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Area 4 will contain the images from all channels. Click and drag the mouse around this area to move around the sample. Use the focus bar in Area 5 to zoom up on the feature of interest. In Area 6, select the “Other Parameter” tab and change the image size to “1024x1024.” Change “Speed & Quality” to “High Quality.” Change the “Confocal Aperture” to “x1.0.” In Area 7, adjust the sensitivity and the laser intensity. Use the “10x” button to obtain a deeper zoom. Reference “60x Lens Selection and Oil Deposition” section before changing the magnification. Use the depth tab if you would like to change the depth of the focus. There is no formula for Selecting 1 will give the this. Uses simple rail and Operator a good idea of error to find the best what the final saved possible image quality. image will look like. Before selecting “Save”, go back to Area 2 and turn the repeat to “1x.” Area 8 is relatively “Series Start” is only used straightforward. There during 3D image are two lines. The first acquisition. “One Shot” is asks the Operator to used when only taking a select a save location. single image. When ready, The second line asks for select “One Shot” and the file name. move away from the computer to avoid vibrations. It may take a few minutes depending on some of the settings. Basic 3D Image Observation and Acquisition (refer to Image Acquisition Window Layout) In Area 1, use the “Map” image to locate an are on the sample to be imaged. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Use the “Repeat” button in Area 2 to start generating an image. Use the channel buttons in Area 3 to isolate specific wavelengths that are of interest. Area 4 will contain the images from all channels. Click and drag the mouse around this area to move around the sample. Use the focus bar in Area 5 to zoom up on the feature of interest. The image will appear in Area 4. Use the “10x” button to obtain a deeper zoom. Reference “60x Lens Selection and Oil Deposition” section before changing the magnification. In Area 6, select the “Other Parameter” tab and change the image size to “1024x1024.” Change “Speed & Quality” to “High Quality.” Change the “Confocal Aperture” to “x1.0.” Adjust the “End” and These are the z-stack “Start” bars located under markers. For a complete the “Depth tab in Area 6. 3D image, move these markers to the highest and lowest points of the observed feature. Once the Operator finds a place where the feature is barely visible, one of the extremes has been reached; click the “Set” button to anchor that marker in place. Adjust the “Step” section. More steps mean a more complete image, but a longer imaging period. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Fewer steps is quicker, but will only image a limited number of slices between the two specified heights and thus the resolution will not be as good. Look to the “Time & Number” section located below Area 7. Adjust the max/mn points and change the number of steps observed in the timeframe change feature. In Area 7, adjust the sensitivity and the laser intensity. Area 8 is relatively straightforward. There are two lines. The first asks the Operator to select a save location. The second line asks for the file name. Often the image quality is limited to the amount of time available to take images. There is no formula for this. Uses simple rail and error to find the best possible image quality. Before selecting “Save”, go back to Area 2 and turn the repeat to “1x.” “Series Start” is only used during 3D image acquisition. When ready to image, click “Series Start” and move away from the computer to avoid vibrations. The machine will begin taking images between two specified points. The Operator will know how long it takes by looking at the “Time & Number” section. Image Editing Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 Open Editing Program FV10-ASW 3.1 Sign in to program: Navigate the “Explore” window and locate a desired image. Double click on it to open it. User ID: Administrator Password: Administrator The below window will be visible: A window like this appears: Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 The next four steps use the toolbar to the right: The orange highlighted area (a) is the channel select bar. Turning these channels on and off has the same effect as it does when acquisitioning an image. Only the wavelengths selected will be displayed. The red highlighted arrow button (b) opens the 2D control panel. Features in this window have not been thoroughly explored, so as far as image editing goes, it will entail a lot of trial and error. The green highlighted c) rainbow button with the scale on it opens the LUT window. In this window, the Operator has the freedom to color your image in any way. Each channel has its own set of RGB settings, and each of those has their own subsettings. Image editing is Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 preferential, and this window allows the Operator to cater images with unique style. There eis no defined method for maximizing image quality, so trial and error will be the primary tool to maximize quality. The pink highlighted button (d) with the pencil on it is the basic shapes tool bar. Here the Operator can draw a number of different shapes. The primary concern in this toolbar is the “Scale” feature and the “Text” feature. Save the image. Click on the giant “A” near the top of the toolbar. It will ask to specify the location of the text. Click on the screen to write at that location. Click on the ruler at the bottom of the toolbar. Once selected, click and drag across the area where the scale bar is to go. Right click on the screen to pull up the available saving options. Clicking “Save” and Save As” will save only the image. Anything added to it will NOT BE SAVED. Clicking on either of the “Export” buttons will allow the operator to save Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 the image AS IT HAS BEEN EDITED in various formats. Image editing in 3D (All the previous editing techniques can also be applied to 3D images). The box to the left opens “3D Animation.” The box to the right combines all the images into a 3D rendering for further editing. After clicking the right box, the windo will look like the one to the right.In this view, the Operator can click and drag around the image to rotate it 360 degrees in any direction. Right click on the image to open more settings. Observe the scale bar. Clicking “Save Display” will capture whatever is on the image screen at that time. When the Operator opens a 3D image, a slightly different window appears. The two boxes in the upper right corner will be highlighted and explained in the following two steps. This takes the entire stack of images and creates a slideshow that makes them appear as on rotating image. In this view the Operator also has access to the 3D control panel and the 3D image settings and can access these panels the same way as in the 2D view. In the “3D Control Panel” switch between the two rendering modes; both will give a unique image. In the “3D Image Settings” window, go to the “Image” tab and adjust the resolution with the slide bar; this usually helps increase the image quality. Write down the dimensions of the feature. When converting back to a 2D image the scale does Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press. SHINE ATE Regional Center – NSF DUE# 1204279 not carry over, so the Operator must manually create a scale bar. Once the Operator has oriented and edited the image, go to the top left of the 3D window. A button that shows a box turning into a square is the 3D to 2D button. Once an image is converted to 2D, it behaves the same was as all other 2D images, with one small difference. If the Operator tries to add a scale bar now, it will only give the dimension in pixels. There is a pixel to distance conversion, but all aspects of the image quality must be known. Therefore, the scale bar must be manually created using the scale bar function and the text function. Adapted from Graupp, P. & Wrona, R. (2006) The TWI Workbook: Essential Skills for Supervisors. New York, NY. Productivity Press.
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