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Core Research Facilities

OPTICAL MICROSCOPY FACILITY

PART I : DESCRIPTION OF SERVICES

INTRODUCTION:
The Optical Microscopy facility, located in the Biochemistry Department, is a WMC core facility. The facility director is Dr. Lynda Pierini, the facility manager is Leona Cohen-Gould, and overall supervision and guidance is provided by Dr. Frederick Maxfield. This facility provides equipment and expertise to assist investigators in applying sophisticated optical microscopy techniques to their research. 

In general three levels of use are anticipated. The facility does not operate purely as a technical service, and the laboratory originating the project should plan on having a scientist present at all times.

1. Independent use
The laboratory originating the project will provide personnel to use the microscope and carry out the experiments. Training of users who are generally familiar with optical microscopy will be provided by the core facility. Use of the facility is monitored by the facility staff, and they are available for emergencies. Consultations with facility staff can be arranged separately. 

2. Assisted use
The Facility Manager will assist scientists from the originating laboratory in using the microscope. The manager will operate the microscope, acquire images, and assist with basic aspects of image display and printing. The manager may provide advice in procedures related to sample preparation, but actual sample prep is the responsibility of the originating laboratory. 

3. Collaborations
When extensive assistance is needed in sample preparation or data analysis, this must be arranged as a scientific collaboration with a knowledgeable user. 

LOCATION:
Rooms LC-207, E-135

STAFF:
Frederick R. Maxfield, Ph.D., Professor & Chairman, 212-746-6405 
Lynda Pierini, Ph.D., Director, 212-746-6459 
Leona Cohen-Gould, Manager, 212-746-6146; page: 746-6700 #17334 

FACILITY DESCRIPTION:
The Optical Microscopy Facility provides equipment and expertise to assist investigators in applying sophisticated light microscopy techniques to their research. The equipment in this facility includes a confocal microscope to be used for 3D image acquisition, and Dell and Silicon Graphics workstations to quantify, manipulate and render 3D fluorescence microscopy images. In addition to access to the equipment, the Facility provides consultative and collaborative assistance in research efforts. This allows researchers with expertise in biochemistry and molecular biology but who are unfamiliar with optical microscopy methods to apply these techniques in their research. The facility Manager and Director provide advice in the design of experimental programs, instruction in the use of the equipment, and assistance in the interpretation of data. 

EQUIPMENT:

The facility now has a Zeiss LSM510 laser scanning confocal microscope. This microscope has four detectors (3 for fluorescence 1 for bright field/Differential Interference Contrast). It is illuminated by 3 lasers (Argon, "green" Helium-Neon and "red" Helium-Neon)which supply excitation lines at 458nm, 488nm, 514nm, 543nm, and 633nm, allowing simultaneous confocal imaging of 3 fluorophores (e.g.: FITC, Rhodamine and CY5) plus the bright field/DIC image. The facility also has a Dell workstation that runs the Zeiss proprietary image analysis and 3-D rendering software as well as a Silicon Graphics O2 workstation running Image Space 3-D image analysis software (Molecular Dynamics) and software for protein structure analysis. 

ORGANIZATION AND SERVICES PROVIDED

    1. CONSULTATION. Consultation on experimental design and approach is provided by the Facility Manager and Director. 

    2. CONFOCAL MICROSCOPY IMAGING. The investigator is expected to have thoroughly discussed their experimental plan with the facility manager or director before preparing samples for imaging. This is to ensure feasibility of the project, and that the investigator's sample preparation can be imaged by the confocal microscope. Users will be responsible for their own sample preparation. 

    The facility can acquire images of fluorescently labeled tissue or cells where the background fluorescence from out of focus objects has been reduced. If needed, optical sections can be obtained to image the entire cell volume. A wide variety of fluorophores that emit in the green and red portions of the spectrum can be imaged, such as: FITC, GFP, Alexxa 488, Cy3, Rhodamine, Texas Red, DiI, Cy5 (to name a few). Once acquired, these images can be quantified, or manipulated in 3-D on the facility's Dell and Silicon Graphics workstations. 

    Investigators will be responsible for archiving their data. 

    Investigators will be allowed to use the facility unassisted only after they have been trained to the Manager's satisfaction. Otherwise, the manager will assist in the facility's usage. Misuse of the instrument will result in charges for repairs and revocation of permission to use it. 

    3. TRAINING. The Manager will provide training in usage of the confocal microscope and the workstations. Training sessions are arranged in consultation with the Facility Manager. 


PART II: FEES FOR SERVICE

The fees for the services of the Optical Microscopy Facility were set as follows on January 1, 2000. 

All users must provide an account to be charged before using the facility. Signed up time is charged whether or not it is used unless a replacement user is found. 

Each research group will receive up to 6 hours of initial training without added charges. Additional training will be available at the assisted use rate. 

Confocal microscopy charges

Independent use: $50 per hour Monday - Friday 9 am to 6 pm
$25 per hour Monday - Friday 6 pm to 9 am
Assisted use: $75 per hour
Image processing and display computers
Independent Use: $10 per hour (max. $20/day); overnight use: $20
Assisted use:  $40 per hour

All users are responsible for properly maintaining the microscope. Damage or problems must be reported promptly to the facility staff. Research groups may be charged for repairs caused by improper use including failure to clean optics properly. Pre-existing problems must be reported immediately to avoid being charged. Experience indicates that these repairs can cost as much as $4000 for careless treatment of objectives. 


PART III: PROCEDURES FOR USE OF THE OPTICAL MICROSCOPY FACILITY

PERSON TO CONTACT:
 Leona Cohen-Gould, 746-6146 
 746-6700 #17334 (pager) 

SCHEDULING:
The facility is open Monday-Friday 9 am-5 PM, and after hours at the discretion of the staff. Scheduling is done by sign-up sheet and coordinated with Ms. Cohen-Gould for those needing assistance. Users will be billed for reserved time unless it is canceled at least one day in advance or used by another group. 

BILLING:
Billing will be generated at the end of each month and processed through the Biochemistry Department. 
 


ZEISS LSM 510 CONFOCAL SIGN-UP RULES

IF THE LASERS HAVE BEEN SHUT OFF, THEY MUST COOL FOR 2 (TWO) HOURS. Check the schedule to see if someone is booked after you. If yes, leave the microscope running.

  • Trained users will be issued an access code for the locks on rooms LC-207 & E-135. Please see Lee Cohen-Gould to get your code.
  • Sign-up will be in 3 hour (maximum) blocks of time: 9 am-12 noon; 12 noon-3 PM; 3 PM-6 PM. If there is no one signed up after you, you may continue to work. Evenings and weekends are available for extended periods of work.
  • You may reserve only one block of time per day. Each lab group may reserve 2 blocks per day. If usage is very heavy, the advisory committee will establish rules to determine access. 
  • If you cannot use the time you've reserved, you must cancel with 1 day's notice If you fail to cancel with appropriate notice, you will be billed for the time reserved, unless you find someone to use that time.
These rules may change as usage patterns become established.

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