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Our solutions, developed with you as our focus, are crafted by our team and network of professionals with advanced degrees in science, quality control, engineering, manufacturing and industry experience.

VWR provides the cell culture community with access to the most reliable supply of exceptional quality Fetal Bovine Serum: VWR Life Science Seradigm.

Nothing that happens in the labor other workplace is as important as your health and safety. Avantor® helps keep you safe with a robust line of safety products and personal protective equipment -- from waste bins to safety signs.

Our bioprocessing products are engineered to the highest quality standards and regulatory requirements. Explore our solutions for multiple applications - vaccines, monoclonal antibodies, recombinant proteins, cell or gene therapy.

Thank you for visiting our site. These terms and conditions of use are applicable to the United States, Canada and Puerto Rico websites (“collectively the Web Site”) operated by VWR (the “Company”). If you are accessing the Web Site from outside the United States, Canada, or Puerto Rico, please see the appropriate international website, available at www.vwr.com, for applicable terms and conditions. All users of the Web Site are subject to the following website terms and conditions of use (these “Terms of Use”). Please read these Terms of Use carefully before accessing or using any part of the Web Site. By accessing or using the Web Site, you agree that you have read, understand and agree to be bound by these Terms of Use, as amended from time to time, as well as the Company Privacy Policy, which is hereby incorporated into these Terms of Use. If you do not wish to agree to these Terms of Use, do not access or use any part of the Web Site.

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As our customers’ needs have evolved, so have our capabilities. We have become experts in scientific operations, improving performance with sophisticated solutions and providing guidance on best practices.

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Avantor supports end-to-end fluid management solutions – including Masterflex® peristaltic pumps and aseptic fluid transfer solutions – that are reliable and customer-centric, helping bioprocessing manufacturers meet their research and production goals.

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So much has changed during this unprecedented time, except your ability to count on Avantor. We continue to set science in motion to create a better world by providing you with the right solutions to keep moving forward.

With a commitment to technological leadership, Avantier MTF aims to contribute significantly to the production of future mobile phone camera lenses and photolithographic optics. Its advanced MTF measurement capabilities facilitate a better understanding of the behavior of optical systems at higher spatial frequencies, providing invaluable insights into image quality and helping researchers and engineers in designing and optimizing optical systems.

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Avantor carries a broad range of trusted products to help you meet the needs of your lab applications and protocols. Our product offerings can help with biomedical research, forensic work, and clinical diagnostics.

As your trusted, collaborative partner, Avantor Services helps you increase efficiency, maximize productivity, and accelerate innovation.

These gloves offer the perfect combination of improved elongation with outstanding protection from chemotherapy drugs, and an FDA-approved low dermatitis potential claim.

From a mathematical standpoint, Avantier MTF uses Fourier synthesis, treating the single slit as a sum over all spatial frequencies to calculate the MTF curve. Each spatial frequency contributes to the slit with the same amplitude (=1), and through this process, Avantier MTF can assess the modulation transfer function (MTF) of the sample. However, it takes into account factors such as diffraction and aberrations, which result in broadening the slit image, represented by the Line Spread Function (LSF).

VWR/Anachemia continues to be the undisputed leader when it comes to supplying laboratories conducting mineral analyses around the world...

Avantor® can help equip your life sciences lab with the products, equipment, and supplies you need – whether you work in cell biology, genomics, proteomics, or other fields.

These terms will be governed by and construed in accordance with the laws of the State of Pennsylvania, without regard to any principles of conflicts of law. You agree that any action at law or in equity that arises out of or relates to these Terms and Conditions of Use will be filed exclusively in the state or federal courts located in Pennsylvania and you hereby consent and submit to the personal jurisdiction of such courts for the purposes of litigating any such action. These Terms and Conditions of Use are applicable to users in the United States, Canada, and Puerto Rico. If you are accessing the Web Site from outside the United States, Canada, or Puerto Rico, please see the appropriate international website, available at www.vwr.com, for applicable terms and conditions. If you elect to access this Web Site from outside of the specified jurisdictions rather than use the available international sites, you agree to these Terms and Conditions of Use and that such terms will be governed and construed with the laws of the United States and the State of Pennsylvania and that we make no representation that the materials or services on this Web Site are appropriate or available for use in those other jurisdictions. In any event, all users are responsible for their own compliance with local laws.

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You acknowledge and agree that the entire contents of the Web Site (including all information, data, software, graphics, text, images, logos, and/or other material) and the design, selection, collection, arrangement and assembly thereof, are proprietary to the Company and are protected by United States and international intellectual property laws. You are authorized only to use the content on the Web Site for personal use or legitimate business purposes. You may not copy, modify, create derivative works of, publicly display or perform, republish, store, transmit, distribute, remove, delete, augment, add to, participate in the transfer of, license or sell any of the material on the Web Site without the prior written consent of the Company, except to: (a) store copies of such materials temporarily in RAM, (b) store files that are automatically cached by your Web browser for display enhancement purposes, and (c) print a reasonable number of pages of a Web Site; provided in each case that you do not alter or remove any copyright or other proprietary notices included in such materials. Neither the title nor any intellectual property rights to any information or material on the Web Site are transferred to you, but remain with the Company or the applicable owner of such content.

Avantor® is a leading life science tools company and global provider of mission-critical products and services to the life sciences and advanced technology industries. We work side-by-side with customers at every step of the scientific journey to enable breakthroughs in medicine, healthcare, and technology. Our portfolio is used in virtually every stage of the most important research, development and production activities at more than 300,000 customer locations in 180 countries. For more information, visit avantorsciences.com and find us on LinkedIn, X (Twitter) and Facebook.

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The measuring system of Avantier MTF accommodates MTF measurements at a single wavelength or within a spectral range covering a finite band of wavelengths, providing monochromatic or polychromatic MTF values, respectively. This flexibility ensures accurate assessments of image quality across different optical systems and under varying conditions.

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The Company name and logo, and all related names, logos, product and service names appearing on the Web Site are trademarks of the Company and/or the applicable third party suppliers. They may not be used or redisplayed without the Company’s prior written consent.

Avantier MTF (the Modulation Transfer Function) is a new and innovative entrant in the field of MTF measurement technology, offering state-of-the-art solutions for evaluating the imaging performance of optical systems. Similar to modern MTF Testers like the ImageMaster®, Avantier MTF employs a measuring system that utilizes a single illuminated slit on an opaque background as the object for MTF testing.

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Avantor supports end-to-end fluid management solutions – including Masterflex® peristaltic pumps and aseptic fluid transfer solutions – that are reliable and customer-centric, helping bioprocessing manufacturers meet their research and production goals.

With our team of accredited service providers, we can be your single point of contact for all equipment & instrument service needs...

We’ve built our reputation on consistent, comprehensive mastery of day-to-day operations, allowing lab, clinical, and production environments to focus their high-value resources on core scientific priorities.

D. Your failure to comply with the provisions of (A) or (B) above may result in the termination of your access to the Web Site and may expose you to civil and/or criminal liability.

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VWR is ready to support your production facility with reliable access to raw materials and essential supplies. We can also help you increase productivity...

1. Defame, abuse, harass, stalk, threaten or otherwise violate the legal rights (such as rights of privacy and publicity) of others. 2. Publish, post, upload, distribute or disseminate any inappropriate, profane, defamatory, infringing, obscene, indecent or unlawful topic, name, material or information. 3. Upload files that contain software or other material protected by intellectual property laws (or by rights of privacy of publicity) unless you own or control the rights thereto or have received all necessary consents. 4. Upload files that contain viruses, corrupted files, or any other similar software or programs that may damage the operation of another's computer. 5. Intercept or attempt to intercept electronic mail not intended for you. 6. Advertise or offer to sell or buy any goods or services for any business purpose, unless such Community Feature specifically allows such messages. 7. Conduct or forward surveys, contests, pyramid schemes or chain letters. 8. Download any file posted by another user of a Community Feature that you know, or reasonably should know, cannot be legally distributed in such manner or that you have a contractual obligation to keep confidential (notwithstanding its availability on the Web Site). 9. Falsify or delete any author attributions, legal or other proper notices or proprietary designations or labels of the origin or source of software or other material contained in a file that is uploaded. 10. Misrepresent an affiliation with any person or organization. 11. Engage in any other conduct that restricts or inhibits anyone’s use of the Web Site, or which, as determined by the Company, may harm the Company or users of the Web Site or expose them to liability. 12. Violate any applicable laws or regulations or violate any code of conduct or other guidelines which may be applicable for any particular Community Feature . 13. Harvest or otherwise collect information about others, including e-mail addresses, without their consent.

VWR enables the advancement of science by providing high-quality chemicals and services, customized to your product or manufacturing needs.

To cater to various imaging systems and applications, Avantier MTF offers versatile options for its target objects, allowing users to choose between a single slit, a cross (two perpendicular slits) for simultaneous two-directional MTF measurement, or a pinhole target, which provides information about the Point Spread Function (PSF) containing complete MTF information in all image directions.

The Web Site may contain links to other websites on the internet. The Company is not responsible for the content, products, services or practices of any third party websites, including without limitation sites linked to or from the Web Site, sites framed within the Web Site or third party advertisements, and does not make representations regarding their quality, content or accuracy. The presence of links from the Web Site to any third party website does not mean that we approve of, endorse or recommend that website. We disclaim all warranties, express or implied, as to the accuracy, legality, reliability or validity of any content on any third party website. Your use of third party websites is at your own risk and subject to the terms and conditions of use for such websites.

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A strong, vibrant research and development group is the lifeblood of all industries. VWR will support you from the latest life science products to the guaranteed purity of organic building blocks...

We use operational excellence to deliver solutions that enable research, testing, production, and commercialization across the globe.

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VWR®'s cell culture portfolio provides all the essential instruments, tailored to the needs of your cell biology processes.

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Any content and/or opinions uploaded, expressed or submitted through any Community Feature or any other publicly available section of the Web Site (including password-protected areas), and all articles and responses to questions, other than the content explicitly authorized by the Company, are solely the opinions and responsibility of the person or entity submitting them and do not necessarily reflect the opinions of the Company. By way of example, any recommended or suggested use of products or services available from the Company that is posted through a Community Feature is not a sign of approval or recommendation by the Company. If you choose to follow any such recommendation you do so at your own risk.

The Fourier analysis of the Line Spread Function enables Avantier MTF to determine the contribution of each spatial frequency to the LSF, and the amplitude of each frequency corresponds to the contrast at that specific frequency. This comprehensive analysis of the MTF testing process allows Avantier MTF to provide accurate and reliable results for evaluating image quality and optical performance.

The Equipment & Instrument Service Team’s focus is to provide comprehensive service solutions for our customers. We provide validation, calibration, preventative maintenance, and extended warranties on all equipment & instruments in and around the laboratory.

VWR is your complete source for workplace supplies. Binders, calendars, pens, cleaning and sanitation supplies, and office equipment are just some of the essential products we offer...

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In pursuit of providing comprehensive solutions for image quality testing, Avantier MTF also recognizes the importance of both on-axis and off-axis MTF measurements. On-axis measurement involves testing the MTF along the axis of symmetry, while off-axis measurement is carried out by moving the target in the image plane and adjusting the image analyzer accordingly. This approach ensures a thorough evaluation of optical systems, capturing performance characteristics at various spatial frequencies and cut-off frequencies.

Avantor Services provides a wide range of specialized services and digital solutions to help you solve complex challenges.

These Terms and Conditions of Use, as they may be amended from time to time, constitute the entire agreement and understanding between you and us governing your use of the Web Site. Our failure to exercise or enforce any right or provision of the Terms and Conditions of Use shall not constitute a waiver of such right or provision. If any provision of the Terms and Conditions of Use is found by a court of competent jurisdiction to be invalid, you nevertheless agree that the court should endeavor to give effect to the parties' intentions as reflected in the provision, and the other provisions of the Terms and Conditions of Use shall remain in full force and effect. Neither a course of dealing or conduct between you and the Company nor any trade practices shall be deemed to modify these Terms and Conditions of Use. You agree that regardless of any statute or law to the contrary, any claim or cause of action arising out of or related to use of the Site or the Terms and Conditions of Use must be filed within one (1) year after such claim or cause of action arose or be forever barred. Any rights not expressly granted herein are reserved by and for the Company. We may terminate your access, or suspend any user's access to all or part of the Site, without notice, for any conduct that we, in our sole discretion, believe is in violation of any applicable law or is harmful to the interests of another user, a third-party provider, a service provider, or us. Any inquiries concerning these Terms and Conditions of Use should be directed to solutions@vwr.com.

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From scientific discovery to scale-up and commercial delivery, Avantor offers mission-critical products, services and solutions on a global scale.

We respect the intellectual property of others, and we ask our users to do the same. If you believe that your work has been copied and is accessible on the Site in a way that constitutes copyright infringement, you may notify us by providing our copyright agent the following information:

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Cleanrooms and controlled environments are used for ultraclean conditions in research and manufacturing. Get trusted safety products from Avantor.

Moreover, Avantier MTF acknowledges the significance of pixel resolution and high resolution in modern imaging technologies. It focuses on addressing challenges related to smartphone camera optics, under-display camera technology, and lens design to deliver cutting-edge measurement technologies that meet the demands of the industry.

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C. The Company reserves the right, but does not assume any responsibility, to (1) remove any material posted on the Web Site which the Company, in its sole discretion, deems inconsistent with the foregoing commitments, or otherwise inappropriate for any reason; and (2) terminate any user’s access to all or part of the Web Site. However, the Company can neither review all material before it is posted on the Web Site nor ensure prompt removal of objectionable material after it has been posted. Accordingly, the Company assumes no liability for any action or inaction regarding transmissions, communications or content provided by third parties. The Company reserves the right to take any action it deems necessary to protect the personal safety of users of this Web Site and the public; however, the Company has no liability or responsibility to anyone for performance or nonperformance of the activities described in this paragraph.

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Avantor supports end-to-end fluid management solutions – including Masterflex® peristaltic pumps and aseptic fluid transfer solutions – that are reliable and customer-centric, helping bioprocessing manufacturers meet their research and production goals.

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The Avantier Metrology service using TriOptics MTF Test Station is a cutting-edge testing system designed to evaluate the imaging performance of optical systems. Using the Modulation Transfer Function (MTF) principle, this station objectively and quantitatively assesses the resolution and quality of lenses. By analyzing the relative image contrast divided by relative object contrast, it calculates the MTF at various spatial frequencies and field of view positions. The system employs advanced techniques like Fourier analysis, utilizing single slits, crosses, or pinholes as test targets to determine the MTF accurately. Whether in finite-finite or infinite-finite imaging conditions, the Avantier Metrology service provides crucial data for optical and systems designers, enabling them to predict and compare the performance of optical systems effectively. Please contact us if you’d like to schedule a free consultation or request for a quote on your next project.

Avantor has the resources to make your Chromatography or Mass Spectrometry applications run efficiently and effectively—from the measuring apparatus needed for chromatography, or the proteins used to fulfill sample manipulation during mass spectrometry.

Avantor supports end-to-end fluid management solutions – including peristaltic pumps and aseptic fluid transfer solutions – that are reliable and customer-centric, helping bioprocessing manufacturers meet their research and production goals.

The VWR Traceable Logger-Trac Temperature Datalogger is perfect for monitoring material during storage, handling, and transportation.

VWR is proud of our years of experience providing choice and excellent service to the Industrial market from Food & Beverage, Petrochemical, Environmental Testing, Waste Water, Cosmetics, Consumer Goods, Agriculture and more...

Quanta Biosciences and VWR are proud to fund a grant award for publication of research involving qPCR methodologies utilizing any Quanta Bioscience qPCR reagent in JoVE.