Av
| 
Tiden går i taket
God upplösning i röntgenbilden kräver en liten röntgenpunkt. Så fort man vill ha en mindre röntgenpunkt, i storlekar under 5 mikrometer, börjar exponeringstiderna gå i taket, på grund av effektbegränsningen. Konventionella mikrofokusrör har en effekt på några enstaka watt, medan Excillum kan erbjuda god upplösning med rimliga exponeringstider.
En röntgenkälla med hög ljusstyrka kan användas på två sätt: antingen kan man ha samma storlek på punkten som man hade tidigare, men få mycket mera flöde och därigenom sänka exponeringstiden, eller så kan man välja att bibehålla den effekt man hade tidigare med ett konventionellt röntgenrör, men få en betydligt mindre punkt och därmed få högre upplösning.
– Det blir praktiskt omöjligt att genomföra vissa experiment om de tar för lång tid. Vi kan minska exponeringstiden till en tiondel, från kanske 20 timmar till två. Vår elektronstråle tillhör dessutom en av de vackrare. Den har inte så mycket sidostrålning, och det ger en vacker röntgenpunkt. Det betyder högre kontrast i bilderna, utöver den snabba exponeringen. Excillums utrustning tillåter dessutom en viss variation. En dag vill man kanske ha en punkt på 10 mikrometer, nästa dag en på 5 mikrometer. Det kan man välja i utrustningen, säger Oscar Hemberg.
Aldrig hos tandläkaren
När vi ber honom vara mer konkret angående användningsområden svarar han först med ett bakvänt exempel:
– Det finns många tillämpningar då vår produkt inte behövs. Vi kommer aldrig att hamna hos en tandläkare. En tandläkarröntgen är bra nog för sitt ändamål. Man ser hålen och det går fort att ta en bild.
– Men sedan finns det motsatsen. Vill man i dag ta en riktigt högupplöst tredimensionell datortomografisk bild av något väldigt litet, till exempel en halvledare, små djur inkapslade i bärnsten, nanokompositer i bränslecellsforskningen eller ett implantat, så kan det ta upp till 12 timmar att ta en enda 3d-bild. Det är inte svårt att förstå varför kunderna vill få ned tiden till 1,2 timmar, säger Oscar Hemberg.
Metoden kallas mikro-ct och går ut på att man fäster ett mikroskopiskt objekt på en roterande plattform och flyttar objektet i röntgenstrålen tills det bestrålats från alla håll. På sin väg genom objektet absorberas röntgentrålen på olika sätt beroende från vilket håll den passerar, eftersom objektet ofta är oregelbundet inuti. Efter ett varv kan man matematiskt rekonstruera en skiva av objektet.
Sida 3 / 5
"Our reliability, customer service, global network and integrated technology make World Courier service truly "A service no one else can deliver"." 
"Novel products for CVD treatment and prevention." 
"We are making it more attractive for companies to invest in innovation with reduced corporation tax on profits from patents to 10%." 
"To supply Swedish and Danish laboratories with laboratory equipment and furniture of highest quality and offer service on all delivered products." 
"We promise to go the extra mile every day to ensure you receive the highest level of service and value with each shipment you entrust to us." 
"Your work is important to us, we are committed to your success.
Innovative tools? Please download the Promega app." 
"Our aim is to be the best drug development partner to the biotechnology and pharmaceutical industry no matter where you are based." 
"To be acknowledged as the Best-in-Class provider of pharmaceutical development and manufacturing services by customers, employees & other stakeholders" 
"TFS is today the leading European development partner for biopharmaceutical companies in their global clinical development process." 
"PCG - a professional full service CRO for your clinical trials.
Powered by Viedoc, globally trusted eCRF, keeping trials within budget and timelines" 
"The PolyPeptide Group is a world class manufacturer of peptide active pharmaceutical ingredients." 
"To become an internationally leading dental company with innovative, proprietary products of high therapeutic and commercial value." 
"Best in class companies see the value of optimising their business by having an effective strategy for information management and documentation." 
"With our first class products and our committed and skilled colleagues we guarantee our customers the best support in the market, at no extra charge." 
"Discover your possibilities in one of Europe´s most productive life science regions. Welcome to Stockholm-Uppsala."
" 
"Together with Zacco our clients achieve their business goals through the management of their intellectual property." 
"VWR is a global laboratory distributor of chemicals, life science products, consumables, equipment, instruments, furniture, e-commerce and services" 
"As a full service CRO with offices in all Nordic countries we can provide our customer with professional support throughout the clinical research." 
"We aim to be the pioneering benchmark in user-friendly software experience in combination with the highest level of quality." 
"Medivir is a specialty pharmaceutical company with unique positioning on the Nordic market and our goal is become a profitable company in high growth" 
"We help our clients create significant business value through scientific expertise." 
"Dilafor is developing new products in the field of obstetrics, to provide an effective solution to the challenge of dystocia or protracted labor"
" 
"We have a unique technological platform, built around 5HT-receptor antagonism, for the treatment of inflammation and pain"." 
"Innovation takes place when biology meets engineering; ICT is an enabler to solve the needs for increased functionality and reduced cost in Life Science" 
"We are recognized as a flexible partner with short decision and lead times plus a proven record for the highest quality and cost efficiency." 
"To be the most attractive node and business platform in the Nordic countries for new and innovative Life Science companies" 
"Allenex is a life science company that develops, manufactures, markets and sells high quality products for the transplantation market." 
"Uppsala BIO is a life science pathfinder. We build ways to make life science flourish, in cooperation with industry, academia, society and healthcare." 
"Anton Paar is a product and service leader in the field of scientific instruments. We deliver uncompromised quality in everything we do." 
"Our goal is to invest in innovations and develop new unique pharmaceuticals" 
"Mercodia has been a supplier of reliable assays since 1991" 
"Our services in ligand-based and structure-based drug design is a cost-efficient alternative for smaller pharmaceutical companies" 
"We are entirely devoted to luminescence technology." 
"Our products enable an increased number of transplants leading to substantial cost savings for society and increased quality of life for patients." 
"APL provides high-quality services to Life Science. We are a Dedicated Partner from Discovery to Market." 
"Your global partner of pharmaceutical service and cGMP manufacturing" 
"To develop innovative and effective pharmaceuticals within autoimmune/ inflammatory diseases and cancer where major medical need exists" 
"We turn medical research into applications for better health and well-being." 
"To adapt Competent Authorities´ requirements into opportunities is not just an artform - today it´s a business necessity." 
"We offer effective staffing solutions provided by specialists, we understand a company’s specific needs and we know where to find the best talent." 
"Our organisation value is to contribute to positioning Scandinavian healthcare and research in absolute world class." 
"Our vision is to become one of the top 10 global providers of scientific instruments; we will get there by striving for market leadership in our respective product and application niches."
" 
