User profiles for A. T. Csordas

Andrew Csordas

Principal Scientist, Amgen
Verified email at amgen.com
Cited by 1703

Advancements in aptamer discovery technologies

MR Gotrik, TA Feagin, AT Csordas… - Accounts of chemical …, 2016 - ACS Publications
… Clicking on the donut icon will load a page at altmetric.com with additional details about
the score and the social media presence for the given article. Find more information on the …

Quantitative selection of DNA aptamers through microfluidic selection and high-throughput sequencing

…, Y Xiao, J Nie, R Stewart, AT Csordas… - Proceedings of the …, 2010 - National Acad Sciences
at 95 C for 10 min, rapidly cooled to 0 C in an ice bath, and then incubated for another 10
min at … solution, we incubated the mixtures in the dark at room temperature for 2 h, after which …

Simultaneous elimination of carryover contamination and detection of DNA with uracil-DNA-glycosylase-supplemented loop-mediated isothermal amplification (UDG …

K Hsieh, PL Mage, AT Csordas, M Eisenstein… - Chemical …, 2014 - pubs.rsc.org
… Critically, the use of heat-labile UDG enables the UDG-LAMP assay to be performed in a
single closed vessel, because the enzyme is rapidly and automatically deactivated when the …

Rapid and label-free strategy to isolate aptamers for metal ions

H Qu, AT Csordas, J Wang, SS Oh, MS Eisenstein… - ACS …, 2016 - ACS Publications
… We then measured red reporter release at various concentrations of Hg 2+ to obtain the
IC 50 : the concentration at which the red fluorescence drops to half its maximum value. All …

[HTML][HTML] Seconds-resolved pharmacokinetic measurements of the chemotherapeutic irinotecan in situ in the living body

A Idili, N Arroyo-Currás, KL Ploense, AT Csordas… - Chemical …, 2019 - pubs.rsc.org
… Testing this with a single intravenous injection (20 mg kg −1 ) of irinotecan we find that the
signal observed at both 10 and 120 Hz respond to the drug, but these are also accompanied …

Selection of phage-displayed peptides on live adherent cells in microfluidic channels

…, Q Gong, SS Oh, AT Csordas… - Proceedings of the …, 2011 - National Acad Sciences
… Second, all of our selection steps were done at 4 C at which the cells’ response to stimuli
is greatly decreased (38–40). However, we recognize other cell types (eg, endothelial cells) …

Selection strategy to generate aptamer pairs that bind to distinct sites on protein targets

Q Gong, J Wang, KM Ahmad, AT Csordas… - Analytical …, 2012 - ACS Publications
… by adding 50 μL of protein solution (at 25 nM unless noted otherwise) and incubating at 4
C for 37 h. All subsequent steps were performed at room temperature. After incubation, we …

Click-particle display for base-modified aptamer discovery

…, D Wu, A Pusuluri, TA Feagin, AT Csordas… - ACS chemical …, 2019 - ACS Publications
… We opted for this approach because the alkyne side-chain at the 5-position of uracil
adopts an outward-pointing conformation in the major groove of the double helix, (26) which …

Shape-based separation of synthetic microparticles

PL Mage, AT Csordas, T Brown, D Klinger… - Nature materials, 2019 - nature.com
… 49 ), and the FSC collection angle is at most ±7 centred at 0 relative to the angle of incidence,
with a vertical bar blocking at least ±0.25 at the centre (based on the measured distances …

Measurement of aptamer–protein interactions with back-scattering interferometry

IR Olmsted, Y Xiao, M Cho, AT Csordas… - Analytical …, 2011 - ACS Publications
at 100 C for 10 min, rapidly cooled in an ice bath for 10 min, and finally allowed to reach
room temperature. We incubated 2 nM thrombin at 10 C overnight with aptamers prepared at a …