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\title{Hi Reddit, we're Darla Henderson and Marshall Brennan of ACS
Publications. Ask us anything about preprint servers such as ChemRxiv!}



\author[1]{AmerChemSocietyAMA }%
\author[1]{r/Science AMAs}%
\affil[1]{Affiliation not available}%


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  \date{April 23, 2026}


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\begin{abstract}
ACS AMA Hi Reddit! Darla Henderson and Marshall Brennan here from ACS
Publications! We are responsible for ChemRxiv a preprint server for
chemistry launched in fully functioning beta form with strategic input
from the American Chemical Society (ACS), the Royal Society of Chemistry
(RSC), and the German Chemical Society (GDCh) as a community-led
project. ChemRxiv allows researchers to post their early manuscripts --
and all of the source data -- online ahead of submission to a journal in
order to facilitate discussion and feedback on the work prior to formal
publication. ChemRxiv is taking a ``data first'' approach to preprints,
and allows a wide (and growing!) array of different file types to be
viewed and interacted with right from the browser. In the past six
weeks, ChemRxiv has already helped to disseminate more than 82 preprint
manuscripts and revisions prior to peer review on every subject from
computational chemical theory to natural product synthesis. We believe
that preprints accelerate research, increase transparency, and level the
playing field for researchers across career stages and geography -- and
we're looking to continue developing ChemRxiv in a way that best meets
the community's needs and expectations of such a tool. Darla Henderson,
PhD: I am the Publisher and Asst. Director of Open Access in the Global
Journals Development team of ACS Publications. I am responsible for the
strategic and financial oversight of ACS' open access programs and
journals, and also co-conceived and oversaw the development of ChemRxiv.
I joined ACS in 2008, where initially I oversaw the general and
multidisciplinary chemistry journals portfolio, including JACS, and
launched new journals such as ACS Catalysis. This followed a stint in
book publishing at John Wiley \& Sons. I have a PhD in
organic/biological chemistry from Duke University. I previously
co-hosted an AUA on ``Open Access Chemistry'' in early 2016
https://redd.it/42r7xk Marshall Brennan, PhD: I am the Publishing
Manager at ChemRxiv; I oversee the day-to-day development and quality
control of ChemRxiv. I earned my PhD from the University of Illinois at
Urbana-Champaign before undertaking a postdoctoral fellowship at UT
Austin. I spent a year and a half as an editor for Nature Chemistry
before moving to the ACS to work on ChemRxiv. Ask us anything about
preprint servers! We'll be back at 1pm EDT (10am PDT, 5pm UTC) to start
answering your questions.%
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