Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page


My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2003 1
2005 1
2006 1
2019 1
2021 1
2022 1
2023 0

Text availability

Article attribute

Article type

Publication date

Search Results

6 results

Results by year

Filters applied: . Clear all
Page 1
Prodrugs of purine and pyrimidine analogues for the intestinal di/tri-peptide transporter PepT1: affinity for hPepT1 in Caco-2 cells, drug release in aqueous media and in vitro metabolism.
Thomsen AE, Friedrichsen GM, Sørensen AH, Andersen R, Nielsen CU, Brodin B, Begtrup M, Frokjaer S, Steffansen B. Thomsen AE, et al. Among authors: sorensen ah. J Control Release. 2003 Jan 17;86(2-3):279-92. doi: 10.1016/s0168-3659(02)00413-3. J Control Release. 2003. PMID: 12526824