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  • Neural computational prediction of oral drug absorption based on CODES 2D descriptors.

Neural computational prediction of oral drug absorption based on CODES 2D descriptors.

European journal of medicinal chemistry (2009-12-22)
A Guerra, N E Campillo, J A Páez
ABSTRACT

A neural model based on a numerical molecular representation using CODES program to predict oral absorption of any structure is described. This model predicts both high and low-absorbed compounds with a global accuracy level of 74%. CODES/ANN methodology shows promising utilities not only as a conventional in silico tool in high-throughput screening or improvement of absorption capabilities procedures but also the improvement of in vitro-in vivo correlation could be addressed.

MATERIALS
Product Number
Brand
Product Description

Supelco
Glycine, analytical standard, for nitrogen determination according to Kjeldahl method
Supelco
Chloroform solution, suitable for NMR (reference standard), 20% in acetone-d6 (99.9 atom % D), NMR tube size 5 mm × 8 in.
Supelco
Chloroform solution, suitable for NMR (reference standard), 1% in acetone-d6 (99.9 atom % D)
Sigma-Aldrich
Saccharin, ≥98%
Supelco
Chloroform solution, certified reference material, 5000 μg/mL in methanol
Supelco
Nicotinic acid, analytical standard
Sigma-Aldrich
Salicylic acid, ACS reagent, ≥99.0%
Sigma-Aldrich
Saccharin, ≥99%
Sigma-Aldrich
Chloroform, anhydrous, ≥99%, contains 0.5-1.0% ethanol as stabilizer
Supelco
L-Ascorbic acid, analytical standard
Supelco
Chloroform solution, suitable for NMR (reference standard), 1% in acetone-d6 (99.9 atom % D), NMR tube size 3 mm × 8 in.
Sigma-Aldrich
Salicylic acid, ≥99%, FG
Sigma-Aldrich
L-Ascorbic acid, FCC, FG
Sigma-Aldrich
Chloroform, anhydrous, contains amylenes as stabilizer, ≥99%
Supelco
D-Mannitol, ≥99.9999% (metals basis), for boron determination
Supelco
Salicylic acid, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Sigma-Aldrich
Glycine, BioUltra, Molecular Biology, ≥99.0% (NT)
Sigma-Aldrich
L-Ascorbic acid, BioUltra, ≥99.5% (RT)
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L-Ascorbic acid, tested according to Ph. Eur.
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4-Acetamidophenol, 98%
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Glycine, ACS reagent, ≥98.5%
Supelco
Chloroform, analytical standard
Sigma-Aldrich
Nicotinic acid, ≥99.5% (HPLC)
Sigma-Aldrich
L-Ascorbic acid, puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)
SAFC
Glycine
Sigma-Aldrich
Salicylic acid, ReagentPlus®, ≥99%
Sigma-Aldrich
Trimethoprim, ≥99.0% (HPLC)
Sigma-Aldrich
D-Mannitol, BioUltra, ≥99.0% (sum of enantiomers, HPLC)
Sigma-Aldrich
Glycine, puriss. p.a., reag. Ph. Eur., buffer substance, 99.7-101% (calc. to the dried substance)
Sigma-Aldrich
Salicylic acid, puriss. p.a., ≥99.0% (T)