Nicolaas Schipper

3.1k total citations · 1 hit paper
30 papers, 2.3k citations indexed

About

Nicolaas Schipper is a scholar working on Pharmaceutical Science, Molecular Biology and Nutrition and Dietetics. According to data from OpenAlex, Nicolaas Schipper has authored 30 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Pharmaceutical Science, 13 papers in Molecular Biology and 7 papers in Nutrition and Dietetics. Recurrent topics in Nicolaas Schipper's work include Advanced Drug Delivery Systems (15 papers), Biochemical Analysis and Sensing Techniques (6 papers) and Drug Solubulity and Delivery Systems (5 papers). Nicolaas Schipper is often cited by papers focused on Advanced Drug Delivery Systems (15 papers), Biochemical Analysis and Sensing Techniques (6 papers) and Drug Solubulity and Delivery Systems (5 papers). Nicolaas Schipper collaborates with scholars based in Sweden, Netherlands and Iceland. Nicolaas Schipper's co-authors include Per Artursson, Kjell M. Vårum, F.W.H.M. Merkus, J. Coos Verhoef, J. Coos Verhoef, Stefan Romeijn, E. Marttin, Janet Hoogstraate, Patric Stenberg and Hans Lennernäs and has published in prestigious journals such as Advanced Drug Delivery Reviews, Journal of Controlled Release and Journal of Medicinal Chemistry.

In The Last Decade

Nicolaas Schipper

29 papers receiving 2.2k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Chitosans as Absorption Enhancers for Poorly Absorbable Drugs 2: Mechanism of Absorption Enhancement

1997 478 citations Nicolaas Schipper, Janet Hoogstraate et al. Pharmaceutical Research profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Nicolaas Schipper Sweden	20	1.6k	724	372	283	176	30	2.3k
Stefan Romeijn Netherlands	37	1.8k 1.1×	1.3k 1.7×	401 1.1×	275 1.0×	167 0.9×	67	3.4k
Kazuhiro Morimoto Japan	32	1.4k 0.9×	996 1.4×	550 1.5×	683 2.4×	181 1.0×	132	3.3k
Hidemasa Katsumi Japan	35	1.4k 0.9×	957 1.3×	335 0.9×	235 0.8×	135 0.8×	116	3.1k
Jelena Filipović‐Grčić Croatia	35	1.7k 1.0×	584 0.8×	568 1.5×	177 0.6×	287 1.6×	83	2.9k
Gehanne A.S. Awad Egypt	26	1.3k 0.8×	601 0.8×	558 1.5×	228 0.8×	167 0.9×	63	2.4k
Jin‐Ki Kim South Korea	32	1.1k 0.7×	978 1.4×	549 1.5×	137 0.5×	222 1.3×	82	2.9k
Ana Beloqui Belgium	29	1.5k 0.9×	1.0k 1.4×	599 1.6×	140 0.5×	147 0.8×	58	3.0k
Dolores Torres Spain	29	1.6k 1.0×	1.0k 1.4×	876 2.4×	177 0.6×	229 1.3×	62	2.9k
Maureen D. Donovan United States	23	725 0.4×	409 0.6×	122 0.3×	274 1.0×	101 0.6×	55	1.7k
Hajime Toguchi Japan	26	1.4k 0.8×	688 1.0×	633 1.7×	128 0.5×	145 0.8×	61	2.6k

Countries citing papers authored by Nicolaas Schipper

Since Specialization

Citations

This map shows the geographic impact of Nicolaas Schipper's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Nicolaas Schipper with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Nicolaas Schipper more than expected).

Fields of papers citing papers by Nicolaas Schipper

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicolaas Schipper. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Nicolaas Schipper. The network helps show where Nicolaas Schipper may publish in the future.

Co-authorship network of co-authors of Nicolaas Schipper

This figure shows the co-authorship network connecting the top 25 collaborators of Nicolaas Schipper. A scholar is included among the top collaborators of Nicolaas Schipper based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Nicolaas Schipper. Nicolaas Schipper is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sadeghi, Amir, Elisa Toropainen, Nicolaas Schipper, et al.. (2025). Drug release and pharmacokinetics of intravitreal liposomal injections: a case study with cyclic guanosine monophosphate derivative. European Journal of Pharmaceutical Sciences. 214. 107291–107291.

Huang, Li, et al.. (2024). New Improved cGMP Analogues to Target Rod Photoreceptor Degeneration. Journal of Medicinal Chemistry. 67(10). 8396–8405. 1 indexed citations

Chen, Yiyi, et al.. (2023). Pyruvate-conjugation of PEGylated liposomes for targeted drug delivery to retinal photoreceptors. Biomedicine & Pharmacotherapy. 163. 114717–114717. 7 indexed citations

Huang, Li, et al.. (2021). Efficient Delivery of Hydrophilic Small Molecules to Retinal Cell Lines Using Gel Core-Containing Solid Lipid Nanoparticles. Pharmaceutics. 14(1). 74–74. 7 indexed citations

Gedda, Lars, et al.. (2021). Formulation development and upscaling of lipid nanocapsules as a drug delivery system for a novel cyclic GMP analogue intended for retinal drug delivery. International Journal of Pharmaceutics. 602. 120640–120640. 22 indexed citations

Schipper, Nicolaas, et al.. (2021). Preparative Synthesis of an R_P-Guanosine-3′,5′-Cyclic Phosphorothioate Analogue, a Drug Candidate for the Treatment of Retinal Degenerations. Organic Process Research & Development. 25(11). 2453–2460. 6 indexed citations

Loftsson, Þorsteinn, Hákon Hrafn Sigurðsson, Már Másson, & Nicolaas Schipper. (2004). Preparation of solid drug/cyclodextrin complexes of acidic and basic drugs.. PubMed. 59(1). 25–9. 41 indexed citations

Schipper, Nicolaas, et al.. (2001). In Vitro Intestinal Permeability of Factor Xa Inhibitors: Influence of Chemical Structure on Passive Transport and Susceptibility to Efflux. Pharmaceutical Research. 18(12). 1735–1741. 12 indexed citations

Garberg, Per, Peder Eriksson, Nicolaas Schipper, & Brita Sjöström. (1999). Automated Absorption Assessment Using Caco-2 Cells Cultured on Both Sides of Polycarbonate Membranes. Pharmaceutical Research. 16(3). 441–445. 20 indexed citations

10.

Schipper, Nicolaas, Kjell M. Vårum, Patric Stenberg, et al.. (1999). Chitosans as absorption enhancers of poorly absorbable drugs. European Journal of Pharmaceutical Sciences. 8(4). 335–343. 233 indexed citations

11.

Lindmark, Tuulikki, Nicolaas Schipper, Lucia Lazorova, A.G. de Boer, & Per Artursson. (1998). Absorption Enhancement in Intestinal Epithelial Caco-2 Monolayers by Sodium Caprate: Assessment of Molecular Weight Dependence and Demonstration of Transport Routes. Journal of drug targeting. 5(3). 215–223. 64 indexed citations

12.

Schipper, Nicolaas, et al.. (1997). Chitosans as Absorption Enhancers for Poorly Absorbable Drugs 2: Mechanism of Absorption Enhancement. Pharmaceutical Research. 14(7). 923–929. 478 indexed citations breakdown →

13.

Schipper, Nicolaas, Kjell M. Vårum, & Per Artursson. (1996). Chitosans as Absorption Enhancers for Poorly Absorbable Drugs. 1: Influence of Molecular Weight and Degree of Acetylation on Drug Transport Across Human Intestinal Epithelial (Caco-2) Cells. Pharmaceutical Research. 13(11). 1686–1692. 311 indexed citations

14.

Schipper, Nicolaas, J. Coos Verhoef, Stefan Romeijn, & F.W.H.M. Merkus. (1995). Methylated ?-cyclodextrins are able to improve the nasal absorption of salmon calcitonin. Calcified Tissue International. 56(4). 280–282. 38 indexed citations

15.

Schipper, Nicolaas, et al.. (1994). Hypocalcemic effect of salmon calcitonin following single and repeated nasal and intravenous administration in young rabbits. Calcified Tissue International. 54(1). 50–55. 13 indexed citations

16.

Schipper, Nicolaas, J. Coos Verhoef, Larissa M. de Lannoy, et al.. (1993). Nasal administration of an ACTH(4–9) peptide analogue with dimethyl‐β‐cyclodextrin as an absorption enhancer: pharmacokinetics and dynamics. British Journal of Pharmacology. 110(4). 1335–1340. 26 indexed citations

17.

Schipper, Nicolaas, Stefan Romeijn, J. Coos Verhoef, & F.W.H.M. Merkus. (1993). Nasal Insulin Delivery with Dimethyl-β-Cyclodextrin as an Absorption Enhancer in Rabbits: Powder More Effective than Liquid Formulations. Pharmaceutical Research. 10(5). 682–686. 78 indexed citations

18.

Merkus, F.W.H.M., J. Coos Verhoef, Stefan Romeijn, & Nicolaas Schipper. (1991). Absorption Enhancing Effect of Cyclodextrins on Intranasally Administered Insulin in Rats. Pharmaceutical Research. 8(5). 588–592. 124 indexed citations

19.

Schipper, Nicolaas, et al.. (1991). The Nasal Mucociliary Clearance: Relevance to Nasal Drug Delivery. Pharmaceutical Research. 8(7). 807–814. 165 indexed citations

20.

Schipper, Nicolaas, et al.. (1990). Nasal absorption of 17-beta-estradiol and progesterone from a dimethyl-cyclodextrin inclusion formulation in rats. International Journal of Pharmaceutics. 64(1). 61–66. 47 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact