Publications associées à Substance active (médicament)

Improved microfluidic transcriptome based screening methods

Christoph Merten, Xiaoli Ma, Leonie Kolmar, Hongxing Hu

The invention provides microfluidic screening systems for the identification of compounds or compositions influencing cellular transcriptomes. The invention is predicated upon taking into account differences in newly synthesized mRNA in contrast to so call ...

2024

From Surfactants to Viscoelastic Capsules

Esther Amstad, Gaia De Angelis, Natascha Ilena Gray

Micrometer sized capsules are often used as single entities for the encapsulation and release of active ingredients, for example in food, cosmetics, and drug delivery. Important parameters that determine the stability of capsules and the release of reagent ...

WILEY2023

Repurposed drug combination via high-throughput screening and dual drug delivery system development for the treatment of retinoblastoma

Po-Jen Tseng

The goal of retinoblastoma (RB) treatment is to save the child's life, eyes and functional vision, with that order of priority. The management of RB is complex and involves strategically chosen methods of surgical enucleation, external beam radiotherapy, i ...

EPFL2022

Direct encapsulation of biomolecules in semi-permeable microcapsules produced with double-emulsions

Sebastian Maerkl, Grégoire Michielin

Compartmentalization can serve different purposes such as the protection of biological active substances from the environment, or the creation of a unique combination of biomolecules for diagnostic, therapeutic, or other bioengineering applications. We pre ...

Nature Portfolio2022

Electrochemical determination of nicotine in smokers' sweat

Sandro Carrara, Tugba Kilic

In this work, we report the demonstration of the capability of electrochemical sensors to provide measurements directly on the sweat of volunteers to successfully discriminate heavy smokers by light ones. Since its importance as pharmaceutical treatment-ag ...

ELSEVIER2020

Design, Synthesis and in vitro Controlled Release of New Adamantanodiarylketone Antimycobacterials

Stewart Cole, Anthony Vocat

In the present investigation, the synthesis, the biology and the development of matrix tablet formulations for the in vitro controlled release of new adamantane diarylketone antimycobacterial derivatives, is presented. In the skeleton of the new compounds, ...

WILEY-V C H VERLAG GMBH2019

Bioinspired Viscoelastic Capsules: Delivery Vehicles and Beyond

Esther Amstad, Gianluca Nicolas Etienne, Irvine Lian Hao Ong

Microcapsules are often used as individually dispersed carriers of active ingredients to prolong their shelf life or to protect premature reactions with substances contained in the surrounding. This study goes beyond this application and employs microcapsu ...

Wiley2019

Mechano-responsive microcapsules with uniform thin shells

Esther Amstad, Antoine Claude Jean Vian

Capsules often prolong the shelf-life of active ingredients, such as many types of drugs, food additives, or cosmetic substances, because they delay oxidation of these substances or prevent their reactions with molecules contained in the surrounding. If ca ...

2019

Capsules with submicron shells: production, stability, and leakage behavior

Antoine Claude Jean Vian

Capsules are often employed to prolong the shelf-life of active ingredients such as many drugs, food additives, or cosmetic substances because they delay their oxidation or prevent interactions with molecules contained in the surrounding. If designed prope ...

EPFL2018

Microfluidic Production of Capsules-in-Capsules for Programed Release of Multiple Ingredients

Esther Amstad

Capsules with thin shells have a high‐loading capacity and are thus well‐suited containers for reagents that must be stored in confined volumes. Capsules contained in larger capsules, so‐called double capsules, allow the encapsulation of distinct reagents ...

Wiley2018

Microfluidics: A Tool to Control the Size and Composition of Particles

Esther Amstad

Particles and capsules are used as containers for active ingredients to delay their degradation and control the location and kinetics of their release. Key to a successful application of these containers is a good control over their size, composition, and ...

Swiss Chemical Soc2017

4-Pyrimidinylamino-benzenesulfonamide derivatives and their use for the inhibition of polo-like kinase 1 (PLK1) for the treatment of cancer and their use for the treatment of bacterial infections

Stewart Cole, Ruben Hartkoorn, Edina Rita Székely

The present invention relates to 4-pyrimidinylamino-benzenesulfonamide derivatives of general formula (I) and pharmaceutically acceptable salts, solvates, hydrates, regioisomeric and polymorphic forms thereof, processes for manufacturing of them, the use o ...

2015

Life Cycle Analysis within Pharmaceutical Process Optimization and Intensification: Case Study of Active Pharmaceutical Ingredient Production

Lioubov Kiwi, Charline Berguerand

As the demand for new drugs is rising, the pharmaceutical industry faces the quest of shortening development time, and thus, reducing the time to market. Environmental aspects typically still play a minor role within the early phase of process development. ...

Wiley-VCH Verlag Berlin2014

Towards a new combination therapy for tuberculosis with next generation benzothiazinones

Paul Joseph Dyson, Stewart Cole, Florence Pojer, Ruben Hartkoorn, Ming Zhang, Joao Pedro De Almeida Neres, Anthony Vocat, Benoit Lechartier, Thierry Buclin

The benzothiazinone lead compound, BTZ043, kills Mycobacterium tuberculosis by inhibiting the essential flavo-enzyme DprE1, decaprenylphosphoryl-beta-D-ribose 2-epimerase. Here, we synthesized a new series of piperazine-containing benzothiazinones (PBTZ) a ...

2014

Like a Bolt from the Blue: Phthalocyanines in Biomedical Optics

Hubert van den Bergh

The purpose of this review is to compile preclinical and clinical results on phthalocyanines (Pcs) as photosensitizers (PS) for Photodynamic Therapy (PDT) and contrast agents for fluorescence imaging. Indeed, Pcs are excellent candidates in these fields du ...

Molecular Diversity Preservation International2012

Identification and characterization of novel classes of macrophage migration inhibitory factor (MIF) inhibitors with distinct mechanisms of action

Hilal Lashuel, Bruno Claude Daniel Fauvet, Magdalena Zweckstetter, Hajer Ouertatani-Sakouhi, Farah El Turk, Min Kyu Cho

Macrophage migration inhibitory factor (MIF), a proinflammatory cytokine, is considered an attractive therapeutic target in multiple inflammatory and autoimmune disorders. In addition to its known biologic activities, MIF can also function as a tautomerase ...

American Society for Biochemistry and Molecular Biology2010

Cyclosporin analogues : potential HIV inhibitors and water-soluble prodrug systems

Arnaud Hamel

Cyclosporins are a family of hydrophobic cyclic undecapeptides produced by the fungus Tolypocladium niveum. The main metabolite cyclosporin A (CsA, see Scheme, R = R' = H) is the first line drug currently used to prevent rejection of organ transplants. Its ...

EPFL2005