Search results for: 'resist'

  • GGFG Motif for ADC Construction
    To address both chemical and IP considerations in self-immolating linker applications , we propose shifting from the commonly used Val-Cit-PAB linker to the less explored Gly-Gly-Phe-Gly-formyl motif.
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  • Bifunctional TentaGel® Resins
    Encode beads with unique tags for combinatorial syntheses & screening. Build libraries & identify hits. Discover properties and applications of our novel bifunctional TentaGel® resins.
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  • Boc versus Fmoc for Solid Phase Peptide Synthesis
    Wondering about the difference between Boc and Fmoc chemistry in solid phase peptide synthesis? Don't worry: in this short overview we will guide you through the basics of both strategies.
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  • Linkerology® for Targeted Delivery and Release
    Use the possibilities of Linkerology® to boost the efficacy of your drug! We illustrate how the drug Gepirone (Exxua TM ), a medication to treat major depressive disorders, can be conjugated.
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  • PotM: Oligomeric Sarcosine Building Blocks
    You are looking for monodisperse Sarcosines ? You want to use Sarcosine for SPPS? You need to improve your drug's hydrophilicity and search for PEG alternatives? Read on!
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  • Linkerology® - An Example of Advanced Conjugation
    The targeted delivery and traceless release of drugs is an important concept in pharmacology. Discover the possibilities of payload conjugation to carrier proteins shown for the example drug Elacestrant.
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  • PotM: Blockbuster Building Blocks
    Are you keen on developing novel billion-dollar-selling peptide API blockbusters? Most recent ones use lipophilic Albumin binding moieties. Of course, Iris Biotech has the necessary building blocks!
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  • A Tetrazole-Substituted Lysine as PTM Isostere
    The tetrazole isostere of malonyllysine is thermally stable and does not suffer from decarboxylation. Discover our building blocks suitable for incorporation via solid-phase peptide synthesis.
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  • Combination Therapy & Linkerology®
    Discover possibilities to fight chronic pain diseases by employing linker technologies. Check out the options for multiple drug conjugation in combination with different release mechanisms.
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  • Linkerology® on Metal & Ore Surfaces
    A heart of gold! Metals and ores - see here how their surfaces can be equipped with bifunctional organic linker molecules and thus be turned into modifiable biocompatible materials.
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  • PotM: TCEP as Versatile Reducing Agent
    TCEP is an effective reductant for disulfide bonds and a versatile reagent for various applications in protein science with distinct advantages compared to DTT and BME.
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  • Non-canonical Tryptophan Derivatives
    Non-canonical Tryptophan analogs can help to improve your API’s performance in terms of potency, specificity, and stability. We offer various substituted Trp derivatives also available in small quantities for screening.
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  • Resins for Solid Phase Peptide Synthesis (Part 2)
    You want to get an overview about the various resins available at Iris Biotech as well as their specifications, differences, and applications? Read on for further information and details.
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  • Sarcosine Building Blocks
    Interested in the introduction of Sarcosine (N-methylglycine), e.g. for hydrophilicity increase of your derivative of choice or for PEG replacement? Check-out our available Sarcosine building blocks!
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  • Building Blocks for the Introduction of Hydroxylamine
    Herein, we present building blocks for the synthesis of protected hydroxylamine derivatives which can be further used for bio-conjugation and various other applications. Read on to find out more!
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  • Protease Stable Ile/Leu Surrogates
    Herein we are presenting 2-(Fmoc-amino)-3,3-diMe-pent-4-enoic acid (FAA5040), a protease stable Ile/Leu surrogate suitable for further modification via its side chain double bond.
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  • PotM: Functionalized Biotinylation Reagents
    Iris Biotech offers a variety of (functionalized) biotin and desthiobiotin reagents reactive towards certain functional groups. Discover our growing portfolio and latest additions.
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  • PotM: Pyridyldithiols as Precursors for Disulfide-Based (Self-Immolative) Linkers
    Read on to find out more about Iris Biotech’s Linkerology® portfolio including substituted pyridyldithiols as building blocks for the reversible chemical conjugation to sulfhydryls.
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  • Fighting SARS-CoV-2
    Fighting COVID-19 by modifying essential viral proteins via glycation through methylglyoxal – a reactive carbonyl compound known from the Maillard reaction. Read on to find out more!
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  • Betulins – Potent Natural Products
    Betulin and its derivatives are pentacyclic triterpenoids of the lupane-type. They are natural products that occur as secondary metabolites in over 200 different plants. Betulinic acid (BA) is a derivative of betulin that is oxidized at C-28.
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  • A Cyclo-RGD Peptide for the Preparation of Tumor Mimics
    The 2D monolayer cell culture model is widely applied for drug screening. However, this approach is frequently not able to adequately mimic the in vivo response.
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  • beta,beta-Dimethyl Amino Acids
    The use of bioactive peptides has increased over the recent years as they attracted attention for their use as therapeutic agents.
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  • Poly(L-Glutamic Acid)
    Poly-(α-L-glutamic acid) is a synthetic polypeptide of L-Glu linked by the alpha-amino groups (α-PGA). These polyanionic and biodegradable polymers can be used for a variety of purposes.
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  • α-Methyl and β,β-dimethyl amino acids
    α-Methyl and alkyl-amino acids can be produced by a number of platforms, where the (2S,4S)-4-methyl-2-phenyloxazolidin-5-one scaffold is one of the most popular one.
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  • Trifluoromethylated and other Fluoro-amino acids
    The incorporation of trifluoromethyl group carrying building blocks into peptides results in increased chemical and thermal stability, increased resistance to degradation by proteases, and enhanced lipophilicity.
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  • Lipoamide-PEGs Confer Extra Strong Binding
    Nanotechnology and nanobiotechnology using gold or silver particles, quantum dots or even magnetic particles are broadly diverse, rapidly expanding areas of study in medical diagnostics and therapeutics, sensoric and chemistry.
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  • RICT 2015 - 51st International Conference on Medicinal Chemistry
    July 1st - 3rd, 2015 Université d’Avignon et des Pays de Vaucluse Avignon, France RICT 2015 - the 51st edition of the International Conference on Medicinal Chemistry - is expected to gather 550-600 scientists from around the world, with a majority of scientists coming from Europe. The scientific programme, which will include over 25 plenary lectures by internationally well-known scientists, will focus on " Drug Discovery and Selection - Understanding Targets and Mechanisms ", coverin...
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  • Amino Aldehydes
    Aldehydes are between alcohols and carboxylic acids with respect to their oxidation level and show specific reactivity. Therefore they are highly interesting building blocks and intermediates for a large number of very interesting classes of reactions and compounds such as Wittig reaction, formation of secondary alcohols, heterocycles and semiaminals to name only a few.
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  • Structural Element: Aminoisobutyric Acid and Homologues
    Aminoisobutyric acid (Aib) and its homologues are a strong helix promoters in peptide mimetics. Aib-containing model peptides are already used in cancer treatment, antimicrobial peptides and cell penetrating peptides (CPP). We offer Aib and its homologues positioning the dimethyl fragment either close to the N- or to the C-terminus.
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  • Boulder Peptide Symposium 2014
    September 22nd - 24th, 2014 St. Julien Hotel & Spa Boulder, CO USA ABOUT THE BOULDER PEPTIDE SYMPOSIUM The Boulder Peptide Symposium seeks to bring together key decision leaders from both industry and academia to discuss the future of peptide therapeutics. Peptide therapeutics are potent and highly selective yet their development into effective treatments can be challenged by limited delivery routes, product stability, manufacturing challenges and an evolving regulatory landscape. BPS is the ke...
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  • Custom Synthesis of Alkyne Amino Acids Analogues for Click Conjugation
    1,4-substituted 1,2,3-triazole are isosteric to peptide bonds and result in peptide mimetics which even retain activity e.g. in case of certain tyrosinease inhibitors. We offer custom synthesis of Alkyne Amino Acid Analogues as building blocks for triazol formation via Click conjugation. Side chains can represent all natural amino acids or unusual residues. In combination with our alpha-azido acids we can offer the whole range of building blocks to design Click-peptide bond analogues for every proteinoge...
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