Check out our Customer Highlight featuring Nimble Therapeutics's VP of Therapeutic Discovery, Lauren Goodrich-Berto: "Rapid access to diverse chemical space is critical for identifying peptide hits and transforming them into clinical candidates. One of the most successful strategies in peptide discovery is the incorporation of noncanonical amino acids. However, access to noncanonical amino acids has been extremely costly, even with significantly restricted chemical space. This is especially true for building blocks in the D-configuration. Aralez Bio has unlocked a vast toolbox of noncanonical amino acids, enhancing Nimble’s platform and allowing us to tune peptides in ways that were not previously feasible. Our scientists are excited to access new amino acid space for the discovery and optimization of peptide ligands. The icing on the cake is that the enzymatic process is significantly greener than “traditional” amino acid synthesis. We look forward to seeing what additional noncanonical amino acids Aralez Bio can unlock in the future." To see what's available now & coming in the future, email us at info@aralezbio.com #noncanonical #ncAA #aralezbio #customerhighlight #peptide #greenchemistry #sustainability
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Intavis Research Roundup What are the main types of cell-penetrating peptides (CPPs) based on their chemical and structural properties? (1/3) The main types of cell-penetrating peptides (CPPs) based on their chemical and structural properties are cationic, anionic, amphipathic, and hydrophobic peptides. Cationic CPPs are mainly composed of basic amino acids such as arginine and lysine, while amphipathic CPPs have a structured arrangement of polar and nonpolar amino acids. Hydrophobic CPPs are typically composed of nonpolar amino acids and interact with the hydrophobic region of the cellular membrane. Anionic CPPs, which are negatively charged, are also mentioned in the document, but they are not explicitly described as a distinct category based on their chemical and structural properties. But how are they taken up into the cell? Stay tuned for the answer in our next Intavis Peptide Services Research Roundup. Reference of paper: Nam, S. H., Park, J., & Koo, H. (2023). Recent advances in selective and targeted drug/gene delivery systems using cell-penetrating peptides. Archives of Pharmacal Research, 46(1), 18-34. #peptides #peptidesynthesis #Cellpenetratingpeptides #Drugdelivery
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Improved Clearance of Host Cell Protein Impurities at the Polishing Purification Step Using Multimodal Chromatography In this paper, we studied a novel therapeutic protein molecule which had a high level of HCP co-purification throughout the downstream process. Here, we focused on the polishing purification step and developed an effective strategy for improving HCP clearance using multimodal chromatography (MMC) resin, Nuvia cPrime. A high throughput process development (HTPD) workflow was used to identify the resin and process conditions which could enable significant HCP clearance while maintaining acceptable product quality and process performance. This strategy was highly effective and enabled 80% reduction in total HCP content, including some problematic and difficult to remove candidates such as Peroxiredoxin-1, Serine protease HTRA1, Clusterin and Lipoprotein lipase. https://lnkd.in/gSVJGcvw #aspenalert #biotech #bioprocess
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Dynamic light scattering (DLS) is an effective technique for investigating the hydrodynamic particle size of peptides or proteins under various solution conditions. 💡 It offers insights into the self-association behavior of molecules in different pH and buffer environments. This understanding is crucial as molecular self-assembly can sometimes stabilize formulations 👍 but it can also lead to aggregation and precipitation 👎 . Understanding your molecule early on can significantly improve the likelihood of designing a stable formulation for human use. Get in touch with us if you want to learn more about our capabilities. 📧 ☎ #biotech #formulationdevelopment #peptide #protein
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Did you know Bioingenium, s.l. produce premium quality recombinant 🧬Streptolysin-O (SLO) as a fusion protein in E.coli? This antigen can be used for IVD antistreptolysin O (ASO) reagents for both research and diagnostics. 💉 This antigen is a single, non-glycosylated, polypeptide chain that contains 934 amino acids and has a molecular mass of 104kDa. Our #SLO is purified by proprietary chromatographic techniques. Are you ready to take your projects to the next level? 🚀 Choose our SLO, we've got the winning trio: 👉 High-Quality 👉 High Stability 👉 High Purity Dive into the technical details in the PDF and secure your supply today by contacting: 📧 info@bioingenium.net or 🌐 https://lnkd.in/eaudxbFK #Biotechnology # IVDantistreptolysinO #fusionprotein
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Director of Business Development | Providing Drug Discovery Solutions | Medicinal Chemistry, Biology, ADME/PK
Given the current excitement in peptides, in particular cyclic peptides, as therapeutic modalities Charnwood Discovery are happy to be sponsoring the SCI Fine Chemicals Group New Modalities: Innovations in Peptides meeting. Please come and chat to James Krupa and myself on how we support the synthesis and biological evaluation of peptides. You can find more information below especially how we supported a H2L project synthesising over 200 cyclic peptides consisting of bespoke amino acids (eg peptoids) based on our PurePep Chorus by Gyros Protein Technologies 👇 https://lnkd.in/eBAX8-_H #SCI_NewModalities #peptides #drugdiscovery
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If you are doing peptide mapping and want 100 percent coverage of tertiary or secondary protein structures, try using multiple digestion enzymes with different cleavage sites, make sure the pH is optimal for the enzymatic reaction without causing chemical changes of primary analyte structures, and higher temps over longer run times(50 degree celsius over shallow up to a half day long gradient) may lead to full coverage. Obviously you could switch up column size and fgroup, flow rates, gradient curve, mobile phases, acidic modifier etc., however these will all have significantly less impact than the pH and enzymes and temp/timing of the run. #separations #chemistry #method #development #scientist #variables #variability #coverage #peptidemapping #tertiarystructure #peptides #peptide #digestion #cocktailofenzymes
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Continuous improvements of the Biopredic's Silensomes. Silensomes are chemically one per one CYP inactivated human liver microsomes, used for the precise f(m) determination in the DDI context.
🔬 Clarify which CYP is responsible for your test compound: is it CYP3A4 or CYP3A5? 🌟 These two CYP enzymes, CYP3A4 and CYP3A5, are notoriously similar in both structure and substrate specificity. Determining which of the two enzymes is responsible for your test compound biotransformation can be challenging. Consider using our Silensomes 3A4, this is a liver mic whose CYP3A4 has been chemically silenced, without impacting CYP3A5: see our data with the OH-T5 as a CYP3A5 specific metabolite of the T5 substrate. #CYP3A5 #DMPK #Pharmacology #Biochemistry #ResearchTools #Starlight
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📢 Exciting News! 📢 I am thrilled to share that our latest review article entitled "Natural Peroxides from Plants: Historical Discovery, Biosynthesis, and Biological Activities" has been accepted for publication in Chemistry and Biodiversity Journal 🌿🧪 Our review delves into the fascinating world of naturally occurring peroxides, which have garnered significant interest from scientific research groups globally. These compounds are celebrated for their structural diversity, versatile biological activities, and potential pharmaceutical properties. Our work aims to provide a comprehensive resource for researchers in this multidisciplinary field, shedding light on the immense potential of natural peroxides in various biological and pharmaceutical applications. 📖 Read more in the full paper here: https://lnkd.in/d6wwjVjU https://lnkd.in/dmJbhBr4 Thank you to all my collaborators and supporters who made this possible! #NaturalProducts #Peroxides #PlantScience #PharmaceuticalResearch #Chemistry #Biodiversity #ScientificResearch #NewPublication
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Peptide modifications such as cyclisation result in an increased rigidity of the peptide backbone and can be a useful strategy when wanting to mimic a specific region of a protein. Here at Alta Bioscience Ltd, we have extensive experience of synthesising structurally constrained peptides including head to tail cyclic peptides, disulfide bridged peptides and stapled peptides. To find out more about our peptide synthesis services, please visit: https://lnkd.in/ez8xJ8Ew or contact our experts at info@altabioscience.com. #peptides #peptidesynthesis #cyclicpeptide #peptidemodification
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A really informative post about Wang resins #peptides #peptidesynthesis
In this new post, learn more about Wang resins and their key features for efficient peptide synthesis, plus discover the benefits of using already pre-loaded resins with amino acids. At Alta Bioscience Ltd, we supply high-quality peptide synthesis reagents worldwide. Explore our online shop to view our products: shop.altabioscience.com or email info@altabioscience.com for more information. #peptidesynthesis #peptides #chemistry #chemicalbiology #fmoc #aminoacids
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