David Poyner Books

G Protein Coupled Receptors

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G-Protein Coupled Receptors (GPCRs) are not only the largest protein family in the human genome but are also the single biggest target for therapeutic agents. Research into GPCRs is therefore growi...

The Wyre Forest Coalfield

By Robert Evans, David Poyner

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CGRP Family

By David Poyner

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G protein coupled receptors

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G Protein Coupled Receptors

By Mark Wheatley, David Poyner

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G Protein Coupled Receptors

By Mark Wheatley, David Poyner

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CGRP Family

By David Poyner

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The CGRP Family

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The CGRP Family: Calcitonin Gene-Related Peptide (CGRP), Amylin and Adrenomedullin

By David Poyner

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.