Add ChemRxiv citation to webapp and README

README.md

@@ -96,6 +96,12 @@ Supported formats: .txt, .csv
 - **Frontend:** HTML5, JavaScript, Plotly.js, JSME
 - **Libraries:** PythoMS, IsoSpecPy
 
+## Citation
+
+If you use NucleoSpec in a publication, please cite:
+
+> Lin, I.-H.; Copp, S. M. A Tutorial on Automated Mass Spectral Analysis using NucleoSpec for Compositional Assignment of Nucleic Acid–Silver Complexes and Nanoclusters. *ChemRxiv* 2026. [DOI: 10.26434/chemrxiv.15004738/v1](https://doi.org/10.26434/chemrxiv.15004738/v1)
+
 ## Support
 
 - **Developer:** I-Hsin (Vivian) Lin

templates/index.html

@@ -502,6 +502,12 @@
                     Your data stays private • Not stored on server
                 </span>
             </div>
+            <div style="margin-top: 8px;">
+                <span style="color: rgba(255,255,255,0.75); font-size: 0.75em;">
+                    Please cite: Lin &amp; Copp, <em>ChemRxiv</em> 2026.
+                    <a href="https://doi.org/10.26434/chemrxiv.15004738/v1" target="_blank" style="color: rgba(255,255,255,0.9); text-decoration: underline;">DOI</a>
+                </span>
+            </div>
         </header>
 
         <div class="main-content">
@@ -6500,6 +6506,16 @@
                     </p>
                 </div>
 
+                <!-- Citation -->
+                <h4 style="color: #667eea; margin: 0 0 10px 0; font-size: 0.95em;">Citation</h4>
+                <div style="font-size: 0.8em; line-height: 1.5; color: #555; margin-bottom: 15px;">
+                    <p style="margin: 0;">
+                        If you use NucleoSpec in a publication, please cite:<br>
+                        Lin, I.-H.; Copp, S. M. A Tutorial on Automated Mass Spectral Analysis using NucleoSpec for Compositional Assignment of Nucleic Acid–Silver Complexes and Nanoclusters. <em>ChemRxiv</em> 2026.
+                        <a href="https://doi.org/10.26434/chemrxiv.15004738/v1" target="_blank" style="color: #667eea;">DOI</a>
+                    </p>
+                </div>
+
                 <!-- References -->
                 <h4 style="color: #667eea; margin: 0 0 10px 0; font-size: 0.95em;">References</h4>
                 <div style="font-size: 0.8em; line-height: 1.5; color: #555; margin-bottom: 15px;">