A PHP Error was encountered

Severity: Warning

Message: fopen(/var/lib/php/sessions/ci_session6b3gkeknqo43s91ksjvue3mi6fmg0hnp): Failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 177

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)

Filename: Session/Session.php

Line Number: 137

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests

Filename: helpers/my_audit_helper.php

Line Number: 197

Backtrace:

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 197
Function: file_get_contents

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 271
Function: simplexml_load_file_from_url

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3145
Function: getPubMedXML

File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global

File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword

File: /var/www/html/index.php
Line: 316
Function: require_once

Selective O-labeling of silica. | LitMetric

Selective O-labeling of silica.

Chem Commun (Camb)

Chemical and Biological Sciences Division, Ames National Laboratory, Ames, IA, USA.

Published: October 2024

The addition of OH to silica at room temperature leads to spontaneous hydroxyl oxygen exchange and the selective isotopic enrichment of silanols, as observed using and O NMR. The discovery that silanols are labile alters our understanding of the chemistry of silica surfaces.

Download full-text PDF

Source
http://dx.doi.org/10.1039/d4cc04584jDOI Listing

Publication Analysis

Top Keywords

selective o-labeling
4
o-labeling silica
4
silica addition
4
addition silica
4
silica room
4
room temperature
4
temperature leads
4
leads spontaneous
4
spontaneous hydroxyl
4
hydroxyl oxygen
4

Similar Publications

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!