Results 171 to 180 of about 28,173 (303)

Synergistic Catalysis of Gold-Platinum Alloy Nanozymes: A Novel Colorimetric Sensor for ALP Detection in Complex Biological Matrices. [PDF]

Pharmaceuticals (Basel)
Du B, Zhang B, Ren X, Yang J, Yang F, Yan C, Li L, Zhang R.   +7 more
europepmc   +1 more source

Engineering an Optogenetic pH‐Modulator in Bacteria

Advanced Science, EarlyView.
ABSTRACT Cells in many naturally occurring organisms routinely cooperate to control their extracellular pH in a dynamic and reversible manner, but this capability has been underexplored in synthetic biology. Here, we sought to engineer a microbial system that switches between two states —high and low extracellular pH— with minimal human intervention ...
Jenevieve Kuang, Olivia J. Armendarez, Wei‐Ting Chang, Matthew M. Hausladen, Shanna Bonanno, Daniel J. Wilson, Neel S. Joshi, Leila F. Deravi   +7 more
wiley   +1 more source

New Imaging Method of Mobile Phone-Based Colorimetric Sensor for Iron Quantification. [PDF]

Sensors (Basel)
Nguyen NA, Hendricks A, Montoya E, Mayers A, Rajmohan D, Morrin A, McCaul M, Dunne N, O'Connor N, Spanias A, Raupp G, Forzani E.   +11 more
europepmc   +1 more source

Rapid and sensitive colorimetric sensing of the insecticide pymetrozine using melamine-modified gold nanoparticles

, 2018
A colorimetric sensor for the pesticide pymetrozine (PYM) based on analyte-induced aggregation of melamine-modified gold nanoparticles (M-Au NPs) has been developed with high selectivity and sensitivity with a detection limit of 80 nM by the naked eye ...
Liu, Hong-yu, Wu, Ai-guo, Li, Xing, Kang, Jing-yan, Gao, Zhi-xian, Low, Paul J., Hosmane, Narayan S., Miao, Li-jing, Zhang, Yu-jie, Dong, Chen   +9 more
core  

3D‐Printed Metal‐Supported MOF‐Heteropoly Acid Nanozyme for High‐Performance Peroxidase‐Mimic Activity and Ultra‐Sensitive Glucose Detection

Advanced Science, EarlyView.
A hierarchically structured Fe‐BTC‐PMA immobilized 3D‐printed platform is engineered as a robust artificial enzyme for colorimetric glucose sensing. The hybrid architecture efficiently activates H2O2 to drive TMB oxidation. This integrated system enables sensitive, reusable, and scalable detection with enhanced catalytic stability and analytical ...
Paramita Koley, Ranjithkumar Jakku, Subhash Chandra Shit, Jang Mee Lee, Guy N. L. Jameson, Tayebeh Hosseinnejad, Selvakannan Periasamy, Deshetti Jampaiah, Amrit Raj Paul, Ylias Sabri, Suresh K. Bhargava   +10 more
wiley   +1 more source

Beyond RGB: Integration of an 8-Channel Digital Light Sensor into a Fully Automated Platform for Colorimetric Sensor Arrays. [PDF]

Anal Chem
Conrado JAM, de Jesus DM, Machado CCS, da Mota YSN, da Silva SG, Petruci JFDS.   +5 more
europepmc   +1 more source

Robust Synthesis of GO-PtNPs Nanocomposites: A Highly Selective Colorimetric Sensor for Mercury Ion (II) Detection. [PDF]

ACS Omega, 2023
Jia J, Zhu W, Du X, Din ZU, Xie F, Zhou J, Cai J.   +6 more
europepmc   +1 more source

Mechanistic Design of Graphdiyne‐Based Multimodal Sensing Integrating Machine Learning and Photothermal Dynamics for Precision Recognition and On‐Demand Inactivation

Advanced Science, EarlyView.
A triple‐mode theranostic platform enables integrated electrochemical, colorimetric, and photothermal detection of bacterial infection. Glucose oxidation triggers H2O2 generation and TMB oxidation to oxTMB, producing color and thermal signals under 808 nm NIR irradiation.
Jing Xu, Hanxiao Chen, Liucun Yin, Yifang Tao, Qichen Yuan, Hong Wang, Huan Pang, Junyan Teng, Li Xue   +8 more
wiley   +1 more source

Paper-based colorimetric sensor for histamine detection using dopamine-functionalized, size-varied gold nanoparticles. [PDF]

Sci Rep
Rivera RBP, Lumod RM, Unabia RB, Reazo RLD, Ruda AG, Lapening MA, Omping JL, Ceniza AP, Sayson NLB, Latayada FS, Capangpangan RY, Dumancas GG, Malaluan RM, Lubguban AA, Petalcorin GC, Alguno AC.   +15 more
europepmc   +1 more source

Development of a low power reactive wireless chemical sensing network [PDF]

, 2008
Beirne, Stephen
core