Results 71 to 80 of about 9,432 (249)
Diastereoisomeric diversity dictates reactivity of epoxy groups in limonene dioxide polymerization
eXPRESS Polymer Letters, 2018 Limonene dioxide (LDO) has the potential to find a wide application as a bio-based epoxy resin. Its polymerizations by catalyzed ring-opening, and by polyaddition with diamines were compared with the polymerizations of the commercial epoxy resins ...
M. Soto, K. Koschek
doaj +1 more source
Multiwavelength Implantable Oximeter for Wireless Monitoring of Tissue Oxygenation in the Presence of Blood Volume Changes. [PDF]
Adv Healthc MaterThis study presents an implantable, wireless, battery‐free oximeter that can continuously monitor physiologically consistent regional tissue oxygenation under dynamic changes of blood volume. This is achieved through multiwavelength photoplethysmography and validated both via Monte Carlo simulations and in vivo rat studies. Different stress events were
Usatinsky A +12 more
europepmc +2 more sources
Sonocatalytic carbon dioxide reduction for syngas production over surface‐roughened CuxO catalyst
AIChE Journal, EarlyView.Abstract The transition to a carbon‐circular economy requires efficient technologies for converting CO2 into value‐added chemical feedstocks. Sonocatalytic CO2 conversion has recently emerged as a compelling approach to drive this conversion. Here, we report a surface‐roughened CuxO catalyst for sonocatalytic CO2 reduction in aqueous media, achieving a
Dong Xia +5 more
wiley +1 more source
MicromachinesAn ultra-low quiescent current output-capacitor-less low dropout (OCL-LDO) regulator for power-sensitive applications is proposed in this paper. To improve the gain of the OCL-LDO feedback loop, the error amplifier employs a combination of a cross ...
Yuxin Zhang +3 more
doaj +1 more source
Printed Wearable Sweat Rate Sensor for Continuous In Situ Perspiration Measurement
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.A wireless wearable sweat rate sensor system is presented, featuring digital 3D direct‐write printing on a flexible substrate with microfluidic layers for continuous, real‐time monitoring. Printed encapsulated metal electrodes are used for capacitance measurements, achieving high sensitivity (0.01 μL min−1) while maintaining a compact and lightweight ...
Mohammad Shafiqul Islam +6 more
wiley +1 more source
IEEE AccessThe low dropout (LDO) regulator is an essential circuit in the wireless power module of any portable device. The power management integrated circuits demand low power, high performance LDO regulator.
P. Manikandan, B. Bindu
doaj +1 more source
Comparison between PANTHER and WORMHOLD LDO sets.
, 2016 Comparison between PANTHER and WORMHOLD LDO sets.
David O. Walton (3331995) +4 more
core +1 more source
Experimental methods in chemical engineering: Temperature‐programmed oxidation—TPO
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Temperature‐programmed oxidation (TPO) probes the oxidative capacity and redox properties of solid materials—catalysts, metal oxides, perovskites, and carbonaceous deposits. It identifies coke type, distribution, and reactivity. TPO instruments pass an oxidizing gas (diluted O2$$ {\mathrm{O}}_2 $$, air, or less commonly N2O$$ {\mathrm{N}}_2 ...
Gholamreza Roohollahi +7 more
wiley +1 more source
Veterinary SciencesBlood pressure (BP) monitoring is essential during anesthesia to maintain cardiovascular stability and detect hypotension. This study evaluated the agreement and diagnostic accuracy of linear deflection oscillometry (LDO) and Doppler compared to invasive
Matheus M. Mantovani +8 more
doaj +1 more source
An Ultra Low-Power LDO for MCU in Standby Mode
, 2017 设计了一种应用于MCU待机模式的超低功耗低压差线性稳压电路(LDO)。采用较少的MOS管以及简单的结构,只需提供一个15n A的偏置电流,可自产生偏置电压,无需带隙基准(Bandgap reference)电路提供基准电压。针对与主LDO协同工作的情况设计了输出级,能有效避免LDO同时工作引起的电源电压波动。在MCU的待机模式下,可以给上电复位(POR)、唤醒电路(Wakeup)、低功耗振荡器(LPOSC)、数据保持(Data retention)电路提供电源电压。该电路采用TSMC 0 ...
刘铁锋, 张超, 张志鹏
core