Results 81 to 90 of about 10,603 (209)

Enhanced Nonlinear Optical Absorption Properties and Carrier Dynamics of Violet Phosphorene by Oxidation for Ultrafast Photonic Applications

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study investigates the effects of oxidation treatment on the nonlinear optical absorption properties and carrier dynamics of two‐dimensional violet phosphorene (VP), elucidating the underlying physical mechanisms. Furthermore, ultrashort laser pulses are achieved utilizing the enhanced saturation absorption and shortened carrier relaxation ...
Bo Li, Han Pan, Qingling Tang, Zhongben Pan, Hongwei Chu, Ying Li, Dechun Li   +6 more
wiley   +1 more source

A Spitzer Infrared Spectrograph Study Of Debris Disks Around Planet-Host Stars

, 2011
Since giant planets scatter planetesimals within a few tidal radii of their orbits, the locations of existing planetesimal belts indicate regions where giant planet formation failed in bygone protostellar disks.
Carpenter, John M., Bryden, Geoffrey, Dodson-Robinson, Sarah E., Beichman, C. A.   +3 more
core   +1 more source

DETERMINACIÓN DE FENOLES TOTALES EN DERIVADOS LÍGNICOS OBTENIDOS DEL “LICOR NEGRO” COMO ALTERNATIVA DE PRODUCCIÓN // DETERMINATION OF TOTAL PHENOL DERIVATIVES OBTAINED FROM LIGNIN "BLACK LIQUOR" AS ALTERNATIVE TO PRODUCTION

Publicaciones en Ciencias y Tecnología, 2015
Lignin is an industrial waste being worthless in papermaking byproduct of black liquor obtained from the pulping process in some Venezuelan plants.
María José López Villalobos, Irama Isabel Piña Sáenz, Yakelin Abou Masoud, Fredy José Ysambertt   +3 more
doaj  

Tuning Colloidal Stability and Photothermal Conversion Efficiency of Graphite Nanofluids via Anionic‐Nonionic Surfactant Engineering

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Graphite nanofluids were stabilized using a mixed SDS/Tween 80 surfactant system. The optimized formulation exhibited enhanced colloidal stability, red‐shifted UV–Vis absorption, and improved photothermal conversion under solar irradiation. Achieving stable dispersion of graphite flakes (GFs) in aqueous media remains a critical challenge in developing ...
Ahmad Chehade, Shoaib Anwer, Md Islam, Eiyad Abu‐Nada   +3 more
wiley   +1 more source

Calibration of Ultraviolet, Mid-infrared, and Radio Star Formation Rate Indicators

, 2017
We present calibrations for star formation rate (SFR) indicators in the ultraviolet, mid-infrared, and radio-continuum bands, including one of the first direct calibrations of 150 MHz as an SFR indicator.
Elisabete Lima Da Cunha (18943780), Francesco de Gasperin (19072487), T. H. Jarrett (3816238), Huib T. Intema (19072484), J. E. G. Peek (3816235), J.-D. T. Smith (3816232), Michael J. I. Brown (3816217), John Moustakas (3816223), Robert C. Kennicutt (19072478), Lee Armus (3816214), Nicolas J. Bonne (19072481), Mederic Boquien (19072490), Masatoshi Imanishi (3816220), Bernhard R. Brandl (3816229), Michelle Cluver (18924847)   +14 more
core   +1 more source

Synthesis of Molecularly Imprinted Polymers for Selective Extraction Followed by Solid Phase Determination of Metformin in Pharmaceutical Preparation and in Human Serum

مجلة بغداد للعلوم
This paper demonstrates that the synthesising and storage of molecular-imprinted polymers (MIP) at room temperature using bulk polymerisation of Metformin (Met) is characterised by high sensitivity, reduced costs, increased stability, and extended life.
Rana A. Kamal Aldeen, Yehya K. Al-Bayati
doaj   +1 more source

Composite materials based on dual network cross‐linking for flexible sensors

FlexMat, EarlyView.
Utilizing hydrogen bond lithium bond dual network structure to effectively enhance the rapid self‐healing properties of flexible ionic materials. Abstract The further development of flexible ionic materials is limited by the evaporation or leakage of their internal liquid state. This article presents a composite flexible ionic material with no internal
Xiaoming Wang, Hongxin Zhu, Yu Feng, Hean Liao, Ling Weng, Xiaorui Zhang, Dong Yue   +6 more
wiley   +1 more source

From static difference to time-resolved spectroscopy of coupled electron and proton transfer in the quinol: fumarate reductase of Wolinella succinogenes

, 2011
The enzyme quinol:fumarate reductase (QFR) from the anaerobic epsilon-proteobacterium Wolinella succinogenes is a membrane protein complex that couples the catalysis of the oxidation of menaquinol to menaquinone to that of the reduction of fumarate to ...
Paul, Rajsekhar, Paul, R.
core  

Disk evolution, element abundances and cloud properties of young gas giant planets [PDF]

, 2014
ChHc and PBR highlights financial support of the European Community under the FP7 program by an ERC starting grant. PW, IK, and WFT acknowledge funding from the European Union Seventh Framework Programme FP7-2011 under grant agreement No.
Kamp, I., Peter Woitke, Woitke, P., Meijerink, R., Helling, C., Inga Kamp, Christiane Helling, Wing-Fai Thi, Kamp, Inga, Meijerink, Rowin, Woitke, Peter, Kamp, Inga; id_orcid, Rimmer, Paul B., Rowin Meijerink, Rimmer, P.B., Paul B. Rimmer, Thi, W.-F., Thi, Wing-Fai, Helling, Christiane, Paul Rimmer   +19 more
core   +1 more source

Transmission Raman Spectroscopy (TRS) for Accurate Authentication of API in Coated Hydroxychloroquine (HCQ) Tablets

Journal of Raman Spectroscopy, EarlyView.
We report the development and use of a transmission Raman spectroscopy (TRS) system for a more accurate but nonintrusive way of authentication of API in coated HCQ tablets which otherwise is not possible using the backscattered (BS) configuration of Raman spectroscopy. The coating interference is found to be almost zero in case of the TRS and a greater
Vijay Kumar, Khan Mohammad Khan, Hemant Krishna, Khageswar Sahu, Srinibas Satapathy, Shovan Kumar Majumder   +5 more
wiley   +1 more source