Results 81 to 90 of about 3,801,891 (296)
Optical Observations related to the Molecular Chemistry in Diffuse Interstellar Clouds [PDF]
Symposium - International Astronomical Union, 1987 Observations, which have been published since 1979, of molecular species in diffuse clouds will be discussed. Particular attention will be given to the ultraviolet measurements of CO with the Copernicus and IUE satellites and to ground-based optical measurements of CH, CH+, CN, and C2.
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Biomass DNA: An Emerging Building Block for Advanced Materials
Advanced Materials, EarlyView.Biomass DNA is rapidly emerging from its traditional role as a genetic blueprint to serve as a versatile abundant, highly programmable polymeric building block. This review highlights the transformation of macroscopic bulk biomass DNA into next generation of functional materials, spanning from dynamic hydrogels, sustainable bioplastics, and high ...
Yuwei Hu, Itamar Willner, Li Niu
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CO-dark Molecular Gas Traced by HCO+ in the Diffuse Interstellar Medium
The Astrophysical JournalA classic problem in the study of the interstellar medium (ISM) is the near-invisibility of molecular hydrogen (H _2 ) in cold environments. Observations of CO emission are typically used to indirectly trace H _2 , but a significant fraction of H _2 in ...
Daniel R. Rybarczyk +4 more
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Penetration of Cosmic Rays into Dense Molecular Clouds: Role of Diffuse Envelopes∗ [PDF]
The Astrophysical Journal, 2018 Abstract A flux of cosmic rays (CRs) propagating through a diffuse ionized gas can excite MHD waves, thus generating magnetic disturbances. We propose a generic model of CR penetration into molecular clouds through their diffuse envelopes, and identify the leading physical processes controlling their transport on the way from a highly ...
A. V. Ivlev +5 more
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Near‐Infrared Imaging of H2O2 in Plants With Nanosensors Under Environmentally Changing Conditions
Advanced Materials, EarlyView.This paper reports a ratiometric nanosensor enabling robust, multivariate detection of stress signals (H2O2) in plants, with high resistance to light fluctuations and mechanical disturbances. Single‐walled carbon nanotubes serve as the sensor, Egyptian Blue nanosheets serve as a stable reference, and plant autofluorescence serves as a label‐free ...
Jiaqi Li +8 more
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Mapping Galactic Dust Emission and Extinction with H I, H II, and H2
The Astrophysical JournalNeutral hydrogen (H i ) emission closely traces the dust column density at high Galactic latitudes and is thus a powerful tool for predicting dust extinction. However, the relation between H i column density N _HI and high-latitude dust emission observed
Yun-Ting Cheng +3 more
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Interstellar processes: Ortho/para conversion, radiative association, and dissociative recombination
EPJ Web of Conferences, 2015 The study of the ortho-to-para ratio of assorted gas-phase interstellar molecules such as H2, H2O, NH3, and H2O+ has gained interest in recent years, based partially on new spectral observations of light hydrides by the Herschel Space Observatory ...
Herbst Eric
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Diffuse molecular clouds and the molecular interstellar medium from (13)CO observations of M33
The Astrophysical Journal, 1994 16 pages + 9 figures, uuencoded compressed postscript ...
Wilson, C. D., Walker, C. E.
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, 2004 International audienceThis review, far from exhaustive, focuses on the specific properties of molecular clouds in their least condensed phase. Emphasis is placed on their connection with the diffuse medium, their multi-fractal characteristics and the ...
Levrier, François +2 more
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Advanced Science, EarlyView.ABSTRACT Gonadotropin‐inhibitory hormone (GnIH, also known as RFamide‐related peptide‐3, RFRP‐3) is a hypothalamic neuropeptide that regulates vertebrate reproduction via its receptor GPR147. Although GnIH is known to mediate stress‐induced reproductive suppression, its role in broader stress responses remains unclear.
Jiani Zhang +18 more
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