Results 161 to 170 of about 960,477 (390)

Photosynthesis under far‐red light—evolutionary adaptations and bioengineering of light‐harvesting complexes

open access: yesFEBS Letters, EarlyView.
Phototrophs evolved light‐harvesting systems adapted for efficient photon capture in habitats enriched in far‐red radiation. A subset of eukaryotic pigment‐binding proteins can absorb far‐red photons via low‐energy chlorophyll states known as red forms.
Antonello Amelii   +8 more
wiley   +1 more source

Healthy eating among people on opioid agonist therapy: a qualitative study of patients’ experiences and perspectives

open access: yesBMC Nutrition
People with substance use disorders often have unhealthy diets, high in sweets and processed foods but low in nutritious items like fruits and vegetables, increasing noncommunicable disease risks.
Einar Furulund   +5 more
doaj   +1 more source

Recreational Use of Nitrous Oxide – a Growing Concern in Europe

open access: yesEmerging Trends in Drugs, Addictions, and Health
Introduction: Nitrous oxide, commonly known as laughing gas, is used medically as an analgesic and anaesthetic. It has been used recreationally for its brief euphoric effects for over 200 years, however, in the last decade, there has been a large ...
J. De Morais   +16 more
doaj   +1 more source

Internet Addiction: The Emergence of a New Clinical Disorder

open access: yesCyberpsychology, Behavior, and Social Networking, 1998
K. Young
semanticscholar   +1 more source

Rad27/FEN1 prevents accumulation of Okazaki fragments and ribosomal DNA copy number changes

open access: yesFEBS Letters, EarlyView.
The budding yeast Rad27 is a structure‐specific endonuclease. Here, the authors reveal that Rad27 is crucial for maintaining the stability of the ribosomal RNA gene (rDNA) region. Rad27 deficiency leads to the accumulation of Okazaki fragments and changes in rDNA copy number.
Tsugumi Yamaji   +3 more
wiley   +1 more source

A Theory of Relative Deprivation and Myopic Addiction [PDF]

open access: yes
Myopic use of mind-altering substances is proposed to be equal to the product of the user’s current levels of relative-deprivation feeling and substance-tolerance.
Levy, Amnon
core  

Mitochondrial fatty acid oxidation is stimulated by red light irradiation

open access: yesFEBS Letters, EarlyView.
Light at different wavelengths has distinct effects on keratinocyte viability and metabolism. UVA light abrogates metabolic fluxes. Blue and green light have no effect on metabolic fluxes, while red light enhanced oxidative phosphorylation by promoting fatty acid oxidation. Keratinocytes are the primary constituents of sunlight‐exposed epidermis.
Manuel Alejandro Herrera   +4 more
wiley   +1 more source

Neurocircuitry of Addiction

open access: yesNeuropsychopharmacology, 2010
G. Koob, N. Volkow
semanticscholar   +1 more source

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