Introduction: Concerns regarding police brutality and violence against people of color in the U.S. remain high in the current sociohistorical moment in which the recent murder of George Floyd by a police officer is highly salient. Although the prevalence and consequences of such experiences for Black and Latina/x/o adults have been documented in the literature, there is a limited understanding of youths' negative experiences with police.
Methods: Utilizing a sample of 1378 adolescents (M = 16.16 years, SD = 1.12), the current study examined Black, Latina/x/o, and White youths' self-reports of ethnic-racial police discrimination and linked these experiences to youths' academic engagement and academic grades.
Results: Black and Latina/x/o youth reported significantly greater experiences of ethnic-racial police discrimination than their White counterparts; nearly 24% of Black youth and 20% of Latina/x/o youth experienced at least one instance of ethnic-racial police discrimination in the last year, compared to only 2.9% of White youth. Differences by gender emerged among Latina/x/o youth. Police discrimination was associated with lower academic engagement and lower academic grades among all youth.
Conclusions: Findings demonstrate that the greater prevalence of ethnic-racial police discrimination in the lives of youth of color, relative to their White counterparts, mirroring the experiences of adults. Furthermore, coupled with the significant links with academic adjustment, the current findings demonstrate an additional factor that is likely implicated in the Black and Latina/x/o vs. White academic achievement gap.
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http://dx.doi.org/10.1016/j.adolescence.2021.06.001 | DOI Listing |
J Sep Sci
January 2025
Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, China.
A novel dual-wavelength ultrahigh performance liquid chromatography (UHPLC) fingerprint was established, 56 common peaks were confirmed and attributed to the source of the medicinal materials, and 13 chromatographic peaks of them were identified by UHPLC quadrupole time-of-flight (Q-TOF)-MS/MS and UHPLC-UV method. Furthermore, a simple and sensitive HPLC-quadrupole trap (Q-TRAP)-MS/MS was developed for the simultaneous determination of 16 active components with electrospray ionization (ESI) source switching between positive and negative modes in a single run. The above two methods were successfully applied for the quality evaluation of Guanxinjing capsule (GXJC).
View Article and Find Full Text PDFEur J Med Res
January 2025
Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese People's Liberation Army (PLA) General Hospital, Beijing, 100048, China.
Background: Burn-hemorrhagic shock combined injury, a severe condition causing complex stress responses and metabolic disturbances that significantly affect clinical outcomes in both military and civilian settings, was modeled in swine to investigate the associated metabolomic and proteomic changes and identify potential biomarkers for disease prognosis.
Methods: Eight clean-grade adult male Landrace pigs (4-5 months, average weight 60-70 kg) were used to model burn-hemorrhagic shock combined injury. Serum samples collected at 0 h and 2 h post-injury were analyzed using metabolomic and proteomic measurements.
Community Ment Health J
December 2024
Lab of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece.
Mentally ill offenders face stigma, being perceived as both dangerous and unpredictable. This leads to social discrimination, which causes devaluation, distancing, and unequal treatment towards them. Critical and dismissive attitudes of healthcare professionals and police toward these patients undermine their care, treatment, and prospects for rehabilitation.
View Article and Find Full Text PDFSci Justice
November 2024
Department of Chemistry and Biochemistry, Advanced Science and Engineering, Waseda University, Okubo, Shinjuku-ku, Tokyo 169-8555, Japan. Electronic address:
Color tests are advantageous for the field detection of illicit drugs because of their simplicity, low cost, and rapidity. The Scott test has been widely used as a color test for cocaine; however, it has the disadvantage of reacting with cathinone derivatives. To develop a more discriminating field-testing procedure, we evaluated the Cupric Reducing Antioxidant Capacity (CUPRAC) and bicinchoninic acid (BCA) tests for cathinones, to discriminate between cocaine and cathinones.
View Article and Find Full Text PDFSci Justice
November 2024
Queensland Public Health and Scientific Services, Coopers Plains, Qld 4108, Australia.
Traditional forensic chemical comparisons of polymeric materials are often affected by fingerprinting agents that enhance and visualise finger-marks. This can inhibit detailed analysis used to provide an association or discrimination between two samples. In this study, we have demonstrated that the method for polymer comparisons using isotope ratio mass spectrometry analysis is not affected by fingerprinting matter on the surface in contrast to other forensic instrumental tests.
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