Nutrient loading as a key cause of short- and long-term anthropogenic ecological degradation of the Salton Sea.

The Salton Sea (SS), California's largest inland lake at 816 square kilometers, formed in 1905 from a levee breach in an area historically characterized by natural wet-dry cycles as Lake Cahuilla. Despite more than a century of untreated agricultural drainage inputs, there has not been a systematic assessment of nutrient loading, cycling, and associated ecological impacts at this iconic waterbody. The lake is now experiencing unprecedented degradation, particularly following the 2003 Quantification Settlement Agreement-the largest agricultural-to-urban water transfer in the United States.

Upcycling of Polystyrene to Aromatic Polyacids by Tandem Friedel-Crafts and Oxidation Reactions.

Due to the high demand and the increasing production rate of plastic materials, vast amounts of wastes are generated every year. An important fraction of these wastes contain polystyrene (PS), which is seldom recycled, neither mechanically nor chemically. While several chemical recycling strategies have been developed, they are either very energy-demanding or produce chemicals that can hardly be employed in the synthesis of plastics (e.

Indications of digital literacy during Latino-focused, community-based COVID-19 testing implementation.

Objective: We sought to characterize indicators of digital literacy among persons testing for COVID-19 and community health workers (CHWs) providing testing via a digital platform in low-income, majority-Latino communities in California.

Materials And Methods: From March 2021 to March 2022, we trained CHWs to provide community-based COVID-19 testing that relied on a digital platform for registration, recording and reporting of results. Among community members, we examined factors associated with accessing test results digitally and time to results receipt.

Phase 3 Validation of Prognostic Liver Secretome Signature With α-Fetoprotein Plus Age, Male Sex, Albumin-Bilirubin, and Platelets for Hepatocellular Carcinoma Risk Stratification in Cirrhosis.

Background & Aims: Hepatocellular carcinoma (HCC) risk stratification is an urgent unmet need for cost-effective HCC screening and early detection in patients with cirrhosis to improve poor HCC prognosis.

Methods: Molecular (prognostic liver secretome signature with α-fetoprotein) and clinical (aMAP [age, male sex, albumin-bilirubin, and platelets] score) variable-based scores were integrated into PAaM (prognostic liver secretome signature with α-fetoprotein plus age, male sex, albumin-bilirubin, and platelets), which was subsequently validated in 2 phase 3 biomarker validation studies: the statewide Texas HCC Consortium and nationwide HCC Early Detection Strategy prospective cohorts, following the prospective specimen collection, retrospective blinded evaluation design. The associations between baseline PAaM and incident HCC were assessed using Fine-Gray regression, with overall death and liver transplantation as competing events.

[Nutritional Status of Institutionalized Elderly and Its Relationship with Functional Status During 2019].

Unlabelled: Aging is associated with physiological, economic, and psychological changes that can compromise nutritional and functional status.

Aim: To determine the nutritional status of institutionalized older people living in a long-term nursing home "Fundación las Rosas" (FLR), the largest long-stay establishment in Chile, in 2019, and its relationship with functionality.

Methods: Descriptive study of analysis of secondary data in 1646 older adults institutionalized in FLR (60% women).