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[Vitamin B1 determination in ready-to-use infant food].

The authors report of a modification to the vitamin B1 determination (thiochrome method) according to the Specification TGL 18230. Extract purification is considerably simplified by using the KPS cation exchanger. The measurements were performed by means of the Spekol spectrophotometer with fluorescence attachment. In this way, also industrial laboratories with modest outfit are enable to make vitamin B1 determinations. Already after 2-3 months of storage, the thiamine values of the fruit and vegetable baby foods tested lay in part at the lower limit of the stated values. Possibilities of improving the thiamine values are discussed.

Food Preservation

[Lead and cadmium content of baby food and their nutritional hygienic-toxicological significance].

Little is known of the amounts of lead and cadmium which the infantile organism takes up from the total diet. The author's analyses of more than 150 jars or packs of ready-to-use baby food produced in the German Democratic Republic (trade mark: Für's Kind) revealed lead contents of less than 100 mug/kg and cadmium contents of less than 10 mug/kg. Only spinach showed higher lead values. In liver -containing ready-to-use foods the cadmium contents were higher than 10 mug/kg (25-50 mug/kg). Like liquid milk, powdered milk-base foods contained no cadmium. From these values it was calculated that the daily lead and cadmium intake of an infant during his first year of life amounts to 42-47 mug of lead and to 6,4-11,5 mug of cadmium, respectively. A conversion to mg/kg of body weight shows that, in both cases, the load on an infant equals that on an adult or is even greater. Literature data lead intake are in good agreement with these results. Corresponding studies for cadmium are not known.

Adult

A point-of-use SERS assay for rapid detecting difenoconazole and flusilazole residues in fruit juices using Au/COF substrate.

We developed a ready-to-use surface-enhanced Raman scattering (SERS) sensor for rapid, pretreatment-free detection of difenoconazole (DIF) and flusilazole (FLU) in peach and lychee juices. The substrate combines Au nanoparticles (AuNPs) with covalent organic frameworks (COF) and is implemented on a portable 25-well plate, enabling in situ testing. Juices can be directly applied to the SERS-active Au/COF composite, allowing simultaneous adsorption and signal generation. The correlation between SERS intensity and logarithmic concentration yielded R-values between 0.925 and 0.986, meeting the monitoring needs of non-laboratory scenarios. The entire workflow completes within 12 min, offering a faster alternative to conventional methods while maintaining high sensitivity and reproducibility. Detection limits reach 0.96-1.22 ppb for DIF and FLU, both of which are below the regulatory maximum residue limits. Distinct SERS fingerprints enable reliable discrimination of mixed residues across juice matrices, supporting rapid on-site monitoring and cost-effective pesticide surveillance.

Triazoles

[Chlorinated hydrocarbons in the daily diet].

The gas chromatographic analysis of the daily diets (without beverages) of men consuming at maximum 4000 kcal per day, in spring, summer and autumn 1971, revealed always residues of chlorinated hydrocarbons. With an average food amount of 1635 g per day, each subject (having an average body weight of 65 kg) ingested 105 mug of DDT, 20 mug of DDE, 20 mug of DDD, and 149 mug of total DDT and 10 mug of lindane, respectively. The contamination was inferior to the ADI values recommended by the WHO/FAO. From winter 1971 to autumn 1972, the authors also analysed the daily diets (including beverages) of 1-3-year-old children (having an average body weight of 12 kg) in a week-nursery. The average food amount of 1230 g per day contained 42 mug of DDT, 12 mug of DDE, 8 mug of DDD, and 64 mug of total DDT and 7 mug of lindane, respectively. From these values a total DDT intake of 5.3 mug/kg of body weight was calculated which exceeds the ADI value for adults. The claim for a zero tolerance for victuals and ready-to-use baby foods is corroborated. Consequently the complete replacement of DDT by other insecticides is a measure which is imperative not only from the viewpoint of prophylaxis but also from that of health policy.

Adult

A new, simple method for intraoperative fast diagnosis.

The suitability of stain-coated, ready-to-use slides (Testsimplets) for routine staining of intraoperative imprint-cytology preparations is discussed. The microscopic preparations are easily and quickly prepared, may be evaluated immediately and, with a slight loss of quality, may be kept for up to a week after application of paraffin to the cover glass. This method produces interpretable slides from cell-rich benign and malignant tumors. It is by no means a complete substitute for the usual fast-section techniques, but may be used in order to save time.

Biopsy

Immobilization of invertase through its carbohydrate moiety on Ocimum basilicum seed.

Yeast invertase, a glycoprotein, was covalently coupled to Ocimum basilicum seeds either through its protein or carbohydrate moiety. Of the various methods investigated, binding of the enzyme through its carbohydrate moiety resulted in the retention of considerably higher amounts of enzyme activity. Immobilized invertase showed a shift in the pH optimum toward the alkaline side without appreciable change in temperature optimum. However, the immobilized preparation was more thermostable than the free enzyme. Invertase bound to the seeds could be used repeatedly for the hydrolysis of sucrose syrups in a batch process without appreciable loss in activity. The seeds could serve as an inexpensive, ready-to-use, natural pellicular polysaccharide support for immobilizing enzymes.

Carbohydrates

A new cocktail for liquid scintillation counting of aqueous radioimmunoassay-samples.

The aim of this investigation was to find a scintillation mixture for counting up to 1 ml of plasma. We succeeded in obtaining a mixture of xylene/Triton X-100/mono- and di-butylphosphate, and called it Plasmasol. The properties were ideal for radioimmunoassays of steroids. Good dissolving properties, high counting efficiency, absence of chemiluminescence and a good stability and reproducibility with respect to the disintegrations per minute were achieved. The cost was only 25% of the commercially available ready-to-use liquid scintillation mixtures, with which a comparison was made.

Blood

Beyond antigen matching: compatibility intelligence theory for transfusion as an emergent biological system.

BACKGROUND: Despite major advances in serologic testing, extended phenotyping, and blood group genomics, clinically similar transfusion exposures may result in markedly different immune and clinical outcomes. Existing compatibility strategies do not fully explain this biological variability. OBJECTIVES: To examine transfusion compatibility as an emergent donor-recipient biological state and propose a systems-level conceptual framework that integrates established biological determinants into a testable model for future precision transfusion medicine. METHODS: This narrative review critically synthesizes current evidence from blood group genomics, recipient immunobiology, inflammation, disease-specific biology, transfusion medicine, and computational prediction. The proposed framework distinguishes Compatibility Intelligence Theory (CIT) as a biological interpretation from Precision Transfusion Intelligence (PTI) as its potential clinician-supervised translational application. RESULTS: The review argues that transfusion compatibility is shaped by interactions among donor genetics, recipient immune biology, inflammatory physiology, disease context, transfusion history, and longitudinal adaptation rather than by antigen matching alone. CIT provides an organizational framework for integrating these determinants, whereas PTI describes a possible clinician-supervised translation. To address current feasibility, the revised framework separates variables into routinely measurable, contextually available but incompletely standardized, and research-stage domains, and proposes a staged strategy for deriving rather than assuming their quantitative weights. Any clinical implementation would require comparative validation against current serologic, phenotypic, and genotype-based practice. CONCLUSIONS: Compatibility Intelligence Theory offers a testable systems-level framework for understanding transfusion compatibility without replacing established transfusion practices. The framework is not presented as a ready-to-use score: currently measurable variables can be organized for structured risk review, whereas inflammatory, immunogenetic, and multi-omic inputs require prospective standardization and validation. If future studies demonstrate incremental predictive and patient-centered benefit, CIT-informed PTI could support an adaptive, evidence-based extension of current precision transfusion practice.

Humans

CholeraSeq: a comprehensive genomic pipeline for cholera surveillance and near real-time outbreak investigation.

SUMMARY: Next Generation Sequencing is widely deployed in cholera-endemic regions, yet an end-to-end reproducible pipeline that unifies read QC, filtering, reference mapping, variant calling/annotation, recombination screening, and extraction of parsimony informative sites/variant codons, phylogenetic inference for downstream phylodynamic and epidemiological analyses have been lacking, slowing outbreak investigation and public health response. CholeraSeq is a high-throughput genomics pipeline for cholera genomic surveillance. It ingests consensus genomes, short read sequence data, draft assemblies, and scales seamlessly from local to cloud environments. To accelerate epidemiological context placement of new outbreak strains, we provide a curated ready-to-use core genome alignment compiled from public data, enabling flexible, fast, integration of new samples for outbreak investigations. AVAILABILITY AND IMPLEMENTATION: CholeraSeq is freely available on the GitHub platform https://github.com/CERI-KRISP/CholeraSeq. CholeraSeq is implemented in Nextflow with a modular design building upon the nf-core community standards.

Cholera

Agentomics: an agentic system that autonomously develops novel state-of-the-art solutions for biomedical machine learning tasks.

MOTIVATION: Extracting knowledge from biomedical data is crucial for advancing our understanding of biological systems and developing novel therapeutics. The quantity, quality, and resolution of biomedical data constantly evolves, requiring the automation of biomedical machine learning (ML). Existing Automated ML tools lack flexibility, while large language models (LLMs) struggle to consistently deliver reproducible machine learning codebases, and existing LLM Agent-powered solutions lag behind human-engineered ML models. RESULTS: Here, we introduce Agentomics, an autonomous LLM-powered agentic system for end-to-end ML experimentation. Given a biomedical dataset, Agentomics implements various ML modeling strategies, and produces a ready-to-use ML model. Agentomics introduces strict validation checkpoints for standard ML development steps, allowing gradual development on top of working code with defined interfaces and validated artifacts. Further, it offers native support for biomedical foundation models that can be leveraged during experimentation. The generic nature of Agentomics allows the user to create ML solutions for a large variety of datasets and use various LLMs. We evaluate Agentomics across 20 datasets from the domains of Protein Engineering, Drug Discovery, and Regulatory Genomics. When benchmarked against other agentic systems, Agentomics outperformed them in all tested domains. When benchmarked against human expert solutions, Agentomics generated novel state-of-the-art models for 11/20 established benchmark datasets. AVAILABILITY AND IMPLEMENTATION: Agentomics is implemented in Python. Source code and documentation are freely available at: https://github.com/BioGeMT/Agentomics-ML.

Machine Learning

Rapid identification of Prototheca species by the API 20C system.

The conventional auxanographic method of testing for the assimilation of carbohydrates and alcohols by the various species of Prototheca requires at least 2 weeks of incubation at 25 to 30 degrees C before definitive results are obtained. Even though Prototheca spp., in culture as well as in fixed tissues, can be identified more rapidly by fluorescent-antibody techniques in which species-specific reagents are used, such diagnostic facilities and reagents are not available in most diagnostic laboratories. The API 20C clinical yeast identification system, a commercially available ready-to-use micromethod, was found to permit the definitive identification of P. stagnora, P. wickerhamii, and P. zopfii within 4 days.

Carbohydrate Metabolism

Survey on the current status of novel cancer drug therapies for gynecological cancers in Japan: a nationwide survey by the Japan Society of Obstetrics and Gynecology (JSOG).

OBJECTIVE: To characterize real-world implementation of novel therapies in gynecological oncology in Japan and identify actionable gaps through a nationwide survey. METHODS: A cross-sectional questionnaire was distributed to Japan Society of Obstetrics and Gynecology-affiliated institutions. The items covered institution characteristics; use of poly (ADP-ribose) polymerase (PARP) inhibitors, immune checkpoint inhibitors (ICIs), kinase inhibitors, and antibody-based agents; local adverse event (AE) manuals; availability of expert panels and immune-related adverse event (irAE) teams; and perceptions of educational sufficiency. RESULTS: Valid responses were obtained from 245 institutions, spanning universities, cancer centers, and general hospitals. Most institutions reported the routine use of PARP inhibitors, ICIs, kinase inhibitors, and antibody drugs. However, only 40.4% of institutions had an in-hospital irAE management team, 57.1% had an AE/irAE manual, and 31.0% and 12.2% considered prior educational opportunities sufficient for physicians and nurses/other medical staff, respectively. High-volume institutions and academic centers were significantly more likely to have medical oncology support, expert-panel access, irAE teams, manuals, and higher self-rated evidence-based management capacity. The majority favored e-learning and society-led case conferences, and 76.3% supported the development of drug therapy subspecialties in gynecologic oncology. CONCLUSION: Innovative drug modalities are widely implemented across Japanese gynecological oncology services. However, critical gaps persist in multidisciplinary irAE management, standardized manuals, and practical education. Coordinated society-led programs to expand irAE teams, streamline companion diagnostics, disseminate ready-to-use algorithms, and provide credential-targeted training may enhance safety, equity, and evidence-concordant care nationwide.

Immune Checkpoint Inhibitors

A new rapid differentiating solubility test for hemoglobin S.

A new test for sickling hemoglobin, SickleQuikTM, has been developed which has definitive advantages over existing turbidity tests. This test utilizes a biphasic liquid reagent system provided in individualized, ready-to-use reaction tubes which are stable at room temperature. The test differentiates homozygous from heterozygous S samples in less than eight minutes. Results are based on the color of a layer formed at the organic-aqueous interface and the color of the lower aqueous phase. Of more than 900 samples tested in independent laboratories, no false positive or false negative results occurred.

Anemia, Sickle Cell