Fact-checked by Grok 2 weeks ago

SDS

Students for a Democratic Society (SDS) was a radical American student activist organization founded in 1960 that mobilized tens of thousands of young people against the , racial injustice, and corporate power, evolving from advocacy to endorsing revolutionary tactics by the late . SDS originated as a successor to earlier socialist youth groups, establishing its national presence at the and rapidly expanding chapters across U.S. campuses amid growing disillusionment with liberalism. Its defining document, the 1962 Port Huron Statement drafted primarily by , articulated a vision of "" that condemned apathy, bureaucracy, and materialism in American life while urging to achieve and end nuclear threats. By the mid-1960s, SDS shifted focus to antiwar efforts, coordinating the first major national demonstration against U.S. involvement in —a 25,000-person in April 1965—and supporting draft resistance alongside in urban poor neighborhoods. The organization's influence peaked with membership estimates exceeding 100,000, fostering a broader that challenged university administrations and accelerated campus unrest. However, deepening ideological rifts—pitting advocates of nonviolent reform against Maoist-inspired revolutionaries favoring confrontation—culminated in SDS's collapse at its 1969 , where factional violence and power struggles splintered the group. The dominant radical wing rebranded as the (later ), pursuing bombings and sabotage against government targets, marking SDS's legacy with associations to despite its earlier emphasis on mass protest.

Political organizations

Students for a Democratic Society

(SDS) originated in 1959 as the youth affiliate of the League for Industrial Democracy, a social democratic group tracing its roots to early 20th-century socialist organizations, with early efforts centered on civil rights advocacy and labor solidarity rather than revolutionary upheaval. The group's ideological foundation solidified with the 1962 , drafted primarily by , which lambasted political apathy, the fusion of corporate and governmental power, and foreign policy, while proposing to empower individuals against bureaucratic and materialist . Membership surged amid escalating U.S. involvement in , peaking at approximately 100,000 by 1968 across hundreds of campus chapters, enabling large-scale mobilizations such as the April 17, 1965, —SDS's inaugural national antiwar demonstration, attended by 15,000 to 25,000 protesters—and the April-May 1968 occupations of buildings, which targeted the institution's classified defense research contracts and a proposed gymnasium expansion amid community opposition. Ideological rifts deepened by 1969, culminating in the national convention's collapse into factions; the dominant Weatherman group, embracing Maoist guerrilla tactics, detached from SDS to form the , which executed symbolic bombings including the , 1971, U.S. Capitol explosion protesting alleged , though no casualties resulted due to prior warnings. SDS's antiwar amplified scrutiny of Vietnam's costs—over 58,000 U.S. deaths and domestic draft resistance—but its pivot toward Marxist revolutionary rhetoric, tolerance of property destruction and street confrontations, and factional infighting yielded scant legislative victories, instead fostering perceptions of unchecked radicalism that polarized campuses and public discourse without resolving underlying grievances like or foreign entanglements. Efforts to resurrect SDS emerged in 2024-2025 amid over international conflicts, with chapters at institutions like and the organizing encampments and lawsuits alleging speech suppression, tactics mirroring disruptions but incurring charges of extremism for alliances with groups endorsing violence or antisemitic rhetoric.

Regulatory and occupational safety

Safety data sheet

A Safety Data Sheet (SDS) is a standardized, 16-section document that provides comprehensive information on chemical properties, hazards, safe handling, and emergency procedures, harmonized globally under the United Nations' Globally Harmonized System of Classification and Labelling of Chemicals (GHS). In the United States, the Occupational Safety and Health Administration (OSHA) mandates SDSs through its Hazard Communication Standard (HCS), revised in 2012 to align with GHS Revision 3, requiring chemical manufacturers, distributors, and importers to provide SDSs for each hazardous chemical to ensure worker access to vital safety data. This format replaced the prior Material Safety Data Sheet (MSDS), which varied in structure and content, with the SDS transition fully effective by June 1, 2015, for U.S. employers. The SDS structure includes:
  • Section 1: – Product identifier, supplier details, and recommended uses.
  • Section 2: Hazard – GHS classification, pictograms, signal words, and hazard statements.
  • Section 3: Composition/Information on Ingredients – Chemical components and concentrations.
  • Section 4: First-Aid Measures – Immediate responses to .
  • Section 5: Fire-Fighting Measures – Suitable extinguishing methods and hazards.
  • Section 6: Accidental Release Measures, cleanup, and evacuation.
  • Section 7: Handling and – Safe practices and incompatibilities.
  • Section 8: Controls/Personal Protection – Limits, , and PPE.
  • Section 9: Physical and Chemical Properties – Appearance, , flammability, etc.
  • Section 10: Stability and Reactivity – Conditions to avoid and hazardous reactions.
  • Section 11: Toxicological Information routes, symptoms, and toxicity data.
  • Section 12: Ecological Information – Environmental effects and persistence.
  • Section 13: Disposal Considerations – Waste handling (non-mandatory in U.S.).
  • Section 14: Transport Information and shipping classifications.
  • Section 15: Regulatory Information – Applicable laws.
  • Section 16: Other Information – Revision date and references.
In the , SDS requirements evolved with Commission Regulation (EU) 2020/878, which updated Annex II to REACH, mandating the new format for all SDS issued after January 1, 2023, to enhance clarity on mixtures and hazard phrases. Recent U.S. developments include OSHA's May 2024 final rule aligning HCS with GHS Revision 7, effective July 19, 2024, which clarifies toxicological data in Section 11—such as prioritizing human data for estimates—and expands categories, requiring SDS revisions for affected chemicals with extended transition periods until July 19, 2027, for certain aerosols and desensitized explosives due to implementation challenges. GHS Revision 11, published in 2025, introduces further updates like climate hazard classifications, prompting OSHA to require SDS revisions within three months (90 days) of new significant hazard information to maintain timeliness. SDSs promote worker safety by detailing exposure risks and controls, support through ecological and disposal guidance, and ensure legal under frameworks like OSHA's HCS, reducing chemical-related illnesses via informed handling. However, practical limitations persist: supplier-provided SDSs often contain inaccuracies, such as incomplete toxicological data or misclassified hazards, with a 2024 EU enforcement check finding 35% non-compliant due to errors in exposure controls and mixture disclosures. burdens, including frequent revisions for GHS updates, impose significant costs on small businesses through authoring, training, and inventory management, exacerbated by inconsistent enforcement and over-detailed sections that can obscure critical risks amid voluminous non-mandatory content.

Chemistry

Sodium dodecyl sulfate

Sodium dodecyl sulfate (SDS), also known as sodium lauryl sulfate, is an anionic surfactant with the molecular formula C₁₂H₂₅NaO₄S and a of 288.38 g/mol. It consists of a linear dodecyl (lauryl) chain attached to a group via an linkage, rendering it amphiphilic with a hydrophobic and hydrophilic anionic head. This structure enables SDS to reduce in aqueous solutions and form micelles above its (CMC) of 8.2 mM at 25 °C. As a white to off-white, odorless solid, SDS exhibits high , exceeding 100 mg/mL at , and is insoluble in nonpolar solvents. SDS is synthesized industrially by sulfation of dodecanol (lauryl ), typically using , , or chlorosulfonic acid, followed by neutralization with to yield the sodium salt. This process, refined since the early for synthetic production, yields a product used at concentrations of 0.1–2% in formulations due to its effective foaming, emulsifying, and properties. In these roles, SDS disrupts bilayers and solubilizes hydrophobic substances by incorporating them into micelles, while also denaturing proteins through interference with non-covalent bonds such as hydrophobic interactions and hydrogen bonds. Primary applications include household and industrial detergents, shampoos, toothpastes, and cleaning agents, where it facilitates grease removal and soil suspension. In settings, SDS serves as a protein solubilizer for and purification, leveraging its ability to unfold polypeptides without cleaving covalent bonds. Its surfactant efficacy stems from empirical measurements of reduction and emulsification stability in diverse media. SDS presents a profile as a mild irritant to and eyes upon direct contact, with potential for respiratory from dust ; acute oral is low, evidenced by an LD₅₀ of approximately 1288 mg/kg in rats. Handling necessitates to mitigate exposure risks, though no evidence supports significant in mammals. Environmentally, SDS is readily biodegradable under aerobic conditions, achieving degradation rates exceeding 90% via bacterial action, but unregulated discharges can induce foaming and transient oxygen depletion in waterways.

Biochemistry

SDS–polyacrylamide gel electrophoresis

SDS–polyacrylamide gel electrophoresis (SDS-PAGE) is a discontinuous method for separating proteins primarily by . In this technique, proteins are denatured and coated with (SDS), an anionic that linearizes polypeptide chains and confers a uniform negative proportional to their length, masking intrinsic charge variations. Under an applied , SDS-protein complexes migrate through a porous gel matrix toward the , with smaller proteins traveling farther due to less resistance from the gel pores; separation efficiency arises from the sieving effect of the gel, where mobility correlates inversely with the logarithm of molecular weight. The method was introduced by Ulrich K. Laemmli in 1970 during studies on bacteriophage T4 assembly, revolutionizing protein analysis by enabling high-resolution fractionation of complex mixtures. The standard procedure begins with sample preparation: proteins are mixed with a loading containing SDS (typically 2-4% w/v), a like β-mercaptoethanol or to break bonds, and for density, then heated to 95–100°C for 5–10 minutes to ensure denaturation. are cast as discontinuous systems with a stacking gel (4–5% , 6.8) atop a resolving gel (8–15% gradient or uniform, 8.8), exploiting differences in and to concentrate samples into tight bands via the Kohlrausch regulating . is conducted in a such as Tris-glycine-SDS at 100–200 V for 1–2 hours, after which are stained (e.g., with 0.1% R-250 for 1 hour, destained in acetic acid-methanol-water) or processed for silver staining to detect bands at nanogram levels; protein sizes are determined by plotting relative (Rf = distance migrated by protein / distance by dye front) against log(molecular weight) of prestained or coomassie-stained markers. SDS-PAGE excels in resolving proteins from 10 to 200 with band sharpness sufficient for distinguishing isoforms differing by a few kilodaltons, supports quantitative densitometric via software like , and underpins downstream applications including purity verification in recombinant protein production, Western blotting for specific detection, and two-dimensional in workflows. Its empirical validity stems from the linear SDS binding (approximately 1.4 g SDS per g protein), yielding consistent charge-to-mass ratios that decouple separation from native properties, as validated in thousands of studies since 1970. Limitations include denaturation precluding native fold or activity assessment, reduced resolution for proteins below 10 or above 200 (addressable via low- or high-percentage gels), and challenges with highly glycosylated or membrane proteins requiring or alternative detergents for solubilization. Variants like tricine-SDS-PAGE improve small peptide separation, while non-denaturing PAGE omits SDS for charge- or shape-based , but standard SDS-PAGE remains a staple for its reproducibility and cost-effectiveness.

Medicine

Shwachman–Diamond syndrome

(SDS) is a autosomal recessive primarily characterized by leading to and , bone marrow dysfunction manifesting as and , skeletal dysplasia such as metaphyseal dysostosis, and an elevated risk of developing (MDS) or (AML). The condition was first systematically described in 1964 by Shwachman, Diamond, and colleagues in a cohort of children initially evaluated for cystic fibrosis-like symptoms. Incidence estimates place SDS at approximately 1 in 75,000 live births, with affecting 80–100% of patients and often presenting in infancy. The primary genetic etiology involves biallelic in the SBDS gene on chromosome 7q11, accounting for about 90% of cases; these disrupt by impairing the final maturation step of the 60S ribosomal subunit, leading to cellular stress, pathway activation, and selective defects in hematopoietic and pancreatic cells. Less common causes include in genes like EFL1, DNAJC21, or SRP54, which similarly affect assembly or protein synthesis. relies on clinical triad of pancreatic insufficiency (confirmed by low fecal elastase levels <200 μg/g), persistent , and skeletal abnormalities, supplemented by biopsy showing hypocellularity or dysplastic changes, and confirmatory genetic sequencing via next-generation methods targeting SBDS and related loci. Differential considerations include or , but SDS is distinguished by its pancreatic involvement and specific genetic profile. Management is supportive and multidisciplinary, focusing on pancreatic enzyme replacement therapy (PERT) with lipase dosing titrated to 2,000–4,000 units/kg/meal to address and promote growth, alongside fat-soluble vitamin supplementation. Hematologic complications are managed with (G-CSF) for severe or recurrent to reduce risk, though its use requires caution due to potential leukemogenic effects; transfusions support or , while regular monitoring via complete blood counts every 3–6 months and assessments screens for clonal evolution. offers curative potential for severe failure or MDS/AML but carries high risks in SDS patients due to underlying . Prognosis remains variable, with mean survival around 35 years improved by early , though hematologic malignancies drive most mortality, with cumulative AML risk reaching 5% by age 25 and up to 28% longer-term; survival post-leukemia is poor at approximately 11% at 3 years.30206-6/abstract) No curative exists, and challenges include recurrent infections, anemia-related morbidity, and quality-of-life impairments from lifelong enzyme dependence and surveillance. In June 2025, the Shwachman-Diamond Syndrome Alliance hosted an FDA-accepted externally led patient-focused meeting to prioritize unmet needs, such as ribosome-targeted therapies, informing future designs based on patient-reported burdens like and nutritional deficits.

Computing and technology

Software-defined storage

Software-defined storage (SDS) refers to a architecture that decouples storage software and management functions from the underlying physical hardware, enabling abstraction of resources through policy-based provisioning and . This approach emerged prominently in the early , with formal proposals around as part of broader initiatives, allowing organizations to manage independently of proprietary hardware vendors. By virtualizing pools, SDS supports automated and services such as deduplication, , and tiering, applied uniformly across heterogeneous environments without reliance on hardware-specific silos. In contrast to traditional storage area networks (SAN) or network-attached storage (NAS), which often depend on specialized, vendor-locked hardware for performance and management, SDS leverages commodity servers and drives to deliver equivalent or enhanced functionality via software layers. Core architectural principles include a software abstraction layer that pools resources, enforces policies for data placement and protection, and integrates with orchestration tools for seamless provisioning. This enables horizontal scalability by adding nodes without rearchitecting, reducing the silos inherent in SAN/NAS setups that limit flexibility and increase operational complexity. Adoption of SDS has been driven by the expansion of and workloads, which demand elastic, cost-efficient storage that can handle volumes exceeding petabytes. Key implementations include (HCI) systems, where SDS integrates with compute virtualization; for instance, VMware's vSAN aggregates local disks into shared datastores across clusters. Open-source platforms like those in ecosystems further enable SDS in cloud-native deployments, supporting multi-tenant environments. SDS offers benefits such as reduced capital expenditures through commodity hardware utilization—potentially lowering costs by 50% compared to traditional arrays—and enhanced flexibility for hybrid cloud migrations. However, implementations face criticisms including increased management complexity due to distributed architectures, absence of universal standards leading to interoperability issues, and potential performance overhead from software processing versus dedicated hardware accelerators. Vendor lock-in risks persist in proprietary SDS solutions, though open standards mitigate this in some cases. As of 2025, trends include AI-driven predictive analytics for capacity forecasting and failure mitigation, alongside deeper hybrid cloud integrations to balance on-premises control with public cloud economics. Market projections indicate SDS growth to over $200 billion by 2030, fueled by these advancements.

Other uses

Seven deadly sins

The abbreviation SDS informally denotes the , a set of vices central to Christian moral theology: , (or avarice), , , , wrath (or ), and . These are viewed as capital vices that engender other sins, serving as a framework for spiritual introspection rather than a direct biblical enumeration. The concept traces to the fourth-century ascetic , who outlined eight "evil thoughts" afflicting monks—, , avarice, sadness, acedia (), , vainglory, and —drawn from observations of human temptations in monastic life. In the late sixth century, refined this into seven sins by merging sadness with acedia (as ) and vainglory with , emphasizing their role as root causes of moral decay in his in Job. Though not canonically listed in Scripture, the sins draw partial inspiration from passages like Proverbs 6:16–19, which enumerates seven detestable acts (haughty eyes, lying tongue, hands shedding innocent blood, heart devising wicked schemes, feet rushing to evil, false witness, and sowing discord), and :19–21, cataloging fleshly works including , , enmity, strife, , , selfishness, dissension, and . The gained traction in medieval for promoting , countering by positing universal human flaws amenable to discipline through confession and penance. Culturally, the sins profoundly influenced Western art, , and ; Dante Alighieri's (c. 1320) structures Hell's circles around gradations of these vices, with punishments tailored to their nature, such as gluttons wallowing in filth under eternal rain. Visual depictions proliferated in works by artists like , embedding the motif in moral allegory. Theologically, they represent disordered desires inverting the seven virtues (, , , , temperance, , ); psychologically, modern interpreters recast them as adaptive flaws gone awry, like fostering achievement but risking . Their endurance stems from empirical resonance with observed causal chains in , where unchecked vices precipitate broader ethical failures, as evidenced in historical analyses of moral philosophy. Critics argue the schema oversimplifies sin's complexity, reducing multifaceted behaviors to seven categories and potentially fostering guilt without nuance, as noted in ethical critiques of rigid categorizations. Cultural variations exist; identifies seven major sins—associating partners with God (shirk), , unjust killing, (), consuming orphans' property, battlefield flight, and slandering chaste women—prioritizing violations of divine unity and over internal vices. Despite such limitations, the Christian formulation has arguably advanced in by highlighting causal roots of , sustaining relevance amid secular . In contemporary , SDS appears detached from in and pop , symbolizing archetypal flaws in narratives like The Seven Deadly Sins anime or video games framing sins as antagonists or player temptations, often prioritizing entertainment over moral inquiry. This usage underscores the concept's adaptability but dilutes its original intent as a tool for cultivation.

Miscellaneous organizations and terms

SDS Capital Group operates the SDS Impact Debt platform, launched on March 19, 2025, as a financing vehicle for U.S. preservation and development, offering below-market permanent and construction loans to projects serving households at or below 60% of area , with a target of over $1 billion in financing within 18 months. Shooter Detection Systems (SDS) manufactures indoor and outdoor gunshot detection technology using acoustic sensors, infrared detection, and algorithms, integrated into security systems for rapid alert in educational, commercial, and government facilities; its SDS Perimeter outdoor system achieved general availability in September 2025 after beta testing demonstrated improved response times for perimeter threats. The Shwachman-Diamond Syndrome Alliance (SDS Alliance), a 501(c)(3) nonprofit founded to support affected families, funds research, disseminates clinical resources, and advocates for improved diagnostics and treatments for the syndrome, distinct from broader medical descriptions. In industrial , SDS designates Honeywell's Smart Distributed System , a CAN-based bus for connecting up to 64 sensor and actuator nodes over four-wire cabling, supporting baud rates up to 1 Mbps for real-time control in environments. Within and technical manuals, SDS refers to the System Description Section, which outlines functional overviews, components, and operational principles of equipment or subsystems to aid and . These usages represent niche applications, lacking the widespread recognition of SDS in , , or domains.

References

  1. [1]
    Students for a Democratic Society - Free Speech Center
    Aug 10, 2023 · SDS was a radical youth group formed in 1959, aiming for political change and a participatory democracy, and later became anti-war.Missing: dissolution | Show results with:dissolution
  2. [2]
    Students for a Democratic Society (SDS) - InfluenceWatch
    The Vietnam War remained a central agenda item until SDS effectively dissolved in the summer of 1969. In 1965 the antiwar activism led to the final break ...
  3. [3]
    Port Huron Statement, 1962 - Hanover College History Department
    {27} As students for a democratic society, we are committed to stimulating this kind of social movement, this kind of vision and program in campus and community ...
  4. [4]
    The Port Huron Statement - Teaching American History
    In June 1962, a group of mostly white, middle-class college students met in Port Huron, Michigan, to draft a manifesto for the Students for a Democratic Society ...
  5. [5]
    The Port Huron Statement (1962) | The American Yawp Reader
    The Port Huron Statement was a 1962 manifesto by the Students for a Democratic Society (SDS), written primarily by student activist Tom Hayden.
  6. [6]
    The New Left - Digital History
    In addition to its antiwar activities, members of SDS also tried to organize a democratic "interracial movement of the poor" in Northern city neighborhoods.Missing: controversies | Show results with:controversies
  7. [7]
    STUDENTS FOR A DEMOCRATIC SOCIETY
    ... radical college students attempting to build a new, broad-based political left. ... The national SDS disintegrated into feuding factions in 1969-70, and by ...Missing: controversies | Show results with:controversies
  8. [8]
    [PDF] Students for a Democratic Society, 1962-1969
    A vivid contrast to SDS extremism is shown by the many examples of student groups which have peacefully sought the correction of alleged wrongs in society and ...Missing: controversies | Show results with:controversies
  9. [9]
    What was the protest group Students for a Democratic Society? 5 ...
    May 2, 2017 · Were the Weathermen (the militant radical faction of SDS) to blame? Poster from the 1969 Days of Rage demonstrations, organized by the ...Missing: controversies | Show results with:controversies
  10. [10]
    What Was the Protest Group Students for a Democratic Society ...
    May 4, 2017 · Were the Weathermen (the militant radical faction of SDS) to blame? Under the pressure of the Vietnam War and black militancy in the wake of ...Missing: controversies | Show results with:controversies<|control11|><|separator|>
  11. [11]
    Students for a Democratic Society (SDS) - Britannica
    SDS organized a national march on Washington, D.C., in April 1965, and, from about that period, SDS grew increasingly militant, especially about issues relating ...
  12. [12]
    Student League for Industrial Democracy Records
    Aug 20, 2023 · SLID revived in 1946 changing its name to Students for a Democratic Society in 1959. It was expelled from the LID in 1965 and gained ...
  13. [13]
    Port Huron Statement of the Students for a Democratic Society, 1962
    In summary: a more reformed, more human capitalism, functioning at three-fourths capacity while one-third of America and two-thirds of the world goes needy ...
  14. [14]
    The rise and fall of SDS - International Socialist Review
    SDS reached a peak of 100,000 members; and then it collapsed almost as quickly as it had risen. At its national convention in 1969, SDS split into two rival ...
  15. [15]
    April 17, 1965: Largest Anti-War Protest - Zinn Education Project
    SDS March on Washington to end the war in Vietnam, April 17, 1965. Social ... 500,000 people demonstrated against the Vietnam War in Washington, D.C..
  16. [16]
    The Protests : The First Day - April 23, 1968
    This SDS announcement of the April 23 Sun Dial Rally focuses on the fate of the "IDA Six", the right to indoor demonstrations and the right to free speech.
  17. [17]
    How Weatherman confused violence with militancy and triggered ...
    Oct 26, 2017 · At the SDS convention in June 1969, the organization burst apart. Control was seized by a group called Weatherman, which eventually went ...Missing: splintering | Show results with:splintering
  18. [18]
    War protesters set off bomb in U.S. Capitol building | March 1, 1971
    A group calling itself the Weather Underground claimed credit for the bombing ... 1970, when the house in which they were constructing the bombs exploded.
  19. [19]
    Weather Underground Bombings - FBI
    In the days following the explosion, police found 57 sticks of dynamite, four completed bombs, detonators, timing devices, and other bomb-making equipment.
  20. [20]
    The Return of Students for a Democratic Society - Columbia Sundial
    Mar 25, 2025 · The revived campus group plans to disrupt “Zionist events” and target the University's “pressure points.”
  21. [21]
  22. [22]
    Hazard Communication Standard: Safety Data Sheets - OSHA
    Sections 9 through 11 and 16 contain other technical and scientific information, such as physical and chemical properties, stability and reactivity information, ...
  23. [23]
  24. [24]
    From MSDS to SDS - DuraLabel Resources
    Jun 23, 2025 · From MSDS to SDS ... OSHA's HazCom 2012 rules require companies to have a Safety Data Sheet (SDS) for every hazardous chemical in the workplace.
  25. [25]
    The Sixteen (16) Sections of the Safety Data Sheet (SDS)
    May 16, 2018 · The Sixteen (16) Sections of the Safety Data Sheet (SDS) · Section 1—Identification: · Section 2—Hazard(s) identification: · Section 3—Composition/ ...
  26. [26]
    REGULATION (EU) 2020/878 Update) - ERA Environmental
    Mar 13, 2023 · All SDS generated after 31 December 2022 must be formatted according to Regulation (EU) 2020/878; remember to adopt this new format as soon as ...
  27. [27]
  28. [28]
  29. [29]
    Resubmitting revised SDSs based on OSHA's new Hazard ... - EPA
    Apr 14, 2025 · OSHA regulations require an SDS to be revised within three months after a chemical manufacturer or employer becomes aware of significant new ...
  30. [30]
    About the GHS - UNECE
    Following the 2-year cycle of work of the GHS Sub-Committee of Experts, a new revised edition of the GHS (GHS Rev.11) will be published in 2025.
  31. [31]
    The Purpose and Importance Of Safety Data Sheets (SDS) - Stericycle
    A Safety Data Sheet communicates comprehensive information about a chemical, including its properties; physical, health and environmental hazards.
  32. [32]
    35% of inspected Safety Data Sheets are non-compliant - Chementors
    Dec 17, 2024 · A recent EU-wide initiative by ECHA's Enforcement Forum revealed that 35% of inspected safety data sheets (SDS) failed to meet compliance standards.Missing: criticisms | Show results with:criticisms
  33. [33]
    What are the most common errors found on Safety Data Sheets?
    Dec 23, 2024 · Among the most common mistakes are incomplete or missing information, incorrect hazard classification, inaccurate exposure controls, improper ...Missing: costs | Show results with:costs
  34. [34]
    OSHA Updates Hazard Communication Standard
    Jun 5, 2024 · Under the 2012 HCS, SDSs were standardized, requiring each SDS to address a single chemical. The new rule returns some flexibility to ...
  35. [35]
    A Novel Hydrate Form of Sodium Dodecyl Sulfate and Its ...
    Jun 8, 2021 · In the process, SDS was synthesized by sulfonation of dodecanol with H2SO4 and subsequent saponification with NaOH (Scheme 1). (44) According to ...
  36. [36]
    Reproducible Crystallization of Sodium Dodecyl Sulfate·1/8 Hydrate ...
    Jan 6, 2020 · SDS is prepared by first reacting dodecyl alcohol (dodecanol) with concentrated sulfuric acid (or with sulfur trioxide gas, oleum, or ...<|separator|>
  37. [37]
    Fate and effects of the surfactant sodium dodecyl sulfate - PubMed
    Sodium dodecyl sulfate is the most widely used of the anionic alkyl sulfate surfactants. Its surface-active properties make it important in hundreds of ...
  38. [38]
    Cleavage of Structural Proteins during the Assembly of the ... - Nature
    Aug 15, 1970 · Cleavage of Structural Proteins during the Assembly of the Head of Bacteriophage T4. U. K. LAEMMLI. Nature volume 227, pages 680–685 (1970)Cite ...Missing: original | Show results with:original
  39. [39]
    Native SDS-PAGE: High Resolution Electrophoretic Separation of ...
    Sodium dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) is commonly used to obtain high resolution separation of complex mixtures of proteins.
  40. [40]
    Ulrich Laemmli's Development of SDS Polyacrylamide Gel ...
    This technique was developed in 1970 by Ulrich K. Laemmli when he was a postdoctoral fellow with Aaron Klug in the British Medical Research Council's Laboratory ...
  41. [41]
    Protein molecular weight determination by sodium dodecyl sulfate ...
    Oct 31, 2023 · Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) is a widely used analytical technique for the separation and characteri1.
  42. [42]
    Speeding up SDS–PAGE: Theory and experiment - Koshkina - 2023
    Apr 19, 2023 · In order to accelerate Sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS–PAGE), here we propose an optimized version of the technique.
  43. [43]
    Residual protein analysis by SDS–PAGE in clinically manufactured ...
    Apr 30, 2024 · Despite being a semiquantitative method, SDS–PAGE has several benefits over other methods for protein analysis, such as simplicity, convenience ...
  44. [44]
    SDS Electrophoresis on Gradient Polyacrylamide Gels as a ... - NIH
    Apr 23, 2023 · Our aim was to characterize sodium dodecyl sulphate–polyacrylamide gel electrophoresis (SDS-PAGE) using commercially available 4–20% gradient ...
  45. [45]
    Shwachman-Diamond Syndrome - GeneReviews® - NCBI Bookshelf
    Jul 17, 2008 · Shwachman-Diamond syndrome (SDS) is characterized by exocrine pancreatic dysfunction with malabsorption, malnutrition, and growth failure.Clinical Characteristics · Differential Diagnosis · Management · Genetic Counseling
  46. [46]
    Shwachman-Diamond Syndrome - StatPearls - NCBI Bookshelf - NIH
    It is a rare disorder with a reported incidence of 1 in 75,000 individuals. Patients generally present in infancy. Life expectancy into the third and fourth ...
  47. [47]
    Shwachman-Diamond Syndrome - Medscape Reference
    Aug 12, 2025 · In 90% of patients with Shwachman-Diamond syndrome, mutations have been found in the SBDS gene located on chromosome 7q11. The most frequent ...Background · Pathophysiology · Etiology · Epidemiology
  48. [48]
    Shwachman-Diamond syndromes: clinical, genetic, and biochemical ...
    May 25, 2023 · Shwachman-Diamond syndrome (SDS) is a rare inherited bone marrow failure syndrome (IBMFS), which occurs in 1/75,000 live births. The syndrome is ...
  49. [49]
    Molecular basis of the human ribosomopathy Shwachman-Diamond ...
    The SBDS protein that is deficient in the inherited leukaemia predisposition disorder Shwachman-Diamond syndrome couples the final step in cytoplasmic 60S ...
  50. [50]
    Shwachman-Diamond syndrome - Orphanet
    Shwachman-Diamond syndrome ; Prevalence: 1-9 / 1 000 000 ; Inheritance: Autosomal recessive ; Age of onset: Antenatal, Childhood, Infancy, Neonatal.
  51. [51]
    Shwachman-Diamond Syndrome Treatment & Management
    Aug 12, 2025 · Granulocyte colony-stimulating factor (G-CSF) should be considered in patients with neutropenia, but there is a risk of malignant transformation ...Missing: replacement | Show results with:replacement
  52. [52]
    Shwachman-Diamond Syndrome (SDS) - Boston Children's Hospital
    Shwachman-Diamond syndrome (SDS) is a rare, inherited bone marrow failure, characterized by a low number of white blood cells, poor growth due to difficulty ...Missing: elastase | Show results with:elastase
  53. [53]
    Myelodysplastic syndrome and acute myeloid leukemia in patients ...
    Mar 22, 2021 · Prognosis is poor for Shwachman Diamond syndrome patients with leukemia due to both therapy-resistant disease and treatment-related toxicities.
  54. [54]
    Hematologic complications with age in Shwachman-Diamond ... - NIH
    Hematologic complications were the major cause of mortality (17/20 deaths; 85%). These data inform surveillance of hematologic complications in SDS.
  55. [55]
    EL-PFDD for Shwachman-Diamond Syndome | SDS Alliance
    Following the EL-PFDD Meeting on June 4th, 2025, we will compile a report in accordance with FDA's guidance. It will be available to download for free, here. In ...
  56. [56]
    EL-PFDD Meeting Planned 6/4/2025 - SDS Alliance
    Jan 7, 2025 · An Externally-Led Patient Focused Drug Development Meeting for Shwachman-Diamond Syndrome has been accepted by the FDA and is planned for June 4th, 2025.
  57. [57]
    What is Software Defined Storage (SDS)? - IBM
    Software-defined storage (SDS) is a data storage methodology in which a software layer is used to decouple storage resources from an underlying physical storage ...What is software-defined... · Types of software-defined...
  58. [58]
    [PDF] Software Defined Storage - SNIA
    Software Defined Storage (SDS) has been proposed (ca. 2013) as a new category of storage software products. SDS can be an element within a Software Defined ...
  59. [59]
    What is software-defined storage? - Red Hat
    Mar 8, 2018 · Software-defined storage (SDS) is a storage architecture that separates storage software from its hardware.
  60. [60]
    What Is Software-defined Storage (SDS)?
    SAN and NAS rely on physical storage volumes that need to be upgraded when they become obsolete and offer limited scalability. SDS separates the hardware's ...
  61. [61]
    What is Software-Defined Storage: The Definitive Guide | DataCore
    Software-defined storage (SDS) is a technology used in data storage management that intentionally separates the functions responsible for provisioning capacity.
  62. [62]
    Software-defined storage vs NAS/SAN: What are the options?
    May 21, 2019 · We look at the pros and cons of software-defined storage and weigh up when it's a better option than buying NAS and SAN pre-built hardware shared storage ...
  63. [63]
    Software Defined Storage Market Size & Share Report, 2030
    The global software defined storage market was USD 38.43 billion in 2023 and is projected to reach USD 201.98 billion by 2030, with a CAGR of 27.9%.
  64. [64]
    What is Hyperconverged Storage? - VMware
    Hyperconverged storage is one facet of hyperconverged infrastructure (HCI), in which storage is bundled with compute and networking in a single virtualized ...Missing: OpenStack | Show results with:OpenStack<|separator|>
  65. [65]
    Software-Defined Storage: definition, benefits, and best solutions
    SDS provides flexibility because it can run on almost any standard computer hardware, unlike traditional SAN or NAS systems requiring special equipment.<|separator|>
  66. [66]
    The Business Benefits of Software-Defined Storage - Nutanix
    SDS provides flexibility, scalability, and cost savings. It allows for efficient data management, quick response times, and freedom from proprietary hardware.Flexibility In Data... · Cost Savings Provide More... · Pros That Outweigh The Cons<|separator|>
  67. [67]
    Explore software-defined storage pros and cons - TechTarget
    Mar 13, 2025 · SDS pros include flexibility, scalability, and lower costs. Cons include lack of standards, hardware limitations, and complex management.
  68. [68]
    Software-Defined Storage: Your Hidden Superpower for AI, Data ...
    Aug 15, 2025 · With SDS as the foundation, storage administrators and cloud architects become drivers of innovation rather than managers of constraints. As ...
  69. [69]
    Is your organization's infrastructure ready for the new hybrid cloud?
    Jun 30, 2025 · Rising cloud costs, data sovereignty, and modernization needs may be hindering AI's potential. These five insights can help leaders rethink hybrid cloud ...
  70. [70]
    How the Seven Deadly Sins Began as 'Eight Evil Thoughts' | HISTORY
    Mar 25, 2021 · A Christian monk named Evagrius Ponticus wrote down what's known as the “eight evil thoughts”: gluttony, lust, avarice, anger, sloth, sadness, vainglory and ...
  71. [71]
    The Seven Deadly Sins | Catholic Answers Magazine
    There are sins more serious than others, andrecognizing the roots of serious sin helps us grow in holiness. Click here to read about them.
  72. [72]
    Where Did the 7 Deadly Sins Come From? - Psychology Today
    Feb 16, 2020 · The origins of the seven deadly sins are nebulous and likely trace back to before Hellenistic Greece. Furthermore, some interesting research has been done on ...
  73. [73]
    What are the Seven Deadly Sins? Bible List and Meaning
    Discover the Bible meaning of the seven deadly sins (pride, envy, wrath, gluttony, lust, sloth, and greed), and understand why they are considered deadly.Sin Meaning in the Bible · Deadly vs. Capital Sins · Bible Lists of Sins
  74. [74]
    What Are the “Seven Deadly Sins”—Are They in the Bible? - JW.ORG
    Where did a list of 7 deadly sins come from? Identify 15 Bible examples of serious sin. Trace the origin of so-called cardinal or capital sins.
  75. [75]
    Understanding the 7 Deadly Sins: Origins, Impact, & the Path to Virtue
    Sep 30, 2017 · The 7 Deadly Sins (Pride, Envy, Wrath, Sloth, Greed, Lust, and Gluttony) have shaped moral thought for centuries. From their early Christian ...
  76. [76]
    A brief art history of the seven deadly sins - Art UK
    Oct 30, 2020 · The story of Francesca da Rimini from Dante's epic poem 'Inferno', within the Divine Comedy (1320), was captured by numerous artists. In ...Missing: cultural media
  77. [77]
    What is wrong with the 7 deadly sins? - Quora
    Jul 4, 2022 · Avoid sin and follow these rules and you are good. Get it? This is a morally toxic idea. An oversimplification that causes profound harm. It ...Why do people hate the Seven Deadly Sins anime? It's my ... - QuoraWhy are the seven deadly sins bad? - QuoraMore results from www.quora.com
  78. [78]
    7 Major Sins in Islam: What Are They? - Islam Question & Answer
    Nov 15, 2014 · 1. Shirk · 2. Witchcraft · 3. Killing · 4. Consuming riba · 5. Consuming orphans' wealth · 6. Fleeing from the battlefield · 7. Slandering chaste, ...Hadith about major sins in Islam · major sins in Islam · Witchcraft · KillingMissing: equivalents | Show results with:equivalents
  79. [79]
    The Seven Deadly Sins In Gaming - TheGamer
    Oct 9, 2024 · The Seven Deadly Sins: Pride, Greed, Wrath, Envy, Lust, Gluttony, Sloth. We have all heard these names at least once.
  80. [80]
    Seven Deadly Sins in video games - Soundsphere magazine
    Dec 14, 2020 · Many games force the player to commit these cardinal sins. Some games are entirely directed to show one or multiple of these sins.
  81. [81]
    A LOOK AT 'THE SEVEN DEADLY SINS'
    PRIDE, ANGER, SLOTH, lust, gluttony, greed, and envy—what have come to be known as "the seven deadly sins"—serve as a moral compass to millions.<|separator|>
  82. [82]
    SDS Capital Group Announces New Platform: SDS Impact Debt
    Mar 19, 2025 · This new capital platform provides below-market permanent and construction financing for the preservation and development of affordable housing ...
  83. [83]
    SDS Capital Launches $1B Affordable Housing Fund
    Mar 20, 2025 · The capital platform expects to finance more than $1 billion of new units over the next 18 months by providing below-market permanent and construction ...
  84. [84]
    Shooter Detection Systems - The Gunshot Detection Experts
    Shooter Detection Systems develops gunshot detection solutions that far exceed life safety standards for quality and performance, with customers in Fortune ...SDS Indoor Gunshot DetectionData SheetsRead our storyIntegration PartnersSDS Powered By Alarm.com
  85. [85]
    Shooter Detection Systems to Unveil Real-World Results and ...
    Sep 8, 2025 · After a successful beta program, SDS announces general availability of SDS Perimeter Outdoor Gunshot Detection System, showcases shot ...
  86. [86]
    Shwachman-Diamond Syndrome Alliance - SDS Alliance Foundation
    The Shwachman-Diamond Syndrome Alliance (SDS Alliance) is a US-based 501(c)(3) nonprofit organization serving the global SDS community to improve and save the ...Meet the TeamSigns and Symptoms of SDS
  87. [87]
    SDS Protocol from Honeywell - Kvaser
    The Smart Distributed System is a bus system for intelligent sensors and actuators that streamlines the system installation process and empowers your inputs ...
  88. [88]
    SDS - Military and Government - Acronym Finder
    What does SDS stand for? ; SDS, State Department of Statistics (various organizations) ; SDS, Sustainable Development Strategy ; SDS, Strategic Defense System.