23 research outputs found
Integrated Key Management Block
Encrypted data on a storage device (e.g., flash memory, hard disk drives, etc.) that is stolen or accessed by an attacker can be read by the attacker by using the onboard media encryption keys (MEK) to decrypt it. This disclosure describes a component, referred to as a key management block (KMB), that can be integrated into a storage device controller. The KMB provides services for generating and encrypting MEKs. The KMB enables a cloud service provider to have both host entropy and customer entropy for customer MEKs, such that decryption of a given section of customer data requires both the customer entropy and the host entropy. The host-specific entropy resides outside the storage device, such that the theft or unauthorized access of the storage device renders decryption infeasible. The integrated KMB enhances the safeguarding of the MEKs, in turn improving the security of the encrypted data
The Lantern Vol. 61, No. 1, December 1993
• In Order to Succeed • Essay • Power of Human Self-Interest: Man vs. Car • In Setterich • Wandering Wanda • Maybe Kitchens • Saltiness • Homecoming • Perfect • Sincerely, Jen • A Midterm and a Paper • Prophet Junkie • Soundless Memo • After Ireland, Part 1https://digitalcommons.ursinus.edu/lantern/1142/thumbnail.jp
The Lantern Vol. 61, No. 2, Summer 1994
• She Was a Woman of Dignity • Retake, Scene 16 • Las Vegas Sweatshirt • Pitcher Hill • In Preparation for Wisdom (Teeth) • Moist Slacks • My Mother\u27s Purse • It Comes and Goes Everyday • The Simplicity of Marriage • The First Performance • Hunger • Pushkin\u27s Dream • Tuesday, October 19 • Poetry of Baseball • Some Things are More Important Than Others • Musician • Of What Befell Our Good Knight • Piranha • Oceans Apart • Brooklyn Cantos • Snowshower • Thankfully in Australia • Toothpaste and Tuna Fish • Living Space • Blue Monday • Afterglow • A Path to Consider • Endless Summer • Scaredy-Cathttps://digitalcommons.ursinus.edu/lantern/1144/thumbnail.jp
The Lantern Vol. 63, No. 1, Fall 1995
• The Birthday Celebration • Surprise! Surprise! • Oregold • Future of Parenthood #2 • Seeds • How I Spent My Summer Vacation • Random Scenes From 1/2 Hour at Work • Life in the Coal Mines • Driveway • Midnight in the Court of Kings • The Black Quadrilateral • People I Hate to See, But Refuse to Dismiss • Metropolized • Poetry in Motion • Dream #3 • Rhythms • Mercykilling • Untitled • Lupine Lord • At the Bottom of the Cup • House of Commons • Poetry I Can\u27t Standhttps://digitalcommons.ursinus.edu/lantern/1147/thumbnail.jp
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The regulation of monoamine oxidase: a gene expression by distinct variable number tandem repeats
The monoamine oxidase A (MAOA) uVNTR (upstream variable number tandem repeat) is one of the most often cited examples of a gene by environment interaction (GxE) in relation to behavioral traits. However, MAOA possesses a second VNTR, 500 bp upstream of the uVNTR, which is termed d- or distal VNTR. Furthermore, genomic analysis indicates that there are a minimum of two transcriptional start sites (TSSs) for MAOA, one of which encompasses the uVNTR within the 5′ untranslated region of one of the isoforms. Through expression analysis in semi-haploid HAP1 cell lines genetically engineered in order to knockout (KO) either the uVNTR, dVNTR, or both VNTRs, we assessed the effect of the two MAOA VNTRs, either alone or in combination, on gene expression directed from the different TSSs. Complementing our functional analysis, we determined the haplotype variation of these VNTRs in the general population. The expression of the two MAOA isoforms was differentially modulated by the two VNTRs located in the promoter region. The most extensively studied uVNTR, previously considered a positive regulator of the MAOA gene, did not modulate the expression of what it is considered the canonical isoform, while we found that the dVNTR positively regulated this isoform in our model. In contrast, both the uVNTR and the dVNTR were found to act as negative regulators of the second less abundant MAOA isoform. The haplotype analysis for these two VNTRs demonstrated a bias against the presence of one of the potential variants. The uVNTR and dVNTR differentially affect expression of distinct MAOA isoforms, and thus, their combined profiling offers new insights into gene-regulation, GxE interaction, and ultimately MAOA-driven behavior
Albiglutide and cardiovascular outcomes in patients with type 2 diabetes and cardiovascular disease (Harmony Outcomes): a double-blind, randomised placebo-controlled trial
Background:
Glucagon-like peptide 1 receptor agonists differ in chemical structure, duration of action, and in their effects on clinical outcomes. The cardiovascular effects of once-weekly albiglutide in type 2 diabetes are unknown. We aimed to determine the safety and efficacy of albiglutide in preventing cardiovascular death, myocardial infarction, or stroke.
Methods:
We did a double-blind, randomised, placebo-controlled trial in 610 sites across 28 countries. We randomly assigned patients aged 40 years and older with type 2 diabetes and cardiovascular disease (at a 1:1 ratio) to groups that either received a subcutaneous injection of albiglutide (30–50 mg, based on glycaemic response and tolerability) or of a matched volume of placebo once a week, in addition to their standard care. Investigators used an interactive voice or web response system to obtain treatment assignment, and patients and all study investigators were masked to their treatment allocation. We hypothesised that albiglutide would be non-inferior to placebo for the primary outcome of the first occurrence of cardiovascular death, myocardial infarction, or stroke, which was assessed in the intention-to-treat population. If non-inferiority was confirmed by an upper limit of the 95% CI for a hazard ratio of less than 1·30, closed testing for superiority was prespecified. This study is registered with ClinicalTrials.gov, number NCT02465515.
Findings:
Patients were screened between July 1, 2015, and Nov 24, 2016. 10 793 patients were screened and 9463 participants were enrolled and randomly assigned to groups: 4731 patients were assigned to receive albiglutide and 4732 patients to receive placebo. On Nov 8, 2017, it was determined that 611 primary endpoints and a median follow-up of at least 1·5 years had accrued, and participants returned for a final visit and discontinuation from study treatment; the last patient visit was on March 12, 2018. These 9463 patients, the intention-to-treat population, were evaluated for a median duration of 1·6 years and were assessed for the primary outcome. The primary composite outcome occurred in 338 (7%) of 4731 patients at an incidence rate of 4·6 events per 100 person-years in the albiglutide group and in 428 (9%) of 4732 patients at an incidence rate of 5·9 events per 100 person-years in the placebo group (hazard ratio 0·78, 95% CI 0·68–0·90), which indicated that albiglutide was superior to placebo (p<0·0001 for non-inferiority; p=0·0006 for superiority). The incidence of acute pancreatitis (ten patients in the albiglutide group and seven patients in the placebo group), pancreatic cancer (six patients in the albiglutide group and five patients in the placebo group), medullary thyroid carcinoma (zero patients in both groups), and other serious adverse events did not differ between the two groups. There were three (<1%) deaths in the placebo group that were assessed by investigators, who were masked to study drug assignment, to be treatment-related and two (<1%) deaths in the albiglutide group.
Interpretation:
In patients with type 2 diabetes and cardiovascular disease, albiglutide was superior to placebo with respect to major adverse cardiovascular events. Evidence-based glucagon-like peptide 1 receptor agonists should therefore be considered as part of a comprehensive strategy to reduce the risk of cardiovascular events in patients with type 2 diabetes.
Funding:
GlaxoSmithKline
Application of sun-synchronous, critically inclined orbits to global personal communications systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1995.Includes bibliographical references (p. 205-213).by Chris Sabol.M.S
Comparison of Orbit Propagators in the Research and Development Goddard Trajectory Determination System (R & D GTDS). Part I: Simulated Data
R&D GTDS is Draper Laboratory's research-based orbit determination testbed. This analysis tool evolved from its R&D counterpart at the Gooddard Space Flight Center. Dr. Paul Cefola, Program Manager at Draper Laboratory and Lecturer at the Massachusetts Institute of Technology, has overseen the development and expansion of this testbed (by a team of scientists at Draper Laboratory and a continuing string of graduate students at MIT) over the past twenty years (see Fonte). In its current form, R&D GTDS is capable of performing...This paper evaluates the performance of various orbit propagation theories for arti cial earth satellites in di erent orbital regimes Speci cally R& D GTDS s Cowell numerical technique DSST semianalytical technique SGP , SGP4, and Brouwer-Lyddane (analytic techniques) orbit propagators are compared for decaying circular (~200 km perigee height ), low altitude circular
(590 km perigee height ), high altitude circular (1340 km perigee height), Molniya and geosynchronous orbits. All test cases implement a one orbital period differential correction fit to simulated data derived from a Cowell truth trajectory. These fits are followed by a one orbital period predict with the DC solve-for vector. Trajectory comparisons are made with the Cowell "truth " trajectory over both the fit and predict spans . Computation time and RMS errors are
used as comparison metrics. The Unix-based version of R& D GTDS ( NPS SUN Sparc 10) is the test platform used in this analysis
Network support for network-attached storage, Hot Interconnects’1999
Storage systems represent a vital market with storage densities growing at 60%/year, resulting in 35%-50%/year decreases in the cost per byte. In recent years, the amount of storage sold almost doubled each year and is expected t