Search Results - "Penn, R L"

Aggregation-Based Crystal Growth and Microstructure Development in Natural Iron Oxyhydroxide Biomineralization Products by BANFIELD, J. F, WELCH, S. A, HENGZHONG ZHANG, EBERT, T. T, PENN, R. L

“…Crystals are generally considered to grow by attachment of ions to inorganic surfaces or organic templates. High-resolution transmission electron microscopy of…”
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Self-reversal of magnetization in oceanic submarine basalts studied with XMCD by Carvallo, C., Sainctavit, P., Arrio, M.-A., Guyodo, Y., Penn, R. L., Forsberg, B., Rogalev, A., Wilhelm, F., Smekhova, A.

“…In oceanic basalts, self‐reversal of magnetization can be produced during extreme low‐temperature oxidation of titanomagnetite by ionic reordering, which leads…”
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Imperfect Oriented Attachment: Dislocation Generation in Defect-Free Nanocrystals by Penn, R. Lee, Banfield, Jillian F.

“…Dislocations are common defects in solids, yet all crystals begin as dislocation-free nuclei. The mechanisms by which dislocations form during early growth are…”
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Morphology development and crystal growth in nanocrystalline aggregates under hydrothermal conditions: insights from titania by Penn, R.Lee, Banfield, Jillian F

“…High-resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD) peak broadening (Scherer) analysis were used to study coarsening and…”
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Kinetic and Microscopic Studies of Reductive Transformations of Organic Contaminants on Goethite by Chun, Chan Lan, Penn, R. Lee, Arnold, William A

“…Reactions mediated by iron mineral surfaces play an important role in the fate of organic contaminants in both natural and engineered systems. As such…”
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From Nanodots to Nanorods: Oriented aggregation and magnetic evolution of nanocrystalline goethite by Guyodo, Yohan, Mostrom, Alison, Lee Penn, R., Banerjee, Subir K.

“…Goethite is a common iron oxyhydroxide and an important mineral in the biogeochemical cycle of iron at the Earth's surface. However, environmental controls on…”
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Trimethoprim-Sulfamethoxazole Prophylaxis in Granulocytopenic Patients with Acute Leukemia: Evaluation of Serum Antibiotic Levels in a Randomized, Double-Blind, Placebo-Controlled Department of Veterans Affairs Cooperative Study by Ward, T. T., Thomas, R. G., Fye, C. L., Arbeit, R., Coltman, C. A., Craig, W., Dana, B. W., Finegold, S. M., Lentino, J., Penn, R. L., Weinberg, J. B., Chow, B., Ochi, S.

“…Despite widespread use of trimethoprim-sulfamethoxazole (TMP-SMZ) for prophylaxis in neutropenic patients, questions remain regarding its efficacy, toxicity,…”
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Separation, characterization and initial reaction studies of magnetite particles from Hanford sediments by Baer, D.R., Grosz, A.E., Ilton, E.S., Krupka, K.M., Liu, J., Penn, R.L., Pepin, A.

“…Magnetic and density separation methods have been applied to composite sediment samples from the Hanford formation from sediment recovered during drilling of…”
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Isolation of Francisella tularensis from blood by PROVENZA, J. M, KLOTZ, S. A, PENN, R. L

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Interleukin-2 Enhances the Translocation of Escherichia coli from the Intestines to Other Organs by Penn, Robert L., Nguyen, Vinh Q., Specian, Robert D., Stevens, Paul, Berg, Rodney D.

“…To determine if interleukin-2 (IL-2) would inhibit gastrointestinal bacterial translocation, mice were gut-decontaminated and recolonized with Escherichia coli…”
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Pneumococcosuria in adults by NGUYEN, V. Q, PENN, R. L

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287 HABITUAL NONDISCLOSING INFECTORS OF HIV AND THEIR RISK TO PUBLIC HEALTH: A DISCUSSION OF HEALTH CARE PROVIDERS' LEGAL RESPONSIBILITIES by Mitchell, C. L., Bass, P. F., Penn, R. L.

“…BackgroundIn the context of routine medical care, health care providers (HCPs) may uncover that a known and appropriately counseled HIV-infected patient is…”
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Increased translocation of bacteria from the gastrointestinal tracts of tumor-bearing mice by Penn, R L, Maca, R D, Berg, R D

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Effects of overnight refrigeration on the microscopic evaluation of sputum by PENN, R. L, SILBERMAN, R

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The spectrum and significance of pleural disease in blastomycosis by Kinasewitz, G T, Penn, R L, George, R B

“…To determine the incidence and significance of pleural disease in blastomycosis, we reviewed the chest roentgenograms and medical records of 26 consecutive…”
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Candida krusei infectious arthritis. A rare complication of neutropenia by Nguyen, V Q, Penn, R L

“…Candida krusei infections are increasing in neutropenic patients. This is the first report of a case of C. krusei arthritis in a neutropenic leukemic patient…”
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Nosocomial invasive Saksenaea vasiformis infection by Oberle, A D, Penn, R L

“…Saksenaea vasiformis is a zygomycete fungus found in soils worldwide; however, it is rarely documented as a cause of human disease. We describe what, to our…”
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Multiple mechanisms may contribute to the adherence of Candida yeasts to living cells by KLOTZ, S. A, PENN, R. L

“…The adherence of Candida yeasts to monolayers of human intestinal epithelium was studied in order to determine the specific and nonspecific mechanisms that…”
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Activity of ceftizoxime combined with gentamicin against 100 clinical isolates of Pseudomonas aeruginosa by KING, J. W, PENN, R. L

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Effects of erythromycin in combination with penicillin, ampicillin, or gentamicin on the growth of Listeria monocytogenes by Penn, R L, Ward, T T, Steigbigel, R T

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