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https://read.qxmd.com/read/30901596/dual-rgd-immobilized-poly-l-lactic-acid-by-atmospheric-pressure-plasma-jet-for-bone-tissue-engineering
#1
Fu-Chen Kung, Yu-Lin Kuo, Oguzhan Gunduz, Chi-Chang Lin
Surface treatment on PLA substrates by atmospheric pressure plasma jet (APPJ) for polymerization of dual RGD-peptides were investigated. Peptide-modified surfaces have been highlighted as the most promising approach to improve the integration of implants into surrounding bones. By varying the RF power, PLA substrates treated by APPJ process have a tendency to form a hydrophobic surface. The effects on the proliferation and differentiation of MG63 cells were evaluated and osteocalcin (OCN) expression was analyzed using RT-PCR...
March 15, 2019: Colloids and Surfaces. B, Biointerfaces
https://read.qxmd.com/read/30901404/correlates-of-depression-in-u-s-military-service-members-with-a-history-of-mild-traumatic-brain-injury
#2
Jan E Kennedy, Lisa H Lu, Matthew W Reid, Felix O Leal, Douglas B Cooper
OBJECTIVES: Post-traumatic stress disorder (PTSD) and traumatic brain injury (TBI) are identified as signature injuries of the Wars in Iraq and Afghanistan. Statistics have confirmed a high incidence of PTSD among military personnel with mild TBI (mTBI) who served in these conflicts. Although receiving less attention, individuals with a history of mTBI are also at increased risk for depressive disorders. This study examines the incidence and correlates of depression in service members with a history of mTBI received an average of 4-1/2 years prior to evaluation...
March 1, 2019: Military Medicine
https://read.qxmd.com/read/30900412/relationship-of-maternal-weight-status-before-during-and-after-pregnancy-with-breast-milk-hormone-concentrations
#3
Ghazaleh Sadr Dadres, Kara M Whitaker, Jacob L Haapala, Laurie Foster, Katy D Smith, April M Teague, David R Jacobs, Elyse O Kharbanda, Patricia M McGovern, Tonya C Schoenfuss, Laura J Le, Lisa Harnack, David A Fields, Ellen W Demerath
OBJECTIVE: The aim of this study was to test associations of prepregnancy BMI, gestational weight gain, oral glucose challenge test results, and postpartum weight loss as predictors of breast milk leptin, insulin, and adiponectin concentrations and whether these relationships vary over time. METHODS: Milk was collected at 1 and 3 months from 135 exclusively breastfeeding women from the longitudinal Mothers and Infants Linked for Healthy Growth (MILk) study. Hormones were assayed in skimmed samples using ELISA...
April 2019: Obesity
https://read.qxmd.com/read/30900133/tetrahydrocurcumin-loaded-vaginal-nanomicrobicide-for-prophylaxis-of-hiv-aids-in-silico-study-formulation-development-and-in-vitro-evaluation
#4
Amit Mirani, Harish Kundaikar, Shilpa Velhal, Vainav Patel, Atmaram Bandivdekar, Mariam Degani, Vandana Patravale
A vaginal microbicide is a front-line women-dependent approach and an alternative to a condom for prevention of unprotected sexual intercourse-associated HIV. The microbicide research is still in its infancy with several products in the clinical studies being reported to have good efficacy, safe, but with poor adherence. One such molecule reported with an excellent efficacy when tested preclinically is curcumin, a natural polyphenol derived from Curcuma longa. Despite its potential HIV-1 inhibitory activity, it has intense yellow color staining properties, which would result in poor consumer compliance and adherence for vaginal application...
March 21, 2019: Drug Delivery and Translational Research
https://read.qxmd.com/read/30900008/influence-of-phendimetrazine-maintenance-on-the-reinforcing-subjective-performance-and-physiological-effects-of-intranasal-cocaine
#5
William W Stoops, Justin C Strickland, Joseph L Alcorn, Lon R Hays, Abner O Rayapati, Joshua A Lile, Craig R Rush
RATIONALE: No pharmacotherapies are approved for cocaine use disorder. Phendimetrazine, a prodrug of the monoamine-releaser phenmetrazine, attenuates the reinforcing effects of cocaine in preclinical models, has minimal abuse potential, and is safe when combined with cocaine. OBJECTIVES: This study determined the influence of phendimetrazine maintenance on the reinforcing effects of cocaine (i.e., choice to self-administer cocaine), along with the subjective, performance, and physiological effects of cocaine...
March 21, 2019: Psychopharmacology
https://read.qxmd.com/read/30898598/water-in-oil-pickering-emulsion-polymerization-of-n-isopropyl-acrylamide-using-starch-based-nanoparticles-as-emulsifier
#6
Kankan Zhai, Xiaopeng Pei, Chao Wang, Yukun Deng, Ying Tan, Yungang Bai, Baichao Zhang, Kun Xu, Pixin Wang
Inverse Pickering emulsions stabilized by naturally derived particles are of interesting during the past decade. In this study, starch-based nanoparticles were used as a particulate emulsifier to stabilize a w/o Pickering emulsion. The effects of particle concentration and oil volume fraction on the emulsion type and stability were investigated in detail. Catastrophic phase inversion from o/w to w/o emulsions occurred at a volume fraction of oil of 0.3-0.4, without altering the particle wettability. Further, a linear relation existed between the average droplet diameter and total amounts of starch-based nanoparticles...
March 18, 2019: International Journal of Biological Macromolecules
https://read.qxmd.com/read/30897726/oil-in-water-emulsions-stabilized-by-ultrasonic-degraded-polysaccharide-complex
#7
Yujie Li, Dong Xiang, Bo Wang, Xiaoyue Gong
The effects of ultrasound on the molecular weight distribution and emulsifying properties of both xanthan gum (XG) and propylene glycol alginate (PGA) were investigated. The results showed that ultrasonic treatment at different intensities decreased the apparent viscosity and narrowed the molecular weight distribution. Higher intensity increased the effectivity of the sonochemical effect. Ultrasound degradation did not change the primary structure of the PGA-XG complex, and SEM analysis showed that the morphology of the original polysaccharide differed from that of the degraded polysaccharide fractions...
March 20, 2019: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/30897348/association-of-chromosome-9p21-with-subsequent-coronary-heart-disease-events-a-genius-chd-study-of-individual-participant-data
#8
Riyaz S Patel, Amand F Schmidt, Vinicius Tragante, Raymond O McCubrey, Michael V Holmes, Laurence J Howe, Kenan Direk, Axel Åkerblom, Karin Leander, Salim S Virani, Karol A Kaminski, Jochen D Muehlschlegel, Marie-Pierre Dubé, Hooman Allayee, Peter Almgren, Maris Alver, Ekaterina V Baranova, Hassan Behlouli, Bram Boeckx, Peter S Braund, Lutz P Breitling, Graciela Delgado, Nubia E Duarte, Line Dufresne, Niclas Eriksson, Luisa Foco, Crystel M Gijsberts, Yan Gong, Jaana Hartiala, Mahyar Heydarpour, Jaroslav A Hubacek, Marcus Kleber, Daniel Kofink, Pekka Kuukasjärvi, Vei-Vei Lee, Andreas Leiherer, Petra A Lenzini, Daniel Levin, Leo-Pekka Lyytikäinen, Nicola Martinelli, Ute Mons, Christopher P Nelson, Kjell Nikus, Anna P Pilbrow, Rafal Ploski, Yan V Sun, Michael W T Tanck, W H Wilson Tang, Stella Trompet, Sander W van der Laan, Jessica Van Setten, Ragnar O Vilmundarson, Chiara Viviani Anselmi, Efthymia Vlachopoulou, Eric Boerwinkle, Carlo Briguori, John F Carlquist, Kathryn F Carruthers, Gavino Casu, John Deanfield, Panos Deloukas, Frank Dudbridge, Natalie Fitzpatrick, Bruna Gigante, Stefan James, Marja-Liisa Lokki, Paulo A Lotufo, Nicola Marziliano, Ify R Mordi, Joseph B Muhlestein, Christopher Newton-Cheh, Jan Pitha, Christoph H Saely, Ayman Samman-Tahhan, Pratik B Sandesara, Andrej Teren, Adam Timmis, Frans Van de Werf, Els Wauters, Arthur A M Wilde, Ian Ford, David J Stott, Ale Algra, Maria G Andreassi, Diego Ardissino, Benoit J Arsenault, Christie M Ballantyne, Thomas O Bergmeijer, Connie R Bezzina, Simon C Body, Peter Bogaty, Gert J de Borst, Hermann Brenner, Ralph Burkhardt, Clara Carpeggiani, Gianluigi Condorelli, Rhonda M Cooper-DeHoff, Sharon Cresci, Ulf de Faire, Robert N Doughty, Heinz Drexel, James C Engert, Keith A A Fox, Domenico Girelli, Emil Hagström, Stanley L Hazen, Claes Held, Harry Hemingway, Imo E Hoefer, G Kees Hovingh, Julie A Johnson, Pim A de Jong, J Wouter Jukema, Marcin P Kaczor, Mika Kähönen, Jiri Kettner, Marek Kiliszek, Olaf H Klungel, Bo Lagerqvist, Diether Lambrechts, Jari O Laurikka, Terho Lehtimäki, Daniel Lindholm, B K Mahmoodi, Anke H Maitland-van der Zee, Ruth McPherson, Olle Melander, Andres Metspalu, Witold Pepinski, Oliviero Olivieri, Grzegorz Opolski, Colin N Palmer, Gerard Pasterkamp, Carl J Pepine, Alexandre C Pereira, Louise Pilote, Arshed A Quyyumi, A Mark Richards, Marek Sanak, Markus Scholz, Agneta Siegbahn, Juha Sinisalo, J Gustav Smith, John A Spertus, Alexandre F R Stewart, Wojciech Szczeklik, Anna Szpakowicz, Jurriën M Ten Berg, George Thanassoulis, Joachim Thiery, Yolanda van der Graaf, Frank L J Visseren, Johannes Waltenberger, Pim Van der Harst, Jean-Claude Tardif, Naveed Sattar, Chim C Lang, Guillaume Paré, James M Brophy, Jeffrey L Anderson, Winfried März, Lars Wallentin, Vicky A Cameron, Benjamin D Horne, Nilesh J Samani, Aroon D Hingorani, Folkert W Asselbergs
BACKGROUND: Genetic variation at chromosome 9p21 is a recognized risk factor for coronary heart disease (CHD). However, its effect on disease progression and subsequent events is unclear, raising questions about its value for stratification of residual risk. METHODS: A variant at chromosome 9p21 (rs1333049) was tested for association with subsequent events during follow-up in 103,357 Europeans with established CHD at baseline from the GENIUS-CHD Consortium (73.1% male, mean age 62...
March 21, 2019: Circulation. Genomic and Precision Medicine
https://read.qxmd.com/read/30896741/outcome-after-exchange-transfusion-for-central-retinal-vein-occlusion-associated-with-extensive-capillary-and-arteriolar-nonperfusion-in-a-patient-with-hemoglobin-ss-disease
#9
Sophie Cai, Neil M Bressler, Marguerite O Linz, Adrienne W Scott
No abstract text is available yet for this article.
March 21, 2019: JAMA Ophthalmology
https://read.qxmd.com/read/30896721/identification-of-the-criegee-intermediate-reaction-network-in-ethylene-ozonolysis-impact-on-energy-conversion-strategies-and-atmospheric-chemistry
#10
Aric C Rousso, Nils Hansen, Ahren W Jasper, Yiguang Ju
The reaction network of the simplest Criegee intermediate (CI) CH2OO has been studied experimentally during the ozonolysis of ethylene. The results provide valuable information about plasma- and ozone-assisted combustion processes and atmospheric aerosol formation. A network of CI reactions was identified, which can be described best by the sequential addition of CI with ethylene, water, formic acid, and other molecules containing hydroxy, aldehyde, and hydroperoxy functional groups. Species resulting from as many as four sequential CI addition reactions were observed, and these species are highly oxygenated oligomers that are known components of secondary organic aerosols in the atmosphere...
March 21, 2019: Physical Chemistry Chemical Physics: PCCP
https://read.qxmd.com/read/30896678/chimerism-transplant-tolerance-and-beyond
#11
Franka Messner, Joanna W Etra, Jeffrey M Dodd-O, Gerald Brandacher
The present review discusses current developments in tolerance induction for solid organ transplantation with a particular emphasis on chimerism-based approaches. It explains the basic mechanisms of chimerism-based tolerance and provides an update on ongoing clinical tolerance trials. The concept of "delayed tolerance" is presented, and ongoing preclinical studies in the non-human primate setting - including current limitations and hurdles regarding this approach - are illustrated. In addition, a brief overview and update on cell-based tolerogenic clinical trials is provided...
March 21, 2019: Transplantation
https://read.qxmd.com/read/30896632/the-impact-of-marital-status-on-health-care-utilization-among-medicare-beneficiaries
#12
Kiran Raj Pandey, Fan Yang, Kathleen A Cagney, Fabrice Smieliauskas, David O Meltzer, Gregory W Ruhnke
To explain prior literature showing that married Medicare beneficiaries achieve better health outcomes at half the per person cost of single beneficiaries, we examined different patterns of healthcare utilization as a potential driver.Using the Medicare Current Beneficiary Survey (MCBS) data, we sought to understand utilization patterns in married versus currently-not-married Medicare beneficiaries. We analyzed the relationship between marital status and healthcare utilization (classified based on setting of care utilization into outpatient, inpatient, and skilled nursing facility (SNF) use) using logistic regression modeling...
March 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30896328/subsequent-event-risk-in-individuals-with-established-coronary-heart-disease-design-and-rationale-of-the-genius-chd-consortium
#13
Riyaz Patel, Vinicius Tragante, Amand F Schmidt, Raymond O McCubrey, Michael V Holmes, Laurence J Howe, Kenan Direk, Axel Åkerblom, Karin Leander, Salim S Virani, Karol A Kaminski, Jochen D Muehlschlegel, Hooman Allayee, Peter Almgren, Maris Alver, Ekaterina V Baranova, Hassan Behlouli, Bram Boeckx, Peter S Braund, Lutz P Breitling, Graciela Delgado, Nubia E Duarte, Marie-Pierre Dubé, Line Dufresne, Niclas Eriksson, Luisa Foco, Markus Scholz, Crystel M Gijsberts, Charlotte Glinge, Yan Gong, Jaana Hartiala, Mahyar Heydarpour, Jaroslav A Hubacek, Marcus Kleber, Daniel Kofink, Salma Kotti, Pekka Kuukasjärvi, Vei-Vei Lee, Andreas Leiherer, Petra A Lenzini, Daniel Levin, Leo-Pekka Lyytikäinen, Nicola Martinelli, Ute Mons, Christopher P Nelson, Kjell Nikus, Anna P Pilbrow, Rafal Ploski, Yan V Sun, Michael W T Tanck, W H Wilson Tang, Stella Trompet, Sander W van der Laan, Jessica Van Setten, Ragnar O Vilmundarson, Chiara Viviani Anselmi, Efthymia Vlachopoulou, Lawien Al Ali, Eric Boerwinkle, Carlo Briguori, John F Carlquist, Kathryn F Carruthers, Gavino Casu, John Deanfield, Panos Deloukas, Frank Dudbridge, Thomas Engström, Natalie Fitzpatrick, Kim Fox, Bruna Gigante, Stefan James, Marja-Liisa Lokki, Paulo A Lotufo, Nicola Marziliano, Ify R Mordi, Joseph B Muhlestein, Christopher Newton-Cheh, Jan Pitha, Christoph H Saely, Ayman Samman-Tahhan, Pratik B Sandesara, Andrej Teren, Adam Timmis, Frans Van de Werf, Els Wauters, Arthur A M Wilde, Ian Ford, David J Stott, Ale Algra, Maria G Andreassi, Diego Ardissino, Benoit J Arsenault, Christie M Ballantyne, Thomas O Bergmeijer, Connie R Bezzina, Simon C Body, Eric H Boersma, Peter Bogaty, Michiel Bots, Hermann Brenner, Jasper J Brugts, Ralph Burkhardt, Clara Carpeggiani, Gianluigi Condorelli, Rhonda M Cooper-DeHoff, Sharon Cresci, Nicolas Danchin, Ulf de Faire, Robert N Doughty, Heinz Drexel, James C Engert, Keith A A Fox, Domenico Girelli, Diederick E Grobbee, Emil Hagström, Stanley L Hazen, Claes Held, Harry Hemingway, Imo E Hoefer, G Kees Hovingh, Reza Jabbari, Julie A Johnson, J Wouter Jukema, Marcin P Kaczor, Mika Kähönen, Jiri Kettner, Marek Kiliszek, Olaf H Klungel, Bo Lagerqvist, Diether Lambrechts, Jari O Laurikka, Terho Lehtimäki, Daniel Lindholm, B K Mahmoodi, Anke H Maitland-van der Zee, Ruth McPherson, Olle Melander, Andres Metspalu, Anna Niemcunowicz-Janica, Oliviero Olivieri, Grzegorz Opolski, Colin N Palmer, Gerard Pasterkamp, Carl J Pepine, Alexandre C Pereira, Louise Pilote, Arshed A Quyyumi, A Mark Richards, Marek Sanak, Agneta Siegbahn, Tabassome Simon, Juha Sinisalo, J Gustav Smith, John A Spertus, Steen Stender, Alexandre F R Stewart, Wojciech Szczeklik, Anna Szpakowicz, Jean-Claude Tardif, Jurriën M Ten Berg, Jacob Tfelt-Hansen, George Thanassoulis, Joachim Thiery, Christian Torp-Pedersen, Yolanda van der Graaf, Frank L J Visseren, Johannes Waltenberger, Peter E Weeke, Pim Van der Harst, Chim C Lang, Naveed Sattar, Vicky A Cameron, Jeffrey L Anderson, James M Brophy, Guillaume Paré, Benjamin D Horne, Winfried März, Lars Wallentin, Nilesh J Samani, Aroon D Hingorani, Folkert W Asselbergs
BACKGROUND: The "GENetIcs of sUbSequent Coronary Heart Disease" (GENIUS-CHD) consortium was established to facilitate discovery and validation of genetic variants and biomarkers for risk of subsequent CHD events, in individuals with established CHD. METHODS: The consortium currently includes 57 studies from 18 countries, recruiting 185,614 participants with either acute coronary syndrome, stable CHD or a mixture of both at baseline. All studies collected biological samples and followed-up study participants prospectively for subsequent events...
March 21, 2019: Circulation. Genomic and Precision Medicine
https://read.qxmd.com/read/30895847/a-multidisciplinary-survey-to-assess-facilitators-and-barriers-to-successful-organ-donation-in-the-intensive-care-unit
#14
Simon J W Oczkowski, Pamela Durepos, John Centofanti, Erika Arsenau, Sonny Dhanani, Deborah J Cook, Maureen O Meade
INTRODUCTION: Rates of successful organ donation vary between otherwise comparable intensive care units (ICUs). The ICU staff have a unique perspective into the facilitators and barriers underlying this variation in successful deceased organ donation. RESEARCH QUESTION: What do ICU staff perceive to be the most meaningful facilitators and barriers to deceased organ donation? DESIGN: We designed and conducted a survey of all disciplines working in the ICU to ascertain the perceived facilitators and barriers to donation in an academic tertiary care hospital...
March 21, 2019: Progress in Transplantation
https://read.qxmd.com/read/30895813/trends-in-primary-proximal-interphalangeal-joint-system-and-revisions-for-osteoarthritis-of-the-hand-in-the-medicare-database
#15
Michael O Madden, Joseph R Palmer, Bijan J Ameri, Rushabh M Vakharia, Jacob Landes, Martin W Roche
BACKGROUND: Proximal interphalangeal arthroplasty (PIPA) has been indicated for patients suffering from osteoarthritis (OA) or rheumatoid arthritis of the hand. Although there is extensive literature showing the outcomes of PIPA, there is paucity in the literature regarding trends of PIPA in patients with OA of the hand. The purpose of this study was to determine annual primary utilization and revision PIPA trends within the Medicare population with the use of an administrative database...
March 21, 2019: Hand: Official Journal of the American Association for Hand Surgery
https://read.qxmd.com/read/30894185/evaluation-of-a-push-pull-system-consisting-of-transfluthrin-treated-eave-ribbons-and-odour-baited-traps-for-control-of-indoor-and-outdoor-biting-malaria-vectors
#16
Arnold S Mmbando, Elis P A Batista, Masoud Kilalangongono, Marceline F Finda, Emmanuel P Mwanga, Emmanuel W Kaindoa, Khamis Kifungo, Rukiyah M Njalambaha, Halfan S Ngowo, Alvaro E Eiras, Fredros O Okumu
BACKGROUND: Push-pull strategies have been proposed as options to complement primary malaria prevention tools, indoor residual spraying (IRS) and long-lasting insecticide-treated nets (LLINs), by targeting particularly early-night biting and outdoor-biting mosquitoes. This study evaluated different configurations of a push-pull system consisting of spatial repellents [transfluthrin-treated eave ribbons (0.25 g/m2 ai)] and odour-baited traps (CO2 -baited BG-Malaria traps), against indoor-biting and outdoor-biting malaria vectors inside large semi-field systems...
March 20, 2019: Malaria Journal
https://read.qxmd.com/read/30893235/venous-thromboembolism-and-bleeding-adverse-events-in-lower-leg-ankle-and-foot-orthopaedic-surgery-with-and-without-anticoagulants
#17
Reinout R O Heijboer, Bart Lubberts, Daniel Guss, Anne H Johnson, Daniel K Moon, Christopher W DiGiovanni
BACKGROUND: Currently, there is insufficient knowledge about the benefits of anticoagulant use for primary prevention of venous thromboembolism (VTE) and its inherent risk of bleeding adverse events in patients undergoing surgery distal to the knee. METHODS: The study included patients who had undergone an orthopaedic procedure distal to the tibial articular surface when they were 18 years of age or older. Using retrospective information from a tertiary care referral center, we compared patient demographics, clinical findings, diagnostic reports, procedures performed, and the rate of symptomatic VTE and bleeding adverse events between patients who had and those who had not received anticoagulant prophylaxis...
March 20, 2019: Journal of Bone and Joint Surgery. American Volume
https://read.qxmd.com/read/30892004/are-we-over-imaging-the-obese-patient-with-suspected-pulmonary-embolus-in-ireland
#18
M L Gargan, M O’Sullivan, K Hunter, O Buckley, W C Torreggiani
Aims To assess if there was a significant difference in the number of positive studies for pulmonary embolism between obese and non obese patients. Methods A retrospective analysis of all CTPAs performed in our institution over one year in patients aged 18-50 was performed. Data regarding the diagnosis of pulmonary embolism, the presence of airways disease, other significant chest findings, D dimer values and demographic data including a BMI surrogate was obtained. Results Two hundred and thirty CTPAs were performed in our institution over 12 months...
February 14, 2019: Irish Medical Journal
https://read.qxmd.com/read/30891333/micromachined-phase-shifted-array-type-mirau-interferometer-for-swept-source-oct-imaging-design-microfabrication-and-experimental-validation
#19
C Gorecki, J Lullin, S Perrin, S Bargiel, J Albero, O Gaiffe, J Rutkowski, J M Cote, J Krauter, W Osten, W-S Wang, M Weimer, J Froemel
OCT instruments permit fast and non-invasive 3D optical biopsies of biological tissues. However, they are bulky and expensive, making them only affordable at the hospital and thus, not sufficiently used as an early diagnostic tool. Significant reduction of system cost and size is achieved by implementation of MOEMS technologies. We propose an active array of 4x4 Mirau microinterferometers where the reference micro-mirrors are carried by a vertical comb-drive microactuator, enabling the implementation of the phase-shifting technique that improves the sensitivity and eliminates unwanted interferometric terms...
March 1, 2019: Biomedical Optics Express
https://read.qxmd.com/read/30890786/the-unexpected-surface-of-asteroid-101955-bennu
#20
D S Lauretta, D N DellaGiustina, C A Bennett, D R Golish, K J Becker, S S Balram-Knutson, O S Barnouin, T L Becker, W F Bottke, W V Boynton, H Campins, B E Clark, H C Connolly, C Y Drouet d'Aubigny, J P Dworkin, J P Emery, H L Enos, V E Hamilton, C W Hergenrother, E S Howell, M R M Izawa, H H Kaplan, M C Nolan, B Rizk, H L Roper, D J Scheeres, P H Smith, K J Walsh, C W V Wolner
NASA'S Origins, Spectral Interpretation, Resource Identification and Security-Regolith Explorer (OSIRIS-REx) spacecraft recently arrived at the near-Earth asteroid (101955) Bennu, a primitive body that represents the objects that may have brought prebiotic molecules and volatiles such as water to Earth1 . Bennu is a low-albedo B-type asteroid2 that has been linked to organic-rich hydrated carbonaceous chondrites3 . Such meteorites are altered by ejection from their parent body and contaminated by atmospheric entry and terrestrial microbes...
March 19, 2019: Nature
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