Boron-Bearing Kornerupine from Fiskenaesset, West Greenland: A Reexamination of Specimens from the Type Locality

In 1884, Lorenzen proposed the formula MgAI2SiO6 for his new mineral kornerupine from Fiskenæsset and did not suspect it to contain boron. Lacroix and de Gramont (1919) reported boron in Fiskenæsset kornerupine, while Herd (1973) found none. New analyses (ion microprobe mass analyser and spectrophotometric) of kornerupine in three specimens from the type locality, including the specimens analysed by Lorenzen and Herd, indicate the presence of boron in all three, in amounts ranging from 0.50 to 1.44 wt.% B203, e.g. (Li0.04 Na0.01 Ca0.01) (Mg3.49 Mn0.01 Fe0.17 Ti0.01 Al5.64)Σ9.30 (Si3.67 Al1.02 B0.31)Σ5 O21 (OH0.99 F0.01) for Lorenzen's specimen. Textures and chemical compositions suggest that kornerupine crystallized in equilibrium in the following assemblages, all with anorthite (An 92-95) and phlogopite (XFe = atomic Fe/(Fe + Mg) = 0.028-0.035): (1) kornerupine (0.045)-gedrite (0.067); (2) kornerupine (0.038-0.050)-sapphirine (0.032-0.035); and (3) kornerupine (0.050)-hornblende. Fluorine contents of kornerupine range from 0.01 to 0.06%, of phlogopite, from 0.09 to 0.10%. In the first assemblage, sapphirine (0.040) and corundum are enclosed in radiating bundles of kornerupine; additionally sapphirine, corundum, and/or gedrite occur with chlorite and pinite (cordierite?) as breakdown products of kornerupine. Kornerupine may have formed by reactions such as: gedrite + sapphirine + corundum + B203 (in solution) + H20 = kornerupine + anorthite + Na-phlogopite under conditions of the granulite facies. Boron for kornerupine formation was most likely remobilized by hydrous fluids from metasedimentary rocks occurring along the upper contact of the Fiskenæsset gabbro-anorthosite complex with amphibolite.

Chemical characterization and quantification of the brown algal storage compound laminarin

In search of a meaningful stress indicator for Fucus vesiculosus we found that the often used quantitative determination procedures for the polysaccharide laminarin (beta-1,3-glucan) result in different kind of problems, uncertainties and limitations. This chemical long-term storage form of carbon enables perennial brown algae in seasonally fluctuating ecosystems to uncouple growth from photosynthesis. Because of this high ecological relevance a reliable and precise method for determination and quantification of laminarin is needed. Therefore, a simple, cold water extraction method coupled to a new quantitative liquid chromatography-mass spectrometrical method (LC-MS) was developed. Laminarin was determined in nine out of twelve brown algal species, and its expected typical molar mass distribution of 2000-7000 Da was confirmed. Furthermore, laminarin consisted of a complex mixture of different chemical forms, since fifteen chemical laminarin species with distinct molecular weights were measured in nine species of brown algae. Laminarin concentrations in the algal tissues ranged from 0.03 to 0.86% dry weight (DW). The direct chemical characterization and quantification of laminarin by LC-MS represents a powerful method to verify the biochemical and ecological importance of laminarin for brown algae. Single individuals of Laminaria hyperborea, L. digitata, Saccharina latissima, F. serratus, F. vesiculosus, F. spiralis, Himanthalia elongata, Cystoseira tamariscifolia, Pelvetia canaliculata, Ascophyllum nodosum, Halidrys siliquosa and Dictyota dichotoma were collected in fall (18.11.2013) during spring low tide from the shore of Finavarra, Co. Clare, west coast of Ireland (53° 09' 25'' N, 09° 06' 58'' W). After sampling, the different algae were immediately transported to the lab, lyophilized and sent to the University of Rostock. Laminarin was extracted with cold ultrapure water from the algal samples. Before extraction they were ground to < 1 mm grain size with an analytical mill (Ika MF 10 Basic). The algal material (approx. 1.5 g DW) was extracted in ultrapure water (8 mL) on a shaker (250 rpm) for 5 h. After the addition of surplus ultrapure water (4 mL) and shaking manually, 1 mL of the sample was filter centrifuged (45 µm) at 14,000 rpm (Hettich Mikro 22 R). The slightly viscous supernatant was free of suspended material and converted into a microvial (300 µL) for further analysis. The extracts were analyzed using liquid chromatography-mass spectrometry (LC-MS) analysis (LTQ Velos Pro ion trap spectrometer with Accela HPLC, Thermo Scientific). Laminarin species were separated on a KinetexTM column (2.6 µm C18, 150 x 3 mm). The mobile phase was 90 % ultrapure water and 10 % acetonitrile, run isocratically at a flow rate of 0.2 mL min-1. MS was working in ESI negative ion mode in a mass range of 100 - 4000 amu. Glucose contents were determined after extraction using high-performance liquid chromatography (HPLC). Extracted samples were analyzed in an HPLC (SmartLine, Knauer GmbH) equipped with a SUPELCOGELTM Ca column (30 x 7,8 mm without preColumn) and RI-detector (S2300 PDA S2800). Water was used as eluent at a flow rate of 0.8 mL min-1 at 75 °C. Glucose was quantified by comparison of the retention time and peak area with standard solutions using ChromGate software. Mannitol was extracted from three subsamples of 10-20 mg powdered alga material (L. hyperborea, L. digitata, S. latissima, F. serratus, F. vesiculosus, F. spiralis, H. elongata, P. canaliculata, A. nodosum, H. siliquosa) and quantified, following the HPLC method described by Karsten et al. (1991). For analyzing carbon and nitrogen contents, dried algal material was ground to powder and three subsamples of 2 mg from each alga thalli were loaded and packed into tin cartridges (6×6×12 mm). The packages were combusted at 950 °C and the absolute contents of C and N were automatically quantified in an elemental analyzer (Elementar Vario EL III, Germany) using acetanilide as standard according to Verardo et al. (1990).

Lawyer's commonplace book, 1774-1783

Contains entries on a variety of topics arranged alphabetically and compiled by several individuals. Includes an index at the end.

Notebook of James Lovell, 1757-1760

Marbled paper-covered handwritten notebook of James Lovell. The volume contains three texts written in Latin, “Praecellentissime Domine,” dated 1757, an untitled text beginning, “Cogitanti mihi et superiorum revolti…” dated 1759, and Lovell’s funeral oration for Tutor Henry Flynt titled “Oratio funebris” dated 1760. The Latin texts are followed by blank pages and the volume ends with an untitled English text about orators that begins, “Ridiculous certainly is that Practice of some...” The last page of the text includes the marginal notes: “John Winthrop Esqr. Hollisian Professor” and, “For T.H. of Carolina.” There are verses attributed to the London Magazine written on the inside front cover.

Oratio salutatoria in comitiis academicis habita Cantabrigiae Nov-Anglorum. Iulii nonarum, 1697

This hardcover modern binding contains a twenty-page manuscript copy of the salutatory address given by Elisha Cooke at the 1697 Harvard College Commencement. The text includes edits and struck-through words. A one-page copy of the first page of the oration signed by Thomas Banister and William Phips is at the end of the volume.

Letter from Oliver Wendell to John Thornton Kirkland, 1817

One letter offering Harvard President Kirkland a donation of 100 dollars to acquire a "handsome Christening Cup or Baptismal Basin" for the new College Church, which held services in University Hall.

Letter from James Winthrop to William Bentley, 1783 October 23

One octavo-sized leaf containing a one-page handwritten letter from Winthrop to Bentley referencing "business" that Winthrop entered his "written protest" of, and the upcoming ordination of Timothy Hilliard as the new minister of Cambridge, Mass.

Rule of three : manuscript, 1774

An arithmetic copybook, with accounting problems concerning commercial transactions. There is a reference to the Boston Tea Party in problem no. 68.

Account books of Thomas Cradock, 1786-1818 (inclusive)

Account books listing patients, medicines administered, and fees charged by Dr. Thomas Cradock (1752-1821), primarily in Maryland, from 1786 to 1818. In addition to recording names, Cradock occasionally noted demographic information, the patient's location, or their occupation: from 1813 to 1816, he treated Richard Gent, a free African-American man; in 1813, he attended to John Bell, who lived in the Foggy Bottom neighborhood of Washington, D.C. Cradock further noted if the patient was a slave and the name of his or her owner. He would also administer care on behalf of corporate entities, such as Powhatan Factory, which apparently refused him payment. He also sometimes included a diagnosis: in the cases of a Mr. Rowles and Mrs. Violet West, he administered unspecified medicines for gonorrhea at a cost of ten dollars. Commonly prescribed drugs included emetics, cathartics, and anodynes. Cradock also provided smallpox vaccination for his patients. He accepted both cash and payment-in-kind. Tipped into the first volume is an envelope containing a letter from the Medical and Chirurgical Faculty of Maryland to Mrs. Thomas Craddock in 1899 requesting a loan of portrait of Dr. Thomas Craddock [sic]. The three volumes also each contain an index to patient names.

Notification from William Cutler to the selectmen of Cambridge, Massachusetts, that Dr. Philip Brukowitz and wife were inhabiting his father's house in Cambridge, 1758 April 25

Single page notification addressed to the selectmen of Cambridge, Massachusetts, dated 25 April 1758, in which William Cutler writes that he took into his father’s Cambridge house as tenants Dr. George Philip Brukowitz and his wife, from Woburn, Massachusetts. After the Boston smallpox epidemic of 1721, the town of Cambridge enacted a requirement in 1723 that no resident would receive or admit any non-resident family into their homes for the space of a month without informing the town selectmen. The penalty for failing to do so was twenty shillings.

Small Pocks, 1775-1779 (inclusive)

Ledger containing accounts of smallpox inoculation by Dr. John Jeffries (1745-1819) at Rainsford Island Hospital in Boston, Massachusetts, from June to July 1775; at a West Boston smallpox hospital in July 1775; and in Halifax, Nova Scotia, between 1776 and 1779. The accounts include dates, names, ages and physical condition of patients, and details regarding the method of delivery. Among the patients he inoculated was his son, John, at Rainsford Island Hospital on 14 June 1775.

Notes: on sermons : manuscript, 1689-1692

Contains a list of ministers and the dates and topics of their sermons. The ministers are from in and around Boston.

Account books of William Aspinwall, 1776-1812 (inclusive)

Two account books containing entries noting patients visited, fees charged, and small accounts of Dr. William Aspinwall (1743-1823) in Boston and Brookline, Massachusetts, from 1776 to 1812. He includes sections for "Women's Accounts" with charges generally rendered to their husbands or other male relatives. There is also an entry charging the town of Cambridge, Massachusetts, four dollars and fifty cents for medicines and attendance to a boy who contracted smallpox.

Account book of Job Godfrey, 1787-1809 (inclusive)

Ledger kept by Dr. Job Godfrey (1742-1813) of Taunton, Massachusetts, containing records of patients, medical services rendered, and fees charged between 1791 and 1797, which were updated with payment transactions through 1809. There are also notes on Godfrey's medical practice dated from 1787, including an entry on a nine-year-old girl he dissected after her death. There are additionally credits or debits listed for household transactions.