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A St. John's cardiologist says public health restrictions put in place under the COVID-19 pandemic, while justified, may be harming cardiac patients whose procedures have been postponed indefinitely as well as heart patients who are avoiding hospitals.

Newfoundland and Labrador's already fragile economy suffered another gut-punch in April, with Statistics Canada reporting Friday that 29,000 jobs were lost in April alone.

A man is in police custody following an incident that briefly put the Burin Peninsula community of Lawn on high alert on Friday morning. 

Long-term care homes in Eastern Health's jurisdiction are allowing for people to again visit their relatives by windows, just in time for Mother's Day. 

Green Depots will begin to reopen across the province on Monday, according to the Multi-Materials Stewardship Board, though dates and hours of operation may vary between sites. 

Demand for service is not expected to recover in the coming weeks, says Marine Atlantic.

64-year-old John Neville, in agony and needing his wisdom tooth extracted, has been navigating a complex tangle of COVID-19 restrictions in an unsuccessful attempt at getting emergency dental care.

From age 17, Ana Maria prayed to serve God in Switzerland. While she waited, she became a dance instructor with no idea dance would become her ministry.

Buenos Aires, Argentina :: Miembros de la comunidad japonesa encuentran amigos en un barco de visita y escuchan el evangelio en su lengua materna.

God uses Janet to reach people through one-on-one encounters at a bookshop in a closed country.

Arrival Day brought teens, Service Team members, coaches and thunderstorms. As another incredible TeenStreet began, teens shared what they are most looking forward to in the week ahead.

How do you encapsulate everything that goes into a full week of teaching, worship music, workshops, meals and so much more? Enjoy a brief overview of TeenStreet 2019.

La tripulación de técnicos del Logos Hope sabe que el mantenimiento del barco es una forma de hacer ministerio.

Para Roberto Ramírez de Costa Rica, servir a Dios en misiones ha sido un paso de fe tras otro. Perdió su trabajo, su estabilidad financiera e incluso a su prometida, pero ganó mucho más.

Durante un viaje misionero de un mes, Eduardo aprendió a escuchar y reconocer la voz de Dios, tanto personalmente como ministrando a otros.

The vessel, formerly known as the Edmonton Queen, got skewered by its own moorings last month as the icy North Saskatchewan River began to thaw.

Three residents at a long-term care facility in Sault Ste. Marie have tested positive for COVID-19, prompting officials to declare an outbreak at Extendicare Maple View.

A new study facilitated by the Workplace Safety and Insurance Board of Ontario states miners who were forced to inhale an aluminum powder were found to have a higher risk of Parkinson’s disease.

As the province of Ontario starts to relax some COVID-19 restrictions, one Sudbury business owner says it feels great to be opening back up.

Business owners throughout northern Ontario will have the chance Friday morning to speak directly with federal Economic Development Minister Mélanie Joly.

The Porcupine Health Unit is declaring a COVID-19 outbreak at a long-term care home in Iroquois Falls.

A former miner who was forced to breathe in a fine aluminum dust before each shift says he’s not surprised a new report links that dust and a higher risk of Parkinson’s disease.

The City of Timmins says a COVID-19 outbreak remains in place at a long-term care home in the city, even after the one affected resident has now tested negative — twice.

There are now 176 confirmed cases of COVID-19 in northeastern Ontario, and seven deaths.

The following is a guest post by Martha H. Kennedy, Curator of Popular & Applied Graphic Art, Prints & Photographs Division. During Will Eisner Week, March 1-7, 2020, the Library of Congress joins art schools, libraries, universities, and museums in a global celebration of this legendary creator’s contributions to the world of comic art and […]

The following is a post by Kristi Finefield, Reference Specialist in the Prints & Photographs Division, and member of the Picture This blog team. Images have a way of opening our eyes to new aspects of a well-known story. When I think of singer Marian Anderson, an image of her performing at the Lincoln Memorial […]

The following is a guest post by Katherine Blood, Curator of Fine Prints, Prints & Photographs Division. As the Library of Congress marks its 220th year of serving the nation, the publication of a new guide tells two stories: how staff have for decades worked with art professionals to build the collections and how by […]

The following is a post by Kristi Finefield, Reference Specialist in the Prints & Photographs Division, and member of the Picture This blog team. As the Library of Congress marks its 220th year, we take the opportunity to explore one example of its efforts to sustain and celebrate the arts in its physical spaces. Above […]

Differential detergent fractionation of cells is a rapid method for extraction of cytoplasmic and nuclear proteins in preparation of an immunoprecipitation. This method can be applied for use of adherent or suspension cells and can significantly reduce nonspecific background in an immunoprecipitation by separation of cellular compartments into individual fractions. The lysis of cells by differential detergents permits the rapid extraction of proteins from the cytoplasm (digitonin), the cytoplasmic membranes, and organelles (Triton X-100), and nucleoplasm (Tween/DOC), facilitated through the use of distinct extraction buffers. Cytoplasmic and nuclear matrix proteins as well as DNA are left behind during the detergent-based extraction.

This rapid and efficient method to prepare highly purified recombinant adeno-associated viruses (rAAVs) is based on binding of negatively charged rAAV capsids to an anion-exchange resin that is pH dependent.

In this protocol, DNA fragments are separated according to size by electrophoresis through low-melting-temperature agarose, and then recovered by melting the agarose and extracting with phenol:chloroform. The protocol works best for DNA fragments ranging in size from 0.5 to 5.0 kb. Yields of DNA fragments outside this range are usually lower, but often are sufficient for many purposes.

Mice, rats, or hamsters are immunized by giving biweekly injections of a purified antigen, cultured cells, or cDNA. For mice, if a pure, soluble protein antigen is being used and is abundant, a dose of 50–100 µg in adjuvant at each immunization is a sensible general recommendation; for rats and hamsters, a dose of 100–200 µg is sufficient. Lower doses can be used for antigens with higher immunogenicity. Adjuvants (Freund's, Ribi, Hunter's TiterMax, ImmunEasy, or Alum) should be mixed with the immunizing antigen for the first two immunizations only; Complete Freund's adjuvant is only used with the first immunization. Subsequent immunizations are performed in phosphate-buffered saline (PBS) or normal saline, with or without Incomplete Freund's adjuvant. The choice of adjuvant is dependent on the subclass of immunoglobulin required. Over the course of the 6-wk immunization schedule, each animal usually receives a total of six injections (three subcutaneous and three intraperitoneal). Once a good titer has developed against the antigen of interest, regular boosts and bleeds are performed to collect the maximum amount of serum. For rats and hamsters, boosts should be spaced every 2–3 wk, and serum samples of 400–500 µL should be collected 10–12 d after each boost. For mice, boosts should be spaced every 2–3 wk, and serum samples of 200–300 µL should be collected 10–12 d after each boost.

Successful modification of the bacterial artificial chromosome (BAC) after two-step BAC engineering is confirmed in two separate polymerase chain reactions (PCRs). The first reaction (5' co-integrate PCR) uses a forward 5' co-integrate primer (a sequence located upstream of the 5' end of the A-box) and a reverse 3' primer on the vector (175PA+50AT) or within the reporter sequence or mutated region as appropriate. The second reaction (3' co-integrate PCR) uses a forward 5' primer on the recA gene (RecA1300S) and a reverse 3' co-integrate primer (a sequence located downstream from the 3' end of the B-box). Those colonies shown to be positive in PCR analysis are further tested for sensitivity to UV light. After the resolution, colonies that have lost the excised recombination vector including sacB and recA genes become UV light sensitive.

Bacterial artificial chromosome (BAC) clones are rendered electrocompetent and transformed with the recombinant shuttle vector, pLD53SCAB/AB-box. Cointegrates are selected by growth on chloramphenicol and ampicillin to ensure recombination of the shuttle vector into the BAC.

Plasmid DNA is prepared from the recombinant shuttle vector pLD53.SCAB/A-B created by cloning of the A and B homology arms for two-step bacterial artificial chromosome (BAC) engineering. To confirm that the A-box and B-box arms have been successfully incorporated into pLD53.SCAB, the pattern of enzyme digestion of the modified plasmid is compared with that of the unmodified pLD53.SCAB. Once the shuttle vector is shown to carry the proper sequences, it is ready for transfer into the BAC host.

This protocol describes the preparation of the shuttle vector before its introduction into bacterial artificial chromosome (BAC) host cells for BAC two-step engineering. The homology arm sequences, prepared previously, are introduced by ligation into the digested shuttle vector DNA to provide sites for recombination within the BAC clone. Crude lysates of individual bacterial transformants serve as templates in polymerase chain reaction (PCR) analysis to confirm the presence of the homology arms in the recombinant shuttle vector.

The 700-bp A homology arm (A-box) and the 700-bp B homology arm (B-box) are amplified by polymerase chain reaction (PCR) using purified bacterial artificial chromosome (BAC) DNA as template for two-step BAC engineering. The resulting A-box PCR product contains an AscI site at its 5' end (the 5' primer incorporates an AscI site, and the 3' primer does not incorporate any restriction sites). The B-box PCR product contains an XmaI site at its 3' end (the 5' primer does not incorporate any restriction sites, and the 3' primer incorporates an XmaI site). The amplification products are then digested with the appropriate restriction endonucleases to render them suitable for cloning into the shuttle vector.

In two-step bacterial artificial chromosome (BAC) engineering, a single plasmid is introduced into the BAC-carrying cell lines. The shuttle vector pLD53.SCAB (or pLD53.SCAEB) carries the recA gene and the R6K origin, which requires the protein to replicate. PIR2 cells, expressing , are typically used for the amplification of the vector and maintain about 15 copies/cell of the donor vector, which is relatively stable in this host.

Amid widespread sell-offs in risky asset classes, corporate bond exchange-traded funds (ETFs) traded at steep discounts to underlying asset values in March. Contributing factors were high market volatility, reduced risk-taking by dealers and investors' reaction to policy decisions. Policy interventions that improve market functioning in a given sector can have temporary yet important spillovers to other segments through portfolio rebalancing by investors.

BIS Bulletin No 7, April 2020. Past epidemics had long-lasting effects on economies through illness and the loss of lives, while Covid-19 is marked by widespread containment measures and relatively lower fatalities among young people. The short-term costs of Covid-19 will probably dwarf those of past epidemics, due to the unprecedented and synchronised global sudden stop in economic activity induced by containment measures. The current estimated impact on global GDP growth for 2020 is around -4%, with substantial downside risks if containment policies are prolonged. Output losses are larger for major economies.

BIS Bulletin No 8, April 2020. Information on local labour markets and Google searches can be used to construct a measure of the vulnerability of employment in different regions of the United States to the Covid-19 shock. Regional exposure to Covid-19 varies significantly, ranging from a low of 2% to a high of 98% of total local employment. We test for the usefulness of the Covid-19 exposure measure by showing that areas with higher exposure report more Google search queries related to the pandemic and unemployment benefits.

Recent literature has highlighted that international trade is mostly priced in a few key vehicle currencies, and is increasingly dominated by intermediate goods and global value chains (GVCs). Taking these features into account, this paper reexamines the business cycle dynamics of international trade and its relationship with monetary policy and exchange rates.

Our ongoing celebration of the Library of Congress National Book Festival continues with young adult and fantasy author Leigh Bardugo discussing "Crooked Kingdom" on the Genre Fiction stage at the 2018 Festival. This post includes prompts for writing and thinking that young readers, families and teachers can use to explore the author and the author’s work—recommended for ages 13+.

Our ongoing celebration of the Library of Congress National Book Festival continues with crime and mystery writer Karin Slaughter discussing "Broken," part of her Will Trent series, on the Fiction & Mystery stage at the 2010 Festival.

Our ongoing celebration of the Library of Congress National Book Festival continues with actor and author Neil Patrick Harris discussing "The Magic Misfits: The Minor Third." The event, part of the new year-long National Book Festival Presents series, took place in the Library’s Coolidge Auditorium. This post includes prompts for writing and thinking that young readers, families and teachers can use to explore the author and the author’s work—recommended for ages 8+.

Even celebrity chef Julia Child said that the sleek appliance made mixing 'marvelous'

A prototype deployed in San Francisco Bay imagines the underside of a floating building as an upside-down artificial reef

The graphic designer is receiving a Lifetime Achievement Award from Cooper Hewitt for her recognizable computer icons, typefaces and graphics

British product designer Lucy Hughes has invented a biodegradable plastic made from fish offcuts