\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{UmeshJagtap} \pdfinfo{ /Title (isolation-of-plant-genomic-dna.pdf) /Creator (Cheatography) /Author (UmeshJagtap) /Subject (Isolation of Plant Genomic DNA Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{800080} \definecolor{LightBackground}{HTML}{F7EFF7} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Isolation of Plant Genomic DNA Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{UmeshJagtap} via \textcolor{DarkBackground}{\uline{cheatography.com/186232/cs/39693/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}UmeshJagtap \\ \uline{cheatography.com/umeshjagtap} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 8th August, 2023.\\ Updated 8th August, 2023.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{AIM}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Isolation of plant (Onion) genomic DNA by a crude method.% Row Count 2 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{INTRODUCTION}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{A general difficulty in isolating DNA from plant cells is the presence of a cell wall, which requires degradation either physically or enzymatically. Specific plant species and tissues may have additional challenges due to starches or phenolic compounds.% Row Count 6 (+ 6) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{OBJECTIVE}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{\{\{fa-check\}\}Extract genomic DNA from onion.% Row Count 1 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{PRINCIPLE}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{All DNA isolation methods consist of three steps: \newline % Row Count 1 (+ 1) \{\{fa-check\}\}Lysis of cells. \newline % Row Count 2 (+ 1) \{\{fa-check\}\}Denaturation of histones associated with DNA. \newline % Row Count 4 (+ 2) \{\{fa-check\}\}Precipitation of DNA using an organic solvent like ethanol. \newline % Row Count 6 (+ 2) In the described method: \newline % Row Count 7 (+ 1) 1. A kitchen blender (mixer Grinder) breaks open the cell walls. \newline % Row Count 9 (+ 2) 2. Detergent degrades the phospholipid membranes around the nuclei, releasing the DNA. \newline % Row Count 11 (+ 2) 3. Detergent, combined with heating, denatures the histones associated with the DNA. \newline % Row Count 13 (+ 2) 4. Protease hydrolyses the denatured histones into peptides and amino acids. \newline % Row Count 15 (+ 2) 5. DNA is then precipitated in ice-cold ethanol, which disrupts DNA-water interactions, causing DNA to precipitate out of solution.% Row Count 18 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{REQUIREMENTS}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{\{\{fa-leaf\}\}MATERIALS \newline % Row Count 1 (+ 1) \{\{fa-square-o\}\}Onion \newline % Row Count 2 (+ 1) \{\{fa-square-o\}\}Washing-up liquid (Detergent) \newline % Row Count 3 (+ 1) \{\{fa-square-o\}\}Table salt (3 g) \newline % Row Count 4 (+ 1) \{\{fa-square-o\}\}Water (tap water is suitable) \newline % Row Count 5 (+ 1) \{\{fa-square-o\}\}Very cold ethanol or Isopropanol (10 ml) (keep in the freezer) \newline % Row Count 7 (+ 2) \{\{fa-square-o\}\}a protease enzyme, (2–3 drops) (Optional) \newline % Row Count 9 (+ 2) \{\{fa-square-o\}\}Ice \newline % Row Count 10 (+ 1) \{\{fa-square-o\}\}Cheesecloth \newline % Row Count 11 (+ 1) \{\{fa-leaf\}\}EQUIPMENT \newline % Row Count 12 (+ 1) \{\{fa-square-o\}\}Plastic funnel \newline % Row Count 13 (+ 1) \{\{fa-square-o\}\}Beakers, 2 (250 ml) \newline % Row Count 14 (+ 1) \{\{fa-square-o\}\}Test tubes, 2 \newline % Row Count 15 (+ 1) \{\{fa-square-o\}\}Plastic spoon for stirring the mixture \newline % Row Count 17 (+ 2) \{\{fa-square-o\}\}Chopping board \newline % Row Count 18 (+ 1) \{\{fa-square-o\}\}Knife for chopping onion \newline % Row Count 19 (+ 1) \{\{fa-square-o\}\}Water bath, maintained at 60°C \newline % Row Count 20 (+ 1) \{\{fa-square-o\}\}Mixer Grinder or liquidiser% Row Count 21 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{PROTOCOL}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Dissolve 3g salt in 90ml (about 3.04 oz) water with washing-up liquid.} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Add chopped onion (5mm (about 0.2 in) x 5mm) to the solution in a beaker.} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Place the beaker in a 60°C water bath for 15 minutes.} \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Cool the mixture in an ice water bath for 5 minutes, stirring frequently.} \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Blend the mixture for 5 seconds on high speed in a mixer grinder.} \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Filter the mixture into another beaker to obtain the DNA-containing filtrate.} \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Optionally, add 2–3 drops of protease to 10ml (about 0.34 oz) of onion extract in a boiling tube and mix well.} \tn % Row Count 15 (+ 3) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Carefully pour ice-cold ethanol down the side of the boiling tube.} \tn % Row Count 17 (+ 2) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Let the tube sit undisturbed for a few minutes.} \tn % Row Count 18 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{DNA will precipitate into the upper ethanol layer, appearing as white material.} \tn % Row Count 20 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{RESULT}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/umeshjagtap_1690454433_2022-10-20-15-40-42.jpg}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{OBSERVATIONS}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{The photo shows the result of mixing a part of an onion with detergent and salt, and then layering ice-cold ethanol on top of the mixture. DNA appears as the white precipitate in the alcohol layer.} \tn % Row Count 4 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}